/* tc-mn10300.h -- Header file for tc-mn10300.c.
- Copyright 1996, 1997, 2000 Free Software Foundation, Inc.
+ Copyright 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2007
+ 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_"
-/* The target BFD architecture. */
-#define TARGET_ARCH bfd_arch_mn10300
+#define TC_FORCE_RELOCATION(FIX) \
+ (generic_force_reloc (FIX))
-#define TARGET_FORMAT "elf32-mn10300"
+#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 PARAMS ((char const *, expressionS *,
+ enum expr_mode, char *));
-/* For fixup and relocation handling. */
-#define TC_FORCE_RELOCATION(fixp) mn10300_force_relocation (fixp)
-extern int mn10300_force_relocation PARAMS ((struct fix *));
+#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 *));
-#define TC_HANDLES_FX_DONE
+/* This is used to construct expressions out of @GOTOFF, @PLT and @GOT
+ symbols. The relocation type is stored in X_md. */
+#define O_PIC_reloc O_md1
-#define obj_fix_adjustable(fixP) mn10300_fix_adjustable (fixP)
-extern boolean mn10300_fix_adjustable PARAMS ((struct fix *));
+/* 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
-#define MD_APPLY_FIX3 md_apply_fix3
-/* Fixup debug sections since we will never relax them. */
+/* Do not adjust relocations involving symbols in code sections,
+ because it breaks linker relaxations. This could be fixed in the
+ linker, but this fix is simpler, and it pretty much only affects
+ object size a little bit. */
+#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEC) \
+ (((SEC)->flags & SEC_CODE) != 0 \
+ || ! SEG_NORMAL (SEC) \
+ || 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
+
+/* Fixup debug sections since we will never relax them. Ideally, we
+ could do away with this and instead check every single fixup with
+ TC_FORCE_RELOCATION and TC_FORCE_RELOCATION_SUB_NAME, verifying
+ that the sections of the referenced symbols (and not the sections
+ in which the fixup appears) may be subject to relaxation. We'd
+ still have to check the section in which the fixup appears, because
+ we want to do some simplifications in debugging info that might
+ break in real code.
+
+ Using the infrastructure in write.c to simplify subtraction fixups
+ would enable us to remove a lot of code from tc_gen_reloc(), but
+ this is simpler, faster, and produces almost the same effect.
+ Also, in the macros above, we can't check whether the fixup is in a
+ debugging section or not, so we have to use this for now. */
#define TC_LINKRELAX_FIXUP(seg) (seg->flags & SEC_ALLOC)
#define md_operand(x)
#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) 0 */
+#define tc_fix_adjustable(FIX) mn10300_fix_adjustable (FIX)
+extern bfd_boolean mn10300_fix_adjustable PARAMS ((struct fix *));
/* We do relaxing in the assembler as well as the linker. */
extern const struct relax_type md_relax_table[];
projects / deliverable / binutils-gdb.git / blobdiff