i386-zrel-zrela.s 1.78 KB
# REQUIRES: x86
## The i386 psABI uses Elf64_Rela relocation entries. We produce
## Elf32_Rel dynamic relocations by default, but can use Elf32_Rela with -z rela.

# RUN: llvm-mc -filetype=obj -triple=i386 %s -o %t.o
# RUN: ld.lld -shared %t.o -o %t.so
# RUN: llvm-readobj -d -r -x .data %t.so | FileCheck --check-prefix=REL %s
# RUN: ld.lld -shared -z rel %t.o -o %t1.so
# RUN: llvm-readobj -d -r -x .data %t1.so | FileCheck --check-prefix=REL %s

# REL:      REL      {{.*}}
# REL-NEXT: RELSZ    32 (bytes)
# REL-NEXT: RELENT   8 (bytes)
# REL-NEXT: RELCOUNT 1
# REL-NEXT: JMPREL   {{.*}}
# REL-NEXT: PLTRELSZ 8 (bytes)
# REL-NEXT: PLTGOT   {{.*}}
# REL-NEXT: PLTREL   REL{{$}}
# REL:      .rel.dyn {
# REL-NEXT:   R_386_RELATIVE - 0x0
# REL-NEXT:   R_386_GLOB_DAT func 0x0
# REL-NEXT:   R_386_TLS_TPOFF tls 0x0
# REL-NEXT:   R_386_32 _start 0x0
# REL-NEXT: }
# REL-NEXT: .rel.plt {
# REL-NEXT:   R_386_JUMP_SLOT func 0x0
# REL-NEXT: }

# REL:      Hex dump of section '.data':
# REL-NEXT: 0x000042cc cc420000 2a000000

# RUN: ld.lld -shared -z rel -z rela %t.o -o %t2.so
# RUN: llvm-readobj -d -r %t2.so | FileCheck --check-prefix=RELA %s

# RELA:      RELA      {{.*}}
# RELA-NEXT: RELASZ    48 (bytes)
# RELA-NEXT: RELAENT   12 (bytes)
# RELA-NEXT: RELACOUNT 1
# RELA-NEXT: JMPREL    {{.*}}
# RELA-NEXT: PLTRELSZ  12 (bytes)
# RELA-NEXT: PLTGOT    {{.*}}
# RELA-NEXT: PLTREL    RELA
# RELA:      .rela.dyn {
# RELA-NEXT:   R_386_RELATIVE - 0x42EC
# RELA-NEXT:   R_386_GLOB_DAT func 0x0
# RELA-NEXT:   R_386_TLS_TPOFF tls 0x2A
# RELA-NEXT:   R_386_32 _start 0x2A
# RELA-NEXT: }
# RELA-NEXT: .rela.plt {
# RELA-NEXT:   R_386_JUMP_SLOT func 0x0
# RELA-NEXT: }

.globl _start
_start:
  call func@PLT
  movl func@GOT(%eax), %eax

.section .text1,"awx"
  movl %gs:tls@NTPOFF+42, %eax

.data
  .long .data
  .long _start+42