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2001-11-16 Michael Snyder <msnyder@redhat.com> 

* stabs.c (stabs_generate_asm_lineno): Remember file and line number
	from one call to the next, and eliminate consecutive duplicates
	(thereby emitting only one line symbol per source line).
	* dwarf2dbg.c (dwarf2_gen_line_info): Ditto.
This commit is contained in:
Michael Snyder 2001-12-04 23:07:26 +00:00
parent bafae9c48d
commit 1ea5c32521
3 changed files with 47 additions and 4 deletions
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7
gas/ChangeLog
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@ -116,6 +116,13 @@
* config/tc-cris.c (md_apply_fix3): Cast value, not pointer, in
val assignment.
2001-11-16 Michael Snyder <msnyder@redhat.com>
* stabs.c (stabs_generate_asm_lineno): Remember file and line number
from one call to the next, and eliminate consecutive duplicates
(thereby emitting only one line symbol per source line).
* dwarf2dbg.c (dwarf2_gen_line_info): Ditto.
2001-11-16 Alan Modra <amodra@bigpond.net.au>
* config/tc-m68k.c (md_apply_fix3): Change val back to a signed type.

9
gas/dwarf2dbg.c
View File

@ -230,11 +230,20 @@ dwarf2_gen_line_info (ofs, loc)
{
struct line_subseg *ss;
struct line_entry *e;
static unsigned int line = -1;
static unsigned int filenum = -1;
/* Early out for as-yet incomplete location information. */
if (loc->filenum == 0 || loc->line == 0)
return;
/* Don't emit sequences of line symbols for the same line. */
if (line == loc->line && filenum == loc->filenum)
return;
line = loc->line;
filenum = loc->filenum;
e = (struct line_entry *) xmalloc (sizeof (*e));
e->next = NULL;
e->frag = frag_now;

35
gas/stabs.c
View File

@ -580,10 +580,9 @@ stabs_generate_asm_lineno ()
unsigned int lineno;
char *buf;
char sym[30];
/* Let the world know that we are in the middle of generating a
piece of stabs line debugging information. */
outputting_stabs_line_debug = 1;
/* Remember the last file/line and avoid duplicates. */
static unsigned int prev_lineno = -1;
static char *prev_file = NULL;
/* Rather than try to do this in some efficient fashion, we just
generate a string and then parse it again. That lets us use the
@ -594,6 +593,34 @@ stabs_generate_asm_lineno ()
as_where (&file, &lineno);
/* Don't emit sequences of stabs for the same line. */
if (prev_file == NULL)
{
/* First time thru. */
prev_file = xstrdup (file);
prev_lineno = lineno;
}
else if (lineno == prev_lineno
&& strcmp (file, prev_file) == 0)
{
/* Same file/line as last time. */
return;
}
else
{
/* Remember file/line for next time. */
prev_lineno = lineno;
if (strcmp (file, prev_file) != 0)
{
free (prev_file);
prev_file = xstrdup (file);
}
}
/* Let the world know that we are in the middle of generating a
piece of stabs line debugging information. */
outputting_stabs_line_debug = 1;
generate_asm_file (N_SOL, file);
sprintf (sym, "%sL%d", FAKE_LABEL_NAME, label_count);