| 1 | /* Bytecode definitions for GNU C-compiler. |
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| 2 | Copyright (C) 1993, 1994 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of GNU CC. |
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| 5 | |
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| 6 | GNU CC is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | GNU CC is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | GNU General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with GNU CC; see the file COPYING. If not, write to |
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| 18 | the Free Software Foundation, 59 Temple Place - Suite 330, |
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| 19 | Boston, MA 02111-1307, USA. */ |
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| 20 | |
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| 21 | |
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| 22 | extern int output_bytecode; |
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| 23 | extern int stack_depth; |
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| 24 | extern int max_stack_depth; |
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| 25 | |
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| 26 | /* Emit DI constant according to target machine word ordering */ |
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| 27 | |
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| 28 | #define bc_emit_bytecode_DI_const(CST) \ |
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| 29 | { int opcode; \ |
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| 30 | opcode = (WORDS_BIG_ENDIAN \ |
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| 31 | ? TREE_INT_CST_HIGH (CST) \ |
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| 32 | : TREE_INT_CST_LOW (CST)); \ |
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| 33 | bc_emit_bytecode_const ((char *) &opcode, sizeof opcode); \ |
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| 34 | opcode = (WORDS_BIG_ENDIAN \ |
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| 35 | ? TREE_INT_CST_LOW (CST) \ |
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| 36 | : TREE_INT_CST_HIGH (CST)); \ |
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| 37 | bc_emit_bytecode_const ((char *) &opcode, sizeof opcode); \ |
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| 38 | } |
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| 39 | |
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| 40 | extern void bc_expand_expr (); |
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| 41 | extern void bc_output_data_constructor (); |
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| 42 | extern void bc_store_field (); |
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| 43 | extern void bc_load_bit_field (); |
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| 44 | extern void bc_store_bit_field (); |
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| 45 | extern void bc_push_offset_and_size (); |
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| 46 | extern void bc_init_mode_to_code_map (); |
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| 47 | |
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| 48 | /* These are just stubs, so the compiler will compile for targets |
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| 49 | that aren't yet supported by the bytecode generator. */ |
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| 50 | |
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| 51 | #ifndef TARGET_SUPPORTS_BYTECODE |
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| 52 | |
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| 53 | #define MACHINE_SEG_ALIGN 1 |
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| 54 | #define INT_ALIGN 1 |
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| 55 | #define PTR_ALIGN 1 |
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| 56 | #define NAMES_HAVE_UNDERSCORES |
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| 57 | #define BC_NOP (0) |
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| 58 | #define BC_GLOBALIZE_LABEL(FP, NAME) BC_NOP |
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| 59 | #define BC_OUTPUT_COMMON(FP, NAME, SIZE, ROUNDED) BC_NOP |
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| 60 | #define BC_OUTPUT_LOCAL(FP, NAME, SIZE, ROUNDED) BC_NOP |
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| 61 | #define BC_OUTPUT_ALIGN(FP, ALIGN) BC_NOP |
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| 62 | #define BC_OUTPUT_LABEL(FP, NAME) BC_NOP |
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| 63 | #define BC_OUTPUT_SKIP(FP, SIZE) BC_NOP |
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| 64 | #define BC_OUTPUT_LABELREF(FP, NAME) BC_NOP |
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| 65 | #define BC_OUTPUT_FLOAT(FP, VAL) BC_NOP |
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| 66 | #define BC_OUTPUT_DOUBLE(FP, VAL) BC_NOP |
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| 67 | #define BC_OUTPUT_BYTE(FP, VAL) BC_NOP |
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| 68 | #define BC_OUTPUT_FILE ASM_OUTPUT_FILE |
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| 69 | #define BC_OUTPUT_ASCII ASM_OUTPUT_ASCII |
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| 70 | #define BC_OUTPUT_IDENT ASM_OUTPUT_IDENT |
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| 71 | #define BCXSTR(RTX) ((RTX)->bc_label) |
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| 72 | #define BC_WRITE_FILE(FP) BC_NOP |
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| 73 | #define BC_WRITE_SEGSYM(SEGSYM, FP) BC_NOP |
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| 74 | #define BC_WRITE_RELOC_ENTRY(SEGRELOC, FP, OFFSET) BC_NOP |
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| 75 | #define BC_START_BYTECODE_LINE(FP) BC_NOP |
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| 76 | #define BC_WRITE_BYTECODE(SEP, VAL, FP) BC_NOP |
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| 77 | #define BC_WRITE_RTL(R, FP) BC_NOP |
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| 78 | #define BC_EMIT_TRAMPOLINE(TRAMPSEG, CALLINFO) BC_NOP |
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| 79 | #define VALIDATE_STACK BC_NOP |
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| 80 | |
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| 81 | #endif /* !TARGET_SUPPORTS_BYTECODE */ |
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