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-rw-r--r--bfd/ChangeLog8
-rw-r--r--bfd/bfd-in2.h3
-rw-r--r--bfd/opncls.c41
3 files changed, 42 insertions, 10 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index c5d9827..e8534dd 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,11 @@
+2013-10-08 Tom Tromey <tromey@redhat.com>
+
+ * bfd-in2.h: Rebuild.
+ * opncls.c (bfd_get_alt_debug_link_info): Add buildid_len
+ parameter. Change type of buildid_out. Update.
+ (get_alt_debug_link_info_shim): New function.
+ (bfd_follow_gnu_debuglink): Use it.
+
2013-10-08 Andreas Schwab <schwab@suse.de>
* elf32-m68k.c (elf_m68k_size_dynamic_sections): Add DT_DEBUG also
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 41f7a68..67eb7da 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -1067,7 +1067,8 @@ unsigned long bfd_calc_gnu_debuglink_crc32
char *bfd_get_debug_link_info (bfd *abfd, unsigned long *crc32_out);
-char *bfd_get_alt_debug_link_info (bfd *abfd, unsigned long *crc32_out);
+char *bfd_get_alt_debug_link_info (bfd * abfd, size_t *buildid_len,
+ bfd_byte **buildid_out);
char *bfd_follow_gnu_debuglink (bfd *abfd, const char *dir);
diff --git a/bfd/opncls.c b/bfd/opncls.c
index cd9c826..f29b2c8 100644
--- a/bfd/opncls.c
+++ b/bfd/opncls.c
@@ -1194,18 +1194,21 @@ FUNCTION
bfd_get_alt_debug_link_info
SYNOPSIS
- char *bfd_get_alt_debug_link_info (bfd *abfd, unsigned long *crc32_out);
+ char *bfd_get_alt_debug_link_info (bfd * abfd, size_t *buildid_len,
+ bfd_byte **buildid_out);
DESCRIPTION
Fetch the filename and BuildID value for any alternate debuginfo
associated with @var{abfd}. Return NULL if no such info found,
- otherwise return filename and update @var{buildid_out}. The
- returned filename is allocated with @code{malloc}; freeing it
- is the responsibility of the caller.
+ otherwise return filename and update @var{buildid_len} and
+ @var{buildid_out}. The returned filename and build_id are
+ allocated with @code{malloc}; freeing them is the
+ responsibility of the caller.
*/
char *
-bfd_get_alt_debug_link_info (bfd * abfd, unsigned long * buildid_out)
+bfd_get_alt_debug_link_info (bfd * abfd, size_t *buildid_len,
+ bfd_byte **buildid_out)
{
asection *sect;
bfd_byte *contents;
@@ -1213,6 +1216,7 @@ bfd_get_alt_debug_link_info (bfd * abfd, unsigned long * buildid_out)
char *name;
BFD_ASSERT (abfd);
+ BFD_ASSERT (buildid_len);
BFD_ASSERT (buildid_out);
sect = bfd_get_section_by_name (abfd, GNU_DEBUGALTLINK);
@@ -1227,12 +1231,13 @@ bfd_get_alt_debug_link_info (bfd * abfd, unsigned long * buildid_out)
return NULL;
}
- /* BuildID value is stored after the filename, aligned up to 4 bytes. */
+ /* BuildID value is stored after the filename. */
name = (char *) contents;
buildid_offset = strlen (name) + 1;
- buildid_offset = (buildid_offset + 3) & ~3;
- * buildid_out = bfd_get_32 (abfd, contents + buildid_offset);
+ *buildid_len = bfd_get_section_size (sect) - buildid_offset;
+ *buildid_out = bfd_malloc (*buildid_len);
+ memcpy (*buildid_out, contents + buildid_offset, *buildid_len);
return name;
}
@@ -1466,6 +1471,24 @@ bfd_follow_gnu_debuglink (bfd *abfd, const char *dir)
separate_debug_file_exists);
}
+/* Helper for bfd_follow_gnu_debugaltlink. It just pretends to return
+ a CRC. .gnu_debugaltlink supplies a build-id, which is different,
+ but this is ok because separate_alt_debug_file_exists ignores the
+ CRC anyway. */
+
+static char *
+get_alt_debug_link_info_shim (bfd * abfd, unsigned long *crc32_out)
+{
+ size_t len;
+ bfd_byte *buildid = NULL;
+ char *result = bfd_get_alt_debug_link_info (abfd, &len, &buildid);
+
+ *crc32_out = 0;
+ free (buildid);
+
+ return result;
+}
+
/*
FUNCTION
bfd_follow_gnu_debugaltlink
@@ -1496,7 +1519,7 @@ char *
bfd_follow_gnu_debugaltlink (bfd *abfd, const char *dir)
{
return find_separate_debug_file (abfd, dir,
- bfd_get_alt_debug_link_info,
+ get_alt_debug_link_info_shim,
separate_alt_debug_file_exists);
}