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

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/* This file is tc-sh.h
Copyright (C) 1993, 94, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
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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)
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. */
#define TC_SH
#define TARGET_BYTES_BIG_ENDIAN 0
#define TARGET_ARCH bfd_arch_sh
#if ANSI_PROTOTYPES
struct segment_info_struct;
struct internal_reloc;
#endif
/* Whether in little endian mode. */
extern int shl;
/* Whether -relax was used. */
extern int sh_relax;
/* Whether -small was used. */
extern int sh_small;
/* Don't try to break words. */
#define WORKING_DOT_WORD
/* We require .long, et. al., to be aligned correctly. */
#define md_cons_align(nbytes) sh_cons_align (nbytes)
extern void sh_cons_align PARAMS ((int));
/* When relaxing, we need to generate relocations for alignment
directives. */
#define HANDLE_ALIGN(frag) sh_handle_align (frag)
extern void sh_handle_align PARAMS ((fragS *));
/* We need to force out some relocations when relaxing. */
#define TC_FORCE_RELOCATION(fix) sh_force_relocation (fix)
extern int sh_force_relocation ();
#ifdef OBJ_ELF
#define obj_fix_adjustable(fixP) sh_fix_adjustable(fixP)
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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struct fix;
extern boolean sh_fix_adjustable PARAMS ((struct fix *));
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#endif
#define IGNORE_NONSTANDARD_ESCAPES
#define LISTING_HEADER (shl ? "Hitachi Super-H GAS Little Endian" : "Hitachi Super-H GAS Big Endian")
#define md_operand(x)
extern const struct relax_type md_relax_table[];
#define TC_GENERIC_RELAX_TABLE md_relax_table
/* We use a special alignment function to insert the correct nop
pattern. */
extern int sh_do_align PARAMS ((int, const char *, int, int));
#define md_do_align(n,fill,len,max,l) if (sh_do_align (n,fill,len,max)) goto l
/* We record, for each section, whether we have most recently output a
CODE reloc or a DATA reloc. */
struct sh_segment_info_type
{
int in_code : 1;
};
#define TC_SEGMENT_INFO_TYPE struct sh_segment_info_type
/* We call a routine to emit a reloc for a label, so that the linker
can align loads and stores without crossing a label. */
extern void sh_frob_label PARAMS ((void));
#define tc_frob_label(sym) sh_frob_label ()
/* We call a routine to flush pending output in order to output a DATA
reloc when required. */
extern void sh_flush_pending_output PARAMS ((void));
#define md_flush_pending_output() sh_flush_pending_output ()
#ifdef BFD_ASSEMBLER
#define tc_frob_file_before_adjust sh_frob_file
#else
#define tc_frob_file sh_frob_file
#endif
extern void sh_frob_file PARAMS ((void));
#ifdef OBJ_COFF
/* COFF specific definitions. */
#define DO_NOT_STRIP 0
/* This macro translates between an internal fix and an coff reloc type */
#define TC_COFF_FIX2RTYPE(fix) ((fix)->fx_r_type)
#define BFD_ARCH TARGET_ARCH
#define COFF_MAGIC (shl ? SH_ARCH_MAGIC_LITTLE : SH_ARCH_MAGIC_BIG)
/* We need to write out relocs which have not been completed. */
#define TC_COUNT_RELOC(fix) ((fix)->fx_addsy != NULL)
#define TC_RELOC_MANGLE(seg, fix, int, paddr) \
sh_coff_reloc_mangle ((seg), (fix), (int), (paddr))
extern void sh_coff_reloc_mangle
PARAMS ((struct segment_info_struct *, struct fix *,
struct internal_reloc *, unsigned int));
#define tc_coff_symbol_emit_hook(a) ; /* not used */
#define NEED_FX_R_TYPE 1
#define TC_KEEP_FX_OFFSET 1
#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
extern int tc_coff_sizemachdep PARAMS ((fragS *));
#ifdef BFD_ASSEMBLER
#define SEG_NAME(SEG) segment_name (SEG)
#else
#define SEG_NAME(SEG) obj_segment_name (SEG)
#endif
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/* We align most sections to a 16 byte boundary. */
#define SUB_SEGMENT_ALIGN(SEG) \
(strncmp (SEG_NAME (SEG), ".stabstr", 8) == 0 \
? 0 \
: ((strncmp (SEG_NAME (SEG), ".stab", 5) == 0 \
|| strcmp (SEG_NAME (SEG), ".ctors") == 0 \
|| strcmp (SEG_NAME (SEG), ".dtors") == 0) \
? 2 \
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: (sh_small ? 2 : 4)))
#endif /* OBJ_COFF */
#ifdef OBJ_ELF
/* ELF specific definitions. */
/* Whether or not the target is big endian */
extern int target_big_endian;
#define TARGET_FORMAT (shl ? "elf32-shl" : "elf32-sh")
bfd: Reinstate bits of sh4 support that got accidentally deleted. Add sh-dsp support. bfd: * archures.c (bfd_mach_sh2, bfd_mach_sh_dsp): New macros. (bfd_mach_sh3_dsp): Likewise. (bfd_mach_sh4): Reinstate. (bfd_default_scan): Recognize 7410, 7708, 7729 and 7750. * bfd-in2.h: Regenerate. * coff-sh.c (struct sh_opcode): flags is no longer short. (USESAS, USESAS_REG, USESR8, SETSAS, SETSAS_REG): New macros. (sh_opcode41, sh_opcode42): Integrate as sh_opcode41. (sh_opcode01, sh_opcode02, sh_opcode40): Add sh-dsp opcodes. (sh_opcode41, sh_opcode4, sh_opcode80): Likewise. (sh_opcodes): No longer const. (sh_dsp_opcodef0, sh_dsp_opcodef): New arrays. (sh_insn_uses_reg): Check for USESAS and USESR8. (sh_insn_sets_reg, sh_insns_conflict): Check for SETSAS. (_bfd_sh_align_load_span): Return early for SH4. Modify sh_opcodes lookup table for sh-dsp / sh3-dsp. Take into account that field b of a parallel processing insn could be mistaken for a separate insn. * cpu-sh.c (arch_info_struct): New array elements for sh2, sh-dsp and sh3-dsp. Reinstate element for sh4. (SH2_NEXT, SH_DSP_NEXT, SH3_DSP_NEXT): New macros. (SH4_NEXT): Reinstate. (SH3_NEXT, SH3E_NEXT): Adjust. * elf-bfd.h (_sh_elf_set_mach_from_flags): Declare. * elf32-sh.c (sh_elf_set_private_flags): New function. (sh_elf_copy_private_data, sh_elf_set_mach_from_flags): Likewise. (sh_elf_merge_private_data): New function. (elf_backend_object_p, bfd_elf32_bfd_set_private_bfd_flags): Define. (bfd_elf32_bfd_copy_private_bfd_data): Define. (bfd_elf32_bfd_merge_private_bfd_data): Change to sh_elf_merge_private_data. gas: * config/tc-sh.c ("elf/sh.h"): Include. (sh_dsp, valid_arch, reg_x, reg_y, reg_efg): New static variables. (md.begin): Initialize target_arch. Only include opcodes in has table that match selected architecture. (parse_reg): Recognize register names for sh-dsp. (parse_at): Recognize post-modify addressing. (get_operands): The leading space is now optional. (get_specific): Remove FDREG_N support. Add support for sh-dsp arguments. Update valid_arch. (build_Mytes): Add support for SDT_REG_N. (find_cooked_opcode): New function, broken out of md_assemble. (assemble_ppi, sh_elf_final_processing): New functions. (md_assemble): Use find_cooked_opcode and assemble_ppi. (md_longopts, md_parse_option): New option: -dsp. * config/tc-sh.h (elf_tc_final_processing): Define. (sh_elf_final_processing): Declare. include/elf: * sh.h: (EF_SH_MACH_MASK, EF_SH_UNKNOWN, EF_SH1, EF_SH2): New macros. (EF_SH3, EF_SH_HAS_DSP, EF_SH_DSP, EF_SH3_DSP): Likewise. (EF_SH_HAS_FP, EF_SH3E, EF_SH4, EF_SH_MERGE_MACH): Likewise. opcodes: * sh-dis.c (print_movxy, print_insn_ddt, print_dsp_reg): New functions. (print_insn_ppi): Likewise. (print_insn_shx): Use info->mach to select appropriate insn set. Add support for sh-dsp. Remove FD_REG_N support. * sh-opc.h (sh_nibble_type): Add new values for sh-dsp support. (sh_arg_type): Likewise. Remove FD_REG_N. (sh_dsp_reg_nums): New enum. (arch_sh1, arch_sh2, arch_sh3, arch_sh3e, arch_sh4): New macros. (arch_sh_dsp, arch_sh3_dsp, arch_sh1_up, arch_sh2_up): Likewise. (arch_sh3_up, arch_sh3e_up, arch_sh4_up, arch_sh_dsp_up): Likewise. (arch_sh3_dsp_up): Likewise. (sh_opcode_info): New field: arch. (sh_table): Split up insn with FD_REG_N into ones with F_REG_N and D_REG_N. Fill in arch field. Add sh-dsp insns.
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#define elf_tc_final_processing sh_elf_final_processing
extern void sh_elf_final_processing PARAMS ((void));
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#endif /* OBJ_ELF */
/* end of tc-sh.h */