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Annotation of GNUtools/cc/bytecode.h, revision 1.1

1.1     ! root        1: /* Bytecode definitions for GNU C-compiler.
        !             2:    Copyright (C) 1993 Free Software Foundation, Inc.
        !             3: 
        !             4: This file is part of GNU CC.
        !             5: 
        !             6: GNU CC is free software; you can redistribute it and/or modify
        !             7: it under the terms of the GNU General Public License as published by
        !             8: the Free Software Foundation; either version 2, or (at your option)
        !             9: any later version.
        !            10: 
        !            11: GNU CC is distributed in the hope that it will be useful,
        !            12: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            14: GNU General Public License for more details.
        !            15: 
        !            16: You should have received a copy of the GNU General Public License
        !            17: along with GNU CC; see the file COPYING.  If not, write to
        !            18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            19: 
        !            20: 
        !            21: extern int output_bytecode;
        !            22: extern int stack_depth;
        !            23: extern int max_stack_depth;
        !            24: 
        !            25: /* Emit DI constant according to target machine word ordering */
        !            26: 
        !            27: #ifdef WORD_HIGH_ENDIAN
        !            28: 
        !            29: #define bc_emit_bytecode_DI_const(CST)                                 \
        !            30: { int opcode;                                                  \
        !            31:   opcode = TREE_INT_CST_HIGH (CST);                            \
        !            32:   bc_emit_bytecode_const ((char *) &opcode, sizeof opcode);    \
        !            33:   opcode = TREE_INT_CST_LOW (CST);                             \
        !            34:   bc_emit_bytecode_const ((char *) &opcode, sizeof opcode);    \
        !            35: }
        !            36:          
        !            37: #else
        !            38: 
        !            39: #define bc_emit_bytecode_DI_const(CST)                         \
        !            40: { int opcode;                                                  \
        !            41:   opcode = TREE_INT_CST_LOW (CST);                             \
        !            42:   bc_emit_bytecode_const ((char *) &opcode, sizeof opcode);    \
        !            43:   opcode = TREE_INT_CST_HIGH (CST);                            \
        !            44:   bc_emit_bytecode_const ((char *) &opcode, sizeof opcode);    \
        !            45: }
        !            46:          
        !            47: #endif
        !            48: 
        !            49: 
        !            50: extern void bc_expand_expr ();
        !            51: extern void bc_output_data_constructor ();
        !            52: extern void bc_store_field ();
        !            53: extern void bc_load_bit_field ();
        !            54: extern void bc_store_bit_field ();
        !            55: extern void bc_push_offset_and_size ();
        !            56: extern void bc_init_mode_to_code_map ();
        !            57: 
        !            58: /* These are just stubs, so the compiler will compile for targets
        !            59:    that aren't yet supported by the bytecode generator. */
        !            60: 
        !            61: #ifndef TARGET_SUPPORTS_BYTECODE
        !            62: 
        !            63: #define MACHINE_SEG_ALIGN 1
        !            64: #define INT_ALIGN 1
        !            65: #define PTR_ALIGN 1
        !            66: #define NAMES_HAVE_UNDERSCORES
        !            67: #define BC_NOP   (0)
        !            68: #define BC_GLOBALIZE_LABEL(FP, NAME) BC_NOP
        !            69: #define BC_OUTPUT_COMMON(FP, NAME, SIZE, ROUNDED) BC_NOP
        !            70: #define BC_OUTPUT_LOCAL(FP, NAME, SIZE, ROUNDED)  BC_NOP
        !            71: #define BC_OUTPUT_ALIGN(FP, ALIGN)   BC_NOP
        !            72: #define BC_OUTPUT_LABEL(FP, NAME)    BC_NOP
        !            73: #define BC_OUTPUT_SKIP(FP, SIZE)     BC_NOP
        !            74: #define BC_OUTPUT_LABELREF(FP, NAME) BC_NOP
        !            75: #define BC_OUTPUT_FLOAT(FP, VAL)     BC_NOP
        !            76: #define BC_OUTPUT_DOUBLE(FP, VAL)    BC_NOP
        !            77: #define BC_OUTPUT_BYTE(FP, VAL)      BC_NOP
        !            78: #define BC_OUTPUT_FILE ASM_OUTPUT_FILE
        !            79: #define BC_OUTPUT_ASCII ASM_OUTPUT_ASCII
        !            80: #define BC_OUTPUT_IDENT ASM_OUTPUT_IDENT
        !            81: #define BCXSTR(RTX)  ((RTX)->bc_label)
        !            82: #define BC_WRITE_FILE(FP)            BC_NOP
        !            83: #define BC_WRITE_SEGSYM(SEGSYM, FP)  BC_NOP
        !            84: #define BC_WRITE_RELOC_ENTRY(SEGRELOC, FP, OFFSET) BC_NOP
        !            85: #define BC_START_BYTECODE_LINE(FP)   BC_NOP
        !            86: #define BC_WRITE_BYTECODE(SEP, VAL, FP) BC_NOP
        !            87: #define BC_WRITE_RTL(R, FP)          BC_NOP
        !            88: #define BC_EMIT_TRAMPOLINE(TRAMPSEG, CALLINFO) BC_NOP
        !            89: #define VALIDATE_STACK               BC_NOP
        !            90: 
        !            91: #endif /* !TARGET_SUPPORTS_BYTECODE */

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