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
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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 }
@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
@__bt__get_str_buf = dso_local externally_initialized global [1 x [1 x [1024 x i8]]] zeroinitializer, section ".data.get_str_buf", !dbg !31
; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64 %0, i64 %1) #0
; Function Attrs: nounwind
define i64 @fentry_mock_vmlinux_filp_close_1(ptr %0) #0 section "s_fentry_mock_vmlinux_filp_close_1" !dbg !42 {
entry:
%get_cpu_id = call i64 inttoptr (i64 8 to ptr)() #1
%1 = load i64, ptr @__bt__max_cpu_id, align 8
%cpu.id.bounded = and i64 %get_cpu_id, %1
%2 = getelementptr [1 x [1 x [1024 x i8]]], ptr @__bt__get_str_buf, i64 0, i64 %cpu.id.bounded, i64 0, i64 0
%probe_read_kernel = call i64 inttoptr (i64 113 to ptr)(ptr %2, i32 1024, ptr null)
%d_path = call i64 inttoptr (i64 147 to ptr)(ptr null, ptr %2, i32 1024)
ret i64 0
}
attributes #0 = { nounwind }
attributes #1 = { memory(none) }
!llvm.dbg.cu = !{!38}
!llvm.module.flags = !{!40, !41}
!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 = !DIGlobalVariableExpression(var: !32, expr: !DIExpression())
!32 = distinct !DIGlobalVariable(name: "__bt__get_str_buf", linkageName: "global", scope: !2, file: !2, type: !33, isLocal: false, isDefinition: true)
!33 = !DICompositeType(tag: DW_TAG_array_type, baseType: !34, size: 8192, elements: !27)
!34 = !DICompositeType(tag: DW_TAG_array_type, baseType: !35, size: 8192, elements: !27)
!35 = !DICompositeType(tag: DW_TAG_array_type, baseType: !4, size: 8192, elements: !36)
!36 = !{!37}
!37 = !DISubrange(count: 1024, lowerBound: 0)
!38 = distinct !DICompileUnit(language: DW_LANG_C, file: !2, producer: "bpftrace", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, globals: !39)
!39 = !{!0, !7, !22, !29, !31}
!40 = !{i32 2, !"Debug Info Version", i32 3}
!41 = !{i32 7, !"uwtable", i32 0}
!42 = distinct !DISubprogram(name: "fentry_mock_vmlinux_filp_close_1", linkageName: "fentry_mock_vmlinux_filp_close_1", scope: !2, file: !2, type: !43, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !38, retainedNodes: !46)
!43 = !DISubroutineType(types: !44)
!44 = !{!26, !45}
!45 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64)
!46 = !{!47}
!47 = !DILocalVariable(name: "ctx", arg: 1, scope: !42, file: !2, type: !45)
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