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153 lines
4.7 KiB
153 lines
4.7 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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#include "pin.H"
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#include <iostream>
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using std::string;
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using std::endl;
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using std::cout;
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/* ===================================================================== */
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/* Command line Switches */
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/* ===================================================================== */
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//General configuration - Pin and Tool full path
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KNOB<string> KnobPinFullPath(KNOB_MODE_WRITEONCE, "pintool",
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"pin_path", "", "pin full path");
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KNOB<string> KnobToolsFullPath(KNOB_MODE_WRITEONCE, "pintool",
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"tools_path", "", "grand parent tool full path");
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//Parent configuration - Application and PinTool name
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KNOB<string> KnobParentApplicationName(KNOB_MODE_WRITEONCE, "pintool",
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"parent_app_name", "win_parent_process", "parent application name");
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KNOB<string> KnobParentToolName(KNOB_MODE_WRITEONCE, "pintool",
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"parent_tool_name", "parent_tool", "parent tool full path");
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//Child configuration - Application and PinTool name
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KNOB<string> KnobChildApplicationName(KNOB_MODE_WRITEONCE, "pintool",
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"child_app_name", "win_child_process", "child application name");
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KNOB<string> KnobChildToolName(KNOB_MODE_WRITEONCE, "pintool",
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"child_tool_name", "follow_child_3gen_tool", "child tool full path");
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// Whether to probe the child
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KNOB<BOOL> KnobProbeChild(KNOB_MODE_WRITEONCE, "pintool",
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"probe_child", "0", "probe the child process");
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// Whether to probe the grand child
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KNOB<BOOL> KnobProbeGrandChild(KNOB_MODE_WRITEONCE, "pintool",
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"probe_grand_child", "0", "probe the grand child process");
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/* ===================================================================== */
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//Helper function
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string Int64ToDecimalString(INT64 number)
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{
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const UINT32 BUFFER_SIZE = 64;
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CHAR buffer[BUFFER_SIZE] = {0};
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buffer[BUFFER_SIZE - 1] = '\0';
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INT32 index;
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for(index = BUFFER_SIZE - 2;
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(number != 0) && (index >= 0);
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index--,
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number /= 10)
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{
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buffer[index] = '0' + number % 10;
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}
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return string(&buffer[index + 1]);
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}
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BOOL FollowChild(CHILD_PROCESS childProcess, VOID * userData)
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{
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BOOL res;
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INT appArgc;
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CHAR const * const * appArgv;
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OS_PROCESS_ID pid = CHILD_PROCESS_GetId(childProcess);
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CHILD_PROCESS_GetCommandLine(childProcess, &appArgc, &appArgv);
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//Inject only if the KnobParentApplicationName value is current child process application
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string childAppToInject = KnobParentApplicationName.Value();
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string childApp(appArgv[0]);
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string::size_type index = childApp.find(childAppToInject);
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if(index == string::npos)
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{
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return FALSE;
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}
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//Set Pin's command line for child process
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INT pinArgc = 0;
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CHAR const * pinArgv[20];
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string pin = KnobPinFullPath.Value() + "pin";
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pinArgv[pinArgc++] = pin.c_str();
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pinArgv[pinArgc++] = "-follow_execv";
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if (KnobProbeChild)
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{
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pinArgv[pinArgc++] = "-probe"; // pin in probe mode
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}
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pinArgv[pinArgc++] = "-t";
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string tool = KnobToolsFullPath.Value() + KnobParentToolName.Value();
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pinArgv[pinArgc++] = tool.c_str();
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if (KnobProbeGrandChild)
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{
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pinArgv[pinArgc++] = "-probe_child";
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pinArgv[pinArgc++] = "1";
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}
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pinArgv[pinArgc++] = "-pin_path";
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pinArgv[pinArgc++] = KnobPinFullPath.Value().c_str();
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pinArgv[pinArgc++] = "-tools_path";
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pinArgv[pinArgc++] = KnobToolsFullPath.Value().c_str();
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pinArgv[pinArgc++] = "-check_process_id";
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pinArgv[pinArgc++] = "1";
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pinArgv[pinArgc++] = "-process_id";
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string decPidStr = Int64ToDecimalString(pid).c_str();
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pinArgv[pinArgc++] = decPidStr.c_str();
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pinArgv[pinArgc++] = "--";
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CHILD_PROCESS_SetPinCommandLine(childProcess, pinArgc, pinArgv);
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return TRUE;
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}
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int main(INT32 argc, CHAR **argv)
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{
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PIN_Init(argc, argv);
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cout << "In grand_parent_tool PinTool is probed " << decstr(PIN_IsProbeMode()) << endl;
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PIN_AddFollowChildProcessFunction(FollowChild, 0);
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// Never returns
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if ( PIN_IsProbeMode() )
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{
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PIN_StartProgramProbed();
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}
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else
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{
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PIN_StartProgram();
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}
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return 0;
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}
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