derek.holloway
7502bf64a4
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114 lines
3.3 KiB
ArmAsm
114 lines
3.3 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=i386 %s -o %t.o
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# RUN: echo '.tbss; .globl c; c: .zero 4' | llvm-mc -filetype=obj -triple=i386 - -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 -z now %t.o %t1.o -o %t.so
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# RUN: llvm-readobj -r -x .got %t.so | FileCheck --check-prefix=GD-REL %s
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# RUN: llvm-objdump --no-print-imm-hex -h -d --no-show-raw-insn %t.so | FileCheck --check-prefix=GD %s
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# RUN: ld.lld -shared -z now %t.o %t1.o -o %t-rela.so -z rela
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# RUN: llvm-readobj -r -x .got %t-rela.so | FileCheck --check-prefix=GD-RELA %s
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# RUN: ld.lld -z now %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 -h -d --no-show-raw-insn %t | FileCheck --check-prefix=LE %s
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# RUN: ld.lld -z now %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 -h -d --no-show-raw-insn %t | FileCheck --check-prefix=IE %s
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# GD-REL: .rel.dyn {
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# GD-REL-NEXT: 0x2258 R_386_TLS_DESC -
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# GD-REL-NEXT: 0x2248 R_386_TLS_DESC a
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# GD-REL-NEXT: 0x2250 R_386_TLS_DESC 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: 0x00002248 00000000 00000000 00000000 00000000
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# GD-REL-NEXT: 0x00002258 00000000 0b000000
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# GD-RELA: .rela.dyn {
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# GD-RELA-NEXT: 0x2264 R_386_TLS_DESC - 0xB
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# GD-RELA-NEXT: 0x2254 R_386_TLS_DESC a 0x0
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# GD-RELA-NEXT: 0x225C R_386_TLS_DESC 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: 0x00002254 00000000 00000000 00000000 00000000
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# GD-RELA-NEXT: 0x00002264 00000000 00000000
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# GD: .got 00000018 00002248
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# GD: .got.plt 0000000c 00002260
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# &.rel.dyn[a]-.got.plt = 0x2248-0x2260 = -24
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# GD: leal -24(%ebx), %eax
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# GD-NEXT: calll *(%eax)
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# GD-NEXT: movl %gs:(%eax), %eax
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# &.rel.dyn[b]-.got.plt = 0x2258-0x2260 = -8
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# GD-NEXT: leal -8(%ebx), %eax
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# GD-NEXT: movl %edx, %ebx
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# GD-NEXT: calll *(%eax)
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# GD-NEXT: movl %gs:(%eax), %eax
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# &.rel.dyn[c]-.got.plt = 0x2250-0x2260 = -16
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# GD-NEXT: leal -16(%ebx), %eax
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# GD-NEXT: calll *(%eax)
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# GD-NEXT: movl %gs:(%eax), %eax
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# NOREL: no relocations
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## st_value(a) - tls_size = -8
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# LE: leal -8, %eax
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# LE-NEXT: nop
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# LE-NEXT: movl %gs:(%eax), %eax
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## st_value(b) - tls_size = -5
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# LE: leal -5, %eax
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# LE-NEXT: movl %edx, %ebx
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# LE-NEXT: nop
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# LE-NEXT: movl %gs:(%eax), %eax
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## st_value(c) - tls_size = -4
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# LE: leal -4, %eax
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# LE-NEXT: nop
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# LE-NEXT: movl %gs:(%eax), %eax
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# IE-REL: .rel.dyn {
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# IE-REL-NEXT: 0x40222C R_386_TLS_TPOFF c
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# IE-REL-NEXT: }
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# IE: .got 00000004 0040222c
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# IE: .got.plt 0000000c 00402230
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## a and b are relaxed to use LE.
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# IE: leal -4, %eax
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# IE-NEXT: nop
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# IE-NEXT: movl %gs:(%eax), %eax
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# IE-NEXT: leal -1, %eax
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# IE-NEXT: movl %edx, %ebx
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# IE-NEXT: nop
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# IE-NEXT: movl %gs:(%eax), %eax
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## &.got[a]-.got.plt = 0x2220 - 0x2224 = -4
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# IE-NEXT: movl -4(%ebx), %eax
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# IE-NEXT: nop
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# IE-NEXT: movl %gs:(%eax), %eax
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leal a@tlsdesc(%ebx), %eax
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call *a@tlscall(%eax)
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movl %gs:(%eax), %eax
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leal b@tlsdesc(%ebx), %eax
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movl %edx, %ebx # GCC -O0 may add an extra insn in between.
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call *b@tlscall(%eax)
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movl %gs:(%eax), %eax
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leal c@tlsdesc(%ebx), %eax
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call *c@tlscall(%eax)
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movl %gs:(%eax), %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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