diff options
Diffstat (limited to 'gas/as.c')
| -rw-r--r-- | gas/as.c | 149 |
1 files changed, 77 insertions, 72 deletions
@@ -1,5 +1,5 @@ /* as.c - GAS main program. - Copyright (C) 1987-2024 Free Software Foundation, Inc. + Copyright (C) 1987-2025 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -130,10 +130,6 @@ static long start_time; #ifdef USE_EMULATIONS #define EMULATION_ENVIRON "AS_EMULATION" -extern struct emulation mipsbelf, mipslelf, mipself; -extern struct emulation i386coff, i386elf, i386aout; -extern struct emulation crisaout, criself; - static struct emulation *const emulations[] = { EMULATIONS }; static const int n_emulations = sizeof (emulations) / sizeof (emulations[0]); @@ -182,13 +178,6 @@ select_emulation_mode (int argc, char **argv) this_emulation->init (); } -const char * -default_emul_bfd_name (void) -{ - abort (); - return NULL; -} - void common_emul_init (void) { @@ -333,7 +322,7 @@ Options:\n\ fprintf (stream, _("\ -f skip whitespace and comment preprocessing\n")); fprintf (stream, _("\ - -g --gen-debug generate debugging information\n")); + -g, --gen-debug generate debugging information\n")); fprintf (stream, _("\ --gstabs generate STABS debugging information\n")); fprintf (stream, _("\ @@ -361,9 +350,9 @@ Options:\n\ fprintf (stream, _("\ -K warn when differences altered for long displacements\n")); fprintf (stream, _("\ - -L,--keep-locals keep local symbols (e.g. starting with `L')\n")); + -L, --keep-locals keep local symbols (e.g. starting with `L')\n")); fprintf (stream, _("\ - -M,--mri assemble in MRI compatibility mode\n")); + -M, --mri assemble in MRI compatibility mode\n")); fprintf (stream, _("\ --MD FILE write dependency information in FILE (default none)\n")); fprintf (stream, _("\ @@ -388,11 +377,15 @@ Options:\n\ fprintf (stream, _("\ --version print assembler version number and exit\n")); fprintf (stream, _("\ - -W --no-warn suppress warnings\n")); + -W, --no-warn suppress warnings\n")); fprintf (stream, _("\ --warn don't suppress warnings\n")); fprintf (stream, _("\ --fatal-warnings treat warnings as errors\n")); + fprintf (stream, _("\ + --no-info suppress information messages\n")); + fprintf (stream, _("\ + --info don't suppress information messages\n")); #ifdef HAVE_ITBL_CPU fprintf (stream, _("\ --itbl INSTTBL extend instruction set to include instructions\n\ @@ -449,7 +442,6 @@ parse_args (int * pargc, char *** pargv) the ordering of the two. We describe each non-option ARGV-element as if it were the argument of an option with character code 1. */ char *shortopts; - extern const char *md_shortopts; static const char std_shortopts[] = { '-', 'J', @@ -457,13 +449,8 @@ parse_args (int * pargc, char *** pargv) /* -K is not meaningful if .word is not being hacked. */ 'K', #endif - 'L', 'M', 'R', 'W', 'Z', 'a', ':', ':', 'D', 'f', 'g', ':',':', 'I', ':', 'o', ':', -#ifndef VMS - /* -v takes an argument on VMS, so we don't make it a generic - option. */ - 'v', -#endif - 'w', 'X', + 'L', 'M', 'R', 'W', 'Z', 'a', ':', ':', 'D', 'f', 'g', ':',':', 'I', ':', + 'o', ':', 'v', 'w', 'X', #ifdef HAVE_ITBL_CPU /* New option for extending instruction set (see also --itbl below). */ 't', ':', @@ -471,8 +458,6 @@ parse_args (int * pargc, char *** pargv) '\0' }; struct option *longopts; - extern struct option md_longopts[]; - extern size_t md_longopts_size; /* Codes used for the long options with no short synonyms. */ enum option_values { @@ -481,14 +466,15 @@ parse_args (int * pargc, char *** pargv) OPTION_STATISTICS, OPTION_VERSION, OPTION_DUMPCONFIG, - OPTION_VERBOSE, OPTION_EMULATION, OPTION_DEBUG_PREFIX_MAP, OPTION_DEFSYM, +#ifndef NO_LISTING OPTION_LISTING_LHS_WIDTH, OPTION_LISTING_LHS_WIDTH2, /* = STD_BASE + 10 */ OPTION_LISTING_RHS_WIDTH, OPTION_LISTING_CONT_LINES, +#endif OPTION_DEPFILE, OPTION_GSTABS, OPTION_GSTABS_PLUS, @@ -519,7 +505,9 @@ parse_args (int * pargc, char *** pargv) OPTION_NO_PAD_SECTIONS, OPTION_MULTIBYTE_HANDLING, /* = STD_BASE + 40 */ OPTION_SFRAME, - OPTION_SCFI + OPTION_SCFI, + OPTION_INFO, + OPTION_NOINFO /* When you add options here, check that they do not collide with OPTION_MD_BASE. See as.h. */ }; @@ -587,22 +575,26 @@ parse_args (int * pargc, char *** pargv) ports use -k to enable PIC assembly. */ ,{"keep-locals", no_argument, NULL, 'L'} ,{"keep-locals", no_argument, NULL, 'L'} +#ifndef NO_LISTING ,{"listing-lhs-width", required_argument, NULL, OPTION_LISTING_LHS_WIDTH} ,{"listing-lhs-width2", required_argument, NULL, OPTION_LISTING_LHS_WIDTH2} ,{"listing-rhs-width", required_argument, NULL, OPTION_LISTING_RHS_WIDTH} ,{"listing-cont-lines", required_argument, NULL, OPTION_LISTING_CONT_LINES} +#endif ,{"MD", required_argument, NULL, OPTION_DEPFILE} ,{"mri", no_argument, NULL, 'M'} ,{"nocpp", no_argument, NULL, OPTION_NOCPP} ,{"no-pad-sections", no_argument, NULL, OPTION_NO_PAD_SECTIONS} + ,{"no-info", no_argument, NULL, OPTION_NOINFO} ,{"no-warn", no_argument, NULL, 'W'} ,{"reduce-memory-overheads", no_argument, NULL, OPTION_REDUCE_MEMORY_OVERHEADS} ,{"statistics", no_argument, NULL, OPTION_STATISTICS} ,{"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE} ,{"version", no_argument, NULL, OPTION_VERSION} - ,{"verbose", no_argument, NULL, OPTION_VERBOSE} + ,{"verbose", no_argument, NULL, 'v'} ,{"target-help", no_argument, NULL, OPTION_TARGET_HELP} ,{"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT} + ,{"info", no_argument, NULL, OPTION_INFO} ,{"warn", no_argument, NULL, OPTION_WARN} ,{"multibyte-handling", required_argument, NULL, OPTION_MULTIBYTE_HANDLING} }; @@ -650,24 +642,17 @@ parse_args (int * pargc, char *** pargv) it explicitly here before deciding we've gotten a bad argument. */ if (optc == 'v') { -#ifdef VMS - /* Telling getopt to treat -v's value as optional can result - in it picking up a following filename argument here. The - VMS code in md_parse_option can return 0 in that case, - but it has no way of pushing the filename argument back. */ - if (optarg && *optarg) - new_argv[new_argc++] = optarg, new_argv[new_argc] = NULL; - else -#else - case 'v': -#endif - case OPTION_VERBOSE: - print_version_id (); - verbose = 1; + case 'v': + print_version_id (); + verbose = 1; break; } + else if (is_a_char (optc)) + as_bad (_("unrecognized option `-%c%s'"), optc, optarg ? optarg : ""); + else if (optarg) + as_bad (_("unrecognized option `--%s=%s'"), longopts[longind].name, optarg); else - as_bad (_("unrecognized option -%c%s"), optc, optarg ? optarg : ""); + as_bad (_("unrecognized option `--%s'"), longopts[longind].name); /* Fall through. */ case '?': @@ -723,7 +708,7 @@ parse_args (int * pargc, char *** pargv) case OPTION_VERSION: /* This output is intended to follow the GNU standards document. */ printf (_("GNU assembler %s\n"), BFD_VERSION_STRING); - printf (_("Copyright (C) 2024 Free Software Foundation, Inc.\n")); + printf (_("Copyright (C) 2025 Free Software Foundation, Inc.\n")); printf (_("\ This program is free software; you may redistribute it under the terms of\n\ the GNU General Public License version 3 or later.\n\ @@ -937,6 +922,7 @@ This program has absolutely no warranty.\n")); flag_keep_locals = 1; break; +#ifndef NO_LISTING case OPTION_LISTING_LHS_WIDTH: listing_lhs_width = atoi (optarg); if (listing_lhs_width_second < listing_lhs_width) @@ -944,7 +930,7 @@ This program has absolutely no warranty.\n")); break; case OPTION_LISTING_LHS_WIDTH2: { - int tmp = atoi (optarg); + unsigned int tmp = atoi (optarg); if (tmp > listing_lhs_width) listing_lhs_width_second = tmp; @@ -956,6 +942,7 @@ This program has absolutely no warranty.\n")); case OPTION_LISTING_CONT_LINES: listing_lhs_cont_lines = atoi (optarg); break; +#endif /* NO_LISTING */ case 'M': flag_mri = 1; @@ -982,6 +969,14 @@ This program has absolutely no warranty.\n")); flag_fatal_warnings = 1; break; + case OPTION_NOINFO: + flag_no_information = true; + break; + + case OPTION_INFO: + flag_no_information = false; + break; + #if defined OBJ_ELF || defined OBJ_MAYBE_ELF case OPTION_EXECSTACK: flag_execstack = 1; @@ -1203,36 +1198,10 @@ static void perform_an_assembly_pass (int argc, char ** argv) { int saw_a_file = 0; -#ifndef OBJ_MACH_O - flagword applicable; -#endif need_pass_2 = 0; #ifndef OBJ_MACH_O - /* Create the standard sections, and those the assembler uses - internally. */ - text_section = subseg_new (TEXT_SECTION_NAME, 0); - data_section = subseg_new (DATA_SECTION_NAME, 0); - bss_section = subseg_new (BSS_SECTION_NAME, 0); - /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed - to have relocs, otherwise we don't find out in time. */ - applicable = bfd_applicable_section_flags (stdoutput); - bfd_set_section_flags (text_section, - applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC - | SEC_CODE | SEC_READONLY)); - bfd_set_section_flags (data_section, - applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC - | SEC_DATA)); - bfd_set_section_flags (bss_section, applicable & SEC_ALLOC); - seg_info (bss_section)->bss = 1; -#endif - subseg_new (BFD_ABS_SECTION_NAME, 0); - subseg_new (BFD_UND_SECTION_NAME, 0); - reg_section = subseg_new ("*GAS `reg' section*", 0); - expr_section = subseg_new ("*GAS `expr' section*", 0); - -#ifndef OBJ_MACH_O subseg_set (text_section, 0); #endif @@ -1319,6 +1288,17 @@ gas_early_init (int *argcp, char ***argvp) #endif } +/* Tack on format specific section data and create a proper section + symbol for one of the standard bfd sections. */ + +static void +bfd_std_section_init (const char *name) +{ + asection *sec = bfd_make_section_old_way (stdoutput, name); + gas_assert (BFD_SEND (stdoutput, _new_section_hook, (stdoutput, sec))); + subseg_new (name, 0); +} + /* The bulk of gas initialisation. This is after args are parsed. */ static void @@ -1380,12 +1360,37 @@ gas_init (void) free (defsyms); defsyms = next; } + +#ifndef OBJ_MACH_O + /* Create the standard sections, and those the assembler uses + internally. */ + text_section = subseg_new (TEXT_SECTION_NAME, 0); + data_section = subseg_new (DATA_SECTION_NAME, 0); + bss_section = subseg_new (BSS_SECTION_NAME, 0); + /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed + to have relocs, otherwise we don't find out in time. */ + flagword applicable = bfd_applicable_section_flags (stdoutput); + bfd_set_section_flags (text_section, + applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC + | SEC_CODE | SEC_READONLY)); + bfd_set_section_flags (data_section, + applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC + | SEC_DATA)); + bfd_set_section_flags (bss_section, applicable & SEC_ALLOC); + seg_info (bss_section)->bss = 1; +#endif + bfd_std_section_init (BFD_ABS_SECTION_NAME); + bfd_std_section_init (BFD_UND_SECTION_NAME); + reg_section = subseg_new ("*GAS `reg' section*", 0); + expr_section = subseg_new ("*GAS `expr' section*", 0); } int main (int argc, char ** argv) { +#ifndef NO_LISTING char ** argv_orig = argv; +#endif struct stat sob; gas_early_init (&argc, &argv); |