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author | Daniel Jacobowitz <drow@false.org> | 2005-03-29 16:54:22 +0000 |
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committer | Daniel Jacobowitz <drow@false.org> | 2005-03-29 16:54:22 +0000 |
commit | ba93b8aced8f39a02c47731e89278fe6f217d929 (patch) | |
tree | 10d828c846f4224226a06d2d2bd4e31283b9d289 /gas/config | |
parent | 71a976dd82f4a544374e4f40b9a1d6ec1f5525ad (diff) | |
download | gdb-ba93b8aced8f39a02c47731e89278fe6f217d929.zip gdb-ba93b8aced8f39a02c47731e89278fe6f217d929.tar.gz gdb-ba93b8aced8f39a02c47731e89278fe6f217d929.tar.bz2 |
bfd/
* bfd-in2.h, libbfd.h: Regenerated.
* reloc.c: Add ARM TLS relocations.
* elf32-arm.c (elf32_arm_howto_table): Add dynamic TLS
relocations.
(elf32_arm_tls_gd32_howto, elf32_arm_tls_ldo32_howto)
(elf32_arm_tls_ldm32_howto, elf32_arm_tls_le32_howto)
(elf32_arm_tls_ie32_howto): New.
(elf32_arm_howto_from_type): Support TLS relocations.
(elf32_arm_reloc_map): Likewise.
(elf32_arm_reloc_type_lookup): Likewise.
(TCB_SIZE): Define.
(struct elf32_arm_obj_tdata): New.
(elf32_arm_tdata, elf32_arm_local_got_tls_type): Define.
(elf32_arm_mkobject): New function.
(struct elf32_arm_relocs_copied): Add pc_count.
(elf32_arm_hash_entry, GOT_UNKNOWN, GOT_NORMAL, GOT_TLS_GD)
(GOT_TLS_IE): Define.
(struct elf32_arm_link_hash_table): Add tls_ldm_got.
(elf32_arm_link_hash_newfunc): Initialize tls_type.
(elf32_arm_copy_indirect_symbol): Copy pc_count and tls_type.
(elf32_arm_link_hash_table_create): Initialize tls_ldm_got.
(dtpoff_base, tpoff): New functions.
(elf32_arm_final_link_relocate): Handle TLS relocations.
(IS_ARM_TLS_RELOC): Define.
(elf32_arm_relocate_section): Warn about TLS mismatches.
(elf32_arm_gc_sweep_hook): Handle TLS relocations and pc_count.
(elf32_arm_check_relocs): Detect invalid symbol indexes. Handle
TLS relocations and pc_count.
(elf32_arm_adjust_dynamic_symbol): Check non_got_ref.
(allocate_dynrelocs): Handle TLS. Bind REL32 relocs to local
calls.
(elf32_arm_size_dynamic_sections): Handle TLS.
(elf32_arm_finish_dynamic_symbol): Likewise.
(bfd_elf32_mkobject): Define.
gas/
* config/tc-arm.c (arm_parse_reloc): Add TLS relocations.
(md_apply_fix3): Mark TLS symbols.
(tc_gen_reloc): Handle TLS relocations.
(arm_fix_adjustable): Ignore TLS relocations.
(s_arm_elf_cons): Support expressions after decorated symbols.
gas/testuite/
* gas/arm/tls.s, gas/arm/tls.d: New files.
* gas/arm/arm.exp: Run TLS test.
include/elf/
* arm.h: Add TLS relocations.
ld/testsuite/
* ld-arm/tls-lib.s, ld-arm/tls-lib.d, ld-arm/tls-lib.r,
ld-arm/tls-app.s, ld-arm/tls-app.d, ld-arm/tls-app.r: New files.
* ld-arm/arm-lib.ld, ld-arm/arm-dyn.ld: Increase data segment
alignment.
* ld-arm/arm-elf.exp: Run TLS tests.
Diffstat (limited to 'gas/config')
-rw-r--r-- | gas/config/tc-arm.c | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index 9baf888..78d126c 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -4881,6 +4881,11 @@ arm_parse_reloc (void) MAP ("(target1)", BFD_RELOC_ARM_TARGET1), MAP ("(sbrel)", BFD_RELOC_ARM_SBREL32), MAP ("(target2)", BFD_RELOC_ARM_TARGET2), + MAP ("(tlsgd)", BFD_RELOC_ARM_TLS_GD32), + MAP ("(tlsldm)", BFD_RELOC_ARM_TLS_LDM32), + MAP ("(tlsldo)", BFD_RELOC_ARM_TLS_LDO32), + MAP ("(gottpoff)", BFD_RELOC_ARM_TLS_IE32), + MAP ("(tpoff)", BFD_RELOC_ARM_TLS_LE32), { NULL, 0, BFD_RELOC_UNUSED } #undef MAP }; @@ -12224,6 +12229,14 @@ md_apply_fix3 (fixS * fixP, break; #ifdef OBJ_ELF + case BFD_RELOC_ARM_TLS_GD32: + case BFD_RELOC_ARM_TLS_LE32: + case BFD_RELOC_ARM_TLS_IE32: + case BFD_RELOC_ARM_TLS_LDM32: + case BFD_RELOC_ARM_TLS_LDO32: + S_SET_THREAD_LOCAL (fixP->fx_addsy); + /* fall through */ + case BFD_RELOC_ARM_GOT32: case BFD_RELOC_ARM_GOTOFF: case BFD_RELOC_ARM_TARGET2: @@ -12547,6 +12560,18 @@ tc_gen_reloc (asection * section ATTRIBUTE_UNUSED, case BFD_RELOC_ARM_SBREL32: case BFD_RELOC_ARM_PREL31: case BFD_RELOC_ARM_TARGET2: + case BFD_RELOC_ARM_TLS_LE32: + case BFD_RELOC_ARM_TLS_LDO32: + code = fixp->fx_r_type; + break; + + case BFD_RELOC_ARM_TLS_GD32: + case BFD_RELOC_ARM_TLS_IE32: + case BFD_RELOC_ARM_TLS_LDM32: + /* BFD will include the symbol's address in the addend. + But we don't want that, so subtract it out again here. */ + if (!S_IS_COMMON (fixp->fx_addsy)) + reloc->addend -= (*reloc->sym_ptr_ptr)->value; code = fixp->fx_r_type; break; #endif @@ -13843,6 +13868,11 @@ arm_fix_adjustable (fixS * fixP) if (fixP->fx_r_type == BFD_RELOC_ARM_PLT32 || fixP->fx_r_type == BFD_RELOC_ARM_GOT32 || fixP->fx_r_type == BFD_RELOC_ARM_GOTOFF + || fixP->fx_r_type == BFD_RELOC_ARM_TLS_GD32 + || fixP->fx_r_type == BFD_RELOC_ARM_TLS_LE32 + || fixP->fx_r_type == BFD_RELOC_ARM_TLS_IE32 + || fixP->fx_r_type == BFD_RELOC_ARM_TLS_LDM32 + || fixP->fx_r_type == BFD_RELOC_ARM_TLS_LDO32 || fixP->fx_r_type == BFD_RELOC_ARM_TARGET2) return 0; @@ -13898,8 +13928,12 @@ s_arm_elf_cons (int nbytes) do { bfd_reloc_code_real_type reloc; + char *sym_start; + int sym_len; + sym_start = input_line_pointer; expression (& exp); + sym_len = input_line_pointer - sym_start; if (exp.X_op == O_symbol && * input_line_pointer == '(' @@ -13913,9 +13947,22 @@ s_arm_elf_cons (int nbytes) howto->name, nbytes); else { - char *p = frag_more ((int) nbytes); + char *p; int offset = nbytes - size; - + char *saved_buf = alloca (sym_len), *saved_input; + + /* We've parsed an expression stopping at O_symbol. But there + may be more expression left now that we have parsed the + relocation marker. Parse it again. */ + saved_input = input_line_pointer - sym_len; + memcpy (saved_buf, saved_input, sym_len); + memmove (saved_input, sym_start, sym_len); + input_line_pointer = saved_input; + expression (& exp); + memcpy (saved_input, saved_buf, sym_len); + assert (input_line_pointer >= saved_input + sym_len); + + p = frag_more ((int) nbytes); fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size, &exp, 0, reloc); } |