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

// 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: 5
// CHECK-NEXT:  Info: 0
// CHECK-NEXT:  AddressAlignment: 4
// CHECK-NEXT:  EntrySize: 8
// CHECK-NEXT: }
// CHECK:     Relocations [
// CHECK-NEXT:   Section ({{.*}}) .rel.plt {
// CHECK-NEXT:     0x1200C R_386_IRELATIVE
// CHECK-NEXT:     0x12010 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 29 00 00 00 calll 41
// DISASM-NEXT:    11007: e8 34 00 00 00 calll 52
// 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 35 04 20 01 00 pushl 73732
// DISASM-NEXT:    11026: ff 25 08 20 01 00 jmpl *73736
// DISASM-NEXT:    1102c: 90 nop
// DISASM-NEXT:    1102d: 90 nop
// DISASM-NEXT:    1102e: 90 nop
// DISASM-NEXT:    1102f: 90 nop
// DISASM-NEXT:    11030: ff 25 0c 20 01 00 jmpl *73740
// DISASM-NEXT:    11036: 68 00 00 00 00    pushl $0
// DISASM-NEXT:    1103b: e9 e0 ff ff ff    jmp -32 <.plt>
// DISASM-NEXT:    11040: ff 25 10 20 01 00 jmpl *73744
// DISASM-NEXT:    11046: 68 08 00 00 00    pushl $8
// DISASM-NEXT:    1104b: e9 d0 ff ff ff    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
 call bar
 movl $__rel_iplt_start,%edx
 movl $__rel_iplt_end,%edx