x86/vm/jniTypes_x86.hpp

16  * 2 along with this work; if not, write to the Free Software Foundation,
32 // This file holds platform-dependent routines used to write primitive jni
33 // types to the array of arguments passed into JavaCalls::call
37   // to a java stack slot array to be passed as an argument to JavaCalls:calls.
49   static inline void    put_int2r(jint *from, intptr_t *to)           { *(jint *)(to++) = from[1];
50                                                                         *(jint *)(to  ) = from[0]; }
51   static inline void    put_int2r(jint *from, intptr_t *to, int& pos) { put_int2r(from, to + pos); pos += 2; }
55   // Ints are stored in native format in one JavaCallArgument slot at *to.
56   static inline void    put_int(jint  from, intptr_t *to)           { *(jint *)(to +   0  ) =  from; }
57   static inline void    put_int(jint  from, intptr_t *to, int& pos) { *(jint *)(to + pos++) =  from; }
58   static inline void    put_int(jint *from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = *from; }
62   // *(to+1).
63   static inline void put_long(jlong  from, intptr_t *to) {
64     *(jlong*) (to + 1) = from;
67   static inline void put_long(jlong  from, intptr_t *to, int& pos) {
68     *(jlong*) (to + 1 + pos) = from;
72   static inline void put_long(jlong *from, intptr_t *to, int& pos) {
73     *(jlong*) (to + 1 + pos) = *from;
77   // Longs are stored in big-endian word format in two JavaCallArgument slots at *to.
78   // The high half is in *to and the low half in *(to+1).
79   static inline void    put_long(jlong  from, intptr_t *to)           { put_int2r((jint *)&from, to); }
80   static inline void    put_long(jlong  from, intptr_t *to, int& pos) { put_int2r((jint *)&from, to, pos); }
81   static inline void    put_long(jlong *from, intptr_t *to, int& pos) { put_int2r((jint *) from, to, pos); }
84   // Oops are stored in native format in one JavaCallArgument slot at *to.
85   static inline void    put_obj(oop  from, intptr_t *to)           { *(oop *)(to +   0  ) =  from; }
86   static inline void    put_obj(oop  from, intptr_t *to, int& pos) { *(oop *)(to + pos++) =  from; }
87   static inline void    put_obj(oop *from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = *from; }
89   // Floats are stored in native format in one JavaCallArgument slot at *to.
90   static inline void    put_float(jfloat  from, intptr_t *to)           { *(jfloat *)(to +   0  ) =  from;  }
91   static inline void    put_float(jfloat  from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) =  from; }
92   static inline void    put_float(jfloat *from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = *from; }
98   // slot at *(to+1).
99   static inline void put_double(jdouble  from, intptr_t *to) {
100     *(jdouble*) (to + 1) = from;
103   static inline void put_double(jdouble  from, intptr_t *to, int& pos) {
104     *(jdouble*) (to + 1 + pos) = from;
108   static inline void put_double(jdouble *from, intptr_t *to, int& pos) {
109     *(jdouble*) (to + 1 + pos) = *from;
114   // Doubles are stored in big-endian word format in two JavaCallArgument slots at *to.
115   // The high half is in *to and the low half in *(to+1).
116   static inline void    put_double(jdouble  from, intptr_t *to)           { put_int2r((jint *)&from, to); }
117   static inline void    put_double(jdouble  from, intptr_t *to, int& pos) { put_int2r((jint *)&from, to, pos); }
118   static inline void    put_double(jdouble *from, intptr_t *to, int& pos) { put_int2r((jint *) from, to, pos); }
124   // No need to worry about alignment on Intel.