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8008328: [partfait] Null pointer defererence in hotspot/src/cpu/x86/vm/frame_x86.inline.hpp

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Add guarantee() to oop_result inlines

Reviewed-by: kvn, twisti
This commit is contained in:
Morris Meyer 2013-03-16 07:40:36 -07:00
parent 5b72922058
commit e98f593fb0
1 changed files with 8 additions and 4 deletions
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12
hotspot/src/cpu/x86/vm/frame_x86.inline.hpp
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@ -295,14 +295,18 @@ inline bool frame::volatile_across_calls(Register reg) {
return true;
}
inline oop frame::saved_oop_result(RegisterMap* map) const {
return *((oop*) map->location(rax->as_VMReg()));
oop* result_adr = (oop *)map->location(rax->as_VMReg());
guarantee(result_adr != NULL, "bad register save location");
return (*result_adr);
}
inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) {
*((oop*) map->location(rax->as_VMReg())) = obj;
oop* result_adr = (oop *)map->location(rax->as_VMReg());
guarantee(result_adr != NULL, "bad register save location");
*result_adr = obj;
}
#endif // CPU_X86_VM_FRAME_X86_INLINE_HPP