186 lines
6.0 KiB
C
186 lines
6.0 KiB
C
/* tc-sparc.h - Macros and type defines for the sparc.
|
|
Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
|
|
1999, 2000, 2001, 2002, 2003, 2005 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. */
|
|
|
|
#ifndef TC_SPARC
|
|
#define TC_SPARC 1
|
|
|
|
struct frag;
|
|
|
|
/* This is used to set the default value for `target_big_endian'. */
|
|
#define TARGET_BYTES_BIG_ENDIAN 1
|
|
|
|
#define LOCAL_LABELS_FB 1
|
|
|
|
#define TARGET_ARCH bfd_arch_sparc
|
|
|
|
extern const char *sparc_target_format PARAMS ((void));
|
|
#define TARGET_FORMAT sparc_target_format ()
|
|
|
|
#define RELOC_EXPANSION_POSSIBLE
|
|
#define MAX_RELOC_EXPANSION 2
|
|
|
|
/* Make it unconditional and check if -EL is valid after option parsing */
|
|
#define SPARC_BIENDIAN
|
|
|
|
#define WORKING_DOT_WORD
|
|
|
|
#define md_convert_frag(b,s,f) \
|
|
as_fatal (_("sparc convert_frag\n"))
|
|
#define md_estimate_size_before_relax(f,s) \
|
|
(as_fatal (_("estimate_size_before_relax called")), 1)
|
|
|
|
#define LISTING_HEADER "SPARC GAS "
|
|
|
|
extern int sparc_pic_code;
|
|
|
|
/* We require .word, et. al., to be aligned correctly. */
|
|
#define md_cons_align(nbytes) sparc_cons_align (nbytes)
|
|
extern void sparc_cons_align PARAMS ((int));
|
|
|
|
#define HANDLE_ALIGN(fragp) sparc_handle_align (fragp)
|
|
extern void sparc_handle_align PARAMS ((struct frag *));
|
|
|
|
#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4)
|
|
|
|
/* I know that "call 0" fails in sparc-coff if this doesn't return 1. I
|
|
don't know about other relocation types, or other formats, yet. */
|
|
#ifdef OBJ_COFF
|
|
#define TC_FORCE_RELOCATION_ABS(FIX) \
|
|
((FIX)->fx_r_type == BFD_RELOC_32_PCREL_S2 \
|
|
|| TC_FORCE_RELOCATION (FIX))
|
|
|
|
#define RELOC_REQUIRES_SYMBOL
|
|
#endif
|
|
|
|
#ifdef OBJ_AOUT
|
|
/* 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. */
|
|
|
|
#define TC_FORCE_RELOCATION_LOCAL(FIX) \
|
|
(!(FIX)->fx_pcrel \
|
|
|| (FIX)->fx_plt \
|
|
|| (sparc_pic_code \
|
|
&& S_IS_EXTERNAL ((FIX)->fx_addsy)) \
|
|
|| TC_FORCE_RELOCATION (FIX))
|
|
#endif
|
|
|
|
#ifdef OBJ_ELF
|
|
/* Don't turn certain relocs into relocations against sections. This
|
|
is required for the dynamic linker to operate properly. When
|
|
generating PIC, we need to keep any non PC relative reloc. The PIC
|
|
part of this test must be parallel to the code in tc_gen_reloc which
|
|
converts relocations to GOT relocations. */
|
|
#define tc_fix_adjustable(FIX) \
|
|
((FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \
|
|
&& (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \
|
|
&& ((FIX)->fx_r_type < BFD_RELOC_SPARC_TLS_GD_HI22 \
|
|
|| (FIX)->fx_r_type > BFD_RELOC_SPARC_TLS_TPOFF64) \
|
|
&& (! sparc_pic_code \
|
|
|| ((FIX)->fx_r_type != BFD_RELOC_HI22 \
|
|
&& (FIX)->fx_r_type != BFD_RELOC_LO10 \
|
|
&& (FIX)->fx_r_type != BFD_RELOC_SPARC13 \
|
|
&& ((FIX)->fx_r_type != BFD_RELOC_32_PCREL_S2 \
|
|
|| !generic_force_reloc (FIX)) \
|
|
&& ((FIX)->fx_pcrel \
|
|
|| ((FIX)->fx_subsy != NULL \
|
|
&& (S_GET_SEGMENT ((FIX)->fx_subsy) \
|
|
== S_GET_SEGMENT ((FIX)->fx_addsy))) \
|
|
|| S_IS_LOCAL ((FIX)->fx_addsy)))))
|
|
|
|
/* Values passed to md_apply_fix don't include the symbol value. */
|
|
#define MD_APPLY_SYM_VALUE(FIX) 0
|
|
|
|
/* Finish up the entire symtab. */
|
|
#define tc_adjust_symtab() sparc_adjust_symtab ()
|
|
extern void sparc_adjust_symtab PARAMS ((void));
|
|
#endif
|
|
|
|
#ifdef OBJ_AOUT
|
|
/* When generating PIC code, we must not adjust any reloc which will
|
|
turn into a reloc against the global offset table, nor any reloc
|
|
which we will need if a symbol is overridden. */
|
|
#define tc_fix_adjustable(FIX) \
|
|
(! sparc_pic_code \
|
|
|| ((FIX)->fx_pcrel \
|
|
&& ((FIX)->fx_addsy == NULL \
|
|
|| (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
|
|
&& ! S_IS_WEAK ((FIX)->fx_addsy)))) \
|
|
|| (FIX)->fx_r_type == BFD_RELOC_16 \
|
|
|| (FIX)->fx_r_type == BFD_RELOC_32)
|
|
#endif
|
|
|
|
#define elf_tc_final_processing sparc_elf_final_processing
|
|
extern void sparc_elf_final_processing PARAMS ((void));
|
|
|
|
#define md_operand(x)
|
|
|
|
extern void sparc_md_end PARAMS ((void));
|
|
#define md_end() sparc_md_end ()
|
|
|
|
#endif
|
|
|
|
#ifdef OBJ_ELF
|
|
#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) sparc_cons (EXP, NBYTES)
|
|
extern void sparc_cons PARAMS ((expressionS *, int));
|
|
#endif
|
|
|
|
#define TC_CONS_FIX_NEW cons_fix_new_sparc
|
|
extern void cons_fix_new_sparc
|
|
PARAMS ((struct frag *, int, unsigned int, struct expressionS *));
|
|
|
|
#define TC_FIX_TYPE valueT
|
|
|
|
#define TC_INIT_FIX_DATA(X) \
|
|
do \
|
|
{ \
|
|
(X)->tc_fix_data = 0; \
|
|
} \
|
|
while (0)
|
|
|
|
#define TC_FIX_DATA_PRINT(FILE, FIX) \
|
|
do \
|
|
{ \
|
|
fprintf ((FILE), "addend2=%ld\n", \
|
|
(unsigned long) (FIX)->tc_fix_data); \
|
|
} \
|
|
while (0)
|
|
|
|
#define TARGET_USE_CFIPOP 1
|
|
|
|
#define tc_cfi_frame_initial_instructions sparc_cfi_frame_initial_instructions
|
|
extern void sparc_cfi_frame_initial_instructions PARAMS ((void));
|
|
|
|
#define tc_regname_to_dw2regnum sparc_regname_to_dw2regnum
|
|
extern int sparc_regname_to_dw2regnum PARAMS ((const char *regname));
|
|
|
|
#define tc_cfi_emit_pcrel_expr sparc_cfi_emit_pcrel_expr
|
|
extern void sparc_cfi_emit_pcrel_expr PARAMS ((expressionS *, unsigned int));
|
|
|
|
extern int sparc_cie_data_alignment;
|
|
|
|
#define DWARF2_LINE_MIN_INSN_LENGTH 4
|
|
#define DWARF2_DEFAULT_RETURN_COLUMN 15
|
|
#define DWARF2_CIE_DATA_ALIGNMENT sparc_cie_data_alignment
|
|
|
|
/* end of tc-sparc.h */
|