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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2016-02-29 16:07:48 +0100 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@synopsys.com> | 2016-02-29 16:07:48 +0100 |
| commit | 7e4588997ebdddefc48d8be2d51a715822817c0e (patch) | |
| tree | fc5f40d68dd6106dedd82a944df45d7f0986f424 /bfd/elf32-arc.c | |
| parent | 63aef214ab4826785d35d8dead591d40e402de98 (diff) | |
| download | gdb-7e4588997ebdddefc48d8be2d51a715822817c0e.zip gdb-7e4588997ebdddefc48d8be2d51a715822817c0e.tar.gz gdb-7e4588997ebdddefc48d8be2d51a715822817c0e.tar.bz2 | |
[ARC] General fixes.
bfd/
2016-02-29 Cupertino Miranda <Cupertino.Miranda@synopsys.com>
* elf32-arc.c (arc_elf_final_write_processing): Add condition to
the flag change.
(elf_arc_relocate_section): Fixes and conditions to support PIE.
Assert for code sections dynamic relocs.
gas/
2016-02-29 Claudiu Zissulescu <Claudiu.Zissulescu@synopsys.com>
* config/tc-arc.c: Enable code density instructions for ARC EM.
ld/
2016-02-29 Cupertino Miranda <Cupertino.Miranda@synopsys.com>
* scripttempl/arclinux.sc: Force .tdata and .tbss to always be
generated.
Diffstat (limited to 'bfd/elf32-arc.c')
| -rw-r--r-- | bfd/elf32-arc.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/bfd/elf32-arc.c b/bfd/elf32-arc.c index 8ffc23a..9993478 100644 --- a/bfd/elf32-arc.c +++ b/bfd/elf32-arc.c @@ -688,10 +688,11 @@ arc_elf_final_write_processing (bfd * abfd, default: abort (); } + if ((elf_elfheader (abfd)->e_flags & EF_ARC_MACH) == EF_ARC_CPU_GENERIC) + elf_elfheader (abfd)->e_flags |= val; - elf_elfheader (abfd)->e_flags &= ~EF_ARC_MACH; - elf_elfheader (abfd)->e_flags |= val; elf_elfheader (abfd)->e_machine = emf; + /* Record whatever is the current syscall ABI version. */ elf_elfheader (abfd)->e_flags |= E_ARC_OSABI_CURRENT; } @@ -1319,14 +1320,24 @@ elf_arc_relocate_section (bfd * output_bfd, } else if (is_reloc_for_PLT (howto)) { + /* Fail if it is linking for PIE and the symbol is + undefined. */ + if (bfd_link_executable (info) + && !(*info->callbacks->undefined_symbol) + (info, h->root.root.string, input_bfd, input_section, + rel->r_offset, TRUE)) + { + return FALSE; + } reloc_data.sym_value = h->plt.offset; reloc_data.sym_section = htab->splt; reloc_data.should_relocate = TRUE; } - else if (!(*info->callbacks->undefined_symbol) + else if (!bfd_link_pic (info) + && !(*info->callbacks->undefined_symbol) (info, h->root.root.string, input_bfd, input_section, - rel->r_offset,!bfd_link_pic (info))) + rel->r_offset, TRUE)) { return FALSE; } @@ -1443,7 +1454,7 @@ elf_arc_relocate_section (bfd * output_bfd, case R_ARC_32_ME: case R_ARC_PC32: case R_ARC_32_PCREL: - if (bfd_link_pic (info) + if (bfd_link_pic (info) && !bfd_link_pie (info) && ((r_type != R_ARC_PC32 && r_type != R_ARC_32_PCREL) || (h != NULL && h->dynindx != -1 @@ -1509,6 +1520,11 @@ elf_arc_relocate_section (bfd * output_bfd, else { BFD_ASSERT (h->dynindx != -1); + + /* This type of dynamic relocation cannot be created + for code sections. */ + BFD_ASSERT ((input_section->flags & SEC_CODE) == 0); + if ((input_section->flags & SEC_ALLOC) != 0) relocate = FALSE; else @@ -1715,7 +1731,7 @@ elf_arc_check_relocs (bfd * abfd, /* FALLTHROUGH */ case R_ARC_PC32: case R_ARC_32_PCREL: - if (bfd_link_pic (info) + if (bfd_link_pic (info) && !bfd_link_pie (info) && ((r_type != R_ARC_PC32 && r_type != R_ARC_32_PCREL) || (h != NULL && h->dynindx != -1 |