From d3a44ec61fa6afe54544fca32485cc47921fe7dc Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Fri, 12 Jun 2009 10:19:54 +0000 Subject: [PATCH] * readelf.c (process_symbol_table): Don't return early if .hash/.gnu.hash is empty/unusable and not -D. --- binutils/ChangeLog | 5 +++++ binutils/readelf.c | 47 +++++++++++++++++++++++++++++++--------------- 2 files changed, 37 insertions(+), 15 deletions(-) diff --git a/binutils/ChangeLog b/binutils/ChangeLog index b0a9be5be32..76bf2a9951e 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,8 @@ +2009-06-12 Jakub Jelinek + + * readelf.c (process_symbol_table): Don't return early if + .hash/.gnu.hash is empty/unusable and not -D. + 2009-06-09 Tom Bramer PR 10165 diff --git a/binutils/readelf.c b/binutils/readelf.c index 4727a840cbc..af372fd44d9 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -7152,19 +7152,19 @@ process_symbol_table (FILE * file) SEEK_SET)) { error (_("Unable to seek to start of dynamic information\n")); - return 0; + goto no_hash; } if (fread (nb, hash_ent_size, 1, file) != 1) { error (_("Failed to read in number of buckets\n")); - return 0; + goto no_hash; } if (fread (nc, hash_ent_size, 1, file) != 1) { error (_("Failed to read in number of chains\n")); - return 0; + goto no_hash; } nbuckets = byte_get (nb, hash_ent_size); @@ -7173,8 +7173,18 @@ process_symbol_table (FILE * file) buckets = get_dynamic_data (file, nbuckets, hash_ent_size); chains = get_dynamic_data (file, nchains, hash_ent_size); + no_hash: if (buckets == NULL || chains == NULL) - return 0; + { + if (do_using_dynamic) + return 0; + free (buckets); + free (chains); + buckets = NULL; + chains = NULL; + nbuckets = 0; + nchains = 0; + } } if (dynamic_info_DT_GNU_HASH @@ -7192,13 +7202,13 @@ process_symbol_table (FILE * file) SEEK_SET)) { error (_("Unable to seek to start of dynamic information\n")); - return 0; + goto no_gnu_hash; } if (fread (nb, 16, 1, file) != 1) { error (_("Failed to read in number of buckets\n")); - return 0; + goto no_gnu_hash; } ngnubuckets = byte_get (nb, 4); @@ -7216,13 +7226,13 @@ process_symbol_table (FILE * file) SEEK_SET)) { error (_("Unable to seek to start of dynamic information\n")); - return 0; + goto no_gnu_hash; } gnubuckets = get_dynamic_data (file, ngnubuckets, 4); if (gnubuckets == NULL) - return 0; + goto no_gnu_hash; for (i = 0; i < ngnubuckets; i++) if (gnubuckets[i] != 0) @@ -7235,7 +7245,7 @@ process_symbol_table (FILE * file) } if (maxchain == 0xffffffff) - return 0; + goto no_gnu_hash; maxchain -= gnusymidx; @@ -7246,7 +7256,7 @@ process_symbol_table (FILE * file) SEEK_SET)) { error (_("Unable to seek to start of dynamic information\n")); - return 0; + goto no_gnu_hash; } do @@ -7254,11 +7264,11 @@ process_symbol_table (FILE * file) if (fread (nb, 4, 1, file) != 1) { error (_("Failed to determine last chain length\n")); - return 0; + goto no_gnu_hash; } if (maxchain + 1 == 0) - return 0; + goto no_gnu_hash; ++maxchain; } @@ -7270,13 +7280,20 @@ process_symbol_table (FILE * file) SEEK_SET)) { error (_("Unable to seek to start of dynamic information\n")); - return 0; + goto no_gnu_hash; } gnuchains = get_dynamic_data (file, maxchain, 4); + no_gnu_hash: if (gnuchains == NULL) - return 0; + { + free (gnubuckets); + if (do_using_dynamic) + return 0; + gnubuckets = NULL; + ngnubuckets = 0; + } } if ((dynamic_info[DT_HASH] || dynamic_info_DT_GNU_HASH) @@ -7608,7 +7625,7 @@ process_symbol_table (FILE * file) free (chains); } - if (do_histogram && dynamic_info_DT_GNU_HASH) + if (do_histogram && gnubuckets != NULL) { unsigned long * lengths; unsigned long * counts; -- 2.30.2