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| author | Daniel Gutson <dgutson@codesourcery.com> | 2010-02-12 20:52:52 +0000 |
|---|---|---|
| committer | Daniel Gutson <dgutson@codesourcery.com> | 2010-02-12 20:52:52 +0000 |
| commit | 3381116249433c4b03de8c30868c2e7d11ef9d43 (patch) | |
| tree | 6a86faf13ab3541759069a7c75b1218055a6354a /bfd | |
| parent | 77551a33a8ccccbd9900ee1fc921d13aac70ab92 (diff) | |
| download | gdb-3381116249433c4b03de8c30868c2e7d11ef9d43.zip gdb-3381116249433c4b03de8c30868c2e7d11ef9d43.tar.gz gdb-3381116249433c4b03de8c30868c2e7d11ef9d43.tar.bz2 | |
2010-02-12 Daniel Gutson <dgutson@codesourcery.com>
bfd/
* elf32-arm.c (elf32_arm_output_arch_local_syms): add
missing mapping symbol to data only sections.
ld/testsuite/
* ld-arm/arm-elf.exp (armelftests): New test case added.
* ld-arm/data-only-map.s: New file.
* ld-arm/data-only-map.d: New file.
* ld-arm/data-only-map.ld: New file.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elf32-arm.c | 31 |
2 files changed, 35 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index fd505bc..a3bec44 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2010-02-12 Daniel Gutson <dgutson@codesourcery.com> + + * elf32-arm.c (elf32_arm_output_arch_local_syms): add + missing mapping symbol to data only sections. + 2010-02-11 David S. Miller <davem@davemloft.net> * elfxx-sparc.c (_bfd_sparc_elf_check_relocs): For R_SPARC_GOTDATA_OP_HIX22 diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index 8f8d32c..0661369 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -13004,7 +13004,9 @@ arm_map_one_stub (struct bfd_hash_entry * gen_entry, return TRUE; } -/* Output mapping symbols for linker generated sections. */ +/* Output mapping symbols for linker generated sections, + and for those data-only sections that do not have a + $d. */ static bfd_boolean elf32_arm_output_arch_local_syms (bfd *output_bfd, @@ -13019,6 +13021,7 @@ elf32_arm_output_arch_local_syms (bfd *output_bfd, struct elf32_arm_link_hash_table *htab; bfd_vma offset; bfd_size_type size; + bfd *input_bfd; htab = elf32_arm_hash_table (info); if (htab == NULL) @@ -13030,6 +13033,32 @@ elf32_arm_output_arch_local_syms (bfd *output_bfd, osi.info = info; osi.func = func; + /* Add a $d mapping symbol to data-only sections that + don't have any mapping symbol. This may result in (harmless) redundant + mapping symbols. */ + for (input_bfd = info->input_bfds; + input_bfd != NULL; + input_bfd = input_bfd->link_next) + { + if ((input_bfd->flags & (BFD_LINKER_CREATED | HAS_SYMS)) == HAS_SYMS) + for (osi.sec = input_bfd->sections; + osi.sec != NULL; + osi.sec = osi.sec->next) + { + if (osi.sec->output_section != NULL + && (osi.sec->flags & (SEC_HAS_CONTENTS | SEC_LINKER_CREATED)) + == SEC_HAS_CONTENTS + && get_arm_elf_section_data (osi.sec) != NULL + && get_arm_elf_section_data (osi.sec)->mapcount == 0) + { + osi.sec_shndx = _bfd_elf_section_from_bfd_section + (output_bfd, osi.sec->output_section); + if (osi.sec_shndx != (int)SHN_BAD) + elf32_arm_output_map_sym (&osi, ARM_MAP_DATA, 0); + } + } + } + /* ARM->Thumb glue. */ if (htab->arm_glue_size > 0) { |