mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-21 01:12:32 +08:00
d87bef3a7b
The newer update-copyright.py fixes file encoding too, removing cr/lf on binutils/bfdtest2.c and ld/testsuite/ld-cygwin/exe-export.exp, and embedded cr in binutils/testsuite/binutils-all/ar.exp string match.
106 lines
3.6 KiB
C
106 lines
3.6 KiB
C
/* GAS cgen support.
|
|
Copyright (C) 1998-2023 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 *);
|
|
|
|
extern bfd_reloc_code_real_type gas_cgen_pcrel_r_type (bfd_reloc_code_real_type);
|
|
|
|
/* 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 */
|