projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| 88da6820 NC |
1 | /* Declarations for stacks of tokenized Xtensa instructions. |
| 2 | Copyright (C) 2003 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GAS, the GNU Assembler. | |
| 5 | ||
| 6 | GAS 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 | GAS 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 GAS; see the file COPYING. If not, write to the Free | |
| 18 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
| 19 | 02111-1307, USA. */ | |
| 20 | ||
| 21 | #ifndef XTENSA_ISTACK_H | |
| 22 | #define XTENSA_ISTACK_H | |
| 23 | ||
| 24 | #include "xtensa-isa.h" | |
| 25 | ||
| 26 | #define MAX_ISTACK 12 | |
| 27 | #define MAX_INSN_ARGS 6 | |
| 28 | ||
| 29 | enum itype_enum | |
| 30 | { | |
| 31 | ITYPE_INSN, | |
| 32 | ITYPE_LITERAL, | |
| 33 | ITYPE_LABEL | |
| 34 | }; | |
| 35 | ||
| 36 | ||
| 37 | /* Literals have 1 token and no opcode. | |
| 38 | Labels have 1 token and no opcode. */ | |
| 39 | ||
| 40 | typedef struct tinsn_struct | |
| 41 | { | |
| 42 | enum itype_enum insn_type; | |
| 43 | ||
| 44 | bfd_boolean is_specific_opcode; | |
| 45 | xtensa_opcode opcode; /* Literals have an invalid opcode. */ | |
| 46 | int ntok; | |
| 47 | expressionS tok[MAX_INSN_ARGS]; | |
| 48 | } TInsn; | |
| 49 | ||
| 50 | ||
| 51 | /* tinsn_stack: This is a stack of instructions to be placed. */ | |
| 52 | ||
| 53 | typedef struct tinsn_stack | |
| 54 | { | |
| 55 | int ninsn; | |
| 56 | TInsn insn[MAX_ISTACK]; | |
| 57 | } IStack; | |
| 58 | ||
| 59 | ||
| 60 | void istack_init PARAMS ((IStack *)); | |
| 61 | bfd_boolean istack_empty PARAMS ((IStack *)); | |
| 62 | bfd_boolean istack_full PARAMS ((IStack *)); | |
| 63 | TInsn * istack_top PARAMS ((IStack *)); | |
| 64 | void istack_push PARAMS ((IStack *, TInsn *)); | |
| 65 | TInsn * istack_push_space PARAMS ((IStack *)); | |
| 66 | void istack_pop PARAMS ((IStack *)); | |
| 67 | ||
| 68 | /* TInsn utilities. */ | |
| 69 | void tinsn_init PARAMS ((TInsn *)); | |
| 70 | void tinsn_copy PARAMS ((TInsn *, const TInsn *)); | |
| 71 | expressionS *tinsn_get_tok PARAMS ((TInsn *, int)); | |
| 72 | ||
| 73 | #endif /* !XTENSA_ISTACK_H */ |