binutils-gdb/gas/config/tc-mips.h

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/* tc-mips.h -- header file for tc-mips.c.
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Copyright 1993, 1994, 1995, 1996, 1997, 2000, 2001
Free Software Foundation, Inc.
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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 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
/* Maximum symbol offset that can be encoded in a BFD_RELOC_GPREL16
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relocation: */
#define MAX_GPREL_OFFSET (0x7FF0)
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#define md_relax_frag(segment, fragp, stretch) mips_relax_frag(fragp, stretch)
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extern int mips_relax_frag PARAMS ((struct frag *, long));
#define md_undefined_symbol(name) (0)
#define md_operand(x)
* as.h (rs_align_test): New. * frags.c (NOP_OPCODE): Move default from read.c. (MAX_MEM_FOR_RS_ALIGN_CODE): New default. (frag_align_code): New. * frags.h (frag_align_code): Declare. * read.c (NOP_OPCODE): Remove. (do_align): Use frag_align_code. * write.c (NOP_OPCODE): Remove. (get_recorded_alignment): New. (cvt_frag_to_fill): Handle rs_align_test. (relax_segment): Likewise. (subsegs_finish): Align last subseg in section to the section alignment. Use frag_align_code. * write.h (get_recorded_alignment): Declare. * config/obj-coff.c (size_section): Handle rs_align_test. (fill_section, fixup_mdeps): Likewise. (write_object_file): Use frag_align_code. * config/tc-alpha.c (alpha_align): Use frag_align_code. (alpha_handle_align): New. * config/tc-alpha.h (HANDLE_ALIGN): New. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-i386.h (md_do_align): Use frag_align_code. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-ia64.c (ia64_md_do_align): Don't do code alignment. (ia64_handle_align): New. * config/tc-ia64.h (HANDLE_ALIGN): New. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-m32r.c (m32r_do_align): Remove. (m32r_handle_align): New. (fill_insn): Use frag_align_code. * config/tc-m32r.h (md_do_align): Remove. (HANDLE_ALIGN, MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-m88k.c, config/tc-m88k.h: Similarly. * config/tc-mips.c, config/tc-mips.h: Similarly. * config/tc-sh.c (sh_cons_align): Use rs_align_test. (sh_handle_align): Likewise. Handle rs_align_code. (sh_do_align): Remove. * config/tc-sh.h (md_do_align): Remove. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-sparc.c (sparc_cons_align): Use rs_align_test. (sparc_handle_align): Likewise. Handle rs_align_code. * config/tc-sparc.h (md_do_align): Remove. (MAX_MEM_FOR_RS_ALIGN_CODE): New.
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extern void mips_handle_align PARAMS ((struct frag *));
#define HANDLE_ALIGN(fragp) mips_handle_align (fragp)
#define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2)
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/* 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. */
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#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)
Add support for storing local symbols in a small structure to save memory when assembling large files. * as.h: Don't include struc-symbol.h. (symbolS): Add typedef. * symbols.c: Include struc-symbol.h. (local_hash): New static variable. (save_symbol_name): New static function, from symbol_create. (symbol_create): Call save_symbol_name. (local_symbol_count): New static variable. (local_symbol_conversion_count): Likewise. (LOCAL_SYMBOL_CHECK): Define. (local_symbol_make): New static function. (local_symbol_convert): New static function. (colon): Handle local symbols. Create local symbol for local label name. (symbol_table_insert): Handle local symbols. (symbol_find_or_make): Create local symbol for local label name. (symbol_find_base): Check for local symbol. (symbol_append, symbol_insert): Check for local symbols. (symbol_clear_list_pointers, symbol_remove): Likewise. (verify_symbol_chain): Likewise. (copy_symbol_attributes): Likewise. (resolve_symbol_value): Handle local symbols. (resolve_local_symbol): New static function. (resolve_local_symbol_values): New function. (S_GET_VALUE, S_SET_VALUE): Handle local symbols. (S_IS_FUNCTION, S_IS_EXTERNAL, S_IS_WEAK, S_IS_COMMON): Likewise. (S_IS_DEFINED, S_IS_DEBUG, S_IS_LOCAL, S_GET_NAME): Likewise. (S_GET_SEGMENT, S_SET_SEGMENT, S_SET_EXTERNAL): Likewise. (S_CLEAR_EXTERNAL, S_SET_WEAK, S_SET_NAME): Likewise. (symbol_previous, symbol_next): New functions. (symbol_get_value_expression): Likewise. (symbol_set_value_expression): Likewise. (symbol_set_frag, symbol_get_frag): Likewise. (symbol_mark_used, symbol_clear_used, symbol_used_p): Likewise. (symbol_mark_used_in_reloc): Likewise. (symbol_clear_used_in_reloc, symbol_used_in_reloc_p): Likewise. (symbol_mark_mri_common, symbol_clear_mri_common): Likewise. (symbol_mri_common_p): Likewise. (symbol_mark_written, symbol_clear_written): Likewise. (symbol_written_p): Likewise. (symbol_mark_resolved, symbol_resolved_p): Likewise. (symbol_section_p, symbol_equated_p): Likewise. (symbol_constant_p): Likewise. (symbol_get_bfdsym, symbol_set_bfdsym): Likewise. (symbol_get_obj, symbol_set_obj): Likewise. (symbol_get_tc, symbol_set_tc): Likewise. (symbol_begin): Initialize local_hash. (print_symbol_value_1): Handle local symbols. (symbol_print_statistics): Print local symbol statistics. * symbols.h: Include "struc-symbol.h" if not BFD_ASSEMBLER. Declare new symbols.c functions. Move many declarations here from struc-symbol.h. (SYMBOLS_NEED_BACKPOINTERS): Define if needed. * struc-symbol.h (SYMBOLS_NEED_BACKPOINTERS): Don't set. (struct symbol): Move bsym to make it clearly the first field. Remove TARGET_SYMBOL_FIELDS. (symbolS): Don't typedef. (struct broken_word): Remove. (N_TYPE_seg, seg_N_TYPE): Move to symbol.h. (SEGMENT_TO_SYMBOL_TYPE, N_REGISTER): Likewise. (symbol_clear_list_pointers): Likewise. (symbol_insert, symbol_remove): Likewise. (symbol_previous, symbol_append): Likewise. (verify_symbol_chain, verify_symbol_chain_2): Likewise. (struct local_symbol): Define. (local_symbol_converted_p, local_symbol_mark_converted): Define. (local_symbol_resolved_p, local_symbol_mark_resolved): Define. (local_symbol_get_frag, local_symbol_set_frag): Define. (local_symbol_get_real_symbol): Define. (local_symbol_set_real_symbol): Define. Define. * write.c (write_object_file): Call resolve_local_symbol_values. * config/obj-ecoff.h (OBJ_SYMFIELD_TYPE): Define. (TARGET_SYMBOL_FIELDS): Don't define. * config/obj-elf.h (OBJ_SYMFIELD_TYPE): Add local field. If ECOFF_DEBUGGING, add ECOFF fields. (ELF_TARGET_SYMBOL_FIELDS, TARGET_SYMBOL_FIELDS): Don't define. * config/obj-multi.h (struct elf_obj_sy): Add local field. If ECOFF_DEBUGGING, add ECOFF fields. (ELF_TARGET_SYMBOL_FIELDS, TARGET_SYMBOL_FIELDS): Don't define. (ECOFF_DEBUG_TARGET_SYMBOL_FIELDS): Don't define. * config/tc-mcore.h: Don't include struc-symbol.h. (TARGET_SYMBOL_FIELDS): Don't define. (struct mcore_tc_sy): Define. (TC_SYMFIELD_TYPE): Define. * Many files: Use symbolS instead of struct symbol. Use new accessor functions rather than referring to symbolS fields directly. * read.c (s_mri_common): Don't add in value of line_label. * config/tc-mips.c (md_apply_fix): Correct parenthesization when checking for SEC_LINK_ONCE. * config/tc-sh.h (sh_fix_adjustable): Declare.
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extern void mips_define_label PARAMS ((symbolS *));
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#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_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 *));
/* 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_coff_flavour \
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|| 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 */