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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, ptr, ptr }
%"struct map_internal_repr_t.1" = type { ptr, ptr }
%"string[4]_int64__tuple_t" = type { [4 x i8], i64 }
%"string[8]_int64__tuple_t" = type { [8 x i8], i64 }
@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
@AT_y = dso_local global %"struct map_internal_repr_t.0" zeroinitializer, section ".maps", !dbg !30
@ringbuf = dso_local global %"struct map_internal_repr_t.1" zeroinitializer, section ".maps", !dbg !32
@__bt__max_cpu_id = dso_local externally_initialized constant i64 0, section ".rodata", !dbg !46
@__bt__event_loss_counter = dso_local externally_initialized global [1 x [1 x i64]] zeroinitializer, section ".data.event_loss_counter", !dbg !48
@__bt__map_key_buf = dso_local externally_initialized global [1 x [4 x [8 x i8]]] zeroinitializer, section ".data.map_key_buf", !dbg !52
@__bt__write_map_val_buf = dso_local externally_initialized global [1 x [1 x [16 x i8]]] zeroinitializer, section ".data.write_map_val_buf", !dbg !56
@__bt__read_map_val_buf = dso_local externally_initialized global [1 x [1 x [16 x i8]]] zeroinitializer, section ".data.read_map_val_buf", !dbg !63
@__bt__tuple_buf = dso_local externally_initialized global [1 x [2 x [16 x i8]]] zeroinitializer, section ".data.tuple_buf", !dbg !65
@xxx = global [4 x i8] c"xxx\00"
@xxxxxxx = global [8 x i8] c"xxxxxxx\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 !75 {
entry:
%get_cpu_id = call i64 inttoptr (i64 8 to ptr)() #3
%1 = load i64, ptr @__bt__max_cpu_id, align 8
%cpu.id.bounded = and i64 %get_cpu_id, %1
%2 = getelementptr [1 x [2 x [16 x i8]]], ptr @__bt__tuple_buf, i64 0, i64 %cpu.id.bounded, i64 0, i64 0
call void @llvm.memset.p0.i64(ptr align 1 %2, i8 0, i64 16, i1 false)
%3 = getelementptr %"string[4]_int64__tuple_t", ptr %2, i32 0, i32 0
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %3, ptr align 1 @xxx, i64 4, i1 false)
%4 = getelementptr %"string[4]_int64__tuple_t", ptr %2, i32 0, i32 1
store i64 1, ptr %4, align 8
%get_cpu_id1 = call i64 inttoptr (i64 8 to ptr)() #3
%5 = load i64, ptr @__bt__max_cpu_id, align 8
%cpu.id.bounded2 = and i64 %get_cpu_id1, %5
%6 = getelementptr [1 x [4 x [8 x i8]]], ptr @__bt__map_key_buf, i64 0, i64 %cpu.id.bounded2, i64 0, i64 0
store i64 0, ptr %6, align 8
%get_cpu_id3 = call i64 inttoptr (i64 8 to ptr)() #3
%7 = load i64, ptr @__bt__max_cpu_id, align 8
%cpu.id.bounded4 = and i64 %get_cpu_id3, %7
%8 = getelementptr [1 x [1 x [16 x i8]]], ptr @__bt__write_map_val_buf, i64 0, i64 %cpu.id.bounded4, i64 0, i64 0
call void @llvm.memset.p0.i64(ptr align 1 %8, i8 0, i64 16, i1 false)
%9 = getelementptr [16 x i8], ptr %2, i64 0, i64 0
%10 = getelementptr %"string[8]_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 4, i1 false)
%11 = getelementptr [16 x i8], ptr %2, i64 0, i64 8
%12 = getelementptr %"string[8]_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)
%update_elem = call i64 inttoptr (i64 2 to ptr)(ptr @AT_x, ptr %6, ptr %8, i64 0)
%get_cpu_id5 = call i64 inttoptr (i64 8 to ptr)() #3
%13 = load i64, ptr @__bt__max_cpu_id, align 8
%cpu.id.bounded6 = and i64 %get_cpu_id5, %13
%14 = getelementptr [1 x [2 x [16 x i8]]], ptr @__bt__tuple_buf, i64 0, i64 %cpu.id.bounded6, i64 1, i64 0
call void @llvm.memset.p0.i64(ptr align 1 %14, i8 0, i64 16, i1 false)
%15 = getelementptr %"string[8]_int64__tuple_t", ptr %14, i32 0, i32 0
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %15, ptr align 1 @xxxxxxx, i64 8, i1 false)
%16 = getelementptr %"string[8]_int64__tuple_t", ptr %14, i32 0, i32 1
store i64 1, ptr %16, align 8
%get_cpu_id7 = call i64 inttoptr (i64 8 to ptr)() #3
%17 = load i64, ptr @__bt__max_cpu_id, align 8
%cpu.id.bounded8 = and i64 %get_cpu_id7, %17
%18 = getelementptr [1 x [4 x [8 x i8]]], ptr @__bt__map_key_buf, i64 0, i64 %cpu.id.bounded8, i64 1, i64 0
store i64 0, ptr %18, align 8
%update_elem9 = call i64 inttoptr (i64 2 to ptr)(ptr @AT_x, ptr %18, ptr %14, i64 0)
%get_cpu_id10 = call i64 inttoptr (i64 8 to ptr)() #3
%19 = load i64, ptr @__bt__max_cpu_id, align 8
%cpu.id.bounded11 = and i64 %get_cpu_id10, %19
%20 = getelementptr [1 x [4 x [8 x i8]]], ptr @__bt__map_key_buf, i64 0, i64 %cpu.id.bounded11, i64 2, i64 0
store i64 0, ptr %20, align 8
%lookup_elem = call ptr inttoptr (i64 1 to ptr)(ptr @AT_x, ptr %20)
%get_cpu_id12 = call i64 inttoptr (i64 8 to ptr)() #3
%21 = load i64, ptr @__bt__max_cpu_id, align 8
%cpu.id.bounded13 = and i64 %get_cpu_id12, %21
%22 = getelementptr [1 x [1 x [16 x i8]]], ptr @__bt__read_map_val_buf, i64 0, i64 %cpu.id.bounded13, i64 0, i64 0
%map_lookup_cond = icmp ne ptr %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_success, label %lookup_failure
lookup_success: ; preds = %entry
call void @llvm.memcpy.p0.p0.i64(ptr align 1 %22, ptr align 1 %lookup_elem, i64 16, i1 false)
br label %lookup_merge
lookup_failure: ; preds = %entry
call void @llvm.memset.p0.i64(ptr align 1 %22, i8 0, i64 16, i1 false)
br label %lookup_merge
lookup_merge: ; preds = %lookup_failure, %lookup_success
%get_cpu_id14 = call i64 inttoptr (i64 8 to ptr)() #3
%23 = load i64, ptr @__bt__max_cpu_id, align 8
%cpu.id.bounded15 = and i64 %get_cpu_id14, %23
%24 = getelementptr [1 x [4 x [8 x i8]]], ptr @__bt__map_key_buf, i64 0, i64 %cpu.id.bounded15, i64 3, i64 0
store i64 0, ptr %24, align 8
%update_elem16 = call i64 inttoptr (i64 2 to ptr)(ptr @AT_y, ptr %24, ptr %22, i64 0)
ret i64 0
}
; 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) #1
; 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) #2
attributes #0 = { nounwind }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { memory(none) }
!llvm.dbg.cu = !{!71}
!llvm.module.flags = !{!73, !74}
!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, !18, !21}
!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: !12, size: 64, offset: 64)
!18 = !DIDerivedType(tag: DW_TAG_member, name: "key", scope: !2, file: !2, baseType: !19, size: 64, offset: 128)
!19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)
!20 = !DIBasicType(name: "int64", size: 64, encoding: DW_ATE_signed)
!21 = !DIDerivedType(tag: DW_TAG_member, name: "value", scope: !2, file: !2, baseType: !22, size: 64, offset: 192)
!22 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !23, size: 64)
!23 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 128, elements: !24)
!24 = !{!25, !29}
!25 = !DIDerivedType(tag: DW_TAG_member, scope: !2, file: !2, baseType: !26, size: 64)
!26 = !DICompositeType(tag: DW_TAG_array_type, baseType: !4, size: 64, elements: !27)
!27 = !{!28}
!28 = !DISubrange(count: 8, lowerBound: 0)
!29 = !DIDerivedType(tag: DW_TAG_member, scope: !2, file: !2, baseType: !20, size: 64, offset: 64)
!30 = !DIGlobalVariableExpression(var: !31, expr: !DIExpression())
!31 = distinct !DIGlobalVariable(name: "AT_y", linkageName: "global", scope: !2, file: !2, type: !9, isLocal: false, isDefinition: true)
!32 = !DIGlobalVariableExpression(var: !33, expr: !DIExpression())
!33 = distinct !DIGlobalVariable(name: "ringbuf", linkageName: "global", scope: !2, file: !2, type: !34, isLocal: false, isDefinition: true)
!34 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 128, elements: !35)
!35 = !{!36, !41}
!36 = !DIDerivedType(tag: DW_TAG_member, name: "type", scope: !2, file: !2, baseType: !37, size: 64)
!37 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !38, size: 64)
!38 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 864, elements: !39)
!39 = !{!40}
!40 = !DISubrange(count: 27, lowerBound: 0)
!41 = !DIDerivedType(tag: DW_TAG_member, name: "max_entries", scope: !2, file: !2, baseType: !42, size: 64, offset: 64)
!42 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !43, size: 64)
!43 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 8388608, elements: !44)
!44 = !{!45}
!45 = !DISubrange(count: 262144, lowerBound: 0)
!46 = !DIGlobalVariableExpression(var: !47, expr: !DIExpression())
!47 = distinct !DIGlobalVariable(name: "__bt__max_cpu_id", linkageName: "global", scope: !2, file: !2, type: !20, isLocal: false, isDefinition: true)
!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: !20, size: 64, elements: !15)
!52 = !DIGlobalVariableExpression(var: !53, expr: !DIExpression())
!53 = distinct !DIGlobalVariable(name: "__bt__map_key_buf", linkageName: "global", scope: !2, file: !2, type: !54, isLocal: false, isDefinition: true)
!54 = !DICompositeType(tag: DW_TAG_array_type, baseType: !55, size: 256, elements: !15)
!55 = !DICompositeType(tag: DW_TAG_array_type, baseType: !26, size: 256, elements: !5)
!56 = !DIGlobalVariableExpression(var: !57, expr: !DIExpression())
!57 = distinct !DIGlobalVariable(name: "__bt__write_map_val_buf", linkageName: "global", scope: !2, file: !2, type: !58, isLocal: false, isDefinition: true)
!58 = !DICompositeType(tag: DW_TAG_array_type, baseType: !59, size: 128, elements: !15)
!59 = !DICompositeType(tag: DW_TAG_array_type, baseType: !60, size: 128, elements: !15)
!60 = !DICompositeType(tag: DW_TAG_array_type, baseType: !4, size: 128, elements: !61)
!61 = !{!62}
!62 = !DISubrange(count: 16, lowerBound: 0)
!63 = !DIGlobalVariableExpression(var: !64, expr: !DIExpression())
!64 = distinct !DIGlobalVariable(name: "__bt__read_map_val_buf", linkageName: "global", scope: !2, file: !2, type: !58, isLocal: false, isDefinition: true)
!65 = !DIGlobalVariableExpression(var: !66, expr: !DIExpression())
!66 = distinct !DIGlobalVariable(name: "__bt__tuple_buf", linkageName: "global", scope: !2, file: !2, type: !67, isLocal: false, isDefinition: true)
!67 = !DICompositeType(tag: DW_TAG_array_type, baseType: !68, size: 256, elements: !15)
!68 = !DICompositeType(tag: DW_TAG_array_type, baseType: !60, size: 256, elements: !69)
!69 = !{!70}
!70 = !DISubrange(count: 2, lowerBound: 0)
!71 = distinct !DICompileUnit(language: DW_LANG_C, file: !2, producer: "bpftrace", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, globals: !72)
!72 = !{!0, !7, !30, !32, !46, !48, !52, !56, !63, !65}
!73 = !{i32 2, !"Debug Info Version", i32 3}
!74 = !{i32 7, !"uwtable", i32 0}
!75 = distinct !DISubprogram(name: "kprobe_f_1", linkageName: "kprobe_f_1", scope: !2, file: !2, type: !76, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !71, retainedNodes: !79)
!76 = !DISubroutineType(types: !77)
!77 = !{!20, !78}
!78 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64)
!79 = !{!80}
!80 = !DILocalVariable(name: "ctx", arg: 1, scope: !75, file: !2, type: !78)
|
