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Annotation of gcc/bytecode.h, revision 1.1.1.2

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
                     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: 
1.1.1.2 ! root       27: #if WORDS_BIG_ENDIAN
1.1       root       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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