4.4BSD/usr/src/contrib/gcc-2.3.3/config/xm-vax-vms.h
/* Configuration for GNU C-compiler for Vax.
Copyright (C) 1987 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
/* 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
/* If compiled with GNU C, use the built-in alloca */
#ifdef __GNUC__
#define alloca __builtin_alloca
#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}, \
{ "GNU_CC_INCLUDE:", 0}, /* GNU includes */ \
{ "SYS$SYSROOT:[SYSLIB.]", 0}, /* VAX-11 "C" includes */ \
{ ".", 0}, /* Make normal VMS filespecs work. */ \
{ 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 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_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 maybe_building_objc_message_expr maybe_building_objc_msg_expr
#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