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75 lines
3.1 KiB
ArmAsm
75 lines
3.1 KiB
ArmAsm
// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %S/Inputs/shared2-x86-64.s -o %t1.o
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// RUN: ld.lld %t1.o --shared -o %t.so
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// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
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// RUN: ld.lld --hash-style=sysv %t.so %t.o -o %tout
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// RUN: llvm-objdump -d %tout | FileCheck %s --check-prefix=DISASM
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// RUN: llvm-objdump -s %tout | FileCheck %s --check-prefix=GOTPLT
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// RUN: llvm-readobj -r -dynamic-table %tout | FileCheck %s
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// REQUIRES: x86
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// Check that the IRELATIVE relocations are after the JUMP_SLOT in the plt
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// CHECK: Relocations [
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// CHECK-NEXT: Section (4) .rela.plt {
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// CHECK-NEXT: 0x202018 R_X86_64_JUMP_SLOT bar2 0x0
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// CHECK-NEXT: 0x202020 R_X86_64_JUMP_SLOT zed2 0x0
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// CHECK-NEXT: 0x202028 R_X86_64_IRELATIVE - 0x201000
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// CHECK-NEXT: 0x202030 R_X86_64_IRELATIVE - 0x201001
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// Check that .got.plt entries point back to PLT header
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// GOTPLT: Contents of section .got.plt:
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// GOTPLT-NEXT: 202000 00302000 00000000 00000000 00000000
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// GOTPLT-NEXT: 202010 00000000 00000000 36102000 00000000
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// GOTPLT-NEXT: 202020 46102000 00000000 56102000 00000000
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// GOTPLT-NEXT: 202030 66102000 00000000
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// Check that the PLTRELSZ tag includes the IRELATIVE relocations
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// CHECK: DynamicSection [
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// CHECK: 0x0000000000000002 PLTRELSZ 96 (bytes)
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// Check that a PLT header is written and the ifunc entries appear last
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// DISASM: Disassembly of section .text:
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// DISASM-NEXT: foo:
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// DISASM-NEXT: 201000: c3 retq
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// DISASM: bar:
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// DISASM-NEXT: 201001: c3 retq
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// DISASM: _start:
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// DISASM-NEXT: 201002: e8 49 00 00 00 callq 73
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// DISASM-NEXT: 201007: e8 54 00 00 00 callq 84
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// DISASM-NEXT: 20100c: e8 1f 00 00 00 callq 31
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// DISASM-NEXT: 201011: e8 2a 00 00 00 callq 42
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// DISASM-NEXT: Disassembly of section .plt:
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// DISASM-NEXT: .plt:
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// DISASM-NEXT: 201020: ff 35 e2 0f 00 00 pushq 4066(%rip)
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// DISASM-NEXT: 201026: ff 25 e4 0f 00 00 jmpq *4068(%rip)
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// DISASM-NEXT: 20102c: 0f 1f 40 00 nopl (%rax)
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// DISASM-NEXT: 201030: ff 25 e2 0f 00 00 jmpq *4066(%rip)
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// DISASM-NEXT: 201036: 68 00 00 00 00 pushq $0
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// DISASM-NEXT: 20103b: e9 e0 ff ff ff jmp -32 <.plt>
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// DISASM-NEXT: 201040: ff 25 da 0f 00 00 jmpq *4058(%rip)
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// DISASM-NEXT: 201046: 68 01 00 00 00 pushq $1
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// DISASM-NEXT: 20104b: e9 d0 ff ff ff jmp -48 <.plt>
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// DISASM-NEXT: 201050: ff 25 d2 0f 00 00 jmpq *4050(%rip)
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// DISASM-NEXT: 201056: 68 00 00 00 00 pushq $0
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// DISASM-NEXT: 20105b: e9 e0 ff ff ff jmp -32 <.plt+0x20>
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// DISASM-NEXT: 201060: ff 25 ca 0f 00 00 jmpq *4042(%rip)
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// DISASM-NEXT: 201066: 68 01 00 00 00 pushq $1
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// DISASM-NEXT: 20106b: e9 d0 ff ff ff jmp -48 <.plt+0x20>
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.text
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.type foo STT_GNU_IFUNC
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.globl foo
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foo:
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ret
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.type bar STT_GNU_IFUNC
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.globl bar
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bar:
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ret
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.globl _start
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_start:
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call foo
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call bar
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call bar2
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call zed2
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