-/* 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
+ 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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. */
#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 ONLY_STANDARD_ESCAPES
#define WORKING_DOT_WORD 1
#define OLD_FLOAT_READS
#define REPEAT_CONS_EXPRESSIONS
#define MAX_RELOC_EXPANSION 3
#define LOCAL_LABELS_FB 1
-#define LOCAL_LABEL(name) mips_local_label (name)
-extern int mips_local_label PARAMS ((const char *));
+/* 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_relax_frag(fragp, stretch) (0)
#define md_undefined_symbol(name) (0)
#define md_operand(x)
+extern void mips_handle_align (struct frag *);
+#define HANDLE_ALIGN(fragp) mips_handle_align (fragp)
+
+#define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2)
+
/* We permit PC relative difference expressions when generating
embedded PIC code. */
#define DIFF_EXPR_OK
-#define LITTLE_ENDIAN 1234
-#define BIG_ENDIAN 4321
-
-/* Default to big endian. */
-#ifndef TARGET_BYTES_LITTLE_ENDIAN
-#undef TARGET_BYTES_BIG_ENDIAN
-#define TARGET_BYTES_BIG_ENDIAN 1
-#endif
-
-#if 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
/* 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 ();
+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,
+
+ /* Generate PIC code without using a global offset table: the data
+ segment has a maximum size of 64K, all data references are off
+ the $gp register, and all text references are PC relative. This
+ is used on some embedded systems. */
+ EMBEDDED_PIC
+};
+
+extern enum mips_pic_level mips_pic;
+
+struct mips_cl_insn
+{
+ unsigned long insn_opcode;
+ const struct mips_opcode *insn_mo;
+ /* The next two fields are used when generating mips16 code. */
+ bfd_boolean use_extend;
+ unsigned short extend;
};
-extern int tc_get_register PARAMS ((int frame));
+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 PARAMS ((const char *));
+extern int mips_parse_long_option (const char *);
#define tc_frob_label(sym) mips_define_label (sym)
-extern void mips_define_label PARAMS ((struct symbol *));
+extern void mips_define_label (symbolS *);
-#define tc_frob_file() mips_frob_file ()
-extern void mips_frob_file PARAMS ((void));
+#define tc_frob_file_before_adjust() mips_frob_file_before_adjust ()
+extern void mips_frob_file_before_adjust (void);
-#define TC_CONS_FIX_NEW cons_fix_new_mips
-extern void cons_fix_new_mips ();
+#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
+
+#define tc_fix_adjustable(fixp) mips_fix_adjustable (fixp)
+extern int mips_fix_adjustable (struct fix *);
+
+/* Values passed to md_apply_fix3 don't include symbol values. */
+#define MD_APPLY_SYM_VALUE(FIX) 0
+
+/* Global syms must not be resolved, to support ELF shared libraries.
+ When generating embedded code, we don't have shared libs. */
+#define EXTERN_FORCE_RELOC \
+ (OUTPUT_FLAVOR == bfd_target_elf_flavour \
+ && mips_pic != EMBEDDED_PIC)
/* When generating embedded PIC code we must keep PC relative
relocations. */
-#define TC_FORCE_RELOCATION(fixp) mips_force_relocation (fixp)
-extern int mips_force_relocation ();
+#define TC_FORCE_RELOCATION(FIX) mips_force_relocation (FIX)
+extern int mips_force_relocation (struct fix *);
-/* md_apply_fix sets fx_done correctly. */
-#define TC_HANDLE_FX_DONE 1
+#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \
+ (! SEG_NORMAL (SEG) || mips_force_relocation (FIX))
+
+/* We use this to turn branches to global symbols into branches to
+ local symbols, so that they can be simplified. */
+#define TC_VALIDATE_FIX(fixp, this_segment, skip_label) \
+ do \
+ if (! mips_validate_fix ((fixp), (this_segment))) \
+ goto skip_label; \
+ while (0)
+extern int mips_validate_fix (struct fix *, asection *);
/* 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];
-#ifdef OBJ_ELF
+#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
#define elf_tc_final_processing mips_elf_final_processing
-extern void mips_elf_final_processing PARAMS ((void));
-
-#define ELF_TC_SPECIAL_SECTIONS \
- { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
- { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
- { ".lit4", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
- { ".lit8", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
- { ".ucode", SHT_MIPS_UCODE, 0 }, \
- { ".mdebug", SHT_MIPS_DEBUG, 0 },
-/* Other special sections not generated by the assembler: .reginfo,
- .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */
+extern void mips_elf_final_processing (void);
#endif
-extern void md_mips_end PARAMS ((void));
+extern void md_mips_end (void);
#define md_end() md_mips_end()
#define USE_GLOBAL_POINTER_OPT (OUTPUT_FLAVOR == bfd_target_ecoff_flavour \
+ || OUTPUT_FLAVOR == bfd_target_coff_flavour \
|| OUTPUT_FLAVOR == bfd_target_elf_flavour)
-extern void mips_pop_insert PARAMS ((void));
+extern void mips_pop_insert (void);
#define md_pop_insert() mips_pop_insert()
-extern void mips_flush_pending_output PARAMS ((void));
+extern void mips_flush_pending_output (void);
#define md_flush_pending_output mips_flush_pending_output
-extern void mips_enable_auto_align PARAMS ((void));
+extern void mips_enable_auto_align (void);
#define md_elf_section_change_hook() mips_enable_auto_align()
-extern void mips_init_after_args PARAMS ((void));
-#define tc_init_after_args mips_init_after_args
+extern enum dwarf2_format mips_dwarf2_format (void);
+#define DWARF2_FORMAT() mips_dwarf2_format ()
+
+#define DWARF2_ADDR_SIZE(bfd) \
+ (DWARF2_FORMAT () == dwarf2_format_32bit ? 4 : 8)
+
+typedef struct {
+ offsetT tc_fr_offset;
+} tc_frag_data_type;
+#define TC_FRAG_TYPE tc_frag_data_type
#endif /* TC_MIPS */
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