1999-05-03 09:29:11 +02:00
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/* tc-arc.h - Macros and type defines for the ARC.
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2019-01-01 11:31:27 +01:00
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Copyright (C) 2014-2019 Free Software Foundation, Inc.
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2015-10-07 15:20:19 +02:00
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Contributed by Claudiu Zissulescu (claziss@synopsys.com)
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1999-05-03 09:29:11 +02:00
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as
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2007-07-03 13:01:12 +02:00
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published by the Free Software Foundation; either version 3,
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1999-05-03 09:29:11 +02:00
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or (at your option) any later version.
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GAS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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2005-05-05 11:13:19 +02:00
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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1999-05-03 09:29:11 +02:00
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2016-04-01 19:35:29 +02:00
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#include "opcode/arc.h"
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1999-05-03 09:29:11 +02:00
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2015-10-07 15:20:19 +02:00
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/* By convention, you should define this macro in the `.h' file. For
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example, `tc-m68k.h' defines `TC_M68K'. You might have to use this
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if it is necessary to add CPU specific code to the object format
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file. */
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#define TC_ARC
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1999-05-03 09:29:11 +02:00
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2015-10-07 15:20:19 +02:00
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/* We want local label support. */
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1999-05-03 09:29:11 +02:00
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#define LOCAL_LABELS_FB 1
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2015-10-07 15:20:19 +02:00
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/* This macro is the BFD architecture to pass to
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`bfd_set_arch_mach'. */
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1999-05-03 09:29:11 +02:00
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#define TARGET_ARCH bfd_arch_arc
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2015-10-07 15:20:19 +02:00
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/* The `extsym - .' expressions can be emitted using PC-relative
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relocs. */
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2001-01-11 22:20:20 +01:00
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#define DIFF_EXPR_OK
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2000-11-08 01:06:34 +01:00
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2015-10-07 15:20:19 +02:00
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#define REGISTER_PREFIX '%'
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2000-11-08 01:06:34 +01:00
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2015-10-07 15:20:19 +02:00
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#undef LITTLE_ENDIAN
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1999-05-03 09:29:11 +02:00
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#define LITTLE_ENDIAN 1234
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2001-01-11 22:20:20 +01:00
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2015-10-07 15:20:19 +02:00
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#undef BIG_ENDIAN
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1999-05-03 09:29:11 +02:00
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#define BIG_ENDIAN 4321
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2015-10-07 15:20:19 +02:00
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#ifdef TARGET_BYTES_BIG_ENDIAN
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# define DEFAULT_TARGET_FORMAT "elf32-bigarc"
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# define DEFAULT_BYTE_ORDER BIG_ENDIAN
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#else
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/* You should define this macro to be non-zero if the target is big
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endian, and zero if the target is little endian. */
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# define TARGET_BYTES_BIG_ENDIAN 0
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# define DEFAULT_TARGET_FORMAT "elf32-littlearc"
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# define DEFAULT_BYTE_ORDER LITTLE_ENDIAN
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#endif /* TARGET_BYTES_BIG_ENDIAN. */
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1999-05-03 09:29:11 +02:00
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/* The endianness of the target format may change based on command
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line arguments. */
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2015-10-07 15:20:19 +02:00
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extern const char *arc_target_format;
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/* This macro is the BFD target name to use when creating the output
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file. This will normally depend upon the `OBJ_FMT' macro. */
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#define TARGET_FORMAT arc_target_format
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/* `md_short_jump_size'
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`md_long_jump_size'
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`md_create_short_jump'
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`md_create_long_jump'
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If `WORKING_DOT_WORD' is defined, GAS will not do broken word
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processing (*note Broken words::.). Otherwise, you should set
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`md_short_jump_size' to the size of a short jump (a jump that is
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just long enough to jump around a long jmp) and `md_long_jump_size'
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to the size of a long jump (a jump that can go anywhere in the
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function). You should define `md_create_short_jump' to create a
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short jump around a long jump, and define `md_create_long_jump' to
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create a long jump. */
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1999-05-03 09:29:11 +02:00
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#define WORKING_DOT_WORD
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2015-10-07 15:20:19 +02:00
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#define LISTING_HEADER "ARC GAS "
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1999-05-03 09:29:11 +02:00
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2015-10-07 15:20:19 +02:00
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/* The number of bytes to put into a word in a listing. This affects
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the way the bytes are clumped together in the listing. For
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example, a value of 2 might print `1234 5678' where a value of 1
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would print `12 34 56 78'. The default value is 4. */
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#define LISTING_WORD_SIZE 2
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1999-05-03 09:29:11 +02:00
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2015-10-07 15:20:19 +02:00
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/* If you define this macro, it should return the position from which
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the PC relative adjustment for a PC relative fixup should be made.
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On many processors, the base of a PC relative instruction is the
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next instruction, so this macro would return the length of an
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instruction, plus the address of the PC relative fixup. The latter
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can be calculated as fixp->fx_where +
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fixp->fx_frag->fr_address. */
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extern long md_pcrel_from_section (struct fix *, segT);
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#define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section (FIX, SEC)
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/* [ ] is index operator. */
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#define NEED_INDEX_OPERATOR
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2001-05-12 17:14:53 +02:00
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2015-10-07 15:20:19 +02:00
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#define MAX_MEM_FOR_RS_ALIGN_CODE (1+2)
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2002-09-05 02:01:18 +02:00
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2015-10-07 15:20:19 +02:00
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/* HANDLE_ALIGN called after all the assembly has been done,
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so we can fill in all the rs_align_code type frags with
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nop instructions. */
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#define HANDLE_ALIGN(FRAGP) arc_handle_align (FRAGP)
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/* Values passed to md_apply_fix3 don't include the symbol value. */
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2002-09-05 02:01:18 +02:00
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#define MD_APPLY_SYM_VALUE(FIX) 0
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/* No shared lib support, so we don't need to ensure externally
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visible symbols can be overridden. */
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#define EXTERN_FORCE_RELOC 0
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2015-10-07 15:20:19 +02:00
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/* You may define this macro to generate a fixup for a data allocation
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pseudo-op. */
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#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC) \
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arc_cons_fix_new ((FRAG), (OFF), (LEN), (EXP), (RELOC))
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/* We don't want gas to fixup the following program memory related
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2015-12-04 11:49:57 +01:00
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relocations. Check also that fx_addsy is not NULL, in order to
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make sure that the fixup refers to some sort of label. */
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#define TC_VALIDATE_FIX(FIXP,SEG,SKIP) \
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if ((FIXP->fx_r_type == BFD_RELOC_ARC_GOTPC32 \
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|| FIXP->fx_r_type == BFD_RELOC_ARC_PLT32 \
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|| FIXP->fx_r_type == BFD_RELOC_ARC_S25W_PCREL_PLT \
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|| FIXP->fx_r_type == BFD_RELOC_ARC_S25H_PCREL_PLT \
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|| FIXP->fx_r_type == BFD_RELOC_ARC_S21W_PCREL_PLT \
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|| FIXP->fx_r_type == BFD_RELOC_ARC_S21H_PCREL_PLT) \
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&& FIXP->fx_addsy != NULL \
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&& FIXP->fx_subsy == NULL) \
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{ \
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symbol_mark_used_in_reloc (FIXP->fx_addsy); \
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goto SKIP; \
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2015-10-07 15:20:19 +02:00
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}
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/* BFD_RELOC_ARC_TLS_GD_LD may use fx_subsy to store a label that is
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later turned into fx_offset. */
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#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) \
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((FIX)->fx_r_type == BFD_RELOC_ARC_TLS_GD_LD)
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#define TC_VALIDATE_FIX_SUB(FIX, SEG) \
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((md_register_arithmetic || (SEG) != reg_section) \
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&& ((FIX)->fx_r_type == BFD_RELOC_GPREL32 \
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|| (FIX)->fx_r_type == BFD_RELOC_GPREL16 \
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|| (FIX)->fx_r_type == BFD_RELOC_ARC_TLS_DTPOFF \
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|| (FIX)->fx_r_type == BFD_RELOC_ARC_TLS_DTPOFF_S9 \
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|| TC_FORCE_RELOCATION_SUB_LOCAL (FIX, SEG)))
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/* We use this to mark the end-loop label. We use this mark for ZOL
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validity checks. */
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#define TC_SYMFIELD_TYPE unsigned int
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#define ARC_GET_FLAG(s) (*symbol_get_tc (s))
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#define ARC_SET_FLAG(s,v) (*symbol_get_tc (s) |= (v))
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/* The symbol is a ZOL's end loop label. */
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#define ARC_FLAG_ZOL (1 << 0)
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2016-03-31 12:40:13 +02:00
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/* The symbol is an AUX register. */
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#define ARC_FLAG_AUX (1 << 1)
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2015-10-07 15:20:19 +02:00
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/* We use this hook to check the validity of the last to instructions
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of a ZOL. */
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#define tc_frob_label(S) arc_frob_label (S)
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#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
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/* We need to take care of not having section relative fixups for the
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fixups with respect to Position Independent Code. */
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#define tc_fix_adjustable(FIX) tc_arc_fix_adjustable(FIX)
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/* This hook is required to parse register names as operands. */
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#define md_parse_name(name, exp, m, c) arc_parse_name (name, exp)
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Add support for ARC instruction relaxation in the assembler.
gas/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* config/tc-arc.h (TC_FRAG_TYPE, TC_PCREL_ADJUST, MAX_INSN_ARGS)
(MAX_INSN_FLGS, MAX_FLAG_NAME_LENGHT, TC_GENERIC_RELAX_TABLE):
Define.
(arc_flags, arc_relax_type): New structure.
* config/tc-arc.c (FRAG_MAX_GROWTH, RELAX_TABLE_ENTRY)
(RELAX_TABLE_ENTRY_MAX): New define.
(relaxation_state, md_relax_table, arc_relaxable_insns)
(arc_num_relaxable_ins): New variable.
(rlx_operand_type, arc_rlx_types): New enums.
(arc_relaxable_ins): New structure.
(OPTION_RELAX): New option.
(arc_insn): New relax member.
(arc_flags): Remove.
(relax_insn_p): New function.
(apply_fixups): Likewise.
(relaxable_operand): Likewise.
(may_relax_expr): Likewise.
(relaxable_flag): Likewise.
(arc_pcrel_adjust): Likewise.
(md_estimate_size_before_relax): Implement.
(md_convert_frag): Likewise.
(md_parse_option): Handle new mrelax option.
(md_show_usage): Likewise.
(assemble_insn): Set relax member.
(emit_insn0): New function.
(emit_insn1): Likewise.
(emit_insn): Handle relaxation case.
* NEWS: Mention the new relaxation option.
* doc/c-arc.texi (ARC Options): Document new mrelax option.
gas/testsuite
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
* gas/arc/relax-avoid1.d: New file.
* gas/arc/relax-avoid1.s: Likewise.
* gas/arc/relax-avoid2.d: Likewise.
* gas/arc/relax-avoid2.s: Likewise.
* gas/arc/relax-avoid3.d: Likewise.
* gas/arc/relax-avoid3.s: Likewise.
* gas/arc/relax-b.d: Likewise.
* gas/arc/relax-b.s: Likewise.
include/opcode/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* arc.h (arc_opcode arc_relax_opcodes, arc_num_relax_opcodes):
Declare.
opcodes/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* arc-opc.c (arc_relax_opcodes, arc_num_relax_opcodes): New
variable.
2016-02-10 13:09:01 +01:00
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/* Used within frags to pass some information to some relaxation
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machine dependent values. */
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#define TC_FRAG_TYPE struct arc_relax_type
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/* Adjust non PC-rel values at relaxation time. */
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#define TC_PCREL_ADJUST(F) arc_pcrel_adjust (F)
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2016-03-31 12:40:13 +02:00
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/* Adjust symbol table. */
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#define obj_adjust_symtab() arc_adjust_symtab ()
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[ARC] Object attributes.
gas/
2017-05-10 Claudiu Zissulescu <claziss@synopsys.com>
* testsuite/gas/arc/attr-arc600.d: New file.
* testsuite/gas/arc/attr-arc600_mul32x16.d: Likewise.
* testsuite/gas/arc/attr-arc600_norm.d: Likewise.
* testsuite/gas/arc/attr-arc601.d: Likewise.
* testsuite/gas/arc/attr-arc601_mul32x16.d: Likewise.
* testsuite/gas/arc/attr-arc601_mul64.d: Likewise.
* testsuite/gas/arc/attr-arc601_norm.d: Likewise.
* testsuite/gas/arc/attr-arc700.d: Likewise.
* testsuite/gas/arc/attr-arcem.d: Likewise.
* testsuite/gas/arc/attr-archs.d: Likewise.
* testsuite/gas/arc/attr-autodetect-1.d: Likewise.
* testsuite/gas/arc/attr-autodetect-1.s: Likewise.
* testsuite/gas/arc/attr-cpu-a601.d: Likewise.
* testsuite/gas/arc/attr-cpu-a601.s: Likewise.
* testsuite/gas/arc/attr-cpu-a700.d: Likewise.
* testsuite/gas/arc/attr-cpu-a700.s: Likewise.
* testsuite/gas/arc/attr-cpu-em.d: Likewise.
* testsuite/gas/arc/attr-cpu-em.s: Likewise.
* testsuite/gas/arc/attr-cpu-hs.d: Likewise.
* testsuite/gas/arc/attr-cpu-hs.s: Likewise.
* testsuite/gas/arc/attr-em.d: Likewise.
* testsuite/gas/arc/attr-em4.d: Likewise.
* testsuite/gas/arc/attr-em4_dmips.d: Likewise.
* testsuite/gas/arc/attr-em4_fpuda.d: Likewise.
* testsuite/gas/arc/attr-em4_fpus.d: Likewise.
* testsuite/gas/arc/attr-hs.d: Likewise.
* testsuite/gas/arc/attr-hs34.d: Likewise.
* testsuite/gas/arc/attr-hs38.d: Likewise.
* testsuite/gas/arc/attr-hs38_linux.d: Likewise.
* testsuite/gas/arc/attr-mul64.d: Likewise.
* testsuite/gas/arc/attr-name.d: Likewise.
* testsuite/gas/arc/attr-name.s: Likewise.
* testsuite/gas/arc/attr-nps400.d: Likewise.
* testsuite/gas/arc/attr-override-mcpu.d: Likewise.
* testsuite/gas/arc/attr-override-mcpu.s
* testsuite/gas/arc/attr-quarkse_em.d: Likewise.
* testsuite/gas/arc/blank.s: Likewise.
* testsuite/gas/elf/section2.e-arc: Likewise.
* testsuite/gas/arc/cpu-pseudop-1.d: Update test.
* testsuite/gas/arc/cpu-pseudop-2.d: Likewise.
* testsuite/gas/arc/nps400-0.d: Likewise.
* testsuite/gas/elf/elf.exp: Set target_machine for ARC.
* config/tc-arc.c (opcode/arc-attrs.h): Include.
(ARC_GET_FLAG, ARC_SET_FLAG, streq): Define.
(arc_attribute): Declare new function.
(md_pseudo_table): Add arc_attribute.
(cpu_types): Rename default cpu features.
(selected_cpu): Set the default OSABI flag.
(mpy_option): New variable.
(pic_option): Likewise.
(sda_option): Likewise.
(tls_option): Likewise.
(feature_type, feature_list): Remove.
(arc_initial_eflag): Likewise.
(attributes_set_explicitly): New variable.
(arc_check_feature): Check also for the conflicting features.
(arc_select_cpu): Refactor assignment of selected_cpu.eflags.
(arc_option): Remove setting of private flags and architecture.
(check_cpu_feature): Refactor feature names.
(autodetect_attributes): New function.
(assemble_tokens): Use above function.
(md_parse_option): Refactor feature names.
(arc_attribute): New function.
(arc_set_attribute_int): Likewise.
(arc_set_attribute_string): Likewise.
(arc_stralloc): Likewise.
(arc_set_public_attributes): Likewise.
(arc_md_end): Likewise.
(arc_copy_symbol_attributes): Likewise.
(rc_convert_symbolic_attribute): Likewise.
* config/tc-arc.h (md_end): Define.
(CONVERT_SYMBOLIC_ATTRIBUTE): Likewise.
(TC_COPY_SYMBOL_ATTRIBUTES): Likewise.
* doc/c-arc.texi: Document ARC object attributes.
binutils/
2017-05-10 Claudiu Zissulescu <claziss@synopsys.com>
* readelf.c (decode_ARC_machine_flags): Recognize OSABI v4.
(get_arc_section_type_name): New function.
(get_section_type_name): Use the above function.
(display_arc_attribute): New function.
(process_arc_specific): Likewise.
(process_arch_specific): Handle ARC specific information.
* testsuite/binutils-all/strip-3.d: Consider ARC.attributes
section.
include/
2017-05-10 Claudiu Zissulescu <claziss@synopsys.com>
* elf/arc.h (SHT_ARC_ATTRIBUTES): Define.
(Tag_ARC_*): Define.
(E_ARC_OSABI_V4): Define.
(E_ARC_OSABI_CURRENT): Reassign it.
(TAG_CPU_*): Define.
* opcode/arc-attrs.h: New file.
* opcode/arc.h (insn_subclass_t): Assign enum values.
(insn_subclass_t): Update enum with QUARKSE1, QUARKSE2, and LL64.
(ARC_EA, ARC_CD, ARC_LLOCK, ARC_ATOMIC, ARC_MPY, ARC_MULT)
(ARC_NPS400, ARC_DPFP, ARC_SPFP, ARC_FPU, ARC_FPUDA, ARC_SWAP)
(ARC_NORM, ARC_BSCAN, ARC_UIX, ARC_TSTAMP, ARC_VBFDW)
(ARC_BARREL, ARC_DSPA, ARC_SHIFT, ARC_INTR, ARC_DIV, ARC_XMAC)
(ARC_CRC): Delete.
bfd/
2017-05-10 Claudiu Zissulescu <claziss@synopsys.com>
* elf32-arc.c (FEATURE_LIST_NAME): Define.
(CONFLICT_LIST): Likewise.
(opcode/arc-attrs.h): Include.
(arc_elf_print_private_bfd_data): Print OSABI v4 flag.
(arc_extract_features): New file.
(arc_stralloc): Likewise.
(arc_elf_merge_attributes): Likewise.
(arc_elf_merge_private_bfd_data): Use object attributes.
(bfd_arc_get_mach_from_attributes): New function.
(arc_elf_object_p): Use object attributes.
(arc_elf_final_write_processing): Likewise.
(elf32_arc_obj_attrs_arg_type): New function.
(elf32_arc_obj_attrs_handle_unknown): Likewise.
(elf32_arc_section_from_shdr): Likewise.
(elf_backend_obj_attrs_vendor): Define.
(elf_backend_obj_attrs_section): Likewise.
(elf_backend_obj_attrs_arg_type): Likewise.
(elf_backend_obj_attrs_section_type): Likewise.
(elf_backend_obj_attrs_handle_unknown): Likewise.
(elf_backend_section_from_shdr): Likewise.
ld/
2017-05-10 Claudiu Zissulescu <claziss@synopsys.com>
* testsuite/ld-arc/attr-merge-0.d: New file.
* testsuite/ld-arc/attr-merge-0.s: Likewise.
* testsuite/ld-arc/attr-merge-0e.s: Likewise.
* testsuite/ld-arc/attr-merge-1.d: Likewise.
* testsuite/ld-arc/attr-merge-1.s: Likewise.
* testsuite/ld-arc/attr-merge-1e.s: Likewise.
* testsuite/ld-arc/attr-merge-2.d: Likewise.
* testsuite/ld-arc/attr-merge-2.s: Likewise.
* testsuite/ld-arc/attr-merge-3.d: Likewise.
* testsuite/ld-arc/attr-merge-3.s: Likewise.
* testsuite/ld-arc/attr-merge-3e.s: Likewise.
* testsuite/ld-arc/attr-merge-4.s: Likewise.
* testsuite/ld-arc/attr-merge-5.d: Likewise.
* testsuite/ld-arc/attr-merge-5a.s: Likewise.
* testsuite/ld-arc/attr-merge-5b.s: Likewise.
* testsuite/ld-arc/attr-merge-conflict-isa.d: Likewise.
* testsuite/ld-arc/attr-merge-err-isa.d: Likewise.
* testsuite/ld-arc/attr-merge-incompatible-cpu.d: Likewise.
* testsuite/ld-arc/got-01.d: Update test.
* testsuite/ld-arc/attr-merge-err-quarkse.d: New file.
* testsuite/ld-arc/attr-quarkse.s: Likewise.
* testsuite/ld-arc/attr-quarkse2.s: Likewise.
opcodes/
2017-05-10 Claudiu Zissulescu <claziss@synopsys.com>
* arc-dis.c (parse_option): Update quarkse_em option..
* arc-ext-tbl.h (dsp_fp_flt2i, dsp_fp_i2flt): Change subclass to
QUARKSE1.
(dsp_fp_div, dsp_fp_cmp): Change subclass to QUARKSE2.
2017-05-10 14:42:22 +02:00
|
|
|
/* Object attribute hooks. */
|
|
|
|
#define md_end arc_md_end
|
|
|
|
#define CONVERT_SYMBOLIC_ATTRIBUTE(name) arc_convert_symbolic_attribute (name)
|
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|
|
#ifndef TC_COPY_SYMBOL_ATTRIBUTES
|
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|
|
#define TC_COPY_SYMBOL_ATTRIBUTES(DEST, SRC) \
|
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(arc_copy_symbol_attributes (DEST, SRC))
|
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#endif
|
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|
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|
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extern void arc_copy_symbol_attributes (symbolS *, symbolS *);
|
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|
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extern int arc_convert_symbolic_attribute (const char *);
|
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|
|
extern void arc_md_end (void);
|
2016-03-31 12:40:13 +02:00
|
|
|
extern void arc_adjust_symtab (void);
|
Add support for ARC instruction relaxation in the assembler.
gas/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* config/tc-arc.h (TC_FRAG_TYPE, TC_PCREL_ADJUST, MAX_INSN_ARGS)
(MAX_INSN_FLGS, MAX_FLAG_NAME_LENGHT, TC_GENERIC_RELAX_TABLE):
Define.
(arc_flags, arc_relax_type): New structure.
* config/tc-arc.c (FRAG_MAX_GROWTH, RELAX_TABLE_ENTRY)
(RELAX_TABLE_ENTRY_MAX): New define.
(relaxation_state, md_relax_table, arc_relaxable_insns)
(arc_num_relaxable_ins): New variable.
(rlx_operand_type, arc_rlx_types): New enums.
(arc_relaxable_ins): New structure.
(OPTION_RELAX): New option.
(arc_insn): New relax member.
(arc_flags): Remove.
(relax_insn_p): New function.
(apply_fixups): Likewise.
(relaxable_operand): Likewise.
(may_relax_expr): Likewise.
(relaxable_flag): Likewise.
(arc_pcrel_adjust): Likewise.
(md_estimate_size_before_relax): Implement.
(md_convert_frag): Likewise.
(md_parse_option): Handle new mrelax option.
(md_show_usage): Likewise.
(assemble_insn): Set relax member.
(emit_insn0): New function.
(emit_insn1): Likewise.
(emit_insn): Handle relaxation case.
* NEWS: Mention the new relaxation option.
* doc/c-arc.texi (ARC Options): Document new mrelax option.
gas/testsuite
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
* gas/arc/relax-avoid1.d: New file.
* gas/arc/relax-avoid1.s: Likewise.
* gas/arc/relax-avoid2.d: Likewise.
* gas/arc/relax-avoid2.s: Likewise.
* gas/arc/relax-avoid3.d: Likewise.
* gas/arc/relax-avoid3.s: Likewise.
* gas/arc/relax-b.d: Likewise.
* gas/arc/relax-b.s: Likewise.
include/opcode/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* arc.h (arc_opcode arc_relax_opcodes, arc_num_relax_opcodes):
Declare.
opcodes/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* arc-opc.c (arc_relax_opcodes, arc_num_relax_opcodes): New
variable.
2016-02-10 13:09:01 +01:00
|
|
|
extern int arc_pcrel_adjust (fragS *);
|
2015-10-07 15:20:19 +02:00
|
|
|
extern bfd_boolean arc_parse_name (const char *, struct expressionS *);
|
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|
|
extern int tc_arc_fix_adjustable (struct fix *);
|
|
|
|
extern void arc_handle_align (fragS *);
|
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|
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extern void arc_cons_fix_new (fragS *, int, int, expressionS *,
|
|
|
|
bfd_reloc_code_real_type);
|
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|
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extern void arc_frob_label (symbolS *);
|
2016-02-16 15:56:04 +01:00
|
|
|
extern void tc_arc_frame_initial_instructions (void);
|
|
|
|
extern int tc_arc_regname_to_dw2regnum (char *regname);
|
2015-10-07 15:20:19 +02:00
|
|
|
|
|
|
|
/* The blink register is r31. */
|
|
|
|
#define DWARF2_DEFAULT_RETURN_COLUMN 31
|
|
|
|
/* Registers are generally saved at negative offsets to the CFA. */
|
|
|
|
#define DWARF2_CIE_DATA_ALIGNMENT (-4)
|
|
|
|
|
2016-02-16 15:56:04 +01:00
|
|
|
/* We want .cfi_* pseudo-ops for generating unwind info. */
|
|
|
|
#define TARGET_USE_CFIPOP 1
|
|
|
|
|
|
|
|
/* CFI hooks. */
|
|
|
|
#define tc_cfi_frame_initial_instructions tc_arc_frame_initial_instructions
|
|
|
|
#define tc_regname_to_dw2regnum tc_arc_regname_to_dw2regnum
|
|
|
|
|
2015-10-07 15:20:19 +02:00
|
|
|
/* Define the NOPs. */
|
|
|
|
#define NOP_OPCODE_S 0x000078E0
|
|
|
|
#define NOP_OPCODE_L 0x264A7000 /* mov 0,0. */
|
|
|
|
|
2016-03-29 00:05:09 +02:00
|
|
|
#define MAX_FLAG_NAME_LENGTH 7
|
Add support for ARC instruction relaxation in the assembler.
gas/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* config/tc-arc.h (TC_FRAG_TYPE, TC_PCREL_ADJUST, MAX_INSN_ARGS)
(MAX_INSN_FLGS, MAX_FLAG_NAME_LENGHT, TC_GENERIC_RELAX_TABLE):
Define.
(arc_flags, arc_relax_type): New structure.
* config/tc-arc.c (FRAG_MAX_GROWTH, RELAX_TABLE_ENTRY)
(RELAX_TABLE_ENTRY_MAX): New define.
(relaxation_state, md_relax_table, arc_relaxable_insns)
(arc_num_relaxable_ins): New variable.
(rlx_operand_type, arc_rlx_types): New enums.
(arc_relaxable_ins): New structure.
(OPTION_RELAX): New option.
(arc_insn): New relax member.
(arc_flags): Remove.
(relax_insn_p): New function.
(apply_fixups): Likewise.
(relaxable_operand): Likewise.
(may_relax_expr): Likewise.
(relaxable_flag): Likewise.
(arc_pcrel_adjust): Likewise.
(md_estimate_size_before_relax): Implement.
(md_convert_frag): Likewise.
(md_parse_option): Handle new mrelax option.
(md_show_usage): Likewise.
(assemble_insn): Set relax member.
(emit_insn0): New function.
(emit_insn1): Likewise.
(emit_insn): Handle relaxation case.
* NEWS: Mention the new relaxation option.
* doc/c-arc.texi (ARC Options): Document new mrelax option.
gas/testsuite
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
* gas/arc/relax-avoid1.d: New file.
* gas/arc/relax-avoid1.s: Likewise.
* gas/arc/relax-avoid2.d: Likewise.
* gas/arc/relax-avoid2.s: Likewise.
* gas/arc/relax-avoid3.d: Likewise.
* gas/arc/relax-avoid3.s: Likewise.
* gas/arc/relax-b.d: Likewise.
* gas/arc/relax-b.s: Likewise.
include/opcode/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* arc.h (arc_opcode arc_relax_opcodes, arc_num_relax_opcodes):
Declare.
opcodes/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* arc-opc.c (arc_relax_opcodes, arc_num_relax_opcodes): New
variable.
2016-02-10 13:09:01 +01:00
|
|
|
|
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|
|
struct arc_flags
|
|
|
|
{
|
|
|
|
/* Name of the parsed flag. */
|
2016-03-28 23:48:34 +02:00
|
|
|
char name[MAX_FLAG_NAME_LENGTH + 1];
|
Add support for ARC instruction relaxation in the assembler.
gas/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* config/tc-arc.h (TC_FRAG_TYPE, TC_PCREL_ADJUST, MAX_INSN_ARGS)
(MAX_INSN_FLGS, MAX_FLAG_NAME_LENGHT, TC_GENERIC_RELAX_TABLE):
Define.
(arc_flags, arc_relax_type): New structure.
* config/tc-arc.c (FRAG_MAX_GROWTH, RELAX_TABLE_ENTRY)
(RELAX_TABLE_ENTRY_MAX): New define.
(relaxation_state, md_relax_table, arc_relaxable_insns)
(arc_num_relaxable_ins): New variable.
(rlx_operand_type, arc_rlx_types): New enums.
(arc_relaxable_ins): New structure.
(OPTION_RELAX): New option.
(arc_insn): New relax member.
(arc_flags): Remove.
(relax_insn_p): New function.
(apply_fixups): Likewise.
(relaxable_operand): Likewise.
(may_relax_expr): Likewise.
(relaxable_flag): Likewise.
(arc_pcrel_adjust): Likewise.
(md_estimate_size_before_relax): Implement.
(md_convert_frag): Likewise.
(md_parse_option): Handle new mrelax option.
(md_show_usage): Likewise.
(assemble_insn): Set relax member.
(emit_insn0): New function.
(emit_insn1): Likewise.
(emit_insn): Handle relaxation case.
* NEWS: Mention the new relaxation option.
* doc/c-arc.texi (ARC Options): Document new mrelax option.
gas/testsuite
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
* gas/arc/relax-avoid1.d: New file.
* gas/arc/relax-avoid1.s: Likewise.
* gas/arc/relax-avoid2.d: Likewise.
* gas/arc/relax-avoid2.s: Likewise.
* gas/arc/relax-avoid3.d: Likewise.
* gas/arc/relax-avoid3.s: Likewise.
* gas/arc/relax-b.d: Likewise.
* gas/arc/relax-b.s: Likewise.
include/opcode/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* arc.h (arc_opcode arc_relax_opcodes, arc_num_relax_opcodes):
Declare.
opcodes/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* arc-opc.c (arc_relax_opcodes, arc_num_relax_opcodes): New
variable.
2016-02-10 13:09:01 +01:00
|
|
|
|
2016-04-06 16:08:04 +02:00
|
|
|
/* Pointer to arc flags. */
|
2016-05-06 14:59:03 +02:00
|
|
|
const struct arc_flag_operand *flgp;
|
Add support for ARC instruction relaxation in the assembler.
gas/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* config/tc-arc.h (TC_FRAG_TYPE, TC_PCREL_ADJUST, MAX_INSN_ARGS)
(MAX_INSN_FLGS, MAX_FLAG_NAME_LENGHT, TC_GENERIC_RELAX_TABLE):
Define.
(arc_flags, arc_relax_type): New structure.
* config/tc-arc.c (FRAG_MAX_GROWTH, RELAX_TABLE_ENTRY)
(RELAX_TABLE_ENTRY_MAX): New define.
(relaxation_state, md_relax_table, arc_relaxable_insns)
(arc_num_relaxable_ins): New variable.
(rlx_operand_type, arc_rlx_types): New enums.
(arc_relaxable_ins): New structure.
(OPTION_RELAX): New option.
(arc_insn): New relax member.
(arc_flags): Remove.
(relax_insn_p): New function.
(apply_fixups): Likewise.
(relaxable_operand): Likewise.
(may_relax_expr): Likewise.
(relaxable_flag): Likewise.
(arc_pcrel_adjust): Likewise.
(md_estimate_size_before_relax): Implement.
(md_convert_frag): Likewise.
(md_parse_option): Handle new mrelax option.
(md_show_usage): Likewise.
(assemble_insn): Set relax member.
(emit_insn0): New function.
(emit_insn1): Likewise.
(emit_insn): Handle relaxation case.
* NEWS: Mention the new relaxation option.
* doc/c-arc.texi (ARC Options): Document new mrelax option.
gas/testsuite
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
* gas/arc/relax-avoid1.d: New file.
* gas/arc/relax-avoid1.s: Likewise.
* gas/arc/relax-avoid2.d: Likewise.
* gas/arc/relax-avoid2.s: Likewise.
* gas/arc/relax-avoid3.d: Likewise.
* gas/arc/relax-avoid3.s: Likewise.
* gas/arc/relax-b.d: Likewise.
* gas/arc/relax-b.s: Likewise.
include/opcode/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* arc.h (arc_opcode arc_relax_opcodes, arc_num_relax_opcodes):
Declare.
opcodes/
2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
Janek van Oirschot <jvanoirs@synopsys.com>
* arc-opc.c (arc_relax_opcodes, arc_num_relax_opcodes): New
variable.
2016-02-10 13:09:01 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
extern const relax_typeS md_relax_table[];
|
|
|
|
#define TC_GENERIC_RELAX_TABLE md_relax_table
|
|
|
|
|
|
|
|
/* Used to construct instructions at md_convert_frag stage of
|
|
|
|
relaxation. */
|
|
|
|
struct arc_relax_type
|
|
|
|
{
|
|
|
|
/* Dictates whether the pc-relativity should be kept in mind when
|
|
|
|
relax_frag is called or whether the pc-relativity should be
|
|
|
|
solved outside of relaxation. For clarification: BL(_S) and
|
|
|
|
B(_S) use pcrel == 1 and ADD with a solvable expression as 3rd
|
|
|
|
operand use pcrel == 0. */
|
|
|
|
unsigned char pcrel;
|
|
|
|
|
|
|
|
/* Expressions that dictate the operands. Used for re-assembling in
|
|
|
|
md_convert_frag. */
|
|
|
|
expressionS tok[MAX_INSN_ARGS];
|
|
|
|
|
|
|
|
/* Number of tok (i.e. number of operands). Used for re-assembling
|
|
|
|
in md_convert_frag. */
|
|
|
|
int ntok;
|
|
|
|
|
|
|
|
/* Flags of instruction. Used for re-assembling in
|
|
|
|
md_convert_frag. */
|
|
|
|
struct arc_flags pflags[MAX_INSN_FLGS];
|
|
|
|
|
|
|
|
/* Number of flags. Used for re-assembling in md_convert_frag. */
|
|
|
|
int nflg;
|
|
|
|
};
|