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binutils-gdb/ld/testsuite/ld-arm/tls-descrelax-v7.s
Nathan Sidwell 0855e32bf5 bfd/ 
* 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.
2011-01-10 08:40:19 +00:00

199 lines
2.8 KiB
ArmAsm
Raw Blame History

@ we can relax local and non-weak globals for non-shared links
.arch armv7-a
.text
.arm
.p2align 2
foo:
@tlscall global, manually relaxed to IE
ldr r0, 1f
2: ldr r0, [pc, r0]
nop
.p2align 2
1: .word gd1(gottpoff) + (. - 2b - 8)
.p2align 2
@tlscall global, should relax to IE
ldr r0, 1f
2: blx gd1(tlscall)
nop
.p2align 2
1: .word gd1(tlsdesc) + (. - 2b)
.p2align 2
@tlscall local, manually relaxed to LE
ldr r0, 1f
nop
nop
.p2align 2
1: .word ld1(tpoff)
.p2align 2
@tlscall local, should relax to LE
ldr r0, 1f
2: blx ld1(tlscall)
nop
.p2align 2
1: .word ld1(tlsdesc) + (. - 2b)
.p2align 2
@open coded global, manually relaxed to IE
ldr r0, 1f
2:
add r0, pc, r0
ldr r1, [r0]
mov r0, r1
nop
.p2align 2
1: .word gd1(gottpoff) + (. - 2b - 8)
.p2align 2
@open coded global, should relax to IE
ldr r0, 1f
2:
.tlsdescseq gd1
add r0, pc, r0
.tlsdescseq gd1
ldr r1, [r0,#4]
.tlsdescseq gd1
blx r1
nop
.p2align 2
1: .word gd1(tlsdesc) + (. - 2b)
.p2align 2
@open coded local, manually relaxed to LE
ldr r0, 1f
2:
nop
nop
nop
nop
.p2align 2
1: .word ld1(tpoff)
.p2align 2
@open coded local, should relax to LE
ldr r0, 1f
2:
.tlsdescseq ld1
add r0, pc, r0
.tlsdescseq ld1
ldr r1, [r0,#4]
.tlsdescseq ld1
blx r1
nop
.p2align 2
1: .word ld1(tlsdesc) + (. - 2b)
.thumb
.p2align 1
bar:
@tlscall global, manually relaxed to IE
ldr r0, 1f
2: add r0, pc, r0
ldr r0, [r0]
nop
.p2align 2
1: .word gd1(gottpoff) + (. - 2b - 4)
.p2align 1
@tlscall global, should relax to IE
ldr r0, 1f
2: blx gd1(tlscall)
nop
.p2align 2
1: .word gd1(tlsdesc) + (. - 2b + 1)
.p2align 1
@tlscall global, should relax to IE
ldr r0, 1f
2: blx r1(tlscall)
nop
.p2align 2
1: .word r1(tlsdesc) + (. - 2b + 1)
.p2align 1
@tlscall local, manually relaxed to LE
ldr r0, 1f
nop
nop
.p2align 2
1: .word ld1(tpoff)
.p2align 1
@tlscall local, should relax to LE
ldr r0, 1f
2: blx ld1(tlscall)
nop
.p2align 2
1: .word ld1(tlsdesc) + (. - 2b + 1)
.p2align 1
@tlscall local, should relax to LE
ldr r0, 1f
2: blx r0(tlscall)
nop
.p2align 2
1: .word r0(tlsdesc) + (. - 2b + 1)
.p2align 1
@open coded global, manually relaxed to IE
ldr r0, 1f
2:
add r0, pc
ldr r1, [r0]
mov r0, r1
nop
.p2align 2
1: .word gd1(gottpoff) + (. - 2b - 4)
.p2align 1
@open coded global, should relax to IE
ldr r0, 1f
2:
.tlsdescseq gd1
add r0, pc
.tlsdescseq gd1
ldr r1, [r0,#4]
.tlsdescseq gd1
blx r1
nop
.p2align 2
1: .word gd1(tlsdesc) + (. - 2b + 1)
.p2align 1
@open coded local, manually relaxed to LE
ldr r0, 1f
2:
nop
nop
nop
nop
.p2align 2
1: .word ld1(tpoff)
.p2align 1
@open coded local, should relax to LE
ldr r0, 1f
2:
.tlsdescseq ld1
add r0, pc
.tlsdescseq ld1
ldr r1, [r0,#4]
.tlsdescseq ld1
blx r1
nop
.p2align 2
1: .word ld1(tlsdesc) + (. - 2b + 1)
.section .tdata,"awT"
.global gd1
gd1: .space 4
ld1: .space 4
.globl r1
r1: .space 4
r0: .space 4
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