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- /* Bytecode definitions for GNU C-compiler.
- Copyright (C) 1993 Free Software Foundation, Inc.
-
- This file is part of GNU CC.
-
- GNU CC is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- GNU CC is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNU CC; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
- extern int output_bytecode;
- extern int stack_depth;
- extern int max_stack_depth;
-
- /* Emit DI constant according to target machine word ordering */
-
- #ifdef WORD_HIGH_ENDIAN
-
- #define bc_emit_bytecode_DI_const(CST) \
- { int opcode; \
- opcode = TREE_INT_CST_HIGH (CST); \
- bc_emit_bytecode_const ((char *) &opcode, sizeof opcode); \
- opcode = TREE_INT_CST_LOW (CST); \
- bc_emit_bytecode_const ((char *) &opcode, sizeof opcode); \
- }
-
- #else
-
- #define bc_emit_bytecode_DI_const(CST) \
- { int opcode; \
- opcode = TREE_INT_CST_LOW (CST); \
- bc_emit_bytecode_const ((char *) &opcode, sizeof opcode); \
- opcode = TREE_INT_CST_HIGH (CST); \
- bc_emit_bytecode_const ((char *) &opcode, sizeof opcode); \
- }
-
- #endif
-
-
- extern void bc_expand_expr ();
- extern void bc_output_data_constructor ();
- extern void bc_store_field ();
- extern void bc_load_bit_field ();
- extern void bc_store_bit_field ();
- extern void bc_push_offset_and_size ();
- extern void bc_init_mode_to_code_map ();
-
- /* These are just stubs, so the compiler will compile for targets
- that aren't yet supported by the bytecode generator. */
-
- #ifndef TARGET_SUPPORTS_BYTECODE
-
- #define MACHINE_SEG_ALIGN 1
- #define INT_ALIGN 1
- #define PTR_ALIGN 1
- #define NAMES_HAVE_UNDERSCORES
- #define BC_NOP (0)
- #define BC_GLOBALIZE_LABEL(FP, NAME) BC_NOP
- #define BC_OUTPUT_COMMON(FP, NAME, SIZE, ROUNDED) BC_NOP
- #define BC_OUTPUT_LOCAL(FP, NAME, SIZE, ROUNDED) BC_NOP
- #define BC_OUTPUT_ALIGN(FP, ALIGN) BC_NOP
- #define BC_OUTPUT_LABEL(FP, NAME) BC_NOP
- #define BC_OUTPUT_SKIP(FP, SIZE) BC_NOP
- #define BC_OUTPUT_LABELREF(FP, NAME) BC_NOP
- #define BC_OUTPUT_FLOAT(FP, VAL) BC_NOP
- #define BC_OUTPUT_DOUBLE(FP, VAL) BC_NOP
- #define BC_OUTPUT_BYTE(FP, VAL) BC_NOP
- #define BC_OUTPUT_FILE ASM_OUTPUT_FILE
- #define BC_OUTPUT_ASCII ASM_OUTPUT_ASCII
- #define BC_OUTPUT_IDENT ASM_OUTPUT_IDENT
- #define BCXSTR(RTX) ((RTX)->bc_label)
- #define BC_WRITE_FILE(FP) BC_NOP
- #define BC_WRITE_SEGSYM(SEGSYM, FP) BC_NOP
- #define BC_WRITE_RELOC_ENTRY(SEGRELOC, FP, OFFSET) BC_NOP
- #define BC_START_BYTECODE_LINE(FP) BC_NOP
- #define BC_WRITE_BYTECODE(SEP, VAL, FP) BC_NOP
- #define BC_WRITE_RTL(R, FP) BC_NOP
- #define BC_EMIT_TRAMPOLINE(TRAMPSEG, CALLINFO) BC_NOP
- #define VALIDATE_STACK BC_NOP
-
- #endif /* !TARGET_SUPPORTS_BYTECODE */
-