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dbgshim.cpp
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dbgshim.cpp
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
//*****************************************************************************
// DbgShim.cpp
//
// dbgshim is responsible to start the debuggee process with debug parameters and to
// load the correct mscordbi that will connect with mono runtime.
//*****************************************************************************
#include <utilcode.h>
#include "dbgshim.h"
#include "palclr.h"
#if defined(TARGET_WINDOWS)
#include <libloaderapi.h>
#else
#include <dlfcn.h>
#define putenv _putenv
#endif
#ifndef MAX_LONGPATH
#define MAX_LONGPATH 1024
#endif
#ifdef HOST_UNIX
#define INITIALIZE_SHIM { if (PAL_InitializeDLL() != 0) return E_FAIL; }
#else
#define INITIALIZE_SHIM
#endif
// Contract for public APIs. These must be NOTHROW.
#define PUBLIC_CONTRACT \
INITIALIZE_SHIM \
CONTRACTL \
{ \
NOTHROW; \
} \
CONTRACTL_END;
// Functions that we'll look for in the loaded Mscordbi module.
typedef HRESULT (STDAPICALLTYPE *FPCoreCLRCreateCordbObject)(
int iDebuggerVersion,
DWORD pid,
HMODULE hmodTargetCLR,
IUnknown **ppCordb);
static HRESULT RunAndroidCmd(char* c_android_adb_path, char const* c_command_to_execute)
{
PROCESS_INFORMATION processInfo;
STARTUPINFOW startupInfo;
DWORD dwCreationFlags = 0;
ZeroMemory(&processInfo, sizeof(processInfo));
ZeroMemory(&startupInfo, sizeof(startupInfo));
startupInfo.cb = sizeof(startupInfo);
LPWSTR w_android_run_adb_command = (LPWSTR)malloc(2048 * sizeof(WCHAR));
char* c_android_run_adb_command = (char*)malloc(2048 * sizeof(char));
sprintf_s(c_android_run_adb_command, 2048, "%s %s", c_android_adb_path, c_command_to_execute);
MultiByteToWideChar(CP_UTF8, 0, c_android_run_adb_command, -1, w_android_run_adb_command, 2048);
BOOL result = CreateProcessW(
NULL,
w_android_run_adb_command,
NULL,
NULL,
FALSE,
dwCreationFlags,
NULL,
NULL,
&startupInfo,
&processInfo);
if (!result) {
free(c_android_run_adb_command);
free(w_android_run_adb_command);
return HRESULT_FROM_WIN32(GetLastError());
}
free(c_android_run_adb_command);
free(w_android_run_adb_command);
return S_OK;
}
//-----------------------------------------------------------------------------
// Public API.
//
// CreateProcessForLaunch - a stripped down version of the Windows CreateProcess
// that can be supported cross-platform.
//
//-----------------------------------------------------------------------------
MONO_API HRESULT
CreateProcessForLaunch(
_In_ LPWSTR lpCommandLine,
_In_ BOOL bSuspendProcess,
_In_ LPVOID lpEnvironment,
_In_ LPCWSTR lpCurrentDirectory,
_Out_ PDWORD pProcessId,
_Out_ HANDLE *pResumeHandle)
{
PUBLIC_CONTRACT;
PROCESS_INFORMATION processInfo;
STARTUPINFOW startupInfo;
DWORD dwCreationFlags = 0;
ZeroMemory(&processInfo, sizeof(processInfo));
ZeroMemory(&startupInfo, sizeof(startupInfo));
startupInfo.cb = sizeof(startupInfo);
char* c_android_adb_path = getenv("ANDROID_ADB_PATH");
if (strlen(c_android_adb_path) > 0) {
HRESULT ret = RunAndroidCmd(c_android_adb_path, "shell setprop debug.mono.extra \"debug=10.0.2.2:56000,loglevel=10,timeout=100000000000000\"");
if (ret != S_OK) {
*pProcessId = 0;
*pResumeHandle = NULL;
return ret;
}
}
else
putenv("MONO_ENV_OPTIONS='--debugger-agent=transport=dt_socket,address=127.0.0.1:pid_based,server=n,suspend=y,loglevel=10,timeout=100000'");
BOOL result = CreateProcessW(
NULL,
lpCommandLine,
NULL,
NULL,
FALSE,
dwCreationFlags,
NULL,
lpCurrentDirectory,
&startupInfo,
&processInfo);
if (!result) {
*pProcessId = 0;
*pResumeHandle = NULL;
return HRESULT_FROM_WIN32(GetLastError());
}
if (processInfo.hProcess != NULL)
{
CloseHandle(processInfo.hProcess);
}
if (strlen(c_android_adb_path) > 0) {
*pProcessId = 1000; //TODO identify the correct processID of the process running on android or find another way to decide the port number
}
else {
*pProcessId = processInfo.dwProcessId;
*pResumeHandle = processInfo.hThread;
}
return S_OK;
}
MONO_API HRESULT
ResumeProcess(
_In_ HANDLE hResumeHandle)
{
return S_OK;
}
MONO_API HRESULT
CloseResumeHandle(
_In_ HANDLE hResumeHandle)
{
return S_OK;
}
HRESULT CreateCoreDbg(HMODULE hDBIModule, DWORD processId, int iDebuggerVersion, IUnknown **ppCordb)
{
HRESULT hr = S_OK;
#if defined(TARGET_WINDOWS)
FPCoreCLRCreateCordbObject fpCreate =
(FPCoreCLRCreateCordbObject)GetProcAddress(hDBIModule, "CoreCLRCreateCordbObject");
#else
FPCoreCLRCreateCordbObject fpCreate = (FPCoreCLRCreateCordbObject)dlsym (hDBIModule, "CoreCLRCreateCordbObject");
#endif
if (fpCreate == NULL)
{
return CORDBG_E_INCOMPATIBLE_PROTOCOL;
}
return fpCreate(iDebuggerVersion, processId, NULL, ppCordb);
return hr;
}
static IUnknown* pCordb = NULL;
MONO_API HRESULT
RegisterForRuntimeStartup(
_In_ DWORD dwProcessId,
_In_ PSTARTUP_CALLBACK pfnCallback,
_In_ PVOID parameter,
_Out_ PVOID *ppUnregisterToken)
{
if (pCordb != NULL)
return S_OK;
HRESULT hr = S_OK;
HMODULE hMod = NULL;
char* msCorDbiPath = getenv("MSCORDBI_PATH");
#ifdef TARGET_WINDOWS
hMod = LoadLibraryA(msCorDbiPath);
#else
hMod = dlopen(msCorDbiPath, RTLD_LAZY);
#endif
if (hMod == NULL)
{
hr = CORDBG_E_DEBUG_COMPONENT_MISSING;
goto exit;
}
hr = CreateCoreDbg(hMod, dwProcessId, 0, &pCordb);
exit:
if (FAILED(hr))
{
_ASSERTE(pCordb == NULL);
if (hMod != NULL)
{
FreeLibrary(hMod);
}
// Invoke the callback on error
pfnCallback(NULL, parameter, hr);
return hr;
}
pfnCallback(pCordb, parameter, S_OK);
return S_OK;
}
MONO_API HRESULT
RegisterForRuntimeStartupEx(
_In_ DWORD dwProcessId,
_In_ LPCWSTR szApplicationGroupId,
_In_ PSTARTUP_CALLBACK pfnCallback,
_In_ PVOID parameter,
_Out_ PVOID *ppUnregisterToken)
{
return S_OK;
}
MONO_API HRESULT
UnregisterForRuntimeStartup(
_In_ PVOID pUnregisterToken)
{
return S_OK;
}
MONO_API HRESULT
GetStartupNotificationEvent(
_In_ DWORD debuggeePID,
_Out_ HANDLE* phStartupEvent)
{
return S_OK;
}
MONO_API HRESULT
EnumerateCLRs(DWORD debuggeePID,
_Out_ HANDLE** ppHandleArrayOut,
_Out_ LPWSTR** ppStringArrayOut,
_Out_ DWORD* pdwArrayLengthOut)
{
return S_OK;
}
MONO_API HRESULT
CloseCLREnumeration(
_In_ HANDLE* pHandleArray,
_In_ LPWSTR* pStringArray,
_In_ DWORD dwArrayLength)
{
return S_OK;
}
MONO_API HRESULT
CreateVersionStringFromModule(
_In_ DWORD pidDebuggee,
_In_ LPCWSTR szModuleName,
_Out_writes_to_opt_(cchBuffer, *pdwLength) LPWSTR pBuffer,
_In_ DWORD cchBuffer,
_Out_ DWORD* pdwLength)
{
return S_OK;
}
MONO_API HRESULT
CreateDebuggingInterfaceFromVersionEx(
_In_ int iDebuggerVersion,
_In_ LPCWSTR szDebuggeeVersion,
_Out_ IUnknown ** ppCordb)
{
return S_OK;
}
MONO_API
HRESULT
CreateDebuggingInterfaceFromVersion2(
_In_ int iDebuggerVersion,
_In_ LPCWSTR szDebuggeeVersion,
_In_ LPCWSTR szApplicationGroupId,
_Out_ IUnknown ** ppCordb)
{
return S_OK;
}
MONO_API HRESULT
CreateDebuggingInterfaceFromVersion(
_In_ LPCWSTR szDebuggeeVersion,
_Out_ IUnknown ** ppCordb)
{
return S_OK;
}