derek.holloway
7502bf64a4
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137 lines
4.2 KiB
ArmAsm
137 lines
4.2 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
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# RUN: echo '.tbss; .globl c; c: .zero 4' | llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o
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# RUN: ld.lld -shared -soname=t1.so %t1.o -o %t1.so
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# RUN: ld.lld -shared %t.o %t1.o -o %t.so
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# RUN: llvm-readobj -r -x .got %t.so | FileCheck --check-prefix=GD-RELA %s
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# RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t.so | FileCheck --check-prefix=GD %s
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# RUN: ld.lld -shared %t.o %t1.o -o %t-rel.so -z rel
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# RUN: llvm-readobj -r -x .got %t-rel.so | FileCheck --check-prefix=GD-REL %s
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# RUN: ld.lld %t.o %t1.o -o %t
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# RUN: llvm-readelf -r %t | FileCheck --check-prefix=NOREL %s
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# RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t | FileCheck --check-prefix=LE %s
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# RUN: ld.lld %t.o %t1.so -o %t
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# RUN: llvm-readobj -r %t | FileCheck --check-prefix=IE-REL %s
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# RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t | FileCheck --check-prefix=IE %s
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# GD-RELA: .rela.dyn {
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# GD-RELA-NEXT: 0x23E0 R_X86_64_TLSDESC - 0xB
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# GD-RELA-NEXT: 0x23C0 R_X86_64_TLSDESC a 0x0
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# GD-RELA-NEXT: 0x23D0 R_X86_64_TLSDESC c 0x0
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# GD-RELA-NEXT: }
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# GD-RELA: Hex dump of section '.got':
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# GD-RELA-NEXT: 0x000023c0 00000000 00000000 00000000 00000000
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# GD-RELA-NEXT: 0x000023d0 00000000 00000000 00000000 00000000
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# GD-RELA-NEXT: 0x000023e0 00000000 00000000 00000000 00000000
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# GD-REL: .rel.dyn {
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# GD-REL-NEXT: 0x23C8 R_X86_64_TLSDESC -
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# GD-REL-NEXT: 0x23A8 R_X86_64_TLSDESC a
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# GD-REL-NEXT: 0x23B8 R_X86_64_TLSDESC c
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# GD-REL-NEXT: }
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# GD-REL: Hex dump of section '.got':
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# GD-REL-NEXT: 0x000023a8 00000000 00000000 00000000 00000000
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# GD-REL-NEXT: 0x000023b8 00000000 00000000 00000000 00000000
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# GD-REL-NEXT: 0x000023c8 00000000 00000000 0b000000 00000000
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## &.rela.dyn[a]-pc = 0x23C0-0x12e7 = 4313
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# GD: leaq 4313(%rip), %rax
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# GD-NEXT: 12e7: callq *(%rax)
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# GD-NEXT: movl %fs:(%rax), %eax
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## &.rela.dyn[b]-pc = 0x23E0-0x12f3 = 4333
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# GD-NEXT: leaq 4333(%rip), %rcx
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# GD-NEXT: 12f3: movq %rcx, %rax
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# GD-NEXT: callq *(%rax)
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# GD-NEXT: movl %fs:(%rax), %eax
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## &.rela.dyn[c]-pc = 0x23D0-0x1302 = 4302
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# GD-NEXT: leaq 4302(%rip), %r15
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# GD-NEXT: 1302: movq %r15, %rax
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# GD-NEXT: callq *(%rax)
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# GD-NEXT: movl %fs:(%rax), %eax
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## &.rela.dyn[c]-pc = 0x23D0-0x1312 = 4286
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# GD-NEXT: leaq 4286(%rip), %r16
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# GD-NEXT: 1312: movq %r16, %rax
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# GD-NEXT: callq *(%rax)
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# GD-NEXT: movl %fs:(%rax), %eax
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# NOREL: no relocations
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## tpoff(a) = st_value(a) - tls_size = -8
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# LE: movq $-8, %rax
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# LE-NEXT: nop
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# LE-NEXT: movl %fs:(%rax), %eax
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## tpoff(b) = st_value(b) - tls_size = -5
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# LE: movq $-5, %rcx
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# LE-NEXT: movq %rcx, %rax
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# LE-NEXT: nop
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# LE-NEXT: movl %fs:(%rax), %eax
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## tpoff(c) = st_value(c) - tls_size = -4
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# LE: movq $-4, %r15
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# LE-NEXT: movq %r15, %rax
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# LE-NEXT: nop
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# LE-NEXT: movl %fs:(%rax), %eax
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## tpoff(c) = st_value(c) - tls_size = -4
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# LE: movq $-4, %r16
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# LE-NEXT: movq %r16, %rax
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# LE-NEXT: nop
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# LE-NEXT: movl %fs:(%rax), %eax
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# IE-REL: .rela.dyn {
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# IE-REL-NEXT: 0x202388 R_X86_64_TPOFF64 c 0x0
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# IE-REL-NEXT: }
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## a is relaxed to use LE.
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# IE: movq $-4, %rax
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# IE-NEXT: nop
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# IE-NEXT: movl %fs:(%rax), %eax
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# IE-NEXT: movq $-1, %rcx
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# IE-NEXT: movq %rcx, %rax
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# IE-NEXT: nop
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# IE-NEXT: movl %fs:(%rax), %eax
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## &.rela.dyn[c]-pc = 0x202388 - 0x2012aa = 4318
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# IE-NEXT: movq 4318(%rip), %r15
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# IE-NEXT: 2012aa: movq %r15, %rax
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# IE-NEXT: nop
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# IE-NEXT: movl %fs:(%rax), %eax
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## &.rela.dyn[c]-pc = 0x202388 - 0x2012ba = 4302
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# IE-NEXT: movq 4302(%rip), %r16
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# IE-NEXT: 2012ba: movq %r16, %rax
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# IE-NEXT: nop
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# IE-NEXT: movl %fs:(%rax), %eax
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leaq a@tlsdesc(%rip), %rax
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call *a@tlscall(%rax)
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movl %fs:(%rax), %eax
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## leaq/call may not be adjacent: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5665
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## Test non-RAX registers as well.
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leaq b@tlsdesc(%rip), %rcx
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movq %rcx, %rax
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call *b@tlscall(%rax)
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movl %fs:(%rax), %eax
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leaq c@tlsdesc(%rip), %r15
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movq %r15, %rax
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call *c@tlscall(%rax)
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movl %fs:(%rax), %eax
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leaq c@tlsdesc(%rip), %r16
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movq %r16, %rax
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call *c@tlscall(%rax)
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movl %fs:(%rax), %eax
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.section .tbss
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.globl a
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.zero 8
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a:
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.zero 3
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b:
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.zero 1
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