Mercurial > hg > truffle
comparison src/share/vm/classfile/javaClasses.hpp @ 1042:4926bf2d292f
Merge
author | cfang |
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date | Thu, 29 Oct 2009 08:49:31 -0700 |
parents | 987e948ebbc8 |
children | 389049f3f393 |
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1036:d912f17c1ae4 | 1042:4926bf2d292f |
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901 } | 901 } |
902 | 902 |
903 // Relevant integer codes (keep these in synch. with MethodHandleNatives.Constants): | 903 // Relevant integer codes (keep these in synch. with MethodHandleNatives.Constants): |
904 enum { | 904 enum { |
905 OP_RETYPE_ONLY = 0x0, // no argument changes; straight retype | 905 OP_RETYPE_ONLY = 0x0, // no argument changes; straight retype |
906 OP_CHECK_CAST = 0x1, // ref-to-ref conversion; requires a Class argument | 906 OP_RETYPE_RAW = 0x1, // straight retype, trusted (void->int, Object->T) |
907 OP_PRIM_TO_PRIM = 0x2, // converts from one primitive to another | 907 OP_CHECK_CAST = 0x2, // ref-to-ref conversion; requires a Class argument |
908 OP_REF_TO_PRIM = 0x3, // unboxes a wrapper to produce a primitive | 908 OP_PRIM_TO_PRIM = 0x3, // converts from one primitive to another |
909 OP_PRIM_TO_REF = 0x4, // boxes a primitive into a wrapper (NYI) | 909 OP_REF_TO_PRIM = 0x4, // unboxes a wrapper to produce a primitive |
910 OP_SWAP_ARGS = 0x5, // swap arguments (vminfo is 2nd arg) | 910 OP_PRIM_TO_REF = 0x5, // boxes a primitive into a wrapper (NYI) |
911 OP_ROT_ARGS = 0x6, // rotate arguments (vminfo is displaced arg) | 911 OP_SWAP_ARGS = 0x6, // swap arguments (vminfo is 2nd arg) |
912 OP_DUP_ARGS = 0x7, // duplicates one or more arguments (at TOS) | 912 OP_ROT_ARGS = 0x7, // rotate arguments (vminfo is displaced arg) |
913 OP_DROP_ARGS = 0x8, // remove one or more argument slots | 913 OP_DUP_ARGS = 0x8, // duplicates one or more arguments (at TOS) |
914 OP_COLLECT_ARGS = 0x9, // combine one or more arguments into a varargs (NYI) | 914 OP_DROP_ARGS = 0x9, // remove one or more argument slots |
915 OP_SPREAD_ARGS = 0xA, // expand in place a varargs array (of known size) | 915 OP_COLLECT_ARGS = 0xA, // combine one or more arguments into a varargs (NYI) |
916 OP_FLYBY = 0xB, // operate first on reified argument list (NYI) | 916 OP_SPREAD_ARGS = 0xB, // expand in place a varargs array (of known size) |
917 OP_RICOCHET = 0xC, // run an adapter chain on the return value (NYI) | 917 OP_FLYBY = 0xC, // operate first on reified argument list (NYI) |
918 CONV_OP_LIMIT = 0xD, // limit of CONV_OP enumeration | 918 OP_RICOCHET = 0xD, // run an adapter chain on the return value (NYI) |
919 CONV_OP_LIMIT = 0xE, // limit of CONV_OP enumeration | |
919 | 920 |
920 CONV_OP_MASK = 0xF00, // this nybble contains the conversion op field | 921 CONV_OP_MASK = 0xF00, // this nybble contains the conversion op field |
921 CONV_VMINFO_MASK = 0x0FF, // LSB is reserved for JVM use | 922 CONV_VMINFO_MASK = 0x0FF, // LSB is reserved for JVM use |
922 CONV_VMINFO_SHIFT = 0, // position of bits in CONV_VMINFO_MASK | 923 CONV_VMINFO_SHIFT = 0, // position of bits in CONV_VMINFO_MASK |
923 CONV_OP_SHIFT = 8, // position of bits in CONV_OP_MASK | 924 CONV_OP_SHIFT = 8, // position of bits in CONV_OP_MASK |