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- /* Output variables, constants and external declarations, for GNU compiler.
- Copyright (C) 1988 Free Software Foundation, Inc.
-
- This file is part of GNU CC.
-
- GNU CC is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
- any later version.
-
- GNU CC is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNU CC; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #define NO_EXTERNAL_INDIRECT_ADDRESS /* Alter some macro definitions. */
- #include "tm-vax.h"
-
- #undef CPP_PREDEFINES
- #undef TARGET_VERSION
- #undef TARGET_DEFAULT
- #undef CALL_USED_REGISTERS
- #undef MAYBE_VMS_FUNCTION_PROLOGUE
-
- /* Predefine this in CPP because VMS limits the size of command options
- and GNU CPP is not used on VMS except with GNU C. */
- #define CPP_PREDEFINES "-Dvax -Dvms -DVMS -D__GNU__ -D__GNUC__"
-
- /* By default, allow $ to be part of an identifier. */
- #define DOLLARS_IN_IDENTIFIERS 1
-
- #define TARGET_DEFAULT 1
- #define TARGET_VERSION fprintf (stderr, " (vax vms)");
-
- #define CALL_USED_REGISTERS {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1}
-
- #define __MAIN_NAME " main ("
- /*
- * The MAYBE_VMS_FUNCTION_PROLOGUE macro works for both gcc and g++. It
- * first checks to see if the current routine is "main", which will only
- * happen for GCC, and add the jsb if it is. If is not the case then try and
- * see if __MAIN_NAME is part of current_function_name, which will only happen
- * if we are running g++, and add the jsb if it is. In gcc there should never
- * be a space in the function name, and in g++ there is always a "(" in the
- * function name, thus there should never be any confusion.
- */
- #define MAYBE_VMS_FUNCTION_PROLOGUE(FILE) \
- { extern char *current_function_name; \
- if (!strcmp ("main", current_function_name)) \
- fprintf(FILE, "\tjsb _c$main_args\n"); \
- else { \
- char *p = current_function_name; \
- while (*p != '\0') \
- if (*p == *__MAIN_NAME) \
- if (strncmp(p, __MAIN_NAME, (sizeof __MAIN_NAME)-1) == 0) {\
- fprintf(FILE, "\tjsb _c$main_args\n");\
- break; \
- } else \
- p++; \
- else \
- p++; \
- }; \
- }
-
- #define ASM_OUTPUT_EXTERNAL(FILE,DECL,NAME) \
- { if (DECL_INITIAL (DECL) == 0 && TREE_CODE (DECL) != FUNCTION_DECL) \
- { \
- if (TREE_READONLY (decl) && ! TREE_VOLATILE (decl)) \
- const_section (); \
- else \
- data_section (); \
- fputs (".comm ", (FILE)); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ",0\n"); \
- } \
- }
-
- #define NO_DOLLAR_IN_LABEL
-
- #define EXTRA_SECTIONS in_const
-
- #define EXTRA_SECTION_FUNCTIONS \
- const_section () \
- { \
- if (in_section != in_const) { \
- fprintf(asm_out_file,".const\n"); \
- in_section = in_const; \
- } \
- }
-
- #define SELECT_SECTION(T) \
- { \
- if (TREE_CODE (T) == VAR_DECL) \
- { \
- if (TREE_READONLY (T) && ! TREE_VOLATILE (T)) \
- { \
- if (TREE_PUBLIC (T)) \
- const_section (); \
- else \
- text_section (); \
- } \
- else \
- data_section (); \
- } \
- if (*tree_code_type[(int) TREE_CODE (T)] == 'c') \
- { \
- if ((TREE_CODE (T) == STRING_CST && flag_writable_strings)) \
- data_section (); \
- else \
- text_section (); \
- } \
- }
-
-