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8293691: converting a defined BasicType value to a string should not crash the VM

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Reviewed-by: shade, coleenp, dlong
This commit is contained in:
Johan Sjölen 2022-10-03 12:18:04 +00:00 committed by Coleen Phillimore
parent ccc1d31696
commit f2a32d996a
2 changed files with 12 additions and 4 deletions
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11
src/hotspot/share/utilities/globalDefinitions.cpp
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@ -236,6 +236,17 @@ const char* type2name_tab[T_CONFLICT+1] = {
"*narrowklass*", "*narrowklass*",
"*conflict*" "*conflict*"
}; };
const char* type2name(BasicType t) {
if (t < ARRAY_SIZE(type2name_tab)) {
return type2name_tab[t];
} else if (t == T_ILLEGAL) {
return "*illegal*";
} else {
fatal("invalid type %d", t);
return "invalid type";
}
}
BasicType name2type(const char* name) { BasicType name2type(const char* name) {

5
src/hotspot/share/utilities/globalDefinitions.hpp
View File

@ -786,10 +786,7 @@ extern int type2size[T_CONFLICT+1]; // Map BasicType to result stack ele
extern const char* type2name_tab[T_CONFLICT+1]; // Map a BasicType to a char* extern const char* type2name_tab[T_CONFLICT+1]; // Map a BasicType to a char*
extern BasicType name2type(const char* name); extern BasicType name2type(const char* name);
inline const char* type2name(BasicType t) { const char* type2name(BasicType t);
assert((uint)t < T_CONFLICT + 1, "invalid type");
return type2name_tab[t];
}
inline jlong max_signed_integer(BasicType bt) { inline jlong max_signed_integer(BasicType bt) {
if (bt == T_INT) { if (bt == T_INT) {