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Calling generated code. Woo.

This commit is contained in:
Ben Vanik 2014-01-02 20:56:21 -08:00
parent e14d3379cb
commit 9ef2d1baf6
3 changed files with 12 additions and 3 deletions
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3
src/alloy/backend/x64/x64_assembler.cc
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@ -120,8 +120,7 @@ int X64Assembler::Assemble(
X64Function* fn = new X64Function(symbol_info);
fn->set_debug_info(debug_info);
// TODO(benvanik): set mc
fn->Setup(machine_code, code_size);
*out_function = fn;

8
src/alloy/backend/x64/x64_function.cc
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@ -20,12 +20,18 @@ using namespace alloy::runtime;
X64Function::X64Function(FunctionInfo* symbol_info) :
machine_code_(0), code_size_(0),
GuestFunction(symbol_info) {
}
X64Function::~X64Function() {
}
void X64Function::Setup(void* machine_code, size_t code_size) {
machine_code_ = machine_code;
code_size_ = code_size;
}
int X64Function::AddBreakpointImpl(Breakpoint* breakpoint) {
return 0;
}
@ -35,5 +41,7 @@ int X64Function::RemoveBreakpointImpl(Breakpoint* breakpoint) {
}
int X64Function::CallImpl(ThreadState* thread_state, uint64_t return_address) {
typedef void(*call_t)(ThreadState* thread_state, uint64_t return_address);
((call_t)machine_code_)(thread_state, return_address);
return 0;
}

4
src/alloy/backend/x64/x64_function.h
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@ -25,7 +25,7 @@ public:
X64Function(runtime::FunctionInfo* symbol_info);
virtual ~X64Function();
//void Setup(TranslationContext& ctx);
void Setup(void* machine_code, size_t code_size);
protected:
virtual int AddBreakpointImpl(runtime::Breakpoint* breakpoint);
@ -34,6 +34,8 @@ protected:
uint64_t return_address);
private:
void* machine_code_;
size_t code_size_;
};