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Fixed CALL range check.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@364 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Maarten ter Huurne 2008-08-27 13:29:35 +00:00
parent 9b1ddfcc69
commit ad748bfc05
1 changed files with 6 additions and 12 deletions
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18
Source/Core/Common/Src/x64Emitter.cpp
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@ -307,21 +307,15 @@ namespace Gen
arg.WriteRest();
}
inline s64 myabs(s64 a) {
if (a < 0) return -a;
return a;
}
void CALL(void *fnptr)
{
s64 fn = (s64)fnptr;
s64 c = (s64)code;
if (myabs(fn - c) >= 0x80000000ULL) {
PanicAlert("CALL out of range (%p calls %p)", c, fn);
u64 distance = u64(fnptr) - (u64(code) + 5);
if (distance >= 0x0000000080000000ULL
&& distance < 0xFFFFFFFF80000000ULL) {
PanicAlert("CALL out of range (%p calls %p)", code, fnptr);
}
s32 distance = (s32)(fn - ((u64)code + 5));
Write8(0xE8);
Write32(distance);
Write8(0xE8);
Write32(u32(distance));
}
void x86SetJ8(u8 *j8)