/* tc-mn10300.h -- Header file for tc-mn10300.c.
- Copyright 1996, 1997, 2000, 2001, 2002, 2003
+ Copyright 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
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. */
#define TC_MN10300
#define TARGET_BYTES_BIG_ENDIAN 0
-#ifndef BFD_ASSEMBLER
- #error MN10300 support requires BFD_ASSEMBLER
-#endif
-
#define DIFF_EXPR_OK
#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
-#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
- ((FIX)->fx_r_type != BFD_RELOC_32_PLT_PCREL \
- && (FIX)->fx_r_type != BFD_RELOC_MN10300_GOT32 \
- && (FIX)->fx_r_type != BFD_RELOC_32_GOT_PCREL \
- && ((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))))
+#define TC_FORCE_RELOCATION(FIX) mn10300_force_relocation (FIX)
+extern bfd_boolean mn10300_force_relocation (struct fix *);
-#define md_parse_name(name, exprP, nextcharP) \
- mn10300_parse_name ((name), (exprP), (nextcharP))
-int mn10300_parse_name PARAMS ((char const *, expressionS *, char *));
+#define TC_FORCE_RELOCATION_LOCAL(FIX) \
+ (!(FIX)->fx_pcrel \
+ || (FIX)->fx_r_type == BFD_RELOC_32_PLT_PCREL \
+ || (FIX)->fx_r_type == BFD_RELOC_MN10300_GOT32 \
+ || (FIX)->fx_r_type == BFD_RELOC_32_GOT_PCREL \
+ || TC_FORCE_RELOCATION (FIX))
+
+#define md_parse_name(NAME, EXPRP, MODE, NEXTCHARP) \
+ mn10300_parse_name ((NAME), (EXPRP), (MODE), (NEXTCHARP))
+int mn10300_parse_name (char const *, expressionS *, enum expr_mode, char *);
#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP) \
mn10300_cons_fix_new ((FRAG), (OFF), (LEN), (EXP))
-void mn10300_cons_fix_new PARAMS ((fragS *, int, int, expressionS *));
+void mn10300_cons_fix_new (fragS *, int, int, expressionS *);
/* This is used to construct expressions out of @GOTOFF, @PLT and @GOT
symbols. The relocation type is stored in X_md. */
/* The target BFD architecture. */
#define TARGET_ARCH bfd_arch_mn10300
+#ifdef TE_LINUX
+#define TARGET_FORMAT "elf32-am33lin"
+#else
#define TARGET_FORMAT "elf32-mn10300"
+#endif
-/* No shared lib support, so we don't need to ensure externally
- visible symbols can be overridden. */
-#define EXTERN_FORCE_RELOC 0
/* Do not adjust relocations involving symbols in code sections,
because it breaks linker relaxations. This could be fixed in the
#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEC) \
(((SEC)->flags & SEC_CODE) != 0 \
|| ! SEG_NORMAL (SEC) \
+ || (FIX)->fx_r_type == BFD_RELOC_MN10300_ALIGN \
|| TC_FORCE_RELOCATION (FIX))
/* We validate subtract arguments within tc_gen_reloc(), so don't
report errors at this point. */
-#define TC_VALIDATE_FIX_SUB(FIX) 1
+#define TC_VALIDATE_FIX_SUB(FIX, SEG) 1
/* Fixup debug sections since we will never relax them. Ideally, we
could do away with this and instead check every single fixup with
#define md_number_to_chars number_to_chars_littleendian
-/* Don't bother to adjust relocs. */
-#define tc_fix_adjustable(FIX) 0
-/* #define tc_fix_adjustable(FIX) mn10300_fix_adjustable (FIX) */
-extern bfd_boolean mn10300_fix_adjustable PARAMS ((struct fix *));
+#define tc_fix_adjustable(FIX) mn10300_fix_adjustable (FIX)
+extern bfd_boolean mn10300_fix_adjustable (struct fix *);
/* We do relaxing in the assembler as well as the linker. */
extern const struct relax_type md_relax_table[];
#define TC_GENERIC_RELAX_TABLE md_relax_table
#define DWARF2_LINE_MIN_INSN_LENGTH 1
+
+/* The difference between same-section symbols may be affected by linker
+ relaxation, so do not resolve such expressions in the assembler. */
+#define md_allow_local_subtract(l,r,s) mn10300_allow_local_subtract (l, r, s)
+extern bfd_boolean mn10300_allow_local_subtract (expressionS *, expressionS *, segT);
+
+#define RELOC_EXPANSION_POSSIBLE
+#define MAX_RELOC_EXPANSION 2
+
+#define TC_FRAG_TYPE bfd_boolean
+
+#define HANDLE_ALIGN(frag) mn10300_handle_align (frag)
+extern void mn10300_handle_align (fragS *);
+
+/* Only allow call frame debug info optimization when linker relaxation is
+ not enabled as otherwise we could generate the DWARF directives without
+ the relocs necessary to patch them up. */
+#define md_allow_eh_opt (linkrelax == 0)
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