diff options
| -rw-r--r-- | bfd/ChangeLog | 7 | ||||
| -rw-r--r-- | bfd/elf32-arc.c | 28 | ||||
| -rw-r--r-- | gas/ChangeLog | 4 | ||||
| -rw-r--r-- | gas/config/tc-arc.c | 2 | ||||
| -rw-r--r-- | ld/ChangeLog | 5 | ||||
| -rw-r--r-- | ld/scripttempl/arclinux.sc | 4 |
6 files changed, 41 insertions, 9 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 8339eae..5d39624 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,10 @@ +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. + 2016-02-26 Renlin Li <renlin.li@arm.com> * elfnn-aarch64.c (elfNN_aarch64_howto_table): Fix signed overflow 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 diff --git a/gas/ChangeLog b/gas/ChangeLog index 5faa925..1815655 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,7 @@ +2016-02-29 Claudiu Zissulescu <Claudiu.Zissulescu@synopsys.com> + + * config/tc-arc.c: Enable code density instructions for ARC EM. + 2016-02-26 H.J. Lu <hongjiu.lu@intel.com> PR ld/19645 diff --git a/gas/config/tc-arc.c b/gas/config/tc-arc.c index 82cff9a..70a47f9 100644 --- a/gas/config/tc-arc.c +++ b/gas/config/tc-arc.c @@ -343,7 +343,7 @@ static const struct cpu_type { "arc700", ARC_OPCODE_ARC700, bfd_mach_arc_arc700, E_ARC_MACH_ARC700, 0x00}, { "arcem", ARC_OPCODE_ARCv2EM, bfd_mach_arc_arcv2, - EF_ARC_CPU_ARCV2EM, 0x00}, + EF_ARC_CPU_ARCV2EM, ARC_CD}, { "archs", ARC_OPCODE_ARCv2HS, bfd_mach_arc_arcv2, EF_ARC_CPU_ARCV2HS, ARC_CD}, { "all", ARC_OPCODE_BASE, bfd_mach_arc_arcv2, diff --git a/ld/ChangeLog b/ld/ChangeLog index 24a913f..e24a457 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,8 @@ +2016-02-29 Cupertino Miranda <Cupertino.Miranda@synopsys.com> + + * scripttempl/arclinux.sc: Force .tdata and .tbss to always be + generated. + 2016-02-26 Renlin Li <renlin.li@arm.com> * testsuite/ld-aarch64/aarch64-elf.exp: Run new testcases. diff --git a/ld/scripttempl/arclinux.sc b/ld/scripttempl/arclinux.sc index 9d43ca3..bef5336 100644 --- a/ld/scripttempl/arclinux.sc +++ b/ld/scripttempl/arclinux.sc @@ -326,8 +326,8 @@ cat <<EOF .data1 ${RELOCATING-0} : { *(.data1) } /* TLS local dynamic uses .tdata as a reference point. */ ${RELOCATING+${CREATE_SHLIB+PROVIDE_HIDDEN (.tdata = .);}} - .tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) } - .tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} } + .tdata ${RELOCATING-0} : { PROVIDE_HIDDEN(.tdata = .); *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) } + .tbss ${RELOCATING-0} : { PROVIDE_HIDDEN(.tbss = .); *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} } .eh_frame ${RELOCATING-0} : { KEEP (*(.eh_frame)) } .gcc_except_table ${RELOCATING-0} : { *(.gcc_except_table) } ${WRITABLE_RODATA+${RODATA}} |