blob: ca30316c7afe1aa536a7eff9b44ff2688c7ad4fb [file] [log] [blame]
// REQUIRES: aarch64
// RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu %S/Inputs/shared2.s -o %t1.o
// RUN: ld.lld %t1.o --shared -o %t.so
// RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu %s -o %t.o
// RUN: ld.lld --hash-style=sysv %t.so %t.o -o %tout
// RUN: llvm-objdump -d %tout | FileCheck %s --check-prefix=DISASM
// RUN: llvm-objdump -s %tout | FileCheck %s --check-prefix=GOTPLT
// RUN: llvm-readobj -r -dynamic-table %tout | FileCheck %s
// Check that the IRELATIVE relocations are after the JUMP_SLOT in the plt
// CHECK: Relocations [
// CHECK-NEXT: Section (4) .rela.plt {
// CHECK: 0x30018 R_AARCH64_JUMP_SLOT bar2 0x0
// CHECK-NEXT: 0x30020 R_AARCH64_JUMP_SLOT zed2 0x0
// CHECK-NEXT: 0x30028 R_AARCH64_IRELATIVE - 0x20000
// CHECK-NEXT: 0x30030 R_AARCH64_IRELATIVE - 0x20004
// CHECK-NEXT: }
// CHECK-NEXT: ]
// Check that .got.plt entries point back to PLT header
// GOTPLT: Contents of section .got.plt:
// GOTPLT-NEXT: 30000 00000000 00000000 00000000 00000000
// GOTPLT-NEXT: 30010 00000000 00000000 20000200 00000000
// GOTPLT-NEXT: 30020 20000200 00000000 20000200 00000000
// GOTPLT-NEXT: 30030 20000200 00000000
// Check that the PLTRELSZ tag includes the IRELATIVE relocations
// CHECK: DynamicSection [
// CHECK: 0x0000000000000002 PLTRELSZ 96 (bytes)
// Check that a PLT header is written and the ifunc entries appear last
// DISASM: Disassembly of section .text:
// DISASM-NEXT: foo:
// DISASM-NEXT: 20000: {{.*}} ret
// DISASM: bar:
// DISASM-NEXT: 20004: {{.*}} ret
// DISASM: _start:
// DISASM-NEXT: 20008: {{.*}} bl #88
// DISASM-NEXT: 2000c: {{.*}} bl #100
// DISASM-NEXT: 20010: {{.*}} bl #48
// DISASM-NEXT: 20014: {{.*}} bl #60
// DISASM-NEXT: Disassembly of section .plt:
// DISASM-NEXT: .plt:
// DISASM-NEXT: 20020: {{.*}} stp x16, x30, [sp, #-16]!
// DISASM-NEXT: 20024: {{.*}} adrp x16, #65536
// DISASM-NEXT: 20028: {{.*}} ldr x17, [x16, #16]
// DISASM-NEXT: 2002c: {{.*}} add x16, x16, #16
// DISASM-NEXT: 20030: {{.*}} br x17
// DISASM-NEXT: 20034: {{.*}} nop
// DISASM-NEXT: 20038: {{.*}} nop
// DISASM-NEXT: 2003c: {{.*}} nop
// DISASM-NEXT: 20040: {{.*}} adrp x16, #65536
// DISASM-NEXT: 20044: {{.*}} ldr x17, [x16, #24]
// DISASM-NEXT: 20048: {{.*}} add x16, x16, #24
// DISASM-NEXT: 2004c: {{.*}} br x17
// DISASM-NEXT: 20050: {{.*}} adrp x16, #65536
// DISASM-NEXT: 20054: {{.*}} ldr x17, [x16, #32]
// DISASM-NEXT: 20058: {{.*}} add x16, x16, #32
// DISASM-NEXT: 2005c: {{.*}} br x17
// DISASM-NEXT: 20060: {{.*}} adrp x16, #65536
// DISASM-NEXT: 20064: {{.*}} ldr x17, [x16, #40]
// DISASM-NEXT: 20068: {{.*}} add x16, x16, #40
// DISASM-NEXT: 2006c: {{.*}} br x17
// DISASM-NEXT: 20070: {{.*}} adrp x16, #65536
// DISASM-NEXT: 20074: {{.*}} ldr x17, [x16, #48]
// DISASM-NEXT: 20078: {{.*}} add x16, x16, #48
// DISASM-NEXT: 2007c: {{.*}} br x17
.text
.type foo STT_GNU_IFUNC
.globl foo
foo:
ret
.type bar STT_GNU_IFUNC
.globl bar
bar:
ret
.globl _start
_start:
bl foo
bl bar
bl bar2
bl zed2