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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [gas/] [cgen.h] - Rev 179
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/* GAS cgen support. Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2007 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. GAS 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 3, or (at your option) any later version. GAS 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 GAS; see the file COPYING. If not, write to the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef GAS_CGEN_H #define GAS_CGEN_H /* Opcode table handle. */ extern CGEN_CPU_DESC gas_cgen_cpu_desc; /* Maximum number of fixups in an insn. If you need to change this, allow target to override and do so there. */ #ifndef GAS_CGEN_MAX_FIXUPS #define GAS_CGEN_MAX_FIXUPS 3 #endif /* Struct defining result of gas_cgen_finish_insn. */ typedef struct { /* frag containing the insn */ fragS * frag; /* Address of insn in frag. */ char * addr; /* Number of fixups this insn has. */ int num_fixups; /* Array of fixups. */ fixS * fixups[GAS_CGEN_MAX_FIXUPS]; } finished_insnS; /* Callback for operand parsing. The result is an error message or NULL for success. The parsed value is stored in the bfd_vma *. */ extern const char * gas_cgen_parse_operand (CGEN_CPU_DESC, enum cgen_parse_operand_type, const char **, int, int, enum cgen_parse_operand_result *, bfd_vma *); /* Call this from md_assemble to initialize the assembler callback. */ extern void gas_cgen_init_parse (void); /* Routines and macros for saving fixup chains. */ extern void gas_cgen_save_fixups (int); extern void gas_cgen_restore_fixups (int); extern void gas_cgen_swap_fixups (int); extern void gas_cgen_initialize_saved_fixups_array (void); #define MAX_SAVED_FIXUP_CHAINS 50 /* Add a register to the assembler's hash table. This makes lets GAS parse registers for us. ??? This isn't currently used, but it could be in the future. */ extern void cgen_asm_record_register (char *, int); /* After CGEN_SYM (assemble_insn) is done, this is called to output the insn and record any fixups. */ extern void gas_cgen_finish_insn (const CGEN_INSN *, CGEN_INSN_BYTES_PTR, unsigned int, int, finished_insnS *); /* Record a fixup. */ extern fixS * gas_cgen_record_fixup (fragS *, int, const CGEN_INSN *, int, const CGEN_OPERAND *, int, symbolS *, offsetT); extern fixS * gas_cgen_record_fixup_exp (fragS *, int, const CGEN_INSN *, int, const CGEN_OPERAND *, int, expressionS *); /* md_apply_fix handler */ extern void gas_cgen_md_apply_fix (fixS *, valueT *, segT); /* tc_gen_reloc handler */ extern arelent *gas_cgen_tc_gen_reloc (asection *, fixS *); /* Target supplied routine to lookup a reloc. */ extern bfd_reloc_code_real_type md_cgen_lookup_reloc (const CGEN_INSN *, const CGEN_OPERAND *, fixS *); /* Optional target supplied routine to record a fixup for an expression. */ extern fixS * md_cgen_record_fixup_exp (fragS *, int, const CGEN_INSN *, int, const CGEN_OPERAND *, int, expressionS *); extern void gas_cgen_md_operand (expressionS *); /* Perform any cgen specific initialisation for gas. */ extern void gas_cgen_begin (void); #endif /* GAS_CGEN_H */
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