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6777083: assert(target != __null,"must not be null")

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Reviewed-by: iveresov, kvn
This commit is contained in:
Tom Rodriguez 2011-04-05 00:31:09 -07:00
parent 642c26950d
commit 1a5a2ecd25
3 changed files with 26 additions and 14 deletions
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10
hotspot/src/share/vm/code/relocInfo.hpp
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@ -703,6 +703,10 @@ class Relocation VALUE_OBJ_CLASS_SPEC {
assert(datalen()==0 || type()==relocInfo::none, "no data here");
}
static bool is_reloc_index(intptr_t index) {
return 0 < index && index < os::vm_page_size();
}
protected:
// Helper functions for pack_data_to() and unpack_data().
@ -1127,6 +1131,12 @@ class external_word_Relocation : public DataRelocation {
return rh;
}
// Some address looking values aren't safe to treat as relocations
// and should just be treated as constants.
static bool can_be_relocated(address target) {
return target != NULL && !is_reloc_index((intptr_t)target);
}
private:
address _target; // address in runtime