/* This file is tc-m68k.h
-
- Copyright (C) 1987, 89, 90, 91, 92, 93, 94, 95, 96, 1997
+ Copyright 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
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, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#define TC_M68K 1
+#ifdef ANSI_PROTOTYPES
+struct fix;
+#endif
+
#define TARGET_BYTES_BIG_ENDIAN 1
#ifdef OBJ_AOUT
#ifdef TE_AUX
#define TARGET_FORMAT "coff-m68k-aux"
#endif
+#ifdef TE_DELTA
+#define TARGET_FORMAT "coff-m68k-sysv"
+#endif
#ifndef COFF_MAGIC
#define COFF_MAGIC MC68MAGIC
#define COFF_FLAGS F_AR32W
#define TC_COUNT_RELOC(x) ((x)->fx_addsy||(x)->fx_subsy)
-#define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype(fixP)
+#define TC_COFF_FIX2RTYPE(FIX) tc_coff_fix2rtype(FIX)
#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
extern int tc_coff_sizemachdep PARAMS ((struct frag *));
#ifdef TE_SUN3
#if !defined (REGISTER_PREFIX_OPTIONAL)
#if defined (M68KCOFF) || defined (OBJ_ELF)
+#ifndef BFD_ASSEMBLER
#define LOCAL_LABEL(name) (name[0] == '.' \
&& (name[1] == 'L' || name[1] == '.'))
-#define FAKE_LABEL_NAME ".L0\001"
+#endif /* ! BFD_ASSEMBLER */
#define REGISTER_PREFIX_OPTIONAL 0
-#else
+#else /* ! (COFF || ELF) */
#define REGISTER_PREFIX_OPTIONAL 1
-#endif
+#endif /* ! (COFF || ELF) */
#endif /* not def REGISTER_PREFIX and not def OPTIONAL_REGISTER_PREFIX */
#ifdef TE_DELTA
-/* On the Delta, `%' can occur within a label name. I'm assuming it
- can't be used as the initial character. If that's not true, more
- work will be needed to fix this up. */
-#define LEX_PCT 1
+/* On the Delta, `%' can occur within a label name, but not as the
+ initial character. */
+#define LEX_PCT LEX_NAME
+/* On the Delta, `~' can start a label name, but is converted to '.'. */
+#define LEX_TILDE LEX_BEGIN_NAME
+#define tc_canonicalize_symbol_name(s) ((*(s) == '~' ? *(s) = '.' : '.'), s)
/* On the Delta, dots are not required before pseudo-ops. */
-#define NO_PSEUDO_DOT
+#define NO_PSEUDO_DOT 1
+#ifndef BFD_ASSEMBLER
+#undef LOCAL_LABEL
+#define LOCAL_LABEL(name) \
+ (name[0] == '.' || (name[0] == 'L' && name[1] == '%'))
+#endif
#endif
extern void m68k_mri_mode_change PARAMS ((int));
extern int m68k_conditional_pseudoop PARAMS ((pseudo_typeS *));
#define tc_conditional_pseudoop(pop) m68k_conditional_pseudoop (pop)
-#define tc_frob_label(sym) \
+extern void m68k_frob_label PARAMS ((symbolS *));
+#define tc_frob_label(sym) m68k_frob_label (sym)
+
+extern void m68k_flush_pending_output PARAMS ((void));
+#define md_flush_pending_output() m68k_flush_pending_output ()
+
+extern void m68k_frob_symbol PARAMS ((symbolS *));
+
+#ifdef BFD_ASSEMBLER
+
+#define tc_frob_symbol(sym,punt) \
do \
{ \
- if (S_GET_SEGMENT (sym) == text_section \
- && (S_GET_VALUE (sym) & 1) != 0) \
- as_warn ("text label `%s' aligned to odd boundary", \
- S_GET_NAME (sym)); \
+ if (S_GET_SEGMENT (sym) == reg_section) \
+ punt = 1; \
+ m68k_frob_symbol (sym); \
} \
while (0)
-#ifdef BFD_ASSEMBLER
-
-#define tc_frob_symbol(sym,punt) \
- if (S_GET_SEGMENT (sym) == reg_section) punt = 1
-
#define NO_RELOC BFD_RELOC_NONE
+#define RELAX_RELOC_ABS8 BFD_RELOC_8
+#define RELAX_RELOC_ABS16 BFD_RELOC_16
+#define RELAX_RELOC_ABS32 BFD_RELOC_32
+#define RELAX_RELOC_PC8 BFD_RELOC_8_PCREL
+#define RELAX_RELOC_PC16 BFD_RELOC_16_PCREL
+#define RELAX_RELOC_PC32 BFD_RELOC_32_PCREL
#ifdef OBJ_ELF
+#define tc_fix_adjustable(X) tc_m68k_fix_adjustable(X)
+extern int tc_m68k_fix_adjustable PARAMS ((struct fix *));
-/* 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. */
+/* Target *-*-elf implies an embedded target. No shared libs.
+ *-*-uclinux also requires special casing to prevent GAS from
+ generating unsupported R_68K_PC16 relocs. */
+#define EXTERN_FORCE_RELOC \
+ ((strcmp (TARGET_OS, "elf") != 0) && (strcmp (TARGET_OS, "uclinux") != 0))
-#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
- ((FIX)->fx_r_type != BFD_RELOC_8_PLT_PCREL \
- && (FIX)->fx_r_type != BFD_RELOC_16_PLT_PCREL \
- && (FIX)->fx_r_type != BFD_RELOC_32_PLT_PCREL \
- && (FIX)->fx_r_type != BFD_RELOC_8_GOT_PCREL \
- && (FIX)->fx_r_type != BFD_RELOC_16_GOT_PCREL \
- && (FIX)->fx_r_type != BFD_RELOC_32_GOT_PCREL)
+/* Values passed to md_apply_fix3 don't include symbol values. */
+#define MD_APPLY_SYM_VALUE(FIX) 0
-#define tc_fix_adjustable(X) tc_m68k_fix_adjustable(X)
+#define elf_tc_final_processing m68k_elf_final_processing
+extern void m68k_elf_final_processing PARAMS ((void));
#endif
-#else
-#define NO_RELOC 0
-#endif
+#else /* ! BFD_ASSEMBLER */
+
+#define tc_frob_coff_symbol(sym) m68k_frob_symbol (sym)
+
+#define NO_RELOC 0
+#define RELAX_RELOC_ABS8 0
+#define RELAX_RELOC_ABS16 0
+#define RELAX_RELOC_ABS32 0
+#define RELAX_RELOC_PC8 0
+#define RELAX_RELOC_PC16 0
+#define RELAX_RELOC_PC32 0
+
+#endif /* ! BFD_ASSEMBLER */
#define DIFF_EXPR_OK
#define md_operand(x)
-#define TARGET_WORD_SIZE 32
#define TARGET_ARCH bfd_arch_m68k
extern struct relax_type md_relax_table[];
#define TC_GENERIC_RELAX_TABLE md_relax_table
-/* Copied from write.c */
-/* This was formerly called M68K_AIM_KLUDGE. */
+/* We can't do a byte jump to the next instruction, so in that case
+ force word mode by faking AIM. */
#define md_prepare_relax_scan(fragP, address, aim, this_state, this_type) \
- if (aim==0 && this_state== 4) { /* hard encoded from tc-m68k.c */ \
- aim=this_type->rlx_forward+1; /* Force relaxation into word mode */ \
- }
+ do \
+ { \
+ if (aim == 0 && this_type->rlx_forward == 127) \
+ aim = 128; \
+ } \
+ while (0)
+
+#define DWARF2_LINE_MIN_INSN_LENGTH 2
+
+/* We want .cfi_* pseudo-ops for generating unwind info. */
+#define TARGET_USE_CFIPOP 1
+
+#define DWARF2_DEFAULT_RETURN_COLUMN 24
+#define DWARF2_CIE_DATA_ALIGNMENT (-4)
+
+#define tc_regname_to_dw2regnum tc_m68k_regname_to_dw2regnum
+extern int tc_m68k_regname_to_dw2regnum (const char *regname);
-/* end of tc-m68k.h */
+#define tc_cfi_frame_initial_instructions tc_m68k_frame_initial_instructions
+extern void tc_m68k_frame_initial_instructions (void);
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