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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gas/] [config/] [tc-tic6x.h] - Rev 136
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/* 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; /* Must be consistent with the enum in tc-tic6x.c. */ #define TIC6X_NUM_UNWIND_REGS 13 /* Unwinding information state. */ typedef struct tic6x_unwind_info { int personality_index; symbolS *personality_routine; symbolS *function_start; segT saved_seg; subsegT saved_subseg; /* NULL if table entry is inline. */ symbolS *table_entry; char *frag_start; valueT data; /* 0 before .cfi_startproc -1 between .cfi_startproc and .handlerdata >0 between .handlerdata and .endp */ int data_bytes; offsetT reg_offset[TIC6X_NUM_UNWIND_REGS]; bfd_boolean reg_saved[TIC6X_NUM_UNWIND_REGS]; int cfa_reg; int return_reg; unsigned safe_mask; unsigned compact_mask; unsigned reg_saved_mask; offsetT cfa_offset; bfd_boolean pop_rts; /* Only valid for UNWIND_OP_POP_REG */ int saved_reg_count; } tic6x_unwind_info; 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; /* Bit N indicates that an R_C6000_NONE relocation has been output for __c6xabi_unwind_cpp_prN already if set. This enables dependencies to be emitted only once per section, to save unnecessary bloat. */ unsigned int marked_pr_dependency; tic6x_unwind_info *unwind; tic6x_unwind_info *text_unwind; } 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; /* The symbol to be subtracted in case of a PCR_H16 or PCR_L16 reloc. */ symbolS *fix_subsy; } 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); /* We want .cfi_* pseudo-ops for generating unwind info. */ #define TARGET_USE_CFIPOP 1 /* CFI hooks. */ #define tc_regname_to_dw2regnum tic6x_regname_to_dw2regnum int tic6x_regname_to_dw2regnum (char *regname); #define tc_cfi_frame_initial_instructions tic6x_frame_initial_instructions void tic6x_frame_initial_instructions (void); /* The return register is B3. */ #define DWARF2_DEFAULT_RETURN_COLUMN (16 + 3) /* Registers are generally saved at negative offsets to the CFA. */ #define DWARF2_CIE_DATA_ALIGNMENT (-4) #define tc_cfi_startproc tic6x_cfi_startproc void tic6x_cfi_startproc (void); #define tc_cfi_endproc tic6x_cfi_endproc struct fde_entry; void tic6x_cfi_endproc (struct fde_entry *fde); #define tc_cfi_section_name ".c6xabi.exidx"
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