darling-gdb/gas/cgen.h

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/* GAS cgen support.
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Copyright 1998, 1999, 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
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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 2, 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, 59 Temple Place - Suite 330, Boston, MA
02111-1307, 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
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#define GAS_CGEN_MAX_FIXUPS 3
#endif
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/* Struct defining result of gas_cgen_finish_insn. */
typedef struct {
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/* frag containing the insn */
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fragS * frag;
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/* Address of insn in frag. */
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char * addr;
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/* Number of fixups this insn has. */
int num_fixups;
/* Array of fixups. */
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fixS * fixups[GAS_CGEN_MAX_FIXUPS];
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} 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 *);
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/* Call this from md_assemble to initialize the assembler callback. */
extern void gas_cgen_init_parse (void);
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/* 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
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/* 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);
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/* 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 *);
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/* 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 *);
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/* md_apply_fix3 handler */
extern void gas_cgen_md_apply_fix3 (fixS *, valueT *, segT);
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/* tc_gen_reloc handler */
extern arelent *gas_cgen_tc_gen_reloc (asection *, fixS *);
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/* Target supplied routine to lookup a reloc. */
extern bfd_reloc_code_real_type
md_cgen_lookup_reloc (const CGEN_INSN *, const CGEN_OPERAND *, fixS *);
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/* 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 *);
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extern void gas_cgen_md_operand (expressionS *);
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/* Perform any cgen specific initialisation for gas. */
extern void gas_cgen_begin (void);
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#endif /* GAS_CGEN_H */