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1; RUN: llc -mtriple=bpfel -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; RUN: llc -mtriple=bpfeb -filetype=obj -o %t1 %s5; RUN: llvm-objcopy --dump-section='.BTF'=%t2 %t16; RUN: %python %p/print_btf.py %t2 | FileCheck -check-prefixes=CHECK-BTF %s7;8; Source:9; #![no_std]10; #![no_main]11;12; pub struct MyType {13; ptr: *const u32,14; }15;16; impl MyType {17; pub const fn new() -> Self {18; let ptr = core::ptr::null();19; Self { ptr }20; }21; }22;23; unsafe impl Sync for MyType {}24;25; #[unsafe(no_mangle)]26; pub static X: MyType = MyType::new();27;28; #[cfg(not(test))]29; #[panic_handler]30; fn panic(_info: &core::panic::PanicInfo) -> ! {31; loop {}32; }33; Compilation flag:34; cargo +nightly rustc -Zbuild-std=core --target=bpfel-unknown-none -- --emit=llvm-bc35; llvm-extract --glob=X $(find target/ -name "*.bc" | head -n 1) -o ptr-named.bc36; llvm-dis ptr-named.bc -o ptr-named.ll37 38; ModuleID = 'ptr-named.bc'39source_filename = "1m2uqe50qkwxmo53ydydvou91"40target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128"41target triple = "bpfel"42 43@X = constant [8 x i8] zeroinitializer, align 8, !dbg !044 45!llvm.module.flags = !{!11, !12, !13, !14}46!llvm.ident = !{!15}47!llvm.dbg.cu = !{!16}48 49; CHECK-BTF: [1] STRUCT 'MyType' size=8 vlen=150; CHECK-BTF-NEXT: 'ptr' type_id=2 bits_offset=051; CHECK-BTF-NEXT: [2] PTR '(anon)' type_id=352; CHECK-BTF-NEXT: [3] INT 'u32' size=4 bits_offset=0 nr_bits=32 encoding=(none)53; CHECK-BTF-NEXT: [4] VAR 'X' type_id=1, linkage=global54; CHECK-BTF-NEXT: [5] DATASEC '.rodata' size=0 vlen=155; CHECK-BTF-NEXT: type_id=4 offset=0 size=856 57!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())58!1 = distinct !DIGlobalVariable(name: "X", scope: !2, file: !3, line: 19, type: !4, isLocal: false, isDefinition: true, align: 64)59!2 = !DINamespace(name: "ptr_named", scope: null)60!3 = !DIFile(filename: "ptr-named/src/main.rs", directory: "/tmp/ptr-named", checksumkind: CSK_MD5, checksum: "e37168304600b30cbb5ba168f0384932")61!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "MyType", scope: !2, file: !5, size: 64, align: 64, flags: DIFlagPublic, elements: !6, templateParams: !10, identifier: "7609fa40332dd486922f074276a171c3")62!5 = !DIFile(filename: "<unknown>", directory: "")63!6 = !{!7}64!7 = !DIDerivedType(tag: DW_TAG_member, name: "ptr", scope: !4, file: !5, baseType: !8, size: 64, align: 64, flags: DIFlagPrivate)65!8 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "*const u32", baseType: !9, size: 64, align: 64, dwarfAddressSpace: 0)66!9 = !DIBasicType(name: "u32", size: 32, encoding: DW_ATE_unsigned)67!10 = !{}68!11 = !{i32 8, !"PIC Level", i32 2}69!12 = !{i32 7, !"PIE Level", i32 2}70!13 = !{i32 7, !"Dwarf Version", i32 4}71!14 = !{i32 2, !"Debug Info Version", i32 3}72!15 = !{!"rustc version 1.92.0-nightly (c8905eaa6 2025-09-28)"}73!16 = distinct !DICompileUnit(language: DW_LANG_Rust, file: !17, producer: "clang LLVM (rustc version 1.92.0-nightly (c8905eaa6 2025-09-28))", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !18, splitDebugInlining: false, nameTableKind: None)74!17 = !DIFile(filename: "ptr-named/src/main.rs/@/1m2uqe50qkwxmo53ydydvou91", directory: "/tmp/ptr-named")75!18 = !{!0}76