new debugger system (out of process), breakpoint works (not yet continue/stack)

libhl.vcxproj

@@ -251,6 +251,7 @@
     <ClCompile Include="src\std\bytes.c" />
     <ClCompile Include="src\std\cast.c" />
     <ClCompile Include="src\std\date.c" />
+    <ClCompile Include="src\std\debug.c" />
     <ClCompile Include="src\std\error.c" />
     <ClCompile Include="src\std\file.c" />
     <ClCompile Include="src\std\fun.c" />

libhl.vcxproj.filters

@@ -100,6 +100,9 @@
     <ClCompile Include="src\std\process.c">
       <Filter>std</Filter>
     </ClCompile>
+    <ClCompile Include="src\std\debug.c">
+      <Filter>std</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="include\pcre\config.h">

src/debugger.c

@@ -58,17 +58,25 @@ static void hl_debug_loop( hl_module *m ) {
 		send("HLD0",4);
 		send(&flags,4);
 		send(&stack_top,sizeof(void*));
-		send(&m->jit_debug,sizeof(void*));
+		send(&m->jit_code,sizeof(void*));
 		send(&m->codesize,4);
 		send(&m->code->nfunctions,4);
+
 		for(i=0;i<m->code->nfunctions;i++) {
 			hl_function *f = m->code->functions + i;
 			hl_debug_infos *d = m->jit_debug + i;
-			send(&f->nops,4);
-			send(&d->start,4);
-			send(&d->large,1);
-			send(&d->offsets, (d->large ? sizeof(int) : sizeof(unsigned short)) * (f->nops + 1));
+			struct {
+				int nops;
+				int start;
+				unsigned char large;
+			} fdata;
+			fdata.nops = f->nops;
+			fdata.start = d->start;
+			fdata.large = (unsigned char)d->large;
+			send(&fdata,9);
+			send(d->offsets,(d->large ? sizeof(int) : sizeof(unsigned short)) * (f->nops + 1));
 		}
+
 		// wait answer
 		hl_socket_recv(s,&cmd,0,1);
 		hl_socket_close(s);

src/std/debug.c

@@ -0,0 +1,143 @@
+/*
+ * Copyright (C)2005-2016 Haxe Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include <hl.h>
+
+#ifdef HL_WIN
+static HANDLE last_process = NULL;
+static int last_pid = -1;
+static HANDLE OpenPID( int pid ) {
+	if( pid == last_pid )
+		return last_process;
+	CloseHandle(last_process);
+	last_pid = pid;
+	last_process = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pid);
+	return last_process;
+}
+#endif
+
+HL_API void *hl_debug_address( int low, int high ) {
+#	ifdef HL_64
+	return (void*)((int_val)low | (((int_val)high)<<32));
+#	else
+	if( high != 0 )
+		return NULL;
+	return (void*)low;
+#	endif
+}
+
+HL_API bool hl_debug_start( int pid ) {
+#	ifdef HL_WIN
+	last_pid = -1;
+	return (bool)DebugActiveProcess(pid);
+#	else
+	return false;
+#	endif
+}
+
+HL_API bool hl_debug_stop( int pid ) {
+#	ifdef HL_WIN
+	BOOL b = DebugActiveProcessStop(pid);
+	last_pid = -1;
+	CloseHandle(last_process);
+	last_process = NULL;
+	return (bool)b;
+#	else
+	return false;
+#	endif
+}
+
+HL_API bool hl_debug_breakpoint( int pid ) {
+#	ifdef HL_WIN
+	return (bool)DebugBreakProcess(OpenPID(pid));
+#	else
+	return false;
+#	endif
+}
+
+HL_API bool hl_debug_read( int pid, vbyte *addr, vbyte *buffer, int size ) {
+#	ifdef HL_WIN
+	return (bool)ReadProcessMemory(OpenPID(pid),addr,buffer,size,NULL);
+#	else
+	return false;
+#	endif
+}
+
+HL_API bool hl_debug_write( int pid, vbyte *addr, vbyte *buffer, int size ) {
+#	ifdef HL_WIN
+	return (bool)WriteProcessMemory(OpenPID(pid),addr,buffer,size,NULL);
+#	else
+	return false;
+#	endif
+}
+
+HL_API bool hl_debug_flush( int pid, vbyte *addr, int size ) {
+#	ifdef HL_WIN
+	return (bool)FlushInstructionCache(OpenPID(pid),addr,size);
+#	else
+#	endif
+}
+
+HL_API int hl_debug_wait( int pid, int *thread, int timeout ) {
+#	ifdef HL_WIN
+	DEBUG_EVENT e;
+	if( !WaitForDebugEvent(&e,timeout) )
+		return -1;
+	*thread = e.dwThreadId;
+	switch( e.dwDebugEventCode ) {
+	case EXCEPTION_DEBUG_EVENT:
+		switch( e.u.Exception.ExceptionRecord.ExceptionCode ) {
+		case EXCEPTION_BREAKPOINT:
+			return 1;
+		case EXCEPTION_SINGLE_STEP:
+			return 2;
+		default:
+			return 3;
+		}
+	case EXIT_PROCESS_DEBUG_EVENT:
+		return 0;
+	default:
+		ContinueDebugEvent(e.dwProcessId, e.dwThreadId, DBG_CONTINUE);
+		break;
+	}
+	return -1;
+#	else
+	return 0;
+#	endif
+}
+
+HL_API bool hl_debug_resume( int pid, int thread ) {
+#	ifdef HL_WIN
+	return (bool)ContinueDebugEvent(pid, thread, DBG_CONTINUE);
+#	else
+	return false;
+#	endif
+}
+
+DEFINE_PRIM(_BOOL, debug_start, _I32);
+DEFINE_PRIM(_VOID, debug_stop, _I32);
+DEFINE_PRIM(_BOOL, debug_breakpoint, _I32);
+DEFINE_PRIM(_BYTES, debug_address, _I32 _I32);
+DEFINE_PRIM(_BOOL, debug_read, _I32 _BYTES _BYTES _I32);
+DEFINE_PRIM(_BOOL, debug_write, _I32 _BYTES _BYTES _I32);
+DEFINE_PRIM(_BOOL, debug_flush, _I32 _BYTES _I32);
+DEFINE_PRIM(_I32, debug_wait, _I32 _REF(_I32) _I32);
+DEFINE_PRIM(_BOOL, debug_resume, _I32 _I32);