1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// RUN: llvm-mc %s -o %t.o -filetype=obj -triple=x86_64-pc-linux
// RUN: llvm-mc %p/Inputs/copy-rel-pie.s -o %t2.o -filetype=obj -triple=x86_64-pc-linux
// RUN: ld.lld %t2.o -o %t2.so -shared
// RUN: ld.lld --hash-style=sysv %t.o %t2.so -o %t.exe -pie
// RUN: llvm-readobj -s -r %t.exe | FileCheck %s
// RUN: llvm-objdump -d %t.exe | FileCheck --check-prefix=DISASM %s
.global _start
_start:
call bar
call foo
// CHECK: Name: .plt
// CHECK-NEXT: Type: SHT_PROGBITS
// CHECK-NEXT: Flags [
// CHECK-NEXT: SHF_ALLOC
// CHECK-NEXT: SHF_EXECINSTR
// CHECK-NEXT: ]
// CHECK-NEXT: Address: 0x1010
// CHECK: Name: .bss
// CHECK-NEXT: Type: SHT_NOBITS
// CHECK-NEXT: Flags [
// CHECK-NEXT: SHF_ALLOC
// CHECK-NEXT: SHF_WRITE
// CHECK-NEXT: ]
// CHECK-NEXT: Address: 0x4000
// CHECK: Relocations [
// CHECK-NEXT: Section (4) .rela.dyn {
// CHECK-NEXT: 0x4000 R_X86_64_COPY foo 0x0
// CHECK-NEXT: }
// CHECK-NEXT: Section (5) .rela.plt {
// CHECK-NEXT: 0x2018 R_X86_64_JUMP_SLOT bar 0x0
// CHECK-NEXT: }
// CHECK-NEXT: ]
// (0x1010 + 0x10) - 0x1005 = 27
// 0x4000 - 0x100a = 12278
// DISASM: Disassembly of section .text:
// DISASM-NEXT: _start:
// DISASM-NEXT: 1000: e8 1b 00 00 00 callq 27
// DISASM-NEXT: 1005: e8 f6 2f 00 00 callq 12278 <foo>
|
