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

127 lines
3.4 KiB
ArmAsm

// RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %s -o %t.o
// RUN: ld.lld -static %t.o -o %tout
// RUN: llvm-objdump -d %tout | FileCheck %s --check-prefix=DISASM
// RUN: llvm-readobj -r -symbols -sections %tout | FileCheck %s
// REQUIRES: x86
// CHECK: Sections [
// CHECK: Section {
// CHECK: Index: 1
// CHECK-NEXT: Name: .rel.plt
// CHECK-NEXT: Type: SHT_REL
// CHECK-NEXT: Flags [
// CHECK-NEXT: SHF_ALLOC
// CHECK-NEXT: ]
// CHECK-NEXT: Address: [[RELA:.*]]
// CHECK-NEXT: Offset: 0xD4
// CHECK-NEXT: Size: 16
// CHECK-NEXT: Link: 0
// CHECK-NEXT: Info: 0
// CHECK-NEXT: AddressAlignment: 4
// CHECK-NEXT: EntrySize: 8
// CHECK-NEXT: }
// CHECK: Relocations [
// CHECK-NEXT: Section ({{.*}}) .rel.plt {
// CHECK-NEXT: 0x12000 R_386_IRELATIVE
// CHECK-NEXT: 0x12004 R_386_IRELATIVE
// CHECK-NEXT: }
// CHECK-NEXT: ]
// CHECK: Symbols [
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name:
// CHECK-NEXT: Value: 0x0
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Local
// CHECK-NEXT: Type: None
// CHECK-NEXT: Other: 0
// CHECK-NEXT: Section: Undefined
// CHECK-NEXT: }
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name: __rel_iplt_end
// CHECK-NEXT: Value: 0x100E4
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Local
// CHECK-NEXT: Type: None
// CHECK-NEXT: Other [
// CHECK-NEXT: STV_HIDDEN
// CHECK-NEXT: ]
// CHECK-NEXT: Section: .rel.plt
// CHECK-NEXT: }
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name: __rel_iplt_start
// CHECK-NEXT: Value: [[RELA]]
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Local
// CHECK-NEXT: Type: None
// CHECK-NEXT: Other [
// CHECK-NEXT: STV_HIDDEN
// CHECK-NEXT: ]
// CHECK-NEXT: Section: .rel.plt
// CHECK-NEXT: }
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name: _start
// CHECK-NEXT: Value: 0x11002
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Global
// CHECK-NEXT: Type: None
// CHECK-NEXT: Other: 0
// CHECK-NEXT: Section: .text
// CHECK-NEXT: }
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name: bar
// CHECK-NEXT: Value: 0x11001
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Global
// CHECK-NEXT: Type: GNU_IFunc
// CHECK-NEXT: Other: 0
// CHECK-NEXT: Section: .text
// CHECK-NEXT: }
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name: foo
// CHECK-NEXT: Value: 0x11000
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Global
// CHECK-NEXT: Type: GNU_IFunc
// CHECK-NEXT: Other: 0
// CHECK-NEXT: Section: .text
// CHECK-NEXT: }
// CHECK-NEXT:]
// DISASM: Disassembly of section .text:
// DISASM-NEXT: foo:
// DISASM-NEXT: 11000: c3 retl
// DISASM: bar:
// DISASM-NEXT: 11001: c3 retl
// DISASM: _start:
// DISASM-NEXT: 11002: e8 19 00 00 00 calll 25
// DISASM-NEXT: 11007: e8 24 00 00 00 calll 36
// DISASM-NEXT: 1100c: ba d4 00 01 00 movl $65748, %edx
// DISASM-NEXT: 11011: ba e4 00 01 00 movl $65764, %edx
// DISASM-NEXT: Disassembly of section .plt:
// DISASM-NEXT: .plt:
// DISASM-NEXT: 11020: ff 25 00 20 01 00 jmpl *73728
// DISASM-NEXT: 11026: 68 10 00 00 00 pushl $16
// DISASM-NEXT: 1102b: e9 e0 ff ff ff jmp -32 <_start+0xe>
// DISASM-NEXT: 11030: ff 25 04 20 01 00 jmpl *73732
// DISASM-NEXT: 11036: 68 18 00 00 00 pushl $24
// DISASM-NEXT: 1103b: e9 d0 ff ff ff jmp -48 <_start+0xe>
.text
.type foo STT_GNU_IFUNC
.globl foo
foo:
ret
.type bar STT_GNU_IFUNC
.globl bar
bar:
ret
.globl _start
_start:
call foo
call bar
movl $__rel_iplt_start,%edx
movl $__rel_iplt_end,%edx