[Example Plugin] Updated the example plugin

- It's now linking with libc/libutils/libdynamiclibs
- moved the main.c into the a "src" folder

[Loader]- Added DCFlushRange and DCInvalidateRange
- Improved logging.

Finally we can load the plugin from the sdcard and call it's function!

example_plugin/Makefile

@@ -16,20 +16,24 @@ ifeq ($(strip $(DEVKITPPC)),)
   $(error "Please set DEVKITPPC in your environment. export DEVKITPPC=<path to>devkitPPC")
 endif
 
-WUPSDIR := $(DEVKITPRO)/wups
-GCC_VER := $(shell $(DEVKITPPC)/bin/powerpc-eabi-gcc -dumpversion)
+WUPSDIR  := $(DEVKITPRO)/wups
+GCC_VER  := $(shell $(DEVKITPPC)/bin/powerpc-eabi-gcc -dumpversion)
+PORTLIBS :=	$(DEVKITPRO)/portlibs/ppc
 
 PATH := $(DEVKITPPC)/bin:$(PATH)
 LIB_INC_DIRS := $(DEVKITPPC)/lib/gcc/powerpc-eabi/$(GCC_VER)/include \
-                $(DEVKITPPC)/lib/gcc/powerpc-eabi/$(GCC_VER)/include-fixed \
                 $(DEVKITPPC)/lib/gcc/powerpc-eabi/$(GCC_VER)/include-fixed \
                 $(DEVKITPPC)/powerpc-eabi/include \
+                $(PORTLIBS)/include \
+                $(PORTLIBS)/include/libutils \
                 $(WUPSDIR)/include
                 
 include makefile.mk
 
-LIB_DIRS += $(DEVKITPPC)/lib/gcc/powerpc-eabi/$(GCC_VER)
-LIBS += gcc 
+LIB_DIRS += $(DEVKITPPC)/lib/gcc/powerpc-eabi/$(GCC_VER) \
+            $(DEVKITPPC)/powerpc-eabi/ \
+            $(PORTLIBS)/lib
+LIBS += c dynamiclibs utils
 ###############################################################################
 # Parameters
 
@@ -63,11 +67,11 @@ OBJDUMP := $(PREFIX)objdump
 # --gc-sections: remove unneeded symbols
 # -T: use the linker script specified (to force certain wups sections together)
 # -Map: generate a map file
-LDFLAGS  += --relocatable -s  -u wups_load -u wups_meta \
+LDFLAGS  += --relocatable -s --gc-sections  -u wups_load -u wups_meta \
             -T $(WUPSDIR)/wups.ld \
-            $(patsubst %,-Map %,$(strip $(MAP)))
-LD1FLAGS += --relocatable -s \
-            -T $(WUPSDIR)/wups_elf.ld
+            $(patsubst %,-Map %,$(strip $(MAP))) -wrap malloc -wrap free -wrap memalign -wrap calloc -wrap realloc -wrap malloc_usable_size -wrap _malloc_r -wrap _free_r -wrap _realloc_r -wrap _calloc_r -wrap _memalign_r -wrap _malloc_usable_size_r
+LD1FLAGS += --relocatable -s  \
+            -T $(WUPSDIR)/wups_elf.ld -wrap malloc -wrap free -wrap memalign -wrap calloc -wrap realloc -wrap malloc_usable_size -wrap _malloc_r -wrap _free_r -wrap _realloc_r -wrap _calloc_r -wrap _memalign_r -wrap _malloc_usable_size_r
 
 # -O2: optimise lots
 # -Wall: generate lots of warnings
@@ -88,12 +92,12 @@ LD1FLAGS += --relocatable -s \
 # -memb: enable embedded application specific compilation
 # -ffunction-sections: split up functions so linker can garbage collect
 # -fdata-sections: split up data so linker can garbage collect
-CFLAGS   += -O0 -Wall -x c -std=gnu99 \
-			-nostdinc -ffreestanding \
-            -DGEKKO_U -D__wiiu__ \
-            -mrvl -mcpu=750 -meabi -mhard-float -fshort-wchar -fno-common \
-            -msdata=none -memb -ffunction-sections -fdata-sections
+CFLAGS   += -shared -fPIC -O0 -Wall -x c -std=c11 -DGEKKO_U -D__wiiu__ -mrvl -mcpu=750 -meabi -mhard-float -fshort-wchar -fno-common -msdata=none -memb -ffunction-sections -fdata-sections
 
+CFLAGS += -D__LOGGING__
+
+			
+      
 ifdef DEBUG
 else
   CFLAGS += -DNDEBUG

example_plugin/main.c

@@ -1,28 +0,0 @@
-#include <wups.h>
-#include <string.h>
-
-WUPS_MODULE_NAME("test module");
-WUPS_MODULE_VERSION("v1.0");
-WUPS_MODULE_AUTHOR("Maschell");
-WUPS_MODULE_LICENSE("BSD");
-
-int func(void);
-int func2(void);
-
-static int value = 15;
-
-static int my_func(void)
-{
-   int res = 17;
-   return 4 * value * res;
-}
-
-static int my_func2(void)
-{
-   int res = 15;
-   return 4 * value * res;
-}
-
-
-WUPS_MUST_REPLACE(func,WUPS_LOADER_LIBRARY_GX2, my_func);
-WUPS_MUST_REPLACE(func2,WUPS_LOADER_LIBRARY_COREINIT, my_func2);

example_plugin/makefile.mk

@@ -2,9 +2,10 @@
 # Source files
 
 # The source files to compile.
-SRC      := main.c
+SRC      := src/main.c 
+            
 # Include directories
-INC_DIRS :=
+INC_DIRS := src
 # Library directories
 LIB_DIRS :=
 # The names of libraries to use.

example_plugin/src/main.c

@@ -0,0 +1,31 @@
+#include <wups.h>
+#include <malloc.h>
+#include <string.h>
+#include "dynamic_libs/os_functions.h"
+#include "dynamic_libs/socket_functions.h"
+#include "utils/logger.h"
+
+
+WUPS_MODULE_NAME("test module");
+WUPS_MODULE_VERSION("v1.0");
+WUPS_MODULE_AUTHOR("Maschell");
+WUPS_MODULE_LICENSE("BSD");
+
+int func(void);
+
+
+static int my_func2(void)
+{
+   InitOSFunctionPointers();
+   InitSocketFunctionPointers();
+   
+   log_init();
+
+   //log_printf is not working.
+   log_print("Logging from custom function.\n");
+
+   return 43;
+}
+
+
+WUPS_MUST_REPLACE(func,WUPS_LOADER_LIBRARY_GX2, my_func2);

loader/src/main.cpp

@@ -74,12 +74,17 @@ void loadAndProcessElf(const char * elfPath){
     if(Module_CheckFile(elfPath)){
         Module_Load(elfPath);
         DEBUG_FUNCTION_LINE("Found %d modules!\n",module_list_count);
-        //printInfos();
+        printInfos();
         unsigned char * space = (unsigned char*)0x00910000;
         Module_ListLink(&space);
 
+        printInfos();
+
+        DCFlushRange ((void*)0x00850000,0x00910000-0x00850000);
+        DCInvalidateRange((void*)0x00850000,0x00910000-0x00850000);
+
         if(module_relocations_count == 0){
-            DEBUG_FUNCTION_LINE("We need no relocations, we can call the functions!!\n");
+            DEBUG_FUNCTION_LINE("We need no more relocations, we can call the functions!!\n");
             DEBUG_FUNCTION_LINE("Calling %d functions!\n",module_entries_count);
             for (unsigned int i = 0; i < module_entries_count; i++) {
                 DEBUG_FUNCTION_LINE("--- Function %d ---\n",i);
@@ -87,9 +92,11 @@ void loadAndProcessElf(const char * elfPath){
                     module_entries[i].type == WUPS_LOADER_ENTRY_FUNCTION_MANDATORY){
                     DEBUG_FUNCTION_LINE("Let's call the function: %s \n",module_entries[i].data._function.name);
                     int ret = ( (int (*)(void))((unsigned int*)module_entries[i].data._function.target) )();
-                    DEBUG_FUNCTION_LINE("result:  %d \n",ret);
+                    DEBUG_FUNCTION_LINE("result:  %08X \n",ret);
                 }
             }
+        }else{
+            DEBUG_FUNCTION_LINE("There are still symbols that need to be resolved. Can't call the functions\n");
         }
     }
 

wups.ld

@@ -14,6 +14,12 @@ SECTIONS {
 	.rodata : {
 		*(.rodata*)
 	}
+	.got2 : {
+		*(.got2*)
+	}
+	.sbss : {
+		*(.sbss*)
+	}
 	.bss : {
 		*(.bss*)
 	}