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; 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, ptr, ptr }
%"struct map_internal_repr_t.0" = type { ptr, ptr }
%"string[2]_string[2]__tuple_t" = type { [2 x i8], [2 x i8] }
@LICENSE = global [4 x i8] c"GPL\00", section "license", !dbg !0
@AT_x = dso_local global %"struct map_internal_repr_t" zeroinitializer, section ".maps", !dbg !7
@ringbuf = dso_local global %"struct map_internal_repr_t.0" zeroinitializer, section ".maps", !dbg !34
@__bt__event_loss_counter = dso_local externally_initialized global [1 x [1 x i64]] zeroinitializer, section ".data.event_loss_counter", !dbg !48
@__bt__max_cpu_id = dso_local externally_initialized constant i64 0, section ".rodata", !dbg !52
@a = global [2 x i8] c"a\00"
@b = global [2 x i8] c"b\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 !58 {
entry:
%"@x_val" = alloca i64, align 8
%tuple = alloca %"string[2]_string[2]__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 4, i1 false)
%1 = getelementptr %"string[2]_string[2]__tuple_t", ptr %tuple, i32 0, i32 0
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %1, ptr align 1 @a, i64 2, i1 false)
%2 = getelementptr %"string[2]_string[2]__tuple_t", ptr %tuple, i32 0, i32 1
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %2, ptr align 1 @b, i64 2, i1 false)
call void @llvm.lifetime.start.p0(i64 -1, ptr %"@x_val")
store i64 44, ptr %"@x_val", align 8
%update_elem = call i64 inttoptr (i64 2 to ptr)(ptr @AT_x, ptr %tuple, ptr %"@x_val", i64 0)
call void @llvm.lifetime.end.p0(i64 -1, ptr %"@x_val")
call void @llvm.lifetime.end.p0(i64 -1, ptr %tuple)
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 = !{!54}
!llvm.module.flags = !{!56, !57}
!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: "AT_x", linkageName: "global", scope: !2, file: !2, type: !9, isLocal: false, isDefinition: true)
!9 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 256, elements: !10)
!10 = !{!11, !17, !22, !31}
!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: 32, elements: !15)
!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!15 = !{!16}
!16 = !DISubrange(count: 1, 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: 131072, elements: !20)
!20 = !{!21}
!21 = !DISubrange(count: 4096, lowerBound: 0)
!22 = !DIDerivedType(tag: DW_TAG_member, name: "key", scope: !2, file: !2, baseType: !23, size: 64, offset: 128)
!23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !24, size: 64)
!24 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 32, elements: !25)
!25 = !{!26, !30}
!26 = !DIDerivedType(tag: DW_TAG_member, scope: !2, file: !2, baseType: !27, size: 16)
!27 = !DICompositeType(tag: DW_TAG_array_type, baseType: !4, size: 16, elements: !28)
!28 = !{!29}
!29 = !DISubrange(count: 2, lowerBound: 0)
!30 = !DIDerivedType(tag: DW_TAG_member, scope: !2, file: !2, baseType: !27, size: 16, offset: 16)
!31 = !DIDerivedType(tag: DW_TAG_member, name: "value", scope: !2, file: !2, baseType: !32, size: 64, offset: 192)
!32 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !33, size: 64)
!33 = !DIBasicType(name: "int64", size: 64, encoding: DW_ATE_signed)
!34 = !DIGlobalVariableExpression(var: !35, expr: !DIExpression())
!35 = distinct !DIGlobalVariable(name: "ringbuf", linkageName: "global", scope: !2, file: !2, type: !36, isLocal: false, isDefinition: true)
!36 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 128, elements: !37)
!37 = !{!38, !43}
!38 = !DIDerivedType(tag: DW_TAG_member, name: "type", scope: !2, file: !2, baseType: !39, size: 64)
!39 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !40, size: 64)
!40 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 864, elements: !41)
!41 = !{!42}
!42 = !DISubrange(count: 27, lowerBound: 0)
!43 = !DIDerivedType(tag: DW_TAG_member, name: "max_entries", scope: !2, file: !2, baseType: !44, size: 64, offset: 64)
!44 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !45, size: 64)
!45 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 8388608, elements: !46)
!46 = !{!47}
!47 = !DISubrange(count: 262144, lowerBound: 0)
!48 = !DIGlobalVariableExpression(var: !49, expr: !DIExpression())
!49 = distinct !DIGlobalVariable(name: "__bt__event_loss_counter", linkageName: "global", scope: !2, file: !2, type: !50, isLocal: false, isDefinition: true)
!50 = !DICompositeType(tag: DW_TAG_array_type, baseType: !51, size: 64, elements: !15)
!51 = !DICompositeType(tag: DW_TAG_array_type, baseType: !33, size: 64, elements: !15)
!52 = !DIGlobalVariableExpression(var: !53, expr: !DIExpression())
!53 = distinct !DIGlobalVariable(name: "__bt__max_cpu_id", linkageName: "global", scope: !2, file: !2, type: !33, isLocal: false, isDefinition: true)
!54 = distinct !DICompileUnit(language: DW_LANG_C, file: !2, producer: "bpftrace", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, globals: !55)
!55 = !{!0, !7, !34, !48, !52}
!56 = !{i32 2, !"Debug Info Version", i32 3}
!57 = !{i32 7, !"uwtable", i32 0}
!58 = distinct !DISubprogram(name: "kprobe_f_1", linkageName: "kprobe_f_1", scope: !2, file: !2, type: !59, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !54, retainedNodes: !62)
!59 = !DISubroutineType(types: !60)
!60 = !{!33, !61}
!61 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64)
!62 = !{!63}
!63 = !DILocalVariable(name: "ctx", arg: 1, scope: !58, file: !2, type: !61)
|
