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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
| // RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t
// RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=NODISASM
// The exact rules of skipping the bytes you can find in the code.
// This test checks that we follow these rules and can force
// dissasembly of zero blocks with the -z and --disassemble-zeroes options.
// NODISASM: 0000000000000000 main:
// NODISASM-NEXT: 0: 00 00 addb %al, (%rax)
// NODISASM-NEXT: 2: 00 00 addb %al, (%rax)
// NODISASM-NEXT: 4: 00 00 addb %al, (%rax)
// NODISASM-NEXT: 6: 00 90 00 00 00 00 addb %dl, (%rax)
// NODISASM-NEXT: ...
// NODISASM-NEXT: 20: 90 nop
// NODISASM-NEXT: ...
// NODISASM: 0000000000000031 foo:
// NODISASM-NEXT: 31: 00 00 addb %al, (%rax)
// NODISASM-NEXT: 33: 00 00 addb %al, (%rax)
// NODISASM: 0000000000000035 bar:
// NODISASM-NEXT: ...
// Check that with -z we disassemble blocks of zeroes.
// RUN: llvm-objdump -d -z %t | FileCheck %s --check-prefix=DISASM
// DISASM: 0000000000000000 main:
// DISASM-NEXT: 0: 00 00 addb %al, (%rax)
// DISASM-NEXT: 2: 00 00 addb %al, (%rax)
// DISASM-NEXT: 4: 00 00 addb %al, (%rax)
// DISASM-NEXT: 6: 00 90 00 00 00 00 addb %dl, (%rax)
// DISASM-NEXT: c: 00 00 addb %al, (%rax)
// DISASM-NEXT: e: 00 00 addb %al, (%rax)
// DISASM-NEXT: 10: 00 00 addb %al, (%rax)
// DISASM-NEXT: 12: 00 00 addb %al, (%rax)
// DISASM-NEXT: 14: 00 00 addb %al, (%rax)
// DISASM-NEXT: 16: 00 00 addb %al, (%rax)
// DISASM-NEXT: 18: 00 00 addb %al, (%rax)
// DISASM-NEXT: 1a: 00 00 addb %al, (%rax)
// DISASM-NEXT: 1c: 00 00 addb %al, (%rax)
// DISASM-NEXT: 1e: 00 00 addb %al, (%rax)
// DISASM-NEXT: 20: 90 nop
// DISASM-NEXT: 21: 00 00 addb %al, (%rax)
// DISASM-NEXT: 23: 00 00 addb %al, (%rax)
// DISASM-NEXT: 25: 00 00 addb %al, (%rax)
// DISASM-NEXT: 27: 00 00 addb %al, (%rax)
// DISASM-NEXT: 29: 00 00 addb %al, (%rax)
// DISASM-NEXT: 2b: 00 00 addb %al, (%rax)
// DISASM-NEXT: 2d: 00 00 addb %al, (%rax)
// DISASM-NEXT: 2f: 00 00 addb %al, (%rax)
// DISASM: 0000000000000031 foo:
// DISASM-NEXT: 31: 00 00 addb %al, (%rax)
// DISASM-NEXT: 33: 00 00 addb %al, (%rax)
// DISASM: 0000000000000035 bar:
// DISASM-NEXT: 35: 00 00 addb %al, (%rax)
// DISASM-NEXT: 37: 00 00 addb %al, (%rax)
// DISASM-NEXT: 39: 00 00 addb %al, (%rax)
// DISASM-NEXT: 3b: 00 00 addb %al, (%rax)
// Check that --disassemble-zeroes work as alias for -z.
// RUN: llvm-objdump -d --disassemble-zeroes %t | FileCheck %s --check-prefix=DISASM
.text
.globl main
.type main, @function
main:
.long 0
.byte 0
.byte 0
.byte 0
nop
.quad 0
.quad 0
.quad 0
nop
.quad 0
.quad 0
foo:
.long 0
bar:
.quad 0
|