/* tc-sparc.h - Macros and type defines for the sparc.
- Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+ Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000, 2001, 2002, 2003 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ to the Free Software Foundation, 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+#ifndef TC_SPARC
#define TC_SPARC 1
+#ifdef ANSI_PROTOTYPES
+struct frag;
+#endif
+
+/* 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
-#ifdef OBJ_AOUT
-#ifdef TE_NetBSD
-#define TARGET_FORMAT "a.out-sparc-netbsd"
-#else
-#define TARGET_FORMAT "a.out-sunos-big"
-#endif
-#endif
-#ifdef OBJ_BOUT
-#define TARGET_FORMAT "b.out.big"
+
+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
-#ifdef OBJ_ELF
-#ifndef sparcv9
-#define TARGET_FORMAT "elf32-sparc"
-#else /* sparcv9 */
-#define TARGET_FORMAT "elf64-sparc" /* v9 */
-#define ENV64 /* v9 */
-#endif /* sparcv9 */
-#define LOCAL_LABEL(name) (((name)[0] == '.' && (name)[1] == 'L') || !strncmp ((name), "_.L_", 4))
#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_create_long_jump(p,f,t,fr,s) as_fatal("sparc_create_long_jump")
-#define md_create_short_jump(p,f,t,fr,s) as_fatal("sparc_create_short_jump")
+#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)
-void tc_aout_pre_write_hook ();
+ (as_fatal (_("estimate_size_before_relax called")), 1)
#define LISTING_HEADER "SPARC GAS "
+extern int sparc_pic_code;
+
+/* 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 *));
+
+#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4)
+
/* 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 TC_FORCE_RELOCATION_ABS(FIX) \
+ ((FIX)->fx_r_type == BFD_RELOC_32_PCREL_S2 \
+ || TC_FORCE_RELOCATION (FIX))
+
#define RELOC_REQUIRES_SYMBOL
#endif
-#define TC_HANDLES_FX_DONE
+#ifdef OBJ_AOUT
+/* 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. */
+
+#define TC_FORCE_RELOCATION_LOCAL(FIX) \
+ (!(FIX)->fx_pcrel \
+ || (FIX)->fx_plt \
+ || (sparc_pic_code \
+ && S_IS_EXTERNAL ((FIX)->fx_addsy)) \
+ || TC_FORCE_RELOCATION (FIX))
+#endif
#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. */
-#define tc_fix_adjustable(FIX) (! S_IS_EXTERN ((FIX)->fx_addsy))
+/* Don't turn certain relocs 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) \
+ ((FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \
+ && (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \
+ && ((FIX)->fx_r_type < BFD_RELOC_SPARC_TLS_GD_HI22 \
+ || (FIX)->fx_r_type > BFD_RELOC_SPARC_TLS_TPOFF64) \
+ && (! 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 \
+ || !generic_force_reloc (FIX)) \
+ && ((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)))))
+
+/* Values passed to md_apply_fix3 don't include the symbol value. */
+#define MD_APPLY_SYM_VALUE(FIX) 0
+
+/* Finish up the entire symtab. */
+#define tc_adjust_symtab() sparc_adjust_symtab ()
+extern void sparc_adjust_symtab PARAMS ((void));
#endif
+#ifdef OBJ_AOUT
+/* 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 elf_tc_final_processing sparc_elf_final_processing
+extern void sparc_elf_final_processing PARAMS ((void));
+
#define md_operand(x)
+extern void sparc_md_end PARAMS ((void));
+#define md_end() sparc_md_end ()
+
+#endif
+
+#ifdef OBJ_ELF
+#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) sparc_cons (EXP, NBYTES)
+extern void sparc_cons PARAMS ((expressionS *, int));
+#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)
+
+#define TC_FIX_DATA_PRINT(FILE, FIX) \
+ do \
+ { \
+ fprintf ((FILE), "addend2=%ld\n", \
+ (unsigned long) (FIX)->tc_fix_data); \
+ } \
+ while (0)
+
+#define DWARF2_LINE_MIN_INSN_LENGTH 4
+
/* end of tc-sparc.h */
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