/* tc-ia64.h -- Header file for tc-ia64.c.
- Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1998-2020 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)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
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. */
+ the Free Software Foundation, 51 Franklin Street - Fifth Floor,
+ Boston, MA 02110-1301, USA. */
-#include <opcode/ia64.h>
-#include <elf/ia64.h>
+#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 TARGET_BYTES_BIG_ENDIAN 1
+#define MD_FLAGS_DEFAULT EF_IA_64_BE
+#else
+#define TARGET_BYTES_BIG_ENDIAN 0
+#define MD_FLAGS_DEFAULT EF_IA_64_ABI64
+#endif /* TE_HPUX */
+
+extern void (*ia64_number_to_chars) (char *, valueT, int);
+#define md_number_to_chars (*ia64_number_to_chars)
+
+extern void ia64_elf_section_change_hook (void);
+#define md_elf_section_change_hook ia64_elf_section_change_hook
+
+/* We record the endian for this section. 0 means default, 1 means
+ big endian and 2 means little endian. */
+struct ia64_segment_info_type
+{
+ unsigned int endian : 2;
+};
+
+#define TC_SEGMENT_INFO_TYPE struct ia64_segment_info_type
+
+extern void ia64_adjust_symtab (void);
+#define tc_adjust_symtab() ia64_adjust_symtab ()
+
+extern void ia64_frob_file (void);
+#define tc_frob_file() ia64_frob_file ()
+
+/* 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 (int, char **);
+
+#define TARGET_FORMAT ia64_target_format()
+extern const char *ia64_target_format (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
#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_AT (LEX_NAME|LEX_BEGIN_NAME) /* allow `@' inside name */
+#define LEX_QM (LEX_NAME|LEX_BEGIN_NAME) /* allow `?' inside name */
#define LEX_HASH LEX_END_NAME /* allow `#' ending a name */
+#define TC_PREDICATE_START_CHAR '('
+#define TC_PREDICATE_END_CHAR ')'
+
+extern const char ia64_symbol_chars[];
+#define tc_symbol_chars ia64_symbol_chars
+
+#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0
+
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));
+extern void ia64_end_of_source (void);
+extern void ia64_start_line (void);
+extern int ia64_unrecognized_line (int);
+extern void ia64_frob_label (struct symbol *);
+#ifdef TE_HPUX
+extern int ia64_frob_symbol (struct symbol *);
+#endif
+extern void ia64_flush_pending_output (void);
+extern int ia64_parse_name (char *, expressionS *, char *);
+extern int ia64_optimize_expr (expressionS *, operatorT, expressionS *);
+extern void ia64_cons_align (int);
+extern void ia64_flush_insns (void);
+extern int ia64_fix_adjustable (struct fix *);
+extern int ia64_force_relocation (struct fix *);
+extern void ia64_cons_fix_new (fragS *, int, int, expressionS *,
+ bfd_reloc_code_real_type);
+extern void ia64_validate_fix (struct fix *);
+extern char * ia64_canonicalize_symbol_name (char *);
+extern bfd_vma ia64_elf_section_letter (int, const char **);
+extern flagword ia64_elf_section_flags (flagword, bfd_vma, int);
+extern int ia64_elf_section_type (const char *, size_t);
+extern long ia64_pcrel_from_section (struct fix *, segT);
+extern void ia64_md_do_align (int, const char *, int, int);
+extern void ia64_handle_align (fragS *);
+extern void ia64_after_parse_args (void);
+extern void ia64_dwarf2_emit_offset (symbolS *, unsigned int);
+extern void ia64_check_label (symbolS *);
+extern int ia64_estimate_size_before_relax (fragS *, asection *);
+extern void ia64_convert_frag (fragS *);
#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)
+#ifdef TE_HPUX
+#define tc_frob_symbol(s,p) p |= ia64_frob_symbol (s)
+#endif /* TE_HPUX */
#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,m,c) ia64_parse_name (s, e, c)
+#define md_register_arithmetic 0
#define tc_canonicalize_symbol_name(s) ia64_canonicalize_symbol_name (s)
+#define tc_canonicalize_section_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_APPLY_SYM_VALUE(FIX) 0
+#define md_convert_frag(b,s,f) ia64_convert_frag (f)
+#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)
+ ia64_estimate_size_before_relax(f,s)
+#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_CONS_FIX_NEW(f,o,l,e,r) ia64_cons_fix_new (f, o, l, e, r)
#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_section_align(seg,size) (size)
+#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)
+#define md_after_parse_args() ia64_after_parse_args ()
+#define TC_DWARF2_EMIT_OFFSET ia64_dwarf2_emit_offset
+#define tc_check_label(l) ia64_check_label (l)
+#ifdef TE_VMS
+#define tc_init_after_args() ia64_vms_note ()
+void ia64_vms_note (void);
+#endif
-/* Call md_apply_fix3 with segment instead of md_apply_fix. */
-#define MD_APPLY_FIX3
+/* Record if an alignment frag should end with a stop bit. */
+#define TC_FRAG_TYPE int
+#define TC_FRAG_INIT(FRAGP, MAX_BYTES) do {(FRAGP)->tc_frag_data = 0;}while (0)
-#define WORKING_DOT_WORD /* don't do broken word processing for now */
+/* Give an error if a frag containing code is not aligned to a 16 byte
+ boundary. */
+#define md_frag_check(FRAGP) \
+ if ((FRAGP)->has_code \
+ && (((FRAGP)->fr_address + (FRAGP)->insn_addr) & 15) != 0) \
+ as_bad_where ((FRAGP)->fr_file, (FRAGP)->fr_line, \
+ _("instruction address is not a multiple of 16"));
-#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 MAX_MEM_FOR_RS_ALIGN_CODE (15 + 16)
+
+#define WORKING_DOT_WORD /* don't do broken word processing for now */
#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, unwabi
+ spill_reg_p, unwabi, endp
} 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
struct
{
unsigned char *i;
- unsigned long fr_mem;
+ unsigned int fr_mem;
unsigned char gr_mem;
unsigned char br_mem;
} mask;
typedef struct unw_p_record
{
- void *imask;
+ struct unw_rec_list *next;
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;
+ union
+ {
+ unsigned long sp;
+ unsigned long psp;
+ } off;
+ union
+ {
+ unsigned short gr;
+ unsigned short br;
+ } r;
+ unsigned char grmask;
+ unsigned char brmask;
+ unsigned int frmask;
unsigned char abi;
unsigned char context;
} unw_p_record;
typedef struct unw_x_record
{
unsigned long t;
- unsigned long spoff;
- unsigned long pspoff;
+ union
+ {
+ unsigned long spoff;
+ unsigned long pspoff;
+ unsigned int reg;
+ } where;
unsigned short reg;
- unsigned short treg;
unsigned short qp;
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 true if the relocation is for a local
+ object for which we still want to do the relocation at runtime.
+ False if we are willing to perform this relocation while building
+ the .o file. */
+
+/* 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_FORCE_RELOCATION_LOCAL(FIX) \
+ ((FIX)->fx_r_type != BFD_RELOC_UNUSED \
+ && (GENERIC_FORCE_RELOCATION_LOCAL (FIX) \
+ || (FIX)->fx_r_type == BFD_RELOC_IA64_PLTOFF22))
+
+/* VMS backtraces expect dwarf version 3. */
+#ifdef TE_VMS
+#define DWARF2_VERSION 3
+#define DWARF2_LINE_VERSION 3
+#endif
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