| # 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 --noinhibit-exec |
| # RUN: llvm-readobj -d -r -x .data -x .got.plt %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 -x .got.plt %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 - |
| # REL-NEXT: R_386_GLOB_DAT func |
| # REL-NEXT: R_386_TLS_TPOFF tls |
| # REL-NEXT: R_386_32 _start |
| # REL-NEXT: } |
| # REL-NEXT: .rel.plt { |
| # REL-NEXT: R_386_JUMP_SLOT func |
| # REL-NEXT: } |
| |
| # REL-LABEL: Hex dump of section '.data': |
| # REL-NEXT: 0x000042d0 d0420000 2a000000 |
| ## ^--- R_386_RELATIVE addend (0x42d0) |
| ## ^--- R_386_32 addend (0x2a) |
| # REL-LABEL: Hex dump of section '.got.plt': |
| # REL-NEXT: 0x000042d8 48320000 00000000 00000000 36120000 |
| ## R_386_JUMP_SLOT target (0x1236) ---------------^ |
| |
| # RUN: ld.lld -shared -z rel -z rela %t.o -o %t2.so |
| # RUN: llvm-readobj -d -r -x .data -x .got.plt %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 - 0x42F0 |
| # RELA-NEXT: R_386_GLOB_DAT func 0x0 |
| # RELA-NEXT: R_386_TLS_TPOFF tls 0x0 |
| # RELA-NEXT: R_386_32 _start 0x2A |
| # RELA-NEXT: } |
| # RELA-NEXT: .rela.plt { |
| # RELA-NEXT: R_386_JUMP_SLOT func 0x0 |
| # RELA-NEXT: } |
| |
| # RELA-LABEL: Hex dump of section '.data': |
| # RELA-NEXT: 0x000042f0 00000000 2a000000 |
| ## ^--- R_386_32 addend (0x2a) |
| ## TODO: we should probably clear the R_386_32 addend that was copied from the .o? |
| ## no addend written for R_386_RELATIVE |
| # RELA-LABEL: Hex dump of section '.got.plt': |
| # RELA-NEXT: 0x000042f8 68320000 00000000 00000000 56120000 |
| ## R_386_JUMP_SLOT target (0x1256) ----------------^ |
| |
| .globl _start |
| _start: |
| call func@PLT |
| movl func@GOT(%eax), %eax |
| |
| .section .text1,"awx" |
| movl tls@GOTNTPOFF(%eax), %eax |
| |
| .data |
| .long .data |
| .long _start+42 |
