/* as.c - GAS main program.
- Copyright (C) 1987, 1990, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
+ Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
#include "output-file.h"
#include "sb.h"
#include "macro.h"
+#include "dwarf2dbg.h"
+#include "dw2gencfi.h"
+
+#ifdef BFD_ASSEMBLER
+#include "bfdver.h"
+#endif
#ifdef HAVE_ITBL_CPU
#include "itbl-ops.h"
static void dump_statistics PARAMS ((void));
static void perform_an_assembly_pass PARAMS ((int argc, char **argv));
static int macro_expr PARAMS ((const char *, int, sb *, int *));
+#ifdef USING_CGEN
+/* Perform any cgen specific initialisation for gas. */
+extern void gas_cgen_begin PARAMS ((void));
+#endif
/* True if a listing is wanted. */
int listing;
/* Type of debugging to generate. */
-enum debug_info_type debug_type = DEBUG_NONE;
+enum debug_info_type debug_type = DEBUG_UNSPECIFIED;
/* Maximum level of macro nesting. */
int max_macro_nest = 100;
Then the chunk sizes for gas and bfd will be reduced. */
int debug_memory = 0;
+/* Enable verbose mode. */
+int verbose = 0;
+
/* We build a list of defsyms as we read the options, and then define
them after we have initialized everything. */
-struct defsym_list
-{
+struct defsym_list {
struct defsym_list *next;
char *name;
valueT value;
/* Keep a record of the itbl files we read in. */
-struct itbl_file_list
-{
+struct itbl_file_list {
struct itbl_file_list *next;
char *name;
};
#ifdef BFD_ASSEMBLER
fprintf (stderr, _("GNU assembler version %s (%s) using BFD version %s"),
- VERSION, TARGET_ALIAS, BFD_VERSION);
+ VERSION, TARGET_ALIAS, BFD_VERSION_STRING);
#else
fprintf (stderr, _("GNU assembler version %s (%s)"), VERSION, TARGET_ALIAS);
#endif
m include macro expansions\n\
n omit forms processing\n\
s include symbols\n\
- L include line debug statistics (if applicable)\n\
=FILE list to FILE (must be last sub-option)\n"));
fprintf (stream, _("\
fprintf (stream, _("\
emulate output (default %s)\n"), def_em);
}
+#endif
+#if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF)
+ fprintf (stream, _("\
+ --execstack require executable stack for this object\n"));
+ fprintf (stream, _("\
+ --noexecstack don't require executable stack for this object\n"));
#endif
fprintf (stream, _("\
-f skip whitespace and comment preprocessing\n"));
fprintf (stream, _("\
--help show this message and exit\n"));
fprintf (stream, _("\
+ --target-help show target specific options\n"));
+ fprintf (stream, _("\
-I DIR add DIR to search list for .include directives\n"));
fprintf (stream, _("\
-J don't warn about signed overflow\n"));
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',
+ extern const char *md_shortopts;
+ static const char std_shortopts[] = {
+ '-', 'J',
#ifndef WORKING_DOT_WORD
- /* -K is not meaningful if .word is not being hacked. */
- 'K',
+ /* -K is not meaningful if .word is not being hacked. */
+ 'K',
#endif
- 'L', 'M', 'R', 'W', 'Z', 'f', 'a', ':', ':', 'D', 'I', ':', 'o', ':',
+ 'L', 'M', 'R', 'W', 'Z', 'f', 'a', ':', ':', 'D', 'I', ':', 'o', ':',
#ifndef VMS
- /* -v takes an argument on VMS, so we don't make it a generic
- option. */
- 'v',
+ /* -v takes an argument on VMS, so we don't make it a generic
+ option. */
+ 'v',
#endif
- 'w', 'X',
- /* New option for extending instruction set (see also --itbl below) */
- 't', ':',
- '\0'
- };
+ 'w', 'X',
+ /* New option for extending instruction set (see also --itbl below) */
+ 't', ':',
+ '\0'
+ };
struct option *longopts;
extern struct option md_longopts[];
extern size_t md_longopts_size;
static const struct option std_longopts[] = {
#define OPTION_HELP (OPTION_STD_BASE)
{"help", no_argument, NULL, OPTION_HELP},
+ /* getopt allows abbreviations, so we do this to stop it from
+ treating -k as an abbreviation for --keep-locals. Some
+ ports use -k to enable PIC assembly. */
+ {"keep-locals", no_argument, NULL, 'L'},
{"keep-locals", no_argument, NULL, 'L'},
{"mri", no_argument, NULL, 'M'},
#define OPTION_NOCPP (OPTION_STD_BASE + 1)
#define OPTION_LISTING_LHS_WIDTH (OPTION_STD_BASE + 9)
{"listing-lhs-width", required_argument, NULL, OPTION_LISTING_LHS_WIDTH},
#define OPTION_LISTING_LHS_WIDTH2 (OPTION_STD_BASE + 10)
- {"listing-lhs-width", required_argument, NULL, OPTION_LISTING_LHS_WIDTH2},
+ {"listing-lhs-width2", required_argument, NULL, OPTION_LISTING_LHS_WIDTH2},
#define OPTION_LISTING_RHS_WIDTH (OPTION_STD_BASE + 11)
{"listing-rhs-width", required_argument, NULL, OPTION_LISTING_RHS_WIDTH},
#define OPTION_LISTING_CONT_LINES (OPTION_STD_BASE + 12)
{"no-warn", no_argument, NULL, 'W'},
#define OPTION_WARN (OPTION_STD_BASE + 18)
{"warn", no_argument, NULL, OPTION_WARN},
-#define OPTION_WARN_FATAL (OPTION_STD_BASE + 19)
+#define OPTION_TARGET_HELP (OPTION_STD_BASE + 19)
+ {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
+#if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF)
+#define OPTION_EXECSTACK (OPTION_STD_BASE + 20)
+ {"execstack", no_argument, NULL, OPTION_EXECSTACK},
+#define OPTION_NOEXECSTACK (OPTION_STD_BASE + 21)
+ {"noexecstack", no_argument, NULL, OPTION_NOEXECSTACK},
+#endif
+#define OPTION_WARN_FATAL (OPTION_STD_BASE + 22)
{"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}
+ /* When you add options here, check that they do not collide with
+ OPTION_MD_BASE. See as.h. */
};
/* Construct the option lists from the standard list and the target
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;
+ new_argv[new_argc++] = optarg, new_argv[new_argc] = NULL;
else
#else
case 'v':
#endif
case OPTION_VERBOSE:
print_version_id ();
+ verbose = 1;
break;
}
/* Fall through. */
new_argv[new_argc] = NULL;
break;
+ case OPTION_TARGET_HELP:
+ md_show_usage (stdout);
+ exit (EXIT_SUCCESS);
+
case OPTION_HELP:
show_usage (stdout);
exit (EXIT_SUCCESS);
case OPTION_VERSION:
/* This output is intended to follow the GNU standards document. */
+#ifdef BFD_ASSEMBLER
+ printf (_("GNU assembler %s\n"), BFD_VERSION_STRING);
+#else
printf (_("GNU assembler %s\n"), VERSION);
- printf (_("Copyright 2000 Free Software Foundation, Inc.\n"));
+#endif
+ printf (_("Copyright 2002 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. This program has absolutely no warranty.\n"));
if (optarg == NULL)
{
- as_warn (_("No file name following -t option\n"));
+ as_warn (_("no file name following -t option"));
break;
}
internal table. */
itbl_files->name = xstrdup (optarg);
if (itbl_parse (itbl_files->name) != 0)
- {
- fprintf (stderr, _("Failed to read instruction table %s\n"),
- itbl_files->name);
- exit (EXIT_SUCCESS);
- }
+ as_fatal (_("failed to read instruction table %s\n"),
+ itbl_files->name);
}
break;
flag_fatal_warnings = 1;
break;
+#if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF)
+ case OPTION_EXECSTACK:
+ flag_execstack = 1;
+ flag_noexecstack = 0;
+ break;
+
+ case OPTION_NOEXECSTACK:
+ flag_noexecstack = 1;
+ flag_execstack = 0;
+ break;
+#endif
+
case 'Z':
flag_always_generate_output = 1;
break;
*pargc = new_argc;
*pargv = new_argv;
+
+#ifdef md_after_parse_args
+ md_after_parse_args ();
+#endif
}
static long start_time;
+int main PARAMS ((int, char **));
+
int
main (argc, argv)
int argc;
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
+#endif
+#if defined (HAVE_SETLOCALE)
+ setlocale (LC_CTYPE, "");
#endif
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
if (debug_memory)
- {
-#ifdef BFD_ASSEMBLER
- extern long _bfd_chunksize;
- _bfd_chunksize = 64;
-#endif
- chunksize = 64;
- }
+ chunksize = 64;
#ifdef HOST_SPECIAL_INIT
HOST_SPECIAL_INIT (argc, argv);
md_end ();
#endif
+#if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF)
+ if ((flag_execstack || flag_noexecstack)
+ && OUTPUT_FLAVOR == bfd_target_elf_flavour)
+ {
+ segT gnustack;
+
+ gnustack = subseg_new (".note.GNU-stack", 0);
+ bfd_set_section_flags (stdoutput, gnustack,
+ SEC_READONLY | (flag_execstack ? SEC_CODE : 0));
+
+ }
+#endif
+
+ /* If we've been collecting dwarf2 .debug_line info, either for
+ assembly debugging or on behalf of the compiler, emit it now. */
+ dwarf2_finish ();
+
+ /* If we constructed dwarf2 .eh_frame info, either via .cfi
+ directives from the user or by the backend, emit it now. */
+ cfi_finish ();
+
if (seen_at_least_1_file ()
&& (flag_always_generate_output || had_errors () == 0))
keep_it = 1;
and sections already created, in BFD_ASSEMBLER mode. */
md_begin ();
+#ifdef USING_CGEN
+ gas_cgen_begin ();
+#endif
#ifdef obj_begin
obj_begin ();
#endif
projects / deliverable / binutils-gdb.git / blobdiff