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| author | Thomas Schwinge <tschwinge@gnu.org> | 2010-10-11 07:38:53 +0000 |
|---|---|---|
| committer | Thomas Schwinge <tschwinge@gnu.org> | 2010-10-11 07:38:53 +0000 |
| commit | 77b4f08fc99ba41fc75c8881ca119752ba1b9595 (patch) | |
| tree | b4ed6cf38870bc5e0285069b3f6d2b54cef87e91 /bfd | |
| parent | d92fa646e7da3c37d4bade5ee935c9e9a728c8d6 (diff) | |
| download | gdb-77b4f08fc99ba41fc75c8881ca119752ba1b9595.zip gdb-77b4f08fc99ba41fc75c8881ca119752ba1b9595.tar.gz gdb-77b4f08fc99ba41fc75c8881ca119752ba1b9595.tar.bz2 | |
* elf32-arm.c (elf32_arm_final_link_relocate)
(elf32_arm_relocate_section): Handle relocations against STN_UNDEF.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elf32-arm.c | 8 |
2 files changed, 10 insertions, 3 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 35b4ce8..fcfa945 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2010-10-11 Thomas Schwinge <thomas@codesourcery.com> + + * elf32-arm.c (elf32_arm_final_link_relocate) + (elf32_arm_relocate_section): Handle relocations against STN_UNDEF. + 2010-10-11 Dave Korn <dave.korn.cygwin@gmail.com> * elflink.c (_bfd_elf_link_output_relocs): Delete unused variable diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index 8728949..9fce4b0 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -7229,12 +7229,12 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto, /* A branch to an undefined weak symbol is turned into a jump to the next instruction unless a PLT entry will be created. - Do the same for local undefined symbols. + Do the same for local undefined symbols (but not for STN_UNDEF). The jump to the next instruction is optimized as a NOP depending on the architecture. */ if (h ? (h->root.type == bfd_link_hash_undefweak && !(splt != NULL && h->plt.offset != (bfd_vma) -1)) - : bfd_is_und_section (sym_sec)) + : r_symndx != STN_UNDEF && bfd_is_und_section (sym_sec)) { value = (bfd_get_32 (input_bfd, hit_data) & 0xf0000000); @@ -8908,9 +8908,11 @@ elf32_arm_relocate_section (bfd * output_bfd, undefined symbol. This is a daft object file, but we should at least do something about it. V4BX & NONE relocations do not use the symbol and are explicitly - allowed to use the undefined symbol, so allow those. */ + allowed to use the undefined symbol, so allow those. + Likewise for relocations against STN_UNDEF. */ if (r_type != R_ARM_V4BX && r_type != R_ARM_NONE + && r_symndx != STN_UNDEF && bfd_is_und_section (sec) && ELF_ST_BIND (sym->st_info) != STB_WEAK) { |