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Diffstat (limited to 'gas/config/tc-ia64.h')
| -rw-r--r-- | gas/config/tc-ia64.h | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/gas/config/tc-ia64.h b/gas/config/tc-ia64.h new file mode 100644 index 0000000..db8d7a4 --- /dev/null +++ b/gas/config/tc-ia64.h @@ -0,0 +1,218 @@ +/* tc-ia64.h -- Header file for tc-ia64.c. + Copyright (C) 1998, 1999 Free Software Foundation, Inc. + Contributed by David Mosberger-Tang <davidm@hpl.hp.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. */ + +#include <opcode/ia64.h> +#include <elf/ia64.h> + +#define TC_IA64 + +#define TARGET_FORMAT (OUTPUT_FLAVOR == bfd_target_elf_flavour \ + ? "elf64-ia64-little" \ + : "unknown-format") + +#define TARGET_ARCH bfd_arch_ia64 +#define TARGET_BYTES_BIG_ENDIAN 0 +#define DOUBLESLASH_LINE_COMMENTS /* allow //-style comments */ +#define md_number_to_chars number_to_chars_littleendian +#define TC_HANDLES_FX_DONE + +#define NEED_LITERAL_POOL /* need gp literal pool */ +#define RELOC_REQUIRES_SYMBOL +#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ +#define NEED_INDEX_OPERATOR /* [ ] is index operator */ + +#define QUOTES_IN_INSN /* allow `string "foo;bar"' */ +#define LEX_AT LEX_NAME /* allow `@' inside name */ +#define LEX_QM LEX_NAME /* allow `?' inside name */ +#define LEX_HASH LEX_END_NAME /* allow `#' ending a name */ + +struct ia64_fix + { + int bigendian; /* byte order at fix location */ + enum ia64_opnd opnd; + }; + +extern void ia64_do_align PARAMS((int n)); +extern void ia64_end_of_source PARAMS((void)); +extern void ia64_start_line PARAMS((void)); +extern int ia64_unrecognized_line PARAMS((int ch)); +extern void ia64_frob_label PARAMS((struct symbol *sym)); +extern void ia64_flush_pending_output PARAMS((void)); +extern int ia64_parse_name (char *name, expressionS *e); +extern int ia64_optimize_expr PARAMS((expressionS *l, operatorT op, + expressionS *r)); +extern void ia64_cons_align PARAMS((int)); +extern void ia64_flush_insns PARAMS((void)); +extern int ia64_fix_adjustable PARAMS((struct fix *fix)); +extern int ia64_force_relocation PARAMS((struct fix *)); +extern void ia64_cons_fix_new PARAMS ((fragS *f, int where, int nbytes, + expressionS *exp)); +extern void ia64_validate_fix PARAMS ((struct fix *fix)); +extern char * ia64_canonicalize_symbol_name PARAMS ((char *)); +extern flagword ia64_elf_section_flags PARAMS ((flagword, int, int)); +extern long ia64_pcrel_from_section PARAMS ((struct fix *fix, segT sec)); +extern int ia64_md_do_align PARAMS ((int, const char *, int, int)); + +#define md_end() ia64_end_of_source () +#define md_start_line_hook() ia64_start_line () +#define tc_unrecognized_line(ch) ia64_unrecognized_line (ch) +#define tc_frob_label(s) ia64_frob_label (s) +#define md_flush_pending_output() ia64_flush_pending_output () +#define md_parse_name(s,e) ia64_parse_name (s, e) +#define tc_canonicalize_symbol_name(s) ia64_canonicalize_symbol_name (s) +#define md_optimize_expr(l,o,r) ia64_optimize_expr (l, o, r) +#define md_cons_align(n) ia64_cons_align (n) +#define TC_FORCE_RELOCATION(f) ia64_force_relocation (f) +#define tc_fix_adjustable(f) ia64_fix_adjustable (f) +#define md_convert_frag(b,s,f) as_fatal ("ia64_convert_frag") +#define md_create_long_jump(p,f,t,fr,s) as_fatal("ia64_create_long_jump") +#define md_create_short_jump(p,f,t,fr,s) \ + as_fatal("ia64_create_short_jump") +#define md_estimate_size_before_relax(f,s) \ + (as_fatal ("ia64_estimate_size_before_relax"), 1) +#define md_elf_section_flags ia64_elf_section_flags +#define TC_FIX_TYPE struct ia64_fix +#define TC_INIT_FIX_DATA(f) { f->tc_fix_data.opnd = 0; } +#define TC_CONS_FIX_NEW(f,o,l,e) ia64_cons_fix_new (f, o, l, e) +#define TC_VALIDATE_FIX(fix,seg,skip) ia64_validate_fix (fix) +#define MD_PCREL_FROM_SECTION(fix,sec) ia64_pcrel_from_section (fix, sec) +#define md_do_align(n,f,l,m,j) if (ia64_md_do_align (n,f,l,m)) goto j + +/* Call md_apply_fix3 with segment instead of md_apply_fix. */ +#define MD_APPLY_FIX3 + +#define WORKING_DOT_WORD /* don't do broken word processing for now */ + +#define ELF_TC_SPECIAL_SECTIONS \ +{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, \ +{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, \ +{ ".IA_64.unwind", SHT_IA_64_UNWIND, SHF_ALLOC }, \ +{ ".IA_64.unwind_info", SHT_PROGBITS, SHF_ALLOC }, + +#define DWARF2_LINE_MIN_INSN_LENGTH 1 /* so slot-multipliers can be 1 */ + +/* This is the information required for unwind records in an ia64 + object file. This is required by GAS and the compiler runtime. */ + +/* These are the starting point masks for the various types of + unwind records. To create a record of type R3 for instance, one + starts by using the value UNW_R3 and or-ing in any other required values. + These values are also unique (in context), so they can be used to identify + the various record types as well. UNW_Bx and some UNW_Px do have the + same value, but Px can only occur in a prologue context, and Bx in + a body context. */ + +#define UNW_R1 0x00 +#define UNW_R2 0x40 +#define UNW_R3 0x60 +#define UNW_P1 0x80 +#define UNW_P2 0xA0 +#define UNW_P3 0xB0 +#define UNW_P4 0xB8 +#define UNW_P5 0xB9 +#define UNW_P6 0xC0 +#define UNW_P7 0xE0 +#define UNW_P8 0xF0 +#define UNW_P9 0xF1 +#define UNW_P10 0xFF +#define UNW_X1 0xF9 +#define UNW_X2 0xFA +#define UNW_X3 0xFB +#define UNW_X4 0xFC +#define UNW_B1 0x80 +#define UNW_B2 0xC0 +#define UNW_B3 0xE0 +#define UNW_B4 0xF0 + +/* These are all the various types of unwind records. */ + +typedef enum +{ + prologue, prologue_gr, body, mem_stack_f, mem_stack_v, psp_gr, psp_sprel, + rp_when, rp_gr, rp_br, rp_psprel, rp_sprel, pfs_when, pfs_gr, pfs_psprel, + pfs_sprel, preds_when, preds_gr, preds_psprel, preds_sprel, + fr_mem, frgr_mem, gr_gr, gr_mem, br_mem, br_gr, spill_base, spill_mask, + unat_when, unat_gr, unat_psprel, unat_sprel, lc_when, lc_gr, lc_psprel, + lc_sprel, fpsr_when, fpsr_gr, fpsr_psprel, fpsr_sprel, + priunat_when_gr, priunat_when_mem, priunat_gr, priunat_psprel, + priunat_sprel, bsp_when, bsp_gr, bsp_psprel, bsp_sprel, bspstore_when, + bspstore_gr, bspstore_psprel, bspstore_sprel, rnat_when, rnat_gr, + rnat_psprel, rnat_sprel, epilogue, label_state, copy_state, + spill_psprel, spill_sprel, spill_reg, spill_psprel_p, spill_sprel_p, + spill_reg_p +} unw_record_type; + + +/* These structures declare the fields that can be used in each of the + 4 record formats, R, P, B and X. */ + +typedef struct unw_r_record +{ + unsigned long rlen; + unsigned short mask; + unsigned short grsave; +} unw_r_record; + +typedef struct unw_p_record +{ + void *imask; + unsigned long t; + unsigned long size; + unsigned long spoff; + unsigned long br; + unsigned long pspoff; + unsigned short gr; + unsigned short rmask; + unsigned short grmask; + unsigned long frmask; + unsigned short brmask; +} unw_p_record; + +typedef struct unw_b_record +{ + unsigned long t; + unsigned long label; + unsigned short ecount; +} unw_b_record; + +typedef struct unw_x_record +{ + unsigned long t; + unsigned long spoff; + unsigned long pspoff; + unsigned short reg; + unsigned short treg; + unsigned short qp; + unsigned short xy; /* Value of the XY field.. */ +} unw_x_record; + +/* This structure is used to determine the specific record type and + its fields. */ +typedef struct unwind_record +{ + unw_record_type type; + union { + unw_r_record r; + unw_p_record p; + unw_b_record b; + unw_x_record x; + } record; +} unwind_record; |