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Annotation of gcc/bytecode.h, revision 1.1.1.3

1.1       root        1: /* Bytecode definitions for GNU C-compiler.
1.1.1.2   root        2:    Copyright (C) 1993, 1994 Free Software Foundation, Inc.
1.1       root        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
1.1.1.3 ! root       18: the Free Software Foundation, 59 Temple Place - Suite 330,
        !            19: Boston, MA 02111-1307, USA.  */
1.1       root       20: 
                     21: 
                     22: extern int output_bytecode;
                     23: extern int stack_depth;
                     24: extern int max_stack_depth;
                     25: 
                     26: /* Emit DI constant according to target machine word ordering */
                     27: 
                     28: #define bc_emit_bytecode_DI_const(CST)                                 \
                     29: { int opcode;                                                  \
1.1.1.3 ! root       30:   opcode = (WORDS_BIG_ENDIAN                                   \
        !            31:            ? TREE_INT_CST_HIGH (CST)                           \
        !            32:            : TREE_INT_CST_LOW (CST));                          \
1.1       root       33:   bc_emit_bytecode_const ((char *) &opcode, sizeof opcode);    \
1.1.1.3 ! root       34:   opcode = (WORDS_BIG_ENDIAN                                   \
        !            35:            ? TREE_INT_CST_LOW (CST)                            \
        !            36:            : TREE_INT_CST_HIGH (CST));                         \
1.1       root       37:   bc_emit_bytecode_const ((char *) &opcode, sizeof opcode);    \
                     38: }
                     39: 
                     40: extern void bc_expand_expr ();
                     41: extern void bc_output_data_constructor ();
                     42: extern void bc_store_field ();
                     43: extern void bc_load_bit_field ();
                     44: extern void bc_store_bit_field ();
                     45: extern void bc_push_offset_and_size ();
                     46: extern void bc_init_mode_to_code_map ();
                     47: 
                     48: /* These are just stubs, so the compiler will compile for targets
                     49:    that aren't yet supported by the bytecode generator. */
                     50: 
                     51: #ifndef TARGET_SUPPORTS_BYTECODE
                     52: 
                     53: #define MACHINE_SEG_ALIGN 1
                     54: #define INT_ALIGN 1
                     55: #define PTR_ALIGN 1
                     56: #define NAMES_HAVE_UNDERSCORES
                     57: #define BC_NOP   (0)
                     58: #define BC_GLOBALIZE_LABEL(FP, NAME) BC_NOP
                     59: #define BC_OUTPUT_COMMON(FP, NAME, SIZE, ROUNDED) BC_NOP
                     60: #define BC_OUTPUT_LOCAL(FP, NAME, SIZE, ROUNDED)  BC_NOP
                     61: #define BC_OUTPUT_ALIGN(FP, ALIGN)   BC_NOP
                     62: #define BC_OUTPUT_LABEL(FP, NAME)    BC_NOP
                     63: #define BC_OUTPUT_SKIP(FP, SIZE)     BC_NOP
                     64: #define BC_OUTPUT_LABELREF(FP, NAME) BC_NOP
                     65: #define BC_OUTPUT_FLOAT(FP, VAL)     BC_NOP
                     66: #define BC_OUTPUT_DOUBLE(FP, VAL)    BC_NOP
                     67: #define BC_OUTPUT_BYTE(FP, VAL)      BC_NOP
                     68: #define BC_OUTPUT_FILE ASM_OUTPUT_FILE
                     69: #define BC_OUTPUT_ASCII ASM_OUTPUT_ASCII
                     70: #define BC_OUTPUT_IDENT ASM_OUTPUT_IDENT
                     71: #define BCXSTR(RTX)  ((RTX)->bc_label)
                     72: #define BC_WRITE_FILE(FP)            BC_NOP
                     73: #define BC_WRITE_SEGSYM(SEGSYM, FP)  BC_NOP
                     74: #define BC_WRITE_RELOC_ENTRY(SEGRELOC, FP, OFFSET) BC_NOP
                     75: #define BC_START_BYTECODE_LINE(FP)   BC_NOP
                     76: #define BC_WRITE_BYTECODE(SEP, VAL, FP) BC_NOP
                     77: #define BC_WRITE_RTL(R, FP)          BC_NOP
                     78: #define BC_EMIT_TRAMPOLINE(TRAMPSEG, CALLINFO) BC_NOP
                     79: #define VALIDATE_STACK               BC_NOP
                     80: 
                     81: #endif /* !TARGET_SUPPORTS_BYTECODE */

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