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
| # REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t1.o
# RUN: ld.lld --gdb-index %t1.o -o %t
# RUN: llvm-dwarfdump -gdb-index %t | FileCheck %s
# CHECK: .gdb_index contents:
# CHECK: Address area offset = 0x28, has 2 entries:
# CHECK-NEXT: Low/High address = [0x201120, 0x201121) (Size: 0x1), CU id = 0
# CHECK-NEXT: Low/High address = [0x201123, 0x201126) (Size: 0x3), CU id = 0
.text
.globl foo
.type foo,@function
foo:
.Lfunc_begin0:
nop
.Ltmp0:
nop
nop
.Ltmp1:
nop
nop
nop
.Ltmp2:
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 0 # DW_CHILDREN_no
.byte 37 # DW_AT_producer
.byte 14 # DW_FORM_strp
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 14 # DW_FORM_strp
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 85 # DW_AT_ranges
.byte 23 # DW_FORM_sec_offset
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.Lcu_begin0:
.long 38 # Length of Unit
.short 4 # DWARF version number
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0x1f DW_TAG_compile_unit
.long 0 # DW_AT_producer
.short 4 # DW_AT_language
.long 0 # DW_AT_name
.long 0 # DW_AT_stmt_list
.long 0 # DW_AT_comp_dir
.quad .Lfunc_begin0 # DW_AT_low_pc
.long .Ldebug_ranges0 # DW_AT_ranges
.section .debug_ranges,"",@progbits
.Ldebug_ranges0:
.quad .Lfunc_begin0-.Lfunc_begin0
.quad .Ltmp0-.Lfunc_begin0
.quad .Ltmp1-.Lfunc_begin0
.quad .Ltmp2-.Lfunc_begin0
.quad 0
.quad 0
|