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Implement a -trace command line option and a trace option in the interpreter.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@989 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2001-10-27 08:43:52 +00:00
parent c259316730
commit 43e3f7c962
4 changed files with 25 additions and 2 deletions
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3
lib/ExecutionEngine/Interpreter/Execution.cpp
View File

@ -834,6 +834,9 @@ bool Interpreter::executeInstruction() {
ExecutionContext &SF = ECStack.back(); // Current stack frame
Instruction *I = *SF.CurInst++; // Increment before execute
if (Trace)
cout << "Run:" << I;
if (I->isBinaryOp()) {
executeBinaryInst((BinaryOperator*)I, SF);
} else {

2
lib/ExecutionEngine/Interpreter/Interpreter.h
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@ -56,6 +56,7 @@ class Interpreter {
Module *CurMod; // The current Module being executed (0 if none)
int ExitCode; // The exit code to be returned by the lli util
bool Profile; // Profiling enabled?
bool Trace; // Tracing enabled?
int CurFrame; // The current stack frame being inspected
// The runtime stack of executing code. The top of the stack is the current
@ -72,6 +73,7 @@ public:
// enableProfiling() - Turn profiling on, clear stats?
void enableProfiling() { Profile = true; }
void enableTracing() { Trace = true; }
void initializeExecutionEngine();
void handleUserInput();

16
lib/ExecutionEngine/Interpreter/UserInput.cpp
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@ -16,7 +16,8 @@ enum CommandID {
Print, Info, List, StackTrace, Up, Down, // Inspection
Next, Step, Run, Finish, Call, // Control flow changes
Break, Watch, // Debugging
Load, Flush
Load, Flush,
TraceOpt, ProfileOpt // Toggle features
};
// CommandTable - Build a lookup table for the commands available to the user...
@ -52,6 +53,9 @@ static struct CommandTableElement {
{ "load" , Load },
{ "flush" , Flush },
{ "trace" , TraceOpt },
{ "profile" , ProfileOpt },
};
static CommandTableElement *CommandTableEnd =
CommandTable+sizeof(CommandTable)/sizeof(CommandTable[0]);
@ -118,6 +122,16 @@ void Interpreter::handleUserInput() {
finish(); // Run until it's complete
break;
case TraceOpt:
Trace = !Trace;
cout << "Tracing " << (Trace ? "enabled\n" : "disabled\n");
break;
case ProfileOpt:
Profile = !Profile;
cout << "Profiling " << (Trace ? "enabled\n" : "disabled\n");
break;
default:
cout << "Command '" << Command << "' unimplemented!\n";
break;

6
tools/lli/lli.cpp
View File

@ -14,12 +14,15 @@ cl::StringList InputArgv("" , "Input command line", cl::ConsumeAfter);
cl::String MainFunction ("f" , "Function to execute", cl::NoFlags, "main");
cl::Flag DebugMode ("debug" , "Start program in debugger");
cl::Alias DebugModeA ("d" , "Alias for -debug", cl::NoFlags, DebugMode);
cl::Flag TraceMode ("trace" , "Enable Tracing");
cl::Flag ProfileMode ("profile", "Enable Profiling [unimp]");
//===----------------------------------------------------------------------===//
// Interpreter ctor - Initialize stuff
//
Interpreter::Interpreter() : ExitCode(0), Profile(ProfileMode), CurFrame(-1) {
Interpreter::Interpreter() : ExitCode(0), Profile(ProfileMode),
Trace(TraceMode), CurFrame(-1) {
CurMod = 0;
loadModule(InputArgv.size() ? InputArgv[0] : "");
@ -46,6 +49,7 @@ int main(int argc, char** argv) {
// If running with the profiler, enable it now...
if (ProfileMode) I.enableProfiling();
if (TraceMode) I.enableTracing();
// Start interpreter into the main function...
//