forked from OSchip/llvm-project
90 lines
3.3 KiB
ArmAsm
90 lines
3.3 KiB
ArmAsm
// REQUIRES: aarch64
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// RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu %S/Inputs/shared2.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=aarch64-none-linux-gnu %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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// 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: 0x220018 R_AARCH64_JUMP_SLOT bar2 0x0
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// CHECK-NEXT: 0x220020 R_AARCH64_JUMP_SLOT zed2 0x0
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// CHECK-NEXT: 0x220028 R_AARCH64_IRELATIVE - 0x210000
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// CHECK-NEXT: 0x220030 R_AARCH64_IRELATIVE - 0x210004
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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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: 220000 00000000 00000000 00000000 00000000
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// GOTPLT-NEXT: 220010 00000000 00000000 20002100 00000000
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// GOTPLT-NEXT: 220020 20002100 00000000 20002100 00000000
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// GOTPLT-NEXT: 220030 20002100 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: 210000: {{.*}} ret
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// DISASM: bar:
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// DISASM-NEXT: 210004: {{.*}} ret
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// DISASM: _start:
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// DISASM-NEXT: 210008: {{.*}} bl #88
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// DISASM-NEXT: 21000c: {{.*}} bl #100
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// DISASM-NEXT: 210010: {{.*}} bl #48
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// DISASM-NEXT: 210014: {{.*}} bl #60
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// DISASM-NEXT: Disassembly of section .plt:
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// DISASM-NEXT: .plt:
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// DISASM-NEXT: 210020: {{.*}} stp x16, x30, [sp, #-16]!
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// DISASM-NEXT: 210024: {{.*}} adrp x16, #65536
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// DISASM-NEXT: 210028: {{.*}} ldr x17, [x16, #16]
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// DISASM-NEXT: 21002c: {{.*}} add x16, x16, #16
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// DISASM-NEXT: 210030: {{.*}} br x17
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// DISASM-NEXT: 210034: {{.*}} nop
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// DISASM-NEXT: 210038: {{.*}} nop
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// DISASM-NEXT: 21003c: {{.*}} nop
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// DISASM-EMPTY:
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// DISASM-NEXT: bar2@plt:
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// DISASM-NEXT: 210040: {{.*}} adrp x16, #65536
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// DISASM-NEXT: 210044: {{.*}} ldr x17, [x16, #24]
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// DISASM-NEXT: 210048: {{.*}} add x16, x16, #24
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// DISASM-NEXT: 21004c: {{.*}} br x17
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// DISASM-EMPTY:
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// DISASM-NEXT: zed2@plt:
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// DISASM-NEXT: 210050: {{.*}} adrp x16, #65536
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// DISASM-NEXT: 210054: {{.*}} ldr x17, [x16, #32]
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// DISASM-NEXT: 210058: {{.*}} add x16, x16, #32
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// DISASM-NEXT: 21005c: {{.*}} br x17
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// DISASM-NEXT: 210060: {{.*}} adrp x16, #65536
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// DISASM-NEXT: 210064: {{.*}} ldr x17, [x16, #40]
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// DISASM-NEXT: 210068: {{.*}} add x16, x16, #40
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// DISASM-NEXT: 21006c: {{.*}} br x17
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// DISASM-NEXT: 210070: {{.*}} adrp x16, #65536
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// DISASM-NEXT: 210074: {{.*}} ldr x17, [x16, #48]
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// DISASM-NEXT: 210078: {{.*}} add x16, x16, #48
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// DISASM-NEXT: 21007c: {{.*}} br x17
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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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bl foo
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bl bar
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bl bar2
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bl zed2
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