binutils-gdb/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, 2003
2005
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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, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
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#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;
extern int alpha_force_relocation (struct fix *);
extern int alpha_fix_adjustable (struct fix *);
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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
gas: * cgen.c, cgen.h, tc.h, write.c, config/obj-coff.c * config/tc-a29k.c, config/tc-alpha.c, config/tc-alpha.h * config/tc-arc.c, config/tc-arc.h, config/tc-arm.c * config/tc-arm.h, config/tc-avr.c, config/tc-avr.h * config/tc-cris.c, config/tc-crx.c, config/tc-d10v.c * config/tc-d10v.h, config/tc-d30v.c, config/tc-d30v.h * config/tc-dlx.c, config/tc-dlx.h, config/tc-fr30.h * config/tc-frv.c, config/tc-frv.h, config/tc-h8300.c * config/tc-h8500.c, config/tc-hppa.c, config/tc-hppa.h * config/tc-i370.c, config/tc-i370.h, config/tc-i386.c * config/tc-i386.h, config/tc-i860.c, config/tc-i860.h * config/tc-i960.c, config/tc-i960.h, config/tc-ia64.c * config/tc-ip2k.c, config/tc-ip2k.h, config/tc-iq2000.c * config/tc-iq2000.h, config/tc-m32r.c, config/tc-m32r.h * config/tc-m68hc11.c, config/tc-m68hc11.h, config/tc-m68k.c * config/tc-m68k.h, config/tc-m88k.c, config/tc-maxq.c * config/tc-mcore.c, config/tc-mcore.h, config/tc-mips.c * config/tc-mips.h, config/tc-mmix.c, config/tc-mn10200.c * config/tc-mn10300.c, config/tc-msp430.c, config/tc-ns32k.c * config/tc-openrisc.h, config/tc-or32.c, config/tc-or32.h * config/tc-pdp11.c, config/tc-pj.c, config/tc-pj.h * config/tc-ppc.c, config/tc-ppc.h, config/tc-s390.c * config/tc-s390.h, config/tc-sh64.c, config/tc-sh.c * config/tc-sh.h, config/tc-sparc.c, config/tc-sparc.h * config/tc-tahoe.c, config/tc-tic30.c, config/tc-tic4x.c * config/tc-tic54x.c, config/tc-tic80.c, config/tc-v850.c * config/tc-v850.h, config/tc-vax.c, config/tc-vax.h * config/tc-w65.c, config/tc-xstormy16.c, config/tc-xstormy16.h * config/tc-xtensa.c, config/tc-z8k.c: Replace all instances of the string "_apply_fix3" with "_apply_fix". * po/POTFILES.in, po/gas.pot: Regenerate. bfd: * coff-i386.c: Change md_apply_fix3 to md_apply_fix in comment. cgen: * doc/porting.texi: Change all mention of md_apply_fix3 and gas_cgen_md_apply_fix3 to md_apply_fix and gas_cgen_md_apply_fix respectively.
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/* Values passed to md_apply_fix don't include the symbol value. */
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#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
#ifndef VMS
#define TC_IMPLICIT_LCOMM_ALIGNMENT(size, align) \
do \
{ \
align = 0; \
if (size > 1) \
{ \
addressT temp = 1; \
while ((size & temp) == 0) \
++align, temp <<= 1; \
} \
} \
while (0)
#endif
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#define md_number_to_chars number_to_chars_littleendian
extern int tc_get_register (int);
extern void alpha_frob_ecoff_data (void);
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#define tc_frob_label(sym) alpha_define_label (sym)
extern void alpha_define_label (symbolS *);
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#define md_cons_align(nbytes) alpha_cons_align (nbytes)
extern void alpha_cons_align (int);
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* 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 (struct frag *);
* 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 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 (void);
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#endif
#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs. */
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#ifdef OBJ_ELF
#define md_elf_section_letter alpha_elf_section_letter
extern int alpha_elf_section_letter (int, char **);
#define md_elf_section_flags alpha_elf_section_flags
extern flagword alpha_elf_section_flags (flagword, int, int);
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#endif
/* Whether to add support for explicit !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 (void);
#ifdef OBJ_ELF
#define md_end alpha_elf_md_end
extern void alpha_elf_md_end (void);
#endif
/* 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
{
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 { \
FIX->tc_fix_data.next_reloc = NULL; \
FIX->tc_fix_data.info = NULL; \
} 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 TARGET_USE_CFIPOP 1
#define tc_cfi_frame_initial_instructions alpha_cfi_frame_initial_instructions
extern void alpha_cfi_frame_initial_instructions (void);
#define DWARF2_LINE_MIN_INSN_LENGTH 4
#define DWARF2_DEFAULT_RETURN_COLUMN 26
#define DWARF2_CIE_DATA_ALIGNMENT -8