19990502 sourceware importbinu_ss_19990502

1 files changed, 204 insertions, 0 deletions

diff --git a/gas/config/tc-arm.h b/gas/config/tc-arm.h
new file mode 100644
index 0000000..bf99e24
--- /dev/null
+++ b/gas/config/tc-arm.h
@@ -0,0 +1,204 @@
+/* This file is tc-arm.h
+   Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
+	Modified by David Taylor (dtaylor@armltd.co.uk)
+
+   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_ARM 1
+
+#ifndef TARGET_BYTES_BIG_ENDIAN
+#define TARGET_BYTES_BIG_ENDIAN 0
+#endif
+
+#define WORKING_DOT_WORD
+
+#define COFF_MAGIC 	ARMMAGIC
+#define TARGET_ARCH 	bfd_arch_arm
+
+#define AOUT_MACHTYPE 	0
+
+#define DIFF_EXPR_OK
+
+#ifdef  LITTLE_ENDIAN
+#undef  LITTLE_ENDIAN
+#endif
+
+#ifdef  BIG_ENDIAN
+#undef  BIG_ENDIAN
+#endif
+
+#define LITTLE_ENDIAN 	1234
+#define BIG_ENDIAN 	4321
+
+#if defined OBJ_AOUT
+#if defined TE_RISCIX
+# define TARGET_FORMAT "a.out-riscix"
+#elif defined TE_LINUX
+# define ARM_BI_ENDIAN
+# define TARGET_FORMAT "a.out-arm-linux"
+#elif defined TE_NetBSD
+# define TARGET_FORMAT "a.out-arm-netbsd"
+#else
+# define ARM_BI_ENDIAN
+# define TARGET_FORMAT \
+  (target_big_endian ? "a.out-arm-big" : "a.out-arm-little")
+#endif
+#endif /* OBJ_AOUT */
+
+#ifdef OBJ_AIF
+#define TARGET_FORMAT "aif"
+#endif
+
+#if defined OBJ_COFF || defined OBJ_ELF
+# define ARM_BI_ENDIAN
+     
+# define TC_VALIDATE_FIX(fixP, segType, Label) \
+     if (arm_validate_fix (fixP)) add_symbolP = fixP->fx_addsy
+  extern boolean arm_validate_fix PARAMS ((struct fix *));
+#endif
+     
+#ifdef OBJ_COFF
+# if defined TE_PE
+#  define TC_FORCE_RELOCATION(x) ((x)->fx_r_type == BFD_RELOC_RVA)
+#   ifdef TE_EPOC
+#    define TARGET_FORMAT (target_big_endian ? "epoc-pe-arm-big" : "epoc-pe-arm-little")
+#   else
+#    define TARGET_FORMAT (target_big_endian ? "pe-arm-big" : "pe-arm-little")
+#   endif
+# else
+#  define TARGET_FORMAT (target_big_endian ? "coff-arm-big" : "coff-arm-little")
+# endif
+#endif
+
+#ifdef OBJ_ELF
+# define TARGET_FORMAT elf32_arm_target_format()
+  extern const char * elf32_arm_target_format PARAMS ((void));
+  
+# define TC_FORCE_RELOCATION(fixp) arm_force_relocation (fixp)
+  extern int arm_force_relocation PARAMS ((struct fix *));
+#endif
+
+#define md_convert_frag(b, s, f) {as_fatal (_("arm convert_frag\n"));}
+
+#define md_cleanup() arm_cleanup ()
+ extern void arm_cleanup PARAMS ((void));
+
+#define md_start_line_hook() arm_start_line_hook ()
+ extern void arm_start_line_hook PARAMS ((void));
+
+#define tc_frob_label(S) arm_frob_label (S)
+ extern void arm_frob_label PARAMS ((struct symbol *));
+
+/* We also need to mark assembler created symbols:  */
+#define tc_frob_fake_label(S) arm_frob_label (S)
+
+/* NOTE: The fake label creation in stabs.c:s_stab_generic() has
+   deliberately not been updated to mark assembler created stabs
+   symbols as Thumb.  */
+
+#ifdef OBJ_ELF
+#define obj_fix_adjustable(fixP) arm_fix_adjustable (fixP)
+#else
+#define obj_fix_adjustable(fixP) 0
+#endif
+
+/* We need to keep some local information on symbols.  */
+
+#define TC_SYMFIELD_TYPE unsigned int
+#define ARM_GET_FLAG(s)   	((s)->sy_tc)
+#define ARM_SET_FLAG(s,v) 	((s)->sy_tc |= (v))
+#define ARM_RESET_FLAG(s,v) 	((s)->sy_tc &= ~(v))
+
+#define ARM_FLAG_THUMB 		(1 << 0)	/* The symbol is a Thumb symbol rather than an Arm symbol.  */
+#define ARM_FLAG_INTERWORK 	(1 << 1)	/* The symbol is attached to code that suppports interworking.  */
+#define THUMB_FLAG_FUNC		(1 << 2)	/* The symbol is attached to the start of a Thumb function.  */
+
+#define ARM_IS_THUMB(s)		(ARM_GET_FLAG (s) & ARM_FLAG_THUMB)
+#define ARM_IS_INTERWORK(s)	(ARM_GET_FLAG (s) & ARM_FLAG_INTERWORK)
+#define THUMB_IS_FUNC(s)	(ARM_GET_FLAG (s) & THUMB_FLAG_FUNC)
+
+#define ARM_SET_THUMB(s,t)      ((t) ? ARM_SET_FLAG (s, ARM_FLAG_THUMB)     : ARM_RESET_FLAG (s, ARM_FLAG_THUMB))
+#define ARM_SET_INTERWORK(s,t)  ((t) ? ARM_SET_FLAG (s, ARM_FLAG_INTERWORK) : ARM_RESET_FLAG (s, ARM_FLAG_INTERWORK))
+#define THUMB_SET_FUNC(s,t)     ((t) ? ARM_SET_FLAG (s, THUMB_FLAG_FUNC)    : ARM_RESET_FLAG (s, THUMB_FLAG_FUNC))
+
+
+#define TC_FIX_TYPE PTR
+#define TC_INIT_FIX_DATA(FIXP) ((FIXP)->tc_fix_data = NULL)
+
+#define TC_START_LABEL(C,STR) \
+  (c == ':' || (c == '/' && arm_data_in_code ()))
+int arm_data_in_code PARAMS ((void));
+
+#define tc_canonicalize_symbol_name(str) \
+ arm_canonicalize_symbol_name (str);
+char * arm_canonicalize_symbol_name PARAMS ((char *));
+
+#define obj_adjust_symtab() arm_adjust_symtab ()
+ extern void arm_adjust_symtab PARAMS ((void));
+
+#ifdef OBJ_ELF
+#define obj_frob_symbol(sym, punt)  armelf_frob_symbol (sym, punt)
+#endif
+
+#define tc_aout_pre_write_hook(x)	{;}	/* not used */
+
+#define LISTING_HEADER "ARM GAS "
+
+#define OPTIONAL_REGISTER_PREFIX '%'
+
+#define md_operand(x)
+
+#define TC_HANDLES_FX_DONE
+
+#define MD_APPLY_FIX3
+
+#define LOCAL_LABEL(name) (name[0] == '.' && (name[1] == 'L'))
+#define LOCAL_LABELS_FB   1
+
+/* 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.
+   This is only used for pcrel relocations, so GOTOFF does not need to be
+   checked here.  I am not sure if some of the others are ever used with
+   pcrel, but it is easier to be safe than sorry.  */
+
+#define TC_RELOC_RTSYM_LOC_FIXUP(FIX)  \
+   (  (FIX)->fx_r_type != BFD_RELOC_ARM_GOT12 \
+   && (FIX)->fx_r_type != BFD_RELOC_ARM_GOT32 \
+   && (FIX)->fx_r_type != BFD_RELOC_32)
+
+#define TC_CONS_FIX_NEW cons_fix_new_arm
+ extern void cons_fix_new_arm PARAMS ((fragS *, int, int, expressionS *));
+
+/* Don't allow symbols to be discarded on GOT related relocs,
+   nor on globals.  */ 
+#define tc_fix_adjustable(x) (\
+     ((x)->fx_r_type == BFD_RELOC_ARM_PLT32 \
+   || (x)->fx_r_type == BFD_RELOC_ARM_GOT32 \
+   || (x)->fx_r_type == BFD_RELOC_ARM_GOTOFF \
+   || S_IS_EXTERN ((x)->fx_addsy) \
+   || S_IS_WEAK ((x)->fx_addsy)) ? 0 : 1)
+     
+#ifdef OBJ_ELF
+#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
+#else
+#define GLOBAL_OFFSET_TABLE_NAME "__GLOBAL_OFFSET_TABLE_"
+#endif
+     
+/* end of tc-arm.h */