1# REQUIRES: x86 2# RUN: rm -rf %t && split-file %s %t && cd %t 3# RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o 4# RUN: llvm-mc -filetype=obj -triple=x86_64 b.s -o b.o 5# RUN: ld.lld -shared -soname=b.so b.o -o b.so 6 7# RUN: ld.lld a.o -o a 8# RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn a | FileCheck %s --check-prefix=DISASM 9# RUN: llvm-readelf -r -s a | FileCheck %s 10 11# CHECK: Relocation section '.rela.dyn' at offset {{.*}} contains 3 entries: 12# CHECK-NEXT: Type 13# CHECK-NEXT: {{0*}}[[#%x,O:]] [[#%x,]] R_X86_64_IRELATIVE [[#%x,QUX:]] 14# CHECK-NEXT: {{0*}}[[#O+8]] [[#%x,]] R_X86_64_IRELATIVE 15# CHECK-NEXT: {{0*}}[[#O+16]] [[#%x,]] R_X86_64_IRELATIVE 16 17# CHECK: 0 NOTYPE LOCAL HIDDEN [[#]] __rela_iplt_start 18# CHECK-NEXT: 0 NOTYPE LOCAL HIDDEN [[#]] __rela_iplt_end 19# CHECK-NEXT: {{0*}}[[#QUX]] 0 IFUNC GLOBAL DEFAULT [[#]] qux 20 21# RUN: ld.lld -pie a.o b.so -o a1 22# RUN: llvm-readelf -rs a1 | FileCheck %s --check-prefixes=PIC,PIE 23# RUN: ld.lld -shared a.o b.so -o a2 24# RUN: llvm-readelf -rs a2 | FileCheck %s --check-prefix=PIC 25 26# PIC: {{0*}}[[#%x,O:]] [[#%x,]] R_X86_64_RELATIVE 27# PIC-NEXT: R_X86_64_GLOB_DAT 0000000000000000 ext + 0 28# PIC-NEXT: {{0*}}[[#O-16]] [[#%x,]] R_X86_64_64 0000000000000000 __rela_iplt_start + 0 29# PIC-NEXT: {{0*}}[[#O-8]] [[#%x,]] R_X86_64_64 0000000000000000 __rela_iplt_end + 0 30# PIE-NEXT: {{0*}}[[#O+8]] [[#%x,]] R_X86_64_IRELATIVE 31# PIE-NEXT: {{0*}}[[#O+16]] [[#%x,]] R_X86_64_IRELATIVE 32# PIE-NEXT: {{0*}}[[#O+24]] [[#%x,]] R_X86_64_IRELATIVE 33 34# PIC: 0 NOTYPE WEAK DEFAULT UND __rela_iplt_start 35# PIC-NEXT: 0 NOTYPE WEAK DEFAULT UND __rela_iplt_end 36 37# DISASM: Disassembly of section .text: 38# DISASM-EMPTY: 39# DISASM-NEXT: <qux>: 40# DISASM: <foo>: 41# DISASM: <bar>: 42# DISASM: <unused>: 43# DISASM: <_start>: 44# DISASM-NEXT: callq 0x[[#%x,foo:]] 45# DISASM-NEXT: callq 0x[[#%x,bar:]] 46# DISASM-NEXT: callq 0x[[#%x,qux:]] 47# DISASM-EMPTY: 48# DISASM-NEXT: Disassembly of section .iplt: 49# DISASM-EMPTY: 50# DISASM-NEXT: <.iplt>: 51# DISASM-NEXT: [[#qux]]: jmpq *{{.*}}(%rip) 52# DISASM-NEXT: pushq $0 53# DISASM-NEXT: jmp 0x0 54# DISASM-NEXT: [[#foo]]: jmpq *{{.*}}(%rip) 55# DISASM-NEXT: pushq $1 56# DISASM-NEXT: jmp 0x0 57# DISASM-NEXT: [[#bar]]: jmpq *{{.*}}(%rip) 58# DISASM-NEXT: pushq $2 59# DISASM-NEXT: jmp 0x0 60 61#--- a.s 62.globl qux, foo, bar 63.type qux, @gnu_indirect_function 64.type foo STT_GNU_IFUNC 65.type bar STT_GNU_IFUNC 66qux: ret 67foo: ret 68bar: ret 69 70.type unused, @gnu_indirect_function 71.globl unused 72.weak ext 73unused: mov ext@gotpcrel(%rip), %rax 74 75.weak __rela_iplt_start 76.weak __rela_iplt_end 77 78.globl _start 79_start: 80 call foo 81 call bar 82 call qux 83 84.data 85 .quad __rela_iplt_start 86 .quad __rela_iplt_end 87 .quad .data 88 89#--- b.s 90.globl ext 91ext: 92 ret 93