llvm/lib/Support/Process.cpp
Leny Kholodov f7a03a4ea3 [Support] Creation of minidump after compiler crash on Windows
In the current implementation compiler only prints stack trace
to console after crash. This patch adds saving of minidump
files which contain a useful subset of the information for
further debugging.

Differential Revision: http://reviews.llvm.org/D18216



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268519 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-04 16:56:51 +00:00

90 lines
2.5 KiB
C++

//===-- Process.cpp - Implement OS Process Concept --------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the operating system Process concept.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/StringExtras.h"
#include "llvm/Config/config.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Program.h"
using namespace llvm;
using namespace sys;
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only TRULY operating system
//=== independent code.
//===----------------------------------------------------------------------===//
Optional<std::string> Process::FindInEnvPath(const std::string& EnvName,
const std::string& FileName)
{
assert(!path::is_absolute(FileName));
Optional<std::string> FoundPath;
Optional<std::string> OptPath = Process::GetEnv(EnvName);
if (!OptPath.hasValue())
return FoundPath;
const char EnvPathSeparatorStr[] = {EnvPathSeparator, '\0'};
SmallVector<StringRef, 8> Dirs;
SplitString(OptPath.getValue(), Dirs, EnvPathSeparatorStr);
for (const auto &Dir : Dirs) {
if (Dir.empty())
continue;
SmallString<128> FilePath(Dir);
path::append(FilePath, FileName);
if (fs::exists(Twine(FilePath))) {
FoundPath = FilePath.str();
break;
}
}
return FoundPath;
}
#define COLOR(FGBG, CODE, BOLD) "\033[0;" BOLD FGBG CODE "m"
#define ALLCOLORS(FGBG,BOLD) {\
COLOR(FGBG, "0", BOLD),\
COLOR(FGBG, "1", BOLD),\
COLOR(FGBG, "2", BOLD),\
COLOR(FGBG, "3", BOLD),\
COLOR(FGBG, "4", BOLD),\
COLOR(FGBG, "5", BOLD),\
COLOR(FGBG, "6", BOLD),\
COLOR(FGBG, "7", BOLD)\
}
static const char colorcodes[2][2][8][10] = {
{ ALLCOLORS("3",""), ALLCOLORS("3","1;") },
{ ALLCOLORS("4",""), ALLCOLORS("4","1;") }
};
// This is set to true when Process::PreventCoreFiles() is called.
static bool coreFilesPrevented = false;
bool Process::AreCoreFilesPrevented() {
return coreFilesPrevented;
}
// Include the platform-specific parts of this class.
#ifdef LLVM_ON_UNIX
#include "Unix/Process.inc"
#endif
#ifdef LLVM_ON_WIN32
#include "Windows/Process.inc"
#endif