# 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