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- /* Configuration for GNU C-compiler for Vax.
- Copyright (C) 1987, 1994 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 2, 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. */
-
- /* #defines that need visibility everywhere. */
- #define FALSE 0
- #define TRUE 1
-
- #ifdef VAXC
- /* if compiling with VAXC, need to fix problem with <stdio.h>
- which defines a macro called FILE_TYPE that breaks "tree.h".
- Fortunately it uses #ifndef to suppress multiple inclusions.
- Three possible cases:
- 1) <stdio.h> has already been included -- ours will be no-op;
- 2) <stdio.h> will be included after us -- "theirs" will be no-op;
- 3) <stdio.h> isn't needed -- including it here shouldn't hurt.
- In all three cases, the problem macro will be removed here. */
- #include <stdio.h>
- #undef FILE_TYPE
- #endif
-
- /* target machine dependencies.
- tm.h is a symbolic link to the actual target specific file. */
- #include "tm.h"
-
- /* This describes the machine the compiler is hosted on. */
- #define HOST_BITS_PER_CHAR 8
- #define HOST_BITS_PER_SHORT 16
- #define HOST_BITS_PER_INT 32
- #define HOST_BITS_PER_LONG 32
- #define HOST_BITS_PER_LONGLONG 64
-
- #define HOST_FLOAT_FORMAT VAX_FLOAT_FORMAT
-
- #define SUCCESS_EXIT_CODE 1
- #define FATAL_EXIT_CODE (44 | 0x10000000) /* Failure, and no DCL message. */
-
-
- /* A couple of conditionals for execution machine are controlled here. */
- #ifndef VMS
- #define VMS
- #endif
-
- #ifndef __GNUC__
- /* not present, at least in VAX-11 C (VMS) v2.2 */
- #define R_OK 4
- #define W_OK 2
- #define X_OK 1
- #define F_OK 0
- #endif
-
- #define GCC_INCLUDE_DIR "///not used with VMS///" /* nonsense string for now */
-
- /* and define a local equivalent (sort of) for unlink */
- #define unlink remove
-
- /* Specify the list of include file directories. */
- #define INCLUDE_DEFAULTS \
- { \
- { "GNU_GXX_INCLUDE:", 1, 1 }, \
- { "GNU_CC_INCLUDE:", 0, 0 }, /* GNU includes */ \
- { "SYS$SYSROOT:[SYSLIB.]", 0, 0 }, /* VAX-11 "C" includes */ \
- { ".", 0, 1 }, /* Make normal VMS filespecs work. */ \
- { 0, 0, 0 } \
- }
-
- /* Under VMS a directory specification can be enclosed either in square
- brackets or in angle brackets. Thus we need to check both. This
- macro is used to help compare filenames in cp-lex.c.
-
- We also need to make sure that the names are all lower case, because
- we must be able to compare filenames to determine if a file implements
- a class. */
-
- #define FILE_NAME_NONDIRECTORY(C) \
- ({ \
- char * pnt_ = (C), * pnt1_; \
- pnt1_ = pnt_ - 1; \
- while (*++pnt1_) \
- if ((*pnt1_ >= 'A' && *pnt1_ <= 'Z')) *pnt1_ |= 0x20; \
- pnt1_ = rindex (pnt_, ']'); \
- pnt1_ = (pnt1_ == 0 ? rindex (pnt_, '>') : pnt1_); \
- pnt1_ = (pnt1_ == 0 ? rindex (pnt_, ':') : pnt1_); \
- (pnt1_ == 0 ? pnt_ : pnt1_ + 1); \
- })
-
- /* Macro to generate the name of the cross reference file. The standard
- one does not work, since it was written assuming that the conventions
- of a unix style filesystem will work on the host system. */
-
- #define XREF_FILE_NAME(BUFF, NAME) \
- s = FILE_NAME_NONDIRECTORY (NAME); \
- if (s == NAME) sprintf(BUFF, "%s_gxref", NAME); \
- else { \
- strcpy(BUFF, NAME); \
- strcat(BUFF, "_gxref"); \
- }
-
- /* Macro that is used in cp-xref.c to determine whether a file name is
- absolute or not. */
-
- #define FILE_NAME_ABSOLUTE_P(NAME) \
- (FILE_NAME_NONDIRECTORY (NAME) != (&NAME[1]))
-
- /* FILE_NAME_JOINER is defined to be the characters that are inserted between
- a directory name and a filename in order to make an absolute file
- specification. Under VMS the directory specification contains all of the
- required characters, so we define this to be a null string. */
-
- #define FILE_NAME_JOINER ""
-
- #ifdef VAXC
- /* Customizations/kludges for building with DEC's VAX C compiler
- rather than GCC. */
- #define NO_SYS_PARAMS_H /* don't have <sys/params.h> */
- #define NO_STAB_H /* don't have <stab.h> */
- #define USE_C_ALLOCA /* using alloca.c */
- #define QSORT_WORKAROUND /* do not use VAXCRTL's qsort */
-
- /* use ANSI/SYSV style byte manipulation routines instead of BSD ones */
- #define bcopy(s,d,n) memcpy((d),(s),(n))
- #define bzero(d,n) memset((d),0,(n))
- #define bcmp(l,r,n) memcmp((l),(r),(n))
- #define index strchr
- #define rindex strrchr
-
- /* rename all too-long external symbol names to avoid warnings */
- #define bc_check_for_full_enumeration_handling bc_check_for_full_enum_handling
- #define check_for_full_enumeration_handling check_for_full_enum_handling
- #define current_function_contains_functions curfunc_contains_functions
- #define current_function_epilogue_delay_list curfunc_epilogue_delay_list
- #define current_function_has_nonlocal_goto curfunc_has_nonlocal_goto
- #define current_function_has_nonlocal_label curfunc_has_nonlocal_label
- #define current_function_internal_arg_pointer curfunc_internal_arg_pointer
- #define current_function_outgoing_args_size curfunc_outgoing_args_size
- #define current_function_pretend_args_size curfunc_pretend_args_size
- #define current_function_returns_pcc_struct curfunc_returns_pcc_struct
- #define current_function_returns_pointer curfunc_returns_pointer
- #define current_function_uses_const_pool curfunc_uses_const_pool
- #define current_function_uses_pic_offset_table curfunc_uses_pic_offset_table
- #define expand_start_loop_continue_elsewhere expnd_start_loop_cont_elsewhere
- #define flag_schedule_insns_after_reload flag_sched_insns_after_reload
- #define lookup_name_current_level_global lookup_name_current_level_gbl
- #define maybe_building_objc_message_expr maybe_building_objc_msg_expr
- #define output_deferred_addressed_constants output_deferred_addr_constants
- #define reg_overlap_mentioned_for_reload_p reg_overlap_mtnd_for_reload_p
- #define reposition_prologue_and_epilogue_notes repos_prolog_and_epilog_notes
- #define rtx_equal_function_value_matters rtx_equal_func_value_matters
- #define set_new_first_and_last_label_num set_new_first_and_last_lbl_num
- #define thread_prologue_and_epilogue_insns thread_prolog_and_epilog_insns
- #endif
-
- /* We need to avoid the library qsort routine, due to a serious bug
- in VAXCRTL. (Sorting anything with size that's not a multiple of 4
- after having previously sorted something that was a multiple of 4
- can produce wrong results and result in data corruption.) We'll
- use our own substitute (in vax.c) instead. */
- /* #define QSORT_WORKAROUND */
- #ifdef QSORT_WORKAROUND
- #define qsort not_qsort
- #endif
-