-/* tc-mips.c -- header file for tc-mips.c.
- Copyright (C) 1993 Free Software Foundation, Inc.
+/* tc-mips.h -- header file for tc-mips.c.
+ Copyright 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003, 2004
+ Free Software Foundation, Inc.
Contributed by the OSF and Ralph Campbell.
Written by Keith Knowles and Ralph Campbell, working independently.
Modified for ECOFF support by Ian Lance Taylor of Cygnus Support.
GNU General Public License for more details.
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. */
+ along with GAS; see the file COPYING. If not, write to the Free
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+#ifndef TC_MIPS
#define TC_MIPS
+struct frag;
+struct expressionS;
+
+/* Default to big endian. */
+#ifndef TARGET_BYTES_BIG_ENDIAN
+#define TARGET_BYTES_BIG_ENDIAN 1
+#endif
+
#define TARGET_ARCH bfd_arch_mips
-#define NO_LISTING
-#define ONLY_STANDARD_ESCAPES
-#define BACKSLASH_V
#define WORKING_DOT_WORD 1
#define OLD_FLOAT_READS
-#define LOCAL_LABELS_FB
+#define REPEAT_CONS_EXPRESSIONS
+#define RELOC_EXPANSION_POSSIBLE
+#define MAX_RELOC_EXPANSION 3
+#define LOCAL_LABELS_FB 1
-#ifdef OBJ_ECOFF
-#define LOCAL_LABEL(name) ((name)[0] == '$' && (name)[1] == 'L')
-#endif
+/* Maximum symbol offset that can be encoded in a BFD_RELOC_GPREL16
+ relocation. */
+#define MAX_GPREL_OFFSET (0x7FF0)
+
+#define md_relax_frag(segment, fragp, stretch) \
+ mips_relax_frag(segment, fragp, stretch)
+extern int mips_relax_frag (asection *, struct frag *, long);
#define md_undefined_symbol(name) (0)
#define md_operand(x)
-#define LITTLE_ENDIAN 1234
-#define BIG_ENDIAN 4321
+extern void mips_handle_align (struct frag *);
+#define HANDLE_ALIGN(fragp) mips_handle_align (fragp)
-/* If neither TARGET_BYTES_BIG_ENDIAN nor TARGET_BYTES_LITTLE_ENDIAN
- is specified, default to big endian. */
-#ifndef TARGET_BYTES_BIG_ENDIAN
-#ifndef TARGET_BYTES_LITTLE_ENDIAN
-#define TARGET_BYTES_BIG_ENDIAN
-#endif
-#endif
+#define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2)
-#ifdef TARGET_BYTES_BIG_ENDIAN
-#define BYTE_ORDER BIG_ENDIAN
-#else
-#define BYTE_ORDER LITTLE_ENDIAN
-#endif
+/* Tell assembler that we have an itbl_mips.h header file to include. */
+#define HAVE_ITBL_CPU
-#ifndef TARGET_FORMAT
-#ifdef OBJ_AOUT
-#ifdef TARGET_BYTES_BIG_ENDIAN
-#define TARGET_FORMAT "aout-mips-big"
-#else
-#define TARGET_FORMAT "aout-mips-little"
-#endif
-#endif /* OBJ_AOUT */
-#ifdef OBJ_ECOFF
-#ifdef TARGET_BYTES_BIG_ENDIAN
-#define TARGET_FORMAT "ecoff-bigmips"
-#else
-#define TARGET_FORMAT "ecoff-littlemips"
-#endif
-#endif /* OBJ_ECOFF */
-#endif /* ! defined (TARGET_FORMAT) */
-
-struct mips_opcode {
- const char *name;
- const char *args;
- unsigned long match;
- unsigned long mask; /* used only for error checking */
- unsigned long pinfo; /* Information used for insn/pipeline scheduling. */
-};
+/* The endianness of the target format may change based on command
+ line arguments. */
+#define TARGET_FORMAT mips_target_format()
+extern const char *mips_target_format (void);
+
+/* MIPS PIC level. */
-struct mips_cl_insn {
- unsigned long insn_opcode;
- const struct mips_opcode *insn_mo;
+enum mips_pic_level
+{
+ /* Do not generate PIC code. */
+ NO_PIC,
+
+ /* Generate PIC code as in the SVR4 MIPS ABI. */
+ SVR4_PIC,
+
+ /* VxWorks's PIC model. */
+ VXWORKS_PIC
};
-#ifndef BFD_ASSEMBLER
-#define md_convert_frag(h,f) {as_fatal ("MIPS convert_frag\n");}
-#else
-#define md_convert_frag(b,s,f) {as_fatal ("MIPS convert_frag\n");}
+extern enum mips_pic_level mips_pic;
+
+extern int tc_get_register (int frame);
+
+#define md_after_parse_args() mips_after_parse_args()
+extern void mips_after_parse_args (void);
+
+#define tc_init_after_args() mips_init_after_args()
+extern void mips_init_after_args (void);
+
+#define md_parse_long_option(arg) mips_parse_long_option (arg)
+extern int mips_parse_long_option (const char *);
+
+#define tc_frob_label(sym) mips_define_label (sym)
+extern void mips_define_label (symbolS *);
+
+#define tc_frob_file_before_adjust() mips_frob_file_before_adjust ()
+extern void mips_frob_file_before_adjust (void);
+
+#define tc_frob_file_before_fix() mips_frob_file ()
+extern void mips_frob_file (void);
+
+#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
+#define tc_frob_file_after_relocs mips_frob_file_after_relocs
+extern void mips_frob_file_after_relocs (void);
#endif
-extern int tc_get_register PARAMS ((void));
+#define tc_fix_adjustable(fixp) mips_fix_adjustable (fixp)
+extern int mips_fix_adjustable (struct fix *);
+
+/* Values passed to md_apply_fix don't include symbol values. */
+#define MD_APPLY_SYM_VALUE(FIX) 0
+
+/* Global syms must not be resolved, to support ELF shared libraries. */
+#define EXTERN_FORCE_RELOC \
+ (OUTPUT_FLAVOR == bfd_target_elf_flavour)
+
+/* When generating NEWABI code, we may need to have to keep combined
+ relocations which don't have symbols. */
+#define TC_FORCE_RELOCATION(FIX) mips_force_relocation (FIX)
+extern int mips_force_relocation (struct fix *);
+
+#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \
+ (! SEG_NORMAL (SEG) || mips_force_relocation (FIX))
+
+/* Register mask variables. These are set by the MIPS assembly code
+ and used by ECOFF and possibly other object file formats. */
+extern unsigned long mips_gprmask;
+extern unsigned long mips_cprmask[4];
+
+#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
+
+#define elf_tc_final_processing mips_elf_final_processing
+extern void mips_elf_final_processing (void);
+
+#endif
+
+extern void md_mips_end (void);
+#define md_end() md_mips_end()
+
+extern void mips_pop_insert (void);
+#define md_pop_insert() mips_pop_insert()
+
+extern void mips_emit_delays (void);
+#define md_flush_pending_output mips_emit_delays
+
+extern void mips_enable_auto_align (void);
+#define md_elf_section_change_hook() mips_enable_auto_align()
+
+extern enum dwarf2_format mips_dwarf2_format (void);
+#define DWARF2_FORMAT() mips_dwarf2_format ()
+
+extern int mips_dwarf2_addr_size (void);
+#define DWARF2_ADDR_SIZE(bfd) mips_dwarf2_addr_size ()
+
+#define TARGET_USE_CFIPOP 1
+
+#define tc_cfi_frame_initial_instructions mips_cfi_frame_initial_instructions
+extern void mips_cfi_frame_initial_instructions (void);
+
+#define DWARF2_DEFAULT_RETURN_COLUMN 31
+#define DWARF2_CIE_DATA_ALIGNMENT -4
+
+#endif /* TC_MIPS */
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