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Text File | 1990-10-26 | 142.1 KB | 5,130 lines |
- *** ld.original Thu Oct 25 22:09:56 1990
- --- /tmp/jhh/binutils/ld.c Thu Jun 21 14:52:49 1990
- ***************
- *** 23,37 ****
- --- 23,60 ----
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <sys/file.h>
- + #ifndef USG
- + #include <sys/time.h>
- + #include <sys/resource.h>
- + #endif
- #ifndef sony_news
- #include <fcntl.h>
- #endif
-
- + #if !defined(A_OUT) && !defined(MACH_O)
- + #define A_OUT
- + #endif
- +
- + #ifdef A_OUT
- #ifdef COFF_ENCAPSULATE
- #include "a.out.encap.h"
- #else
- #include <a.out.h>
- #endif
- + #endif
- +
- + #ifdef MACH_O
- + #ifndef A_OUT
- + #include <nlist.h>
- + #include <reloc.h>
- + #endif
- + #ifndef N_TEXT
- + #define N_TEXT 0x04
- + #define N_DATA 0x06
- + #define N_BSS 0x08
- + #endif
- + #include <sys/loader.h>
- + #endif
-
- #ifndef N_SET_MAGIC
- #define N_SET_MAGIC(exec, val) ((exec).a_magic = val)
- ***************
- *** 40,46 ****
- --- 63,77 ----
- /* If compiled with GNU C, use the built-in alloca */
- #ifdef __GNUC__
- # define alloca __builtin_alloca
- + #else
- + # if defined(sun) && defined(sparc)
- + # include "alloca.h"
- + # else
- + char *alloca ();
- # endif
- + #endif
- +
- + #include "getopt.h"
-
- /* Always use the GNU version of debugging symbol type codes, if possible. */
-
- ***************
- *** 86,102 ****
- /* Define this to specify the default executable format. */
-
- #ifdef hpux
- ! #define DEFAULT_MAGIC NMAGIC /* hpux bugs screw ZMAGIC */
- ! #endif
- !
- ! #ifndef DEFAULT_MAGIC
- ! #define DEFAULT_MAGIC ZMAGIC
- #endif
-
- /* Ordinary 4.3bsd lacks these macros in a.out.h. */
-
- #ifndef N_TXTADDR
- ! #if defined(vax) || defined(sony_news)
- #define N_TXTADDR(X) 0
- #endif
- #ifdef is68k
- --- 117,129 ----
- /* Define this to specify the default executable format. */
-
- #ifdef hpux
- ! #define DEFAULT_OUTPUT_STYLE OUTPUT_READONLY_TEXT
- #endif
-
- /* Ordinary 4.3bsd lacks these macros in a.out.h. */
-
- #ifndef N_TXTADDR
- ! #if defined(vax) || defined(sony_news) || defined(hp300) || defined(pyr)
- #define N_TXTADDR(X) 0
- #endif
- #ifdef is68k
- ***************
- *** 105,114 ****
- #ifdef sequent
- #define N_TXTADDR(x) (N_ADDRADJ(x))
- #endif
- #endif
-
- #ifndef N_DATADDR
- ! #if defined(vax) || defined(sony_news)
- #define N_DATADDR(x) \
- (((x).a_magic==OMAGIC)? (N_TXTADDR(x)+(x).a_text) \
- : (page_size+((N_TXTADDR(x)+(x).a_text-1) & ~(page_size-1))))
- --- 132,144 ----
- #ifdef sequent
- #define N_TXTADDR(x) (N_ADDRADJ(x))
- #endif
- + #ifdef NeXT
- + #define N_TXTADDR(X) ((X).a_magic == ZMAGIC ? page_size : 0)
- + #endif
- #endif
-
- #ifndef N_DATADDR
- ! #if defined(vax) || defined(sony_news) || defined(hp300) || defined(pyr)
- #define N_DATADDR(x) \
- (((x).a_magic==OMAGIC)? (N_TXTADDR(x)+(x).a_text) \
- : (page_size+((N_TXTADDR(x)+(x).a_text-1) & ~(page_size-1))))
- ***************
- *** 124,130 ****
- --- 154,172 ----
- (((x).a_magic==OMAGIC)? (N_TXTADDR(x)+(x).a_text) \
- : (page_size+(((x).a_text-1) & ~(page_size-1))))
- #endif
- + #ifdef NeXT
- + #define N_DATADDR(X) \
- + (((X).a_magic==ZMAGIC)?(N_TXTADDR(X)+(X).a_text+0xFFFF)&~0xFFFF \
- + :N_TXTADDR(X)+(X).a_text)
- #endif
- + #endif
- +
- + /* The "address" of the data segment in a relocatable file.
- + The text address of a relocatable file is always
- + considered to be zero (instead of the value of N_TXTADDR, which
- + is what the address is in an executable), so we need to subtract
- + N_TXTADDR from N_DATADDR to get the "address" for the input file. */
- + #define DATA_ADDR_DOT_O(hdr) (N_DATADDR(hdr) - N_TXTADDR(hdr))
-
- /* Define how to initialize system-dependent header fields. */
- #ifdef sun
- ***************
- *** 131,144 ****
- #ifdef sparc
- #define INITIALIZE_HEADER \
- {outheader.a_machtype = M_SPARC; outheader.a_toolversion = 1;}
- ! #endif
- ! #if defined(mc68010) || defined(m68010)
- ! #define INITIALIZE_HEADER outheader.a_machtype = M_68010
- ! #endif
- ! #ifndef INITIALIZE_HEADER
- ! #define INITIALIZE_HEADER outheader.a_machtype = M_68020
- ! #endif
- ! #endif
- #ifdef ALTOS
- #define INITIALIZE_HEADER N_SET_MACHTYPE (outheader, M_68020)
- #endif
- --- 173,195 ----
- #ifdef sparc
- #define INITIALIZE_HEADER \
- {outheader.a_machtype = M_SPARC; outheader.a_toolversion = 1;}
- ! #endif /* sparc. */
- ! #if defined(mc68000)
- ! /* Set the machine type according to the machine type of the .o files.
- ! If they are all sun2 (68010), then the type of the executable is sun2.
- ! If any is sun3 (68020), then the type of the executable is sun3.
- ! This is consistent with the Sun loader and more useful than having
- ! it depend on which machine you are on when you run ld. */
- ! static int sun_machtype = M_68010;
- ! #define INITIALIZE_HEADER outheader.a_machtype = sun_machtype
- ! #define READ_HEADER_HOOK(machtype) \
- ! if (machtype == M_68020) \
- ! { \
- ! sun_machtype = M_68020; \
- ! }
- ! #endif /* mc68000. */
- ! #endif /* Sun. */
- !
- #ifdef ALTOS
- #define INITIALIZE_HEADER N_SET_MACHTYPE (outheader, M_68020)
- #endif
- ***************
- *** 155,161 ****
- #endif
- #if defined(i386) && !defined(sequent)
- #define INITIALIZE_HEADER N_SET_MACHTYPE (outheader, M_386)
- ! #endif
-
- #ifdef is68k
- /* This enables code to take care of an ugly hack in the ISI OS.
- --- 206,218 ----
- #endif
- #if defined(i386) && !defined(sequent)
- #define INITIALIZE_HEADER N_SET_MACHTYPE (outheader, M_386)
- ! #endif /* Sequent symmetry. */
- ! #if defined(hp300)
- ! #define INITIALIZE_HEADER outheader.a_mid = MID_HP300
- ! #endif /* hp300. */
- ! #ifdef pyr
- ! #define INITIALIZE_HEADER outheader.a_machid = PYR90X
- ! #endif /* Pyramid. */
-
- #ifdef is68k
- /* This enables code to take care of an ugly hack in the ISI OS.
- ***************
- *** 164,179 ****
- #define DOLLAR_KLUDGE
- #endif
-
- ! /*
- ! * Alloca include.
- ! */
- ! #if defined(sun) && defined(sparc) && !defined(__GNUC__)
- ! #include "alloca.h"
- ! #endif
- !
- #ifndef L_SET
- #define L_SET 0
- #endif
-
- /*
- * Ok. Following are the relocation information macros. If your
- --- 221,234 ----
- #define DOLLAR_KLUDGE
- #endif
-
- ! /* Values for 3rd argument to lseek(). */
- #ifndef L_SET
- #define L_SET 0
- #endif
- + /* This is called L_INCR in BSD, but SEEK_CUR in POSIX. */
- + #ifndef SEEK_CUR
- + #define SEEK_CUR 1
- + #endif
-
- /*
- * Ok. Following are the relocation information macros. If your
- ***************
- *** 193,199 ****
- * what the value of the relocation actually was. *Must be an lvalue*.
- *
- * RELOC_TYPE (rval): For a non-external relocation, this is the
- ! * segment to relocate for.
- *
- * RELOC_SYMBOL (rval): For an external relocation, this is the
- * index of its symbol in the symbol table. *Must be an lvalue*.
- --- 248,254 ----
- * what the value of the relocation actually was. *Must be an lvalue*.
- *
- * RELOC_TYPE (rval): For a non-external relocation, this is the
- ! * segment to relocate for. *Must be an lvalue.*
- *
- * RELOC_SYMBOL (rval): For an external relocation, this is the
- * index of its symbol in the symbol table. *Must be an lvalue*.
- ***************
- *** 502,508 ****
- /* Nonzero means definitions of this symbol as common have been seen,
- and the value here is the largest size specified by any of them. */
- int max_common_size;
- ! /* For relocatable_output, records the index of this global sym in the
- symbol table to be written, with the first global sym given index 0.*/
- int def_count;
- /* Nonzero means a definition of this global symbol is known to exist.
- --- 557,563 ----
- /* Nonzero means definitions of this symbol as common have been seen,
- and the value here is the largest size specified by any of them. */
- int max_common_size;
- ! /* For OUTPUT_RELOCATABLE, records the index of this global sym in the
- symbol table to be written, with the first global sym given index 0.*/
- int def_count;
- /* Nonzero means a definition of this global symbol is known to exist.
- ***************
- *** 530,535 ****
- --- 585,599 ----
- }
- symbol;
-
- + /* Demangler for C++. */
- + extern char *cplus_demangle ();
- +
- + /* Demangler function to use. We unconditionally enable the C++ demangler
- + because we assume any name it successfully demangles was probably produced
- + by the C++ compiler. Enabling it only if -lg++ was specified seems too
- + much of a kludge. */
- + char *(*demangler)() = cplus_demangle;
- +
- /* Number of buckets in symbol hash table */
- #define TABSIZE 1009
-
- ***************
- *** 611,620 ****
- --- 675,694 ----
- -e sets this. */
- symbol *entry_symbol;
-
- + /* These can be NULL if we don't actually have such a symbol. */
- symbol *edata_symbol; /* the symbol _edata */
- symbol *etext_symbol; /* the symbol _etext */
- symbol *end_symbol; /* the symbol _end */
- + /* We also need __{edata,etext,end} so that they can safely
- + be used from an ANSI library. */
- + symbol *edata_symbol_alt;
- + symbol *etext_symbol_alt;
- + symbol *end_symbol_alt;
-
- + /* Kinds of files potentially understood by the linker. */
- +
- + enum file_type { IS_UNKNOWN, IS_ARCHIVE, IS_A_OUT, IS_MACH_O };
- +
- /* Each input file, and each library member ("subfile") being loaded,
- has a `file_entry' structure for it.
-
- ***************
- *** 630,659 ****
- struct file_entry {
- /* Name of this file. */
- char *filename;
- /* Name to use for the symbol giving address of text start */
- /* Usually the same as filename, but for a file spec'd with -l
- this is the -l switch itself rather than the filename. */
- char *local_sym_name;
-
- ! /* Describe the layout of the contents of the file */
-
- ! /* The file's a.out header. */
- ! struct exec header;
- ! /* Offset in file of GDB symbol segment, or 0 if there is none. */
- ! int symseg_offset;
-
- /* Describe data from the file loaded into core */
-
- /* Symbol table of the file. */
- struct nlist *symbols;
- ! /* Size in bytes of string table. */
- ! int string_size;
- /* Pointer to the string table.
- The string table is not kept in core all the time,
- but when it is in core, its address is here. */
- char *strings;
-
- ! /* Next two used only if `relocatable_output' or if needed for */
- /* output of undefined reference line numbers. */
-
- /* Text reloc info saved by `write_text' for `coptxtrel'. */
- --- 704,771 ----
- struct file_entry {
- /* Name of this file. */
- char *filename;
- +
- + /* What kind of file this is. */
- + enum file_type file_type;
- +
- /* Name to use for the symbol giving address of text start */
- /* Usually the same as filename, but for a file spec'd with -l
- this is the -l switch itself rather than the filename. */
- char *local_sym_name;
-
- ! /* Describe the layout of the contents of the file. */
-
- ! /* The text section. */
- ! unsigned long int orig_text_address;
- ! unsigned long int text_size;
- ! long int text_offset;
- !
- ! /* Text relocation. */
- ! unsigned long int text_reloc_size;
- ! long int text_reloc_offset;
- !
- ! /* The data section. */
- ! unsigned long int orig_data_address;
- ! unsigned long int data_size;
- ! long int data_offset;
- !
- ! /* Data relocation. */
- ! unsigned long int data_reloc_size;
- ! long int data_reloc_offset;
- !
- ! /* The bss section. */
- ! unsigned long int orig_bss_address;
- ! unsigned long int bss_size;
- !
- ! /* The symbol and string tables. */
- ! unsigned long int syms_size;
- ! long int syms_offset;
- ! unsigned long int strs_size;
- ! long int strs_offset;
- !
- ! /* The GDB symbol segment, if any. */
- ! unsigned long int symseg_size;
- ! long int symseg_offset;
- !
- ! #ifdef MACH_O
- ! /* Section ordinals from the Mach-O load commands. These
- ! are compared with the n_sect fields of symbols. */
- ! int text_ordinal;
- ! int data_ordinal;
- ! int bss_ordinal;
- ! #endif
-
- /* Describe data from the file loaded into core */
-
- /* Symbol table of the file. */
- struct nlist *symbols;
- !
- /* Pointer to the string table.
- The string table is not kept in core all the time,
- but when it is in core, its address is here. */
- char *strings;
-
- ! /* Next two used only if OUTPUT_RELOCATABLE or if needed for */
- /* output of undefined reference line numbers. */
-
- /* Text reloc info saved by `write_text' for `coptxtrel'. */
- ***************
- *** 724,751 ****
-
- char *output_filename;
-
- ! /* Descriptor for writing that file with `mywrite'. */
- !
- ! int outdesc;
-
- ! /* Header for that file (filled in by `write_header'). */
-
- ! struct exec outheader;
-
- ! #ifdef COFF_ENCAPSULATE
- ! struct coffheader coffheader;
- ! int need_coff_header;
- #endif
-
- /* The following are computed by `digest_symbols'. */
-
- int text_size; /* total size of text of all input files. */
- int data_size; /* total size of data of all input files. */
- int bss_size; /* total size of bss of all input files. */
- int text_reloc_size; /* total size of text relocation of all input files. */
- ! int data_reloc_size; /* total size of data relocation of all input */
- ! /* files. */
-
- /* Specifications of start and length of the area reserved at the end
- of the text segment for the set vectors. Computed in 'digest_symbols' */
- int set_sect_start;
- --- 836,906 ----
-
- char *output_filename;
-
- ! /* What kind of output file to write. */
-
- ! enum file_type output_file_type;
-
- ! #ifndef DEFAULT_OUTPUT_FILE_TYPE
- ! #ifdef MACH_O
- ! #define DEFAULT_OUTPUT_FILE_TYPE IS_MACH_O
- ! #else
- ! #define DEFAULT_OUTPUT_FILE_TYPE IS_A_OUT
- ! #endif
- ! #endif
- !
- ! /* What `style' of output file to write. For BSD a.out files
- ! this specifies OMAGIC, NMAGIC, or ZMAGIC. For Mach-O files
- ! this switches between MH_OBJECT and two flavors of MH_EXECUTE. */
- !
- ! enum output_style
- ! {
- ! OUTPUT_UNSPECIFIED,
- ! OUTPUT_RELOCATABLE, /* -r */
- ! OUTPUT_WRITABLE_TEXT, /* -N */
- ! OUTPUT_READONLY_TEXT, /* -n */
- ! OUTPUT_DEMAND_PAGED /* -Z (default) */
- ! };
- !
- ! enum output_style output_style;
-
- ! #ifndef DEFAULT_OUTPUT_STYLE
- ! #define DEFAULT_OUTPUT_STYLE OUTPUT_DEMAND_PAGED
- #endif
-
- + /* Descriptor for writing that file with `mywrite'. */
- +
- + int outdesc;
- +
- /* The following are computed by `digest_symbols'. */
-
- int text_size; /* total size of text of all input files. */
- + int text_header_size; /* size of the file header if included in the
- + text size. */
- int data_size; /* total size of data of all input files. */
- int bss_size; /* total size of bss of all input files. */
- int text_reloc_size; /* total size of text relocation of all input files. */
- ! int data_reloc_size; /* total size of data relocation of all input
- ! files. */
-
- + /* The following are computed by write_header(). */
- + long int output_text_offset; /* file offset of the text section. */
- + long int output_data_offset; /* file offset of the data section. */
- + long int output_trel_offset; /* file offset of the text relocation info. */
- + long int output_drel_offset; /* file offset of the data relocation info. */
- + long int output_syms_offset; /* file offset of the symbol table. */
- + long int output_strs_offset; /* file offset of the string table. */
- +
- + /* The following are incrementally computed by write_syms(); we keep
- + them here so we can examine their values afterwards. */
- + unsigned int output_syms_size; /* total bytes of symbol table output. */
- + unsigned int output_strs_size; /* total bytes of string table output. */
- +
- + /* This can only be computed after the size of the string table is known. */
- + long int output_symseg_offset; /* file offset of the symbol segment (if any). */
- +
- + /* Incrementally computed by write_file_symseg(). */
- + unsigned int output_symseg_size;
- +
- /* Specifications of start and length of the area reserved at the end
- of the text segment for the set vectors. Computed in 'digest_symbols' */
- int set_sect_start;
- ***************
- *** 755,766 ****
- written. */
- unsigned long *set_vectors;
-
- ! /* Amount of cleared space to leave between the text and data segments. */
-
- int text_pad;
-
- ! /* Amount of bss segment to include as part of the data segment. */
- !
- int data_pad;
-
- /* Format of __.SYMDEF:
- --- 910,922 ----
- written. */
- unsigned long *set_vectors;
-
- ! /* Amount of cleared space to leave at the end of the text segment. */
-
- int text_pad;
-
- ! /* Amount of padding at end of data segment. This has two parts:
- ! That which is before the bss segment, and that which overlaps
- ! with the bss segment. */
- int data_pad;
-
- /* Format of __.SYMDEF:
- ***************
- *** 781,796 ****
- write any padding in the output file for it. */
- int text_start;
-
- - /* Offset of default entry-pc within the text section. */
- - int entry_offset;
- -
- /* Address we decide the data section will be loaded at. */
- int data_start;
-
- - /* `text-start' address is normally this much plus a page boundary.
- - This is not a user option; it is fixed for each system. */
- - int text_start_alignment;
- -
- /* Nonzero if -T was specified in the command line.
- This prevents text_start from being set later to default values. */
- int T_flag_specified;
- --- 937,945 ----
- ***************
- *** 804,812 ****
- and reduce the size of the bss section to match. */
- int specified_data_size;
-
- - /* Magic number to use for the output file, set by switch. */
- - int magic;
- -
- /* Nonzero means print names of input files as processed. */
- int trace_files;
-
- --- 953,958 ----
- ***************
- *** 822,831 ****
- /* 1 => write load map. */
- int write_map;
-
- ! /* 1 => write relocation into output file so can re-input it later. */
- ! int relocatable_output;
- !
- ! /* 1 => assign space to common symbols even if `relocatable_output'. */
- int force_common_definition;
-
- /* Standard directories to search for files specified by -l. */
- --- 968,974 ----
- /* 1 => write load map. */
- int write_map;
-
- ! /* 1 => assign space to common symbols even if OUTPUT_RELOCATABLE. */
- int force_common_definition;
-
- /* Standard directories to search for files specified by -l. */
- ***************
- *** 840,845 ****
- --- 983,991 ----
- #endif
- #endif
-
- + /* If set STANDARD_SEARCH_DIRS is not searched. */
- + int no_standard_dirs;
- +
- /* Actual vector of directories to search;
- this contains those specified with -L plus the standard ones. */
- char **search_dirs;
- ***************
- *** 847,854 ****
- /* Length of the vector `search_dirs'. */
- int n_search_dirs;
-
- ! /* Non zero means to create the output executable. */
- ! /* Cleared by nonfatal errors. */
- int make_executable;
-
- /* Force the executable to be output, even if there are non-fatal
- --- 993,1000 ----
- /* Length of the vector `search_dirs'. */
- int n_search_dirs;
-
- ! /* Non zero means to create the output executable.
- ! Cleared by nonfatal errors. */
- int make_executable;
-
- /* Force the executable to be output, even if there are non-fatal
- ***************
- *** 861,875 ****
- struct glosym **cmdline_references;
- int cl_refs_allocated;
-
- void bcopy (), bzero ();
- - int malloc (), realloc ();
- - #ifndef alloca
- - int alloca ();
- #endif
- ! int free ();
-
- ! int xmalloc ();
- ! int xrealloc ();
- void fatal ();
- void fatal_with_file ();
- void perror_name ();
- --- 1007,1021 ----
- struct glosym **cmdline_references;
- int cl_refs_allocated;
-
- + #ifndef bcopy
- void bcopy (), bzero ();
- #endif
- ! char *malloc (), *realloc ();
- ! void free ();
-
- ! char *xmalloc ();
- ! char *xrealloc ();
- ! void usage ();
- void fatal ();
- void fatal_with_file ();
- void perror_name ();
- ***************
- *** 876,881 ****
- --- 1022,1030 ----
- void perror_file ();
- void error ();
-
- + int parse ();
- + void initialize_text_start ();
- + void initialize_data_start ();
- void digest_symbols ();
- void print_symbols ();
- void load_symbols ();
- ***************
- *** 905,910 ****
- --- 1054,1070 ----
- page_size = getpagesize ();
- progname = argv[0];
-
- + #ifdef RLIMIT_STACK
- + /* Avoid dumping core on large .o files. */
- + {
- + struct rlimit rl;
- +
- + getrlimit (RLIMIT_STACK, &rl);
- + rl.rlim_cur = rl.rlim_max;
- + setrlimit (RLIMIT_STACK, &rl);
- + }
- + #endif
- +
- /* Clear the cumulative info on the output file. */
-
- text_size = 0;
- ***************
- *** 924,934 ****
- discard_locals = DISCARD_NONE;
- entry_symbol = 0;
- write_map = 0;
- - relocatable_output = 0;
- force_common_definition = 0;
- T_flag_specified = 0;
- Tdata_flag_specified = 0;
- - magic = DEFAULT_MAGIC;
- make_executable = 1;
- force_executable = 0;
- set_element_prefixes = 0;
- --- 1084,1092 ----
- ***************
- *** 947,952 ****
- --- 1105,1111 ----
- common_defined_global_count = 0;
-
- /* Keep a list of symbols referenced from the command line */
- +
- cl_refs_allocated = 10;
- cmdline_references
- = (struct glosym **) xmalloc (cl_refs_allocated
- ***************
- *** 957,1004 ****
-
- decode_command (argc, argv);
-
- - /* Create the symbols `etext', `edata' and `end'. */
- -
- - if (!relocatable_output)
- - symtab_init ();
- -
- - /* Determine whether to count the header as part of
- - the text size, and initialize the text size accordingly.
- - This depends on the kind of system and on the output format selected. */
- -
- - N_SET_MAGIC (outheader, magic);
- - #ifdef INITIALIZE_HEADER
- - INITIALIZE_HEADER;
- - #endif
- -
- - text_size = sizeof (struct exec);
- - #ifdef COFF_ENCAPSULATE
- - if (relocatable_output == 0)
- - {
- - need_coff_header = 1;
- - /* set this flag now, since it will change the values of N_TXTOFF, etc */
- - N_SET_FLAGS (outheader, N_FLAGS_COFF_ENCAPSULATE);
- - text_size += sizeof (struct coffheader);
- - }
- - #endif
- -
- - text_size -= N_TXTOFF (outheader);
- -
- - if (text_size < 0)
- - text_size = 0;
- - entry_offset = text_size;
- -
- - if (!T_flag_specified && !relocatable_output)
- - text_start = N_TXTADDR (outheader);
- -
- - /* The text-start address is normally this far past a page boundary. */
- - text_start_alignment = text_start % page_size;
- -
- /* Load symbols of all input files.
- Also search all libraries and decide which library members to load. */
-
- load_symbols ();
-
- /* Compute where each file's sections go, and relocate symbols. */
-
- digest_symbols ();
- --- 1116,1133 ----
-
- decode_command (argc, argv);
-
- /* Load symbols of all input files.
- Also search all libraries and decide which library members to load. */
-
- load_symbols ();
-
- + /* Create various built-in symbols. This must occur after
- + all input files are loaded so that a user program can have a
- + symbol named etext (for example). */
- +
- + if (output_style != OUTPUT_RELOCATABLE)
- + symtab_init ();
- +
- /* Compute where each file's sections go, and relocate symbols. */
-
- digest_symbols ();
- ***************
- *** 1020,1072 ****
- exit (!make_executable);
- }
-
- ! void decode_option ();
-
- ! /* Analyze a command line argument.
- ! Return 0 if the argument is a filename.
- ! Return 1 if the argument is a option complete in itself.
- ! Return 2 if the argument is a option which uses an argument.
- !
- ! Thus, the value is the number of consecutive arguments
- ! that are part of options. */
- !
- ! int
- ! classify_arg (arg)
- ! register char *arg;
- ! {
- ! if (*arg != '-') return 0;
- ! switch (arg[1])
- {
- ! case 'A':
- ! case 'D':
- ! case 'e':
- ! case 'L':
- ! case 'l':
- ! case 'o':
- ! case 'u':
- ! case 'V':
- ! case 'y':
- ! if (arg[2])
- ! return 1;
- ! return 2;
- !
- ! case 'B':
- ! if (! strcmp (&arg[2], "static"))
- ! return 1;
- !
- ! case 'T':
- ! if (arg[2] == 0)
- ! return 2;
- ! if (! strcmp (&arg[2], "text"))
- ! return 2;
- ! if (! strcmp (&arg[2], "data"))
- ! return 2;
- ! return 1;
- ! }
-
- - return 1;
- - }
- -
- /* Process the command arguments,
- setting up file_table with an entry for each input file,
- and setting variables according to the options. */
- --- 1149,1191 ----
- exit (!make_executable);
- }
-
- ! void add_cmdline_ref ();
-
- ! static struct option longopts[] =
- {
- ! {"d", 0, 0, 'd'},
- ! {"dc", 0, 0, 'd'}, /* For Sun compatibility. */
- ! {"dp", 0, 0, 'd'}, /* For Sun compatibility. */
- ! {"e", 1, 0, 'e'},
- ! {"n", 0, 0, 'n'},
- ! {"noinhibit-exec", 0, 0, 130},
- ! {"nostdlib", 0, 0, 133},
- ! {"o", 1, 0, 'o'},
- ! {"r", 0, 0, 'r'},
- ! {"s", 0, 0, 's'},
- ! {"t", 0, 0, 't'},
- ! {"u", 1, 0, 'u'},
- ! {"x", 0, 0, 'x'},
- ! {"z", 0, 0, 'z'},
- ! {"A", 1, 0, 'A'},
- ! {"Bstatic", 0, 0, 129}, /* For Sun compatibility. */
- ! {"D", 1, 0, 'D'},
- ! {"M", 0, 0, 'M'},
- ! {"N", 0, 0, 'N'},
- ! {"S", 0, 0, 'S'},
- ! {"T", 1, 0, 'T'},
- ! {"Ttext", 1, 0, 'T'},
- ! {"Tdata", 1, 0, 132},
- ! {"V", 1, 0, 'V'},
- ! {"X", 0, 0, 'X'},
- ! {0, 0, 0, 0}
- ! };
- !
- ! /* Since the Unix ld accepts -lfoo, -Lfoo, and -yfoo, we must also.
- ! This effectively prevents any long options from starting with
- ! one of these letters. */
- ! #define SHORTOPTS "-l:y:L:"
-
- /* Process the command arguments,
- setting up file_table with an entry for each input file,
- and setting variables according to the options. */
- ***************
- *** 1076,1082 ****
- char **argv;
- int argc;
- {
- ! register int i;
- register struct file_entry *p;
-
- number_of_files = 0;
- --- 1195,1201 ----
- char **argv;
- int argc;
- {
- ! int optc, longind;
- register struct file_entry *p;
-
- number_of_files = 0;
- ***************
- *** 1085,1172 ****
- n_search_dirs = 0;
- search_dirs = (char **) xmalloc (sizeof (char *));
-
- ! /* First compute number_of_files so we know how long to make file_table. */
- ! /* Also process most options completely. */
-
- ! for (i = 1; i < argc; i++)
- {
- ! register int code = classify_arg (argv[i]);
- ! if (code)
- ! {
- ! if (i + code > argc)
- ! fatal ("no argument following %s\n", argv[i]);
-
- ! decode_option (argv[i], argv[i+1]);
-
- ! if (argv[i][1] == 'l' || argv[i][1] == 'A')
- number_of_files++;
-
- ! i += code - 1;
- }
- ! else
- number_of_files++;
- }
-
- if (!number_of_files)
- ! fatal ("no input files", 0);
-
- p = file_table
- = (struct file_entry *) xmalloc (number_of_files * sizeof (struct file_entry));
- bzero (p, number_of_files * sizeof (struct file_entry));
-
- ! /* Now scan again and fill in file_table. */
- ! /* All options except -A and -l are ignored here. */
-
- ! for (i = 1; i < argc; i++)
- ! {
- ! register int code = classify_arg (argv[i]);
-
- ! if (code)
- {
- ! char *string;
- ! if (code == 2)
- ! string = argv[i+1];
- ! else
- ! string = &argv[i][2];
-
- ! if (argv[i][1] == 'A')
- ! {
- if (p != file_table)
- ! fatal ("-A specified before an input file other than the first");
- !
- ! p->filename = string;
- ! p->local_sym_name = string;
- p->just_syms_flag = 1;
- p++;
- ! }
- ! if (argv[i][1] == 'l')
- ! {
- ! p->filename = concat ("lib", string, ".a");
- ! p->local_sym_name = concat ("-l", string, "");
- p->search_dirs_flag = 1;
- p++;
- ! }
- ! i += code - 1;
- ! }
- ! else
- ! {
- ! p->filename = argv[i];
- ! p->local_sym_name = argv[i];
- ! p++;
- }
- }
-
- /* Now check some option settings for consistency. */
-
- ! #ifdef NMAGIC
- ! if ((magic == ZMAGIC || magic == NMAGIC)
- ! #else
- ! if ((magic == ZMAGIC)
- ! #endif
- && (text_start - text_start_alignment) & (page_size - 1))
- ! fatal ("-T argument not multiple of page size, with sharable output", 0);
-
- /* Append the standard search directories to the user-specified ones. */
- {
- int n = sizeof standard_search_dirs / sizeof standard_search_dirs[0];
- n_search_dirs += n;
- --- 1204,1429 ----
- n_search_dirs = 0;
- search_dirs = (char **) xmalloc (sizeof (char *));
-
- ! /* First compute number_of_files so we know how long to make file_table.
- ! Also process most options completely. */
-
- ! while ((optc = getopt_long_only (argc, argv, SHORTOPTS, longopts, &longind))
- ! != EOF)
- ! {
- ! if (optc == 0)
- ! optc = longopts[longind].val;
- !
- ! switch (optc)
- {
- ! case '?':
- ! usage (0, 0);
- ! break;
- !
- ! case 1:
- ! /* Non-option argument. */
- ! number_of_files++;
- ! break;
- !
- ! case 'd':
- ! force_common_definition = 1;
- ! break;
-
- ! case 'e':
- ! entry_symbol = getsym (optarg);
- ! if (!entry_symbol->defined && !entry_symbol->referenced)
- ! undefined_global_sym_count++;
- ! entry_symbol->referenced = 1;
- ! add_cmdline_ref (entry_symbol);
- ! break;
-
- ! case 'l':
- number_of_files++;
- + break;
- +
- + case 'n':
- + if (output_style && output_style != OUTPUT_READONLY_TEXT)
- + fatal ("illegal combination of -n with -N, -r, or -z", (char *) 0);
- + output_style = OUTPUT_READONLY_TEXT;
- + break;
- +
- + case 130: /* -noinhibit-exec */
- + force_executable = 1;
- + break;
- +
- + case 133: /* -nostdlib */
- + no_standard_dirs = 1;
- + break;
- +
- + case 'o':
- + output_filename = optarg;
- + break;
- +
- + case 'r':
- + if (output_style && output_style != OUTPUT_RELOCATABLE)
- + fatal ("illegal combination of -r with -N, -n, or -z", (char *) 0);
- + output_style = OUTPUT_RELOCATABLE;
- + text_start = 0;
- + break;
- +
- + case 's':
- + strip_symbols = STRIP_ALL;
- + break;
- +
- + case 't':
- + trace_files = 1;
- + break;
- +
- + case 'u':
- + {
- + register symbol *sp = getsym (optarg);
-
- ! if (!sp->defined && !sp->referenced)
- ! undefined_global_sym_count++;
- ! sp->referenced = 1;
- ! add_cmdline_ref (sp);
- }
- ! break;
- !
- ! case 'x':
- ! discard_locals = DISCARD_ALL;
- ! break;
- !
- ! case 'y':
- ! {
- ! register symbol *sp = getsym (optarg);
- !
- ! sp->trace = 1;
- ! }
- ! break;
- !
- ! case 'z':
- ! if (output_style && output_style != OUTPUT_DEMAND_PAGED)
- ! fatal ("illegal combination of -z with -N, -n, or -r", (char *) 0);
- ! output_style = OUTPUT_DEMAND_PAGED;
- ! break;
- !
- ! case 'A':
- number_of_files++;
- + break;
- +
- + case 129: /* -Bstatic. */
- + /* Ignore. */
- + break;
- +
- + case 'D':
- + specified_data_size = parse (optarg, "%x", "invalid argument to -D");
- + break;
- +
- + case 'L':
- + n_search_dirs++;
- + search_dirs = (char **)
- + xrealloc (search_dirs, n_search_dirs * sizeof (char *));
- + search_dirs[n_search_dirs - 1] = optarg;
- + break;
- +
- + case 'M':
- + write_map = 1;
- + break;
- +
- + case 'N':
- + if (output_style && output_style != OUTPUT_WRITABLE_TEXT)
- + fatal ("illegal combination of -N with -n, -r, or -z", (char *) 0);
- + output_style = OUTPUT_WRITABLE_TEXT;
- + break;
- +
- + case 'S':
- + strip_symbols = STRIP_DEBUGGER;
- + break;
- +
- + case 'T':
- + text_start = parse (optarg, "%x", "invalid argument to -Ttext");
- + T_flag_specified = 1;
- + break;
- +
- + case 132: /* -Tdata addr */
- + data_start = parse (optarg, "%x", "invalid argument to -Tdata");
- + Tdata_flag_specified = 1;
- + break;
- +
- + case 'V':
- + {
- + struct string_list_element *new
- + = (struct string_list_element *)
- + xmalloc (sizeof (struct string_list_element));
- +
- + new->str = optarg;
- + new->next = set_element_prefixes;
- + set_element_prefixes = new;
- + }
- + break;
- +
- + case 'X':
- + discard_locals = DISCARD_L;
- + break;
- }
- + }
-
- if (!number_of_files)
- ! usage ("no input files", 0);
-
- p = file_table
- = (struct file_entry *) xmalloc (number_of_files * sizeof (struct file_entry));
- bzero (p, number_of_files * sizeof (struct file_entry));
-
- ! /* Now scan again and fill in file_table.
- ! All options except -A and -l are ignored here. */
-
- ! optind = 0; /* Reset getopt. */
- ! while ((optc = getopt_long_only (argc, argv, SHORTOPTS, longopts, &longind))
- ! != EOF)
- ! {
- ! if (optc == 0)
- ! optc = longopts[longind].val;
-
- ! switch (optc)
- {
- ! case 1:
- ! /* Non-option argument. */
- ! p->filename = optarg;
- ! p->local_sym_name = optarg;
- ! p++;
- ! break;
-
- ! case 'A':
- if (p != file_table)
- ! usage ("-A specified before an input file other than the first");
- ! p->filename = optarg;
- ! p->local_sym_name = optarg;
- p->just_syms_flag = 1;
- p++;
- ! break;
- !
- ! case 'l':
- ! p->filename = concat ("lib", optarg, ".a");
- ! p->local_sym_name = concat ("-l", optarg, "");
- p->search_dirs_flag = 1;
- p++;
- ! break;
- }
- }
-
- + if (!output_file_type)
- + output_file_type = DEFAULT_OUTPUT_FILE_TYPE;
- +
- + if (!output_style)
- + output_style = DEFAULT_OUTPUT_STYLE;
- +
- + #if 0
- + /* THIS CONSISTENCY CHECK BELONGS SOMEWHERE ELSE. */
- /* Now check some option settings for consistency. */
-
- ! if ((output_style == OUTPUT_READONLY_TEXT || output_style == OUTPUT_DEMAND_PAGED)
- && (text_start - text_start_alignment) & (page_size - 1))
- ! usage ("-T argument not multiple of page size, with sharable output", 0);
- ! #endif
-
- /* Append the standard search directories to the user-specified ones. */
- + if (!no_standard_dirs)
- {
- int n = sizeof standard_search_dirs / sizeof standard_search_dirs[0];
- n_search_dirs += n;
- ***************
- *** 1221,1384 ****
- }
- return 0;
- }
- -
- - int parse ();
- -
- - /* Record an option and arrange to act on it later.
- - ARG should be the following command argument,
- - which may or may not be used by this option.
- -
- - The `l' and `A' options are ignored here since they actually
- - specify input files. */
- -
- - void
- - decode_option (swt, arg)
- - register char *swt, *arg;
- - {
- - /* We get Bstatic from gcc on suns. */
- - if (! strcmp (swt + 1, "Bstatic"))
- - return;
- - if (! strcmp (swt + 1, "Ttext"))
- - {
- - text_start = parse (arg, "%x", "invalid argument to -Ttext");
- - T_flag_specified = 1;
- - return;
- - }
- - if (! strcmp (swt + 1, "Tdata"))
- - {
- - data_start = parse (arg, "%x", "invalid argument to -Tdata");
- - Tdata_flag_specified = 1;
- - return;
- - }
- - if (! strcmp (swt + 1, "noinhibit-exec"))
- - {
- - force_executable = 1;
- - return;
- - }
- -
- - if (swt[2] != 0)
- - arg = &swt[2];
- -
- - switch (swt[1])
- - {
- - case 'A':
- - return;
- -
- - case 'D':
- - specified_data_size = parse (arg, "%x", "invalid argument to -D");
- - return;
- -
- - case 'd':
- - force_common_definition = 1;
- - return;
- -
- - case 'e':
- - entry_symbol = getsym (arg);
- - if (!entry_symbol->defined && !entry_symbol->referenced)
- - undefined_global_sym_count++;
- - entry_symbol->referenced = 1;
- - add_cmdline_ref (entry_symbol);
- - return;
- -
- - case 'l':
- - return;
- -
- - case 'L':
- - n_search_dirs++;
- - search_dirs
- - = (char **) xrealloc (search_dirs, n_search_dirs * sizeof (char *));
- - search_dirs[n_search_dirs - 1] = arg;
- - return;
- -
- - case 'M':
- - write_map = 1;
- - return;
- -
- - case 'N':
- - magic = OMAGIC;
- - return;
- -
- - #ifdef NMAGIC
- - case 'n':
- - magic = NMAGIC;
- - return;
- - #endif
- -
- - case 'o':
- - output_filename = arg;
- - return;
- -
- - case 'r':
- - relocatable_output = 1;
- - magic = OMAGIC;
- - text_start = 0;
- - return;
- -
- - case 'S':
- - strip_symbols = STRIP_DEBUGGER;
- - return;
- -
- - case 's':
- - strip_symbols = STRIP_ALL;
- - return;
- -
- - case 'T':
- - text_start = parse (arg, "%x", "invalid argument to -T");
- - T_flag_specified = 1;
- - return;
- -
- - case 't':
- - trace_files = 1;
- - return;
- -
- - case 'u':
- - {
- - register symbol *sp = getsym (arg);
- - if (!sp->defined && !sp->referenced)
- - undefined_global_sym_count++;
- - sp->referenced = 1;
- - add_cmdline_ref (sp);
- - }
- - return;
- -
- - case 'V':
- - {
- - struct string_list_element *new
- - = (struct string_list_element *)
- - xmalloc (sizeof (struct string_list_element));
- -
- - new->str = arg;
- - new->next = set_element_prefixes;
- - set_element_prefixes = new;
- - return;
- - }
- -
- - case 'X':
- - discard_locals = DISCARD_L;
- - return;
- -
- - case 'x':
- - discard_locals = DISCARD_ALL;
- - return;
- -
- - case 'y':
- - {
- - register symbol *sp = getsym (&swt[2]);
- - sp->trace = 1;
- - }
- - return;
- -
- - case 'z':
- - magic = ZMAGIC;
- - return;
- -
- - default:
- - fatal ("invalid command option `%s'", swt);
- - }
- - }
-
- ! /** Convenient functions for operating on one or all files being */
- ! /** loaded. */
- void print_file_name ();
-
- /* Call FUNCTION on each input file entry.
- --- 1478,1486 ----
- }
- return 0;
- }
-
- ! /* Convenient functions for operating on one or all files being
- ! loaded. */
- void print_file_name ();
-
- /* Call FUNCTION on each input file entry.
- ***************
- *** 1494,1502 ****
-
- if (input_file) file_close ();
-
- ! if (entry->search_dirs_flag)
- {
- - register char **p = search_dirs;
- int i;
-
- for (i = 0; i < n_search_dirs; i++)
- --- 1596,1603 ----
-
- if (input_file) file_close ();
-
- ! if (entry->search_dirs_flag && n_search_dirs)
- {
- int i;
-
- for (i = 0; i < n_search_dirs; i++)
- ***************
- *** 1580,1588 ****
-
- /* Medium-level input routines for rel files. */
-
- ! /* Read a file's header into the proper place in the file_entry.
- DESC is the descriptor on which the file is open.
- ! ENTRY is the file's entry. */
-
- void
- read_header (desc, entry)
- --- 1681,1971 ----
-
- /* Medium-level input routines for rel files. */
-
- ! /* Determine whether the given ENTRY is an archive, a BSD a.out file,
- ! a Mach-O file, or whatever. DESC is the descriptor on which the
- ! file is open. */
- ! void
- ! deduce_file_type(desc, entry)
- ! int desc;
- ! struct file_entry *entry;
- ! {
- ! int len;
- !
- ! {
- ! char magic[SARMAG];
- !
- ! lseek (desc, entry->starting_offset, 0);
- ! len = read (desc, magic, SARMAG);
- ! if (len == SARMAG && !strncmp(magic, ARMAG, SARMAG))
- ! {
- ! entry->file_type = IS_ARCHIVE;
- ! return;
- ! }
- ! }
- !
- ! #ifdef A_OUT
- ! {
- ! struct exec hdr;
- !
- ! lseek (desc, entry->starting_offset, 0);
- ! #ifdef COFF_ENCAPSULATE
- ! if (entry->just_syms_flag)
- ! /* Since a file given with -A will have a coff header, unlike normal
- ! input files, we need to skip over it. */
- ! lseek (desc, sizeof (coffheader), SEEK_CUR);
- ! #endif
- ! len = read (desc, (char *) &hdr, sizeof (struct exec));
- ! if (len == sizeof (struct exec) && !N_BADMAG (hdr))
- ! {
- ! entry->file_type = IS_A_OUT;
- ! return;
- ! }
- ! }
- ! #endif
- !
- ! #ifdef MACH_O
- ! {
- ! struct mach_header hdr;
- !
- ! lseek (desc, entry->starting_offset, 0);
- ! len = read (desc, (char *) &hdr, sizeof (struct mach_header));
- ! if (len == sizeof (struct mach_header) && hdr.magic == MH_MAGIC)
- ! {
- ! entry->file_type = IS_MACH_O;
- ! return;
- ! }
- ! }
- ! #endif
- !
- ! fatal_with_file ("malformed input file (not rel or archive) ", entry);
- ! }
- !
- ! #ifdef A_OUT
- ! /* Read an a.out file's header and set up the fields of
- ! the ENTRY accordingly. DESC is the descriptor on which
- ! the file is open. */
- ! void
- ! read_a_out_header (desc, entry)
- ! int desc;
- ! struct file_entry *entry;
- ! {
- ! register int len;
- ! struct exec hdr;
- ! struct stat st;
- !
- ! lseek (desc, entry->starting_offset, 0);
- !
- ! #ifdef COFF_ENCAPSULATE
- ! if (entry->just_syms_flag)
- ! /* Since a file given with -A will have a coff header, unlike normal
- ! input files, we need to skip over it. */
- ! lseek (desc, sizeof (coffheader), SEEK_CUR);
- ! #endif
- !
- ! read (desc, (char *) &hdr, sizeof (struct exec));
- !
- ! #ifdef READ_HEADER_HOOK
- ! READ_HEADER_HOOK(hdr.a_machtype);
- ! #endif
- !
- ! if (entry->just_syms_flag)
- ! entry->orig_text_address = N_TXTADDR(hdr);
- ! else
- ! entry->orig_text_address = 0;
- ! entry->text_size = hdr.a_text;
- ! entry->text_offset = N_TXTOFF(hdr);
- !
- ! entry->text_reloc_size = hdr.a_trsize;
- ! #ifdef N_TRELOFF
- ! entry->text_reloc_offset = N_TRELOFF(hdr);
- ! #else
- ! #ifdef N_DATOFF
- ! entry->text_reloc_offset = N_DATOFF(hdr) + hdr.a_data;
- ! #else
- ! entry->text_reloc_offset = N_TXTOFF(hdr) + hdr.a_text + hdr.a_data;
- ! #endif
- ! #endif
- !
- ! if (entry->just_syms_flag)
- ! entry->orig_data_address = N_DATADDR(hdr);
- ! else
- ! entry->orig_data_address = entry->text_size;
- ! entry->data_size = hdr.a_data;
- ! #ifdef N_DATOFF
- ! entry->data_offset = N_DATOFF(hdr);
- ! #else
- ! entry->data_offset = N_TXTOFF(hdr) + hdr.a_text;
- ! #endif
- !
- ! entry->data_reloc_size = hdr.a_drsize;
- ! #ifdef N_DRELOFF
- ! entry->data_reloc_offset = N_DRELOFF(hdr);
- ! #else
- ! entry->data_reloc_offset = entry->text_reloc_offset + entry->text_reloc_size;
- ! #endif
- !
- ! #ifdef N_BSSADDR
- ! if (entry->just_syms_flag)
- ! entry->orig_bss_address = N_BSSADDR(hdr);
- ! else
- ! #endif
- ! entry->orig_bss_address = entry->orig_data_address + entry->data_size;
- ! entry->bss_size = hdr.a_bss;
- !
- ! entry->syms_size = hdr.a_syms;
- ! entry->syms_offset = N_SYMOFF(hdr);
- ! entry->strs_offset = N_STROFF(hdr);
- ! lseek(desc, entry->starting_offset + entry->strs_offset, 0);
- ! if (read(desc, (char *) &entry->strs_size, sizeof (unsigned long int))
- ! != sizeof (unsigned long int))
- ! fatal_with_file ("failure reading string table size of ", entry);
- !
- ! if (!entry->superfile)
- ! {
- ! fstat(desc, &st);
- ! if (st.st_size > entry->strs_offset + entry->strs_size)
- ! {
- ! entry->symseg_size = st.st_size - (entry->strs_offset + entry->strs_size);
- ! entry->symseg_offset = entry->strs_offset + entry->strs_size;
- ! }
- ! }
- ! else
- ! if (entry->total_size > entry->strs_offset + entry->strs_size)
- ! {
- ! entry->symseg_size = entry->total_size - (entry->strs_offset + entry->strs_size);
- ! entry->symseg_offset = entry->strs_offset + entry->strs_size;
- ! }
- ! }
- ! #endif
- !
- ! #ifdef MACH_O
- ! /* Read a Mach-O file's header. DESC is the descriptor on which the
- ! file is open, and ENTRY is the file's entry. */
- ! void
- ! read_mach_o_header (desc, entry)
- ! int desc;
- ! struct file_entry *entry;
- ! {
- ! struct mach_header mach_header;
- ! char *hdrbuf;
- ! struct load_command *load_command;
- ! struct segment_command *segment_command;
- ! struct section *section;
- ! struct symtab_command *symtab_command;
- ! #ifdef LC_SYMSEG
- ! struct symseg_command *symseg_command;
- ! #endif;
- ! int ordinal;
- ! int symtab_seen, symseg_seen;
- ! int len, cmd, seg;
- !
- ! entry->text_ordinal = entry->data_ordinal = entry->bss_ordinal = 0;
- ! symtab_seen = symseg_seen = 0;
- ! ordinal = 1;
- !
- ! lseek (desc, entry->starting_offset, 0);
- ! len = read (desc, (char *) &mach_header, sizeof (struct mach_header));
- ! if (len != sizeof (struct mach_header))
- ! fatal_with_file ("failure reading Mach-O header of ", entry);
- ! if (mach_header.filetype != MH_OBJECT && mach_header.filetype != MH_EXECUTE)
- ! fatal_with_file ("unsupported Mach-O file type (not MH_OBJECT or MH_EXECUTE) in ", entry);
- ! hdrbuf = xmalloc (mach_header.sizeofcmds);
- ! len = read (desc, hdrbuf, mach_header.sizeofcmds);
- ! if (len != mach_header.sizeofcmds)
- ! fatal_with_file ("failure reading Mach-O load commands of ", entry);
- ! load_command = (struct load_command *) hdrbuf;
- ! for (cmd = 0; cmd < mach_header.ncmds; ++cmd)
- ! {
- ! switch (load_command->cmd)
- ! {
- ! case LC_SEGMENT:
- ! segment_command = (struct segment_command *) load_command;
- ! section = (struct section *) ((char *) (segment_command + 1));
- ! for (seg = 0; seg < segment_command->nsects; ++seg, ++section, ++ordinal)
- ! {
- ! if (!strncmp(SECT_TEXT, section->sectname, sizeof section->sectname))
- ! if (entry->text_ordinal)
- ! fatal_with_file ("more than one __text section in ", entry);
- ! else
- ! {
- ! entry->text_ordinal = ordinal;
- ! entry->orig_text_address = section->addr;
- ! entry->text_size = section->size;
- ! entry->text_offset = section->offset;
- ! entry->text_reloc_size = section->nreloc * sizeof (struct relocation_info);
- ! entry->text_reloc_offset = section->reloff;
- ! }
- ! else if (!strncmp(SECT_DATA, section->sectname, sizeof section->sectname))
- ! if (entry->data_ordinal)
- ! fatal_with_file ("more than one __data section in ", entry);
- ! else
- ! {
- ! entry->data_ordinal = ordinal;
- ! entry->orig_data_address = section->addr;
- ! entry->data_size = section->size;
- ! entry->data_offset = section->offset;
- ! entry->data_reloc_size = section->nreloc * sizeof (struct relocation_info);
- ! entry->data_reloc_offset = section->reloff;
- ! }
- ! else if (!strncmp(SECT_BSS, section->sectname, sizeof section->sectname))
- ! if (entry->bss_ordinal)
- ! fatal_with_file ("more than one __bss section in ", entry);
- ! else
- ! {
- ! entry->bss_ordinal = ordinal;
- ! entry->orig_bss_address = section->addr;
- ! entry->bss_size = section->size;
- ! }
- ! else
- ! if (section->size != 0)
- ! fprintf (stderr, "%s: warning: unknown section `%.*s' in %s\n",
- ! progname, sizeof section->sectname, section->sectname,
- ! entry->filename);
- ! }
- ! break;
- ! case LC_SYMTAB:
- ! if (symtab_seen)
- ! fatal_with_file ("more than one LC_SYMTAB in ", entry);
- ! else
- ! {
- ! symtab_seen = 1;
- ! symtab_command = (struct symtab_command *) load_command;
- ! entry->syms_size = symtab_command->nsyms * sizeof (struct nlist);
- ! entry->syms_offset = symtab_command->symoff;
- ! entry->strs_size = symtab_command->strsize;
- ! entry->strs_offset = symtab_command->stroff;
- ! }
- ! break;
- ! #ifdef LC_SYMSEG
- ! case LC_SYMSEG:
- ! if (symseg_seen)
- ! fatal_with_file ("more than one LC_SYMSEG in ", entry);
- ! else
- ! {
- ! symseg_seen = 1;
- ! symseg_command = (struct symseg_command *) load_command;
- ! entry->symseg_size = symseg_command->size;
- ! entry->symseg_offset = symseg_command->offset;
- ! }
- ! break;
- ! #endif
- ! }
- ! load_command = (struct load_command *)
- ! ((char *) load_command + load_command->cmdsize);
- ! }
- !
- ! free (hdrbuf);
- !
- ! if (!symtab_seen)
- ! fprintf (stderr, "%s: no symbol table in %s\n", progname, entry->filename);
- ! }
- ! #endif
- !
- ! /* Read a file's header info into the proper place in the file_entry.
- DESC is the descriptor on which the file is open.
- ! ENTRY is the file's entry.
- ! Switch in the file_type to determine the appropriate actual
- ! header reading routine to call. */
-
- void
- read_header (desc, entry)
- ***************
- *** 1589,1611 ****
- int desc;
- register struct file_entry *entry;
- {
- ! register int len;
- ! struct exec *loc = (struct exec *) &entry->header;
-
- ! lseek (desc, entry->starting_offset, 0);
- ! len = read (desc, loc, sizeof (struct exec));
- ! if (len != sizeof (struct exec))
- ! fatal_with_file ("failure reading header of ", entry);
- ! if (N_BADMAG (*loc))
- ! fatal_with_file ("bad magic number in ", entry);
-
- entry->header_read_flag = 1;
- }
-
- /* Read the symbols of file ENTRY into core.
- ! Assume it is already open, on descriptor DESC.
- ! Also read the length of the string table, which follows the symbol table,
- ! but don't read the contents of the string table. */
-
- void
- read_entry_symbols (desc, entry)
- --- 1972,2009 ----
- int desc;
- register struct file_entry *entry;
- {
- ! if (!entry->file_type)
- ! deduce_file_type (desc, entry);
-
- ! switch (entry->file_type)
- ! {
- ! case IS_ARCHIVE:
- ! default:
- ! /* Should never happen. */
- ! abort ();
- !
- ! #ifdef A_OUT
- ! case IS_A_OUT:
- ! read_a_out_header (desc, entry);
- ! break;
- ! #endif
- !
- ! #ifdef MACH_O
- ! case IS_MACH_O:
- ! read_mach_o_header (desc, entry);
- ! break;
- ! #endif
- ! }
-
- entry->header_read_flag = 1;
- }
-
- + #ifdef MACH_O
- + void translate_mach_o_symbols ();
- + #endif
- +
- /* Read the symbols of file ENTRY into core.
- ! Assume it is already open, on descriptor DESC. */
-
- void
- read_entry_symbols (desc, entry)
- ***************
- *** 1617,1638 ****
- if (!entry->header_read_flag)
- read_header (desc, entry);
-
- ! entry->symbols = (struct nlist *) xmalloc (entry->header.a_syms);
-
- ! lseek (desc, N_SYMOFF (entry->header) + entry->starting_offset, 0);
- ! if (entry->header.a_syms != read (desc, entry->symbols, entry->header.a_syms))
- fatal_with_file ("premature end of file in symbols of ", entry);
-
- ! lseek (desc, N_STROFF (entry->header) + entry->starting_offset, 0);
- ! if (sizeof str_size != read (desc, &str_size, sizeof str_size))
- ! fatal_with_file ("bad string table size in ", entry);
- !
- ! entry->string_size = str_size;
- }
-
- /* Read the string table of file ENTRY into core.
- ! Assume it is already open, on descriptor DESC.
- ! Also record whether a GDB symbol segment follows the string table. */
-
- void
- read_entry_strings (desc, entry)
- --- 2015,2034 ----
- if (!entry->header_read_flag)
- read_header (desc, entry);
-
- ! entry->symbols = (struct nlist *) xmalloc (entry->syms_size);
-
- ! lseek (desc, entry->syms_offset + entry->starting_offset, 0);
- ! if (entry->syms_size != read (desc, entry->symbols, entry->syms_size))
- fatal_with_file ("premature end of file in symbols of ", entry);
-
- ! #ifdef MACH_O
- ! if (entry->file_type == IS_MACH_O)
- ! translate_mach_o_symbols (entry);
- ! #endif
- }
-
- /* Read the string table of file ENTRY into core.
- ! Assume it is already open, on descriptor DESC. */
-
- void
- read_entry_strings (desc, entry)
- ***************
- *** 1644,1671 ****
- if (!entry->header_read_flag)
- read_header (desc, entry);
-
- ! lseek (desc, N_STROFF (entry->header) + entry->starting_offset, 0);
- ! if (entry->string_size != read (desc, entry->strings, entry->string_size))
- fatal_with_file ("premature end of file in strings of ", entry);
- -
- - /* While we are here, see if the file has a symbol segment at the end.
- - For a separate file, just try reading some more.
- - For a library member, compare current pos against total size. */
- - if (entry->superfile)
- - {
- - if (entry->total_size == N_STROFF (entry->header) + entry->string_size)
- - return;
- - }
- - else
- - {
- - buffer = read (desc, &buffer, sizeof buffer);
- - if (buffer == 0)
- - return;
- - if (buffer != sizeof buffer)
- - fatal_with_file ("premature end of file in GDB symbol segment of ", entry);
- - }
- -
- - entry->symseg_offset = N_STROFF (entry->header) + entry->string_size;
- }
-
- /* Read in the symbols of all input files. */
- --- 2040,2048 ----
- if (!entry->header_read_flag)
- read_header (desc, entry);
-
- ! lseek (desc, entry->strs_offset + entry->starting_offset, 0);
- ! if (entry->strs_size != read (desc, entry->strings, entry->strs_size))
- fatal_with_file ("premature end of file in strings of ", entry);
- }
-
- /* Read in the symbols of all input files. */
- ***************
- *** 1698,1730 ****
- register struct file_entry *entry;
- {
- register int desc;
- - register int len;
- - struct exec hdr;
-
- desc = file_open (entry);
-
- ! len = read (desc, &hdr, sizeof hdr);
- ! if (len != sizeof hdr)
- ! fatal_with_file ("failure reading header of ", entry);
-
- ! if (!N_BADMAG (hdr))
- {
- read_entry_symbols (desc, entry);
- ! entry->strings = (char *) alloca (entry->string_size);
- read_entry_strings (desc, entry);
- enter_file_symbols (entry);
- entry->strings = 0;
- }
- - else
- - {
- - char armag[SARMAG];
- -
- - lseek (desc, 0, 0);
- - if (SARMAG != read (desc, armag, SARMAG) || strncmp (armag, ARMAG, SARMAG))
- - fatal_with_file ("malformed input file (not rel or archive) ", entry);
- - entry->library_flag = 1;
- - search_library (desc, entry);
- - }
-
- file_close ();
- }
- --- 2075,2099 ----
- register struct file_entry *entry;
- {
- register int desc;
-
- desc = file_open (entry);
-
- ! if (!entry->file_type)
- ! deduce_file_type (desc, entry);
-
- ! if (entry->file_type == IS_ARCHIVE)
- ! {
- ! entry->library_flag = 1;
- ! search_library (desc, entry);
- ! }
- ! else
- {
- read_entry_symbols (desc, entry);
- ! entry->strings = (char *) alloca (entry->strs_size);
- read_entry_strings (desc, entry);
- enter_file_symbols (entry);
- entry->strings = 0;
- }
-
- file_close ();
- }
- ***************
- *** 1737,1744 ****
- {
- register struct nlist
- *p,
- ! *end = entry->symbols + entry->header.a_syms / sizeof (struct nlist);
- ! int lowest_set_vector = -1;
-
- if (trace_files) prline_file_name (entry, stderr);
-
- --- 2106,2112 ----
- {
- register struct nlist
- *p,
- ! *end = entry->symbols + entry->syms_size / sizeof (struct nlist);
-
- if (trace_files) prline_file_name (entry, stderr);
-
- ***************
- *** 1752,1758 ****
- if (SET_ELEMENT_P (p->n_type))
- {
- set_symbol_count++;
- ! if (!relocatable_output)
- enter_global_ref (p, p->n_un.n_strx + entry->strings, entry);
- }
- else if (p->n_type == N_WARNING)
- --- 2120,2126 ----
- if (SET_ELEMENT_P (p->n_type))
- {
- set_symbol_count++;
- ! if (output_style != OUTPUT_RELOCATABLE)
- enter_global_ref (p, p->n_un.n_strx + entry->strings, entry);
- }
- else if (p->n_type == N_WARNING)
- ***************
- *** 1862,1869 ****
- --- 2230,2242 ----
- /* Indirect symbols value should be modified to point
- a symbol being equivalenced to. */
- nlist_p->n_value
- + #ifndef NeXT
- = (unsigned int) getsym ((nlist_p + 1)->n_un.n_strx
- + entry->strings);
- + #else
- + /* NeXT also has indirection but they do it weirdly. */
- + = (unsigned int) getsym (nlist_p->n_value + entry->strings);
- + #endif
- if ((symbol *) nlist_p->n_value == sp)
- {
- /* Somebody redefined a symbol to be itself. */
- ***************
- *** 1909,1915 ****
- if (sp->trace)
- {
- register char *reftype;
- ! switch (type & N_TYPE)
- {
- case N_UNDF:
- if (nlist_p->n_value)
- --- 2282,2288 ----
- if (sp->trace)
- {
- register char *reftype;
- ! switch (type & ~N_EXT)
- {
- case N_UNDF:
- if (nlist_p->n_value)
- ***************
- *** 1954,1964 ****
- break;
-
- case N_INDR:
- ! reftype = (char *) alloca (23
- ! + strlen ((nlist_p + 1)->n_un.n_strx
- ! + entry->strings));
- sprintf (reftype, "defined equivalent to %s",
- ! (nlist_p + 1)->n_un.n_strx + entry->strings);
- break;
-
- #ifdef sequent
- --- 2327,2335 ----
- break;
-
- case N_INDR:
- ! reftype = (char *) alloca (23 + strlen (((symbol *) nlist_p->n_value)->name));
- sprintf (reftype, "defined equivalent to %s",
- ! ((symbol *) nlist_p->n_value)->name);
- break;
-
- #ifdef sequent
- ***************
- *** 1975,1984 ****
- reftype = "shared BSS";
- break;
- */
- default:
- reftype = "I don't know this type";
- break;
- - #endif
- }
-
- fprintf (stderr, "symbol %s %s in ", sp->name, reftype);
- --- 2346,2356 ----
- reftype = "shared BSS";
- break;
- */
- + #endif
- +
- default:
- reftype = "I don't know this type";
- break;
- }
-
- fprintf (stderr, "symbol %s %s in ", sp->name, reftype);
- ***************
- *** 1998,2004 ****
- {
- if (n_ptr >= entry->symbols &&
- n_ptr < (entry->symbols
- ! + (entry->header.a_syms / sizeof (struct nlist))))
- return (unsigned long) entry;
- return 0;
- }
- --- 2370,2376 ----
- {
- if (n_ptr >= entry->symbols &&
- n_ptr < (entry->symbols
- ! + (entry->syms_size / sizeof (struct nlist))))
- return (unsigned long) entry;
- return 0;
- }
- ***************
- *** 2205,2211 ****
- + symdef_base[i].symbol_name_string_index,
- entry->filename);
- read_entry_symbols (desc, subentry);
- ! subentry->strings = (char *) malloc (subentry->string_size);
- read_entry_strings (desc, subentry);
-
- /* Now scan the symbol table and decide whether to load. */
- --- 2577,2583 ----
- + symdef_base[i].symbol_name_string_index,
- entry->filename);
- read_entry_symbols (desc, subentry);
- ! subentry->strings = xmalloc (subentry->strs_size);
- read_entry_strings (desc, subentry);
-
- /* Now scan the symbol table and decide whether to load. */
- ***************
- *** 2213,2218 ****
- --- 2585,2591 ----
- if (!subfile_wanted_p (subentry))
- {
- free (subentry->symbols);
- + free (subentry->strings);
- free (subentry);
- }
- else
- ***************
- *** 2238,2244 ****
- if (symdef_base[j].library_member_offset == offset)
- symdef_base[j].symbol_name_string_index = -1;
- }
- - }
-
- /* We'll read the strings again if we need them again. */
- free (subentry->strings);
- --- 2611,2616 ----
- ***************
- *** 2246,2251 ****
- --- 2618,2624 ----
- }
- }
- }
- + }
-
- free (symdef_data);
- }
- ***************
- *** 2258,2267 ****
- register struct file_entry *subentry;
- struct file_entry **prev_addr, *entry;
- {
- - register struct file_entry *prev = *prev_addr;
- -
- read_entry_symbols (desc, subentry);
- ! subentry->strings = (char *) alloca (subentry->string_size);
- read_entry_strings (desc, subentry);
-
- if (!subfile_wanted_p (subentry))
- --- 2631,2638 ----
- register struct file_entry *subentry;
- struct file_entry **prev_addr, *entry;
- {
- read_entry_symbols (desc, subentry);
- ! subentry->strings = (char *) alloca (subentry->strs_size);
- read_entry_strings (desc, subentry);
-
- if (!subfile_wanted_p (subentry))
- ***************
- *** 2273,2283 ****
- {
- enter_file_symbols (subentry);
-
- ! if (prev)
- ! prev->chain = subentry;
- else
- entry->subfiles = subentry;
- ! prev = subentry;
- subentry->strings = 0; /* Since space will dissapear on return */
- }
- }
- --- 2644,2654 ----
- {
- enter_file_symbols (subentry);
-
- ! if (*prev_addr)
- ! (*prev_addr)->chain = subentry;
- else
- entry->subfiles = subentry;
- ! *prev_addr = subentry;
- subentry->strings = 0; /* Since space will dissapear on return */
- }
- }
- ***************
- *** 2319,2325 ****
- {
- register struct nlist *p;
- register struct nlist *end
- ! = entry->symbols + entry->header.a_syms / sizeof (struct nlist);
- #ifdef DOLLAR_KLUDGE
- register int dollar_cond = 0;
- #endif
- --- 2690,2696 ----
- {
- register struct nlist *p;
- register struct nlist *end
- ! = entry->symbols + entry->syms_size / sizeof (struct nlist);
- #ifdef DOLLAR_KLUDGE
- register int dollar_cond = 0;
- #endif
- ***************
- *** 2367,2372 ****
- --- 2738,2745 ----
- if (!sp) continue;
-
- if ((sp->referenced && !sp->defined)
- + /* NB. This needs to be changed so that, e.g., "int pipe;" won't import
- + pipe() from the library. But the bug fix kingdon made was wrong. */
- || (sp->defined && sp->max_common_size))
- {
- /* This is a symbol we are looking for. It is either
- ***************
- *** 2423,2428 ****
- --- 2796,2807 ----
- if (trace_files)
- fprintf (stderr, "Digesting symbol information:\n\n");
-
- + /* Initialize the text_start address; this depends on the output file formats. */
- +
- + initialize_text_start ();
- +
- + text_size = text_header_size;
- +
- /* Compute total size of sections */
-
- each_file (consider_file_section_lengths, 0);
- ***************
- *** 2430,2463 ****
- /* If necessary, pad text section to full page in the file.
- Include the padding in the text segment size. */
-
- ! #ifdef NMAGIC
- ! if (magic == ZMAGIC || magic == NMAGIC)
- ! #else
- ! if (magic == ZMAGIC)
- ! #endif
- {
- ! int text_end = text_size + N_TXTOFF (outheader);
- ! text_pad = ((text_end + page_size - 1) & (- page_size)) - text_end;
- text_size += text_pad;
- }
-
- ! outheader.a_text = text_size;
- ! #ifdef sequent
- ! outheader.a_text += N_ADDRADJ (outheader);
- ! #endif
- !
- ! /* Make the data segment address start in memory on a suitable boundary. */
-
- ! if (! Tdata_flag_specified)
- ! data_start = N_DATADDR (outheader) + text_start - N_TXTADDR (outheader);
-
- /* Make sure bss starts out aligned as much as anyone can want. */
-
- ! data_size = (data_size + sizeof(double) - 1) & ~(sizeof(double)-1);
-
- /* Set up the set element vector */
-
- ! if (!relocatable_output)
- {
- /* The set sector size is the number of set elements + a word
- for each symbol for the length word at the beginning of the
- --- 2809,2836 ----
- /* If necessary, pad text section to full page in the file.
- Include the padding in the text segment size. */
-
- ! if (output_style == OUTPUT_READONLY_TEXT || output_style == OUTPUT_DEMAND_PAGED)
- {
- ! text_pad = ((text_size + page_size - 1) & (- page_size)) - text_size;
- text_size += text_pad;
- }
-
- ! /* Now that the text_size is known, initialize the data start address;
- ! this depends on text_size as well as the output file format. */
-
- ! initialize_data_start ();
-
- /* Make sure bss starts out aligned as much as anyone can want. */
- + {
- + int new_data_size = (data_size + sizeof(double) - 1) & ~(sizeof(double)-1);
-
- ! data_pad += new_data_size - data_size;
- ! data_size = new_data_size;
- ! }
-
- /* Set up the set element vector */
-
- ! if (output_style != OUTPUT_RELOCATABLE)
- {
- /* The set sector size is the number of set elements + a word
- for each symbol for the length word at the beginning of the
- ***************
- *** 2493,2499 ****
- {
- /* For each symbol */
- register struct nlist *p, *next;
- ! int defs = 0, com = sp->max_common_size, erred = 0;
- struct nlist *first_definition;
- for (p = sp->refs; p; p = next)
- {
- --- 2866,2872 ----
- {
- /* For each symbol */
- register struct nlist *p, *next;
- ! int defs = 0, com = sp->max_common_size;
- struct nlist *first_definition;
- for (p = sp->refs; p; p = next)
- {
- ***************
- *** 2501,2507 ****
-
- if (SET_ELEMENT_P (type))
- {
- ! if (relocatable_output)
- fatal ("internal: global ref to set element with -r");
- if (!defs++)
- {
- --- 2874,2880 ----
-
- if (SET_ELEMENT_P (type))
- {
- ! if (output_style == OUTPUT_RELOCATABLE)
- fatal ("internal: global ref to set element with -r");
- if (!defs++)
- {
- ***************
- *** 2535,2541 ****
- /* Allocate as common if defined as common and not defined for real */
- if (com && !defs)
- {
- ! if (!relocatable_output || force_common_definition)
- {
- int align = sizeof (int);
-
- --- 2908,2914 ----
- /* Allocate as common if defined as common and not defined for real */
- if (com && !defs)
- {
- ! if (output_style != OUTPUT_RELOCATABLE || force_common_definition)
- {
- int align = sizeof (int);
-
- ***************
- *** 2604,2629 ****
-
- bss_size = (bss_size + sizeof(double) - 1) & ~(sizeof(double)-1);
-
- ! if (end_symbol) /* These are null if -r. */
- {
- ! etext_symbol->value = text_size + text_start;
- ! edata_symbol->value = data_start + data_size;
- ! end_symbol->value = data_start + data_size + bss_size;
- }
-
- /* Figure the data_pad now, so that it overlaps with the bss addresses. */
-
- if (specified_data_size && specified_data_size > data_size)
- ! data_pad = specified_data_size - data_size;
-
- ! if (magic == ZMAGIC)
- ! data_pad = ((data_pad + data_size + page_size - 1) & (- page_size))
- ! - data_size;
-
- ! bss_size -= data_pad;
- if (bss_size < 0) bss_size = 0;
-
- ! data_size += data_pad;
- }
-
- /* Accumulate the section sizes of input file ENTRY
- --- 2977,3029 ----
-
- bss_size = (bss_size + sizeof(double) - 1) & ~(sizeof(double)-1);
-
- ! /* Give values to _end and friends. */
- {
- ! int end_value = data_start + data_size + bss_size;
- ! if (end_symbol)
- ! end_symbol->value = end_value;
- ! if (end_symbol_alt)
- ! end_symbol_alt->value = end_value;
- ! }
- !
- ! {
- ! int etext_value = text_size + text_start;
- ! if (etext_symbol)
- ! etext_symbol->value = etext_value;
- ! if (etext_symbol_alt)
- ! etext_symbol_alt->value = etext_value;
- ! }
- !
- ! {
- ! int edata_value = data_start + data_size;
- ! if (edata_symbol)
- ! edata_symbol->value = edata_value;
- ! if (edata_symbol_alt)
- ! edata_symbol_alt->value = edata_value;
- }
-
- /* Figure the data_pad now, so that it overlaps with the bss addresses. */
-
- + {
- + /* The amount of data_pad that we are computing now. This is the
- + part which overlaps with bss. What was computed previously
- + goes before bss. */
- + int data_pad_additional = 0;
- +
- if (specified_data_size && specified_data_size > data_size)
- ! data_pad_additional = specified_data_size - data_size;
-
- ! if (output_style == OUTPUT_DEMAND_PAGED)
- ! data_pad_additional =
- ! ((data_pad_additional + data_size + page_size - 1) & (- page_size)) - data_size;
-
- ! bss_size -= data_pad_additional;
- if (bss_size < 0) bss_size = 0;
-
- ! data_size += data_pad_additional;
- !
- ! data_pad += data_pad_additional;
- ! }
- }
-
- /* Accumulate the section sizes of input file ENTRY
- ***************
- *** 2638,2651 ****
-
- entry->text_start_address = text_size;
- /* If there were any vectors, we need to chop them off */
- ! text_size += entry->header.a_text;
- entry->data_start_address = data_size;
- ! data_size += entry->header.a_data;
- entry->bss_start_address = bss_size;
- ! bss_size += entry->header.a_bss;
-
- ! text_reloc_size += entry->header.a_trsize;
- ! data_reloc_size += entry->header.a_drsize;
- }
-
- /* Determine where the sections of ENTRY go into the output file,
- --- 3038,3051 ----
-
- entry->text_start_address = text_size;
- /* If there were any vectors, we need to chop them off */
- ! text_size += entry->text_size;
- entry->data_start_address = data_size;
- ! data_size += entry->data_size;
- entry->bss_start_address = bss_size;
- ! bss_size += entry->bss_size;
-
- ! text_reloc_size += entry->text_reloc_size;
- ! data_reloc_size += entry->data_reloc_size;
- }
-
- /* Determine where the sections of ENTRY go into the output file,
- ***************
- *** 2657,2665 ****
- register struct file_entry *entry;
- {
- entry->text_start_address += text_start;
- ! /* Note that `data_start' and `data_size' have not yet been
- ! adjusted for `data_pad'. If they had been, we would get the wrong
- ! results here. */
- entry->data_start_address += data_start;
- entry->bss_start_address += data_start + data_size;
-
- --- 3057,3066 ----
- register struct file_entry *entry;
- {
- entry->text_start_address += text_start;
- !
- ! /* Note that `data_start' and `data_size' have not yet been adjusted
- ! for the portion of data_pad which overlaps with bss. If they had
- ! been, we would get the wrong results here. */
- entry->data_start_address += data_start;
- entry->bss_start_address += data_start + data_size;
-
- ***************
- *** 2666,2697 ****
- {
- register struct nlist *p;
- register struct nlist *end
- ! = entry->symbols + entry->header.a_syms / sizeof (struct nlist);
-
- for (p = entry->symbols; p < end; p++)
- {
- /* If this belongs to a section, update it by the section's start address */
- ! register int type = p->n_type & N_TYPE;
-
- switch (type)
- {
- case N_TEXT:
- case N_SETT:
- ! p->n_value += entry->text_start_address;
- break;
- case N_DATA:
- case N_SETV:
- case N_SETD:
- ! /* A symbol whose value is in the data section
- ! is present in the input file as if the data section
- ! started at an address equal to the length of the file's text. */
- ! p->n_value += entry->data_start_address - entry->header.a_text;
- break;
- case N_BSS:
- case N_SETB:
- /* likewise for symbols with value in BSS. */
- ! p->n_value += entry->bss_start_address
- ! - entry->header.a_text - entry->header.a_data;
- break;
- }
- }
- --- 3067,3098 ----
- {
- register struct nlist *p;
- register struct nlist *end
- ! = entry->symbols + entry->syms_size / sizeof (struct nlist);
-
- for (p = entry->symbols; p < end; p++)
- {
- /* If this belongs to a section, update it by the section's start address */
- ! register int type = p->n_type & ~N_EXT;
-
- switch (type)
- {
- case N_TEXT:
- case N_SETT:
- ! p->n_value += entry->text_start_address - entry->orig_text_address;
- break;
- case N_DATA:
- case N_SETV:
- case N_SETD:
- ! /* Data segment symbol. Subtract the address of the
- ! data segment in the input file, and add the address
- ! of this input file's data segment in the output file. */
- ! p->n_value +=
- ! entry->data_start_address - entry->orig_data_address;
- break;
- case N_BSS:
- case N_SETB:
- /* likewise for symbols with value in BSS. */
- ! p->n_value += entry->bss_start_address - entry->orig_bss_address;
- break;
- }
- }
- ***************
- *** 2742,2750 ****
- fprintf (outfile, " symbols only\n", 0);
- else
- fprintf (outfile, " text %x(%x), data %x(%x), bss %x(%x) hex\n",
- ! entry->text_start_address, entry->header.a_text,
- ! entry->data_start_address, entry->header.a_data,
- ! entry->bss_start_address, entry->header.a_bss);
- }
-
- void
- --- 3143,3151 ----
- fprintf (outfile, " symbols only\n", 0);
- else
- fprintf (outfile, " text %x(%x), data %x(%x), bss %x(%x) hex\n",
- ! entry->text_start_address, entry->text_size,
- ! entry->data_start_address, entry->data_size,
- ! entry->bss_start_address, entry->bss_size);
- }
-
- void
- ***************
- *** 2754,2762 ****
- {
- register struct nlist
- *p,
- ! *end = entry->symbols + entry->header.a_syms / sizeof (struct nlist);
-
- ! entry->strings = (char *) alloca (entry->string_size);
- read_entry_strings (file_open (entry), entry);
-
- fprintf (outfile, "\nLocal symbols of ");
- --- 3155,3163 ----
- {
- register struct nlist
- *p,
- ! *end = entry->symbols + entry->syms_size / sizeof (struct nlist);
-
- ! entry->strings = (char *) alloca (entry->strs_size);
- read_entry_strings (file_open (entry), entry);
-
- fprintf (outfile, "\nLocal symbols of ");
- ***************
- *** 2831,2837 ****
- current->filename = next->filename;
-
- while (++(next->sym) < (entry->symbols
- ! + entry->header.a_syms/sizeof (struct nlist)))
- {
- /* n_type is a char, and N_SOL, N_EINCL and N_BINCL are > 0x80, so
- * may look negative...therefore, must mask to low bits
- --- 3232,3238 ----
- current->filename = next->filename;
-
- while (++(next->sym) < (entry->symbols
- ! + entry->syms_size/sizeof (struct nlist)))
- {
- /* n_type is a char, and N_SOL, N_EINCL and N_BINCL are > 0x80, so
- * may look negative...therefore, must mask to low bits
- ***************
- *** 2891,2903 ****
-
- for (tmp = entry->symbols;
- tmp < (entry->symbols
- ! + entry->header.a_syms/sizeof (struct nlist));
- tmp++)
- if (tmp->n_type == (int) N_SO)
- break;
-
- if (tmp >= (entry->symbols
- ! + entry->header.a_syms/sizeof (struct nlist)))
- {
- /* I believe this translates to "We lose" */
- current->filename = next->filename = entry->filename;
- --- 3292,3304 ----
-
- for (tmp = entry->symbols;
- tmp < (entry->symbols
- ! + entry->syms_size/sizeof (struct nlist));
- tmp++)
- if (tmp->n_type == (int) N_SO)
- break;
-
- if (tmp >= (entry->symbols
- ! + entry->syms_size/sizeof (struct nlist)))
- {
- /* I believe this translates to "We lose" */
- current->filename = next->filename = entry->filename;
- ***************
- *** 2955,2961 ****
- int use_data_symbols;
-
- if (next->sym)
- ! use_data_symbols = (next->sym->n_type & N_TYPE) == N_DATA;
- else
- return current->line;
-
- --- 3356,3362 ----
- int use_data_symbols;
-
- if (next->sym)
- ! use_data_symbols = (next->sym->n_type & ~N_EXT) == N_DATA;
- else
- return current->line;
-
- ***************
- *** 3007,3013 ****
- *reloc_start = data_segment ? entry->datarel : entry->textrel,
- *reloc;
- int reloc_size
- ! = ((data_segment ? entry->header.a_drsize : entry->header.a_trsize)
- / sizeof (struct relocation_info));
- int start_of_segment
- = (data_segment ? entry->data_start_address : entry->text_start_address);
- --- 3408,3414 ----
- *reloc_start = data_segment ? entry->datarel : entry->textrel,
- *reloc;
- int reloc_size
- ! = ((data_segment ? entry->data_reloc_size : entry->text_reloc_size)
- / sizeof (struct relocation_info));
- int start_of_segment
- = (data_segment ? entry->data_start_address : entry->text_start_address);
- ***************
- *** 3014,3023 ****
- struct nlist *start_of_syms = entry->symbols;
- struct line_debug_entry *state_pointer
- = init_debug_scan (data_segment != 0, entry);
- ! register struct line_debug_entry
- ! *current = state_pointer,
- ! *next = state_pointer + 1,
- ! *source = state_pointer + 2;
- /* Assigned to generally static values; should not be written into. */
- char *errfmt;
- /* Assigned to alloca'd values cand copied into; should be freed
- --- 3415,3421 ----
- struct nlist *start_of_syms = entry->symbols;
- struct line_debug_entry *state_pointer
- = init_debug_scan (data_segment != 0, entry);
- ! register struct line_debug_entry *current = state_pointer;
- /* Assigned to generally static values; should not be written into. */
- char *errfmt;
- /* Assigned to alloca'd values cand copied into; should be freed
- ***************
- *** 3095,3102 ****
- /* If errfmt == 0, errmsg has already been defined. */
- if (errfmt != 0)
- {
- ! errmsg = (char *) xmalloc (strlen (errfmt) + strlen (g->name) + 1);
- ! sprintf (errmsg, errfmt, g->name, data_segment ? "data" : "text");
- }
-
- address_to_line (RELOC_ADDRESS (reloc) + start_of_segment,
- --- 3493,3506 ----
- /* If errfmt == 0, errmsg has already been defined. */
- if (errfmt != 0)
- {
- ! char *nm;
- !
- ! if (!demangler || !(nm = (*demangler)(g->name)))
- ! nm = g->name;
- ! errmsg = xmalloc (strlen (errfmt) + strlen (nm) + 1);
- ! sprintf (errmsg, errfmt, nm, data_segment ? "data" : "text");
- ! if (nm != g->name)
- ! free (nm);
- }
-
- address_to_line (RELOC_ADDRESS (reloc) + start_of_segment,
- ***************
- *** 3103,3112 ****
- state_pointer);
-
- if (current->line >=0)
- ! fprintf (outfile, "%s:%d: %s\n", current->filename,
- ! invalidate_line_number ? 0 : current->line, errmsg);
- else
- ! fprintf (outfile, "%s: %s\n", current->filename, errmsg);
-
- if (errfmt != 0)
- free (errmsg);
- --- 3507,3523 ----
- state_pointer);
-
- if (current->line >=0)
- ! {
- ! fprintf (outfile, "%s:%d (", current->filename,
- ! invalidate_line_number ? 0 : current->line);
- ! print_file_name (entry, outfile);
- ! fprintf (outfile, "): %s\n", errmsg);
- ! }
- else
- ! {
- ! print_file_name(entry, outfile);
- ! fprintf(outfile, ": %s\n", errmsg);
- ! }
-
- if (errfmt != 0)
- free (errmsg);
- ***************
- *** 3124,3130 ****
- struct file_entry *entry;
- FILE *outfile;
- {
- ! int number_of_syms = entry->header.a_syms / sizeof (struct nlist);
- unsigned char *nlist_bitvector
- = (unsigned char *) alloca ((number_of_syms >> 3) + 1);
- struct line_debug_entry *text_scan, *data_scan;
- --- 3535,3541 ----
- struct file_entry *entry;
- FILE *outfile;
- {
- ! int number_of_syms = entry->syms_size / sizeof (struct nlist);
- unsigned char *nlist_bitvector
- = (unsigned char *) alloca ((number_of_syms >> 3) + 1);
- struct line_debug_entry *text_scan, *data_scan;
- ***************
- *** 3140,3146 ****
- {
- int desc;
-
- ! entry->strings = (char *) alloca (entry->string_size);
- desc = file_open (entry);
- read_entry_strings (desc, entry);
- }
- --- 3551,3557 ----
- {
- int desc;
-
- ! entry->strings = (char *) alloca (entry->strs_size);
- desc = file_open (entry);
- read_entry_strings (desc, entry);
- }
- ***************
- *** 3229,3242 ****
- continue;
-
- if (line_number == -1)
- ! fprintf (outfile, "%s: ", entry->filename);
- else
- ! fprintf (outfile, "%s:%d: ", file_name, line_number);
-
- if (dont_allow_symbol_name)
- fprintf (outfile, "%s", errfmt);
- else
- fprintf (outfile, errfmt, g->name);
-
- fputc ('\n', outfile);
- }
- --- 3640,3670 ----
- continue;
-
- if (line_number == -1)
- ! {
- ! print_file_name (entry, outfile);
- ! fprintf (outfile, ": ");
- ! }
- else
- ! {
- ! fprintf (outfile, "%s:%d (", file_name, line_number);
- ! print_file_name (entry, outfile);
- ! fprintf (outfile, "): ");
- ! }
-
- if (dont_allow_symbol_name)
- fprintf (outfile, "%s", errfmt);
- else
- + {
- + char *nm;
- +
- + if (!demangler || !(nm = (*demangler)(g->name)))
- fprintf (outfile, errfmt, g->name);
- + else
- + {
- + fprintf (outfile, errfmt, nm);
- + free (nm);
- + }
- + }
-
- fputc ('\n', outfile);
- }
- ***************
- *** 3248,3256 ****
- do_warnings (outfile)
- FILE *outfile;
- {
- ! int i;
- !
- ! list_unresolved_refs = !relocatable_output && undefined_global_sym_count;
- list_warning_symbols = warning_count;
- list_multiple_defs = multiple_def_count != 0;
-
- --- 3676,3682 ----
- do_warnings (outfile)
- FILE *outfile;
- {
- ! list_unresolved_refs = output_style != OUTPUT_RELOCATABLE && undefined_global_sym_count;
- list_warning_symbols = warning_count;
- list_multiple_defs = multiple_def_count != 0;
-
- ***************
- *** 3266,3326 ****
- make_executable = 0;
- }
-
- ! /* Write the output file */
- !
- ! void
- ! write_output ()
- ! {
- ! struct stat statbuf;
- ! int filemode;
- !
- ! outdesc = open (output_filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
- ! if (outdesc < 0) perror_name (output_filename);
-
- ! if (fstat (outdesc, &statbuf) < 0)
- ! perror_name (output_filename);
-
- ! filemode = statbuf.st_mode;
-
- ! chmod (output_filename, filemode & ~0111);
-
- ! /* Output the a.out header. */
- ! write_header ();
-
- ! /* Output the text and data segments, relocating as we go. */
- ! write_text ();
- ! write_data ();
-
- ! /* Output the merged relocation info, if requested with `-r'. */
- ! if (relocatable_output)
- ! write_rel ();
-
- ! /* Output the symbol table (both globals and locals). */
- ! write_syms ();
-
- ! /* Copy any GDB symbol segments from input files. */
- ! write_symsegs ();
-
- ! close (outdesc);
-
- ! if (chmod (output_filename, filemode | 0111) == -1)
- ! perror_name (output_filename);
- }
- !
- ! void modify_location (), perform_relocation (), copy_text (), copy_data ();
-
- void
- ! write_header ()
- {
- - N_SET_MAGIC (outheader, magic);
- outheader.a_text = text_size;
- #ifdef sequent
- outheader.a_text += N_ADDRADJ (outheader);
- #endif
- outheader.a_data = data_size;
- outheader.a_bss = bss_size;
- outheader.a_entry = (entry_symbol ? entry_symbol->value
- ! : text_start + entry_offset);
- #ifdef COFF_ENCAPSULATE
- if (need_coff_header)
- {
- --- 3692,3795 ----
- make_executable = 0;
- }
-
- ! #ifdef A_OUT
-
- ! /* Stuff pertaining to creating a.out files. */
-
- ! /* The a.out header. */
-
- ! struct exec outheader;
-
- ! #ifdef COFF_ENCAPSULATE
- ! int need_coff_header;
- ! struct coffheader coffheader;
- ! #endif
-
- ! /* Compute text_start and text_header_size for an a.out file. */
-
- ! void
- ! initialize_a_out_text_start ()
- ! {
- ! int magic;
-
- ! switch (output_style)
- ! {
- ! case OUTPUT_RELOCATABLE:
- ! case OUTPUT_WRITABLE_TEXT:
- ! magic = OMAGIC;
- ! break;
- ! case OUTPUT_READONLY_TEXT:
- ! #ifdef NMAGIC
- ! magic = NMAGIC;
- ! break;
- ! #endif
- ! case OUTPUT_DEMAND_PAGED:
- ! magic = ZMAGIC;
- ! break;
- ! default:
- ! fatal ("unknown output style found (bug in ld)", (char *) 0);
- ! break;
- ! }
-
- ! /* Determine whether to count the header as part of
- ! the text size, and initialize the text size accordingly.
- ! This depends on the kind of system and on the output format selected. */
- ! N_SET_MAGIC (outheader, magic);
- ! #ifdef INITIALIZE_HEADER
- ! INITIALIZE_HEADER;
- ! #endif
-
- ! text_header_size = sizeof (struct exec);
- ! #ifdef COFF_ENCAPSULATE
- ! /* Don't write the coff header for the output of ld -A (since
- ! it is not executable by the kernel anyway). */
- ! if (output_style != OUTPUT_RELOCATABLE && !file_table[0].just_syms_flag)
- ! {
- ! need_coff_header = 1;
- ! /* set this flag now, since it will change the values of N_TXTOFF, etc */
- ! N_SET_FLAGS (outheader, N_FLAGS_COFF_ENCAPSULATE);
- ! text_header_size += sizeof (struct coffheader);
- ! }
- ! #endif
- ! if (text_header_size <= N_TXTOFF (outheader))
- ! text_header_size = 0;
- ! else
- ! text_header_size -= N_TXTOFF (outheader);
- !
- ! #ifdef _N_BASEADDR
- ! /* SunOS 4.1 N_TXTADDR depends on the value of outheader.a_entry. */
- ! outheader.a_entry = N_PAGSIZ(outheader);
- ! #endif
-
- ! if (!T_flag_specified && output_style != OUTPUT_RELOCATABLE)
- ! text_start = N_TXTADDR (outheader);
- }
- !
- ! /* Compute data_start once text_size is known. */
-
- void
- ! initialize_a_out_data_start ()
- {
- outheader.a_text = text_size;
- #ifdef sequent
- outheader.a_text += N_ADDRADJ (outheader);
- + if (entry_symbol == 0)
- + entry_symbol = getsym ("start");
- #endif
- + if (! Tdata_flag_specified)
- + data_start = N_DATADDR (outheader) + text_start - N_TXTADDR (outheader);
- + }
- +
- + /* Compute offsets of various pieces of the a.out output file. */
- +
- + void
- + compute_a_out_section_offsets ()
- + {
- outheader.a_data = data_size;
- outheader.a_bss = bss_size;
- outheader.a_entry = (entry_symbol ? entry_symbol->value
- ! : text_start + text_header_size);
- !
- #ifdef COFF_ENCAPSULATE
- if (need_coff_header)
- {
- ***************
- *** 3384,3393 ****
- }
- #endif
-
- - #ifdef INITIALIZE_HEADER
- - INITIALIZE_HEADER;
- - #endif
- -
- if (strip_symbols == STRIP_ALL)
- nsyms = 0;
- else
- --- 3853,3858 ----
- ***************
- *** 3399,3406 ****
- else if (discard_locals == DISCARD_NONE)
- nsyms += local_sym_count;
- /* One extra for following reference on indirects */
- ! if (relocatable_output)
- nsyms += set_symbol_count + global_indirect_count;
- }
-
- if (strip_symbols == STRIP_NONE)
- --- 3864,3875 ----
- else if (discard_locals == DISCARD_NONE)
- nsyms += local_sym_count;
- /* One extra for following reference on indirects */
- ! if (output_style == OUTPUT_RELOCATABLE)
- ! #ifndef NeXT
- nsyms += set_symbol_count + global_indirect_count;
- + #else
- + nsyms += set_symbol_count;
- + #endif
- }
-
- if (strip_symbols == STRIP_NONE)
- ***************
- *** 3408,3414 ****
-
- outheader.a_syms = nsyms * sizeof (struct nlist);
-
- ! if (relocatable_output)
- {
- outheader.a_trsize = text_reloc_size;
- outheader.a_drsize = data_reloc_size;
- --- 3877,3883 ----
-
- outheader.a_syms = nsyms * sizeof (struct nlist);
-
- ! if (output_style == OUTPUT_RELOCATABLE)
- {
- outheader.a_trsize = text_reloc_size;
- outheader.a_drsize = data_reloc_size;
- ***************
- *** 3419,3428 ****
- --- 3888,3935 ----
- outheader.a_drsize = 0;
- }
-
- + /* Initialize the various file offsets. */
- +
- + output_text_offset = N_TXTOFF (outheader);
- + #ifdef N_DATOFF
- + output_data_offset = N_DATOFF (outheader);
- + #else
- + output_data_offset = output_text_offset + text_size;
- + #endif
- + #ifdef N_TRELOFF
- + output_trel_offset = N_TRELOFF (outheader);
- + #else
- + output_trel_offset = output_data_offset + data_size;
- + #endif
- + #ifdef N_DRELOFF
- + output_drel_offset = N_DRELOFF (outheader);
- + #else
- + output_drel_offset = output_trel_offset + text_reloc_size;
- + #endif
- + output_syms_offset = N_SYMOFF (outheader);
- + output_strs_offset = N_STROFF (outheader);
- + }
- +
- + /* Compute more section offsets once the size of the string table is known. */
- +
- + void
- + compute_more_a_out_section_offsets ()
- + {
- + output_symseg_offset = output_strs_offset + output_strs_size;
- + }
- +
- + /* Write the a.out header once everything else is known. */
- +
- + void
- + write_a_out_header ()
- + {
- + lseek (outdesc, 0L, 0);
- +
- #ifdef COFF_ENCAPSULATE
- if (need_coff_header)
- mywrite (&coffheader, sizeof coffheader, 1, outdesc);
- #endif
- +
- mywrite (&outheader, sizeof (struct exec), 1, outdesc);
-
- /* Output whatever padding is required in the executable file
- ***************
- *** 3432,3438 ****
- --- 3939,4570 ----
- padfile (N_TXTOFF (outheader) - sizeof outheader, outdesc);
- #endif
- }
- +
- + #endif
- +
- + #ifdef MACH_O
- +
- + /* Stuff pertaining to creating Mach-O files. */
- +
- + /* Convert the Mach-O style n_sect references into something the rest
- + of the loader can understand. */
- +
- + void
- + translate_mach_o_symbols (entry)
- + struct file_entry *entry;
- + {
- + int i, n, g;
- + struct nlist *sym;
- +
- + n = entry->syms_size / sizeof (struct nlist);
- + for (i = 0; i < n; ++i)
- + if (((sym = &entry->symbols[i])->n_type & ~N_EXT) == N_SECT)
- + {
- + if (sym->n_sect == entry->text_ordinal)
- + sym->n_type = (sym->n_type & N_EXT) | N_TEXT;
- + else if (sym->n_sect == entry->data_ordinal)
- + sym->n_type = (sym->n_type & N_EXT) | N_DATA;
- + else if (sym->n_sect == entry->bss_ordinal)
- + sym->n_type = (sym->n_type & N_EXT) | N_BSS;
- + else
- + fatal_with_file ("unknown section referenced in symbols of ", entry);
- + sym->n_sect = 0;
- + }
- + else if ((sym = &entry->symbols[i])->n_type == N_SLINE)
- + {
- + if (sym->n_sect == entry->text_ordinal)
- + sym->n_type = N_SLINE;
- + else if (sym->n_sect == entry->data_ordinal)
- + sym->n_type = N_DSLINE;
- + else if (sym->n_sect == entry->bss_ordinal)
- + sym->n_type = N_BSLINE;
- + else
- + fatal_with_file ("unknown section referenced in debugging symbols of ", entry);
- + }
- + }
- +
- + /* Convert Mach-O style relocation info into a.out style relocation
- + info internally. */
- + void
- + translate_mach_o_relocation (entry, reloc, count)
- + struct file_entry *entry;
- + struct relocation_info *reloc;
- + int count;
- + {
- + int i;
- +
- + for (i = 0; i < count; ++i)
- + if (!RELOC_EXTERN_P(&reloc[i]))
- + if (RELOC_TYPE(&reloc[i]) == R_ABS)
- + RELOC_TYPE(&reloc[i]) = N_ABS;
- + else if (RELOC_TYPE(&reloc[i]) == entry->text_ordinal)
- + RELOC_TYPE(&reloc[i]) = N_TEXT;
- + else if (RELOC_TYPE(&reloc[i]) == entry->data_ordinal)
- + RELOC_TYPE(&reloc[i]) = N_DATA;
- + else if (RELOC_TYPE(&reloc[i]) == entry->bss_ordinal)
- + RELOC_TYPE(&reloc[i]) = N_BSS;
- + else
- + fatal_with_file ("unknown section ordinal in relocation info of ", entry);
- + }
- +
- + /* Header structure for OUTPUT_RELOCATABLE. */
- +
- + struct
- + {
- + struct mach_header header;
- + struct segment_command segment;
- + struct section text;
- + struct section data;
- + struct section bss;
- + struct symtab_command symtab;
- + #ifdef LC_SYMSEG
- + struct symseg_command symseg;
- + #endif
- + } m_object;
- +
- + #ifdef NeXT
- + #define CPU_TYPE CPU_TYPE_MC68030
- + #define CPU_SUBTYPE CPU_SUBTYPE_NeXT
- + #define THREAD_FLAVOR NeXT_THREAD_STATE_REGS
- + #define THREAD_COUNT NeXT_THREAD_STATE_REGS_COUNT
- + typedef struct NeXT_thread_state_regs thread_state;
- + #define thread_state_entry_field pc
- + #endif
- +
- + /* Header structure for all executable output forms. */
- +
- + struct
- + {
- + struct mach_header header;
- + struct segment_command pagezero;
- + struct segment_command text_segment;
- + struct section text;
- + struct segment_command data_segment;
- + struct section data;
- + struct section bss;
- + struct thread_command unixthread;
- + unsigned long int flavor;
- + unsigned long int count;
- + thread_state state;
- + struct symtab_command symtab;
- + #ifdef LC_SYMSEG
- + struct symseg_command symseg;
- + #endif
- + } m_exec;
- +
- + /* Compute text_start and text_header_size for an a.out file. */
- +
- + void
- + initialize_mach_o_text_start ()
- + {
- + if (output_style != OUTPUT_RELOCATABLE)
- + {
- + text_header_size = sizeof m_exec;
- + if (!T_flag_specified && output_style != OUTPUT_RELOCATABLE)
- + /* We reserve the first page of an executable to trap NULL dereferences. */
- + text_start = page_size;
- + }
- + }
- +
- + /* Compute data_start once text_size is known. */
- +
- + void
- + initialize_mach_o_data_start ()
- + {
- + if (! Tdata_flag_specified)
- + data_start = text_start + text_size;
- + }
- +
- + /* Compute offsets of various pieces of the Mach-O output file. */
- + void
- + compute_mach_o_section_offsets ()
- + {
- + int header_size, trsize, drsize;
- +
- + switch (output_style)
- + {
- + case OUTPUT_RELOCATABLE:
- + header_size = sizeof m_object;
- + break;
- + default:
- + header_size = sizeof m_exec;
- + break;
- + }
- +
- + if (strip_symbols == STRIP_ALL)
- + nsyms = 0;
- + else
- + {
- + nsyms = (defined_global_sym_count
- + + undefined_global_sym_count);
- + if (discard_locals == DISCARD_L)
- + nsyms += non_L_local_sym_count;
- + else if (discard_locals == DISCARD_NONE)
- + nsyms += local_sym_count;
- + /* One extra for following reference on indirects */
- + if (output_style == OUTPUT_RELOCATABLE)
- + #ifndef NeXT
- + nsyms += set_symbol_count + global_indirect_count;
- + #else
- + nsyms += set_symbol_count;
- + #endif
- + }
- +
- + if (strip_symbols == STRIP_NONE)
- + nsyms += debugger_sym_count;
- +
- + if (output_style != OUTPUT_RELOCATABLE)
- + output_text_offset = header_size;
- + output_data_offset = output_text_offset + text_size;
- + output_trel_offset = output_data_offset + data_size;
- + if (output_style == OUTPUT_RELOCATABLE)
- + trsize = text_reloc_size, drsize = data_reloc_size;
- + else
- + trsize = drsize = 0;
- + output_drel_offset = output_trel_offset + trsize;
- + output_syms_offset = output_drel_offset + drsize;
- + output_strs_offset = output_syms_offset + nsyms * sizeof (struct nlist);
- + }
- +
- + /* Compute more section offsets once the size of the string table is known. */
- + void
- + compute_more_mach_o_section_offsets ()
- + {
- + output_symseg_offset = output_strs_offset + output_strs_size;
- + }
- +
- + /* Write the Mach-O header once everything else is known. */
- +
- + void
- + write_mach_o_header ()
- + {
- + struct mach_header header;
- + struct section text, data, bss;
- + struct symtab_command symtab;
- + #ifdef LC_SYMSEG
- + struct symseg_command symseg;
- + #endif
- + thread_state state;
- +
- + lseek (outdesc, 0L, 0);
- +
- +
- + header.magic = MH_MAGIC;
- + header.cputype = CPU_TYPE;
- + header.cpusubtype = CPU_SUBTYPE;
- + header.filetype = output_style == OUTPUT_RELOCATABLE ? MH_OBJECT : MH_EXECUTE;
- + #ifdef LC_SYMSEG
- + switch (output_style)
- + {
- + case OUTPUT_RELOCATABLE:
- + header.ncmds = 3;
- + header.sizeofcmds = sizeof m_object - sizeof header;
- + break;
- + default:
- + header.ncmds = 6;
- + header.sizeofcmds = sizeof m_exec - sizeof header;
- + break;
- + }
- + #else
- + switch (output_style)
- + {
- + case OUTPUT_RELOCATABLE:
- + header.ncmds = 2;
- + header.sizeofcmds = sizeof m_object - sizeof header;
- + break;
- + default:
- + header.ncmds = 5;
- + header.sizeofcmds = sizeof m_exec - sizeof header;
- + break;
- + }
- + #endif
- + header.flags = undefined_global_sym_count ? 0 : MH_NOUNDEFS;
- +
- + bzero((char *) &text, sizeof text);
- + strncpy(text.sectname, SECT_TEXT, sizeof text.sectname);
- + strncpy(text.segname, SEG_TEXT, sizeof text.segname);
- + text.addr = text_start;
- + text.size = text_size;
- + text.offset = output_text_offset;
- + text.align = text.addr % sizeof (double) ? sizeof (int) : sizeof (double);
- + text.reloff = output_trel_offset;
- + text.nreloc = output_style == OUTPUT_RELOCATABLE
- + ? text_reloc_size / sizeof (struct relocation_info) : 0;
- + text.flags = 0;
- +
- + bzero((char *) &data, sizeof data);
- + strncpy(data.sectname, SECT_DATA, sizeof data.sectname);
- + strncpy(data.segname, output_style == OUTPUT_WRITABLE_TEXT ? SEG_TEXT : SEG_DATA,
- + sizeof data.segname);
- + data.addr = data_start;
- + data.size = data_size;
- + data.offset = output_data_offset;
- + data.align = data.addr % sizeof (double) ? sizeof (int) : sizeof (double);
- + data.reloff = output_drel_offset;
- + data.nreloc = output_style == OUTPUT_RELOCATABLE
- + ? data_reloc_size / sizeof (struct relocation_info) : 0;
- + data.flags = 0;
- +
- + bzero((char *) &bss, sizeof bss);
- + strncpy(bss.sectname, SECT_BSS, sizeof data.sectname);
- + strncpy(bss.segname, output_style == OUTPUT_WRITABLE_TEXT ? SEG_TEXT : SEG_DATA,
- + sizeof bss.segname);
- + bss.addr = data_start + data_size;
- + bss.size = bss_size;
- + bss.align = bss.addr % sizeof (double) ? sizeof (int) : sizeof (double);
- + bss.reloff = 0;
- + bss.nreloc = 0;
- + bss.flags = S_ZEROFILL;
- +
- + symtab.cmd = LC_SYMTAB;
- + symtab.cmdsize = sizeof symtab;
- + symtab.symoff = output_syms_offset;
- + symtab.nsyms = output_syms_size / sizeof (struct nlist);
- + symtab.stroff = output_strs_offset;
- + symtab.strsize = output_strs_size;
- +
- + #ifdef LC_SYMSEG
- + symseg.cmd = LC_SYMSEG;
- + symseg.cmdsize = sizeof symseg;
- + symseg.offset = output_symseg_offset;
- + symseg.size = output_symseg_size;
- + #endif
- +
- + switch (output_style)
- + {
- + case OUTPUT_RELOCATABLE:
- + m_object.header = header;
- + m_object.segment.cmd = LC_SEGMENT;
- + m_object.segment.cmdsize = sizeof (struct segment_command) + 3 * sizeof (struct section);
- + strncpy(m_object.segment.segname, SEG_TEXT, sizeof m_object.segment.segname);
- + m_object.segment.vmaddr = 0;
- + m_object.segment.vmsize = text.size + data.size + bss.size;
- + m_object.segment.fileoff = text.offset;
- + m_object.segment.filesize = text.size + data.size;
- + m_object.segment.maxprot = VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE;
- + m_object.segment.initprot = VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE;
- + m_object.segment.nsects = 3;
- + m_object.segment.flags = 0;
- + m_object.text = text;
- + m_object.data = data;
- + m_object.bss = bss;
- + m_object.symtab = symtab;
- + #ifdef LC_SYMSEG
- + m_object.symseg = symseg;
- + #endif
- + mywrite((char *) &m_object, 1, sizeof m_object, outdesc);
- + break;
- +
- + default:
- + m_exec.header = header;
- + m_exec.pagezero.cmd = LC_SEGMENT;
- + m_exec.pagezero.cmdsize = sizeof (struct segment_command);
- + strncpy(m_exec.pagezero.segname, SEG_PAGEZERO, sizeof m_exec.pagezero.segname);
- + m_exec.pagezero.vmaddr = 0;
- + m_exec.pagezero.vmsize = page_size;
- + m_exec.pagezero.fileoff = 0;
- + m_exec.pagezero.filesize = 0;
- + m_exec.pagezero.maxprot = VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE;
- + m_exec.pagezero.initprot = 0;
- + m_exec.pagezero.nsects = 0;
- + m_exec.pagezero.flags = 0;
- + m_exec.text_segment.cmd = LC_SEGMENT;
- + m_exec.text_segment.cmdsize = sizeof (struct segment_command) + sizeof (struct section);
- + strncpy(m_exec.text_segment.segname, SEG_TEXT, sizeof m_exec.text_segment.segname);
- + m_exec.text_segment.vmaddr = text_start;
- + m_exec.text_segment.vmsize = text_size;
- + m_exec.text_segment.fileoff = output_text_offset;
- + m_exec.text_segment.filesize = text_size;
- + m_exec.text_segment.maxprot = VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE;
- + m_exec.text_segment.initprot = VM_PROT_READ | VM_PROT_EXECUTE;
- + if (output_style == OUTPUT_WRITABLE_TEXT)
- + m_exec.text_segment.initprot |= VM_PROT_WRITE;
- + m_exec.text_segment.nsects = 1;
- + m_exec.text_segment.flags = 0;
- + m_exec.text = text;
- + m_exec.data_segment.cmd = LC_SEGMENT;
- + m_exec.data_segment.cmdsize = sizeof (struct segment_command) + 2 * sizeof (struct section);
- + strncpy(m_exec.data_segment.segname, SEG_DATA, sizeof m_exec.data_segment.segname);
- + m_exec.data_segment.vmaddr = data_start;
- + m_exec.data_segment.vmsize = data_size + bss_size;
- + m_exec.data_segment.fileoff = output_data_offset;
- + m_exec.data_segment.filesize = data_size;
- + m_exec.data_segment.maxprot = VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE;
- + m_exec.data_segment.initprot = VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE;
- + m_exec.data_segment.nsects = 2;
- + m_exec.data_segment.flags = 0;
- + m_exec.data = data;
- + m_exec.bss = bss;
- + m_exec.unixthread.cmd = LC_UNIXTHREAD;
- + m_exec.unixthread.cmdsize
- + = sizeof (struct thread_command) + 2 * sizeof (long int) + sizeof (thread_state);
- + m_exec.flavor = THREAD_FLAVOR;
- + m_exec.count = THREAD_COUNT;
- + m_exec.state.thread_state_entry_field = entry_symbol
- + ? entry_symbol->value : text_start + text_header_size;
- + m_exec.symtab = symtab;
- + #ifdef LC_SYMSEG
- + m_exec.symseg = symseg;
- + #endif
- + mywrite((char *) &m_exec, 1, sizeof m_exec, outdesc);
- + break;
- + }
- + }
- +
- + /* Translate a.out style symbols into Mach-O style symbols. */
- +
- + void
- + generate_mach_o_symbols (syms, nsyms)
- + struct nlist *syms;
- + int nsyms;
- + {
- + int i;
- +
- + for (i = 0; i < nsyms; ++i)
- + switch (syms[i].n_type)
- + {
- + case N_TEXT:
- + case N_TEXT | N_EXT:
- + syms[i].n_type = syms[i].n_type & N_EXT | N_SECT;
- + syms[i].n_sect = 1; /* text section ordinal */
- + break;
- + case N_DATA:
- + case N_DATA | N_EXT:
- + syms[i].n_type = syms[i].n_type & N_EXT | N_SECT;
- + syms[i].n_sect = 2; /* data section ordinal */
- + break;
- + case N_BSS:
- + case N_BSS | N_EXT:
- + syms[i].n_type = syms[i].n_type & N_EXT | N_BSS;
- + syms[i].n_sect = 3; /* bss section ordinal */
- + break;
- + case N_SLINE:
- + syms[i].n_type = N_SLINE;
- + syms[i].n_sect = 1; /* text section ordinal */
- + break;
- + case N_DSLINE:
- + syms[i].n_type = N_SLINE;
- + syms[i].n_sect = 2; /* data section ordinal */
- + break;
- + case N_BSLINE:
- + syms[i].n_type = N_SLINE;
- + syms[i].n_sect = 3; /* bss section ordinal */
- + break;
- + }
- + }
- +
- + /* Translate a.out style relocation info into Mach-O style relocation
- + info. */
- +
- + void
- + generate_mach_o_relocations (reloc, nreloc)
- + struct relocation_info *reloc;
- + int nreloc;
- + {
- + int i;
- +
- + for (i = 0; i < nreloc; ++i)
- + if (!RELOC_EXTERN_P (&reloc[i]))
- + switch (RELOC_TYPE (&reloc[i]))
- + {
- + case N_ABS:
- + case N_ABS | N_EXT:
- + RELOC_TYPE (&reloc[i]) = R_ABS;
- + break;
- + case N_TEXT:
- + case N_TEXT | N_EXT:
- + RELOC_TYPE (&reloc[i]) = 1; /* output text section ordinal */
- + break;
- + case N_DATA:
- + case N_DATA | N_EXT:
- + RELOC_TYPE (&reloc[i]) = 2; /* output data section ordinal */
- + break;
- + case N_BSS:
- + case N_BSS | N_EXT:
- + RELOC_TYPE (&reloc[i]) = 3; /* output bss section ordinal */
- + break;
- + }
- + }
- +
- + #endif
- +
- + /* The following functions are simple switches according to the
- + output style. */
- +
- + /* Compute text_start and text_header_size as appropriate for the
- + output format. */
- +
- + void
- + initialize_text_start ()
- + {
- + #ifdef A_OUT
- + if (output_file_type == IS_A_OUT)
- + {
- + initialize_a_out_text_start ();
- + return;
- + }
- + #endif
- + #ifdef MACH_O
- + if (output_file_type == IS_MACH_O)
- + {
- + initialize_mach_o_text_start ();
- + return;
- + }
- + #endif
- + fatal ("unknown output file type (enum file_type)", (char *) 0);
- + }
- +
- + /* Initialize data_start as appropriate to the output format, once text_size
- + is known. */
- +
- + void
- + initialize_data_start ()
- + {
- + #ifdef A_OUT
- + if (output_file_type == IS_A_OUT)
- + {
- + initialize_a_out_data_start ();
- + return;
- + }
- + #endif
- + #ifdef MACH_O
- + if (output_file_type == IS_MACH_O)
- + {
- + initialize_mach_o_data_start ();
- + return;
- + }
- + #endif
- + fatal ("unknown output file type (enum file_type)", (char *) 0);
- + }
- +
- + /* Compute offsets of the various sections within the output file. */
- +
- + void
- + compute_section_offsets ()
- + {
- + #ifdef A_OUT
- + if (output_file_type == IS_A_OUT)
- + {
- + compute_a_out_section_offsets ();
- + return;
- + }
- + #endif
- + #ifdef MACH_O
- + if (output_file_type == IS_MACH_O)
- + {
- + compute_mach_o_section_offsets ();
- + return;
- + }
- + #endif
- + fatal ("unknown output file type (enum file_type)", (char *) 0);
- + }
- +
- + /* Compute more section offsets, once the size of the string table
- + is finalized. */
- + void
- + compute_more_section_offsets ()
- + {
- + #ifdef A_OUT
- + if (output_file_type == IS_A_OUT)
- + {
- + compute_more_a_out_section_offsets ();
- + return;
- + }
- + #endif
- + #ifdef MACH_O
- + if (output_file_type == IS_MACH_O)
- + {
- + compute_more_mach_o_section_offsets ();
- + return;
- + }
- + #endif
- + fatal ("unknown output file type (enum file_type)", (char *) 0);
- + }
- +
- + /* Write the output file header, once everything is known. */
- + void
- + write_header ()
- + {
- + #ifdef A_OUT
- + if (output_file_type == IS_A_OUT)
- + {
- + write_a_out_header ();
- + return;
- + }
- + #endif
- + #ifdef MACH_O
- + if (output_file_type == IS_MACH_O)
- + {
- + write_mach_o_header ();
- + return;
- + }
- + #endif
- + fatal ("unknown output file type (enum file_type)", (char *) 0);
- + }
- +
- + /* Write the output file */
- +
- + void
- + write_output ()
- + {
- + struct stat statbuf;
- + int filemode, mask;
- +
- + /* Remove the old file in case it is owned by someone else.
- + This prevents spurious "not owner" error messages.
- + Don't check for errors from unlink; we don't really care
- + whether it worked.
- +
- + Note that this means that if the output file is hard linked,
- + the other names will still have the old contents. This is
- + the way Unix ld works; I'm going to consider it a feature. */
- + (void) unlink (output_filename);
- +
- + outdesc = open (output_filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
- + if (outdesc < 0) perror_name (output_filename);
- +
- + if (fstat (outdesc, &statbuf) < 0)
- + perror_name (output_filename);
- +
- + filemode = statbuf.st_mode;
- +
- + chmod (output_filename, filemode & ~0111);
- +
- + /* Calculate the offsets of the various pieces of the output file. */
- + compute_section_offsets ();
- +
- + /* Output the text and data segments, relocating as we go. */
- + write_text ();
- + write_data ();
- +
- + /* Output the merged relocation info, if requested with `-r'. */
- + if (output_style == OUTPUT_RELOCATABLE)
- + write_rel ();
- +
- + /* Output the symbol table (both globals and locals). */
- + write_syms ();
- +
- + /* At this point the total size of the symbol table and string table
- + are finalized. */
- + compute_more_section_offsets ();
- +
- + /* Copy any GDB symbol segments from input files. */
- + write_symsegs ();
- +
- + /* Now that everything is known about the output file, write its header. */
- + write_header ();
- +
- + close (outdesc);
- +
- + mask = umask (0);
- + umask (mask);
- +
- + if (chmod (output_filename, filemode | (0111 & ~mask)) == -1)
- + perror_name (output_filename);
- + }
-
- + void modify_location (), perform_relocation (), copy_text (), copy_data ();
- +
- /* Relocate the text segment of each input file
- and write to the output file. */
-
- ***************
- *** 3442,3448 ****
- if (trace_files)
- fprintf (stderr, "Copying and relocating text:\n\n");
-
- ! each_full_file (copy_text);
- file_close ();
-
- if (trace_files)
- --- 4574,4582 ----
- if (trace_files)
- fprintf (stderr, "Copying and relocating text:\n\n");
-
- ! lseek (outdesc, output_text_offset + text_header_size, 0);
- !
- ! each_full_file (copy_text, 0);
- file_close ();
-
- if (trace_files)
- ***************
- *** 3451,3469 ****
- padfile (text_pad, outdesc);
- }
-
- - int
- - text_offset (entry)
- - struct file_entry *entry;
- - {
- - return entry->starting_offset + N_TXTOFF (entry->header);
- - }
- -
- /* Read in all of the relocation information */
-
- void
- read_relocation ()
- {
- ! each_full_file (read_file_relocation);
- }
-
- /* Read in the relocation sections of ENTRY if necessary */
- --- 4585,4596 ----
- padfile (text_pad, outdesc);
- }
-
- /* Read in all of the relocation information */
-
- void
- read_relocation ()
- {
- ! each_full_file (read_file_relocation, 0);
- }
-
- /* Read in the relocation sections of ENTRY if necessary */
- ***************
- *** 3479,3490 ****
- desc = -1;
- if (!entry->textrel)
- {
- ! reloc = (struct relocation_info *) xmalloc (entry->header.a_trsize);
- desc = file_open (entry);
- ! lseek (desc,
- ! text_offset (entry) + entry->header.a_text + entry->header.a_data,
- ! L_SET);
- ! if (entry->header.a_trsize != (read_return = read (desc, reloc, entry->header.a_trsize)))
- {
- fprintf (stderr, "Return from read: %d\n", read_return);
- fatal_with_file ("premature eof in text relocation of ", entry);
- --- 4606,4615 ----
- desc = -1;
- if (!entry->textrel)
- {
- ! reloc = (struct relocation_info *) xmalloc (entry->text_reloc_size);
- desc = file_open (entry);
- ! lseek (desc, entry->starting_offset + entry->text_reloc_offset, L_SET);
- ! if (entry->text_reloc_size != (read_return = read (desc, reloc, entry->text_reloc_size)))
- {
- fprintf (stderr, "Return from read: %d\n", read_return);
- fatal_with_file ("premature eof in text relocation of ", entry);
- ***************
- *** 3494,3509 ****
-
- if (!entry->datarel)
- {
- ! reloc = (struct relocation_info *) xmalloc (entry->header.a_drsize);
- if (desc == -1) desc = file_open (entry);
- ! lseek (desc,
- ! text_offset (entry) + entry->header.a_text
- ! + entry->header.a_data + entry->header.a_trsize,
- ! L_SET);
- ! if (entry->header.a_drsize != read (desc, reloc, entry->header.a_drsize))
- fatal_with_file ("premature eof in data relocation of ", entry);
- entry->datarel = reloc;
- }
- }
-
- /* Read the text segment contents of ENTRY, relocate them,
- --- 4619,4641 ----
-
- if (!entry->datarel)
- {
- ! reloc = (struct relocation_info *) xmalloc (entry->data_reloc_size);
- if (desc == -1) desc = file_open (entry);
- ! lseek (desc, entry->starting_offset + entry->data_reloc_offset, L_SET);
- ! if (entry->data_reloc_size != read (desc, reloc, entry->data_reloc_size))
- fatal_with_file ("premature eof in data relocation of ", entry);
- entry->datarel = reloc;
- }
- +
- + #ifdef MACH_O
- + if (entry->file_type == IS_MACH_O)
- + {
- + translate_mach_o_relocation (entry, entry->textrel,
- + entry->text_reloc_size / sizeof (struct relocation_info));
- + translate_mach_o_relocation (entry, entry->datarel,
- + entry->data_reloc_size / sizeof (struct relocation_info));
- + }
- + #endif
- }
-
- /* Read the text segment contents of ENTRY, relocate them,
- ***************
- *** 3525,3536 ****
-
- /* Allocate space for the file's text section */
-
- ! bytes = (char *) alloca (entry->header.a_text);
-
- /* Deal with relocation information however is appropriate */
-
- if (entry->textrel) reloc = entry->textrel;
- ! else if (relocatable_output)
- {
- read_file_relocation (entry);
- reloc = entry->textrel;
- --- 4657,4668 ----
-
- /* Allocate space for the file's text section */
-
- ! bytes = (char *) alloca (entry->text_size);
-
- /* Deal with relocation information however is appropriate */
-
- if (entry->textrel) reloc = entry->textrel;
- ! else if (output_style == OUTPUT_RELOCATABLE)
- {
- read_file_relocation (entry);
- reloc = entry->textrel;
- ***************
- *** 3537,3563 ****
- }
- else
- {
- ! reloc = (struct relocation_info *) alloca (entry->header.a_trsize);
- ! lseek (desc, text_offset (entry) + entry->header.a_text + entry->header.a_data, 0);
- ! if (entry->header.a_trsize != read (desc, reloc, entry->header.a_trsize))
- fatal_with_file ("premature eof in text relocation of ", entry);
- }
-
- /* Read the text section into core. */
-
- ! lseek (desc, text_offset (entry), 0);
- ! if (entry->header.a_text != read (desc, bytes, entry->header.a_text))
- fatal_with_file ("premature eof in text section of ", entry);
-
- -
- /* Relocate the text according to the text relocation. */
-
- ! perform_relocation (bytes, entry->text_start_address, entry->header.a_text,
- ! reloc, entry->header.a_trsize, entry);
-
- /* Write the relocated text to the output file. */
-
- ! mywrite (bytes, 1, entry->header.a_text, outdesc);
- }
-
- /* Relocate the data segment of each input file
- --- 4669,4699 ----
- }
- else
- {
- ! reloc = (struct relocation_info *) alloca (entry->text_reloc_size);
- ! lseek (desc, entry->starting_offset + entry->text_reloc_offset, L_SET);
- ! if (entry->text_reloc_size != read (desc, reloc, entry->text_reloc_size))
- fatal_with_file ("premature eof in text relocation of ", entry);
- + #ifdef MACH_O
- + if (entry->file_type == IS_MACH_O)
- + translate_mach_o_relocation (entry, reloc,
- + entry->text_reloc_size / sizeof (struct relocation_info));
- + #endif
- }
-
- /* Read the text section into core. */
-
- ! lseek (desc, entry->starting_offset + entry->text_offset, L_SET);
- ! if (entry->text_size != read (desc, bytes, entry->text_size))
- fatal_with_file ("premature eof in text section of ", entry);
-
- /* Relocate the text according to the text relocation. */
-
- ! perform_relocation (bytes, entry->text_start_address - entry->orig_text_address,
- ! entry->text_size, reloc, entry->text_reloc_size, entry);
-
- /* Write the relocated text to the output file. */
-
- ! mywrite (bytes, 1, entry->text_size, outdesc);
- }
-
- /* Relocate the data segment of each input file
- ***************
- *** 3569,3575 ****
- if (trace_files)
- fprintf (stderr, "Copying and relocating data:\n\n");
-
- ! each_full_file (copy_data);
- file_close ();
-
- /* Write out the set element vectors. See digest symbols for
- --- 4705,4713 ----
- if (trace_files)
- fprintf (stderr, "Copying and relocating data:\n\n");
-
- ! lseek (outdesc, output_data_offset, 0);
- !
- ! each_full_file (copy_data, 0);
- file_close ();
-
- /* Write out the set element vectors. See digest symbols for
- ***************
- *** 3603,3612 ****
-
- desc = file_open (entry);
-
- ! bytes = (char *) alloca (entry->header.a_data);
-
- if (entry->datarel) reloc = entry->datarel;
- ! else if (relocatable_output) /* Will need this again */
- {
- read_file_relocation (entry);
- reloc = entry->datarel;
- --- 4741,4750 ----
-
- desc = file_open (entry);
-
- ! bytes = (char *) alloca (entry->data_size);
-
- if (entry->datarel) reloc = entry->datarel;
- ! else if (output_style == OUTPUT_RELOCATABLE) /* Will need this again */
- {
- read_file_relocation (entry);
- reloc = entry->datarel;
- ***************
- *** 3613,3634 ****
- }
- else
- {
- ! reloc = (struct relocation_info *) alloca (entry->header.a_drsize);
- ! lseek (desc, text_offset (entry) + entry->header.a_text
- ! + entry->header.a_data + entry->header.a_trsize,
- ! 0);
- ! if (entry->header.a_drsize != read (desc, reloc, entry->header.a_drsize))
- fatal_with_file ("premature eof in data relocation of ", entry);
- }
-
- ! lseek (desc, text_offset (entry) + entry->header.a_text, 0);
- ! if (entry->header.a_data != read (desc, bytes, entry->header.a_data))
- fatal_with_file ("premature eof in data section of ", entry);
-
- ! perform_relocation (bytes, entry->data_start_address - entry->header.a_text,
- ! entry->header.a_data, reloc, entry->header.a_drsize, entry);
-
- ! mywrite (bytes, 1, entry->header.a_data, outdesc);
- }
-
- /* Relocate ENTRY's text or data section contents.
- --- 4751,4775 ----
- }
- else
- {
- ! reloc = (struct relocation_info *) alloca (entry->data_reloc_size);
- ! lseek (desc, entry->starting_offset + entry->data_reloc_offset, L_SET);
- ! if (entry->data_reloc_size != read (desc, reloc, entry->data_reloc_size))
- fatal_with_file ("premature eof in data relocation of ", entry);
- + #ifdef MACH_O
- + if (entry->file_type == IS_MACH_O)
- + translate_mach_o_relocation (entry, reloc,
- + entry->data_reloc_size / sizeof (struct relocation_info));
- + #endif
- }
-
- ! lseek (desc, entry->starting_offset + entry->data_offset, L_SET);
- ! if (entry->data_size != read (desc, bytes, entry->data_size))
- fatal_with_file ("premature eof in data section of ", entry);
-
- ! perform_relocation (bytes, entry->data_start_address - entry->orig_data_address,
- ! entry->data_size, reloc, entry->data_reloc_size, entry);
-
- ! mywrite (bytes, 1, entry->data_size, outdesc);
- }
-
- /* Relocate ENTRY's text or data section contents.
- ***************
- *** 3638,3644 ****
- in the output file and its address in the input file.
- RELOC_INFO is the address of the relocation info, in core.
- RELOC_SIZE is its length in bytes. */
- ! /* This version is about to be severley hacked by Randy. Hope it
- works afterwards. */
- void
- perform_relocation (data, pc_relocation, data_size, reloc_info, reloc_size, entry)
- --- 4779,4785 ----
- in the output file and its address in the input file.
- RELOC_INFO is the address of the relocation info, in core.
- RELOC_SIZE is its length in bytes. */
- ! /* This version is about to be severly hacked by Randy. Hope it
- works afterwards. */
- void
- perform_relocation (data, pc_relocation, data_size, reloc_info, reloc_size, entry)
- ***************
- *** 3652,3661 ****
- register struct relocation_info *p = reloc_info;
- struct relocation_info *end
- = reloc_info + reloc_size / sizeof (struct relocation_info);
- ! int text_relocation = entry->text_start_address;
- ! int data_relocation = entry->data_start_address - entry->header.a_text;
- ! int bss_relocation
- ! = entry->bss_start_address - entry->header.a_text - entry->header.a_data;
-
- for (; p < end; p++)
- {
- --- 4793,4801 ----
- register struct relocation_info *p = reloc_info;
- struct relocation_info *end
- = reloc_info + reloc_size / sizeof (struct relocation_info);
- ! int text_relocation = entry->text_start_address - entry->orig_text_address;
- ! int data_relocation = entry->data_start_address - entry->orig_data_address;
- ! int bss_relocation = entry->bss_start_address - entry->orig_bss_address;
-
- for (; p < end; p++)
- {
- ***************
- *** 3680,3686 ****
- sp = (symbol *) sp->value;
- #endif
-
- ! if (symindex >= entry->header.a_syms)
- fatal_with_file ("relocation symbolnum out of range in ", entry);
-
- /* If the symbol is undefined, leave it at zero. */
- --- 4820,4826 ----
- sp = (symbol *) sp->value;
- #endif
-
- ! if (symindex >= entry->syms_size)
- fatal_with_file ("relocation symbolnum out of range in ", entry);
-
- /* If the symbol is undefined, leave it at zero. */
- ***************
- *** 3698,3713 ****
-
- case N_DATA:
- case N_DATA | N_EXT:
- - /* A word that points to beginning of the the data section
- - initially contains not 0 but rather the "address" of that section
- - in the input file, which is the length of the file's text. */
- relocation = data_relocation;
- break;
-
- case N_BSS:
- case N_BSS | N_EXT:
- - /* Similarly, an input word pointing to the beginning of the bss
- - initially contains the length of text plus data of the file. */
- relocation = bss_relocation;
- break;
-
- --- 4838,4848 ----
- ***************
- *** 3725,3731 ****
-
- #ifdef RELOC_ADD_EXTRA
- relocation += RELOC_ADD_EXTRA(p);
- ! if (relocatable_output)
- {
- /* If this RELOC_ADD_EXTRA is 0, it means that the
- symbol was external and the relocation does not
- --- 4860,4866 ----
-
- #ifdef RELOC_ADD_EXTRA
- relocation += RELOC_ADD_EXTRA(p);
- ! if (output_style == OUTPUT_RELOCATABLE)
- {
- /* If this RELOC_ADD_EXTRA is 0, it means that the
- symbol was external and the relocation does not
- ***************
- *** 3783,3794 ****
- --- 4918,4946 ----
- break;
-
- case 2:
- + #ifdef CROSS_LINKER
- + /* This is necessary if the host has stricter alignment
- + than the target. Too slow to use all the time.
- + Also doesn't deal with differing byte-order. */
- + {
- + /* Thing to relocate. */
- + long thing;
- + bcopy (data + addr, &thing, sizeof (thing));
- if (RELOC_MEMORY_SUB_P (p))
- + relocation -= mask & thing;
- + else if (RELOC_MEMORY_ADD_P (p))
- + relocation += mask & thing;
- + thing = (thing & ~mask) | relocation;
- + bcopy (&thing, data + addr, sizeof (thing));
- + }
- + #else /* not CROSS_LINKER */
- + if (RELOC_MEMORY_SUB_P(p))
- relocation -= mask & *(long *) (data + addr);
- else if (RELOC_MEMORY_ADD_P(p))
- relocation += mask & *(long *) (data + addr);
- *(long *) (data + addr) &= ~mask;
- *(long *) (data + addr) |= relocation;
- + #endif /* not CROSS_LINKER */
- break;
-
- default:
- ***************
- *** 3797,3803 ****
- }
- }
-
- ! /* For relocatable_output only: write out the relocation,
- relocating the addresses-to-be-relocated. */
-
- void coptxtrel (), copdatrel ();
- --- 4949,4955 ----
- }
- }
-
- ! /* For OUTPUT_RELOCATABLE only: write out the relocation,
- relocating the addresses-to-be-relocated. */
-
- void coptxtrel (), copdatrel ();
- ***************
- *** 3823,3848 ****
- if (sp->referenced || sp->defined)
- {
- sp->def_count = count++;
- /* Leave room for the reference required by N_INDR, if
- necessary. */
- if ((sp->defined & ~N_EXT) == N_INDR)
- count++;
- }
- }
- ! /* Correct, because if (reloatable_output), we will also be writing
- whatever indirect blocks we have. */
- if (count != defined_global_sym_count
- + undefined_global_sym_count + global_indirect_count)
- fatal ("internal error");
-
- /* Write out the relocations of all files, remembered from copy_text. */
-
- ! each_full_file (coptxtrel);
-
- if (trace_files)
- fprintf (stderr, "\nWriting data relocation:\n\n");
-
- ! each_full_file (copdatrel);
-
- if (trace_files)
- fprintf (stderr, "\n");
- --- 4975,5009 ----
- if (sp->referenced || sp->defined)
- {
- sp->def_count = count++;
- + #ifndef NeXT
- /* Leave room for the reference required by N_INDR, if
- necessary. */
- if ((sp->defined & ~N_EXT) == N_INDR)
- count++;
- + #endif
- }
- }
- ! /* Correct, because if (OUTPUT_RELOCATABLE), we will also be writing
- whatever indirect blocks we have. */
- + #ifndef NeXT
- if (count != defined_global_sym_count
- + undefined_global_sym_count + global_indirect_count)
- + #else
- + if (count != defined_global_sym_count
- + + undefined_global_sym_count)
- + #endif
- fatal ("internal error");
-
- /* Write out the relocations of all files, remembered from copy_text. */
-
- ! lseek (outdesc, output_trel_offset, 0);
- ! each_full_file (coptxtrel, 0);
-
- if (trace_files)
- fprintf (stderr, "\nWriting data relocation:\n\n");
-
- ! lseek (outdesc, output_drel_offset, 0);
- ! each_full_file (copdatrel, 0);
-
- if (trace_files)
- fprintf (stderr, "\n");
- ***************
- *** 3853,3862 ****
- struct file_entry *entry;
- {
- register struct relocation_info *p, *end;
- ! register int reloc = entry->text_start_address;
-
- p = entry->textrel;
- ! end = (struct relocation_info *) (entry->header.a_trsize + (char *) p);
- while (p < end)
- {
- RELOC_ADDRESS(p) += reloc;
- --- 5014,5023 ----
- struct file_entry *entry;
- {
- register struct relocation_info *p, *end;
- ! register int reloc = entry->text_start_address - text_start;
-
- p = entry->textrel;
- ! end = (struct relocation_info *) (entry->text_reloc_size + (char *) p);
- while (p < end)
- {
- RELOC_ADDRESS(p) += reloc;
- ***************
- *** 3868,3874 ****
- (((char *)entry->symbols) + symindex))
- ->n_un.n_name));
-
- ! if (symindex >= entry->header.a_syms)
- fatal_with_file ("relocation symbolnum out of range in ", entry);
-
- #ifdef N_INDR
- --- 5029,5035 ----
- (((char *)entry->symbols) + symindex))
- ->n_un.n_name));
-
- ! if (symindex >= entry->syms_size)
- fatal_with_file ("relocation symbolnum out of range in ", entry);
-
- #ifdef N_INDR
- ***************
- *** 3883,3889 ****
- if (symptr->defined)
- {
- RELOC_EXTERN_P(p) = 0;
- ! RELOC_SYMBOL(p) = (symptr->defined & N_TYPE);
- #ifdef RELOC_ADD_EXTRA
- /* If we aren't going to be adding in the value in
- memory on the next pass of the loader, then we need
- --- 5044,5050 ----
- if (symptr->defined)
- {
- RELOC_EXTERN_P(p) = 0;
- ! RELOC_SYMBOL(p) = (symptr->defined & ~N_EXT);
- #ifdef RELOC_ADD_EXTRA
- /* If we aren't going to be adding in the value in
- memory on the next pass of the loader, then we need
- ***************
- *** 3896,3909 ****
- else
- /* Debugger symbols come first, so have to start this
- after them. */
- RELOC_SYMBOL(p) = (symptr->def_count + nsyms
- - defined_global_sym_count
- - undefined_global_sym_count
- - global_indirect_count);
- }
- p++;
- }
- ! mywrite (entry->textrel, 1, entry->header.a_trsize, outdesc);
- }
-
- void
- --- 5057,5083 ----
- else
- /* Debugger symbols come first, so have to start this
- after them. */
- + #ifndef NeXT
- RELOC_SYMBOL(p) = (symptr->def_count + nsyms
- - defined_global_sym_count
- - undefined_global_sym_count
- - global_indirect_count);
- + #else
- + RELOC_SYMBOL(p) = (symptr->def_count + nsyms
- + - defined_global_sym_count
- + - undefined_global_sym_count);
- + #endif
- }
- p++;
- }
- !
- ! #ifdef MACH_O
- ! if (output_file_type == IS_MACH_O)
- ! generate_mach_o_relocations(entry->textrel,
- ! entry->text_reloc_size / sizeof (struct relocation_info));
- ! #endif
- !
- ! mywrite (entry->textrel, 1, entry->text_reloc_size, outdesc);
- }
-
- void
- ***************
- *** 3913,3923 ****
- register struct relocation_info *p, *end;
- /* Relocate the address of the relocation.
- Old address is relative to start of the input file's data section.
- ! New address is relative to start of the output file's data section. */
- ! register int reloc = entry->data_start_address - text_size;
-
- p = entry->datarel;
- ! end = (struct relocation_info *) (entry->header.a_drsize + (char *) p);
- while (p < end)
- {
- RELOC_ADDRESS(p) += reloc;
- --- 5087,5100 ----
- register struct relocation_info *p, *end;
- /* Relocate the address of the relocation.
- Old address is relative to start of the input file's data section.
- ! New address is relative to start of the output file's data section.
- !
- ! So the amount we need to relocate it by is the offset of this
- ! input file's data section within the output file's data section. */
- ! register int reloc = entry->data_start_address - data_start;
-
- p = entry->datarel;
- ! end = (struct relocation_info *) (entry->data_reloc_size + (char *) p);
- while (p < end)
- {
- RELOC_ADDRESS(p) += reloc;
- ***************
- *** 3930,3936 ****
- ->n_un.n_name));
- int symtype;
-
- ! if (symindex >= entry->header.a_syms)
- fatal_with_file ("relocation symbolnum out of range in ", entry);
-
- #ifdef N_INDR
- --- 5107,5113 ----
- ->n_un.n_name));
- int symtype;
-
- ! if (symindex >= entry->syms_size)
- fatal_with_file ("relocation symbolnum out of range in ", entry);
-
- #ifdef N_INDR
- ***************
- *** 3939,3945 ****
- symptr = (symbol *) symptr->value;
- #endif
-
- ! symtype = symptr->defined & N_TYPE;
-
- if (force_common_definition
- || symtype == N_DATA || symtype == N_TEXT || symtype == N_ABS)
- --- 5116,5122 ----
- symptr = (symbol *) symptr->value;
- #endif
-
- ! symtype = symptr->defined & ~N_EXT;
-
- if (force_common_definition
- || symtype == N_DATA || symtype == N_TEXT || symtype == N_ABS)
- ***************
- *** 3950,3955 ****
- --- 5127,5133 ----
- else
- /* Debugger symbols come first, so have to start this
- after them. */
- + #ifndef NeXT
- RELOC_SYMBOL(p)
- = (((symbol *)
- (((struct nlist *)
- ***************
- *** 3959,3985 ****
- + nsyms - defined_global_sym_count
- - undefined_global_sym_count
- - global_indirect_count);
- }
- p++;
- }
- ! mywrite (entry->datarel, 1, entry->header.a_drsize, outdesc);
- }
-
- void write_file_syms ();
- void write_string_table ();
-
- - /* Offsets and current lengths of symbol and string tables in output file. */
- -
- - int symbol_table_offset;
- - int symbol_table_len;
- -
- - /* Address in output file where string table starts. */
- - int string_table_offset;
- -
- - /* Offset within string table
- - where the strings in `strtab_vector' should be written. */
- - int string_table_len;
- -
- /* Total size of string table strings allocated so far,
- including strings in `strtab_vector'. */
- int strtab_size;
- --- 5137,5167 ----
- + nsyms - defined_global_sym_count
- - undefined_global_sym_count
- - global_indirect_count);
- + #else
- + RELOC_SYMBOL(p)
- + = (((symbol *)
- + (((struct nlist *)
- + (((char *)entry->symbols) + symindex))
- + ->n_un.n_name))
- + ->def_count
- + + nsyms - defined_global_sym_count
- + - undefined_global_sym_count);
- + #endif
- }
- p++;
- }
- ! #ifdef MACH_O
- ! if (output_file_type == IS_MACH_O)
- ! generate_mach_o_relocations(entry->datarel,
- ! entry->data_reloc_size / sizeof (struct relocation_info));
- ! #endif
- !
- ! mywrite (entry->datarel, 1, entry->data_reloc_size, outdesc);
- }
-
- void write_file_syms ();
- void write_string_table ();
-
- /* Total size of string table strings allocated so far,
- including strings in `strtab_vector'. */
- int strtab_size;
- ***************
- *** 4022,4028 ****
- {
- register int i;
-
- ! lseek (outdesc, string_table_offset + string_table_len, 0);
-
- if (!outstream)
- outstream = fdopen (outdesc, "w");
- --- 5204,5210 ----
- {
- register int i;
-
- ! lseek (outdesc, output_strs_offset + output_strs_size, 0);
-
- if (!outstream)
- outstream = fdopen (outdesc, "w");
- ***************
- *** 4030,4036 ****
- for (i = 0; i < strtab_index; i++)
- {
- fwrite (strtab_vector[i], 1, strtab_lens[i], outstream);
- ! string_table_len += strtab_lens[i];
- }
-
- fflush (outstream);
- --- 5212,5218 ----
- for (i = 0; i < strtab_index; i++)
- {
- fwrite (strtab_vector[i], 1, strtab_lens[i], outstream);
- ! output_strs_size += strtab_lens[i];
- }
-
- fflush (outstream);
- ***************
- *** 4054,4063 ****
- --- 5236,5251 ----
- extra struct for each indirect symbol to hold the extra reference
- following. */
- struct nlist *buf
- + #ifndef NeXT
- = (struct nlist *) alloca ((defined_global_sym_count
- + undefined_global_sym_count
- + global_indirect_count)
- * sizeof (struct nlist));
- + #else
- + = (struct nlist *) alloca ((defined_global_sym_count
- + + undefined_global_sym_count)
- + * sizeof (struct nlist));
- + #endif
- /* Pointer for storing into BUF. */
- register struct nlist *bufp = buf;
-
- ***************
- *** 4064,4073 ****
- /* Size of string table includes the bytes that store the size. */
- strtab_size = sizeof strtab_size;
-
- ! symbol_table_offset = N_SYMOFF (outheader);
- ! symbol_table_len = 0;
- ! string_table_offset = N_STROFF (outheader);
- ! string_table_len = strtab_size;
-
- if (strip_symbols == STRIP_ALL)
- return;
- --- 5252,5259 ----
- /* Size of string table includes the bytes that store the size. */
- strtab_size = sizeof strtab_size;
-
- ! output_syms_size = 0;
- ! output_strs_size = strtab_size;
-
- if (strip_symbols == STRIP_ALL)
- return;
- ***************
- *** 4096,4102 ****
- --- 5282,5292 ----
- {
- struct nlist nl;
-
- + #ifdef N_SECT
- + nl.n_sect = 0;
- + #else
- nl.n_other = 0;
- + #endif
- nl.n_desc = 0;
-
- /* Compute a `struct nlist' for the symbol. */
- ***************
- *** 4111,4118 ****
- /* If the target of an indirect symbol has been
- defined and we are outputting an executable,
- resolve the indirection; it's no longer needed */
- ! if (!relocatable_output
- ! && ((sp->defined & N_TYPE) == N_INDR)
- && (((symbol *) sp->value)->defined > 1))
- {
- symbol *newsp = (symbol *) sp->value;
- --- 5301,5308 ----
- /* If the target of an indirect symbol has been
- defined and we are outputting an executable,
- resolve the indirection; it's no longer needed */
- ! if (output_style != OUTPUT_RELOCATABLE
- ! && ((sp->defined & ~N_EXT) == N_INDR)
- && (((symbol *) sp->value)->defined > 1))
- {
- symbol *newsp = (symbol *) sp->value;
- ***************
- *** 4152,4188 ****
- *bufp++ = nl;
- syms_written++;
- if (nl.n_type == (N_INDR | N_EXT))
- {
- struct nlist xtra_ref;
- xtra_ref.n_type == N_EXT | N_UNDF;
- xtra_ref.n_un.n_strx
- = assign_string_table_index (((symbol *) sp->value)->name);
- xtra_ref.n_other = 0;
- xtra_ref.n_desc = 0;
- xtra_ref.n_value = 0;
- *bufp++ = xtra_ref;
- syms_written++;
- }
- }
- }
-
- /* Output the buffer full of `struct nlist's. */
-
- ! lseek (outdesc, symbol_table_offset + symbol_table_len, 0);
- mywrite (buf, sizeof (struct nlist), bufp - buf, outdesc);
- ! symbol_table_len += sizeof (struct nlist) * (bufp - buf);
-
- if (syms_written != nsyms)
- fatal ("internal error: wrong number of symbols written into output file", 0);
-
- ! if (symbol_table_offset + symbol_table_len != string_table_offset)
- ! fatal ("internal error: inconsistent symbol table length", 0);
-
- ! /* Now the total string table size is known, so write it.
- ! We are already positioned at the right place in the file. */
-
- - mywrite (&strtab_size, sizeof (int), 1, outdesc); /* we're at right place */
- -
- /* Write the strings for the global symbols. */
-
- write_string_table ();
- --- 5342,5389 ----
- *bufp++ = nl;
- syms_written++;
- if (nl.n_type == (N_INDR | N_EXT))
- + #ifndef NeXT
- {
- struct nlist xtra_ref;
- xtra_ref.n_type == N_EXT | N_UNDF;
- xtra_ref.n_un.n_strx
- = assign_string_table_index (((symbol *) sp->value)->name);
- + #ifdef N_SECT
- + xtra_ref.n_sect = 0;
- + #else
- xtra_ref.n_other = 0;
- + #endif
- xtra_ref.n_desc = 0;
- xtra_ref.n_value = 0;
- *bufp++ = xtra_ref;
- syms_written++;
- }
- + #else
- + nl.n_value = assign_string_table_index (((symbol *) sp->value)->name);
- + #endif
- }
- }
-
- + #ifdef MACH_O
- + if (output_file_type == IS_MACH_O)
- + generate_mach_o_symbols(buf, bufp - buf);
- + #endif
- +
- /* Output the buffer full of `struct nlist's. */
-
- ! lseek (outdesc, output_syms_offset + output_syms_size, 0);
- mywrite (buf, sizeof (struct nlist), bufp - buf, outdesc);
- ! output_syms_size += sizeof (struct nlist) * (bufp - buf);
-
- if (syms_written != nsyms)
- fatal ("internal error: wrong number of symbols written into output file", 0);
-
- ! /* Now the total string table size is known, so write it into the
- ! first word of the string table. */
-
- ! lseek (outdesc, output_strs_offset, 0);
- ! mywrite (&strtab_size, sizeof (int), 1, outdesc);
-
- /* Write the strings for the global symbols. */
-
- write_string_table ();
- ***************
- *** 4200,4215 ****
- int *syms_written_addr;
- {
- register struct nlist *p = entry->symbols;
- ! register struct nlist *end = p + entry->header.a_syms / sizeof (struct nlist);
-
- /* Buffer to accumulate all the syms before writing them.
- It has one extra slot for the local symbol we generate here. */
- struct nlist *buf
- ! = (struct nlist *) alloca (entry->header.a_syms + sizeof (struct nlist));
- register struct nlist *bufp = buf;
-
- /* Upper bound on number of syms to be written here. */
- ! int max_syms = (entry->header.a_syms / sizeof (struct nlist)) + 1;
-
- /* Make tables that record, for each symbol, its name and its name's length.
- The elements are filled in by `assign_string_table_index'. */
- --- 5401,5416 ----
- int *syms_written_addr;
- {
- register struct nlist *p = entry->symbols;
- ! register struct nlist *end = p + entry->syms_size / sizeof (struct nlist);
-
- /* Buffer to accumulate all the syms before writing them.
- It has one extra slot for the local symbol we generate here. */
- struct nlist *buf
- ! = (struct nlist *) alloca (entry->syms_size + sizeof (struct nlist));
- register struct nlist *bufp = buf;
-
- /* Upper bound on number of syms to be written here. */
- ! int max_syms = (entry->syms_size / sizeof (struct nlist)) + 1;
-
- /* Make tables that record, for each symbol, its name and its name's length.
- The elements are filled in by `assign_string_table_index'. */
- ***************
- *** 4228,4234 ****
- --- 5429,5439 ----
- nl.n_un.n_strx = assign_string_table_index (entry->local_sym_name);
- nl.n_value = entry->text_start_address;
- nl.n_desc = 0;
- + #ifdef N_SECT
- + nl.n_sect = 0;
- + #else
- nl.n_other = 0;
- + #endif
- *bufp++ = nl;
- (*syms_written_addr)++;
- entry->local_syms_offset = *syms_written_addr * sizeof (struct nlist);
- ***************
- *** 4236,4242 ****
-
- /* Read the file's string table. */
-
- ! entry->strings = (char *) alloca (entry->string_size);
- read_entry_strings (file_open (entry), entry);
-
- for (; p < end; p++)
- --- 5441,5447 ----
-
- /* Read the file's string table. */
-
- ! entry->strings = (char *) alloca (entry->strs_size);
- read_entry_strings (file_open (entry), entry);
-
- for (; p < end; p++)
- ***************
- *** 4251,4257 ****
- /* types of symbols are never written */
- /* globally, though they are stored */
- /* globally. */
- ! write = relocatable_output;
- else if (!(type & (N_STAB | N_EXT)))
- /* ordinary local symbol */
- write = ((discard_locals != DISCARD_ALL)
- --- 5456,5462 ----
- /* types of symbols are never written */
- /* globally, though they are stored */
- /* globally. */
- ! write = output_style == OUTPUT_RELOCATABLE;
- else if (!(type & (N_STAB | N_EXT)))
- /* ordinary local symbol */
- write = ((discard_locals != DISCARD_ALL)
- ***************
- *** 4278,4288 ****
- }
- }
-
- /* All the symbols are now in BUF; write them. */
-
- ! lseek (outdesc, symbol_table_offset + symbol_table_len, 0);
- mywrite (buf, sizeof (struct nlist), bufp - buf, outdesc);
- ! symbol_table_len += sizeof (struct nlist) * (bufp - buf);
-
- /* Write the string-table data for the symbols just written,
- using the data in vectors `strtab_vector' and `strtab_lens'. */
- --- 5483,5498 ----
- }
- }
-
- + #ifdef MACH_O
- + if (output_file_type == IS_MACH_O)
- + generate_mach_o_symbols(buf, bufp - buf);
- + #endif
- +
- /* All the symbols are now in BUF; write them. */
-
- ! lseek (outdesc, output_syms_offset + output_syms_size, 0);
- mywrite (buf, sizeof (struct nlist), bufp - buf, outdesc);
- ! output_syms_size += sizeof (struct nlist) * (bufp - buf);
-
- /* Write the string-table data for the symbols just written,
- using the data in vectors `strtab_vector' and `strtab_lens'. */
- ***************
- *** 4300,4305 ****
- --- 5510,5516 ----
- void
- write_symsegs ()
- {
- + lseek (outdesc, output_symseg_offset, 0);
- each_file (write_file_symseg, 0);
- }
-
- ***************
- *** 4309,4320 ****
- {
- char buffer[4096];
- struct symbol_root root;
- ! int indesc;
- ! int len;
-
- ! if (entry->symseg_offset == 0)
- return;
-
- /* This entry has a symbol segment. Read the root of the segment. */
-
- indesc = file_open (entry);
- --- 5520,5532 ----
- {
- char buffer[4096];
- struct symbol_root root;
- ! int indesc, len, total;
-
- ! if (entry->symseg_size == 0)
- return;
-
- + output_symseg_size += entry->symseg_size;
- +
- /* This entry has a symbol segment. Read the root of the segment. */
-
- indesc = file_open (entry);
- ***************
- *** 4325,4334 ****
- /* Store some relocation info into the root. */
-
- root.ldsymoff = entry->local_syms_offset;
- ! root.textrel = entry->text_start_address;
- ! root.datarel = entry->data_start_address - entry->header.a_text;
- ! root.bssrel = entry->bss_start_address
- ! - entry->header.a_text - entry->header.a_data;
- root.databeg = entry->data_start_address - root.datarel;
- root.bssbeg = entry->bss_start_address - root.bssrel;
-
- --- 5537,5545 ----
- /* Store some relocation info into the root. */
-
- root.ldsymoff = entry->local_syms_offset;
- ! root.textrel = entry->text_start_address - entry->orig_text_address;
- ! root.datarel = entry->data_start_address - entry->orig_data_address;
- ! root.bssrel = entry->bss_start_address - entry->orig_bss_address;
- root.databeg = entry->data_start_address - root.datarel;
- root.bssbeg = entry->bss_start_address - root.bssrel;
-
- ***************
- *** 4338,4349 ****
-
- /* Copy the rest of the symbol segment unchanged. */
-
- ! if (entry->superfile)
- ! {
- ! /* Library member: number of bytes to copy is determined
- ! from the member's total size. */
- !
- ! int total = entry->total_size - entry->symseg_offset - sizeof root;
-
- while (total > 0)
- {
- --- 5549,5555 ----
-
- /* Copy the rest of the symbol segment unchanged. */
-
- ! total = entry->symseg_size - sizeof root;
-
- while (total > 0)
- {
- ***************
- *** 4354,4414 ****
- total -= len;
- mywrite (buffer, len, 1, outdesc);
- }
- }
- else
- {
- ! /* A separate file: copy until end of file. */
- !
- ! while (len = read (indesc, buffer, sizeof buffer))
- ! {
- ! mywrite (buffer, len, 1, outdesc);
- ! if (len < sizeof buffer)
- ! break;
- }
- }
-
- - file_close ();
- - }
- -
- /* Create the symbol table entries for `etext', `edata' and `end'. */
-
- void
- symtab_init ()
- {
- ! #ifndef nounderscore
- ! edata_symbol = getsym ("_edata");
- ! etext_symbol = getsym ("_etext");
- ! end_symbol = getsym ("_end");
- ! #else
- ! edata_symbol = getsym ("edata");
- ! etext_symbol = getsym ("etext");
- ! end_symbol = getsym ("end");
- ! #endif
-
- #ifdef sun
- {
- ! symbol *dynamic_symbol = getsym ("__DYNAMIC");
- ! dynamic_symbol->defined = N_ABS | N_EXT;
- ! dynamic_symbol->referenced = 1;
- dynamic_symbol->value = 0;
- }
- #endif
- #ifdef sequent
- {
- ! symbol *_387_flt_symbol = getsym ("_387_flt");
- ! _387_flt_symbol->defined = N_ABS | N_EXT;
- ! _387_flt_symbol->referenced = 1;
- ! _387_flt_symbol->value = 0;
- }
- ! #endif
- !
- ! edata_symbol->defined = N_DATA | N_EXT;
- ! etext_symbol->defined = N_TEXT | N_EXT;
- ! end_symbol->defined = N_BSS | N_EXT;
- !
- ! edata_symbol->referenced = 1;
- ! etext_symbol->referenced = 1;
- ! end_symbol->referenced = 1;
- }
-
- /* Compute the hash code for symbol name KEY. */
- --- 5560,5646 ----
- total -= len;
- mywrite (buffer, len, 1, outdesc);
- }
- +
- + file_close ();
- + }
- +
- + /* Define a special symbol (etext, edata, or end). NAME is the
- + name of the symbol, with a leading underscore (whether or not this
- + system uses such underscores). TYPE is its type (e.g. N_DATA | N_EXT).
- + Store a symbol * for the symbol in *SYM if SYM is non-NULL. */
- + static void
- + symbol_define (name, type, sym)
- + /* const */ char *name;
- + int type;
- + symbol **sym;
- + {
- + symbol *thesym;
- +
- + #if defined(nounderscore)
- + /* Skip the leading underscore. */
- + name++;
- + #endif
- +
- + thesym = getsym (name);
- + if (thesym->defined)
- + {
- + /* The symbol is defined in some input file. Don't mess with it. */
- + if (sym)
- + *sym = 0;
- }
- else
- {
- ! if (thesym->referenced)
- ! /* The symbol was not defined, and we are defining it now. */
- ! undefined_global_sym_count--;
- ! thesym->defined = type;
- ! thesym->referenced = 1;
- ! if (sym)
- ! *sym = thesym;
- }
- }
-
- /* Create the symbol table entries for `etext', `edata' and `end'. */
-
- void
- symtab_init ()
- {
- ! symbol_define ("_edata", N_DATA | N_EXT, &edata_symbol);
- ! symbol_define ("_etext", N_TEXT | N_EXT, &etext_symbol);
- ! symbol_define ("_end", N_BSS | N_EXT, &end_symbol);
- !
- ! /* Either _edata or __edata (C names) is OK as far as ANSI is concerned
- ! (see section 4.1.2.1). In general, it is best to use __foo and
- ! not worry about the confusing rules for the _foo namespace.
- ! But HPUX 7.0 uses _edata, so we might as weel be consistent. */
- ! symbol_define ("__edata", N_DATA | N_EXT, &edata_symbol_alt);
- ! symbol_define ("__etext", N_TEXT | N_EXT, &etext_symbol_alt);
- ! symbol_define ("__end", N_BSS | N_EXT, &end_symbol_alt);
-
- #ifdef sun
- {
- ! symbol *dynamic_symbol;
- ! symbol_define ("__DYNAMIC", N_ABS | N_EXT, &dynamic_symbol);
- ! if (dynamic_symbol)
- dynamic_symbol->value = 0;
- }
- #endif
- #ifdef sequent
- {
- ! symbol *i387_flt_symbol;
- ! symbol_define ("_387_flt", N_ABS | N_EXT, &i387_flt_symbol);
- ! if (i387_flt_symbol)
- ! i387_flt_symbol->value = 0;
- }
- ! #endif
- ! #ifdef NeXT
- ! {
- ! symbol *shlib_init_symbol;
- ! symbol_define ("__shared_library_initialization", N_UNDF | N_EXT, &shlib_init_symbol);
- ! if (shlib_init_symbol)
- ! shlib_init_symbol->max_common_size = sizeof (long int);
- ! }
- ! #endif
- }
-
- /* Compute the hash code for symbol name KEY. */
- ***************
- *** 4495,4500 ****
- --- 5727,5754 ----
- return 0;
- }
-
- + /* Report a usage error.
- + Like fatal except prints a usage summary. */
- +
- + void
- + usage (string, arg)
- + char *string, *arg;
- + {
- + if (string)
- + {
- + fprintf (stderr, "%s: ", progname);
- + fprintf (stderr, string, arg);
- + fprintf (stderr, "\n");
- + }
- + fprintf (stderr, "\
- + Usage: %s [-d] [-dc] [-dp] [-e symbol] [-l lib] [-n] [-noinhibit-exec]\n\
- + [-nostdlib] [-o file] [-r] [-s] [-t] [-u symbol] [-x] [-y symbol]\n\
- + [-z] [-A file] [-Bstatic] [-D size] [-L libdir] [-M] [-N]\n\
- + [-S] [-T[{text,data}] addr] [-V prefix] [-X] [file...]\n",
- + progname);
- + exit (1);
- + }
- +
- /* Report a fatal error.
- STRING is a printf format string and ARG is one arg for it. */
-
- ***************
- *** 4502,4508 ****
- fatal (string, arg)
- char *string, *arg;
- {
- ! fprintf (stderr, "ld: ");
- fprintf (stderr, string, arg);
- fprintf (stderr, "\n");
- exit (1);
- --- 5756,5762 ----
- fatal (string, arg)
- char *string, *arg;
- {
- ! fprintf (stderr, "%s: ", progname);
- fprintf (stderr, string, arg);
- fprintf (stderr, "\n");
- exit (1);
- ***************
- *** 4516,4522 ****
- char *string;
- struct file_entry *entry;
- {
- ! fprintf (stderr, "ld: ");
- fprintf (stderr, string);
- print_file_name (entry, stderr);
- fprintf (stderr, "\n");
- --- 5770,5776 ----
- char *string;
- struct file_entry *entry;
- {
- ! fprintf (stderr, "%s: ", progname);
- fprintf (stderr, string);
- print_file_name (entry, stderr);
- fprintf (stderr, "\n");
- ***************
- *** 4646,4656 ****
-
- /* Like malloc but get fatal error if memory is exhausted. */
-
- ! int
- xmalloc (size)
- int size;
- {
- ! register int result = malloc (size);
- if (!result)
- fatal ("virtual memory exhausted", 0);
- return result;
- --- 5900,5910 ----
-
- /* Like malloc but get fatal error if memory is exhausted. */
-
- ! char *
- xmalloc (size)
- int size;
- {
- ! register char *result = malloc (size);
- if (!result)
- fatal ("virtual memory exhausted", 0);
- return result;
- ***************
- *** 4658,4669 ****
-
- /* Like realloc but get fatal error if memory is exhausted. */
-
- ! int
- xrealloc (ptr, size)
- char *ptr;
- int size;
- {
- ! register int result = realloc (ptr, size);
- if (!result)
- fatal ("virtual memory exhausted", 0);
- return result;
- --- 5912,5923 ----
-
- /* Like realloc but get fatal error if memory is exhausted. */
-
- ! char *
- xrealloc (ptr, size)
- char *ptr;
- int size;
- {
- ! register char *result = realloc (ptr, size);
- if (!result)
- fatal ("virtual memory exhausted", 0);
- return result;
- ***************
- *** 4690,4693 ****
- --- 5944,5955 ----
- return (4096);
- }
-
- + #endif
- +
- + #if defined(sun) && defined(sparc)
- + int
- + getpagesize ()
- + {
- + return 8192;
- + }
- #endif
-