llvm-project/lld/test/ELF/gnu-ifunc-noplt-i386.s

72 lines
2.2 KiB
ArmAsm

// REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple=i686-pc-freebsd %S/Inputs/shared2-x86-64.s -o %t1.o
// RUN: ld.lld %t1.o --shared -o %t.so
// RUN: llvm-mc -filetype=obj -triple=i686-pc-freebsd %s -o %t.o
// RUN: ld.lld -z ifunc-noplt -z notext --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-readobj -r --dynamic-table %tout | FileCheck %s
// Check that we emitted relocations for the ifunc calls
// CHECK: Relocations [
// CHECK-NEXT: Section (4) .rel.dyn {
// CHECK-NEXT: 0x401008 R_386_PLT32 bar
// CHECK-NEXT: 0x401003 R_386_PLT32 foo
// CHECK-NEXT: }
// CHECK-NEXT: Section (5) .rel.plt {
// CHECK-NEXT: 0x40300C R_386_JUMP_SLOT bar2
// CHECK-NEXT: 0x403010 R_386_JUMP_SLOT zed2
// CHECK-NEXT: }
// Check that ifunc call sites still require relocation
// DISASM: Disassembly of section .text:
// DISASM-EMPTY:
// DISASM-NEXT: 0000000000401000 foo:
// DISASM-NEXT: 401000: retl
// DISASM-EMPTY:
// DISASM-NEXT: 0000000000401001 bar:
// DISASM-NEXT: 401001: retl
// DISASM-EMPTY:
// DISASM-NEXT: 0000000000401002 _start:
// DISASM-NEXT: 401002: calll -4 <_start+0x1>
// DISASM-NEXT: 401007: calll -4 <_start+0x6>
// DISASM-NEXT: 40100c: calll 31 <bar2@plt>
// DISASM-NEXT: 401011: calll 42 <zed2@plt>
// DISASM-EMPTY:
// DISASM-NEXT: Disassembly of section .plt:
// DISASM-EMPTY:
// DISASM-NEXT: 0000000000401020 .plt:
// DISASM-NEXT: 401020: pushl 4206596
// DISASM-NEXT: 401026: jmpl *4206600
// DISASM-NEXT: 40102c: nop
// DISASM-NEXT: 40102d: nop
// DISASM-NEXT: 40102e: nop
// DISASM-NEXT: 40102f: nop
// DISASM-EMPTY:
// DISASM-NEXT: 0000000000401030 bar2@plt:
// DISASM-NEXT: 401030: jmpl *4206604
// DISASM-NEXT: 401036: pushl $0
// DISASM-NEXT: 40103b: jmp -32 <.plt>
// DISASM-EMPTY:
// DISASM-NEXT: 0000000000401040 zed2@plt:
// DISASM-NEXT: 401040: jmpl *4206608
// DISASM-NEXT: 401046: pushl $8
// DISASM-NEXT: 40104b: jmp -48 <.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