/* This file is tc-arm.h
Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004 Free Software Foundation, Inc.
+ 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
Modified by David Taylor (dtaylor@armltd.co.uk)
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,
#define COFF_MAGIC ARMMAGIC
#define TARGET_ARCH bfd_arch_arm
-#define AOUT_MACHTYPE 0
-
#define DIFF_EXPR_OK
#ifdef LITTLE_ENDIAN
# if defined TE_PE
# if defined TE_EPOC
# define TARGET_FORMAT (target_big_endian ? "epoc-pe-arm-big" : "epoc-pe-arm-little")
+# elif defined TE_WINCE
+# define TARGET_FORMAT (target_big_endian ? "pe-arm-wince-big" : "pe-arm-wince-little")
# else
# define TARGET_FORMAT (target_big_endian ? "pe-arm-big" : "pe-arm-little")
# endif
#define TC_FORCE_RELOCATION(FIX) arm_force_relocation (FIX)
-#define md_convert_frag(b, s, f) { as_fatal (_("arm convert_frag\n")); }
+#define md_relax_frag(segment, fragp, stretch) \
+ arm_relax_frag(segment, fragp, stretch)
+extern int arm_relax_frag (asection *, struct frag *, long);
+
+#define md_optimize_expr(l,o,r) arm_optimize_expr (l, o, r)
+extern int arm_optimize_expr (expressionS *, operatorT, expressionS *);
#define md_cleanup() arm_cleanup ()
/* We also need to mark assembler created symbols: */
#define tc_frob_fake_label(S) arm_frob_label (S)
+#ifdef OBJ_ELF
+#define md_end arm_md_end
+extern void arm_md_end (void);
+bfd_boolean arm_is_eabi (void);
+#endif
+
/* NOTE: The fake label creation in stabs.c:s_stab_generic() has
deliberately not been updated to mark assembler created stabs
symbols as Thumb. */
#define ARM_IS_THUMB(s) (ARM_GET_FLAG (s) & ARM_FLAG_THUMB)
#define ARM_IS_INTERWORK(s) (ARM_GET_FLAG (s) & ARM_FLAG_INTERWORK)
+#ifdef OBJ_ELF
+
+/* For ELF objects THUMB_IS_FUNC is inferred from
+ ARM_IS_TUMB and the function type. */
+#define THUMB_IS_FUNC(s) \
+ ((arm_is_eabi () \
+ && (ARM_IS_THUMB (s)) \
+ && (symbol_get_bfdsym (s)->flags & BSF_FUNCTION)) \
+ || (ARM_GET_FLAG (s) & THUMB_FLAG_FUNC))
+
+#else
#define THUMB_IS_FUNC(s) (ARM_GET_FLAG (s) & THUMB_FLAG_FUNC)
+#endif
#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))
+void arm_copy_symbol_attributes (symbolS *, symbolS *);
+#ifndef TC_COPY_SYMBOL_ATTRIBUTES
+#define TC_COPY_SYMBOL_ATTRIBUTES(DEST, SRC) \
+ (arm_copy_symbol_attributes (DEST, SRC))
+#endif
+
#define TC_START_LABEL(C,STR) (c == ':' || (c == '/' && arm_data_in_code ()))
#define tc_canonicalize_symbol_name(str) arm_canonicalize_symbol_name (str);
#define obj_adjust_symtab() arm_adjust_symtab ()
-#define tc_aout_pre_write_hook(x) {;} /* not used */
#define LISTING_HEADER "ARM GAS "
#define OPTIONAL_REGISTER_PREFIX '%'
-#define LOCAL_LABEL(name) (name[0] == '.' && (name[1] == 'L'))
-#define LOCAL_LABELS_FB 1
+#define LOCAL_LABEL(name) (name[0] == '.' && name[1] == 'L')
+#define LOCAL_LABELS_FB 1
/* This expression evaluates to true if the relocation is for a local
object for which we still want to do the relocation at runtime.
#define TC_FORCE_RELOCATION_LOCAL(FIX) \
(!(FIX)->fx_pcrel \
- || (FIX)->fx_plt \
|| (FIX)->fx_r_type == BFD_RELOC_ARM_GOT32 \
|| (FIX)->fx_r_type == BFD_RELOC_32 \
|| TC_FORCE_RELOCATION (FIX))
+/* Force output of R_ARM_REL32 relocations against thumb function symbols.
+ This is needed to ensure the low bit is handled correctly. */
+#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \
+ (THUMB_IS_FUNC ((FIX)->fx_addsy) \
+ || !SEG_NORMAL (SEG))
+
#define TC_CONS_FIX_NEW cons_fix_new_arm
#define MAX_MEM_FOR_RS_ALIGN_CODE 31
goto LABEL; \
}
+#define DWARF2_LINE_MIN_INSN_LENGTH 2
+
+/* The lr register is r14. */
+#define DWARF2_DEFAULT_RETURN_COLUMN 14
+
+/* Registers are generally saved at negative offsets to the CFA. */
+#define DWARF2_CIE_DATA_ALIGNMENT (-4)
+
#ifdef OBJ_ELF
-# define DWARF2_LINE_MIN_INSN_LENGTH 2
# define obj_frob_symbol(sym, punt) armelf_frob_symbol ((sym), & (punt))
# define md_elf_section_change_hook() arm_elf_change_section ()
# define md_elf_section_type(str, len) arm_elf_section_type (str, len)
# define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
-# define LOCAL_LABEL_PREFIX '.'
# define TC_SEGMENT_INFO_TYPE struct arm_segment_info_type
+/* This is not really an alignment operation, but it's something we
+ need to do at the same time: whenever we are figuring out the
+ alignment for data, we should check whether a $d symbol is
+ necessary. */
+# define md_cons_align(nbytes) mapping_state (MAP_DATA)
+
enum mstate
{
MAP_UNDEFINED = 0, /* Must be zero, for seginfo in new sections. */
MAP_THUMB
};
+void mapping_state (enum mstate);
+
struct arm_segment_info_type
{
enum mstate mapstate;
/* We want .cfi_* pseudo-ops for generating unwind info. */
#define TARGET_USE_CFIPOP 1
-/* The lr register is r14. */
-#define DWARF2_DEFAULT_RETURN_COLUMN 14
-
-/* Registers are generally saved at negative offsets to the CFA. */
-#define DWARF2_CIE_DATA_ALIGNMENT -4
-
/* CFI hooks. */
#define tc_regname_to_dw2regnum tc_arm_regname_to_dw2regnum
#define tc_cfi_frame_initial_instructions tc_arm_frame_initial_instructions
# define EXTERN_FORCE_RELOC 1
# define tc_fix_adjustable(FIX) arm_fix_adjustable (FIX)
-/* Values passed to md_apply_fix3 don't include the symbol value. */
+/* Values passed to md_apply_fix don't include the symbol value. */
# define MD_APPLY_SYM_VALUE(FIX) 0
# define TC_VALIDATE_FIX(FIX, SEGTYPE, LABEL) arm_validate_fix (FIX)
#endif
+#define MD_PCREL_FROM_SECTION(F,S) md_pcrel_from_section(F,S)
+
+extern long md_pcrel_from_section (struct fix *, segT);
extern void arm_frag_align_code (int, int);
extern void arm_validate_fix (struct fix *);
extern const char * elf32_arm_target_format (void);
extern void arm_handle_align (struct frag *);
extern bfd_boolean arm_fix_adjustable (struct fix *);
extern int arm_elf_section_type (const char *, size_t);
-extern int tc_arm_regname_to_dw2regnum (const char *regname);
+extern int tc_arm_regname_to_dw2regnum (char *regname);
extern void tc_arm_frame_initial_instructions (void);
+
+#ifdef TE_PE
+
+#define O_secrel O_md1
+
+#define TC_DWARF2_EMIT_OFFSET tc_pe_dwarf2_emit_offset
+void tc_pe_dwarf2_emit_offset (symbolS *, unsigned int);
+
+#endif /* TE_PE */
+
+extern int arm_convert_symbolic_attribute (const char *);
+#define CONVERT_SYMBOLIC_ATTRIBUTE(name) arm_convert_symbolic_attribute (name)
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