diff options
Diffstat (limited to 'bfd/opncls.c')
| -rw-r--r-- | bfd/opncls.c | 41 |
1 files changed, 32 insertions, 9 deletions
diff --git a/bfd/opncls.c b/bfd/opncls.c index cd9c826dd4..f29b2c8a37 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); } |