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216 lines
6.4 KiB
C
216 lines
6.4 KiB
C
/* tc-mips.h -- header file for tc-mips.c.
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Copyright (C) 1993-2018 Free Software Foundation, Inc.
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Contributed by the OSF and Ralph Campbell.
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Written by Keith Knowles and Ralph Campbell, working independently.
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Modified for ECOFF support by Ian Lance Taylor of Cygnus Support.
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This file is part of GAS.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef TC_MIPS
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#define TC_MIPS
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struct frag;
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struct expressionS;
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/* Default to big endian. */
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#ifndef TARGET_BYTES_BIG_ENDIAN
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#define TARGET_BYTES_BIG_ENDIAN 1
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#endif
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#define TARGET_ARCH bfd_arch_mips
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#define WORKING_DOT_WORD 1
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#define OLD_FLOAT_READS
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#define REPEAT_CONS_EXPRESSIONS
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#define RELOC_EXPANSION_POSSIBLE
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#define MAX_RELOC_EXPANSION 3
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#define LOCAL_LABELS_FB 1
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#define TC_ADDRESS_BYTES mips_address_bytes
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extern int mips_address_bytes (void);
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/* Maximum symbol offset that can be encoded in a BFD_RELOC_GPREL16
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relocation. */
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#define MAX_GPREL_OFFSET (0x7FF0)
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#define md_relax_frag(segment, fragp, stretch) \
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mips_relax_frag(segment, fragp, stretch)
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extern int mips_relax_frag (asection *, struct frag *, long);
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#define md_undefined_symbol(name) (0)
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#define md_operand(x)
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extern char mips_nop_opcode (void);
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#define NOP_OPCODE (mips_nop_opcode ())
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extern void mips_handle_align (struct frag *);
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#define HANDLE_ALIGN(fragp) mips_handle_align (fragp)
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#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4)
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struct insn_label_list;
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struct mips_segment_info {
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struct insn_label_list *labels;
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unsigned int mips16 : 1;
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unsigned int micromips : 1;
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};
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#define TC_SEGMENT_INFO_TYPE struct mips_segment_info
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/* This field is nonzero if the symbol is the target of a MIPS16 jump. */
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#define TC_SYMFIELD_TYPE int
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/* Tell assembler that we have an itbl_mips.h header file to include. */
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#define HAVE_ITBL_CPU
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/* The endianness of the target format may change based on command
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line arguments. */
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#define TARGET_FORMAT mips_target_format()
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extern const char *mips_target_format (void);
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/* MIPS PIC level. */
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enum mips_pic_level
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{
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/* Do not generate PIC code. */
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NO_PIC,
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/* Generate PIC code as in the SVR4 MIPS ABI. */
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SVR4_PIC,
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/* VxWorks's PIC model. */
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VXWORKS_PIC
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};
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extern enum mips_pic_level mips_pic;
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extern int tc_get_register (int frame);
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#define md_after_parse_args() mips_after_parse_args()
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extern void mips_after_parse_args (void);
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#define tc_init_after_args() mips_init_after_args()
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extern void mips_init_after_args (void);
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#define md_parse_long_option(arg) mips_parse_long_option (arg)
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extern int mips_parse_long_option (const char *);
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#define tc_frob_label(sym) mips_define_label (sym)
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extern void mips_define_label (symbolS *);
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#define tc_new_dot_label(sym) mips_add_dot_label (sym)
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extern void mips_add_dot_label (symbolS *);
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#define tc_frob_file_before_adjust() mips_frob_file_before_adjust ()
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extern void mips_frob_file_before_adjust (void);
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#define tc_frob_file_before_fix() mips_frob_file ()
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extern void mips_frob_file (void);
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#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
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#define tc_frob_file_after_relocs mips_frob_file_after_relocs
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extern void mips_frob_file_after_relocs (void);
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#endif
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#define tc_fix_adjustable(fixp) mips_fix_adjustable (fixp)
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extern int mips_fix_adjustable (struct fix *);
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/* Values passed to md_apply_fix don't include symbol values. */
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#define MD_APPLY_SYM_VALUE(FIX) 0
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/* Global syms must not be resolved, to support ELF shared libraries. */
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#define EXTERN_FORCE_RELOC \
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(OUTPUT_FLAVOR == bfd_target_elf_flavour)
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#define TC_FORCE_RELOCATION(FIX) mips_force_relocation (FIX)
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extern int mips_force_relocation (struct fix *);
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#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \
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(GENERIC_FORCE_RELOCATION_SUB_SAME (FIX, SEG) \
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|| mips_force_relocation (FIX))
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#define TC_FORCE_RELOCATION_ABS(FIX) mips_force_relocation_abs (FIX)
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extern bfd_boolean mips_force_relocation_abs (struct fix *);
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/* Register mask variables. These are set by the MIPS assembly code
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and used by ECOFF and possibly other object file formats. */
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extern unsigned long mips_gprmask;
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extern unsigned long mips_cprmask[4];
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#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
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#define elf_tc_final_processing mips_elf_final_processing
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extern void mips_elf_final_processing (void);
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#endif
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extern void md_mips_end (void);
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#define md_end() md_mips_end()
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extern void mips_pop_insert (void);
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#define md_pop_insert() mips_pop_insert()
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extern void mips_emit_delays (void);
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#define md_flush_pending_output mips_emit_delays
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extern void mips_enable_auto_align (void);
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#define md_elf_section_change_hook() mips_enable_auto_align()
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#ifdef TE_IRIX
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enum dwarf2_format;
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extern enum dwarf2_format mips_dwarf2_format (asection *);
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# define DWARF2_FORMAT(SEC) mips_dwarf2_format (SEC)
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#else
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/* Use GAS' defaults. */
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#endif
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extern int mips_dwarf2_addr_size (void);
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#define DWARF2_ADDR_SIZE(bfd) mips_dwarf2_addr_size ()
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#define DWARF2_FDE_RELOC_SIZE (compact_eh ? 4 : mips_dwarf2_addr_size ())
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#define DWARF2_FDE_RELOC_ENCODING(enc) \
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(enc | (compact_eh ? DW_EH_PE_pcrel : 0))
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#define TARGET_USE_CFIPOP 1
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#define tc_cfi_frame_initial_instructions mips_cfi_frame_initial_instructions
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extern void mips_cfi_frame_initial_instructions (void);
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#define tc_regname_to_dw2regnum tc_mips_regname_to_dw2regnum
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extern int tc_mips_regname_to_dw2regnum (char *regname);
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#define DWARF2_DEFAULT_RETURN_COLUMN 31
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#define DWARF2_CIE_DATA_ALIGNMENT (-4)
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#if defined(OBJ_ELF)
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#define tc_cfi_reloc_for_encoding mips_cfi_reloc_for_encoding
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extern bfd_reloc_code_real_type mips_cfi_reloc_for_encoding (int encoding);
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#define tc_compact_eh_opcode_stop 0x5c
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#define tc_compact_eh_opcode_pad 0x5f
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#endif
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#define DIFF_EXPR_OK
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/* We define DIFF_EXPR_OK because of R_MIPS_PC32, but we have no
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64-bit form for n64 CFIs. */
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#define CFI_DIFF_EXPR_OK 0
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#define CONVERT_SYMBOLIC_ATTRIBUTE(name) mips_convert_symbolic_attribute (name)
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extern int mips_convert_symbolic_attribute (const char *);
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#endif /* TC_MIPS */
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