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Decompile crashGetStrLen

This commit is contained in:
Ryan Dwyer 2022-04-16 20:11:03 +10:00
parent 4718f32229
commit 7a74aa38b8
1 changed files with 19 additions and 22 deletions
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41
src/lib/crash.c
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@ -449,26 +449,23 @@ bool crashIsReturnAddress(u32 *instruction)
}
#if VERSION < VERSION_NTSC_1_0
GLOBAL_ASM(
glabel func0000c4f0nb
/* c4f0: 90820000 */ lbu $v0,0x0($a0)
/* c4f4: 00001825 */ or $v1,$zero,$zero
/* c4f8: 24840001 */ addiu $a0,$a0,0x1
/* c4fc: 10400009 */ beqz $v0,.NB0000c524
/* c500: 00000000 */ sll $zero,$zero,0x0
/* c504: 24630001 */ addiu $v1,$v1,0x1
.NB0000c508:
/* c508: 28610100 */ slti $at,$v1,0x100
/* c50c: 10200005 */ beqz $at,.NB0000c524
/* c510: 00000000 */ sll $zero,$zero,0x0
/* c514: 90820000 */ lbu $v0,0x0($a0)
/* c518: 24840001 */ addiu $a0,$a0,0x1
/* c51c: 5440fffa */ bnezl $v0,.NB0000c508
/* c520: 24630001 */ addiu $v1,$v1,0x1
.NB0000c524:
/* c524: 03e00008 */ jr $ra
/* c528: 00601025 */ or $v0,$v1,$zero
);
s32 crashGetStrLen(char *str)
{
s32 i = 0;
char c = *str++;
while (c != '\0') {
i++;
if (i >= 256) {
break;
}
c = *str++;
}
return i;
}
#endif
#if VERSION < VERSION_NTSC_1_0
@ -480,9 +477,9 @@ u32 crash0000c52cnb(u32 romaddr)
var8009710cnb = var80097118nb[0];
var80097110nb = (char *)&var80097118nb[1];
var80097114nb = (char *)(func0000c4f0nb(var80097110nb) + (u32)var80097110nb + 1);
var80097114nb = (char *)(crashGetStrLen(var80097110nb) + (u32)var80097110nb + 1);
addr = romaddr + func0000c4f0nb(var80097110nb) + func0000c4f0nb(var80097114nb) + 6;
addr = romaddr + crashGetStrLen(var80097110nb) + crashGetStrLen(var80097114nb) + 6;
if (addr % 4) {
addr = (addr | 3) + 1;