gdb/gdb-6.3-sepcrc-20050402.patch

97 lines
3.1 KiB
Diff
Raw Normal View History

2005-04-02 Andrew Cagney <cagney@gnu.org>
* symfile.c (separate_debug_file_exists): When the CRCs mismatch
print a warning.
(find_separate_debug_file): Pass in the objfile's name.
Index: gdb-6.8/gdb/symfile.c
===================================================================
--- gdb-6.8.orig/gdb/symfile.c 2008-01-29 23:47:20.000000000 +0100
+++ gdb-6.8/gdb/symfile.c 2008-07-14 10:26:30.000000000 +0200
@@ -1348,7 +1348,8 @@ get_debug_link_info (struct objfile *obj
}
static int
-separate_debug_file_exists (const char *name, unsigned long crc)
+separate_debug_file_exists (const char *name, unsigned long crc,
+ const char *parent_name)
{
unsigned long file_crc = 0;
int fd;
@@ -1357,6 +1358,12 @@ separate_debug_file_exists (const char *
fd = open (name, O_RDONLY | O_BINARY);
if (fd < 0)
+ /* Fail silently, this preserves existing behavior. The
+ assumption here is that the file wasn't found because there's
+ no file to find (we shouldn't be printing warnings about
+ missing debug info files when the user hasn't installed them).
+ The alternative is to complain here - that better belongs in a
+ warning. */
return 0;
while ((count = read (fd, buffer, sizeof (buffer))) > 0)
@@ -1364,7 +1371,16 @@ separate_debug_file_exists (const char *
close (fd);
- return crc == file_crc;
+ if (crc != file_crc)
+ {
+ warning (_("the debug information found in \"%s\""
+ " does not match \"%s\" (CRC mismatch).\n"),
+ name, parent_name);
+ return 0;
+ }
+
+ /* No worries! */
+ return 1;
}
char *debug_file_directory = NULL;
@@ -1416,6 +1432,8 @@ find_separate_debug_file (struct objfile
basename = get_debug_link_info (objfile, &crc32);
if (basename == NULL)
+ /* There's no separate debug info, hence there's no way we could
+ load it => no warning. */
return NULL;
dir = xstrdup (objfile->name);
@@ -1443,7 +1461,7 @@ find_separate_debug_file (struct objfile
strcpy (debugfile, dir);
strcat (debugfile, basename);
- if (separate_debug_file_exists (debugfile, crc32))
+ if (separate_debug_file_exists (debugfile, crc32, objfile->name))
{
xfree (basename);
xfree (dir);
@@ -1456,7 +1474,7 @@ find_separate_debug_file (struct objfile
strcat (debugfile, "/");
strcat (debugfile, basename);
- if (separate_debug_file_exists (debugfile, crc32))
+ if (separate_debug_file_exists (debugfile, crc32, objfile->name))
{
xfree (basename);
xfree (dir);
@@ -1469,7 +1487,7 @@ find_separate_debug_file (struct objfile
strcat (debugfile, dir);
strcat (debugfile, basename);
- if (separate_debug_file_exists (debugfile, crc32))
+ if (separate_debug_file_exists (debugfile, crc32, objfile->name))
{
xfree (basename);
xfree (dir);
@@ -1488,7 +1506,7 @@ find_separate_debug_file (struct objfile
strcat (debugfile, "/");
strcat (debugfile, basename);
- if (separate_debug_file_exists (debugfile, crc32))
+ if (separate_debug_file_exists (debugfile, crc32, objfile->name))
{
xfree (canon_name);
xfree (basename);