Index: llvm/trunk/lib/Object/RelocationResolver.cpp =================================================================== --- llvm/trunk/lib/Object/RelocationResolver.cpp +++ llvm/trunk/lib/Object/RelocationResolver.cpp @@ -90,9 +90,9 @@ static uint64_t resolveBPF(RelocationRef R, uint64_t S, uint64_t A) { switch (R.getType()) { case ELF::R_BPF_64_32: - return S & 0xFFFFFFFF; + return (S + A) & 0xFFFFFFFF; case ELF::R_BPF_64_64: - return S; + return S + A; default: llvm_unreachable("Invalid relocation type"); } Index: llvm/trunk/test/CodeGen/BPF/objdump_two_funcs.ll =================================================================== --- llvm/trunk/test/CodeGen/BPF/objdump_two_funcs.ll +++ llvm/trunk/test/CodeGen/BPF/objdump_two_funcs.ll @@ -0,0 +1,69 @@ +; RUN: llc -march=bpfel -filetype=obj -o - %s | llvm-objdump -S - | FileCheck %s +; RUN: llc -march=bpfeb -filetype=obj -o - %s | llvm-objdump -S - | FileCheck %s +; +; Source code: +; __attribute__((section("s1"))) +; int func1(int a) { +; return a * a; +; } +; __attribute__((section("s2"))) +; int func2(int a) { +; return a * a * a; +; } +; Compiler flag to generate IR: +; clang -target bpf -S -gdwarf-5 -gembed-source -emit-llvm -g -O2 bug.c + +; Function Attrs: norecurse nounwind readnone +define dso_local i32 @func1(i32 %a) local_unnamed_addr #0 section "s1" !dbg !7 { +entry: +; CHECK: func1: + call void @llvm.dbg.value(metadata i32 %a, metadata !12, metadata !DIExpression()), !dbg !13 + %mul = mul nsw i32 %a, %a, !dbg !14 + ret i32 %mul, !dbg !15 +; CHECK: ; return a * a; +} + +; Function Attrs: norecurse nounwind readnone +define dso_local i32 @func2(i32 %a) local_unnamed_addr #0 section "s2" !dbg !16 { +entry: +; CHECK: func2: + call void @llvm.dbg.value(metadata i32 %a, metadata !18, metadata !DIExpression()), !dbg !19 + %mul = mul nsw i32 %a, %a, !dbg !20 + %mul1 = mul nsw i32 %mul, %a, !dbg !21 + ret i32 %mul1, !dbg !22 +; CHECK: ; return a * a * a; +} + +; Function Attrs: nounwind readnone speculatable +declare void @llvm.dbg.value(metadata, metadata, metadata) #1 + +attributes #0 = { norecurse nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { nounwind readnone speculatable } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!3, !4, !5} +!llvm.ident = !{!6} + +!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0 (trunk 366422) (llvm/trunk 366423)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) +!1 = !DIFile(filename: "bug.c", directory: "/tmp/home/yhs/work/tests/llvm/reloc", checksumkind: CSK_MD5, checksum: "c7c9938d4e6989ca33db748213aab194", source: "__attribute__((section(\22s1\22)))\0Aint func1(int a) {\0A return a * a;\0A}\0A__attribute__((section(\22s2\22)))\0Aint func2(int a) {\0A return a * a * a;\0A}\0A") +!2 = !{} +!3 = !{i32 2, !"Dwarf Version", i32 5} +!4 = !{i32 2, !"Debug Info Version", i32 3} +!5 = !{i32 1, !"wchar_size", i32 4} +!6 = !{!"clang version 9.0.0 (trunk 366422) (llvm/trunk 366423)"} +!7 = distinct !DISubprogram(name: "func1", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11) +!8 = !DISubroutineType(types: !9) +!9 = !{!10, !10} +!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) +!11 = !{!12} +!12 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !1, line: 2, type: !10) +!13 = !DILocation(line: 0, scope: !7) +!14 = !DILocation(line: 3, column: 14, scope: !7) +!15 = !DILocation(line: 3, column: 5, scope: !7) +!16 = distinct !DISubprogram(name: "func2", scope: !1, file: !1, line: 6, type: !8, scopeLine: 6, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17) +!17 = !{!18} +!18 = !DILocalVariable(name: "a", arg: 1, scope: !16, file: !1, line: 6, type: !10) +!19 = !DILocation(line: 0, scope: !16) +!20 = !DILocation(line: 7, column: 14, scope: !16) +!21 = !DILocation(line: 7, column: 18, scope: !16) +!22 = !DILocation(line: 7, column: 5, scope: !16)