old-cross-binutils/gas/config/tc-alpha.h

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/* This file is tc-alpha.h
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Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
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Free Software Foundation, Inc.
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Written by Ken Raeburn <raeburn@cygnus.com>.
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_ALPHA
#define TARGET_BYTES_BIG_ENDIAN 0
#define WORKING_DOT_WORD
#define TARGET_ARCH bfd_arch_alpha
#ifdef TE_FreeBSD
#define ELF_TARGET_FORMAT "elf64-alpha-freebsd"
#endif
#ifndef ELF_TARGET_FORMAT
#define ELF_TARGET_FORMAT "elf64-alpha"
#endif
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#define TARGET_FORMAT (OUTPUT_FLAVOR == bfd_target_ecoff_flavour \
? "ecoff-littlealpha" \
: OUTPUT_FLAVOR == bfd_target_elf_flavour \
? ELF_TARGET_FORMAT \
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: OUTPUT_FLAVOR == bfd_target_evax_flavour \
? "vms-alpha" \
: "unknown-format")
#define NEED_LITERAL_POOL
#define REPEAT_CONS_EXPRESSIONS
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struct fix;
struct alpha_reloc_tag;
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extern int alpha_force_relocation PARAMS ((struct fix *));
extern int alpha_fix_adjustable PARAMS ((struct fix *));
extern unsigned long alpha_gprmask, alpha_fprmask;
extern valueT alpha_gp_value;
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#define TC_FORCE_RELOCATION(FIX) alpha_force_relocation (FIX)
#define tc_fix_adjustable(FIX) alpha_fix_adjustable (FIX)
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#define RELOC_REQUIRES_SYMBOL
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/* Values passed to md_apply_fix3 don't include the symbol value. */
#define MD_APPLY_SYM_VALUE(FIX) 0
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#define md_convert_frag(b,s,f) as_fatal ("alpha convert_frag\n")
#define md_estimate_size_before_relax(f,s) \
(as_fatal ("estimate_size_before_relax called"),1)
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#define md_operand(x)
#ifdef OBJ_EVAX
/* This field keeps the symbols position in the link section. */
#define OBJ_SYMFIELD_TYPE valueT
#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) \
fix_new_exp (FRAG, OFF, (int)LEN, EXP, 0, \
LEN == 2 ? BFD_RELOC_16 \
: LEN == 4 ? BFD_RELOC_32 \
: LEN == 8 ? BFD_RELOC_64 \
: BFD_RELOC_ALPHA_LINKAGE);
#endif
#define md_number_to_chars number_to_chars_littleendian
extern int tc_get_register PARAMS ((int frame));
extern void alpha_frob_ecoff_data PARAMS ((void));
#define tc_frob_label(sym) alpha_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 alpha_define_label PARAMS ((symbolS *));
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#define md_cons_align(nbytes) alpha_cons_align (nbytes)
extern void alpha_cons_align PARAMS ((int));
* 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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#define HANDLE_ALIGN(fragp) alpha_handle_align (fragp)
extern void alpha_handle_align PARAMS ((struct frag *));
#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 8)
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#ifdef OBJ_ECOFF
#define tc_frob_file_before_adjust() alpha_frob_file_before_adjust ()
extern void alpha_frob_file_before_adjust PARAMS ((void));
#endif
#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */
#ifdef OBJ_ELF
#define ELF_TC_SPECIAL_SECTIONS \
{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL }, \
{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL },
#define md_elf_section_letter alpha_elf_section_letter
extern int alpha_elf_section_letter PARAMS ((int, char **));
#define md_elf_section_flags alpha_elf_section_flags
extern flagword alpha_elf_section_flags PARAMS ((flagword, int, int));
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#endif
/* Whether to add support for explict !relocation_op!sequence_number. At the
moment, only do this for ELF, though ECOFF could use it as well. */
#ifdef OBJ_ELF
#define RELOC_OP_P
#endif
* config/tc-alpha.c (struct alpha_insn): Make sequence scalar long. (MACRO_LITERAL, MACRO_BASE, MACRO_BYTOFF, MACRO_JSR): Remove. (alpha_macros): Remove occurrences of same. (O_lituse_addr, O_gprel): New. (DUMMY_RELOC_LITUSE_*): New. (s_alpha_ucons, s_alpha_arch): Prototype. (alpha_reloc_op): Construct elements via DEF macro. (ALPHA_RELOC_SEQUENCE_OK): Remove. (struct alpha_reloc_tag): Rename from alpha_literal_tag; rename members to not be literal specific. (next_sequence_num): New. (md_apply_fix3): Cope with missing GPDISP_LO16. Adjust for added/removed BFD relocations. (alpha_force_relocation, alpha_fix_adjustable): Likewise. (alpha_adjust_symtab_relocs): Handle GPDISP relocs as well. (tokenize_arguments): Parse ! relocations properly. (find_macro_match): Delete unused macro argument types. (assemble_insn): Add reloc parameter; emit that instead of the default as appropriate. (get_alpha_reloc_tag): New. Split from ... (emit_insn): ... here. Allocate a reloc tag for GPDISP. (assemble_tokens): Don't search macros if user relocation present. Copy reloc sequence number to insn struct. (emit_ldgp): Remove user reloc handling. (load_expression, emit_lda, emit_ldah, emit_ir_load): Likewise. (emit_loadstore, emit_ldXu, emit_ldil, emit_stX): Likewise. (emit_sextX, emit_division, emit_jsrjmp, emit_retjcr): Likewise. * config/tc-alpha.h (tc_adjust_symtab): Always define. (struct alpha_fix_tag): Name members less literal specific. * gas/alpha/alpha.exp: New file. * gas/alpha/elf-reloc-1.[sd]: New test. * gas/alpha/elf-reloc-2.[sl]: New test. * gas/alpha/elf-reloc-3.[sl]: New test. * gas/alpha/elf-reloc-4.[sd]: New test. * gas/alpha/fp.exp: Remove file. * gas/alpha/fp.s: Output to .data not .rdata. * gas/alpha/fp.d: Adjust to match.
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/* Before the relocations are written, reorder them, so that user
supplied !lituse relocations follow the appropriate !literal
relocations. Also convert the gas-internal relocations to the
appropriate linker relocations. */
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#define tc_frob_file_before_fix() alpha_before_fix ()
extern void alpha_before_fix PARAMS ((void));
/* New fields for supporting explicit relocations (such as !literal to mark
where a pointer is loaded from the global table, and !lituse_base to track
all of the normal uses of that pointer). */
#define TC_FIX_TYPE struct alpha_fix_tag
struct alpha_fix_tag
{
* config/tc-alpha.c (struct alpha_insn): Make sequence scalar long. (MACRO_LITERAL, MACRO_BASE, MACRO_BYTOFF, MACRO_JSR): Remove. (alpha_macros): Remove occurrences of same. (O_lituse_addr, O_gprel): New. (DUMMY_RELOC_LITUSE_*): New. (s_alpha_ucons, s_alpha_arch): Prototype. (alpha_reloc_op): Construct elements via DEF macro. (ALPHA_RELOC_SEQUENCE_OK): Remove. (struct alpha_reloc_tag): Rename from alpha_literal_tag; rename members to not be literal specific. (next_sequence_num): New. (md_apply_fix3): Cope with missing GPDISP_LO16. Adjust for added/removed BFD relocations. (alpha_force_relocation, alpha_fix_adjustable): Likewise. (alpha_adjust_symtab_relocs): Handle GPDISP relocs as well. (tokenize_arguments): Parse ! relocations properly. (find_macro_match): Delete unused macro argument types. (assemble_insn): Add reloc parameter; emit that instead of the default as appropriate. (get_alpha_reloc_tag): New. Split from ... (emit_insn): ... here. Allocate a reloc tag for GPDISP. (assemble_tokens): Don't search macros if user relocation present. Copy reloc sequence number to insn struct. (emit_ldgp): Remove user reloc handling. (load_expression, emit_lda, emit_ldah, emit_ir_load): Likewise. (emit_loadstore, emit_ldXu, emit_ldil, emit_stX): Likewise. (emit_sextX, emit_division, emit_jsrjmp, emit_retjcr): Likewise. * config/tc-alpha.h (tc_adjust_symtab): Always define. (struct alpha_fix_tag): Name members less literal specific. * gas/alpha/alpha.exp: New file. * gas/alpha/elf-reloc-1.[sd]: New test. * gas/alpha/elf-reloc-2.[sl]: New test. * gas/alpha/elf-reloc-3.[sl]: New test. * gas/alpha/elf-reloc-4.[sd]: New test. * gas/alpha/fp.exp: Remove file. * gas/alpha/fp.s: Output to .data not .rdata. * gas/alpha/fp.d: Adjust to match.
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struct fix *next_reloc; /* next !lituse or !gpdisp */
struct alpha_reloc_tag *info; /* other members with same sequence */
};
/* Initialize the TC_FIX_TYPE field. */
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#define TC_INIT_FIX_DATA(FIX) \
do { \
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FIX->tc_fix_data.next_reloc = (struct fix *) 0; \
FIX->tc_fix_data.info = (struct alpha_reloc_tag *) 0; \
} while (0)
/* Work with DEBUG5 to print fields in tc_fix_type. */
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#define TC_FIX_DATA_PRINT(STREAM, FIX) \
do { \
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if (FIX->tc_fix_data.info) \
fprintf (STREAM, "\tinfo = 0x%lx, next_reloc = 0x%lx\n", \
(long) FIX->tc_fix_data.info, \
(long) FIX->tc_fix_data.next_reloc); \
} while (0)
* as.c (debug_type): Init to DEBUG_UNSPECIFIED. * as.h (debug_type): Clarify documentation of the meaning of this variable. * dwarf2dbg.c (DWARF2_LINE_MIN_INSN_LENGTH): Default to 1. (print_stats): Fix parenthesis problem. (now_subseg_size): New. (dwarf2_finish): Use it. If DEBUG_DWARF2, emit bits for .debug_info. (dwarf2_directive_file): Don't set debug_type. (dwarf2_where): Honor DEBUG_DWARF2 first. (dwarf2_emit_insn): Renamed from dwarf2_generate_asm_lineno; do nothing if not emitting dwarf2 debug info, or no work. * dwarf2dbg.h (dwarf2_emit_insn): Update. * ecoff.c (add_file): Turn on DEBUG_ECOFF only if DEBUG_UNSPECIFIED. (ecoff_new_file): Likewise. * read.c (generate_lineno_debug): Kill ecoff hackery. Update commentary wrt dwarf2. * config/tc-alpha.c (alpha_adjust_symtab_relocs): Add ATTRIBUTE_UNUSED as needed. (emit_insn): Call dwarf2_emit_insn. (s_alpha_file): New. (s_alpha_loc): New. (s_alpha_coff_wrapper): Don't handle them. (md_pseudo_table): Update for .file and .loc. * config/tc-alpha.h (DWARF2_LINE_MIN_INSN_LENGTH): New. * config/tc-arm.c (output_inst): Update for dwarf2_emit_insn; don't protect with debug_type. * config/tc-hppa.c (md_assemble): Likewise. * config/tc-m68hc11.c (m68hc11_new_insn): Likewise. * config/tc-mn10300.c (md_assemble): Likewise. * config/tc-sh.c (md_assemble): Likewise. * config/tc-v850.c (md_assemble): Likewise. * config/tc-arm.c (arm_end_of_source): Remove. * config/tc-hppa.c (pa_end_of_source): Remove. * config/tc-m68hc11.c (m68hc11_end_of_source): Remove. * config/tc-mn10300.c (mn10300_finalize): Remove. * config/tc-sh.c (sh_finalize): Remove. * config/tc-v850.c (sh_finalize): Remove. * config/tc-arm.h (md_end): Remove. * config/tc-hppa.h (md_end): Remove. (DWARF2_LINE_MIN_INSN_LENGTH): New. * config/tc-m68hc11.h (md_end): Remove. * config/tc-mn10300.h (md_end): Remove. * config/tc-sh.h (md_end): Remove. * config/tc-v850.h (md_end): Remove. * config/tc-ia64.c (emit_one_bundle): Don't protect dwarf2 bits with debug_type. (md_assemble): Likewise. (ia64_end_of_source): Don't call dwarf2_finish.
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#define DWARF2_LINE_MIN_INSN_LENGTH 4