d46753e421
Its PR34712, GNU linkers recently changed default values to "both" of "sysv". Patch do the same for all targets except MIPS, where .gnu.hash section is not yet supported. Code suggested by Rui Ueyama. Differential revision: https://reviews.llvm.org/D38407 llvm-svn: 315051
67 lines
2.3 KiB
ArmAsm
67 lines
2.3 KiB
ArmAsm
// REQUIRES: x86
|
|
// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
|
|
// RUN: ld.lld --hash-style=sysv --shared -o %t.so %t.o
|
|
// RUN: llvm-objdump -d %t.so | FileCheck %s --check-prefix=DISASM
|
|
// RUN: llvm-readobj -r %t.so | FileCheck %s
|
|
|
|
// Check that an IRELATIVE relocation is used for a non-preemptible ifunc
|
|
// handler and a JUMP_SLOT is used for a preemptible ifunc
|
|
// DISASM: Disassembly of section .text:
|
|
// DISASM-NEXT: fct:
|
|
// DISASM-NEXT: 1000: c3 retq
|
|
// DISASM: fct2:
|
|
// DISASM-NEXT: 1001: c3 retq
|
|
// DISASM: f1:
|
|
// DISASM-NEXT: 1002: e8 49 00 00 00 callq 73
|
|
// DISASM-NEXT: 1007: e8 24 00 00 00 callq 36
|
|
// DISASM-NEXT: 100c: e8 2f 00 00 00 callq 47
|
|
// DISASM-NEXT: 1011: c3 retq
|
|
// DISASM: f2:
|
|
// DISASM-NEXT: 1012: c3 retq
|
|
// DISASM-NEXT: Disassembly of section .plt:
|
|
// DISASM-NEXT: .plt:
|
|
// DISASM-NEXT: 1020: ff 35 e2 0f 00 00 pushq 4066(%rip)
|
|
// DISASM-NEXT: 1026: ff 25 e4 0f 00 00 jmpq *4068(%rip)
|
|
// DISASM-NEXT: 102c: 0f 1f 40 00 nopl (%rax)
|
|
// DISASM-NEXT: 1030: ff 25 e2 0f 00 00 jmpq *4066(%rip)
|
|
// DISASM-NEXT: 1036: 68 00 00 00 00 pushq $0
|
|
// DISASM-NEXT: 103b: e9 e0 ff ff ff jmp -32 <.plt>
|
|
// DISASM-NEXT: 1040: ff 25 da 0f 00 00 jmpq *4058(%rip)
|
|
// DISASM-NEXT: 1046: 68 01 00 00 00 pushq $1
|
|
// DISASM-NEXT: 104b: e9 d0 ff ff ff jmp -48 <.plt>
|
|
// DISASM-NEXT: 1050: ff 25 d2 0f 00 00 jmpq *4050(%rip)
|
|
// DISASM-NEXT: 1056: 68 00 00 00 00 pushq $0
|
|
// DISASM-NEXT: 105b: e9 e0 ff ff ff jmp -32 <.plt+0x20>
|
|
|
|
// CHECK: Relocations [
|
|
// CHECK-NEXT: Section (4) .rela.plt {
|
|
// CHECK-NEXT: 0x2018 R_X86_64_JUMP_SLOT fct2 0x0
|
|
// CHECK-NEXT: 0x2020 R_X86_64_JUMP_SLOT f2 0x0
|
|
// CHECK-NEXT: 0x2028 R_X86_64_IRELATIVE - 0x1000
|
|
|
|
// Hidden expect IRELATIVE
|
|
.globl fct
|
|
.hidden fct
|
|
.type fct, STT_GNU_IFUNC
|
|
fct:
|
|
ret
|
|
|
|
// Not hidden expect JUMP_SLOT
|
|
.globl fct2
|
|
.type fct2, STT_GNU_IFUNC
|
|
fct2:
|
|
ret
|
|
|
|
.globl f1
|
|
.type f1, @function
|
|
f1:
|
|
call fct
|
|
call fct2
|
|
call f2@PLT
|
|
ret
|
|
|
|
.globl f2
|
|
.type f2, @function
|
|
f2:
|
|
ret
|