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
80
81
82
83
84
85
86
87
88
89
90
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin10.0 %s | llvm-objdump -unwind-info - | FileCheck %s
.section __TEXT,__text,regular,pure_instructions
.macosx_version_min 10, 10
# Check that we emit compact-unwind info with UNWIND_X86_MODE_STACK_IND encoding
# CHECK: Contents of __compact_unwind section:
# CHECK-NEXT: Entry at offset 0x0:
# CHECK-NEXT: start: 0x0 _test0
# CHECK-NEXT: length: 0x15
# CHECK-NEXT: compact encoding: 0x03056804
.globl _test0
_test0: ## @test0
.cfi_startproc
## %bb.0: ## %entry
pushq %rbp
Ltmp0:
.cfi_def_cfa_offset 16
pushq %rbx
Ltmp1:
.cfi_def_cfa_offset 24
subq $14408, %rsp ## imm = 0x3848
Ltmp2:
.cfi_def_cfa_offset 14432
Ltmp3:
.cfi_offset %rbx, -24
Ltmp4:
.cfi_offset %rbp, -16
xorl %eax, %eax
addq $14408, %rsp ## imm = 0x3848
popq %rbx
popq %rbp
retq
.cfi_endproc
# Check that we emit compact-unwind info with UNWIND_X86_MODE_STACK_IMMD encoding
# CHECK: Entry at offset 0x20:
# CHECK-NEXT: start: 0x15 _test1
# CHECK-NEXT: length: 0x15
# CHECK-NEXT: compact encoding: 0x02360804
.globl _test1
_test1: ## @test1
.cfi_startproc
## %bb.0: ## %entry
pushq %rbp
Ltmp10:
.cfi_def_cfa_offset 16
pushq %rbx
Ltmp11:
.cfi_def_cfa_offset 24
subq $408, %rsp ## imm = 0x198
Ltmp12:
.cfi_def_cfa_offset 432
Ltmp13:
.cfi_offset %rbx, -24
Ltmp14:
.cfi_offset %rbp, -16
xorl %eax, %eax
addq $408, %rsp ## imm = 0x198
popq %rbx
popq %rbp
retq
.cfi_endproc
# Check that a adjustment through a push %rax is the same as a sub.
# CHECK: Entry at offset 0x40:
# CHECK-NEXT: start: 0x2a _testrax
# CHECK-NEXT: length: 0x5
# CHECK-NEXT: compact encoding: 0x02020000
.globl _testrax
_testrax: ## @testrax
.cfi_startproc
## %bb.0: ## %entry
pushq %rax
Ltmp15:
.cfi_def_cfa_offset 16
xorl %eax, %eax
popq %rax
retq
.cfi_endproc
.section __TEXT,__cstring,cstring_literals
L_.str: ## @.str
.asciz "%d\n"
.subsections_via_symbols
|