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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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59
testing/tools/minidumpwriter/minidumpwriter.cpp Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* Given a PID and a path to a target file, write a minidump of the
* corresponding process in that file. This is taken more or less
* verbatim from mozcrash and translated to C++ to avoid problems
* writing a minidump of 64 bit Firefox from a 32 bit python.
*/
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <dbghelp.h>
int wmain(int argc, wchar_t** argv)
{
if (argc != 3) {
fprintf(stderr, "Usage: minidumpwriter <PID> <DUMP_FILE>\n");
return 1;
}
DWORD pid = (DWORD) _wtoi(argv[1]);
if (pid <= 0) {
fprintf(stderr, "Usage: minidumpwriter <PID> <DUMP_FILE>\n");
return 1;
}
wchar_t* dumpfile = argv[2];
int rv = 1;
HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
0, pid);
if (!hProcess) {
fprintf(stderr, "Couldn't get handle for %d\n", pid);
return rv;
}
HANDLE file = CreateFileW(dumpfile, GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, nullptr);
if (file == INVALID_HANDLE_VALUE) {
fprintf(stderr, "Couldn't open dump file at %S\n", dumpfile);
CloseHandle(hProcess);
return rv;
}
rv = 0;
if (!MiniDumpWriteDump(hProcess, pid, file, MiniDumpNormal,
nullptr, nullptr, nullptr)) {
fprintf(stderr, "Error 0x%X in MiniDumpWriteDump\n", GetLastError());
rv = 1;
}
CloseHandle(file);
CloseHandle(hProcess);
return rv;
}