/* tc-sparc.h - Macros and type defines for the sparc.
- Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1989, 90-96, 97, 98, 1999 Free Software Foundation, Inc.
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ to the Free Software Foundation, 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+#ifndef TC_SPARC
#define TC_SPARC 1
-#define LOCAL_LABELS_FB
+#ifdef ANSI_PROTOTYPES
+struct frag;
+#endif
-#ifdef OBJ_BOUT
-#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE ((0x103 << 16) | BMAGIC) /* Magic number for header */
+/* This is used to set the default value for `target_big_endian'. */
+#define TARGET_BYTES_BIG_ENDIAN 1
+
+#define LOCAL_LABELS_FB 1
+
+#define TARGET_ARCH bfd_arch_sparc
+
+extern const char *sparc_target_format PARAMS ((void));
+#define TARGET_FORMAT sparc_target_format ()
+
+#define RELOC_EXPANSION_POSSIBLE
+#define MAX_RELOC_EXPANSION 2
+
+#if 0
+#ifdef TE_SPARCAOUT
+/* Bi-endian support may eventually be unconditional, but until things are
+ working well it's only provided for targets that need it. */
+#define SPARC_BIENDIAN
+#endif
+#endif
+/* Make it unconditional and check if -EL is valid after option parsing */
+#define SPARC_BIENDIAN
+
+#define WORKING_DOT_WORD
+
+#define md_convert_frag(b,s,f) {as_fatal (_("sparc convert_frag\n"));}
+#define md_estimate_size_before_relax(f,s) \
+ (as_fatal(_("estimate_size_before_relax called")),1)
+
+#define LISTING_HEADER "SPARC GAS "
+
+extern int sparc_pic_code;
+
+#define md_do_align(n, fill, len, max, around) \
+if ((n) && (n) <= 10 && !need_pass_2 && !(fill) \
+ && subseg_text_p (now_seg)) \
+ { \
+ char *p; \
+ p = frag_var (rs_align_code, 1 << n, 1, (relax_substateT) 1024, \
+ (symbolS *) 0, (offsetT) (n), (char *) 0); \
+ *p = 0x00; \
+ goto around; \
+ }
+
+/* We require .word, et. al., to be aligned correctly. */
+#define md_cons_align(nbytes) sparc_cons_align (nbytes)
+extern void sparc_cons_align PARAMS ((int));
+#define HANDLE_ALIGN(fragp) sparc_handle_align (fragp)
+extern void sparc_handle_align PARAMS ((struct frag *));
+
+#if defined (OBJ_ELF) || defined (OBJ_AOUT)
+
+/* 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.
+
+ If the reloc is against an externally visible symbol, then the
+ a.out assembler should not do the relocation if generating PIC, and
+ the ELF assembler should never do the relocation. */
+
+#ifdef OBJ_ELF
+#define obj_relocate_extern 0
#else
+#define obj_relocate_extern (! sparc_pic_code)
+#endif
+
+#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
+ (obj_relocate_extern \
+ || (FIX)->fx_addsy == NULL \
+ || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
+ && ! S_IS_WEAK ((FIX)->fx_addsy) \
+ && S_IS_DEFINED ((FIX)->fx_addsy) \
+ && ! S_IS_COMMON ((FIX)->fx_addsy)))
+#endif
+
+/* I know that "call 0" fails in sparc-coff if this doesn't return 1. I
+ don't know about other relocation types, or other formats, yet. */
+#ifdef OBJ_COFF
+#define TC_FORCE_RELOCATION(FIXP) \
+ ((FIXP)->fx_r_type == BFD_RELOC_32_PCREL_S2 \
+ && ((FIXP)->fx_addsy == 0 \
+ || S_GET_SEGMENT ((FIXP)->fx_addsy) == absolute_section))
+#define RELOC_REQUIRES_SYMBOL
+#endif
+
+#ifdef OBJ_ELF
+#define TC_FORCE_RELOCATION(fixp) elf32_sparc_force_relocation(fixp)
+extern int elf32_sparc_force_relocation PARAMS ((struct fix *));
+#endif
+
+#define MD_APPLY_FIX3
+#define TC_HANDLES_FX_DONE
+
+#ifdef OBJ_ELF
+/* Keep relocations against global symbols. Don't turn them into
+ relocations against sections. This is required for the dynamic
+ linker to operate properly. When generating PIC, we need to keep
+ any non PC relative reloc. The PIC part of this test must be
+ parallel to the code in tc_gen_reloc which converts relocations to
+ GOT relocations. */
+#define tc_fix_adjustable(FIX) \
+ (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
+ && ! S_IS_WEAK ((FIX)->fx_addsy) \
+ && (FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \
+ && (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \
+ && (! sparc_pic_code \
+ || ((FIX)->fx_r_type != BFD_RELOC_HI22 \
+ && (FIX)->fx_r_type != BFD_RELOC_LO10 \
+ && (FIX)->fx_r_type != BFD_RELOC_SPARC13 \
+ && ((FIX)->fx_r_type != BFD_RELOC_32_PCREL_S2 \
+ || (S_IS_DEFINED ((FIX)->fx_addsy) \
+ && ! S_IS_COMMON ((FIX)->fx_addsy) \
+ && ! S_IS_EXTERNAL ((FIX)->fx_addsy) \
+ && ! S_IS_WEAK ((FIX)->fx_addsy))) \
+ && ((FIX)->fx_pcrel \
+ || ((FIX)->fx_subsy != NULL \
+ && (S_GET_SEGMENT ((FIX)->fx_subsy) \
+ == S_GET_SEGMENT ((FIX)->fx_addsy))) \
+ || S_IS_LOCAL ((FIX)->fx_addsy)))))
+
+/* Finish up the entire symtab. */
+#define tc_adjust_symtab() sparc_adjust_symtab ()
+extern void sparc_adjust_symtab PARAMS ((void));
+#endif
+
#ifdef OBJ_AOUT
-#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE ((0x103 << 16) | OMAGIC) /* Magic number for header */
-#endif /* OBJ_AOUT */
-#endif /* OBJ_BOUT */
+/* When generating PIC code, we must not adjust any reloc which will
+ turn into a reloc against the global offset table, nor any reloc
+ which we will need if a symbol is overridden. */
+#define tc_fix_adjustable(FIX) \
+ (! sparc_pic_code \
+ || ((FIX)->fx_pcrel \
+ && ((FIX)->fx_addsy == NULL \
+ || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
+ && ! S_IS_WEAK ((FIX)->fx_addsy)))) \
+ || (FIX)->fx_r_type == BFD_RELOC_16 \
+ || (FIX)->fx_r_type == BFD_RELOC_32)
+#endif
-#define AOUT_MACHTYPE 3
+#define elf_tc_final_processing sparc_elf_final_processing
+extern void sparc_elf_final_processing PARAMS ((void));
-#define tc_headers_hook(a) {;} /* don't need it. */
-#define tc_crawl_symbol_chain(a) {;} /* don't need it. */
+#define md_operand(x)
-void tc_aout_pre_write_hook ();
+extern void sparc_md_end PARAMS ((void));
+#define md_end() sparc_md_end ()
-#define LISTING_HEADER "SPARC GAS "
+#endif
+
+#define TC_CONS_FIX_NEW cons_fix_new_sparc
+extern void cons_fix_new_sparc
+ PARAMS ((struct frag *, int, unsigned int, struct expressionS *));
+
+#define TC_FIX_TYPE valueT
+
+#define TC_INIT_FIX_DATA(X) \
+ do \
+ { \
+ (X)->tc_fix_data = 0; \
+ } \
+ while(0)
-/*
- * Local Variables:
- * comment-column: 0
- * fill-column: 131
- * End:
- */
+#define TC_FIX_DATA_PRINT(FILE, FIXP) \
+ do \
+ { \
+ fprintf((FILE), "addend2=%ld\n", \
+ (unsigned long) (FIXP)->tc_fix_data); \
+ } \
+ while(0)
/* end of tc-sparc.h */
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