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-rw-r--r--gas/as.c263
1 files changed, 135 insertions, 128 deletions
diff --git a/gas/as.c b/gas/as.c
index c975766..a158ea5 100644
--- a/gas/as.c
+++ b/gas/as.c
@@ -1,23 +1,21 @@
/* as.c - GAS main program.
Copyright (C) 1987, 1990, 1991 Free Software Foundation, Inc.
-
-This file is part of GAS, the GNU Assembler.
-
-GAS 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.
-
-GAS 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 GAS; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/* static const char rcsid[] = "$Id$"; */
+
+ This file is part of GAS, the GNU Assembler.
+
+ GAS 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.
+
+ GAS 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 GAS; see the file COPYING. If not, write to
+ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
* Main program for AS; a 32-bit assembler of GNU.
@@ -48,11 +46,11 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "subsegs.h"
#ifdef __STDC__
- /* This prototype for got_sig() is ansi. If you want
- anything else, then your compiler is lying to you when
- it says that it is __STDC__. If you want to change it,
- #ifdef protect it from those of us with real ansi
- compilers. */
+/* This prototype for got_sig() is ansi. If you want
+ anything else, then your compiler is lying to you when
+ it says that it is __STDC__. If you want to change it,
+ #ifdef protect it from those of us with real ansi
+ compilers. */
#define SIGTY void
@@ -91,18 +89,18 @@ char **argv;
char *arg; /* an arg to program */
char a; /* an arg flag (after -) */
static const int sig[] = { SIGHUP, SIGINT, SIGPIPE, SIGTERM, 0};
-
+
for(a=0;sig[a]!=0;a++)
- if(signal(sig[a], SIG_IGN) != SIG_IGN)
- signal(sig[a], got_sig);
-
+ if(signal(sig[a], SIG_IGN) != SIG_IGN)
+ signal(sig[a], got_sig);
+
myname=argv[0];
bzero (flagseen, sizeof(flagseen)); /* aint seen nothing yet */
#ifndef OBJ_DEFAULT_OUTPUT_FILE_NAME
#define OBJ_DEFAULT_OUTPUT_FILE_NAME "a.out"
#endif /* OBJ_DEFAULT_OUTPUT_FILE_NAME */
out_file_name = OBJ_DEFAULT_OUTPUT_FILE_NAME;
-
+
symbol_begin(); /* symbols.c */
subsegs_begin(); /* subsegs.c */
read_begin(); /* read.c */
@@ -121,84 +119,93 @@ char **argv;
* name(s) and ""(s) denoting stdin. These file names are used
* (perhaps more than once) later.
*/
- /* FIXME-SOMEDAY this should use getopt. */
+ /* FIXME-SOMEDAY this should use getopt. */
work_argc = argc-1; /* don't count argv[0] */
work_argv = argv+1; /* skip argv[0] */
for (;work_argc--;work_argv++) {
arg = * work_argv; /* work_argv points to this argument */
-
+
if (*arg!='-') /* Filename. We need it later. */
- continue; /* Keep scanning args looking for flags. */
+ continue; /* Keep scanning args looking for flags. */
if (arg[1] == '-' && arg[2] == 0) {
/* "--" as an argument means read STDIN */
/* on this scan, we don't want to think about filenames */
* work_argv = ""; /* Code that means 'use stdin'. */
continue;
}
- /* This better be a switch. */
+ /* This better be a switch. */
arg ++; /*->letter. */
-
+
while ((a = * arg) != '\0') {/* scan all the 1-char flags */
arg ++; /* arg->after letter. */
a &= 0x7F; /* ascii only please */
/* if (flagseen[a])
- as_tsktsk("%s: Flag option - %c has already been seen.", myname, a); */
+ as_tsktsk("%s: Flag option - %c has already been seen.", myname, a); */
flagseen[a] = 1;
switch (a) {
-
- case 'a':
- {
- int loop =1;
-
- while (loop) {
- switch (*arg)
+
+ case 'a':
{
- case 'l':
- listing |= LISTING_LISTING;
- arg++;
- break;
- case 's':
- listing |= LISTING_SYMBOLS;
- arg++;
- break;
- case 'n':
- listing |= LISTING_NOFORM;
- arg++;
- break;
- default:
- if (!listing)
- listing= LISTING_DEFAULT;
- loop = 0;
- break;
+ int loop =1;
+
+ while (loop) {
+ switch (*arg)
+ {
+ case 'l':
+ listing |= LISTING_LISTING;
+ arg++;
+ break;
+ case 's':
+ listing |= LISTING_SYMBOLS;
+ arg++;
+ break;
+ case 'h':
+ listing |= LISTING_HLL;
+ arg++;
+ break;
+
+ case 'n':
+ listing |= LISTING_NOFORM;
+ arg++;
+ break;
+ case 'd':
+ listing |= LISTING_NODEBUG;
+ arg++;
+ break;
+ default:
+ if (!listing)
+ listing= LISTING_DEFAULT;
+ loop = 0;
+ break;
+ }
+ }
}
- }
- }
-
- break;
-
-
+
+ break;
+
+
case 'f':
break; /* -f means fast - no need for "app" preprocessor. */
-
+
case 'D':
/* DEBUG is implemented: it debugs different */
/* things to other people's assemblers. */
break;
-
+
#ifdef DONTDEF
case 'G': /* GNU AS switch: include gdbsyms. */
if (*arg) /* Rest of argument is file-name. */
- gdb_symbol_file_name = stralloc (arg);
+ gdb_symbol_file_name = stralloc (arg);
else if (work_argc) { /* Next argument is file-name. */
work_argc --;
* work_argv = NULL; /* Not a source file-name. */
gdb_symbol_file_name = * ++ work_argv;
} else
- as_warn("%s: I expected a filename after -G", myname);
+ as_warn("%s: I expected a filename after -G", myname);
arg = ""; /* Finished with this arg. */
break;
#endif
-
+
case 'I': { /* Include file directory */
char *temp = NULL;
@@ -214,45 +221,45 @@ char **argv;
arg = ""; /* Finished with this arg. */
break;
}
-
+
#ifndef WORKING_DOT_WORD
case 'k':
break;
#endif
-
+
case 'L': /* -L means keep L* symbols */
break;
-
+
case 'o':
if (*arg) /* Rest of argument is object file-name. */
- out_file_name = stralloc (arg);
+ out_file_name = stralloc (arg);
else if (work_argc) { /* Want next arg for a file-name. */
* work_argv = NULL; /* This is not a file-name. */
work_argc--;
out_file_name = * ++ work_argv;
} else
- as_warn("%s: I expected a filename after -o. \"%s\" assumed.", myname, out_file_name);
+ as_warn("%s: I expected a filename after -o. \"%s\" assumed.", myname, out_file_name);
arg = ""; /* Finished with this arg. */
break;
-
+
case 'R':
/* -R means put data into text segment */
break;
-
+
case 'v':
#ifdef VMS
{
- extern char *compiler_version_string;
- compiler_version_string = arg;
+ extern char *compiler_version_string;
+ compiler_version_string = arg;
}
#else /* not VMS */
fprintf(stderr,version_string);
if(*arg && strcmp(arg,"ersion"))
- as_warn("Unknown -v option ignored");
+ as_warn("Unknown -v option ignored");
#endif
while(*arg) arg++; /* Skip the rest */
break;
-
+
case 'W':
/* -W means don't warn about things */
case 'X':
@@ -260,13 +267,13 @@ char **argv;
case 'Z':
/* -Z means attempt to generate object file even after errors. */
break;
-
+
default:
--arg;
if(md_parse_option(&arg,&work_argc,&work_argv)==0)
- as_warn("%s: I don't understand '%c' flag.", myname, a);
+ as_warn("%s: I don't understand '%c' flag.", myname, a);
if(arg && *arg)
- arg++;
+ arg++;
break;
}
}
@@ -282,7 +289,7 @@ char **argv;
}
#ifdef DONTDEF
if (gdb_begin(gdb_symbol_file_name) == 0)
- flagseen ['G'] = 0; /* Don't do any gdbsym stuff. */
+ flagseen ['G'] = 0; /* Don't do any gdbsym stuff. */
#endif
/* Here with flags set up in flagseen[]. */
perform_an_assembly_pass(argc,argv); /* Assemble it. */
@@ -294,14 +301,14 @@ char **argv;
|| had_errors() > 0)) {
write_object_file(); /* relax() addresses then emit object file */
} /* we also check in write_object_file() just before emit. */
-
+
input_scrub_end();
md_end(); /* MACHINE.c */
-
+
#ifndef NO_LISTING
listing_print();
#endif
-
+
#ifndef VMS
return((had_warnings() && flagseen['Z'])
|| had_errors() > 0); /* WIN */
@@ -309,7 +316,7 @@ char **argv;
return(!((had_warnings() && flagseen['Z'])
|| had_errors() > 0)); /* WIN */
#endif /* VMS */
-
+
} /* main() */
@@ -328,43 +335,43 @@ static void perform_an_assembly_pass(argc, argv)
int argc;
char **argv;
{
- int saw_a_file = 0;
- unsigned int i;
- need_pass_2 = 0;
-
+ int saw_a_file = 0;
+ unsigned int i;
+ need_pass_2 = 0;
+
#ifdef MANY_SEGMENTS
-
- for (i= SEG_E0; i < SEG_UNKNOWN; i++)
- {
- segment_info[i].fix_root = 0;
- }
- /* Create the three fixed ones */
- subseg_new (SEG_E0, 0);
- subseg_new (SEG_E1, 0);
- subseg_new (SEG_E2, 0);
- strcpy(segment_info[SEG_E0].scnhdr.s_name,".text");
- strcpy(segment_info[SEG_E1].scnhdr.s_name,".data");
- strcpy(segment_info[SEG_E2].scnhdr.s_name,".bss");
-
- subseg_new (SEG_E0, 0);
+
+ for (i= SEG_E0; i < SEG_UNKNOWN; i++)
+ {
+ segment_info[i].fix_root = 0;
+ }
+ /* Create the three fixed ones */
+ subseg_new (SEG_E0, 0);
+ subseg_new (SEG_E1, 0);
+ subseg_new (SEG_E2, 0);
+ strcpy(segment_info[SEG_E0].scnhdr.s_name,".text");
+ strcpy(segment_info[SEG_E1].scnhdr.s_name,".data");
+ strcpy(segment_info[SEG_E2].scnhdr.s_name,".bss");
+
+ subseg_new (SEG_E0, 0);
#else
- text_fix_root = NULL;
- data_fix_root = NULL;
-
- subseg_new (SEG_TEXT, 0);
+ text_fix_root = NULL;
+ data_fix_root = NULL;
+
+ subseg_new (SEG_TEXT, 0);
#endif
- argv++; /* skip argv[0] */
- argc--; /* skip argv[0] */
- while (argc--) {
- if (*argv) { /* Is it a file-name argument? */
- saw_a_file++;
- /* argv->"" if stdin desired, else->filename */
- read_a_source_file(*argv);
- }
- argv++; /* completed that argv */
- }
- if(!saw_a_file)
- read_a_source_file("");
+ argv++; /* skip argv[0] */
+ argc--; /* skip argv[0] */
+ while (argc--) {
+ if (*argv) { /* Is it a file-name argument? */
+ saw_a_file++;
+ /* argv->"" if stdin desired, else->filename */
+ read_a_source_file(*argv);
+ }
+ argv++; /* completed that argv */
+ }
+ if(!saw_a_file)
+ read_a_source_file("");
} /* perform_an_assembly_pass() */
/*
@@ -375,12 +382,12 @@ char **argv;
*/
static char *
-stralloc (str)
+ stralloc (str)
char * str;
{
register char * retval;
register long len;
-
+
len = strlen (str) + 1;
retval = xmalloc (len);
(void) strcpy(retval, str);
@@ -395,14 +402,14 @@ static void lose() {
#endif /* comment */
static SIGTY
-got_sig(sig)
+ got_sig(sig)
int sig;
{
static here_before = 0;
-
+
as_bad("Interrupted by signal %d", sig);
if(here_before++)
- exit(1);
+ exit(1);
return((SIGTY) 0);
}
@@ -413,4 +420,4 @@ int sig;
* End:
*/
-/* end: as.c */
+/* end of as.c */