blob: c24cab20e769c4b9365793772eadc1e9f90f3334 [file] [log] [blame]
// 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 -o %t2.so
// RUN: ld.lld %t.o %t2.so -o %t
// RUN: llvm-readobj -s -r %t | FileCheck %s
// RUN: llvm-objdump -d %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 %t | FileCheck --check-prefix=DISASMSHARED %s
// RUN: ld.lld -pie %t.o %t2.so -o %t
// RUN: llvm-objdump -d %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: 0x11020
// 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: 0x12000
// CHECK-NEXT: Offset: 0x2000
// CHECK-NEXT: Size: 20
// CHECK-NEXT: Link: 0
// CHECK-NEXT: Info: 0
// CHECK-NEXT: AddressAlignment: 4
// CHECK-NEXT: EntrySize: 0
// 0x12000 + got.plt.reserved(12) = 0x1200C
// 0x12000 + got.plt.reserved(12) + 4 = 0x12010
// CHECK: Relocations [
// CHECK-NEXT: Section ({{.*}}) .rel.plt {
// CHECK-NEXT: 0x1200C R_386_JUMP_SLOT bar 0x0
// CHECK-NEXT: 0x12010 R_386_JUMP_SLOT zed 0x0
// CHECK-NEXT: }
// CHECK-NEXT: ]
// Unfortunately FileCheck can't do math, so we have to check for explicit
// values:
// 16 is the size of PLT[0]
// (0x11010 + 16) - (0x11000 + 1) - 4 = 27
// (0x11010 + 16) - (0x11005 + 1) - 4 = 22
// (0x11020 + 16) - (0x1100a + 1) - 4 = 33
// DISASM: local:
// DISASM-NEXT: 11000: {{.*}}
// DISASM-NEXT: 11002: {{.*}}
// DISASM: _start:
// 0x11013 + 5 - 24 = 0x11000
// DISASM-NEXT: 11004: e9 27 00 00 00 jmp 39
// DISASM-NEXT: 11009: e9 22 00 00 00 jmp 34
// DISASM-NEXT: 1100e: e9 2d 00 00 00 jmp 45
// DISASM-NEXT: 11013: e9 e8 ff ff ff jmp -24
// 0x11010 - 0x1102b - 5 = -32
// 0x11010 - 0x1103b - 5 = -48
// 77828 = 0x13004 = .got.plt (0x13000) + 4
// 77832 = 0x13008 = .got.plt (0x13000) + 8
// 77836 = 0x1300C = .got.plt (0x13000) + got.plt.reserved(12)
// 77840 = 0x13010 = .got.plt (0x13000) + got.plt.reserved(12) + 4
// DISASM: 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>
// CHECKSHARED: Name: .plt
// CHECKSHARED-NEXT: Type: SHT_PROGBITS
// CHECKSHARED-NEXT: Flags [
// CHECKSHARED-NEXT: SHF_ALLOC
// CHECKSHARED-NEXT: SHF_EXECINSTR
// CHECKSHARED-NEXT: ]
// CHECKSHARED-NEXT: Address: 0x1020
// CHECKSHARED-NEXT: Offset: 0x1020
// 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: 0x2000
// CHECKSHARED-NEXT: Offset: 0x2000
// CHECKSHARED-NEXT: Size: 20
// CHECKSHARED-NEXT: Link: 0
// CHECKSHARED-NEXT: Info: 0
// CHECKSHARED-NEXT: AddressAlignment: 4
// CHECKSHARED-NEXT: EntrySize: 0
// CHECKSHARED-NEXT: }
// 0x2000 + got.plt.reserved(12) = 0x200C
// 0x2000 + got.plt.reserved(12) + 4 = 0x2010
// CHECKSHARED: Relocations [
// CHECKSHARED-NEXT: Section ({{.*}}) .rel.plt {
// CHECKSHARED-NEXT: 0x200C R_386_JUMP_SLOT bar 0x0
// CHECKSHARED-NEXT: 0x2010 R_386_JUMP_SLOT zed 0x0
// CHECKSHARED-NEXT: }
// CHECKSHARED-NEXT: ]
// DISASMSHARED: local:
// DISASMSHARED-NEXT: 1000: {{.*}}
// DISASMSHARED-NEXT: 1002: {{.*}}
// DISASMSHARED: _start:
// 0x1013 + 5 - 24 = 0x1000
// DISASMSHARED-NEXT: 1004: e9 27 00 00 00 jmp 39
// DISASMSHARED-NEXT: 1009: e9 22 00 00 00 jmp 34
// DISASMSHARED-NEXT: 100e: e9 2d 00 00 00 jmp 45
// DISASMSHARED-NEXT: 1013: e9 e8 ff ff ff jmp -24
// DISASMSHARED-NEXT: Disassembly of section .plt:
// DISASMSHARED-NEXT: .plt:
// DISASMSHARED-NEXT: 1020: ff b3 04 20 00 00 pushl 8196(%ebx)
// DISASMSHARED-NEXT: 1026: ff a3 08 20 00 00 jmpl *8200(%ebx)
// DISASMSHARED-NEXT: 102c: 90 nop
// DISASMSHARED-NEXT: 102d: 90 nop
// DISASMSHARED-NEXT: 102e: 90 nop
// DISASMSHARED-NEXT: 102f: 90 nop
// DISASMSHARED-NEXT: 1030: ff a3 0c 20 00 00 jmpl *8204(%ebx)
// DISASMSHARED-NEXT: 1036: 68 00 00 00 00 pushl $0
// DISASMSHARED-NEXT: 103b: e9 e0 ff ff ff jmp -32 <.plt>
// DISASMSHARED-NEXT: 1040: ff a3 10 20 00 00 jmpl *8208(%ebx)
// DISASMSHARED-NEXT: 1046: 68 08 00 00 00 pushl $8
// DISASMSHARED-NEXT: 104b: e9 d0 ff ff ff jmp -48 <.plt>
// DISASMPIE: Disassembly of section .plt:
// DISASMPIE-NEXT: .plt:
// DISASMPIE-NEXT: 1020: ff b3 04 20 00 00 pushl 8196(%ebx)
// DISASMPIE-NEXT: 1026: ff a3 08 20 00 00 jmpl *8200(%ebx)
// DISASMPIE-NEXT: 102c: 90 nop
// DISASMPIE-NEXT: 102d: 90 nop
// DISASMPIE-NEXT: 102e: 90 nop
// DISASMPIE-NEXT: 102f: 90 nop
// DISASMPIE-NEXT: 1030: ff a3 0c 20 00 00 jmpl *8204(%ebx)
// DISASMPIE-NEXT: 1036: 68 00 00 00 00 pushl $0
// DISASMPIE-NEXT: 103b: e9 e0 ff ff ff jmp -32 <.plt>
// DISASMPIE-NEXT: 1040: ff a3 10 20 00 00 jmpl *8208(%ebx)
// DISASMPIE-NEXT: 1046: 68 08 00 00 00 pushl $8
// DISASMPIE-NEXT: 104b: e9 d0 ff ff ff jmp -48 <.plt>
local:
.long 0
.global _start
_start:
jmp bar@PLT
jmp bar@PLT
jmp zed@PLT
jmp local@plt