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Add command line option -entry-funcion to override entry function (default is main).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58779 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-11-05 23:21:52 +00:00
parent 5e136c0f37
commit ec740e325c
1 changed files with 12 additions and 5 deletions
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17
tools/lli/lli.cpp
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@ -49,6 +49,13 @@ namespace {
cl::opt<std::string>
TargetTriple("mtriple", cl::desc("Override target triple for module"));
cl::opt<std::string>
EntryFunc("entry-function",
cl::desc("Specify the entry function (default = 'main') "
"of the executable"),
cl::value_desc("function"),
cl::init("main"));
cl::opt<std::string>
FakeArgv0("fake-argv0",
@ -140,9 +147,9 @@ int main(int argc, char **argv, char * const *envp) {
// using the contents of Args to determine argc & argv, and the contents of
// EnvVars to determine envp.
//
Function *MainFn = Mod->getFunction("main");
if (!MainFn) {
std::cerr << "'main' function not found in module.\n";
Function *EntryFn = Mod->getFunction(EntryFunc);
if (!EntryFn) {
std::cerr << '\'' << EntryFunc << "\' function not found in module.\n";
return -1;
}
@ -160,13 +167,13 @@ int main(int argc, char **argv, char * const *envp) {
if (NoLazyCompilation) {
for (Module::iterator I = Mod->begin(), E = Mod->end(); I != E; ++I) {
Function *Fn = &*I;
if (Fn != MainFn && !Fn->isDeclaration())
if (Fn != EntryFn && !Fn->isDeclaration())
EE->getPointerToFunction(Fn);
}
}
// Run main.
int Result = EE->runFunctionAsMain(MainFn, InputArgv, envp);
int Result = EE->runFunctionAsMain(EntryFn, InputArgv, envp);
// Run static destructors.
EE->runStaticConstructorsDestructors(true);