Potential mitigation for Indiana Jones (aarch64)

Only relevant with new GLideN64
libretro · Mar 16, 2019 · 07f0915 · 07f0915
1 parent 548ea00
commit 07f0915
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/mupen64plus-core/src/device/r4300/new_dynarec/arm64/assem_arm64.c b/mupen64plus-core/src/device/r4300/new_dynarec/arm64/assem_arm64.c
@@ -297,6 +297,9 @@ static void set_jump_target(intptr_t addr,uintptr_t target)
   u_int *ptr=(u_int *)addr;
   intptr_t offset=target-(intptr_t)addr;
 
+  if(!ptr) // Indiana Jones is weird
+    return;
+
   if((*ptr&0xFC000000)==0x14000000) {
     assert(offset>=-134217728LL&&offset<134217728LL);
     *ptr=(*ptr&0xFC000000)|((offset>>2)&0x3ffffff);