/* GAS cgen support.
- Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1998-2020 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 2, or (at your option)
+ 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.
+ 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. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#ifndef GAS_CGEN_H
#define GAS_CGEN_H
/* 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 */
+typedef struct
+{
+ /* Frag containing the insn */
fragS * frag;
/* Address of insn in frag. */
char * addr;
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
- PARAMS ((CGEN_CPU_DESC, enum cgen_parse_operand_type,
- const char **, int, int, enum cgen_parse_operand_result *,
- bfd_vma *));
+ (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 PARAMS ((void));
+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
-extern void gas_cgen_save_fixups PARAMS ((void));
-extern void gas_cgen_restore_fixups PARAMS ((void));
-extern void gas_cgen_swap_fixups PARAMS ((void));
-
/* 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 PARAMS ((char *, int));
+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 PARAMS ((const CGEN_INSN *,
- CGEN_INSN_BYTES_PTR, unsigned int,
- int, finished_insnS *));
+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 PARAMS ((fragS *, int, const CGEN_INSN *,
- int, const CGEN_OPERAND *, int,
- symbolS *, offsetT));
-extern fixS * gas_cgen_record_fixup_exp PARAMS ((fragS *, int, const CGEN_INSN *,
- int, const CGEN_OPERAND *, int,
- expressionS *));
+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_fix3 handler */
-extern int gas_cgen_md_apply_fix3 PARAMS ((fixS *, valueT *, segT));
+/* 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 PARAMS ((asection *, fixS *));
+/* 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 PARAMS ((const CGEN_INSN *, const CGEN_OPERAND *,
- fixS *));
+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 PARAMS ((fragS *, int, const CGEN_INSN *, int,
- const CGEN_OPERAND *, int,
- expressionS *));
+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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