mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
221 lines
6.5 KiB
C
221 lines
6.5 KiB
C
/* tc-mips.h -- header file for tc-mips.c.
|
|
Copyright (C) 1993-2021 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 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 TC_MIPS
|
|
#define TC_MIPS
|
|
|
|
struct frag;
|
|
struct expressionS;
|
|
|
|
/* Default to big endian. */
|
|
#ifndef TARGET_BYTES_BIG_ENDIAN
|
|
#define TARGET_BYTES_BIG_ENDIAN 1
|
|
#endif
|
|
|
|
#define TARGET_ARCH bfd_arch_mips
|
|
|
|
#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
|
|
|
|
#define TC_ADDRESS_BYTES mips_address_bytes
|
|
extern int mips_address_bytes (void);
|
|
|
|
/* Maximum symbol offset that can be encoded in a BFD_RELOC_GPREL16
|
|
relocation. */
|
|
#define MAX_GPREL_OFFSET (0x7FF0)
|
|
|
|
#define md_relax_frag(segment, fragp, stretch) \
|
|
mips_relax_frag(segment, fragp, stretch)
|
|
extern int mips_relax_frag (asection *, struct frag *, long);
|
|
|
|
#define md_undefined_symbol(name) (0)
|
|
#define md_operand(x)
|
|
|
|
extern char mips_nop_opcode (void);
|
|
#define NOP_OPCODE (mips_nop_opcode ())
|
|
|
|
extern void mips_handle_align (struct frag *);
|
|
#define HANDLE_ALIGN(fragp) mips_handle_align (fragp)
|
|
|
|
#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4)
|
|
|
|
struct insn_label_list;
|
|
struct mips_segment_info {
|
|
struct insn_label_list *labels;
|
|
unsigned int mips16 : 1;
|
|
unsigned int micromips : 1;
|
|
};
|
|
#define TC_SEGMENT_INFO_TYPE struct mips_segment_info
|
|
|
|
/* This field is nonzero if the symbol is the target of a MIPS16 jump. */
|
|
#define TC_SYMFIELD_TYPE int
|
|
|
|
/* 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 (void);
|
|
|
|
/* MIPS PIC level. */
|
|
|
|
enum mips_pic_level
|
|
{
|
|
/* Do not generate PIC code. */
|
|
NO_PIC,
|
|
|
|
/* Generate PIC code as in the SVR4 MIPS ABI. */
|
|
SVR4_PIC,
|
|
|
|
/* VxWorks's PIC model. */
|
|
VXWORKS_PIC
|
|
};
|
|
|
|
extern enum mips_pic_level mips_pic;
|
|
|
|
extern int tc_get_register (int frame);
|
|
|
|
#define md_after_parse_args() mips_after_parse_args()
|
|
extern void mips_after_parse_args (void);
|
|
|
|
#define tc_init_after_args() mips_init_after_args()
|
|
extern void mips_init_after_args (void);
|
|
|
|
#define md_parse_long_option(arg) mips_parse_long_option (arg)
|
|
extern int mips_parse_long_option (const char *);
|
|
|
|
#define tc_frob_label(sym) mips_define_label (sym)
|
|
extern void mips_define_label (symbolS *);
|
|
|
|
#define tc_new_dot_label(sym) mips_add_dot_label (sym)
|
|
extern void mips_add_dot_label (symbolS *);
|
|
|
|
#define tc_frob_file_before_adjust() mips_frob_file_before_adjust ()
|
|
extern void mips_frob_file_before_adjust (void);
|
|
|
|
#define tc_frob_file_before_fix() mips_frob_file ()
|
|
extern void mips_frob_file (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 (void);
|
|
#endif
|
|
|
|
#ifdef TE_IRIX
|
|
#define tc_frob_symbol(sym, punt) mips_frob_symbol (sym)
|
|
extern void mips_frob_symbol (symbolS *);
|
|
#endif
|
|
|
|
#define tc_fix_adjustable(fixp) mips_fix_adjustable (fixp)
|
|
extern int mips_fix_adjustable (struct fix *);
|
|
|
|
/* Values passed to md_apply_fix don't include symbol values. */
|
|
#define MD_APPLY_SYM_VALUE(FIX) 0
|
|
|
|
/* Global syms must not be resolved, to support ELF shared libraries. */
|
|
#define EXTERN_FORCE_RELOC \
|
|
(OUTPUT_FLAVOR == bfd_target_elf_flavour)
|
|
|
|
#define TC_FORCE_RELOCATION(FIX) mips_force_relocation (FIX)
|
|
extern int mips_force_relocation (struct fix *);
|
|
|
|
#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \
|
|
(GENERIC_FORCE_RELOCATION_SUB_SAME (FIX, SEG) \
|
|
|| mips_force_relocation (FIX))
|
|
|
|
#define TC_FORCE_RELOCATION_ABS(FIX) mips_force_relocation_abs (FIX)
|
|
extern bfd_boolean mips_force_relocation_abs (struct fix *);
|
|
|
|
/* 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 (void);
|
|
|
|
#endif
|
|
|
|
extern void md_mips_end (void);
|
|
#define md_end() md_mips_end()
|
|
|
|
extern void mips_pop_insert (void);
|
|
#define md_pop_insert() mips_pop_insert()
|
|
|
|
extern void mips_emit_delays (void);
|
|
#define md_flush_pending_output mips_emit_delays
|
|
|
|
extern void mips_enable_auto_align (void);
|
|
#define md_elf_section_change_hook() mips_enable_auto_align()
|
|
|
|
#ifdef TE_IRIX
|
|
enum dwarf2_format;
|
|
extern enum dwarf2_format mips_dwarf2_format (asection *);
|
|
# define DWARF2_FORMAT(SEC) mips_dwarf2_format (SEC)
|
|
#else
|
|
/* Use GAS' defaults. */
|
|
#endif
|
|
|
|
extern int mips_dwarf2_addr_size (void);
|
|
#define DWARF2_ADDR_SIZE(bfd) mips_dwarf2_addr_size ()
|
|
#define DWARF2_FDE_RELOC_SIZE (compact_eh ? 4 : mips_dwarf2_addr_size ())
|
|
#define DWARF2_FDE_RELOC_ENCODING(enc) \
|
|
(enc | (compact_eh ? DW_EH_PE_pcrel : 0))
|
|
|
|
#define TARGET_USE_CFIPOP 1
|
|
|
|
#define tc_cfi_frame_initial_instructions mips_cfi_frame_initial_instructions
|
|
extern void mips_cfi_frame_initial_instructions (void);
|
|
|
|
#define tc_regname_to_dw2regnum tc_mips_regname_to_dw2regnum
|
|
extern int tc_mips_regname_to_dw2regnum (char *regname);
|
|
|
|
#define DWARF2_DEFAULT_RETURN_COLUMN 31
|
|
#define DWARF2_CIE_DATA_ALIGNMENT (-4)
|
|
|
|
#if defined(OBJ_ELF)
|
|
|
|
#define tc_cfi_reloc_for_encoding mips_cfi_reloc_for_encoding
|
|
extern bfd_reloc_code_real_type mips_cfi_reloc_for_encoding (int encoding);
|
|
|
|
#define tc_compact_eh_opcode_stop 0x5c
|
|
#define tc_compact_eh_opcode_pad 0x5f
|
|
|
|
#endif
|
|
#define DIFF_EXPR_OK
|
|
/* We define DIFF_EXPR_OK because of R_MIPS_PC32, but we have no
|
|
64-bit form for n64 CFIs. */
|
|
#define CFI_DIFF_EXPR_OK 0
|
|
|
|
#define CONVERT_SYMBOLIC_ATTRIBUTE(name) mips_convert_symbolic_attribute (name)
|
|
extern int mips_convert_symbolic_attribute (const char *);
|
|
|
|
#endif /* TC_MIPS */
|