111 lines
4.0 KiB
C
111 lines
4.0 KiB
C
/* tc-mn10300.h -- Header file for tc-mn10300.c.
|
|
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)
|
|
any later version.
|
|
|
|
GAS is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
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, 51 Franklin Street - Fifth Floor, Boston, MA
|
|
02110-1301, USA. */
|
|
|
|
#define TC_MN10300
|
|
|
|
#define TARGET_BYTES_BIG_ENDIAN 0
|
|
|
|
#define DIFF_EXPR_OK
|
|
#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
|
|
|
|
#define TC_FORCE_RELOCATION(FIX) \
|
|
(generic_force_reloc (FIX))
|
|
|
|
#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 *));
|
|
|
|
#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 *));
|
|
|
|
/* 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
|
|
|
|
/* 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
|
|
|
|
|
|
/* 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)
|
|
|
|
/* Permit temporary numeric labels. */
|
|
#define LOCAL_LABELS_FB 1
|
|
|
|
/* We don't need to handle .word strangely. */
|
|
#define WORKING_DOT_WORD
|
|
|
|
#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 *));
|
|
|
|
/* 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
|