/* This file is tc-avr.h
- Copyright (C) 1999-2014 Free Software Foundation, Inc.
+ Copyright (C) 1999-2019 Free Software Foundation, Inc.
Contributed by Denis Chertykov <denisc@overta.ru>
nonstandard escape sequences in a string. */
#define ONLY_STANDARD_ESCAPES
+#define DIFF_EXPR_OK /* .-foo gets turned into PC relative relocs */
+
/* GAS will call this function for any expression that can not be
recognized. When the function is called, `input_line_pointer'
will point to the start of the expression. */
visible symbols can be overridden. */
#define EXTERN_FORCE_RELOC 0
+/* If defined, this macro allows control over whether fixups for a
+ given section will be processed when the linkrelax variable is
+ set. Define it to zero and handle things in md_apply_fix instead.*/
+#define TC_LINKRELAX_FIXUP(SEG) 0
+
+/* If this macro returns non-zero, it guarantees that a relocation will be emitted
+ even when the value can be resolved locally. Do that if linkrelax is turned on */
+#define TC_FORCE_RELOCATION(fix) avr_force_relocation (fix)
+#define TC_FORCE_RELOCATION_SUB_SAME(fix, seg) \
+ (GENERIC_FORCE_RELOCATION_SUB_SAME (fix, seg) \
+ || avr_force_relocation (fix))
+extern int avr_force_relocation (struct fix *);
+
/* Values passed to md_apply_fix don't include the symbol value. */
#define MD_APPLY_SYM_VALUE(FIX) 0
goto SKIP; \
}
+/* This macro is evaluated for any fixup with a fx_subsy that
+ fixup_segment cannot reduce to a number. If the macro returns
+ false an error will be reported. */
+#define TC_VALIDATE_FIX_SUB(fix, seg) avr_validate_fix_sub (fix)
+extern int avr_validate_fix_sub (struct fix *);
+
/* This target is buggy, and sets fix size too large. */
#define TC_FX_SIZE_SLACK(FIX) 2
/* Define a hook to setup initial CFI state. */
extern void tc_cfi_frame_initial_instructions (void);
#define tc_cfi_frame_initial_instructions tc_cfi_frame_initial_instructions
+
+/* The difference between same-section symbols may be affected by linker
+ relaxation, so do not resolve such expressions in the assembler. */
+#define md_allow_local_subtract(l,r,s) avr_allow_local_subtract (l, r, s)
+extern bfd_boolean avr_allow_local_subtract (expressionS *, expressionS *, segT);
+
+#define elf_tc_final_processing avr_elf_final_processing
+extern void avr_elf_final_processing (void);
+
+#define md_pre_output_hook avr_pre_output_hook ()
+extern void avr_pre_output_hook (void);
+
+#define md_undefined_symbol avr_undefined_symbol
+extern symbolS* avr_undefined_symbol (char*);
+
+#define md_post_relax_hook avr_post_relax_hook ()
+extern void avr_post_relax_hook (void);
+
+#define HANDLE_ALIGN(fragP) avr_handle_align (fragP)
+extern void avr_handle_align (fragS *);
+
+struct avr_frag_data
+{
+ unsigned is_org : 1;
+ unsigned is_align : 1;
+ unsigned has_fill : 1;
+
+ char fill;
+ offsetT alignment;
+ unsigned int prev_opcode;
+};
+#define TC_FRAG_TYPE struct avr_frag_data
+#define TC_FRAG_INIT(frag, max_bytes) avr_frag_init (frag)
+extern void avr_frag_init (fragS *);