159 lines
5.2 KiB
C
159 lines
5.2 KiB
C
/* tc-mips.h -- header file for tc-mips.c.
|
|
Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
|
|
Contributed by the OSF and Ralph Campbell.
|
|
Written by Keith Knowles and Ralph Campbell, working independently.
|
|
Modified for ECOFF support by Ian Lance Taylor of Cygnus Support.
|
|
|
|
This file is part of GAS.
|
|
|
|
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 TC_MIPS
|
|
|
|
#define TC_MIPS
|
|
|
|
#ifdef ANSI_PROTOTYPES
|
|
struct frag;
|
|
struct expressionS;
|
|
#endif
|
|
|
|
/* Default to big endian. */
|
|
#ifndef TARGET_BYTES_BIG_ENDIAN
|
|
#define TARGET_BYTES_BIG_ENDIAN 1
|
|
#endif
|
|
|
|
#define TARGET_ARCH bfd_arch_mips
|
|
|
|
#define ONLY_STANDARD_ESCAPES
|
|
#define WORKING_DOT_WORD 1
|
|
#define OLD_FLOAT_READS
|
|
#define REPEAT_CONS_EXPRESSIONS
|
|
#define RELOC_EXPANSION_POSSIBLE
|
|
#define MAX_RELOC_EXPANSION 3
|
|
#define LOCAL_LABELS_FB 1
|
|
|
|
/* We don't want to define LOCAL_LABELS_DOLLAR, because $0 is really a
|
|
reference to a register, not a label. */
|
|
#undef LOCAL_LABELS_DOLLAR
|
|
#define LOCAL_LABELS_DOLLAR 0
|
|
|
|
/* Maximum symbol offset that can be encoded in a BFD_RELOC_MIPS_GPREL
|
|
relocation: */
|
|
#define MAX_GPREL_OFFSET (0x7FF4)
|
|
|
|
#define md_relax_frag(fragp, stretch) mips_relax_frag(fragp, stretch)
|
|
extern int mips_relax_frag PARAMS ((struct frag *, long));
|
|
|
|
#define md_undefined_symbol(name) (0)
|
|
#define md_operand(x)
|
|
|
|
/* We permit PC relative difference expressions when generating
|
|
embedded PIC code. */
|
|
#define DIFF_EXPR_OK
|
|
|
|
/* Tell assembler that we have an itbl_mips.h header file to include. */
|
|
#define HAVE_ITBL_CPU
|
|
|
|
/* The endianness of the target format may change based on command
|
|
line arguments. */
|
|
#define TARGET_FORMAT mips_target_format()
|
|
extern const char *mips_target_format PARAMS ((void));
|
|
|
|
struct mips_cl_insn
|
|
{
|
|
unsigned long insn_opcode;
|
|
const struct mips_opcode *insn_mo;
|
|
/* The next two fields are used when generating mips16 code. */
|
|
boolean use_extend;
|
|
unsigned short extend;
|
|
};
|
|
|
|
extern int tc_get_register PARAMS ((int frame));
|
|
|
|
#define tc_init_after_args() mips_init_after_args()
|
|
extern void mips_init_after_args PARAMS ((void));
|
|
|
|
#define md_parse_long_option(arg) mips_parse_long_option (arg)
|
|
extern int mips_parse_long_option PARAMS ((const char *));
|
|
|
|
#define tc_frob_label(sym) mips_define_label (sym)
|
|
extern void mips_define_label PARAMS ((struct symbol *));
|
|
|
|
#define tc_frob_file_before_adjust() mips_frob_file_before_adjust ()
|
|
extern void mips_frob_file_before_adjust PARAMS ((void));
|
|
|
|
#define tc_frob_file() mips_frob_file ()
|
|
extern void mips_frob_file PARAMS ((void));
|
|
|
|
#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
|
|
#define tc_frob_file_after_relocs mips_frob_file_after_relocs
|
|
extern void mips_frob_file_after_relocs PARAMS ((void));
|
|
#endif
|
|
|
|
#define TC_CONS_FIX_NEW cons_fix_new_mips
|
|
extern void cons_fix_new_mips
|
|
PARAMS ((struct frag *, int, unsigned int, struct expressionS *));
|
|
|
|
#define tc_fix_adjustable(fixp) mips_fix_adjustable (fixp)
|
|
extern int mips_fix_adjustable PARAMS ((struct fix *));
|
|
|
|
/* When generating embedded PIC code we must keep PC relative
|
|
relocations. */
|
|
#define TC_FORCE_RELOCATION(fixp) mips_force_relocation (fixp)
|
|
extern int mips_force_relocation PARAMS ((struct fix *));
|
|
|
|
/* md_apply_fix sets fx_done correctly. */
|
|
#define TC_HANDLE_FX_DONE 1
|
|
|
|
/* Register mask variables. These are set by the MIPS assembly code
|
|
and used by ECOFF and possibly other object file formats. */
|
|
extern unsigned long mips_gprmask;
|
|
extern unsigned long mips_cprmask[4];
|
|
|
|
#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
|
|
|
|
#define elf_tc_final_processing mips_elf_final_processing
|
|
extern void mips_elf_final_processing PARAMS ((void));
|
|
|
|
#define ELF_TC_SPECIAL_SECTIONS \
|
|
{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
|
|
{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
|
|
{ ".lit4", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
|
|
{ ".lit8", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
|
|
{ ".ucode", SHT_MIPS_UCODE, 0 }, \
|
|
{ ".mdebug", SHT_MIPS_DEBUG, 0 },
|
|
/* Other special sections not generated by the assembler: .reginfo,
|
|
.liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */
|
|
|
|
#endif
|
|
|
|
extern void md_mips_end PARAMS ((void));
|
|
#define md_end() md_mips_end()
|
|
|
|
#define USE_GLOBAL_POINTER_OPT (OUTPUT_FLAVOR == bfd_target_ecoff_flavour \
|
|
|| OUTPUT_FLAVOR == bfd_target_elf_flavour)
|
|
|
|
extern void mips_pop_insert PARAMS ((void));
|
|
#define md_pop_insert() mips_pop_insert()
|
|
|
|
extern void mips_flush_pending_output PARAMS ((void));
|
|
#define md_flush_pending_output mips_flush_pending_output
|
|
|
|
extern void mips_enable_auto_align PARAMS ((void));
|
|
#define md_elf_section_change_hook() mips_enable_auto_align()
|
|
|
|
#endif /* TC_MIPS */
|