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Implement assert and abort

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This commit is contained in:
Maschell 2023-12-03 11:38:44 +01:00
parent 501ef2d595
commit 82d1ce0f1b
3 changed files with 64 additions and 10 deletions
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8
include/wums/meta.h
View File

@ -50,13 +50,9 @@ extern "C" {
WUMS_USE_WUT_STDCPP(); \
WUMS___INIT_WRAPPER(); \
WUMS___FINI_WRAPPER(); \
__EXTERN_C_MACRO void abort(); \
void abort() { \
OSFatal(__module_name ": abort() called. Uncaught exception?"); \
while (1) \
; \
} \
WUMS_META(buildtimestamp, __DATE__ " " __TIME__); \
extern const char wums_meta_module_name[] WUMS_SECTION("meta"); \
const char wums_meta_module_name[] = __module_name; \
extern const char wums_meta_info_dump[] WUMS_SECTION("meta"); \
const char wums_meta_info_dump[] = "(module: " __module_name ";" \
"wums " WUMS_VERSION ";" \

58
libraries/libwums/crt.cpp
View File

@ -1,5 +1,7 @@
#include "wums_reent.h"
#include "wums_thread_specific.h"
#include <cstdio>
#include <cstring>
extern "C" void OSFatal(const char *);
@ -52,3 +54,59 @@ extern "C" void *__attribute__((weak)) wut_get_thread_specific(__wut_thread_spec
void *wut_get_thread_specific(__wut_thread_specific_id id) {
return wums_get_thread_specific(id);
}
extern "C" const char wums_meta_module_name[];
extern "C" void __attribute__((weak)) abort(void);
extern "C" void __attribute__((weak)) __assert_func(const char *file, int line, const char *func, const char *failedexpr);
extern "C" void __attribute__((weak)) __assert(const char *file, int line, const char *failedexpr);
void __attribute__((weak))
abort(void) {
char buffer[512] = {};
strcat(buffer, "Wii U Module System (module: \"");
strcat(buffer, wums_meta_module_name);
strcat(buffer, "\"):\n Abort called. Uncaught exception?");
OSFatal(buffer);
/* NOTREACHED */
while (1)
;
}
void __attribute__((weak))
__assert_func(const char *file,
int line,
const char *func,
const char *failedexpr) {
char tmp[512] = {};
char buffer[512] = {};
snprintf(tmp, sizeof(tmp), "Wii U Module System (module: \"%s\"):\n\n"
"assertion \"%s\" failed:\n\n"
"file \"%s\", line %d%s%s",
wums_meta_module_name, failedexpr, file, line, func ? ", function: " : "", func ? func : "");
// make sure to add a \n every 64 characters to fit on the DRC screen.
char *target_ptr = buffer;
int i = 0, j = 0, lineLength = 0;
while (tmp[i] != '\0' && j < (int) sizeof(buffer) - 2) {
if (tmp[i] == '\n') {
lineLength = 0;
} else if (lineLength >= 64) {
target_ptr[j++] = '\n';
lineLength = 0;
}
target_ptr[j++] = tmp[i++];
lineLength++;
}
OSFatal(buffer);
/* NOTREACHED */
}
void __attribute__((weak))
__assert(const char *file,
int line,
const char *failedexpr) {
__assert_func(file, line, NULL, failedexpr);
/* NOTREACHED */
}

8
libraries/libwums/wums_reent.cpp
View File

@ -9,14 +9,14 @@ typedef uint32_t OSThread;
extern const char wums_meta_info_dump[];
extern void OSFatal(const char *);
extern void OSReport(const char *, ...);
extern "C" void OSFatal(const char *);
extern "C" void OSReport(const char *, ...);
extern OSThread *OSGetCurrentThread();
extern "C" OSThread *OSGetCurrentThread();
typedef void (*OSThreadCleanupCallbackFn)(OSThread *thread, void *stack);
OSThreadCleanupCallbackFn
extern "C" OSThreadCleanupCallbackFn
OSSetThreadCleanupCallback(OSThread *thread,
OSThreadCleanupCallbackFn callback);