aboutsummaryrefslogtreecommitdiff
path: root/gas
diff options
context:
space:
mode:
authorRichard Henderson <rth@redhat.com>1997-10-15 03:56:30 +0000
committerRichard Henderson <rth@redhat.com>1997-10-15 03:56:30 +0000
commit08ce71f5c458418235ca953df848ca5604f24b3d (patch)
treed05ccd45d06fbf69a6151ed8523fcc9f1b59e791 /gas
parent10b8f7f036e9bd6389f6c71edac032aeab5a01e3 (diff)
downloadgdb-08ce71f5c458418235ca953df848ca5604f24b3d.zip
gdb-08ce71f5c458418235ca953df848ca5604f24b3d.tar.gz
gdb-08ce71f5c458418235ca953df848ca5604f24b3d.tar.bz2
* read.c (get_line_sb): Accept any eol marker while scanning macros.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog4
-rw-r--r--gas/read.c64
2 files changed, 61 insertions, 7 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 010e832..ef6a516 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,7 @@
+Tue Oct 14 20:50:58 1997 Richard Henderson <rth@cygnus.com>
+
+ * read.c (get_line_sb): Accept any eol marker while scanning macros.
+
Tue Oct 14 19:12:45 1997 Richard Henderson <rth@cygnus.com>
* config/tc-alpha.h (DIFF_EXPR_OK): Define.
diff --git a/gas/read.c b/gas/read.c
index bdd8864..5c96735 100644
--- a/gas/read.c
+++ b/gas/read.c
@@ -1551,7 +1551,8 @@ s_app_file (appfile)
/* If this is a fake .appfile, a fake newline was inserted into
the buffer. Passing -2 to new_logical_line tells it to
account for it. */
- new_logical_line (s, appfile ? -2 : -1);
+ int may_omit
+ = (! new_logical_line (s, appfile ? -2 : -1) && appfile);
/* In MRI mode, the preprocessor may have inserted an extraneous
backquote. */
@@ -1561,15 +1562,18 @@ s_app_file (appfile)
++input_line_pointer;
demand_empty_rest_of_line ();
+ if (! may_omit)
+ {
#ifdef LISTING
- if (listing)
- listing_source_file (s);
+ if (listing)
+ listing_source_file (s);
#endif
- register_dependency (s);
- }
+ register_dependency (s);
#ifdef obj_app_file
- obj_app_file (s);
+ obj_app_file (s);
#endif
+ }
+ }
}
/* Handle the .appline pseudo-op. This is automatically generated by
@@ -2181,7 +2185,8 @@ get_line_sb (line)
}
sb_add_char (line, *input_line_pointer++);
}
- while (input_line_pointer < buffer_limit && *input_line_pointer == '\n')
+ while (input_line_pointer < buffer_limit
+ && is_end_of_line[(unsigned char) *input_line_pointer])
{
if (input_line_pointer[-1] == '\n')
bump_line_counters ();
@@ -3236,6 +3241,31 @@ emit_expr (exp, nbytes)
if (need_pass_2)
return;
+#ifndef NO_LISTING
+#ifdef OBJ_ELF
+ /* When gcc emits DWARF 1 debugging pseudo-ops, a line number will
+ appear as a four byte positive constant in the .line section,
+ followed by a 2 byte 0xffff. Look for that case here. */
+ {
+ static int dwarf_line = -1;
+
+ if (strcmp (segment_name (now_seg), ".line") != 0)
+ dwarf_line = -1;
+ else if (dwarf_line >= 0
+ && nbytes == 2
+ && exp->X_op == O_constant
+ && (exp->X_add_number == -1 || exp->X_add_number == 0xffff))
+ listing_source_line ((unsigned int) dwarf_line);
+ else if (nbytes == 4
+ && exp->X_op == O_constant
+ && exp->X_add_number >= 0)
+ dwarf_line = exp->X_add_number;
+ else
+ dwarf_line = -1;
+ }
+#endif
+#endif
+
op = exp->X_op;
/* Allow `.word 0' in the absolute section. */
@@ -4254,6 +4284,7 @@ stringer (append_zero) /* Worker to do .ascii etc statements. */
register int append_zero; /* 0: don't append '\0', else 1 */
{
register unsigned int c;
+ char *start;
#ifdef md_flush_pending_output
md_flush_pending_output ();
@@ -4283,6 +4314,7 @@ stringer (append_zero) /* Worker to do .ascii etc statements. */
{
case '\"':
++input_line_pointer; /*->1st char of string. */
+ start = input_line_pointer;
while (is_a_char (c = next_char_of_string ()))
{
FRAG_APPEND_1_CHAR (c);
@@ -4292,6 +4324,24 @@ stringer (append_zero) /* Worker to do .ascii etc statements. */
FRAG_APPEND_1_CHAR (0);
}
know (input_line_pointer[-1] == '\"');
+
+#ifndef NO_LISTING
+#ifdef OBJ_ELF
+ /* In ELF, when gcc is emitting DWARF 1 debugging output, it
+ will emit .string with a filename in the .debug_sfnames
+ section to indicate a file name. I don't know if this
+ will work for compilers other than gcc, and I don't know
+ if it will work for DWARF 2. */
+ if (strcmp (segment_name (now_seg), ".debug_sfnames") == 0)
+ {
+ c = input_line_pointer[-1];
+ input_line_pointer[-1] = '\0';
+ listing_source_file (start);
+ input_line_pointer[-1] = c;
+ }
+#endif
+#endif
+
break;
case '<':
input_line_pointer++;