no message

project/xcode/m3.xcodeproj/project.pbxproj

@@ -333,8 +333,9 @@
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
 				DEAD_CODE_STRIPPING = YES;
-				GCC_OPTIMIZATION_LEVEL = s;
+				GCC_OPTIMIZATION_LEVEL = fast;
 				GCC_VERSION = "";
+				OTHER_CFLAGS = "-fomit-frame-pointer";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
 			name = Release;

source/m3_host.c

@@ -128,6 +128,22 @@ i32  m3_fopen  (IM3Module i_module, ccstr_t i_path, ccstr_t i_mode)
 }
 
 
+// HACK: just getting some code running.  stderr pointer needs to be statically placed at init
+i32 m3_getStderr (IM3Module i_module)
+{
+	i32 std = AllocateHeap (& i_module->memory, sizeof (FILE *));
+	i32 offset = AllocateHeap (& i_module->memory, sizeof (i32));
+
+	i32 * ptr = (i32 *) (i_module->memory.wasmPages + offset);
+	* ptr = std;
+	
+	void ** file = (void **) (i_module->memory.wasmPages + std);
+	*file = stderr;
+
+	return offset;
+}
+
+
 // TODO: system calls should be able to return traps. make return first arg.
 
 i32  m3_fread  (void * io_ptr, i32 i_size, i32 i_count, FILE * i_file)
@@ -138,6 +154,14 @@ i32  m3_fread  (void * io_ptr, i32 i_size, i32 i_count, FILE * i_file)
 }
 
 
+i32  m3_fwrite  (void * i_ptr, i32 i_size, i32 i_count, FILE * i_file)
+{
+	FILE * file = * (void **) i_file;
+	
+	return (i32) fwrite (i_ptr, i_size, i_count, file);
+}
+
+
 M3Result EmbedHost (IM3Runtime i_runtime)
 {
 	M3Result result = c_m3Err_none;
@@ -189,4 +213,21 @@ void m3Export (const void * i_data, i32 i_size)
 	fclose (f);
 }
 
+M3Result  m3_LinkCStd  (IM3Module io_module)
+{
+	M3Result result = c_m3Err_none;
+	
+	m3_LinkFunction (io_module, "_printf", 				"v(**)",	(void *) m3_printf);
+
+	m3_LinkFunction (io_module, "_fopen",				"i(M**)",	(void *) m3_fopen);
+	m3_LinkFunction (io_module, "_fread",				"i(*ii*)",	(void *) m3_fread);
+	m3_LinkFunction (io_module, "_fwrite",				"i(*ii*)",	(void *) m3_fwrite);
+
+	m3_LinkFunction (io_module, "_exit",				"v(i)",		(void *) exit);
+	
+	m3_LinkFunction (io_module, "g$_stderr",			"i(M)",		(void *) m3_getStderr);
+
+	catch: return result;
+}
+
 

source/m3_host.h

@@ -9,7 +9,6 @@
 #ifndef m3_host_h
 #define m3_host_h
 
-//#include <inttypes.h>
 #include "m3_core.h"
 
 # if __cplusplus
@@ -37,6 +36,10 @@ extern "C" {
 
 	i32		m3_fopen		(IM3Module i_module, ccstr_t i_path, ccstr_t i_mode);
 
+	
+	M3Result	m3_LinkCStd		(IM3Module io_module);
+	
+	
 # if __cplusplus
 }
 # endif

source/main.cpp

@@ -60,7 +60,6 @@ int  main  (int argc, const char * argv [])
 						
 						if (not result)
 						{
-							m3_LinkFunction (module, "_printf", "v(**)", (void *) m3_printf);
 							m3_LinkFunction (module, "_m3TestOut", "v(iFi)", (void *) m3TestOut);
 							m3_LinkFunction (module, "_m3StdOut", "v(*)", (void *) m3Output);
 							m3_LinkFunction (module, "_m3Export", "v(*i)", (void *) m3Export);
@@ -73,8 +72,9 @@ int  main  (int argc, const char * argv [])
 							m3_LinkFunction (module, "_free",				"v(Mi)",	(void *) m3_free);
 							m3_LinkFunction (module, "_memset",				"*(*ii)",	(void *) m3_memset);
 							m3_LinkFunction (module, "_memcpy",				"*(**i)",	(void *) m3_memcpy);
-							m3_LinkFunction (module, "_fopen",				"i(M**)",	(void *) m3_fopen);
-							m3_LinkFunction (module, "_fread",				"i(*ii*)",	(void *) m3_fread);
+							
+							m3_LinkCStd (module);
+							
 
 							m3_PrintRuntimeInfo (env);