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| // REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %S/Inputs/shared2-x86-64.s -o %t1.o
// RUN: ld.lld %t1.o --shared --soname=t.so -o %t.so
// RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %s -o %t.o
// RUN: ld.lld --hash-style=sysv %t.so %t.o -o %tout
// RUN: llvm-objdump -d --no-show-raw-insn %tout | FileCheck %s --check-prefix=DISASM
// RUN: llvm-objdump -s %tout | FileCheck %s --check-prefix=GOTPLT
// RUN: llvm-readobj -r --dynamic-table %tout | FileCheck %s
// Check that the IRELATIVE relocations are after the JUMP_SLOT in the plt
// CHECK: Relocations [
// CHECK-NEXT: Section (4) .rel.dyn {
// CHECK-NEXT: 0x4032AC R_386_IRELATIVE
// CHECK-NEXT: 0x4032B0 R_386_IRELATIVE
// CHECK-NEXT: }
// CHECK-NEXT: Section (5) .rel.plt {
// CHECK-NEXT: 0x4032A4 R_386_JUMP_SLOT bar2
// CHECK-NEXT: 0x4032A8 R_386_JUMP_SLOT zed2
// CHECK-NEXT: }
// Check that IRELATIVE .got.plt entries point to ifunc resolver and not
// back to the plt entry + 6.
// GOTPLT: Contents of section .got.plt:
// GOTPLT: 403298 20224000 00000000 00000000 e6114000
// GOTPLT-NEXT: 4032a8 f6114000 b4114000 b5114000
// Check that the PLTRELSZ tag does not include the IRELATIVE relocations
// CHECK: DynamicSection [
// CHECK: 0x00000012 RELSZ 16 (bytes)
// CHECK: 0x00000002 PLTRELSZ 16 (bytes)
// Check that a PLT header is written and the ifunc entries appear last
// DISASM: Disassembly of section .text:
// DISASM-EMPTY:
// DISASM-NEXT: foo:
// DISASM-NEXT: 4011b4: retl
// DISASM: bar:
// DISASM-NEXT: 4011b5: retl
// DISASM: _start:
// DISASM-NEXT: 4011b6: calll 69 <zed2@plt+0x10>
// DISASM-NEXT: calll 80 <zed2@plt+0x20>
// DISASM-NEXT: calll 27 <bar2@plt>
// DISASM-NEXT: calll 38 <zed2@plt>
// DISASM-EMPTY:
// DISASM-NEXT: Disassembly of section .plt:
// DISASM-EMPTY:
// DISASM-NEXT: .plt:
// DISASM-NEXT: 4011d0: pushl 4207260
// DISASM-NEXT: jmpl *4207264
// DISASM-NEXT: nop
// DISASM-NEXT: nop
// DISASM-NEXT: nop
// DISASM-NEXT: nop
// DISASM-EMPTY:
// DISASM-NEXT: bar2@plt:
// DISASM-NEXT: 4011e0: jmpl *4207268
// DISASM-NEXT: pushl $0
// DISASM-NEXT: jmp -32 <.plt>
// DISASM-EMPTY:
// DISASM-NEXT: zed2@plt:
// DISASM-NEXT: 4011f0: jmpl *4207272
// DISASM-NEXT: pushl $8
// DISASM-NEXT: jmp -48 <.plt>
// DISASM-NEXT: jmpl *4207276
// DISASM-NEXT: pushl $48
// DISASM-NEXT: jmp -32 <zed2@plt>
// DISASM-NEXT: jmpl *4207280
// DISASM-NEXT: pushl $56
// DISASM-NEXT: jmp -48 <zed2@plt>
.text
.type foo STT_GNU_IFUNC
.globl foo
foo:
ret
.type bar STT_GNU_IFUNC
.globl bar
bar:
ret
.globl _start
_start:
call foo@plt
call bar@plt
call bar2@plt
call zed2@plt
|