X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-ia64.h;h=7921abf0e5febcc5de3119597a58503fcd8cc734;hb=5c3cf190c0ee98cfade016748df228c6dc559fab;hp=db8d7a4d10c296075180972da59fd401fdf03b13;hpb=800eeca487f145ccc5481a03bfff2b871a2fd361;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-ia64.h b/gas/config/tc-ia64.h index db8d7a4d10..7921abf0e5 100644 --- a/gas/config/tc-ia64.h +++ b/gas/config/tc-ia64.h @@ -1,5 +1,5 @@ /* 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 This file is part of GAS, the GNU Assembler. @@ -17,22 +17,35 @@ 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 #include #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 @@ -67,55 +80,58 @@ 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 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. */ @@ -151,24 +167,33 @@ typedef enum 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 @@ -184,6 +209,8 @@ 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 @@ -201,10 +228,11 @@ typedef struct unw_x_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 { @@ -216,3 +244,19 @@ 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)))