projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| 252b5132 | 1 | /* GAS cgen support. |
| f7e42eb4 | 2 | Copyright 1998, 1999, 2000 Free Software Foundation, Inc. |
| 252b5132 RH |
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 GAS_CGEN_H | |
| 22 | #define GAS_CGEN_H | |
| 23 | ||
| 24 | /* Opcode table handle. */ | |
| 25 | extern CGEN_CPU_DESC gas_cgen_cpu_desc; | |
| 26 | ||
| 27 | /* Maximum number of fixups in an insn. | |
| 28 | If you need to change this, allow target to override and do so there. */ | |
| 7c3dc350 | 29 | #ifndef GAS_CGEN_MAX_FIXUPS |
| 252b5132 | 30 | #define GAS_CGEN_MAX_FIXUPS 3 |
| 7c3dc350 | 31 | #endif |
| 252b5132 RH |
32 | |
| 33 | /* Struct defining result of gas_cgen_finish_insn. */ | |
| ee515fb7 | 34 | typedef struct { |
| 252b5132 | 35 | /* frag containing the insn */ |
| e972090a | 36 | fragS * frag; |
| 252b5132 | 37 | /* Address of insn in frag. */ |
| e972090a | 38 | char * addr; |
| 252b5132 RH |
39 | /* Number of fixups this insn has. */ |
| 40 | int num_fixups; | |
| 41 | /* Array of fixups. */ | |
| e972090a | 42 | fixS * fixups[GAS_CGEN_MAX_FIXUPS]; |
| 252b5132 RH |
43 | } finished_insnS; |
| 44 | ||
| 45 | /* Callback for operand parsing. | |
| 46 | The result is an error message or NULL for success. | |
| 47 | The parsed value is stored in the bfd_vma *. */ | |
| 48 | extern const char * gas_cgen_parse_operand | |
| 49 | PARAMS ((CGEN_CPU_DESC, enum cgen_parse_operand_type, | |
| 50 | const char **, int, int, enum cgen_parse_operand_result *, | |
| 51 | bfd_vma *)); | |
| 52 | ||
| 53 | /* Call this from md_assemble to initialize the assembler callback. */ | |
| 54 | extern void gas_cgen_init_parse PARAMS ((void)); | |
| 55 | ||
| 56 | extern void gas_cgen_save_fixups PARAMS ((void)); | |
| 57 | extern void gas_cgen_restore_fixups PARAMS ((void)); | |
| 58 | extern void gas_cgen_swap_fixups PARAMS ((void)); | |
| 30a2b4ef | 59 | |
| 252b5132 RH |
60 | /* Add a register to the assembler's hash table. |
| 61 | This makes lets GAS parse registers for us. | |
| 62 | ??? This isn't currently used, but it could be in the future. */ | |
| 63 | extern void cgen_asm_record_register PARAMS ((char *, int)); | |
| 64 | ||
| 65 | /* After CGEN_SYM (assemble_insn) is done, this is called to | |
| 66 | output the insn and record any fixups. */ | |
| 67 | extern void gas_cgen_finish_insn PARAMS ((const CGEN_INSN *, | |
| 68 | CGEN_INSN_BYTES_PTR, unsigned int, | |
| 69 | int, finished_insnS *)); | |
| 70 | ||
| 71 | /* Record a fixup. */ | |
| 72 | extern fixS * gas_cgen_record_fixup PARAMS ((fragS *, int, const CGEN_INSN *, | |
| 73 | int, const CGEN_OPERAND *, int, | |
| 74 | symbolS *, offsetT)); | |
| 75 | extern fixS * gas_cgen_record_fixup_exp PARAMS ((fragS *, int, const CGEN_INSN *, | |
| 76 | int, const CGEN_OPERAND *, int, | |
| 77 | expressionS *)); | |
| 78 | ||
| 79 | /* md_apply_fix3 handler */ | |
| 80 | extern int gas_cgen_md_apply_fix3 PARAMS ((fixS *, valueT *, segT)); | |
| 81 | ||
| 82 | /* tc_gen_reloc handler */ | |
| 83 | extern arelent *gas_cgen_tc_gen_reloc PARAMS ((asection *, fixS *)); | |
| 84 | ||
| 85 | /* Target supplied routine to lookup a reloc. */ | |
| 86 | extern bfd_reloc_code_real_type | |
| 87 | md_cgen_lookup_reloc PARAMS ((const CGEN_INSN *, const CGEN_OPERAND *, | |
| 88 | fixS *)); | |
| 89 | ||
| 90 | /* Optional target supplied routine to record a fixup for an expression. */ | |
| 91 | extern fixS * | |
| 92 | md_cgen_record_fixup_exp PARAMS ((fragS *, int, const CGEN_INSN *, int, | |
| 93 | const CGEN_OPERAND *, int, | |
| 94 | expressionS *)); | |
| 95 | ||
| 96 | #endif /* GAS_CGEN_H */ |