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8004728: Add hotspot support for parameter reflection

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Add hotspot support for parameter reflection

Reviewed-by: acorn, jrose, coleenp
This commit is contained in:
Eric Mccorkle 2013-01-08 14:01:36 -05:00 • committed by Coleen Phillimore
parent 89e575df23
commit be968245ec
21 changed files with 567 additions and 273 deletions
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41
hotspot/src/share/vm/oops/constMethod.hpp
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@ -77,9 +77,18 @@
// | (access flags bit tells whether table is present) |
// | (indexed from end of ConstMethod*) |
// |------------------------------------------------------|
// | method parameters elements + length (length last) |
// | (length is u2, elements are u2, u4 structures) |
// | (see class MethodParametersElement) |
// | (access flags bit tells whether table is present) |
// | (indexed from end of ConstMethod*) |
// |------------------------------------------------------|
// | generic signature index (u2) |
// | (indexed from start of constMethodOop) |
// |------------------------------------------------------|
//
// IMPORTANT: If anything gets added here, there need to be changes to
// ensure that ServicabilityAgent doesn't get broken as a result!
// Utitily class decribing elements in checked exceptions table inlined in Method*.
@ -109,6 +118,13 @@ class ExceptionTableElement VALUE_OBJ_CLASS_SPEC {
u2 catch_type_index;
};
// Utility class describing elements in method parameters
class MethodParametersElement VALUE_OBJ_CLASS_SPEC {
public:
u2 name_cp_index;
u4 flags;
};
class ConstMethod : public MetaspaceObj {
friend class VMStructs;
@ -123,7 +139,8 @@ private:
_has_localvariable_table = 4,
_has_exception_table = 8,
_has_generic_signature = 16,
_is_overpass = 32
_has_method_parameters = 32,
_is_overpass = 64
};
// Bit vector of signature
@ -160,6 +177,7 @@ private:
int localvariable_table_length,
int exception_table_length,
int checked_exceptions_length,
int method_parameters_length,
u2 generic_signature_index,
MethodType is_overpass,
int size);
@ -171,6 +189,7 @@ public:
int localvariable_table_length,
int exception_table_length,
int checked_exceptions_length,
int method_parameters_length,
u2 generic_signature_index,
MethodType mt,
TRAPS);
@ -182,7 +201,8 @@ public:
int checked_exceptions_len,
int compressed_line_number_size,
int localvariable_table_len,
int exception_table_len);
int exception_table_len,
int method_parameters_length);
bool has_generic_signature() const
{ return (_flags & _has_generic_signature) != 0; }
@ -199,6 +219,9 @@ public:
bool has_exception_handler() const
{ return (_flags & _has_exception_table) != 0; }
bool has_method_parameters() const
{ return (_flags & _has_method_parameters) != 0; }
MethodType method_type() const {
return ((_flags & _is_overpass) == 0) ? NORMAL : OVERPASS;
}
@ -284,10 +307,11 @@ public:
// Size needed
static int size(int code_size, int compressed_line_number_size,
int local_variable_table_length,
int exception_table_length,
int checked_exceptions_length,
u2 generic_signature_index);
int local_variable_table_length,
int exception_table_length,
int checked_exceptions_length,
int method_parameters_length,
u2 generic_signature_index);
int size() const { return _constMethod_size;}
void set_constMethod_size(int size) { _constMethod_size = size; }
@ -308,6 +332,7 @@ public:
u2* checked_exceptions_length_addr() const;
u2* localvariable_table_length_addr() const;
u2* exception_table_length_addr() const;
u2* method_parameters_length_addr() const;
// checked exceptions
int checked_exceptions_length() const;
@ -321,6 +346,10 @@ public:
int exception_table_length() const;
ExceptionTableElement* exception_table_start() const;
// method parameters table
int method_parameters_length() const;
MethodParametersElement* method_parameters_start() const;
// byte codes
void set_code(address code) {
if (code_size() > 0) {