/* as.c - GAS main program.
- Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 1997
+ Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 97, 1998
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
#include "output-file.h"
#include "sb.h"
#include "macro.h"
+#ifndef HAVE_ITBL_CPU
+#define itbl_parse(itbl_file) 1
+#define itbl_init()
+#endif
#ifdef HAVE_SBRK
#ifdef NEED_DECLARATION_SBRK
#endif
#endif
+static void show_usage PARAMS ((FILE *));
+static void parse_args PARAMS ((int *, char ***));
+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 *));
static char *listing_filename = NULL; /* Name of listing file. */
+/* Type of debugging to generate. */
+
+enum debug_info_type debug_type = DEBUG_NONE;
+
/* Maximum level of macro nesting. */
int max_macro_nest = 100;
segT text_section, data_section, bss_section;
#endif
-int chunksize = 5000;
+/* The default obstack chunk size. If we set this to zero, the
+ obstack code will use whatever will fit in a 4096 byte block. */
+int chunksize = 0;
/* To monitor memory allocation more effectively, make this non-zero.
Then the chunk sizes for gas and bfd will be reduced. */
return;
printed = 1;
- fprintf (stderr, "GNU assembler version %s (%s)", GAS_VERSION, TARGET_ALIAS);
+ fprintf (stderr, "GNU assembler version %s (%s)", VERSION, TARGET_ALIAS);
#ifdef BFD_ASSEMBLER
fprintf (stderr, ", using BFD version %s", BFD_VERSION);
#endif
fprintf (stderr, "\n");
}
-void
+static void
show_usage (stream)
FILE *stream;
{
Options:\n\
-a[sub-option...] turn on listings\n\
Sub-options [default hls]:\n\
+ c omit false conditionals\n\
d omit debugging directives\n\
h include high-level source\n\
l include assembly\n\
+ m include macro expansions\n\
n omit forms processing\n\
s include symbols\n\
=file set listing file name (must be last sub-option)\n");
-D produce assembler debugging messages\n\
--defsym SYM=VAL define symbol SYM to given value\n\
-f skip whitespace and comment preprocessing\n\
+--gstabs generate stabs debugging information\n\
--help show this message and exit\n\
-I DIR add DIR to search list for .include directives\n\
-J don't warn about signed overflow\n\
-K warn when differences altered for long displacements\n\
--L keep local symbols (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\
+--MD FILE write dependency information in FILE (default none)\n\
-nocpp ignored\n\
-o OBJFILE name the object-file output OBJFILE (default a.out)\n\
-R fold data section into text section\n\
--statistics print various measured statistics from execution\n\
+--strip-local-absolute strip local absolute symbols\n\
+--traditional-format Use same format as native assembler when possible\n\
--version print assembler version number and exit\n\
-W suppress warnings\n\
--t,--itbl INSTTBL extend instruction set to include instructions\n\
+--itbl INSTTBL extend instruction set to include instructions\n\
matching the specifications defined in file INSTTBL\n\
-w ignored\n\
-X ignored\n\
-Z generate object file even after errors\n");
+ fprintf (stream, "\
+--listing-lhs-width set the width in words of the output data column of\n\
+ the listing\n\
+--listing-lhs-width2 set the width in words of the continuation lines\n\
+ of the output data column; ignored if smaller than\n\
+ the width of the first line\n\
+--listing-rhs-width set the max width in characters of the lines from\n\
+ the source file\n\
+--listing-cont-lines set the maximum number of continuation lines used\n\
+ for the output data column of the listing\n");
md_show_usage (stream);
extern struct emulation mipsbelf, mipslelf, mipself;
extern struct emulation mipsbecoff, mipslecoff, mipsecoff;
+extern struct emulation i386coff, i386elf;
static struct emulation *const emulations[] = { EMULATIONS };
static const int n_emulations = sizeof (emulations) / sizeof (emulations[0]);
+static void select_emulation_mode PARAMS ((int, char **));
+
static void
select_emulation_mode (argc, argv)
int argc;
* md_parse_option definitions in config/tc-*.c
*/
-void
+static void
parse_args (pargc, pargv)
int *pargc;
char ***pargv;
#endif
'w', 'X',
/* New option for extending instruction set (see also --itbl below) */
- 't',
+ 't', ':',
'\0'
};
struct option *longopts;
static const struct option std_longopts[] = {
#define OPTION_HELP (OPTION_STD_BASE)
{"help", no_argument, NULL, OPTION_HELP},
+ {"keep-locals", no_argument, NULL, 'L'},
{"mri", no_argument, NULL, 'M'},
#define OPTION_NOCPP (OPTION_STD_BASE + 1)
{"nocpp", no_argument, NULL, OPTION_NOCPP},
list of instruction formats. The additional opcodes and their
formats are added to the built-in set of instructions, and
mnemonics for new registers may also be defined. */
- {"itbl", required_argument, NULL, OPTION_INSTTBL}
+ {"itbl", required_argument, NULL, OPTION_INSTTBL},
+#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},
+#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)
+ {"listing-cont-lines", required_argument, NULL, OPTION_LISTING_CONT_LINES},
+#define OPTION_DEPFILE (OPTION_STD_BASE + 13)
+ {"MD", required_argument, NULL, OPTION_DEPFILE},
+#define OPTION_GSTABS (OPTION_STD_BASE + 14)
+ {"gstabs", no_argument, NULL, OPTION_GSTABS},
+#define OPTION_STRIP_LOCAL_ABSOLUTE (OPTION_STD_BASE + 15)
+ {"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE},
+#define OPTION_TRADITIONAL_FORMAT (OPTION_STD_BASE + 16)
+ {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT}
};
/* Construct the option lists from the standard list and the
flag_print_statistics = 1;
break;
+ case OPTION_STRIP_LOCAL_ABSOLUTE:
+ flag_strip_local_absolute = 1;
+ break;
+
+ case OPTION_TRADITIONAL_FORMAT:
+ flag_traditional_format = 1;
+ break;
+
case OPTION_VERSION:
/* This output is intended to follow the GNU standards document. */
- printf ("GNU assembler %s\n", GAS_VERSION);
- printf ("Copyright 1996 Free Software Foundation, Inc.\n");
+ printf ("GNU assembler %s\n", VERSION);
+ printf ("Copyright 1997 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");
formats, opcodes, register names, etc. */
struct itbl_file_list *n;
+ if (optarg == NULL)
+ {
+ as_warn ( "No file name following -t option\n" );
+ break;
+ }
+
n = (struct itbl_file_list *) xmalloc (sizeof *n);
n->next = itbl_files;
n->name = optarg;
}
break;
+ case OPTION_DEPFILE:
+ start_dependencies (optarg);
+ break;
+
+ case OPTION_GSTABS:
+ debug_type = DEBUG_STABS;
+ break;
+
case 'J':
flag_signed_overflow_ok = 1;
break;
flag_keep_locals = 1;
break;
+ case OPTION_LISTING_LHS_WIDTH:
+ listing_lhs_width = atoi(optarg);
+ if (listing_lhs_width_second < listing_lhs_width)
+ listing_lhs_width_second = listing_lhs_width;
+ break;
+ case OPTION_LISTING_LHS_WIDTH2:
+ {
+ int tmp = atoi(optarg);
+ if (tmp > listing_lhs_width)
+ listing_lhs_width_second = tmp;
+ }
+ break;
+ case OPTION_LISTING_RHS_WIDTH:
+ listing_rhs_width = atoi(optarg);
+ break;
+ case OPTION_LISTING_CONT_LINES:
+ listing_lhs_cont_lines = atoi(optarg);
+ break;
+
case 'M':
flag_mri = 1;
#ifdef TC_M68K
{
switch (*optarg)
{
+ case 'c':
+ listing |= LISTING_NOCOND;
+ break;
case 'd':
listing |= LISTING_NODEBUG;
break;
case 'l':
listing |= LISTING_LISTING;
break;
+ case 'm':
+ listing |= LISTING_MACEXP;
+ break;
case 'n':
listing |= LISTING_NOFORM;
break;
*pargv = new_argv;
}
-static void dump_statistics ();
static long start_time;
int
perform_an_assembly_pass (argc, argv); /* Assemble it. */
+ cond_finish_check (-1);
+
#ifdef md_end
md_end ();
#endif
else
keep_it = 0;
+#if defined (BFD_ASSEMBLER) || !defined (BFD)
+ /* This used to be done at the start of write_object_file in
+ write.c, but that caused problems when doing listings when
+ keep_it was zero. This could probably be moved above md_end, but
+ I didn't want to risk the change. */
+ subsegs_finish ();
+#endif
+
if (keep_it)
write_object_file ();
may not place the same interpretation on the value given. */
if (had_errors () > 0)
xexit (EXIT_FAILURE);
+
+ /* Only generate dependency file if assembler was successful. */
+ print_dependencies ();
+
xexit (EXIT_SUCCESS);
}
projects / deliverable / binutils-gdb.git / blobdiff