Mercurial > hg > graal-compiler

comparison src/share/vm/oops/constMethod.hpp @ 7588:f9eb431c3efe

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8006005: Fix constant pool index validation and alignment trap for method parameter reflection Summary: This patch addresses an alignment trap due to the storage format of method parameters data in constMethod. It also adds code to validate constant pool indexes for method parameters data. Reviewed-by: jrose, dholmes Contributed-by: eric.mccorkle@oracle.com
author coleenp
date Mon, 14 Jan 2013 11:01:39 -0500
parents ade95d680b42
children 16fb9f942703
comparison
equal deleted inserted replaced
7586:90a92d5bca17 7588:f9eb431c3efe
120 120
121 // Utility class describing elements in method parameters 121 // Utility class describing elements in method parameters
122 class MethodParametersElement VALUE_OBJ_CLASS_SPEC { 122 class MethodParametersElement VALUE_OBJ_CLASS_SPEC {
123 public: 123 public:
124 u2 name_cp_index; 124 u2 name_cp_index;
125 u4 flags; 125 // This has to happen, otherwise it will cause SIGBUS from a
126 // misaligned u4 on some architectures (ie SPARC)
127 // because MethodParametersElements are only aligned mod 2
128 // within the ConstMethod container u2 flags_hi;
129 u2 flags_hi;
130 u2 flags_lo;
126 }; 131 };
127 132
128 133
129 class ConstMethod : public MetaspaceObj { 134 class ConstMethod : public MetaspaceObj {
130 friend class VMStructs; 135 friend class VMStructs;