gas/config/tc-tic6x.h

   1 /* Definitions for TI C6X assembler.
   2    Copyright 2010
   3    Free Software Foundation, Inc.
   4
   5    This file is part of GAS, the GNU Assembler.
   6
   7    GAS is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    GAS is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GAS; see the file COPYING.  If not, write to the Free
  19    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  20    02110-1301, USA.  */
  21
  22 #define TC_TIC6X 1
  23 #define TARGET_BYTES_BIG_ENDIAN 0
  24 #define WORKING_DOT_WORD
  25 #define DOUBLEBAR_PARALLEL
  26 #define DWARF2_LINE_MIN_INSN_LENGTH 2
  27 #define MD_APPLY_SYM_VALUE(FIX) 0
  28 #define TC_PREDICATE_START_CHAR '['
  29 #define TC_PREDICATE_END_CHAR ']'
  30 /* For TI C6X, we keep spaces in what the preprocessor considers
  31    operands as they may separate functional unit specifiers from
  32    operands.  */
  33 #define TC_KEEP_OPERAND_SPACES 1
  34
  35 #define TARGET_ARCH     bfd_arch_tic6x
  36 #define TARGET_FORMAT   (target_big_endian      \
  37                          ? "elf32-tic6x-be"     \
  38                          : "elf32-tic6x-le")
  39
  40 typedef struct
  41 {
  42   /* Number of instructions in the current execute packet.  */
  43   unsigned int num_execute_packet_insns;
  44
  45   /* Whether a label has been seen since the last instruction or data
  46      (in which case a following instruction may not have parallel
  47      bars, but must start a new execute packet).  */
  48   bfd_boolean seen_label;
  49
  50   /* Whether compact instructions are forbidden here.  */
  51   bfd_boolean nocmp;
  52
  53   /* If there is a current execute packet, a pointer to the
  54      least-significant byte of the last instruction in it (for setting
  55      the p-bit).  */
  56   char *last_insn_lsb;
  57
  58   /* If there has been an SPMASK instruction in the current execute
  59      packet, a pointer to the first byte in it (for processing
  60      ||^); otherwise NULL.  */
  61   char *spmask_addr;
  62
  63   /* If an SPLOOP-family instruction has been seen, and a following
  64      SPKERNEL-family instruction has not yet been seen, the ii value
  65      from the SPLOOP instruction (in the range 1 to 14); otherwise
  66      0.  */
  67   int sploop_ii;
  68 } tic6x_segment_info_type;
  69 #define TC_SEGMENT_INFO_TYPE tic6x_segment_info_type
  70
  71 typedef struct
  72 {
  73   /* Whether this fix was for an ADDA instruction.  If so, a constant
  74      resulting from resolving the fix should be implicitly shifted
  75      left (it represents a value to be encoded literally in the
  76      instruction, whereas a non-constant represents a DP-relative
  77      value counting in the appropriate units).  */
  78   bfd_boolean fix_adda;
  79 } tic6x_fix_info;
  80 #define TC_FIX_TYPE tic6x_fix_info
  81 #define TC_INIT_FIX_DATA(fixP) tic6x_init_fix_data (fixP)
  82 struct fix;
  83 extern void tic6x_init_fix_data (struct fix *fixP);
  84
  85 #define md_after_parse_args() tic6x_after_parse_args ()
  86 extern void tic6x_after_parse_args (void);
  87
  88 #define md_cleanup() tic6x_cleanup ()
  89 extern void tic6x_cleanup (void);
  90
  91 #define md_cons_align(n) tic6x_cons_align (n)
  92 extern void tic6x_cons_align (int n);
  93
  94 #define md_parse_name(name, exprP, mode, nextcharP)     \
  95   tic6x_parse_name (name, exprP, mode, nextcharP)
  96 extern int tic6x_parse_name (const char *name, expressionS *exprP,
  97                              enum expr_mode mode, char *nextchar);
  98
  99 #define md_start_line_hook() tic6x_start_line_hook ()
 100 extern void tic6x_start_line_hook (void);
 101
 102 #define TC_CONS_FIX_NEW(frag, where, size, exp) \
 103   tic6x_cons_fix_new (frag, where, size, exp)
 104 extern void tic6x_cons_fix_new (fragS *frag, int where, int size,
 105                                 expressionS *exp);
 106
 107 #define tc_frob_label(sym) tic6x_frob_label (sym)
 108 extern void tic6x_frob_label (symbolS *sym);
 109
 110 #define tc_unrecognized_line(c) tic6x_unrecognized_line (c)
 111 extern int tic6x_unrecognized_line (int c);