diff options
| author | Alan Modra <amodra@gmail.com> | 2013-03-04 12:12:11 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2013-03-04 12:12:11 +0000 |
| commit | f75e0e336f4dc82dfcd05c87d59d0723cbb147de (patch) | |
| tree | 9e3a8f8adcd697d9e0dab32ce858fa230d4c4aa0 | |
| parent | 17e3916e23e6a4228b2d1c34ecef260c69d4c680 (diff) | |
| download | gdb-f75e0e336f4dc82dfcd05c87d59d0723cbb147de.zip gdb-f75e0e336f4dc82dfcd05c87d59d0723cbb147de.tar.gz gdb-f75e0e336f4dc82dfcd05c87d59d0723cbb147de.tar.bz2 | |
* elf32-ppc.c (ppc_elf_relocate_section <R_PPC_PLTREL24>): Adjust
non-zero addends when relocatable, rather than addends >= 32768.
Always zero "addend" before applying relocation.
| -rw-r--r-- | bfd/ChangeLog | 10 | ||||
| -rw-r--r-- | bfd/elf32-ppc.c | 58 |
2 files changed, 39 insertions, 29 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 8b949e4..70015a5 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2013-03-04 Alan Modra <amodra@gmail.com> + + * elf32-ppc.c (ppc_elf_relocate_section <R_PPC_PLTREL24>): Adjust + non-zero addends when relocatable, rather than addends >= 32768. + Always zero "addend" before applying relocation. + 2013-03-04 Nick Clifton <nickc@redhat.com> * archive64.c (bfd_elf64_archive_write_armap): Fix calculation of @@ -1017,8 +1023,8 @@ 2013-01-07 Tom Tromey <tromey@redhat.com> * section.c (_bfd_std_section): Rename from std_section. - (bfd_com_section_ptr, bfd_und_section_ptr, bfd_abs_section_ptr) - (STD_SECTION): Update. + (bfd_com_section_ptr, bfd_und_section_ptr, bfd_abs_section_ptr) + (STD_SECTION): Update. * bfd-in2.h: Rebuild. 2013-01-04 Juergen Urban <JuergenUrban@gmx.de> diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c index bac1ce2..c05f2f0 100644 --- a/bfd/elf32-ppc.c +++ b/bfd/elf32-ppc.c @@ -7472,7 +7472,7 @@ ppc_elf_relocate_section (bfd *output_bfd, { if (got2 != NULL && r_type == R_PPC_PLTREL24 - && rel->r_addend >= 32768) + && rel->r_addend != 0) { /* R_PPC_PLTREL24 is rather special. If non-zero, the addend specifies the GOT pointer offset within .got2. */ @@ -8477,33 +8477,37 @@ ppc_elf_relocate_section (bfd *output_bfd, break; case R_PPC_PLTREL24: - if (h == NULL || ifunc != NULL) - break; - /* Relocation is to the entry for this symbol in the - procedure linkage table. */ - { - struct plt_entry *ent = find_plt_ent (&h->plt.plist, got2, - info->shared ? addend : 0); - addend = 0; - if (ent == NULL - || htab->plt == NULL) - { - /* We didn't make a PLT entry for this symbol. This - happens when statically linking PIC code, or when - using -Bsymbolic. */ - break; - } + if (h != NULL && ifunc == NULL) + { + struct plt_entry *ent = find_plt_ent (&h->plt.plist, got2, + info->shared ? addend : 0); + if (ent == NULL + || htab->plt == NULL) + { + /* We didn't make a PLT entry for this symbol. This + happens when statically linking PIC code, or when + using -Bsymbolic. */ + } + else + { + /* Relocation is to the entry for this symbol in the + procedure linkage table. */ + unresolved_reloc = FALSE; + if (htab->plt_type == PLT_NEW) + relocation = (htab->glink->output_section->vma + + htab->glink->output_offset + + ent->glink_offset); + else + relocation = (htab->plt->output_section->vma + + htab->plt->output_offset + + ent->plt.offset); + } + } - unresolved_reloc = FALSE; - if (htab->plt_type == PLT_NEW) - relocation = (htab->glink->output_section->vma - + htab->glink->output_offset - + ent->glink_offset); - else - relocation = (htab->plt->output_section->vma - + htab->plt->output_offset - + ent->plt.offset); - } + /* R_PPC_PLTREL24 is rather special. If non-zero, the + addend specifies the GOT pointer offset within .got2. + Don't apply it to the relocation field. */ + addend = 0; break; /* Relocate against _SDA_BASE_. */ |