1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-25 20:23:11 +01:00
llvm-mirror/lib/DebugInfo/DWARF/DWARFCompileUnit.cpp
Alok Kumar Sharma d45ba8e94a [DebugInfo][llvm-dwarfdump] Fix printing of Unit header with DW_UT_partial type
llvm-dwarfdump crashed for Unit header with DW_UT_partial type.
-------------
llvm-dwarfdump: /tmp/llvm/include/llvm/ADT/Optional.h:197: T& llvm::optional_detail::OptionalStorage<T, true>::getValue() &
[with T = long unsigned int]: Assertion `hasVal' failed.
PLEASE submit a bug report to the technical support section of https://developer.amd.com/amd-aocc and include the crash backtrace.
Stack dump:
0.      Program arguments: llvm-dwarfdump -v /tmp/test/DebugInfo/X86/Output/dwarfdump-he
ader.s.tmp.o
 #0 0x00007f37d5ad8838 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /tmp/llvm/lib/Support/Unix/Signals.inc:565:0
 #1 0x00007f37d5ad88ef PrintStackTraceSignalHandler(void*) /tmp/llvm/lib/Support/Unix/Signals.inc:632:0
 #2 0x00007f37d5ad65bd llvm::sys::RunSignalHandlers() /tmp/llvm/lib/Support/Signals.cpp:71:0
 #3 0x00007f37d5ad81b9 SignalHandler(int) /tmp/llvm/lib/Support/Unix/Signals.inc:407:0
 #4 0x00007f37d4c26040 (/lib/x86_64-linux-gnu/libc.so.6+0x3f040)
 #5 0x00007f37d4c25fb7 raise /build/glibc-S9d2JN/glibc-2.27/signal/../sysdeps/unix/sysv/linux/raise.c:51:0
 #6 0x00007f37d4c27921 abort /build/glibc-S9d2JN/glibc-2.27/stdlib/abort.c:81:0
 #7 0x00007f37d4c1748a __assert_fail_base /build/glibc-S9d2JN/glibc-2.27/assert/assert.c:89:0
 #8 0x00007f37d4c17502 (/lib/x86_64-linux-gnu/libc.so.6+0x30502)
 #9 0x00007f37d7576b81 llvm::optional_detail::OptionalStorage<unsigned long, true>::getValue() & /tmp/llvm/include/llvm/ADT/Optional.h:198:0
 #10 0x00007f37d75726ac llvm::Optional<unsigned long>::operator*() && /tmp/llvm/include/llvm/ADT/Optional.h:309:0
 #11 0x00007f37d7582968 llvm::DWARFCompileUnit::dump(llvm::raw_ostream&, llvm::DIDumpOptions) /tmp/llvm/lib/DebugInfo/DWARF/DWARFCompileUnit.cpp:30:0
--------------

Patch by: @jini.susan

Reviewed By: @probinson

Differential Revision: https://reviews.llvm.org/D101255
2021-04-27 10:32:44 +05:30

43 lines
1.8 KiB
C++

//===-- DWARFCompileUnit.cpp ----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/DWARF/DWARFCompileUnit.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugAbbrev.h"
#include "llvm/DebugInfo/DWARF/DWARFDie.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
void DWARFCompileUnit::dump(raw_ostream &OS, DIDumpOptions DumpOpts) {
int OffsetDumpWidth = 2 * dwarf::getDwarfOffsetByteSize(getFormat());
OS << format("0x%08" PRIx64, getOffset()) << ": Compile Unit:"
<< " length = " << format("0x%0*" PRIx64, OffsetDumpWidth, getLength())
<< ", format = " << dwarf::FormatString(getFormat())
<< ", version = " << format("0x%04x", getVersion());
if (getVersion() >= 5)
OS << ", unit_type = " << dwarf::UnitTypeString(getUnitType());
OS << ", abbr_offset = " << format("0x%04" PRIx64, getAbbrOffset());
if (!getAbbreviations())
OS << " (invalid)";
OS << ", addr_size = " << format("0x%02x", getAddressByteSize());
if (getVersion() >= 5 && (getUnitType() == dwarf::DW_UT_skeleton ||
getUnitType() == dwarf::DW_UT_split_compile))
OS << ", DWO_id = " << format("0x%016" PRIx64, *getDWOId());
OS << " (next unit at " << format("0x%08" PRIx64, getNextUnitOffset())
<< ")\n";
if (DWARFDie CUDie = getUnitDIE(false))
CUDie.dump(OS, 0, DumpOpts);
else
OS << "<compile unit can't be parsed!>\n\n";
}
// VTable anchor.
DWARFCompileUnit::~DWARFCompileUnit() = default;