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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
; ModuleID = 'bpftrace'
source_filename = "bpftrace"
target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128"
target triple = "bpf"
%"struct map_internal_repr_t" = type { ptr, ptr }
%"int64_(string[13],int64)__tuple_t" = type { i64, %"string[13]_int64__tuple_t" }
%"string[13]_int64__tuple_t" = type { [13 x i8], i64 }
%"int64_(string[3],int64)__tuple_t" = type { i64, %"string[3]_int64__tuple_t" }
%"string[3]_int64__tuple_t" = type { [3 x i8], i64 }
@LICENSE = global [4 x i8] c"GPL\00", section "license", !dbg !0
@ringbuf = dso_local global %"struct map_internal_repr_t" zeroinitializer, section ".maps", !dbg !7
@__bt__event_loss_counter = dso_local externally_initialized global [1 x [1 x i64]] zeroinitializer, section ".data.event_loss_counter", !dbg !22
@__bt__max_cpu_id = dso_local externally_initialized constant i64 0, section ".rodata", !dbg !29
@hi = global [3 x i8] c"hi\00"
@hellolongstr = global [13 x i8] c"hellolongstr\00"
; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64 %0, i64 %1) #0
; Function Attrs: nounwind
define i64 @kprobe_f_1(ptr %0) #0 section "s_kprobe_f_1" !dbg !35 {
entry:
%tuple3 = alloca %"int64_(string[13],int64)__tuple_t", align 8
%tuple2 = alloca %"string[13]_int64__tuple_t", align 8
%"$t" = alloca %"int64_(string[13],int64)__tuple_t", align 8
call void @llvm.lifetime.start.p0(i64 -1, ptr %"$t")
call void @llvm.memset.p0.i64(ptr align 1 %"$t", i8 0, i64 32, i1 false)
%tuple1 = alloca %"int64_(string[3],int64)__tuple_t", align 8
%tuple = alloca %"string[3]_int64__tuple_t", align 8
call void @llvm.lifetime.start.p0(i64 -1, ptr %tuple)
call void @llvm.memset.p0.i64(ptr align 1 %tuple, i8 0, i64 16, i1 false)
%1 = getelementptr %"string[3]_int64__tuple_t", ptr %tuple, i32 0, i32 0
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %1, ptr align 1 @hi, i64 3, i1 false)
%2 = getelementptr %"string[3]_int64__tuple_t", ptr %tuple, i32 0, i32 1
store i64 3, ptr %2, align 8
call void @llvm.lifetime.start.p0(i64 -1, ptr %tuple1)
call void @llvm.memset.p0.i64(ptr align 1 %tuple1, i8 0, i64 24, i1 false)
%3 = getelementptr %"int64_(string[3],int64)__tuple_t", ptr %tuple1, i32 0, i32 0
store i64 1, ptr %3, align 8
%4 = getelementptr %"int64_(string[3],int64)__tuple_t", ptr %tuple1, i32 0, i32 1
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %4, ptr align 1 %tuple, i64 16, i1 false)
call void @llvm.lifetime.end.p0(i64 -1, ptr %tuple)
call void @llvm.memset.p0.i64(ptr align 1 %"$t", i8 0, i64 32, i1 false)
%5 = getelementptr [24 x i8], ptr %tuple1, i64 0, i64 0
%6 = getelementptr %"int64_(string[13],int64)__tuple_t", ptr %"$t", i32 0, i32 0
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %6, ptr align 1 %5, i64 8, i1 false)
%7 = getelementptr [24 x i8], ptr %tuple1, i64 0, i64 8
%8 = getelementptr %"int64_(string[13],int64)__tuple_t", ptr %"$t", i32 0, i32 1
%9 = getelementptr [16 x i8], ptr %7, i64 0, i64 0
%10 = getelementptr %"string[13]_int64__tuple_t", ptr %8, i32 0, i32 0
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %10, ptr align 1 %9, i64 3, i1 false)
%11 = getelementptr [16 x i8], ptr %7, i64 0, i64 8
%12 = getelementptr %"string[13]_int64__tuple_t", ptr %8, i32 0, i32 1
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %12, ptr align 1 %11, i64 8, i1 false)
call void @llvm.lifetime.end.p0(i64 -1, ptr %tuple1)
call void @llvm.lifetime.start.p0(i64 -1, ptr %tuple2)
call void @llvm.memset.p0.i64(ptr align 1 %tuple2, i8 0, i64 24, i1 false)
%13 = getelementptr %"string[13]_int64__tuple_t", ptr %tuple2, i32 0, i32 0
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %13, ptr align 1 @hellolongstr, i64 13, i1 false)
%14 = getelementptr %"string[13]_int64__tuple_t", ptr %tuple2, i32 0, i32 1
store i64 4, ptr %14, align 8
call void @llvm.lifetime.start.p0(i64 -1, ptr %tuple3)
call void @llvm.memset.p0.i64(ptr align 1 %tuple3, i8 0, i64 32, i1 false)
%15 = getelementptr %"int64_(string[13],int64)__tuple_t", ptr %tuple3, i32 0, i32 0
store i64 1, ptr %15, align 8
%16 = getelementptr %"int64_(string[13],int64)__tuple_t", ptr %tuple3, i32 0, i32 1
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %16, ptr align 1 %tuple2, i64 24, i1 false)
call void @llvm.lifetime.end.p0(i64 -1, ptr %tuple2)
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %"$t", ptr align 1 %tuple3, i64 32, i1 false)
call void @llvm.lifetime.end.p0(i64 -1, ptr %tuple3)
ret i64 0
}
; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg %0, ptr nocapture %1) #1
; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly %0, i8 %1, i64 %2, i1 immarg %3) #2
; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly %0, ptr noalias nocapture readonly %1, i64 %2, i1 immarg %3) #3
; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg %0, ptr nocapture %1) #1
attributes #0 = { nounwind }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
!llvm.dbg.cu = !{!31}
!llvm.module.flags = !{!33, !34}
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "LICENSE", linkageName: "global", scope: !2, file: !2, type: !3, isLocal: false, isDefinition: true)
!2 = !DIFile(filename: "bpftrace.bpf.o", directory: ".")
!3 = !DICompositeType(tag: DW_TAG_array_type, baseType: !4, size: 32, elements: !5)
!4 = !DIBasicType(name: "int8", size: 8, encoding: DW_ATE_signed)
!5 = !{!6}
!6 = !DISubrange(count: 4, lowerBound: 0)
!7 = !DIGlobalVariableExpression(var: !8, expr: !DIExpression())
!8 = distinct !DIGlobalVariable(name: "ringbuf", linkageName: "global", scope: !2, file: !2, type: !9, isLocal: false, isDefinition: true)
!9 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 128, elements: !10)
!10 = !{!11, !17}
!11 = !DIDerivedType(tag: DW_TAG_member, name: "type", scope: !2, file: !2, baseType: !12, size: 64)
!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 64)
!13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 864, elements: !15)
!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!15 = !{!16}
!16 = !DISubrange(count: 27, lowerBound: 0)
!17 = !DIDerivedType(tag: DW_TAG_member, name: "max_entries", scope: !2, file: !2, baseType: !18, size: 64, offset: 64)
!18 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !19, size: 64)
!19 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 8388608, elements: !20)
!20 = !{!21}
!21 = !DISubrange(count: 262144, lowerBound: 0)
!22 = !DIGlobalVariableExpression(var: !23, expr: !DIExpression())
!23 = distinct !DIGlobalVariable(name: "__bt__event_loss_counter", linkageName: "global", scope: !2, file: !2, type: !24, isLocal: false, isDefinition: true)
!24 = !DICompositeType(tag: DW_TAG_array_type, baseType: !25, size: 64, elements: !27)
!25 = !DICompositeType(tag: DW_TAG_array_type, baseType: !26, size: 64, elements: !27)
!26 = !DIBasicType(name: "int64", size: 64, encoding: DW_ATE_signed)
!27 = !{!28}
!28 = !DISubrange(count: 1, lowerBound: 0)
!29 = !DIGlobalVariableExpression(var: !30, expr: !DIExpression())
!30 = distinct !DIGlobalVariable(name: "__bt__max_cpu_id", linkageName: "global", scope: !2, file: !2, type: !26, isLocal: false, isDefinition: true)
!31 = distinct !DICompileUnit(language: DW_LANG_C, file: !2, producer: "bpftrace", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, globals: !32)
!32 = !{!0, !7, !22, !29}
!33 = !{i32 2, !"Debug Info Version", i32 3}
!34 = !{i32 7, !"uwtable", i32 0}
!35 = distinct !DISubprogram(name: "kprobe_f_1", linkageName: "kprobe_f_1", scope: !2, file: !2, type: !36, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !31, retainedNodes: !39)
!36 = !DISubroutineType(types: !37)
!37 = !{!26, !38}
!38 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64)
!39 = !{!40}
!40 = !DILocalVariable(name: "ctx", arg: 1, scope: !35, file: !2, type: !38)
|
