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C/C++ Source or Header  |  2006-08-11  |  5.8 KB  |  169 lines
  1. #ifndef LOAD_OFFSET
  2. #define LOAD_OFFSET 0
  3. #endif
  4.  
  5. #ifndef VMLINUX_SYMBOL
  6. #define VMLINUX_SYMBOL(_sym_) _sym_
  7. #endif
  8.  
  9. /* Align . to a 8 byte boundary equals to maximum function alignment. */
  10. #define ALIGN_FUNCTION()  . = ALIGN(8)
  11.  
  12. #define RODATA                                \
  13.     . = ALIGN(4096);                        \
  14.     __start_rodata = .;                        \
  15.     .rodata           : AT(ADDR(.rodata) - LOAD_OFFSET) {        \
  16.         *(.rodata) *(.rodata.*)                    \
  17.         *(__vermagic)        /* Kernel version magic */    \
  18.     }                                \
  19.                                     \
  20.     .rodata1          : AT(ADDR(.rodata1) - LOAD_OFFSET) {        \
  21.         *(.rodata1)                        \
  22.     }                                \
  23.                                     \
  24.     /* PCI quirks */                        \
  25.     .pci_fixup        : AT(ADDR(.pci_fixup) - LOAD_OFFSET) {    \
  26.         VMLINUX_SYMBOL(__start_pci_fixups_early) = .;        \
  27.         *(.pci_fixup_early)                    \
  28.         VMLINUX_SYMBOL(__end_pci_fixups_early) = .;        \
  29.         VMLINUX_SYMBOL(__start_pci_fixups_header) = .;        \
  30.         *(.pci_fixup_header)                    \
  31.         VMLINUX_SYMBOL(__end_pci_fixups_header) = .;        \
  32.         VMLINUX_SYMBOL(__start_pci_fixups_final) = .;        \
  33.         *(.pci_fixup_final)                    \
  34.         VMLINUX_SYMBOL(__end_pci_fixups_final) = .;        \
  35.         VMLINUX_SYMBOL(__start_pci_fixups_enable) = .;        \
  36.         *(.pci_fixup_enable)                    \
  37.         VMLINUX_SYMBOL(__end_pci_fixups_enable) = .;        \
  38.     }                                \
  39.                                     \
  40.     /* RapidIO route ops */                        \
  41.     .rio_route        : AT(ADDR(.rio_route) - LOAD_OFFSET) {    \
  42.         VMLINUX_SYMBOL(__start_rio_route_ops) = .;        \
  43.         *(.rio_route_ops)                    \
  44.         VMLINUX_SYMBOL(__end_rio_route_ops) = .;        \
  45.     }                                \
  46.                                     \
  47.     /* Kernel symbol table: Normal symbols */            \
  48.     __ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {        \
  49.         VMLINUX_SYMBOL(__start___ksymtab) = .;            \
  50.         *(__ksymtab)                        \
  51.         VMLINUX_SYMBOL(__stop___ksymtab) = .;            \
  52.     }                                \
  53.                                     \
  54.     /* Kernel symbol table: GPL-only symbols */            \
  55.     __ksymtab_gpl     : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) {    \
  56.         VMLINUX_SYMBOL(__start___ksymtab_gpl) = .;        \
  57.         *(__ksymtab_gpl)                    \
  58.         VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;        \
  59.     }                                \
  60.                                     \
  61.     /* Kernel symbol table: GPL-future-only symbols */        \
  62.     __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
  63.         VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .;    \
  64.         *(__ksymtab_gpl_future)                    \
  65.         VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .;    \
  66.     }                                \
  67.                                     \
  68.     /* Kernel symbol table: Normal symbols */            \
  69.     __kcrctab         : AT(ADDR(__kcrctab) - LOAD_OFFSET) {        \
  70.         VMLINUX_SYMBOL(__start___kcrctab) = .;            \
  71.         *(__kcrctab)                        \
  72.         VMLINUX_SYMBOL(__stop___kcrctab) = .;            \
  73.     }                                \
  74.                                     \
  75.     /* Kernel symbol table: GPL-only symbols */            \
  76.     __kcrctab_gpl     : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) {    \
  77.         VMLINUX_SYMBOL(__start___kcrctab_gpl) = .;        \
  78.         *(__kcrctab_gpl)                    \
  79.         VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .;        \
  80.     }                                \
  81.                                     \
  82.     /* Kernel symbol table: GPL-future-only symbols */        \
  83.     __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
  84.         VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .;    \
  85.         *(__kcrctab_gpl_future)                    \
  86.         VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .;    \
  87.     }                                \
  88.                                     \
  89.     /* Kernel symbol table: strings */                \
  90.         __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) {    \
  91.         *(__ksymtab_strings)                    \
  92.     }                                \
  93.     __end_rodata = .;                        \
  94.     . = ALIGN(4096);                        \
  95.                                     \
  96.     /* Built-in module parameters. */                \
  97.     __param : AT(ADDR(__param) - LOAD_OFFSET) {            \
  98.         VMLINUX_SYMBOL(__start___param) = .;            \
  99.         *(__param)                        \
  100.         VMLINUX_SYMBOL(__stop___param) = .;            \
  101.     }
  102.  
  103. #define SECURITY_INIT                            \
  104.     .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
  105.         VMLINUX_SYMBOL(__security_initcall_start) = .;        \
  106.         *(.security_initcall.init)                 \
  107.         VMLINUX_SYMBOL(__security_initcall_end) = .;        \
  108.     }
  109.  
  110. /* sched.text is aling to function alignment to secure we have same
  111.  * address even at second ld pass when generating System.map */
  112. #define SCHED_TEXT                            \
  113.         ALIGN_FUNCTION();                    \
  114.         VMLINUX_SYMBOL(__sched_text_start) = .;            \
  115.         *(.sched.text)                        \
  116.         VMLINUX_SYMBOL(__sched_text_end) = .;
  117.  
  118. /* spinlock.text is aling to function alignment to secure we have same
  119.  * address even at second ld pass when generating System.map */
  120. #define LOCK_TEXT                            \
  121.         ALIGN_FUNCTION();                    \
  122.         VMLINUX_SYMBOL(__lock_text_start) = .;            \
  123.         *(.spinlock.text)                    \
  124.         VMLINUX_SYMBOL(__lock_text_end) = .;
  125.  
  126. #define KPROBES_TEXT                            \
  127.         ALIGN_FUNCTION();                    \
  128.         VMLINUX_SYMBOL(__kprobes_text_start) = .;        \
  129.         *(.kprobes.text)                    \
  130.         VMLINUX_SYMBOL(__kprobes_text_end) = .;
  131.  
  132.         /* DWARF debug sections.
  133.         Symbols in the DWARF debugging sections are relative to
  134.         the beginning of the section so we begin them at 0.  */
  135. #define DWARF_DEBUG                            \
  136.         /* DWARF 1 */                        \
  137.         .debug          0 : { *(.debug) }            \
  138.         .line           0 : { *(.line) }            \
  139.         /* GNU DWARF 1 extensions */                \
  140.         .debug_srcinfo  0 : { *(.debug_srcinfo) }        \
  141.         .debug_sfnames  0 : { *(.debug_sfnames) }        \
  142.         /* DWARF 1.1 and DWARF 2 */                \
  143.         .debug_aranges  0 : { *(.debug_aranges) }        \
  144.         .debug_pubnames 0 : { *(.debug_pubnames) }        \
  145.         /* DWARF 2 */                        \
  146.         .debug_info     0 : { *(.debug_info            \
  147.                 .gnu.linkonce.wi.*) }            \
  148.         .debug_abbrev   0 : { *(.debug_abbrev) }        \
  149.         .debug_line     0 : { *(.debug_line) }            \
  150.         .debug_frame    0 : { *(.debug_frame) }            \
  151.         .debug_str      0 : { *(.debug_str) }            \
  152.         .debug_loc      0 : { *(.debug_loc) }            \
  153.         .debug_macinfo  0 : { *(.debug_macinfo) }        \
  154.         /* SGI/MIPS DWARF 2 extensions */            \
  155.         .debug_weaknames 0 : { *(.debug_weaknames) }        \
  156.         .debug_funcnames 0 : { *(.debug_funcnames) }        \
  157.         .debug_typenames 0 : { *(.debug_typenames) }        \
  158.         .debug_varnames  0 : { *(.debug_varnames) }        \
  159.  
  160.         /* Stabs debugging sections.  */
  161. #define STABS_DEBUG                            \
  162.         .stab 0 : { *(.stab) }                    \
  163.         .stabstr 0 : { *(.stabstr) }                \
  164.         .stab.excl 0 : { *(.stab.excl) }            \
  165.         .stab.exclstr 0 : { *(.stab.exclstr) }            \
  166.         .stab.index 0 : { *(.stab.index) }            \
  167.         .stab.indexstr 0 : { *(.stab.indexstr) }        \
  168.         .comment 0 : { *(.comment) }
  169.