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Diffstat (limited to 'binutils-2.24/gas/config/tc-i960.h')
| -rw-r--r-- | binutils-2.24/gas/config/tc-i960.h | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/binutils-2.24/gas/config/tc-i960.h b/binutils-2.24/gas/config/tc-i960.h deleted file mode 100644 index 3949b6c4..00000000 --- a/binutils-2.24/gas/config/tc-i960.h +++ /dev/null @@ -1,188 +0,0 @@ -/* tc-i960.h - Basic 80960 instruction formats. - Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999, - 2000, 2001, 2002, 2003, 2005, 2007, 2008 - 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 3, - 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_I960 -#define TC_I960 1 - -#ifdef OBJ_ELF -#define TARGET_FORMAT "elf32-i960" -#define TARGET_ARCH bfd_arch_i960 -#endif - -#define TARGET_BYTES_BIG_ENDIAN 0 - -#define WORKING_DOT_WORD - -/* - * The 'COJ' instructions are actually COBR instructions with the 'b' in - * the mnemonic replaced by a 'j'; they are ALWAYS "de-optimized" if necessary: - * if the displacement will not fit in 13 bits, the assembler will replace them - * with the corresponding compare and branch instructions. - * - * All of the 'MEMn' instructions are the same format; the 'n' in the name - * indicates the default index scale factor (the size of the datum operated on). - * - * The FBRA formats are not actually an instruction format. They are the - * "convenience directives" for branching on floating-point comparisons, - * each of which generates 2 instructions (a 'bno' and one other branch). - * - * The CALLJ format is not actually an instruction format. It indicates that - * the instruction generated (a CTRL-format 'call') should have its relocation - * specially flagged for link-time replacement with a 'bal' or 'calls' if - * appropriate. - */ - -/* tailor gas */ -#define LOCAL_LABELS_FB 1 -#define BITFIELD_CONS_EXPRESSIONS - -/* tailor the coff format */ -#define COFF_MAGIC I960ROMAGIC -#define OBJ_COFF_MAX_AUXENTRIES (2) - -/* MEANING OF 'n_other' in the symbol record. - * - * If non-zero, the 'n_other' fields indicates either a leaf procedure or - * a system procedure, as follows: - * - * 1 <= n_other <= 32 : - * The symbol is the entry point to a system procedure. - * 'n_value' is the address of the entry, as for any other - * procedure. The system procedure number (which can be used in - * a 'calls' instruction) is (n_other-1). These entries come from - * '.sysproc' directives. - * - * n_other == N_CALLNAME - * the symbol is the 'call' entry point to a leaf procedure. - * The *next* symbol in the symbol table must be the corresponding - * 'bal' entry point to the procedure (see following). These - * entries come from '.leafproc' directives in which two different - * symbols are specified (the first one is represented here). - * - * - * n_other == N_BALNAME - * the symbol is the 'bal' entry point to a leaf procedure. - * These entries result from '.leafproc' directives in which only - * one symbol is specified, or in which the same symbol is - * specified twice. - * - * Note that an N_CALLNAME entry *must* have a corresponding N_BALNAME entry, - * but not every N_BALNAME entry must have an N_CALLNAME entry. - */ -#define N_CALLNAME ((char)-1) -#define N_BALNAME ((char)-2) - -/* i960 uses a custom relocation record. */ - -/* let obj-aout.h know */ -#define CUSTOM_RELOC_FORMAT 1 -/* let aout_gnu.h know */ -#define N_RELOCATION_INFO_DECLARED 1 -struct relocation_info - { - int r_address; /* File address of item to be relocated */ - unsigned - r_index:24, /* Index of symbol on which relocation is based*/ - r_pcrel:1, /* 1 => relocate PC-relative; else absolute - * On i960, pc-relative implies 24-bit - * address, absolute implies 32-bit. - */ - r_length:2, /* Number of bytes to relocate: - * 0 => 1 byte - * 1 => 2 bytes - * 2 => 4 bytes -- only value used for i960 - */ - r_extern:1, r_bsr:1, /* Something for the GNU NS32K assembler */ - r_disp:1, /* Something for the GNU NS32K assembler */ - r_callj:1, /* 1 if relocation target is an i960 'callj' */ - nuthin:1; /* Unused */ - }; - -/* No shared lib support, so we don't need to ensure externally - visible symbols can be overridden. */ -#define EXTERN_FORCE_RELOC 0 - -/* Makes no sense to use the difference of 2 arbitrary symbols - as the target of a call instruction. */ -#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \ - ((FIX)->fx_tcbit \ - || ! SEG_NORMAL (SEG) \ - || TC_FORCE_RELOCATION (FIX)) - -/* reloc_callj() may replace a 'call' with a 'calls' or a - 'bal', in which cases it modifies *fixP as appropriate. - In the case of a 'calls', no further work is required. */ -extern int reloc_callj (struct fix *); - -#define TC_FORCE_RELOCATION_ABS(FIX) \ - (TC_FORCE_RELOCATION (FIX) \ - || reloc_callj (FIX)) - -#define TC_FORCE_RELOCATION_LOCAL(FIX) \ - (!(FIX)->fx_pcrel \ - || TC_FORCE_RELOCATION (FIX) \ - || reloc_callj (FIX)) - -#ifdef OBJ_COFF - -/* We store the bal information in the sy_tc field. */ -#define TC_SYMFIELD_TYPE symbolS * - -#endif - -extern int i960_validate_fix (struct fix *, segT); -#define TC_VALIDATE_FIX(FIX,SEGTYPE,LABEL) \ - if (!i960_validate_fix (FIX, SEGTYPE)) goto LABEL - -#define tc_fix_adjustable(FIX) ((FIX)->fx_bsr == 0) - -#ifndef OBJ_ELF -/* Values passed to md_apply_fix sometimes include symbol values. */ -#define MD_APPLY_SYM_VALUE(FIX) tc_fix_adjustable (FIX) -#else -/* Values passed to md_apply_fix don't include the symbol value. */ -#define MD_APPLY_SYM_VALUE(FIX) 0 -#endif - -extern void brtab_emit (void); -#define md_end() brtab_emit () - -extern void tc_set_bal_of_call (symbolS *, symbolS *); - -extern struct symbol *tc_get_bal_of_call (symbolS *); - -extern void i960_handle_align (struct frag *); -#define HANDLE_ALIGN(FRAG) i960_handle_align (FRAG) -#define NO_RELOC -1 - -#define md_operand(x) - -extern const struct relax_type md_relax_table[]; -#define TC_GENERIC_RELAX_TABLE md_relax_table - -#define LINKER_RELAXING_SHRINKS_ONLY - -#define TC_FIX_TYPE struct { unsigned bsr : 1; } -#define fx_bsr tc_fix_data.bsr -#define TC_INIT_FIX_DATA(F) ((F)->tc_fix_data.bsr = 0) - -#endif |