diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp index 812e6383288f..838e1c9a10be 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp @@ -10,10 +10,9 @@ #include "DwarfCompileUnit.h" #include "DwarfDebug.h" #include "DwarfUnit.h" -#include "llvm/ADT/SmallVector.h" #include "llvm/CodeGen/AsmPrinter.h" -#include "llvm/CodeGen/DIE.h" #include "llvm/IR/DebugInfoMetadata.h" +#include "llvm/IR/Metadata.h" #include "llvm/MC/MCStreamer.h" #include <algorithm> #include <cstdint> @@ -59,7 +58,7 @@ void DwarfFile::emitUnit(DwarfUnit *TheU, bool UseOffsets) { // Compute the size and offset for each DIE. void DwarfFile::computeSizeAndOffsets() { // Offset from the first CU in the debug info section is 0 initially. - unsigned SecOffset = 0; + uint64_t SecOffset = 0; // Iterate over each compile unit and set the size and offsets for each // DIE within each compile unit. All offsets are CU relative. @@ -75,12 +74,15 @@ void DwarfFile::computeSizeAndOffsets() { TheU->setDebugSectionOffset(SecOffset); SecOffset += computeSizeAndOffsetsForUnit(TheU.get()); } + if (SecOffset > UINT32_MAX && !Asm->isDwarf64()) + report_fatal_error("The generated debug information is too large " + "for the 32-bit DWARF format."); } unsigned DwarfFile::computeSizeAndOffsetsForUnit(DwarfUnit *TheU) { // CU-relative offset is reset to 0 here. - unsigned Offset = sizeof(int32_t) + // Length of Unit Info - TheU->getHeaderSize(); // Unit-specific headers + unsigned Offset = Asm->getUnitLengthFieldByteSize() + // Length of Unit Info + TheU->getHeaderSize(); // Unit-specific headers // The return value here is CU-relative, after laying out // all of the CU DIE. |