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add 3rd crashscreen page that prints stack trace

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This commit is contained in:
someone2639
2021-09-19 12:29:23 -04:00
parent 8806460e72
commit 078ee5f595
1 changed files with 45 additions and 5 deletions
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50
src/game/crash_screen.c
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@@ -15,8 +15,9 @@
#include "printf.h"
enum crashPages {
PAGE_STACK,
PAGE_CONTEXT,
PAGE_LOG,
PAGE_STACKTRACE,
PAGE_COUNT
};
@@ -68,6 +69,7 @@ char *gFpcsrDesc[6] = {
extern u64 osClockRate;
extern far char *parse_map(u32);
extern far void map_data_init(void);
extern far char *find_function_in_stack(u32 *);
struct {
OSThread thread;
@@ -187,7 +189,7 @@ void crash_screen_print_fpcsr(u32 fpcsr) {
}
}
void draw_crash_stack(OSThread *thread, s32 cause)
void draw_crash_context(OSThread *thread, s32 cause)
{
__OSThreadContext *tc = &thread->context;
@@ -200,7 +202,8 @@ void draw_crash_stack(OSThread *thread, s32 cause)
crash_screen_print(30, 50, "AT:%08XH V0:%08XH V1:%08XH", (u32) tc->at, (u32) tc->v0,
(u32) tc->v1);
} else {
crash_screen_print(30, 50, "CRASH AT: %s", parse_map(tc->pc));
char *fname = parse_map(tc->pc);
crash_screen_print(30, 50, "CRASH AT: %s", fname == NULL ? "UNKNOWN" : fname);
}
// crash_screen_print(30, 50, "AT:%08XH V0:%08XH V1:%08XH", (u32) tc->at, (u32) tc->v0, (u32) tc->v1);
crash_screen_print(30, 60, "A0:%08XH A1:%08XH A2:%08XH", (u32) tc->a0, (u32) tc->a1, (u32) tc->a2);
@@ -250,6 +253,42 @@ void draw_crash_log(OSThread *thread, s32 cause)
}
// prints any function pointers it finds in the stack
// format:
// SP address: function name
void draw_stacktrace(OSThread *thread, s32 cause) {
__OSThreadContext *tc = &thread->context;
u32 temp_sp = tc->sp + 0x14;
crash_screen_draw_rect(25, 20, 270, 25);
crash_screen_print(30, 25, "STACK TRACE FROM %08X:", temp_sp);
if ((u32) parse_map == 0x80345678) {
crash_screen_print(30, 35, "CURRFUNC: NONE");
} else {
crash_screen_print(30, 35, "CURRFUNC: %s", parse_map(tc->pc));
}
osWritebackDCacheAll();
for (int i = 0; i < 16; i++) {
if ((u32) find_function_in_stack == 0x80345678) {
crash_screen_print(30, 45 + (i * 10), "STACK TRACE DISABLED");
break;
} else {
char *fname = find_function_in_stack(&temp_sp);
if (fname == NULL || (*(u32*)temp_sp & 0x80000000 == 0)) {
crash_screen_print(30, 45 + (i * 10), "%08X: UNKNOWN", temp_sp);
} else {
crash_screen_print(30, 45 + (i * 10), "%08X: %s", temp_sp, fname);
}
}
}
}
void draw_crash_screen(OSThread *thread)
{
s32 cause;
@@ -291,8 +330,9 @@ void draw_crash_screen(OSThread *thread)
crash_screen_print(15, 10, "Page:%d L/Z: Left R: Right", crashPage);
switch (crashPage)
{
case PAGE_STACK: draw_crash_stack(thread, cause); break;
case PAGE_LOG: draw_crash_log(thread, cause); break;
case PAGE_CONTEXT: draw_crash_context(thread, cause); break;
case PAGE_LOG: draw_crash_log(thread, cause); break;
case PAGE_STACKTRACE: draw_stacktrace(thread, cause); break;
}
osWritebackDCacheAll();