| /* Definitions for TI C6X assembler. |
| Copyright 2010 |
| 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. */ |
| |
| #define TC_TIC6X 1 |
| #define TARGET_BYTES_BIG_ENDIAN 0 |
| #define WORKING_DOT_WORD |
| #define DOUBLEBAR_PARALLEL |
| #define DWARF2_LINE_MIN_INSN_LENGTH 2 |
| #define MD_APPLY_SYM_VALUE(FIX) 0 |
| #define TC_PREDICATE_START_CHAR '[' |
| #define TC_PREDICATE_END_CHAR ']' |
| /* For TI C6X, we keep spaces in what the preprocessor considers |
| operands as they may separate functional unit specifiers from |
| operands. */ |
| #define TC_KEEP_OPERAND_SPACES 1 |
| |
| #define TARGET_ARCH bfd_arch_tic6x |
| #define TARGET_FORMAT (target_big_endian \ |
| ? "elf32-tic6x-be" \ |
| : "elf32-tic6x-le") |
| |
| typedef struct tic6x_label_list |
| { |
| struct tic6x_label_list *next; |
| symbolS *label; |
| } tic6x_label_list; |
| |
| typedef struct |
| { |
| /* Any labels seen since the last instruction or data. If not NULL, |
| a following instruction may not have parallel bars, but must |
| start a new execute packet. */ |
| tic6x_label_list *label_list; |
| |
| /* Whether compact instructions are forbidden here. */ |
| bfd_boolean nocmp; |
| |
| /* If there is a current execute packet, the frag being used for |
| that execute packet. */ |
| fragS *execute_packet_frag; |
| |
| /* If there is a current execute packet, a pointer to the |
| least-significant byte of the last instruction in it (for setting |
| the p-bit). */ |
| char *last_insn_lsb; |
| |
| /* If there has been an SPMASK instruction in the current execute |
| packet, a pointer to the first byte in it (for processing |
| ||^); otherwise NULL. */ |
| char *spmask_addr; |
| |
| /* The functional units used in the current execute packet, recorded |
| by setting the same bits as would be set in the 32-bit SPMASK |
| instruction. */ |
| unsigned int func_units_used; |
| |
| /* If an SPLOOP-family instruction has been seen, and a following |
| SPKERNEL-family instruction has not yet been seen, the ii value |
| from the SPLOOP instruction (in the range 1 to 14); otherwise |
| 0. */ |
| int sploop_ii; |
| } tic6x_segment_info_type; |
| #define TC_SEGMENT_INFO_TYPE tic6x_segment_info_type |
| |
| typedef struct |
| { |
| /* Whether this machine-dependent frag is used for instructions (as |
| opposed to code alignment). */ |
| bfd_boolean is_insns; |
| |
| /* For a frag used for instructions, whether it is may cross a fetch |
| packet boundary (subject to alignment requirements). */ |
| bfd_boolean can_cross_fp_boundary; |
| } tic6x_frag_info; |
| #define TC_FRAG_TYPE tic6x_frag_info |
| #define TC_FRAG_INIT(fragP) tic6x_frag_init (fragP) |
| extern void tic6x_frag_init (fragS *fragp); |
| |
| typedef struct |
| { |
| /* Whether this fix was for an ADDA instruction. If so, a constant |
| resulting from resolving the fix should be implicitly shifted |
| left (it represents a value to be encoded literally in the |
| instruction, whereas a non-constant represents a DP-relative |
| value counting in the appropriate units). */ |
| bfd_boolean fix_adda; |
| } tic6x_fix_info; |
| #define TC_FIX_TYPE tic6x_fix_info |
| #define TC_INIT_FIX_DATA(fixP) tic6x_init_fix_data (fixP) |
| struct fix; |
| extern void tic6x_init_fix_data (struct fix *fixP); |
| |
| #define md_after_parse_args() tic6x_after_parse_args () |
| extern void tic6x_after_parse_args (void); |
| |
| #define md_cleanup() tic6x_cleanup () |
| extern void tic6x_cleanup (void); |
| |
| #define md_cons_align(n) tic6x_cons_align (n) |
| extern void tic6x_cons_align (int n); |
| |
| #define md_do_align(n, fill, len, max, label) \ |
| do { \ |
| if (tic6x_do_align (n, fill, len, max)) \ |
| goto label; \ |
| } while (0) |
| extern bfd_boolean tic6x_do_align (int n, char *fill, int len, int max); |
| |
| #define CONVERT_SYMBOLIC_ATTRIBUTE(name) \ |
| tic6x_convert_symbolic_attribute (name) |
| extern int tic6x_convert_symbolic_attribute (const char *); |
| |
| #define md_end() tic6x_end (); |
| extern void tic6x_end (void); |
| |
| #define md_parse_name(name, exprP, mode, nextcharP) \ |
| tic6x_parse_name (name, exprP, mode, nextcharP) |
| extern int tic6x_parse_name (const char *name, expressionS *exprP, |
| enum expr_mode mode, char *nextchar); |
| |
| #define MD_PCREL_FROM_SECTION(FIX, SEC) tic6x_pcrel_from_section (FIX, SEC) |
| extern long tic6x_pcrel_from_section (struct fix *fixp, segT sec); |
| |
| #define md_start_line_hook() tic6x_start_line_hook () |
| extern void tic6x_start_line_hook (void); |
| |
| #define TC_CONS_FIX_NEW(frag, where, size, exp) \ |
| tic6x_cons_fix_new (frag, where, size, exp) |
| extern void tic6x_cons_fix_new (fragS *frag, int where, int size, |
| expressionS *exp); |
| |
| #define tc_fix_adjustable(FIX) tic6x_fix_adjustable (FIX) |
| extern bfd_boolean tic6x_fix_adjustable (struct fix *); |
| |
| #define tc_frob_label(sym) tic6x_frob_label (sym) |
| extern void tic6x_frob_label (symbolS *sym); |
| |
| #define tc_init_after_args() tic6x_init_after_args () |
| extern void tic6x_init_after_args (void); |
| |
| #define tc_unrecognized_line(c) tic6x_unrecognized_line (c) |
| extern int tic6x_unrecognized_line (int c); |