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/*
* Copyright 2002-2019 Intel Corporation.
*
* This software is provided to you as Sample Source Code as defined in the accompanying
* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
* section 1.L.
*
* This software and the related documents are provided as is, with no express or implied
* warranties, other than those that are expressly stated in the License.
*/
#include "pin.H"
#include <iostream>
namespace WIND
{
#include <windows.h>
}
using std::string;
using std::endl;
using std::cout;
/* ===================================================================== */
/* Command line Switches */
/* ===================================================================== */
// General configuration
// Pin full path
KNOB<string> KnobPinFullPath(KNOB_MODE_WRITEONCE, "pintool",
"pin_path", "", "pin full path");
// Tool full path
KNOB<string> KnobToolsFullPath(KNOB_MODE_WRITEONCE, "pintool",
"tools_path", "", "grand parent tool full path");
// Parent configuration
// Application name
KNOB<string> KnobParentApplicationName(KNOB_MODE_WRITEONCE, "pintool",
"parent_app_name", "win_parent_process", "parent application name");
// PinTool name
KNOB<string> KnobParentToolName(KNOB_MODE_WRITEONCE, "pintool",
"parent_tool_name", "parent_tool", "parent tool full path");
// Current process id received by grand_parent tool
KNOB<OS_PROCESS_ID> KnobCurrentProcessId(KNOB_MODE_WRITEONCE, "pintool",
"process_id", "0", "current process id");
// Whether to check current process id received in KnobCurrentProcessId
KNOB<BOOL> KnobCheckCurrentProcessId(KNOB_MODE_WRITEONCE, "pintool",
"check_process_id", "0", "current process id");
// Child configuration
// Application name
KNOB<string> KnobChildApplicationName(KNOB_MODE_WRITEONCE, "pintool",
"child_app_name", "win_child_process", "child application name");
// PinTool name
KNOB<string> KnobChildToolName(KNOB_MODE_WRITEONCE, "pintool",
"child_tool_name", "follow_child_3gen_tool", "child tool full path");
// Whether to probe the child
KNOB<BOOL> KnobProbeChild(KNOB_MODE_WRITEONCE, "pintool",
"probe_child", "0", "probe the child process");
/* ===================================================================== */
BOOL FollowChild(CHILD_PROCESS childProcess, VOID * userData)
{
BOOL res;
INT appArgc;
CHAR const * const * appArgv;
OS_PROCESS_ID pid = CHILD_PROCESS_GetId(childProcess);
CHILD_PROCESS_GetCommandLine(childProcess, &appArgc, &appArgv);
//Inject only if the KnobChildApplicationName value is current child process application
string childAppToInject = KnobChildApplicationName.Value();
string childApp(appArgv[0]);
string::size_type index = childApp.find(childAppToInject);
if(index == string::npos)
{
return FALSE;
}
//Set Pin's command line for child process
INT pinArgc = 0;
const INT pinArgcMax = 6;
CHAR const * pinArgv[pinArgcMax];
string pin = KnobPinFullPath.Value() + "pin";
pinArgv[pinArgc++] = pin.c_str();
pinArgv[pinArgc++] = "-follow_execv";
if (KnobProbeChild)
{
pinArgv[pinArgc++] = "-probe"; // pin in probe mode
}
pinArgv[pinArgc++] = "-t";
string tool = KnobToolsFullPath.Value() + KnobChildToolName.Value();
pinArgv[pinArgc++] = tool.c_str();
pinArgv[pinArgc++] = "--";
ASSERTX(pinArgc <= pinArgcMax);
CHILD_PROCESS_SetPinCommandLine(childProcess, pinArgc, pinArgv);
return TRUE;
}
int main(INT32 argc, CHAR **argv)
{
PIN_Init(argc, argv);
cout << "In parent_tool PinTool is probed " << decstr(PIN_IsProbeMode()) << endl;
PIN_AddFollowChildProcessFunction(FollowChild, 0);
//Verify KnobCurrentProcessId is accurate
if(KnobCheckCurrentProcessId == TRUE)
{
if(WIND::GetCurrentProcessId() != KnobCurrentProcessId)
{
cout << "Got wrong process id in KnobCurrentProcessId" << endl;
exit(0);
}
}
// Never returns
if ( PIN_IsProbeMode() )
{
PIN_StartProgramProbed();
}
else
{
PIN_StartProgram();
}
return 0;
}