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* as.c: change -l to -a[lsn], to avoid conflict with 68000

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command line option.

	* listing.h, listing.c: now prints addresses with ??? instead of 0 when
	errors in assemble prevent addresses being known. Prints
	symbol table more tidily. Allows different parts of the
	listing to be selected.
This commit is contained in:
Steve Chamberlain 1992-01-21 22:14:16 +00:00
parent 7316c642a3
commit 5d9f0ecf62
5 changed files with 1727 additions and 412 deletions
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99
gas/as.c
View file

@ -5,7 +5,7 @@ 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 1, or (at your option)
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,
@ -45,7 +45,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define COMMON
#include "as.h"
#include "subsegs.h"
#ifdef __STDC__
/* This prototype for got_sig() is ansi. If you want
@ -77,6 +77,8 @@ static char * gdb_symbol_file_name;
long gdb_begin();
#endif
int listing; /* true if a listing is wanted */
char *myname; /* argv[0] */
extern char version_string[];
@ -139,10 +141,42 @@ char **argv;
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);
/* if (flagseen[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 '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;
}
}
}
break;
case 'f':
break; /* -f means fast - no need for "app" preprocessor. */
@ -167,7 +201,7 @@ char **argv;
case 'I': { /* Include file directory */
char *temp;
char *temp = NULL;
if (*arg)
temp = stralloc (arg);
else if (work_argc) {
@ -264,6 +298,10 @@ char **argv;
input_scrub_end();
md_end(); /* MACHINE.c */
#ifndef NO_LISTING
listing_print();
#endif
#ifndef VMS
return((had_warnings() && flagseen['Z'])
|| had_errors() > 0); /* WIN */
@ -290,26 +328,43 @@ static void perform_an_assembly_pass(argc, argv)
int argc;
char **argv;
{
int saw_a_file = 0;
int saw_a_file = 0;
unsigned int i;
need_pass_2 = 0;
text_fix_root = NULL;
data_fix_root = NULL;
need_pass_2 = 0;
#ifdef MANY_SEGMENTS
subseg_new (SEG_TEXT, 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;
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("");
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("");
} /* perform_an_assembly_pass() */
/*