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/* $Id: nocrt-startup-exe-win.cpp $ */
/** @file
* IPRT - No-CRT - Windows EXE startup code.
*
* @note Does not run static constructors and destructors!
*/
/*
* Copyright (C) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "internal/nocrt.h"
#include "internal/process.h"
#include <iprt/nt/nt-and-windows.h>
#include <iprt/getopt.h>
#include <iprt/message.h>
#include <iprt/path.h>
#include <iprt/string.h>
#include <iprt/utf16.h>
#include "internal/compiler-vcc.h"
/*********************************************************************************************************************************
* External Symbols *
*********************************************************************************************************************************/
extern int main(int argc, char **argv, char **envp); /* in program */
#ifndef IPRT_NO_CRT
extern DECLHIDDEN(void) InitStdHandles(PRTL_USER_PROCESS_PARAMETERS pParams); /* nocrt-streams-win.cpp */ /** @todo put in header */
#endif
static int rtTerminateProcess(int32_t rcExit, bool fDoAtExit)
{
#ifdef IPRT_NO_CRT
/*
* Run atexit callback in reverse order.
*/
if (fDoAtExit)
{
rtVccTermRunAtExit();
rtVccInitializersRunTerm();
}
#else
RT_NOREF(fDoAtExit);
#endif
/*
* Terminate.
*/
for (;;)
NtTerminateProcess(NtCurrentProcess(), rcExit);
}
DECLASM(void) CustomMainEntrypoint(void)
{
/* Looks like might have gotten the PPEB as parameter here before NT4,
however, there the EXE entry function clearly takes no parameters.
So, we have to retrieve the PEB our selves here. */
PPEB_COMMON const pPeb = RTNtCurrentPeb();
/*
* Initialize stuff.
*/
#ifdef IPRT_NO_CRT
# ifdef RT_ARCH_X86
rtVccWinInitBssOnNt3(pPeb->ImageBaseAddress);
# endif
rtVccInitSecurityCookie();
#else
InitStdHandles(pPeb->ProcessParameters);
#endif
rtVccWinInitProcExecPath();
RTEXITCODE rcExit;
#ifdef IPRT_NO_CRT
AssertCompile(sizeof(rcExit) == sizeof(int));
rcExit = (RTEXITCODE)rtVccInitializersRunInit();
if (rcExit == RTEXITCODE_SUCCESS)
#endif
{
/*
* Get and convert the command line to argc/argv format.
*/
rcExit = RTEXITCODE_INIT;
UNICODE_STRING const *pCmdLine = pPeb->ProcessParameters ? &pPeb->ProcessParameters->CommandLine : NULL;
if (pCmdLine)
{
char *pszCmdLine = NULL;
int rc = RTUtf16ToUtf8Ex(pCmdLine->Buffer, pCmdLine->Length / sizeof(WCHAR), &pszCmdLine, 0, NULL);
if (RT_SUCCESS(rc))
{
char **papszArgv;
int cArgs = 0;
rc = RTGetOptArgvFromString(&papszArgv, &cArgs, pszCmdLine,
RTGETOPTARGV_CNV_MODIFY_INPUT | RTGETOPTARGV_CNV_QUOTE_MS_CRT, NULL);
if (RT_SUCCESS(rc))
{
/*
* Call the main function.
*/
AssertCompile(sizeof(rcExit) == sizeof(int));
rcExit = (RTEXITCODE)main(cArgs, papszArgv, NULL /*envp*/);
}
else
#ifdef IPRT_NOCRT_WITHOUT_FATAL_WRITE
RTMsgError("Error parsing command line: %Rrc\n", rc);
#else
rtNoCrtFatalMsgWithRc(RT_STR_TUPLE("Error parsing command line: "), rc);
#endif
}
else
#ifdef IPRT_NOCRT_WITHOUT_FATAL_WRITE
RTMsgError("Failed to convert command line to UTF-8: %Rrc\n", rc);
#else
rtNoCrtFatalMsgWithRc(RT_STR_TUPLE("Failed to convert command line to UTF-8: "), rc);
#endif
}
else
#ifdef IPRT_NOCRT_WITHOUT_FATAL_WRITE
RTMsgError("No command line\n");
#else
rtNoCrtFatalMsg(RT_STR_TUPLE("No command line\r\n"));
#endif
rtTerminateProcess(rcExit, true /*fDoAtExit*/);
}
#ifdef IPRT_NO_CRT
else
{
# ifdef IPRT_NOCRT_WITHOUT_FATAL_WRITE
RTMsgError("A C static initializor failed (%d)\n", rcExit);
# else
rtNoCrtFatalWriteBegin(RT_STR_TUPLE("A C static initializor failed ("));
rtNoCrtFatalWriteWinRc(rcExit);
rtNoCrtFatalWriteEnd(RT_STR_TUPLE("\r\n"));
# endif
rtTerminateProcess(rcExit, false /*fDoAtExit*/);
}
#endif
}
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