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Diffstat (limited to 'includes/rts/Bytecodes.h')
-rw-r--r-- | includes/rts/Bytecodes.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/includes/rts/Bytecodes.h b/includes/rts/Bytecodes.h new file mode 100644 index 0000000000..4aff907cfd --- /dev/null +++ b/includes/rts/Bytecodes.h @@ -0,0 +1,92 @@ +/* ----------------------------------------------------------------------------- + * + * (c) The GHC Team, 1998-2002 + * + * Bytecode definitions. + * + * ---------------------------------------------------------------------------*/ + +/* -------------------------------------------------------------------------- + * Instructions + * + * Notes: + * o CASEFAIL is generated by the compiler whenever it tests an "irrefutable" + * pattern which fails. If we don't see too many of these, we could + * optimise out the redundant test. + * ------------------------------------------------------------------------*/ + +/* NOTE: + + THIS FILE IS INCLUDED IN HASKELL SOURCES (ghc/compiler/ghci/ByteCodeGen.lhs). + DO NOT PUT C-SPECIFIC STUFF IN HERE! + + I hope that's clear :-) +*/ + +#define bci_STKCHECK 1 +#define bci_PUSH_L 2 +#define bci_PUSH_LL 3 +#define bci_PUSH_LLL 4 +#define bci_PUSH_G 5 +#define bci_PUSH_ALTS 6 +#define bci_PUSH_ALTS_P 7 +#define bci_PUSH_ALTS_N 8 +#define bci_PUSH_ALTS_F 9 +#define bci_PUSH_ALTS_D 10 +#define bci_PUSH_ALTS_L 11 +#define bci_PUSH_ALTS_V 12 +#define bci_PUSH_UBX 13 +#define bci_PUSH_APPLY_N 14 +#define bci_PUSH_APPLY_F 15 +#define bci_PUSH_APPLY_D 16 +#define bci_PUSH_APPLY_L 17 +#define bci_PUSH_APPLY_V 18 +#define bci_PUSH_APPLY_P 19 +#define bci_PUSH_APPLY_PP 20 +#define bci_PUSH_APPLY_PPP 21 +#define bci_PUSH_APPLY_PPPP 22 +#define bci_PUSH_APPLY_PPPPP 23 +#define bci_PUSH_APPLY_PPPPPP 24 +/* #define bci_PUSH_APPLY_PPPPPPP 25 */ +#define bci_SLIDE 26 +#define bci_ALLOC_AP 27 +#define bci_ALLOC_AP_NOUPD 28 +#define bci_ALLOC_PAP 29 +#define bci_MKAP 30 +#define bci_MKPAP 31 +#define bci_UNPACK 32 +#define bci_PACK 33 +#define bci_TESTLT_I 34 +#define bci_TESTEQ_I 35 +#define bci_TESTLT_F 36 +#define bci_TESTEQ_F 37 +#define bci_TESTLT_D 38 +#define bci_TESTEQ_D 39 +#define bci_TESTLT_P 40 +#define bci_TESTEQ_P 41 +#define bci_CASEFAIL 42 +#define bci_JMP 43 +#define bci_CCALL 44 +#define bci_SWIZZLE 45 +#define bci_ENTER 46 +#define bci_RETURN 47 +#define bci_RETURN_P 48 +#define bci_RETURN_N 49 +#define bci_RETURN_F 50 +#define bci_RETURN_D 51 +#define bci_RETURN_L 52 +#define bci_RETURN_V 53 +#define bci_BRK_FUN 54 +/* If you need to go past 255 then you will run into the flags */ + +/* If you need to go below 0x0100 then you will run into the instructions */ +#define bci_FLAG_LARGE_ARGS 0x8000 + +/* If a BCO definitely requires less than this many words of stack, + don't include an explicit STKCHECK insn in it. The interpreter + will check for this many words of stack before running each BCO, + rendering an explicit check unnecessary in the majority of + cases. */ +#define INTERP_STACK_CHECK_THRESH 50 + +/*-------------------------------------------------------------------------*/ |