0855e32bf5
* reloc.c (BFD_RELOC_ARM_TLS_GOTDESC, BFD_RELOC_ARM_TLS_CALL, BFD_RELOC_ARM_THM_TLS_CALL, BFD_RELOC_ARM_TLS_DESCSEQ, BFD_RELOC_ARM_THM_TLS_DESCSEQ, BFD_RELOC_ARM_TLS_DESC): New relocations. * libbfd.h: Rebuilt. * bfd-in2.h: Rebuilt. * elf32-arm.c (elf32_arm_howto_table_1): Add new relocations. (elf32_arm_reloc_map): Likewise. (tls_trampoline, dl_tlsdesc_lazy_trampoline): New PLT templates. (elf32_arm_stub_long_branch_any_tls_pic, elf32_arm_stub_long_branch_v4t_thumb_tls_pic): New stub templates. (DEF_STUBS): Add new stubs. (struct_elf_arm_obj_data): Add local_tlsdesc_gotent field. (elf32_arm_local_tlsdesc_gotent): New. (GOT_TLS_GDESC): New mask. (GOT_TLS_GD_ANY): Define. (struct elf32_arm_link_hash_entry): Add tlsdesc_got field. (elf32_arm_compute_jump_table_size): New. (struct elf32_arm_link_hash_table): Add next_tls_desc_index, num_tls_desc, dt_tlsdesc_plt, dt_tlsdesc_got, tls_trampoline, sgotplt_jump_table_size fields. (elf32_arm_link_hash_newfunc): Initialize tlsdesc_got field. (elf32_arm_link_hash_table_create): Initialize new fields. (arm_type_of_stub): Check TLS desc relocs too. (elf32_arm_stub_name): TLS desc relocs can be shared. (elf32_arm_tls_transition): Determine relaxation. (arm_stub_required_alignment): Add tls stubs. (elf32_arm_size_stubs): Likewise. (elf32_arm_tls_relax): Perform TLS relaxing. (elf32_arm_final_link_relocate): Process TLS DESC relocations. (IS_ARM_TLS_GNU_RELOC): New. (IS_ARM_TLS_RELOC): Use it. (elf32_arm_relocate_section): Perform TLS relaxing. (elf32_arm_check_relocs): Anticipate TLS relaxing, process tls desc relocations. (allocate_dynrelocs): Allocate tls desc relcoations. (elf32_arm_output_arch_local_syms): Emit tls trampoline mapping symbols. (elf32_arm_size_dynamic_sections): Allocate tls trampolines and got slots. (elf32_arm_always_size_sections): New. Create _TLS_MODULE_BASE symbol. (elf32_arm_finish_dynamic_symbol): Adjust. (arm_put_trampoline): New. (elf32_arm_finish_dynamic_sections): Emit new dynamic tags and tls trampolines. (elf_backend_always_size_sections): Define. include/elf/ * arm.h (R_ARM_TLS_DESC, R_ARM_TLS_GOTDESC, R_ARM_TLS_CALL, R_ARM_TLS_DESCSEQ, T_ARM_THM_TLS_CALL, R_ARM_THM_TLS_DESCSEQ): New relocations. gas/ * doc/c-arm.texi: Document TLSDESC and TLSCALL relocations, and .tlsdescseq directive. * config/tc-arm.c (arm_typed_reg_parse): Check for potential reloc following a symbol. (s_arm_tls_descseq): New directive. (md_pseudo_table): Add it. (encode_branch): Allow TLS_CALL relocs too. (do_t_blx, do_t_branch23): Use encode_branch. (reloc_names): Add tlsdesc and tlscall. (md_apply_fix): Process tls desc relocations. (tc_gen_reloc): Likewise. (arm_fix_adjustable): Likewise. gas/testsuite/ * gas/arm/tls.s: Add tlsdesc tests. * gas/arm/tls.d: Adjust. ld/testsuite/ * ld-arm/arm-elf.exp: Added tests for new TLS handling relocations. * ld-arm/tls-descrelax-be32.d: New. * ld-arm/tls-descrelax-be32.s: New. * ld-arm/tls-descrelax-be8.d: New. * ld-arm/tls-descrelax-be8.s: New. * ld-arm/tls-descrelax-v7.d: New. * ld-arm/tls-descrelax-v7.s: New. * ld-arm/tls-descrelax.d: New. * ld-arm/tls-descrelax.s: New. * ld-arm/tls-descseq.d: New. * ld-arm/tls-descseq.r: New. * ld-arm/tls-descseq.s: New. * ld-arm/tls-gdesc-got.d: New. * ld-arm/tls-gdesc-got.s: New. * ld-arm/tls-gdesc-nlazy.g: New. * ld-arm/tls-gdesc-nlazy.s: New. * ld-arm/tls-gdesc.d: New. * ld-arm/tls-gdesc.r: New. * ld-arm/tls-gdesc.s: New. * ld-arm/tls-gdierelax.d: New. * ld-arm/tls-gdierelax.s: New. * ld-arm/tls-gdierelax2.d: New. * ld-arm/tls-gdierelax2.s: New. * ld-arm/tls-gdlerelax.d: New. * ld-arm/tls-gdlerelax.s: New. * ld-arm/tls-lib-loc.d: New. * ld-arm/tls-lib-loc.r: New. * ld-arm/tls-lib-loc.s: New. * ld-arm/tls-longplt-lib.d: New. * ld-arm/tls-longplt-lib.s: New. * ld-arm/tls-longplt.d: New. * ld-arm/tls-longplt.s: New. * ld-arm/tls-mixed.r: New. * ld-arm/tls-mixed.s: New. * ld-arm/tls-thumb1.d: New. * ld-arm/tls-thumb1.s: New. * ld-arm/arm-elf.exp: New.
64 lines
1.9 KiB
Makefile
64 lines
1.9 KiB
Makefile
.*: file format elf32-.*arm
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architecture: arm, flags 0x00000112:
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EXEC_P, HAS_SYMS, D_PAGED
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start address 0x.*
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Disassembly of section .plt:
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0000819c <.plt>:
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819c: e52de004 push {lr} ; .*
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81a0: e59fe004 ldr lr, \[pc, #4\] ; .*
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81a4: e08fe00e add lr, pc, lr
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81a8: e5bef008 ldr pc, \[lr, #8\]!
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81ac: 00008100 .word 0x00008100
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81b0: e08e0000 add r0, lr, r0
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81b4: e5901004 ldr r1, \[r0, #4]
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81b8: e12fff11 bx r1
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81bc: e52d2004 push {r2} ; .*
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81c0: e59f200c ldr r2, \[pc, #12\] ; .*
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81c4: e59f100c ldr r1, \[pc, #12\] ; .*
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81c8: e79f2002 ldr r2, \[pc, r2\]
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81cc: e081100f add r1, r1, pc
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81d0: e12fff12 bx r2
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81d4: 000080f4 .word 0x000080f4
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81d8: 000080d8 .word 0x000080d8
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Disassembly of section .text:
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000081dc <text>:
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81dc: e59f0004 ldr r0, \[pc, #4\] ; .*
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81e0: fafffff2 blx 81b0 .*
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81e4: e1a00000 nop ; .*
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81e8: 000080d4 .word 0x000080d4
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81ec: 4801 ldr r0, \[pc, #4\] ; .*
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81ee: f7ff efe0 blx 81b0 .*
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81f2: 46c0 nop ; .*
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81f4: 000080c5 .word 0x000080c5
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Disassembly of section .foo:
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04001000 <foo>:
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4001000: e59f0004 ldr r0, \[pc, #4\] ; .*
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4001004: e79f0000 ldr r0, \[pc, r0\]
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4001008: e1a00000 nop ; .*
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400100c: fc00f2b4 .word 0xfc00f2b4
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4001010: e59f0004 ldr r0, \[pc, #4\] ; .*
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4001014: fa000005 blx 4001030 .*
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4001018: e1a00000 nop ; .*
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400101c: fc00f2a0 .word 0xfc00f2a0
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4001020: 4801 ldr r0, \[pc, #4\] ; .*
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4001022: f000 e80a blx 4001038 .*
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4001026: 46c0 nop ; .*
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4001028: fc00f291 .word 0xfc00f291
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400102c: 00000000 .word 0x00000000
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04001030 <__unnamed_veneer>:
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4001030: e51ff004 ldr pc, \[pc, #-4\] ; .*
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4001034: 000081b0 .word 0x000081b0
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04001038 <__unnamed_veneer>:
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4001038: 4778 bx pc
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400103a: 46c0 nop ; .*
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400103c: e51ff004 ldr pc, \[pc, #-4\] ; .*
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4001040: 000081b0 .word 0x000081b0
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4001044: 00000000 .word 0x00000000
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