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| // REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple=i686-unknown-linux %s -o %t.o
// RUN: llvm-mc -filetype=obj -triple=i686-unknown-linux %p/Inputs/shared.s -o %t2.o
// RUN: ld.lld -shared %t2.o -soname=t2.so -o %t2.so
// RUN: ld.lld %t.o %t2.so -o %t
// RUN: llvm-readobj -S -r %t | FileCheck %s
// RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %t | FileCheck --check-prefix=DISASM %s
// RUN: ld.lld -shared %t.o %t2.so -o %t
// RUN: llvm-readobj -S -r %t | FileCheck --check-prefix=CHECKSHARED %s
// RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=DISASMSHARED %s
// RUN: ld.lld -pie %t.o %t2.so -o %t
// RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=DISASMPIE %s
// CHECK: Name: .plt
// CHECK-NEXT: Type: SHT_PROGBITS
// CHECK-NEXT: Flags [
// CHECK-NEXT: SHF_ALLOC
// CHECK-NEXT: SHF_EXECINSTR
// CHECK-NEXT: ]
// CHECK-NEXT: Address: 0x4011E0
// CHECK-NEXT: Offset:
// CHECK-NEXT: Size: 48
// CHECK-NEXT: Link: 0
// CHECK-NEXT: Info: 0
// CHECK-NEXT: AddressAlignment: 16
// CHECK: Name: .got.plt
// CHECK-NEXT: Type: SHT_PROGBITS
// CHECK-NEXT: Flags [
// CHECK-NEXT: SHF_ALLOC
// CHECK-NEXT: SHF_WRITE
// CHECK-NEXT: ]
// CHECK-NEXT: Address: 0x403278
// CHECK-NEXT: Offset: 0x278
// CHECK-NEXT: Size: 20
// CHECK-NEXT: Link: 0
// CHECK-NEXT: Info: 0
// CHECK-NEXT: AddressAlignment: 4
// CHECK-NEXT: EntrySize: 0
// First 3 slots of .got.plt are reserved.
// &.got.plt[3] = 0x403278 + 12 = 0x403284
// &.got.plt[4] = 0x403278 + 16 = 0x403288
// CHECK: Relocations [
// CHECK-NEXT: Section ({{.*}}) .rel.plt {
// CHECK-NEXT: 0x403284 R_386_JUMP_SLOT bar 0x0
// CHECK-NEXT: 0x403288 R_386_JUMP_SLOT zed 0x0
// CHECK-NEXT: }
// CHECK-NEXT: ]
// DISASM: local:
// DISASM-NEXT: 4011bc:
// DISASM-NEXT: 4011be:
// DISASM: _start:
// DISASM-NEXT: 4011c0: jmp 0x2b <bar@plt>
// DISASM-NEXT: 4011c5: jmp 0x26 <bar@plt>
// DISASM-NEXT: 4011ca: jmp 0x31 <zed@plt>
// DISASM-NEXT: 4011cf: jmp -0x18 <local>
// DISASM: Disassembly of section .plt:
// DISASM-EMPTY:
// DISASM-NEXT: .plt:
/// Push .got.plt[1], then jump to .got.plt[2]
// DISASM-NEXT: 4011e0: pushl 0x40327c
// DISASM-NEXT: jmpl *0x403280
// DISASM-NEXT: nop
// DISASM-NEXT: nop
// DISASM-NEXT: nop
// DISASM-NEXT: nop
// DISASM-EMPTY:
// DISASM-NEXT: bar@plt:
/// .got.plt[3] = 0x403278 + 12 = 0x403284
// DISASM-NEXT: 4011f0: jmpl *0x403284
// DISASM-NEXT: pushl $0x0
// DISASM-NEXT: jmp -0x20 <.plt>
// DISASM-EMPTY:
// DISASM-NEXT: zed@plt:
/// .got.plt[4] = 0x403278 + 16 = 0x403288
// DISASM-NEXT: 401200: jmpl *0x403288
// DISASM-NEXT: pushl $0x8
// DISASM-NEXT: jmp -0x30 <.plt>
// CHECKSHARED: Name: .plt
// CHECKSHARED-NEXT: Type: SHT_PROGBITS
// CHECKSHARED-NEXT: Flags [
// CHECKSHARED-NEXT: SHF_ALLOC
// CHECKSHARED-NEXT: SHF_EXECINSTR
// CHECKSHARED-NEXT: ]
// CHECKSHARED-NEXT: Address: 0x1200
// CHECKSHARED-NEXT: Offset: 0x200
// CHECKSHARED-NEXT: Size: 48
// CHECKSHARED-NEXT: Link: 0
// CHECKSHARED-NEXT: Info: 0
// CHECKSHARED-NEXT: AddressAlignment: 16
// CHECKSHARED-NEXT: EntrySize: 0
// CHECKSHARED-NEXT: }
// CHECKSHARED: Name: .got.plt
// CHECKSHARED-NEXT: Type: SHT_PROGBITS
// CHECKSHARED-NEXT: Flags [
// CHECKSHARED-NEXT: SHF_ALLOC
// CHECKSHARED-NEXT: SHF_WRITE
// CHECKSHARED-NEXT: ]
// CHECKSHARED-NEXT: Address: 0x3290
// CHECKSHARED-NEXT: Offset: 0x290
// CHECKSHARED-NEXT: Size: 20
// CHECKSHARED-NEXT: Link: 0
// CHECKSHARED-NEXT: Info: 0
// CHECKSHARED-NEXT: AddressAlignment: 4
// CHECKSHARED-NEXT: EntrySize: 0
// CHECKSHARED-NEXT: }
// 0x3000 + got.plt.reserved(12) = 0x300C
// 0x3000 + got.plt.reserved(12) + 4 = 0x3010
// CHECKSHARED: Relocations [
// CHECKSHARED-NEXT: Section ({{.*}}) .rel.plt {
// CHECKSHARED-NEXT: 0x329C R_386_JUMP_SLOT bar 0x0
// CHECKSHARED-NEXT: 0x32A0 R_386_JUMP_SLOT zed 0x0
// CHECKSHARED-NEXT: }
// CHECKSHARED-NEXT: ]
// DISASMSHARED: local:
// DISASMSHARED-NEXT: 11e0:
// DISASMSHARED-NEXT: 11e2:
// DISASMSHARED: _start:
// DISASMSHARED-NEXT: 11e4: jmp 39 <bar@plt>
// DISASMSHARED-NEXT: jmp 34 <bar@plt>
// DISASMSHARED-NEXT: jmp 45 <zed@plt>
// DISASMSHARED-NEXT: jmp -24 <local>
// DISASMSHARED-EMPTY:
// DISASMSHARED-NEXT: Disassembly of section .plt:
// DISASMSHARED-EMPTY:
// DISASMSHARED-NEXT: .plt:
// DISASMSHARED-NEXT: 1200: pushl 4(%ebx)
// DISASMSHARED-NEXT: jmpl *8(%ebx)
// DISASMSHARED-NEXT: nop
// DISASMSHARED-NEXT: nop
// DISASMSHARED-NEXT: nop
// DISASMSHARED-NEXT: nop
// DISASMSHARED: bar@plt:
// DISASMSHARED-NEXT: 1210: jmpl *12(%ebx)
// DISASMSHARED-NEXT: pushl $0
// DISASMSHARED-NEXT: jmp -32 <.plt>
// DISASMSHARED: zed@plt:
// DISASMSHARED-NEXT: 1220: jmpl *16(%ebx)
// DISASMSHARED-NEXT: pushl $8
// DISASMSHARED-NEXT: jmp -48 <.plt>
// DISASMPIE: Disassembly of section .plt:
// DISASMPIE-EMPTY:
// DISASMPIE-NEXT: .plt:
// DISASMPIE-NEXT: 11e0: pushl 4(%ebx)
// DISASMPIE-NEXT: jmpl *8(%ebx)
// DISASMPIE-NEXT: nop
// DISASMPIE-NEXT: nop
// DISASMPIE-NEXT: nop
// DISASMPIE-NEXT: nop
// DISASMPIE-EMPTY:
// DISASMPIE-NEXT: bar@plt:
// DISASMPIE-NEXT: 11f0: jmpl *12(%ebx)
// DISASMPIE-NEXT: pushl $0
// DISASMPIE-NEXT: jmp -32 <.plt>
// DISASMPIE-EMPTY:
// DISASMPIE-NEXT: zed@plt:
// DISASMPIE-NEXT: 1200: jmpl *16(%ebx)
// DISASMPIE-NEXT: pushl $8
// DISASMPIE-NEXT: jmp -48 <.plt>
local:
.long 0
.global _start
_start:
jmp bar@PLT
jmp bar@PLT
jmp zed@PLT
jmp local@plt
|