[llvm] Do not replace dead constant references in metadata with undef
[llvm-project.git] / lld / test / ELF / i386-retpoline-pic-linkerscript.s
blobf14c47b52dd684b40e5ad27284c0167ed101db72
1 // REQUIRES: x86
2 // RUN: llvm-mc -filetype=obj -triple=i386-unknown-linux -position-independent %s -o %t1.o
3 // RUN: llvm-mc -filetype=obj -triple=i386-unknown-linux -position-independent %p/Inputs/shared.s -o %t2.o
4 // RUN: ld.lld -shared %t2.o -o %t2.so
6 // RUN: echo "SECTIONS { \
7 // RUN: .text : { *(.text) } \
8 // RUN: .plt : { *(.plt) } \
9 // RUN: .got.plt : { *(.got.plt) } \
10 // RUN: .dynstr : { *(.dynstr) } \
11 // RUN: }" > %t.script
12 // RUN: ld.lld %t1.o %t2.so -o %t.exe -z retpolineplt -pie --script %t.script
13 // RUN: llvm-objdump -d -s %t.exe | FileCheck %s
15 // CHECK: Disassembly of section .plt:
16 // CHECK-EMPTY:
17 // CHECK-NEXT: <.plt>:
18 // CHECK-NEXT: 10: ff b3 04 00 00 00 pushl 4(%ebx)
19 // CHECK-NEXT: 16: 50 pushl %eax
20 // CHECK-NEXT: 17: 8b 83 08 00 00 00 movl 8(%ebx), %eax
21 // CHECK-NEXT: 1d: e8 0e 00 00 00 calll 0x30 <.plt+0x20>
22 // CHECK-NEXT: 22: f3 90 pause
23 // CHECK-NEXT: 24: 0f ae e8 lfence
24 // CHECK-NEXT: 27: eb f9 jmp 0x22 <.plt+0x12>
25 // CHECK-NEXT: 29: cc int3
26 // CHECK-NEXT: 2a: cc int3
27 // CHECK-NEXT: 2b: cc int3
28 // CHECK-NEXT: 2c: cc int3
29 // CHECK-NEXT: 2d: cc int3
30 // CHECK-NEXT: 2e: cc int3
31 // CHECK-NEXT: 2f: cc int3
32 // CHECK-NEXT: 30: 89 0c 24 movl %ecx, (%esp)
33 // CHECK-NEXT: 33: 8b 4c 24 04 movl 4(%esp), %ecx
34 // CHECK-NEXT: 37: 89 44 24 04 movl %eax, 4(%esp)
35 // CHECK-NEXT: 3b: 89 c8 movl %ecx, %eax
36 // CHECK-NEXT: 3d: 59 popl %ecx
37 // CHECK-NEXT: 3e: c3 retl
38 // CHECK-NEXT: 3f: cc int3
39 // CHECK-NEXT: 40: 50 pushl %eax
40 // CHECK-NEXT: 41: 8b 83 0c 00 00 00 movl 12(%ebx), %eax
41 // CHECK-NEXT: 47: e8 e4 ff ff ff calll 0x30 <.plt+0x20>
42 // CHECK-NEXT: 4c: e9 d1 ff ff ff jmp 0x22 <.plt+0x12>
43 // CHECK-NEXT: 51: 68 00 00 00 00 pushl $0
44 // CHECK-NEXT: 56: e9 b5 ff ff ff jmp 0x10 <.plt>
45 // CHECK-NEXT: 5b: cc int3
46 // CHECK-NEXT: 5c: cc int3
47 // CHECK-NEXT: 5d: cc int3
48 // CHECK-NEXT: 5e: cc int3
49 // CHECK-NEXT: 5f: cc int3
50 // CHECK-NEXT: 60: 50 pushl %eax
51 // CHECK-NEXT: 61: 8b 83 10 00 00 00 movl 16(%ebx), %eax
52 // CHECK-NEXT: 67: e8 c4 ff ff ff calll 0x30 <.plt+0x20>
53 // CHECK-NEXT: 6c: e9 b1 ff ff ff jmp 0x22 <.plt+0x12>
54 // CHECK-NEXT: 71: 68 08 00 00 00 pushl $8
55 // CHECK-NEXT: 76: e9 95 ff ff ff jmp 0x10 <.plt>
56 // CHECK-NEXT: 7b: cc int3
57 // CHECK-NEXT: 7c: cc int3
58 // CHECK-NEXT: 7d: cc int3
59 // CHECK-NEXT: 7e: cc int3
60 // CHECK-NEXT: 7f: cc int3
62 .global _start
63 _start:
64 jmp bar@PLT
65 jmp zed@PLT