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https://github.com/wiiu-env/WiiUPluginSystem.git
synced 2024-12-24 17:11:58 +01:00
[Example Plugin] Updated the example plugin to override the OSFatal function.
The new OSFatal function logs the old message, and the calls the "real" OSFatal with a new String. [General] - Added the .sdata section to the wups.ld - Added all library_types to the enum - Updated the wups_loader_entry_t struct to store the needed data - Simplified the WUPS_MUST_REPLACE macro - Removed unneeded stuff
This commit is contained in:
Maschell
parent
10c5eccd93
commit
b6119fde91
@ -11,21 +11,18 @@ WUPS_MODULE_VERSION("v1.0");
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WUPS_MODULE_AUTHOR("Maschell");
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WUPS_MODULE_LICENSE("BSD");
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int func(void);
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static int my_func2(void)
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{
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DECL_FUNCTION(void,OSFatal,char * msg){
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InitOSFunctionPointers();
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InitSocketFunctionPointers();
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log_init();
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//log_printf is not working.
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log_print("Logging from custom function.\n");
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return 43;
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log_print(msg);
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log_print("\n^--- Someone called OSFatal with this string. Lets modify it. Bye bye =(\n");
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real_OSFatal("Does the replacement work?");
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return;
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}
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WUPS_MUST_REPLACE(func,WUPS_LOADER_LIBRARY_GX2, my_func2);
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WUPS_MUST_REPLACE(OSFatal,WUPS_LOADER_LIBRARY_COREINIT, OSFatal);
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4
wups.ld
4
wups.ld
@ -8,7 +8,9 @@ SECTIONS {
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.text : {
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*(.text*)
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}
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.data : {
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.sdata : {
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*(.sdata*)
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}.data : {
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*(.data*)
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}
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.rodata : {
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@ -1,4 +1,4 @@
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/* wups.h
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/* based on blsug.h
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* by Alex Chadwick
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*
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* Copyright (C) 2014, Alex Chadwick
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@ -29,73 +29,123 @@
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#include <stddef.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define WUPS_SECTION(x) __attribute__((__section__ (".wups." x)))
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#define DECL_FUNCTION(res, name, ...) \
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res (* real_ ## name)(__VA_ARGS__) __attribute__((section(".data"))); \
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res my_ ## name(__VA_ARGS__)
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typedef enum wups_loader_entry_type_t {
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WUPS_LOADER_ENTRY_FUNCTION,
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WUPS_LOADER_ENTRY_FUNCTION_MANDATORY,
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WUPS_LOADER_ENTRY_EXPORT
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} wups_loader_entry_type_t;
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typedef enum wups_loader_library_type_t {
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WUPS_LOADER_LIBRARY_AVM,
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WUPS_LOADER_LIBRARY_CAMERA,
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WUPS_LOADER_LIBRARY_COREINIT,
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WUPS_LOADER_LIBRARY_GX2
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WUPS_LOADER_LIBRARY_DC,
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WUPS_LOADER_LIBRARY_DMAE,
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WUPS_LOADER_LIBRARY_DRMAPP,
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WUPS_LOADER_LIBRARY_ERREULA,
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WUPS_LOADER_LIBRARY_GX2,
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WUPS_LOADER_LIBRARY_H264,
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WUPS_LOADER_LIBRARY_LZMA920,
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WUPS_LOADER_LIBRARY_MIC,
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WUPS_LOADER_LIBRARY_NFC,
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WUPS_LOADER_LIBRARY_NIO_PROF,
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WUPS_LOADER_LIBRARY_NLIBCURL,
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WUPS_LOADER_LIBRARY_NLIBNSS,
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WUPS_LOADER_LIBRARY_NLIBNSS2,
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WUPS_LOADER_LIBRARY_NN_AC,
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WUPS_LOADER_LIBRARY_NN_ACP,
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WUPS_LOADER_LIBRARY_NN_ACT,
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WUPS_LOADER_LIBRARY_NN_AOC,
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WUPS_LOADER_LIBRARY_NN_BOSS,
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WUPS_LOADER_LIBRARY_NN_CCR,
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WUPS_LOADER_LIBRARY_NN_CMPT,
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WUPS_LOADER_LIBRARY_NN_DLP,
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WUPS_LOADER_LIBRARY_NN_EC,
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WUPS_LOADER_LIBRARY_NN_FP,
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WUPS_LOADER_LIBRARY_NN_HAI,
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WUPS_LOADER_LIBRARY_NN_HPAD,
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WUPS_LOADER_LIBRARY_NN_IDBE,
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WUPS_LOADER_LIBRARY_NN_NDM,
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WUPS_LOADER_LIBRARY_NN_NETS2,
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WUPS_LOADER_LIBRARY_NN_NFP,
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WUPS_LOADER_LIBRARY_NN_NIM,
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WUPS_LOADER_LIBRARY_NN_OLV,
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WUPS_LOADER_LIBRARY_NN_PDM,
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WUPS_LOADER_LIBRARY_NN_SAVE,
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WUPS_LOADER_LIBRARY_NN_SL,
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WUPS_LOADER_LIBRARY_NN_SPM,
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WUPS_LOADER_LIBRARY_NN_TEMP,
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WUPS_LOADER_LIBRARY_NN_UDS,
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WUPS_LOADER_LIBRARY_NN_VCTL,
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WUPS_LOADER_LIBRARY_NSYSCCR,
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WUPS_LOADER_LIBRARY_NSYSHID,
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WUPS_LOADER_LIBRARY_NSYSKBD,
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WUPS_LOADER_LIBRARY_NSYSNET,
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WUPS_LOADER_LIBRARY_NSYSUHS,
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WUPS_LOADER_LIBRARY_NSYSUVD,
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WUPS_LOADER_LIBRARY_NTAG,
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WUPS_LOADER_LIBRARY_PADSCORE,
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WUPS_LOADER_LIBRARY_PROC_UI,
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WUPS_LOADER_LIBRARY_SND_CORE,
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WUPS_LOADER_LIBRARY_SND_USER,
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WUPS_LOADER_LIBRARY_SNDCORE2,
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WUPS_LOADER_LIBRARY_SNDUSER2,
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WUPS_LOADER_LIBRARY_SWKBD,
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WUPS_LOADER_LIBRARY_SYSAPP,
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WUPS_LOADER_LIBRARY_TCL,
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WUPS_LOADER_LIBRARY_TVE,
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WUPS_LOADER_LIBRARY_UAC,
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WUPS_LOADER_LIBRARY_UAC_RPL,
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WUPS_LOADER_LIBRARY_USB_MIC,
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WUPS_LOADER_LIBRARY_UVC,
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WUPS_LOADER_LIBRARY_UVD,
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WUPS_LOADER_LIBRARY_VPAD,
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WUPS_LOADER_LIBRARY_VPADBASE,
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WUPS_LOADER_LIBRARY_ZLIB125,
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} wups_loader_library_type_t;
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typedef struct wups_loader_entry_t {
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wups_loader_entry_type_t type;
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union {
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struct {
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const char *name;
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const wups_loader_library_type_t library;
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const void *target;
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const char *name; /* Name of the function that will be replaced */
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const wups_loader_library_type_t library; /**/
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const char *my_function_name; /* Function name of your own, new function (my_XXX) */
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const void *call_addr; /* Function name of function, to call the real function.(real_XXX) */
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const void *target; /*Address of our own, new function (my_XXX)*/
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} _function;
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struct {
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const char *name;
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const void *target;
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} _export;
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} data;
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} wups_loader_entry_t;
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#define WUPS_REPLACE(original_func, rpl_type, replace_func) \
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extern const wups_loader_entry_t wups_load_ ## original_func \
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#define WUPS_MUST_REPLACE(x, lib, function_name) WUPS_MUST_REPLACE_EX(real_ ## x, lib, my_ ## x, function_name);
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#define WUPS_MUST_REPLACE_EX(original_func, rpl_type, replace_func, replace_function_name) \
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extern const wups_loader_entry_t wups_load_ ## replace_func \
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WUPS_SECTION("load"); \
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const wups_loader_entry_t wups_load_ ## original_func = { \
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.type = WUPS_LOADER_ENTRY_FUNCTION, \
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.data = { \
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._function = { \
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.name = #original_func, \
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.library = rpl_type, \
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.target = (const void*)&(replace_func) \
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} \
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} \
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}
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#define WUPS_MUST_REPLACE(original_func, rpl_type, replace_func) \
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extern const wups_loader_entry_t wups_load_ ## original_func \
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WUPS_SECTION("load"); \
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const wups_loader_entry_t wups_load_ ## original_func = { \
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const wups_loader_entry_t wups_load_ ## replace_func = { \
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.type = WUPS_LOADER_ENTRY_FUNCTION_MANDATORY, \
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.data = { \
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._function = { \
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.name = #original_func, \
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.name = #replace_function_name, \
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.library = rpl_type, \
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.my_function_name = #replace_func, \
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.call_addr = (const void*)&(original_func), \
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.target = (const void*)&(replace_func) \
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} \
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} \
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}
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#define WUPS_EXPORT(symbol) \
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extern const wups_loader_entry_t wups_export_ ## symbol \
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WUPS_SECTION("load"); \
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const wups_loader_entry_t wups_export_ ## symbol = { \
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.type = WUPS_LOADER_ENTRY_EXPORT, \
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.data = { \
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._export = { \
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.name = #symbol, \
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.target = (const void*)&(symbol) \
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} \
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} \
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}
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#define WUPS_META(id, value) \
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extern const char wups_meta_ ## id [] WUPS_SECTION("meta"); \
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@ -106,17 +156,6 @@ typedef struct wups_loader_entry_t {
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#define WUPS_MODULE_VERSION(x) WUPS_META(version, x)
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#define WUPS_MODULE_LICENSE(x) WUPS_META(license, x)
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/* wups_game_start - first address that is part of the game's executable.
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* wups_game_end - address after the end of the game's executable.
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* Added in WUPS_LIB_VERSION 0.1.1 */
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extern uint8_t wups_game_start[];
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extern uint8_t wups_game_end[];
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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}
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#endif
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