/* tc-ia64.h -- Header file for tc-ia64.c.
- Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+ Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of GAS, the GNU Assembler.
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. */
+ 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")
+/* Linux is little endian by default. HPUX is big endian by default. */
+#ifdef TE_HPUX
+#define md_number_to_chars number_to_chars_bigendian
+#define TARGET_BYTES_BIG_ENDIAN 1
+#else
+#define md_number_to_chars number_to_chars_littleendian
+#define TARGET_BYTES_BIG_ENDIAN 0
+#endif /* TE_HPUX */
+
+/* We need to set the default object file format in ia64_init and not in
+ md_begin. This is because parse_args is called before md_begin, and we
+ do not want md_begin to wipe out the flag settings set by options parsed in
+ md_parse_args. */
+
+#define HOST_SPECIAL_INIT ia64_init
+extern void ia64_init PARAMS ((int, char **));
+
+#define TARGET_FORMAT ia64_target_format()
+extern const char *ia64_target_format PARAMS ((void));
#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
expressionS *exp));
extern void ia64_validate_fix PARAMS ((struct fix *fix));
extern char * ia64_canonicalize_symbol_name PARAMS ((char *));
+extern int ia64_elf_section_letter PARAMS ((int, char **));
extern flagword ia64_elf_section_flags PARAMS ((flagword, int, int));
+extern int ia64_elf_section_type PARAMS ((const char *, size_t len));
extern long ia64_pcrel_from_section PARAMS ((struct fix *fix, segT sec));
-extern int ia64_md_do_align PARAMS ((int, const char *, int, int));
+extern void ia64_md_do_align PARAMS ((int, const char *, int, int));
+extern void ia64_handle_align PARAMS ((fragS *f));
#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 md_parse_name(s,e,c) 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_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")
+ 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_letter ia64_elf_section_letter
#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
+#define md_do_align(n,f,l,m,j) ia64_md_do_align (n,f,l,m)
+#define HANDLE_ALIGN(f) ia64_handle_align (f)
+#define md_elf_section_type(str,len) ia64_elf_section_type (str, len)
-/* Call md_apply_fix3 with segment instead of md_apply_fix. */
-#define MD_APPLY_FIX3
+#define MAX_MEM_FOR_RS_ALIGN_CODE (15 + 16)
#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 },
+{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
#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. */
+ 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
+ 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. */
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,
+ 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
+ spill_reg_p, unwabi
} unw_record_type;
-
-/* These structures declare the fields that can be used in each of the
+/* 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 grmask;
unsigned short grsave;
+ /* masks to represent the union of save.g, save.f, save.b, and
+ save.gf: */
+ unsigned long imask_size;
+ struct
+ {
+ unsigned char *i;
+ unsigned long fr_mem;
+ unsigned char gr_mem;
+ unsigned char br_mem;
+ } mask;
} unw_r_record;
typedef struct unw_p_record
unsigned short grmask;
unsigned long frmask;
unsigned short brmask;
+ unsigned char abi;
+ unsigned char context;
} unw_p_record;
typedef struct unw_b_record
unsigned short reg;
unsigned short treg;
unsigned short qp;
- unsigned short xy; /* Value of the XY field.. */
+ unsigned short ab; /* Value of the AB field.. */
+ unsigned short xy; /* Value of the XY field.. */
} unw_x_record;
-/* This structure is used to determine the specific record type and
+/* This structure is used to determine the specific record type and
its fields. */
typedef struct unwind_record
{
unw_x_record x;
} record;
} unwind_record;
+
+/* This expression evaluates to false if the relocation is for a local
+ object for which we still want to do the relocation at runtime.
+ True if we are willing to perform this relocation while building
+ the .o file. This is only used for pcrel relocations. */
+
+/* If the reloc type is BFD_RELOC_UNUSED, then this is for a TAG13/TAG13b field
+ which has no external reloc, so we must resolve the value now. */
+
+#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
+ ((FIX)->fx_addsy == NULL \
+ || (FIX)->fx_r_type == BFD_RELOC_UNUSED \
+ || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
+ && ! S_IS_WEAK ((FIX)->fx_addsy) \
+ && S_IS_DEFINED ((FIX)->fx_addsy) \
+ && ! S_IS_COMMON ((FIX)->fx_addsy)))
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