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- fix augmentation length bug

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This commit is contained in:
Magnus Norddahl 2018-12-01 14:14:28 +01:00
parent b428136866
commit 83c011740c
1 changed files with 1 additions and 5 deletions
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6
src/scripting/vm/jit_runtime.cpp
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@ -422,15 +422,13 @@ static void WriteCIE(TArray<uint8_t> &stream, const TArray<uint8_t> &cieInstruct
WriteUInt8(stream, 1); // CIE Version
WriteUInt8(stream, 'z');
//WriteUInt8(stream, 'L'); // LSDA (language specific data area)
WriteUInt8(stream, 'R'); // fde encoding
WriteUInt8(stream, 0);
WriteULEB128(stream, 1);
WriteSLEB128(stream, -1);
WriteULEB128(stream, returnAddressReg);
WriteULEB128(stream, 2); // LEB128 augmentation size
//WriteUInt8(stream, 0xff); // DW_EH_PE_omit (no LSDA)
WriteULEB128(stream, 1); // LEB128 augmentation size
WriteUInt8(stream, 0); // DW_EH_PE_absptr (FDE uses absolute pointers)
for (unsigned int i = 0; i < cieInstructions.Size(); i++)
@ -496,8 +494,6 @@ static TArray<uint8_t> CreateUnwindInfoUnix(asmjit::CCFunc *func, unsigned int &
//
// See appendix D.6 "Call Frame Information Example" in the DWARF 5 spec.
//
// Unofficial description: https://www.airs.com/blog/archives/460
//
// The CFI_Parser<A>::decodeFDE parser on the other side..
// https://github.com/llvm-mirror/libunwind/blob/master/src/DwarfParser.hpp