/* This file is tc-sh.h
- Copyright (C) 1993, 94, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
+ Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
/* Don't try to break words. */
#define WORKING_DOT_WORD
+/* All SH instructions are multiples of 16 bits. */
+#define DWARF2_LINE_MIN_INSN_LENGTH 2
+
/* We require .long, et. al., to be aligned correctly. */
#define md_cons_align(nbytes) sh_cons_align (nbytes)
extern void sh_cons_align PARAMS ((int));
#define HANDLE_ALIGN(frag) sh_handle_align (frag)
extern void sh_handle_align PARAMS ((fragS *));
+#define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2)
+
/* We need to force out some relocations when relaxing. */
#define TC_FORCE_RELOCATION(fix) sh_force_relocation (fix)
-extern int sh_force_relocation ();
+
+/* The type fixS is defined (to struct fix) in write.h, but write.h uses
+ definitions from this file. To avoid problems with including write.h
+ after the "right" definitions, don't; just forward-declare struct fix
+ here. */
+struct fix;
+extern int sh_force_relocation PARAMS ((struct fix *));
#ifdef OBJ_ELF
#define obj_fix_adjustable(fixP) sh_fix_adjustable(fixP)
struct fix;
extern boolean sh_fix_adjustable PARAMS ((struct fix *));
+
+/* This arranges for gas/write.c to not apply a relocation if
+ obj_fix_adjustable() says it is not adjustable. */
+#define TC_FIX_ADJUSTABLE(fixP) obj_fix_adjustable (fixP)
#endif
+#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
+extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
+
#define IGNORE_NONSTANDARD_ESCAPES
#define LISTING_HEADER (shl ? "Hitachi Super-H GAS Little Endian" : "Hitachi Super-H GAS Big Endian")
extern const struct relax_type md_relax_table[];
#define TC_GENERIC_RELAX_TABLE md_relax_table
-/* We use a special alignment function to insert the correct nop
- pattern. */
-extern int sh_do_align PARAMS ((int, const char *, int, int));
-#define md_do_align(n,fill,len,max,l) if (sh_do_align (n,fill,len,max)) goto l
-
/* We record, for each section, whether we have most recently output a
CODE reloc or a DATA reloc. */
struct sh_segment_info_type
/* Whether or not the target is big endian */
extern int target_big_endian;
+#ifdef TE_LINUX
+#define TARGET_FORMAT (shl ? "elf32-sh-linux" : "elf32-shbig-linux")
+#else
#define TARGET_FORMAT (shl ? "elf32-shl" : "elf32-sh")
+#endif
#define elf_tc_final_processing sh_elf_final_processing
extern void sh_elf_final_processing PARAMS ((void));
-#endif /* OBJ_ELF */
+#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */
+
+#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
+
+/* This is the relocation type for direct references to
+ GLOBAL_OFFSET_TABLE. It comes up in complicated expressions such
+ as _GLOBAL_OFFSET_TABLE_+[.-.L284], which cannot be expressed
+ normally with the regular expressions. The fixup specified here
+ when used at runtime implies that we should add the address of the
+ GOT to the specified location, and as a result we have simplified
+ the expression into something we can use. */
+#define TC_RELOC_GLOBAL_OFFSET_TABLE BFD_RELOC_SH_GOTPC
+
+/* 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, so GOTOFF does not need to be
+ checked here. I am not sure if some of the others are ever used with
+ pcrel, but it is easier to be safe than sorry.
+
+ We can't resolve references to the GOT or the PLT when creating the
+ object file, since these tables are only created by the linker.
+ Also, if the symbol is global, weak, common or not defined, the
+ assembler can't compute the appropriate reloc, since its location
+ can only be determined at link time. */
+
+#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
+ ((FIX)->fx_r_type != BFD_RELOC_32_PLT_PCREL \
+ && (FIX)->fx_r_type != BFD_RELOC_32_GOT_PCREL \
+ && (FIX)->fx_r_type != BFD_RELOC_SH_GOTPC \
+ && ((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))))
-/* end of tc-sh.h */
+#endif /* OBJ_ELF */