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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