c03099e682
* README: Likewise. * config/tc-d10v.c: Fix a comment typo. * config/tc-dlx.c: Likewise. * config/tc-h8300.h: Likewise. * config/tc-h8500.h: Likewise. * config/tc-mips.c: Likewise. * config/tc-s390.c: Likewise. * config/tc-sh.h: Likewise. * config/tc-tic80.h: Likewise. * config/tc-w65.h: Likewise. * config/tc-z8k.c: Likewise. * config/tc-z8k.h: Likewise. * testsuite/gas/h8300/cmpsi2.s: Likewise.
264 lines
8.7 KiB
C
264 lines
8.7 KiB
C
/* This file is tc-sh.h
|
|
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
|
|
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, 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#define TC_SH
|
|
|
|
#define TARGET_ARCH bfd_arch_sh
|
|
|
|
#if ANSI_PROTOTYPES
|
|
/* The type fixS is defined (to struct fix) in write.h, but write.h uses
|
|
definitions from this file. To avoid problems with including write.h
|
|
after the "right" definitions, don't; just forward-declare struct fix
|
|
here. */
|
|
struct fix;
|
|
struct segment_info_struct;
|
|
struct internal_reloc;
|
|
#endif
|
|
|
|
/* Whether -relax was used. */
|
|
extern int sh_relax;
|
|
|
|
/* Whether -small was used. */
|
|
extern int sh_small;
|
|
|
|
/* Don't try to break words. */
|
|
#define WORKING_DOT_WORD
|
|
|
|
/* All SH instructions are multiples of 16 bits. */
|
|
#define DWARF2_LINE_MIN_INSN_LENGTH 2
|
|
|
|
/* We require .long, et. al., to be aligned correctly. */
|
|
#define md_cons_align(nbytes) sh_cons_align (nbytes)
|
|
extern void sh_cons_align PARAMS ((int));
|
|
|
|
/* When relaxing, we need to generate relocations for alignment
|
|
directives. */
|
|
#define HANDLE_ALIGN(frag) sh_handle_align (frag)
|
|
extern void sh_handle_align PARAMS ((fragS *));
|
|
|
|
#define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2)
|
|
|
|
/* We need to force out some relocations when relaxing. */
|
|
#define TC_FORCE_RELOCATION(fix) sh_force_relocation (fix)
|
|
extern int sh_force_relocation PARAMS ((struct fix *));
|
|
|
|
/* This macro decides whether a particular reloc is an entry in a
|
|
switch table. It is used when relaxing, because the linker needs
|
|
to know about all such entries so that it can adjust them if
|
|
necessary. */
|
|
|
|
#ifdef BFD_ASSEMBLER
|
|
#define SWITCH_TABLE_CONS(FIX) (0)
|
|
#else
|
|
#define SWITCH_TABLE_CONS(FIX) \
|
|
((FIX)->fx_r_type == 0 \
|
|
&& ((FIX)->fx_size == 2 \
|
|
|| (FIX)->fx_size == 1 \
|
|
|| (FIX)->fx_size == 4))
|
|
#endif
|
|
|
|
#define SWITCH_TABLE(FIX) \
|
|
((FIX)->fx_addsy != NULL \
|
|
&& (FIX)->fx_subsy != NULL \
|
|
&& S_GET_SEGMENT ((FIX)->fx_addsy) == text_section \
|
|
&& S_GET_SEGMENT ((FIX)->fx_subsy) == text_section \
|
|
&& ((FIX)->fx_r_type == BFD_RELOC_32 \
|
|
|| (FIX)->fx_r_type == BFD_RELOC_16 \
|
|
|| (FIX)->fx_r_type == BFD_RELOC_8 \
|
|
|| SWITCH_TABLE_CONS (FIX)))
|
|
|
|
#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \
|
|
(! SEG_NORMAL (SEG) \
|
|
|| (sh_relax && SWITCH_TABLE (FIX)))
|
|
|
|
/* Don't complain when we leave fx_subsy around. */
|
|
#define TC_VALIDATE_FIX_SUB(FIX) \
|
|
(sh_relax && SWITCH_TABLE (FIX))
|
|
|
|
#define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section (FIX, SEC)
|
|
extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
|
|
|
|
#define IGNORE_NONSTANDARD_ESCAPES
|
|
|
|
#define LISTING_HEADER \
|
|
(!target_big_endian \
|
|
? "Hitachi Super-H GAS Little Endian" : "Hitachi Super-H GAS Big Endian")
|
|
|
|
#define md_operand(x)
|
|
|
|
extern const struct relax_type md_relax_table[];
|
|
#define TC_GENERIC_RELAX_TABLE md_relax_table
|
|
|
|
/* We record, for each section, whether we have most recently output a
|
|
CODE reloc or a DATA reloc. */
|
|
struct sh_segment_info_type
|
|
{
|
|
int in_code : 1;
|
|
};
|
|
#define TC_SEGMENT_INFO_TYPE struct sh_segment_info_type
|
|
|
|
/* We call a routine to emit a reloc for a label, so that the linker
|
|
can align loads and stores without crossing a label. */
|
|
extern void sh_frob_label PARAMS ((void));
|
|
#define tc_frob_label(sym) sh_frob_label ()
|
|
|
|
/* We call a routine to flush pending output in order to output a DATA
|
|
reloc when required. */
|
|
extern void sh_flush_pending_output PARAMS ((void));
|
|
#define md_flush_pending_output() sh_flush_pending_output ()
|
|
|
|
#ifdef BFD_ASSEMBLER
|
|
#define tc_frob_file_before_adjust sh_frob_file
|
|
#else
|
|
#define tc_frob_file sh_frob_file
|
|
#endif
|
|
extern void sh_frob_file PARAMS ((void));
|
|
|
|
|
|
#ifdef OBJ_COFF
|
|
/* COFF specific definitions. */
|
|
|
|
#define DO_NOT_STRIP 0
|
|
|
|
/* This macro translates between an internal fix and a coff reloc type. */
|
|
#define TC_COFF_FIX2RTYPE(fix) ((fix)->fx_r_type)
|
|
|
|
#define BFD_ARCH TARGET_ARCH
|
|
|
|
#define COFF_MAGIC (!target_big_endian ? SH_ARCH_MAGIC_LITTLE : SH_ARCH_MAGIC_BIG)
|
|
|
|
/* We need to write out relocs which have not been completed. */
|
|
#define TC_COUNT_RELOC(fix) ((fix)->fx_addsy != NULL)
|
|
|
|
#define TC_RELOC_MANGLE(seg, fix, int, paddr) \
|
|
sh_coff_reloc_mangle ((seg), (fix), (int), (paddr))
|
|
extern void sh_coff_reloc_mangle
|
|
PARAMS ((struct segment_info_struct *, struct fix *,
|
|
struct internal_reloc *, unsigned int));
|
|
|
|
#define tc_coff_symbol_emit_hook(a) ; /* not used */
|
|
|
|
#define NEED_FX_R_TYPE 1
|
|
|
|
#define TC_KEEP_FX_OFFSET 1
|
|
|
|
#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
|
|
extern int tc_coff_sizemachdep PARAMS ((fragS *));
|
|
|
|
#ifdef BFD_ASSEMBLER
|
|
#define SEG_NAME(SEG) segment_name (SEG)
|
|
#else
|
|
#define SEG_NAME(SEG) obj_segment_name (SEG)
|
|
#endif
|
|
|
|
/* We align most sections to a 16 byte boundary. */
|
|
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \
|
|
(strncmp (SEG_NAME (SEG), ".stabstr", 8) == 0 \
|
|
? 0 \
|
|
: ((strncmp (SEG_NAME (SEG), ".stab", 5) == 0 \
|
|
|| strcmp (SEG_NAME (SEG), ".ctors") == 0 \
|
|
|| strcmp (SEG_NAME (SEG), ".dtors") == 0) \
|
|
? 2 \
|
|
: (sh_small ? 2 : 4)))
|
|
|
|
#endif /* OBJ_COFF */
|
|
|
|
#ifdef OBJ_ELF
|
|
/* ELF specific definitions. */
|
|
|
|
/* Whether or not the target is big endian */
|
|
extern int target_big_endian;
|
|
#ifdef TE_LINUX
|
|
#define TARGET_FORMAT (!target_big_endian ? "elf32-sh-linux" : "elf32-shbig-linux")
|
|
#elif defined(TE_NetBSD)
|
|
#define TARGET_FORMAT (!target_big_endian ? "elf32-shl-nbsd" : "elf32-sh-nbsd")
|
|
#else
|
|
#define TARGET_FORMAT (!target_big_endian ? "elf32-shl" : "elf32-sh")
|
|
#endif
|
|
|
|
#define elf_tc_final_processing sh_elf_final_processing
|
|
extern void sh_elf_final_processing PARAMS ((void));
|
|
|
|
#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */
|
|
|
|
#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
|
|
|
|
/* This is the relocation type for direct references to
|
|
GLOBAL_OFFSET_TABLE. It comes up in complicated expressions such
|
|
as _GLOBAL_OFFSET_TABLE_+[.-.L284], which cannot be expressed
|
|
normally with the regular expressions. The fixup specified here
|
|
when used at runtime implies that we should add the address of the
|
|
GOT to the specified location, and as a result we have simplified
|
|
the expression into something we can use. */
|
|
#define TC_RELOC_GLOBAL_OFFSET_TABLE BFD_RELOC_SH_GOTPC
|
|
|
|
#define tc_fix_adjustable(FIX) sh_fix_adjustable(FIX)
|
|
extern bfd_boolean sh_fix_adjustable PARAMS ((struct fix *));
|
|
|
|
/* Values passed to md_apply_fix3 don't include symbol values. */
|
|
#define MD_APPLY_SYM_VALUE(FIX) 0
|
|
|
|
/* This expression evaluates to true if the relocation is for a local object
|
|
for which we still want to do the relocation at runtime. False if we
|
|
are willing to perform this relocation while building the .o file.
|
|
|
|
We can't resolve references to the GOT or the PLT when creating the
|
|
object file, since these tables are only created by the linker.
|
|
Also, if the symbol is global, weak, common or not defined, the
|
|
assembler can't compute the appropriate reloc, since its location
|
|
can only be determined at link time. */
|
|
|
|
#define TC_FORCE_RELOCATION_LOCAL(FIX) \
|
|
(!(FIX)->fx_pcrel \
|
|
|| (FIX)->fx_plt \
|
|
|| (FIX)->fx_r_type == BFD_RELOC_32_PLT_PCREL \
|
|
|| (FIX)->fx_r_type == BFD_RELOC_32_GOT_PCREL \
|
|
|| (FIX)->fx_r_type == BFD_RELOC_SH_GOTPC \
|
|
|| TC_FORCE_RELOCATION (FIX))
|
|
|
|
/* This keeps the subtracted symbol around, for use by PLT_PCREL
|
|
relocs. */
|
|
#define TC_FORCE_RELOCATION_SUB_ABS(FIX) \
|
|
((FIX)->fx_r_type == BFD_RELOC_32_PLT_PCREL \
|
|
|| S_FORCE_RELOC ((FIX)->fx_subsy))
|
|
|
|
/* Don't complain when we leave fx_subsy around. */
|
|
#undef TC_VALIDATE_FIX_SUB
|
|
#define TC_VALIDATE_FIX_SUB(FIX) \
|
|
((FIX)->fx_r_type == BFD_RELOC_32_PLT_PCREL \
|
|
|| (sh_relax && SWITCH_TABLE (FIX)))
|
|
|
|
#define md_parse_name(name, exprP, nextcharP) \
|
|
sh_parse_name ((name), (exprP), (nextcharP))
|
|
int sh_parse_name PARAMS ((char const *name,
|
|
expressionS *exprP,
|
|
char *nextchar));
|
|
|
|
#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP) \
|
|
sh_cons_fix_new ((FRAG), (OFF), (LEN), (EXP))
|
|
void sh_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
|
|
|
|
#endif /* OBJ_ELF */
|