1/* Configuration for GNU C-compiler for Vax. 2 Copyright (C) 1987, 1994, 1995, 1996, 1997 Free Software Foundation, Inc. 3 4This file is part of GNU CC. 5 6GNU CC is free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 2, or (at your option) 9any later version. 10 11GNU CC is distributed in the hope that it will be useful, 12but WITHOUT ANY WARRANTY; without even the implied warranty of 13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14GNU General Public License for more details. 15 16You should have received a copy of the GNU General Public License 17along with GNU CC; see the file COPYING. If not, write to 18the Free Software Foundation, 59 Temple Place - Suite 330, 19Boston, MA 02111-1307, USA. */ 20 21/* #defines that need visibility everywhere. */ 22#define FALSE 0 23#define TRUE 1 24 25/* Other configurations get these via autoconfig. */ 26#define STDC_HEADERS 1 27#define HAVE_STDLIB_H 1 28#define HAVE_STRING_H 1 29#ifdef __DECC 30#define HAVE_UNISTD_H 1 31#endif 32 33#if defined(VAXC) || defined(__DECC) 34/* if compiling with VAXC, need to fix problem with <stdio.h> 35 which defines a macro called FILE_TYPE that breaks "tree.h". 36 Fortunately it uses #ifndef to suppress multiple inclusions. 37 Three possible cases: 38 1) <stdio.h> has already been included -- ours will be no-op; 39 2) <stdio.h> will be included after us -- "theirs" will be no-op; 40 3) <stdio.h> isn't needed -- including it here shouldn't hurt. 41 In all three cases, the problem macro will be removed here. */ 42#include <stdio.h> 43#undef FILE_TYPE 44#endif 45 46/* target machine dependencies. 47 tm.h is a symbolic link to the actual target specific file. */ 48#include "tm.h" 49 50/* This describes the machine the compiler is hosted on. */ 51#define HOST_BITS_PER_CHAR 8 52#define HOST_BITS_PER_SHORT 16 53#define HOST_BITS_PER_INT 32 54#define HOST_BITS_PER_LONG 32 55#define HOST_BITS_PER_LONGLONG 64 56 57#define HOST_FLOAT_FORMAT VAX_FLOAT_FORMAT 58 59#define SUCCESS_EXIT_CODE 1 60#define FATAL_EXIT_CODE (44 | 0x10000000) /* Abort, and no DCL message. */ 61 62/* A couple of conditionals for execution machine are controlled here. */ 63#ifndef VMS 64#define VMS 65#endif 66 67#ifndef __GNUC__ 68/* not present, at least in VAX-11 C (VMS) v2.2 */ 69#define R_OK 4 70#define W_OK 2 71#define X_OK 1 72#define F_OK 0 73#endif 74 75#define GCC_INCLUDE_DIR "///not used with VMS///" /* nonsense string for now */ 76 77/* and define a local equivalent (sort of) for unlink */ 78#define unlink remove 79 80/* Used by the preprocessor to limit size of disk I/O chunks. 81 64K - 1 is the maximum supported by VAXCRTL. Amounts in excess 82 of 35 blocks will bypass the VMS V6.x VIOC [Virtual I/O Cache], 83 so we'll pick a limit of 16K (32 blocks). */ 84#define MAX_READ_LEN (32 * 512) 85#define MAX_WRITE_LEN (32 * 512) 86 87/* Under VMS a directory specification can be enclosed either in square 88 brackets or in angle brackets. Thus we need to check both. This 89 macro is used to help compare filenames in cp-lex.c. 90 91 We also need to make sure that the names are all lower case, because 92 we must be able to compare filenames to determine if a file implements 93 a class. */ 94 95#define FILE_NAME_NONDIRECTORY(C) \ 96({ \ 97 char * pnt_ = (C), * pnt1_; \ 98 pnt1_ = pnt_ - 1; \ 99 while (*++pnt1_) \ 100 if ((*pnt1_ >= 'A' && *pnt1_ <= 'Z')) *pnt1_ |= 0x20; \ 101 pnt1_ = rindex (pnt_, ']'); \ 102 pnt1_ = (pnt1_ == 0 ? rindex (pnt_, '>') : pnt1_); \ 103 pnt1_ = (pnt1_ == 0 ? rindex (pnt_, ':') : pnt1_); \ 104 (pnt1_ == 0 ? pnt_ : pnt1_ + 1); \ 105 }) 106 107/* Macro to generate the name of the cross reference file. The standard 108 one does not work, since it was written assuming that the conventions 109 of a unix style filesystem will work on the host system. */ 110 111#define XREF_FILE_NAME(BUFF, NAME) \ 112 s = FILE_NAME_NONDIRECTORY (NAME); \ 113 if (s == NAME) sprintf(BUFF, "%s_gxref", NAME); \ 114 else { \ 115 strcpy(BUFF, NAME); \ 116 strcat(BUFF, "_gxref"); \ 117 } 118 119/* Macro that is used in cp-xref.c to determine whether a file name is 120 absolute or not. */ 121 122#define FILE_NAME_ABSOLUTE_P(NAME) \ 123 (FILE_NAME_NONDIRECTORY (NAME) != (&NAME[1])) 124 125/* FILE_NAME_JOINER is defined to be the characters that are inserted between 126 a directory name and a filename in order to make an absolute file 127 specification. Under VMS the directory specification contains all of the 128 required characters, so we define this to be a null string. */ 129 130#define FILE_NAME_JOINER "" 131 132/* vprintf() has been available since VMS V4.6. */ 133 134#define HAVE_VPRINTF 135 136#if defined(VAXC) || defined(__DECC) 137 138/* Customizations/kludges for building with DEC's VAX C compiler 139 rather than GCC. */ 140 141#define NO_SYS_PARAMS_H /* don't have <sys/params.h> */ 142#define USE_C_ALLOCA /* using alloca.c */ 143#define QSORT_WORKAROUND /* do not use VAXCRTL's qsort */ 144 145/* use ANSI/SYSV style byte manipulation routines instead of BSD ones */ 146/* rename all too-long external symbol names to avoid warnings */ 147#define check_for_full_enumeration_handling check_for_full_enum_handling 148#define current_function_contains_functions curfunc_contains_functions 149#define current_function_epilogue_delay_list curfunc_epilogue_delay_list 150#define current_function_has_nonlocal_goto curfunc_has_nonlocal_goto 151#define current_function_has_nonlocal_label curfunc_has_nonlocal_label 152#define current_function_internal_arg_pointer curfunc_internal_arg_pointer 153#define current_function_outgoing_args_size curfunc_outgoing_args_size 154#define current_function_pretend_args_size curfunc_pretend_args_size 155#define current_function_returns_pcc_struct curfunc_returns_pcc_struct 156#define current_function_returns_pointer curfunc_returns_pointer 157#define current_function_uses_const_pool curfunc_uses_const_pool 158#define current_function_uses_pic_offset_table curfunc_uses_pic_offset_table 159#define dbxout_resume_previous_source_file dbxout_resume_previous_src_file 160#define expand_builtin_extract_return_addr expand_builtin_extract_ret_addr 161#define expand_builtin_set_return_addr_reg expand_builtin_set_ret_addr_reg 162#define expand_start_loop_continue_elsewhere expnd_start_loop_cont_elsewhere 163#define flag_schedule_insns_after_reload flag_sched_insns_after_reload 164#define get_dynamic_handler_chain_libfunc get_dynamic_hndlr_chain_libfunc 165#define lookup_name_current_level_global lookup_name_current_level_gbl 166#define maybe_building_objc_message_expr maybe_building_objc_msg_expr 167#define mesg_implicit_function_declaration mesg_implicit_func_declaration 168#define output_deferred_addressed_constants output_deferred_addr_constants 169#define protect_cleanup_actions_with_terminate protect_cleanup_act_w_terminate 170#define reg_overlap_mentioned_for_reload_p reg_overlap_mtnd_for_reload_p 171#define reposition_prologue_and_epilogue_notes repos_prolog_and_epilog_notes 172#define rtx_equal_function_value_matters rtx_equal_func_value_matters 173#define set_new_first_and_last_label_num set_new_first_and_last_lbl_num 174#define thread_prologue_and_epilogue_insns thread_prolog_and_epilog_insns 175#endif 176 177/* We need to avoid the library qsort routine, due to a serious bug 178 in VAXCRTL. (Sorting anything with size that's not a multiple of 4 179 after having previously sorted something that was a multiple of 4 180 can produce wrong results and result in data corruption.) We'll 181 use our own substitute (in vax.c) instead. */ 182/* #define QSORT_WORKAROUND */ 183#ifdef QSORT_WORKAROUND 184#define qsort not_qsort 185#endif 186 187#ifdef __DECC 188/* DECC$SHR doesn't have VAXCRTL's bugs. */ 189#undef QSORT_WORKAROUND 190#undef qsort 191/* Avoid a lot of informational level diagnostics about implicitly 192 declared functions. */ 193#include <stdlib.h> 194#include <string.h> 195/* this is for genopinit.c */ 196 #pragma message disable (undefescap) 197#endif 198 199#if defined(USE_C_ALLOCA) && !defined(alloca) 200/* Declare alloca() using similar logic to that in alloca.c. */ 201#ifdef __STDC__ 202extern void *alloca(unsigned); 203#else 204extern char *alloca(); 205#endif 206#endif 207