/* tc-mips.h -- header file for tc-mips.c.
- Copyright 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007, 2008, 2009, 2010 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.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
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. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#ifndef TC_MIPS
#define TC_MIPS
#define md_undefined_symbol(name) (0)
#define md_operand(x)
+extern char mips_nop_opcode (void);
+#define NOP_OPCODE (mips_nop_opcode ())
+
extern void mips_handle_align (struct frag *);
#define HANDLE_ALIGN(fragp) mips_handle_align (fragp)
-#define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2)
+#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4)
+
+struct insn_label_list;
+struct mips_segment_info {
+ struct insn_label_list *labels;
+ unsigned int mips16 : 1;
+};
+#define TC_SEGMENT_INFO_TYPE struct mips_segment_info
-/* We permit PC relative difference expressions when generating
- embedded PIC code. */
-#define DIFF_EXPR_OK
+/* This field is nonzero if the symbol is the target of a MIPS16 jump. */
+#define TC_SYMFIELD_TYPE int
/* Tell assembler that we have an itbl_mips.h header file to include. */
#define HAVE_ITBL_CPU
/* 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
+ /* VxWorks's PIC model. */
+ VXWORKS_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 (int frame);
#define md_after_parse_args() mips_after_parse_args()
#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. */
+/* 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.
- When generating embedded code, we don't have shared libs. */
+/* Global syms must not be resolved, to support ELF shared libraries. */
#define EXTERN_FORCE_RELOC \
- (OUTPUT_FLAVOR == bfd_target_elf_flavour \
- && mips_pic != EMBEDDED_PIC)
+ (OUTPUT_FLAVOR == bfd_target_elf_flavour)
-/* When generating embedded PIC code we must keep PC relative
- relocations. */
+/* 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))
-/* 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 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 (void);
#define md_pop_insert() mips_pop_insert()
-extern void mips_flush_pending_output (void);
-#define md_flush_pending_output mips_flush_pending_output
+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 ()
+#ifdef TE_IRIX
+enum dwarf2_format;
+extern enum dwarf2_format mips_dwarf2_format (asection *);
+# define DWARF2_FORMAT(SEC) mips_dwarf2_format (SEC)
+#else
+/* Use GAS' defaults. */
+#endif
+
+extern int mips_dwarf2_addr_size (void);
+#define DWARF2_ADDR_SIZE(bfd) mips_dwarf2_addr_size ()
+#define DWARF2_FDE_RELOC_SIZE 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 tc_regname_to_dw2regnum tc_mips_regname_to_dw2regnum
+extern int tc_mips_regname_to_dw2regnum (char *regname);
-#define DWARF2_ADDR_SIZE(bfd) \
- (DWARF2_FORMAT () == dwarf2_format_32bit ? 4 : 8)
+#define DWARF2_DEFAULT_RETURN_COLUMN 31
+#define DWARF2_CIE_DATA_ALIGNMENT (-4)
#endif /* TC_MIPS */
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