/* tc-arc.h - Macros and type defines for the ARC.
- Copyright 2014 Free Software Foundation, Inc.
+ Copyright (C) 2014-2019 Free Software Foundation, Inc.
Contributed by Claudiu Zissulescu (claziss@synopsys.com)
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
+#include "opcode/arc.h"
/* By convention, you should define this macro in the `.h' file. For
example, `tc-m68k.h' defines `TC_M68K'. You might have to use this
arc_cons_fix_new ((FRAG), (OFF), (LEN), (EXP), (RELOC))
/* We don't want gas to fixup the following program memory related
- relocations. */
-#define TC_VALIDATE_FIX(FIXP,SEG,SKIP) \
- if ((FIXP->fx_r_type == BFD_RELOC_ARC_GOTPC32) \
- && FIXP->fx_addsy != NULL \
- && FIXP->fx_subsy == NULL) \
- { \
- symbol_mark_used_in_reloc (FIXP->fx_addsy); \
- goto SKIP; \
+ relocations. Check also that fx_addsy is not NULL, in order to
+ make sure that the fixup refers to some sort of label. */
+#define TC_VALIDATE_FIX(FIXP,SEG,SKIP) \
+ if ((FIXP->fx_r_type == BFD_RELOC_ARC_GOTPC32 \
+ || FIXP->fx_r_type == BFD_RELOC_ARC_PLT32 \
+ || FIXP->fx_r_type == BFD_RELOC_ARC_S25W_PCREL_PLT \
+ || FIXP->fx_r_type == BFD_RELOC_ARC_S25H_PCREL_PLT \
+ || FIXP->fx_r_type == BFD_RELOC_ARC_S21W_PCREL_PLT \
+ || FIXP->fx_r_type == BFD_RELOC_ARC_S21H_PCREL_PLT) \
+ && FIXP->fx_addsy != NULL \
+ && FIXP->fx_subsy == NULL) \
+ { \
+ symbol_mark_used_in_reloc (FIXP->fx_addsy); \
+ goto SKIP; \
}
/* BFD_RELOC_ARC_TLS_GD_LD may use fx_subsy to store a label that is
/* The symbol is a ZOL's end loop label. */
#define ARC_FLAG_ZOL (1 << 0)
+/* The symbol is an AUX register. */
+#define ARC_FLAG_AUX (1 << 1)
/* We use this hook to check the validity of the last to instructions
of a ZOL. */
#define tc_frob_label(S) arc_frob_label (S)
#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
-#define DYNAMIC_STRUCT_NAME "_DYNAMIC"
/* We need to take care of not having section relative fixups for the
fixups with respect to Position Independent Code. */
/* This hook is required to parse register names as operands. */
#define md_parse_name(name, exp, m, c) arc_parse_name (name, exp)
+/* Used within frags to pass some information to some relaxation
+ machine dependent values. */
+#define TC_FRAG_TYPE struct arc_relax_type
+
+/* Adjust non PC-rel values at relaxation time. */
+#define TC_PCREL_ADJUST(F) arc_pcrel_adjust (F)
+
+/* Adjust symbol table. */
+#define obj_adjust_symtab() arc_adjust_symtab ()
+
+/* Object attribute hooks. */
+#define md_end arc_md_end
+#define CONVERT_SYMBOLIC_ATTRIBUTE(name) arc_convert_symbolic_attribute (name)
+#ifndef TC_COPY_SYMBOL_ATTRIBUTES
+#define TC_COPY_SYMBOL_ATTRIBUTES(DEST, SRC) \
+ (arc_copy_symbol_attributes (DEST, SRC))
+#endif
+
+extern void arc_copy_symbol_attributes (symbolS *, symbolS *);
+extern int arc_convert_symbolic_attribute (const char *);
+extern void arc_md_end (void);
+extern void arc_adjust_symtab (void);
+extern int arc_pcrel_adjust (fragS *);
extern bfd_boolean arc_parse_name (const char *, struct expressionS *);
extern int tc_arc_fix_adjustable (struct fix *);
extern void arc_handle_align (fragS *);
extern void arc_cons_fix_new (fragS *, int, int, expressionS *,
bfd_reloc_code_real_type);
extern void arc_frob_label (symbolS *);
+extern void tc_arc_frame_initial_instructions (void);
+extern int tc_arc_regname_to_dw2regnum (char *regname);
/* 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)
+/* 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
+
/* Define the NOPs. */
#define NOP_OPCODE_S 0x000078E0
#define NOP_OPCODE_L 0x264A7000 /* mov 0,0. */
+#define MAX_FLAG_NAME_LENGTH 7
+
+struct arc_flags
+{
+ /* Name of the parsed flag. */
+ char name[MAX_FLAG_NAME_LENGTH + 1];
+
+ /* Pointer to arc flags. */
+ const struct arc_flag_operand *flgp;
+};
+
+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;
+};
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