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1; RUN: llc -mtriple=bpfel -mcpu=v3 -filetype=obj -o %t1 %s2; RUN: llvm-objcopy --dump-section='.BTF'=%t2 %t13; RUN: %python %p/print_btf.py %t2 | FileCheck -check-prefixes=CHECK-BTF %s4;5; Source code:6; struct key_type {7; int a1;8; };9; typedef struct map_type {10; struct key_ptr key;11; } _map_type;12; typedef _map_type __map_type;13; __map_type __attribute__((section(".maps"))) hash_map;14; Compilation flag:15; clang -target bpf -O2 -g -S -emit-llvm t2.c16 17%struct.map_type = type { ptr }18%struct.key_type = type { i32 }19 20@hash_map = dso_local local_unnamed_addr global %struct.map_type zeroinitializer, section ".maps", align 8, !dbg !021 22; CHECK-BTF: [1] PTR '(anon)' type_id=223; CHECK-BTF-NEXT: [2] STRUCT 'key_type' size=4 vlen=124; CHECK-BTF-NEXT: 'a1' type_id=3 bits_offset=025; CHECK-BTF-NEXT: [3] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED26; CHECK-BTF-NEXT: [4] STRUCT 'map_type' size=8 vlen=127; CHECK-BTF-NEXT: 'key' type_id=1 bits_offset=028; CHECK-BTF-NEXT: [5] TYPEDEF '_map_type' type_id=429; CHECK-BTF-NEXT: [6] TYPEDEF '__map_type' type_id=530; CHECK-BTF-NEXT: [7] VAR 'hash_map' type_id=6, linkage=global31; CHECK-BTF-NEXT: [8] DATASEC '.maps' size=0 vlen=132; CHECK-BTF-NEXT: type_id=7 offset=0 size=833 34!llvm.dbg.cu = !{!2}35!llvm.module.flags = !{!16, !17, !18}36!llvm.ident = !{!19}37 38!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())39!1 = distinct !DIGlobalVariable(name: "hash_map", scope: !2, file: !3, line: 8, type: !6, isLocal: false, isDefinition: true)40!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 11.0.0 (https://github.com/llvm/llvm-project.git b8409c03ed90807f3d49c7d98dceea98cf461f7a)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None)41!3 = !DIFile(filename: "t2.c", directory: "/tmp/home/yhs/tmp1")42!4 = !{}43!5 = !{!0}44!6 = !DIDerivedType(tag: DW_TAG_typedef, name: "__map_type", file: !3, line: 7, baseType: !7)45!7 = !DIDerivedType(tag: DW_TAG_typedef, name: "_map_type", file: !3, line: 6, baseType: !8)46!8 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "map_type", file: !3, line: 4, size: 64, elements: !9)47!9 = !{!10}48!10 = !DIDerivedType(tag: DW_TAG_member, name: "key", scope: !8, file: !3, line: 5, baseType: !11, size: 64)49!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)50!12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "key_type", file: !3, line: 1, size: 32, elements: !13)51!13 = !{!14}52!14 = !DIDerivedType(tag: DW_TAG_member, name: "a1", scope: !12, file: !3, line: 2, baseType: !15, size: 32)53!15 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)54!16 = !{i32 7, !"Dwarf Version", i32 4}55!17 = !{i32 2, !"Debug Info Version", i32 3}56!18 = !{i32 1, !"wchar_size", i32 4}57!19 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git b8409c03ed90807f3d49c7d98dceea98cf461f7a)"}58