From ef1f8c3cc3b509f83b1e887505881e4506602703 Mon Sep 17 00:00:00 2001 From: "Michael J. Spencer" Date: Tue, 3 Aug 2010 04:43:24 +0000 Subject: [PATCH] MC: Fix symbol fragment offsets in COFF. Patch by Cameron Esfahani! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110100 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/MC/WinCOFFObjectWriter.cpp | 3 +- test/mc/COFF/symbol-fragment-offset.ll | 182 +++++++++++++++++++++++++ 2 files changed, 184 insertions(+), 1 deletion(-) create mode 100644 test/mc/COFF/symbol-fragment-offset.ll diff --git a/lib/MC/WinCOFFObjectWriter.cpp b/lib/MC/WinCOFFObjectWriter.cpp index 4fb806e8b85..1a020ea80f7 100644 --- a/lib/MC/WinCOFFObjectWriter.cpp +++ b/lib/MC/WinCOFFObjectWriter.cpp @@ -617,7 +617,8 @@ void WinCOFFObjectWriter::WriteObject(const MCAssembler &Asm, COFFSection *coff_section = SectionMap[SymbolData->Fragment->getParent()]; coff_symbol->Data.SectionNumber = coff_section->Number; - coff_symbol->Data.Value = Layout.getFragmentOffset(SymbolData->Fragment); + coff_symbol->Data.Value = Layout.getFragmentOffset(SymbolData->Fragment) + + SymbolData->Offset; } // Update auxiliary symbol info. diff --git a/test/mc/COFF/symbol-fragment-offset.ll b/test/mc/COFF/symbol-fragment-offset.ll new file mode 100644 index 00000000000..bf22c4ecede --- /dev/null +++ b/test/mc/COFF/symbol-fragment-offset.ll @@ -0,0 +1,182 @@ +; RUN: llc -filetype=obj %s -o %t +; RUN: coff-dump.py %abs_tmp | FileCheck %s + +; ModuleID = 'coff-fragment-test.c' +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32" +target triple = "i686-pc-win32" + +@.str = private constant [7 x i8] c"Hello \00" ; <[7 x i8]*> [#uses=1] +@str = internal constant [7 x i8] c"World!\00" ; <[7 x i8]*> [#uses=1] + +define i32 @main() nounwind { +entry: + %call = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([7 x i8]* @.str, i32 0, i32 0)) nounwind ; [#uses=0] + %puts = tail call i32 @puts(i8* getelementptr inbounds ([7 x i8]* @str, i32 0, i32 0)) ; [#uses=0] + ret i32 0 +} + +declare i32 @printf(i8* nocapture, ...) nounwind + +declare i32 @puts(i8* nocapture) nounwind + +; CHECK: { +; CHECK: MachineType = IMAGE_FILE_MACHINE_I386 (0x14C) +; CHECK: NumberOfSections = 2 +; CHECK: TimeDateStamp = {{[0-9]+}} +; CHECK: PointerToSymbolTable = 0xBB +; CHECK: NumberOfSymbols = 9 +; CHECK: SizeOfOptionalHeader = 0 +; CHECK: Characteristics = 0x0 +; CHECK: Sections = [ +; CHECK: 0 = { +; CHECK: Name = .text +; CHECK: VirtualSize = 0 +; CHECK: VirtualAddress = 0 +; CHECK: SizeOfRawData = 33 +; CHECK: PointerToRawData = 0x64 +; CHECK: PointerToRelocations = 0x85 +; CHECK: PointerToLineNumbers = 0x0 +; CHECK: NumberOfRelocations = 4 +; CHECK: NumberOfLineNumbers = 0 +; CHECK: Charateristics = 0x60500020 +; CHECK: IMAGE_SCN_CNT_CODE +; CHECK: IMAGE_SCN_ALIGN_16BYTES +; CHECK: IMAGE_SCN_MEM_EXECUTE +; CHECK: IMAGE_SCN_MEM_READ +; CHECK: SectionData = +; CHECK: 83 EC 04 C7 04 24 00 00 - 00 00 E8 00 00 00 00 C7 |.....$..........| +; CHECK: 04 24 00 00 00 00 E8 00 - 00 00 00 31 C0 83 C4 04 |.$.........1....| +; CHECK: C3 |.| + +; CHECK: Relocations = [ +; CHECK: 0 = { +; CHECK: VirtualAddress = 0x6 +; CHECK: SymbolTableIndex = 5 +; CHECK: Type = IMAGE_REL_I386_DIR32 (6) +; CHECK: SymbolName = _main +; CHECK: } +; CHECK: 1 = { +; CHECK: VirtualAddress = 0xB +; CHECK: SymbolTableIndex = 6 +; CHECK: Type = IMAGE_REL_I386_REL32 (20) +; CHECK: SymbolName = L_.str +; CHECK: } +; CHECK: 2 = { +; CHECK: VirtualAddress = 0x12 +; CHECK: SymbolTableIndex = 7 +; CHECK: Type = IMAGE_REL_I386_DIR32 (6) +; CHECK: SymbolName = _printf +; CHECK: } +; CHECK: 3 = { +; CHECK: VirtualAddress = 0x17 +; CHECK: SymbolTableIndex = 8 +; CHECK: Type = IMAGE_REL_I386_REL32 (20) +; CHECK: SymbolName = _str +; CHECK: } +; CHECK: ] +; CHECK: } +; CHECK: 1 = { +; CHECK: Name = .data +; CHECK: VirtualSize = 0 +; CHECK: VirtualAddress = 0 +; CHECK: SizeOfRawData = 14 +; CHECK: PointerToRawData = 0xAD +; CHECK: PointerToRelocations = 0x0 +; CHECK: PointerToLineNumbers = 0x0 +; CHECK: NumberOfRelocations = 0 +; CHECK: NumberOfLineNumbers = 0 +; CHECK: Charateristics = 0xC0100040 +; CHECK: IMAGE_SCN_CNT_INITIALIZED_DATA +; CHECK: IMAGE_SCN_ALIGN_1BYTES +; CHECK: IMAGE_SCN_MEM_READ +; CHECK: IMAGE_SCN_MEM_WRITE +; CHECK: SectionData = +; CHECK: 48 65 6C 6C 6F 20 00 57 - 6F 72 6C 64 21 00 |Hello .World!.| + +; CHECK: Relocations = None +; CHECK: } +; CHECK: ] +; CHECK: Symbols = [ +; CHECK: 0 = { +; CHECK: Name = .text +; CHECK: Value = 0 +; CHECK: SectionNumber = 1 +; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0) +; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0) +; CHECK: StorageClass = IMAGE_SYM_CLASS_STATIC (3) +; CHECK: NumberOfAuxSymbols = 1 +; CHECK: AuxillaryData = +; CHECK: 21 00 00 00 04 00 00 00 - 00 00 00 00 01 00 00 00 |!...............| +; CHECK: 00 00 |..| + +; CHECK: } +; CHECK: 1 = { +; CHECK: Name = .data +; CHECK: Value = 0 +; CHECK: SectionNumber = 2 +; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0) +; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0) +; CHECK: StorageClass = IMAGE_SYM_CLASS_STATIC (3) +; CHECK: NumberOfAuxSymbols = 1 +; CHECK: AuxillaryData = +; CHECK: 0E 00 00 00 00 00 00 00 - 00 00 00 00 02 00 00 00 |................| +; CHECK: 00 00 |..| + +; CHECK: } +; CHECK: 2 = { +; CHECK: Name = _main +; CHECK: Value = 0 +; CHECK: SectionNumber = 1 +; CHECK: SimpleType = unknown (32) +; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0) +; CHECK: StorageClass = IMAGE_SYM_CLASS_EXTERNAL (2) +; CHECK: NumberOfAuxSymbols = 0 +; CHECK: AuxillaryData = + +; CHECK: } +; CHECK: 3 = { +; CHECK: Name = L_.str +; CHECK: Value = 0 +; CHECK: SectionNumber = 2 +; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0) +; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0) +; CHECK: StorageClass = IMAGE_SYM_CLASS_STATIC (3) +; CHECK: NumberOfAuxSymbols = 0 +; CHECK: AuxillaryData = + +; CHECK: } +; CHECK: 4 = { +; CHECK: Name = _printf +; CHECK: Value = 0 +; CHECK: SectionNumber = 0 +; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0) +; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0) +; CHECK: StorageClass = IMAGE_SYM_CLASS_EXTERNAL (2) +; CHECK: NumberOfAuxSymbols = 0 +; CHECK: AuxillaryData = + +; CHECK: } +; CHECK: 5 = { +; CHECK: Name = _str +; CHECK: Value = 7 +; CHECK: SectionNumber = 2 +; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0) +; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0) +; CHECK: StorageClass = IMAGE_SYM_CLASS_STATIC (3) +; CHECK: NumberOfAuxSymbols = 0 +; CHECK: AuxillaryData = + +; CHECK: } +; CHECK: 6 = { +; CHECK: Name = _puts +; CHECK: Value = 0 +; CHECK: SectionNumber = 0 +; CHECK: SimpleType = IMAGE_SYM_TYPE_NULL (0) +; CHECK: ComplexType = IMAGE_SYM_DTYPE_NULL (0) +; CHECK: StorageClass = IMAGE_SYM_CLASS_EXTERNAL (2) +; CHECK: NumberOfAuxSymbols = 0 +; CHECK: AuxillaryData = + +; CHECK: } +; CHECK: ] +; CHECK: }