/* Target dependent code for ARC architecture, for GDB.
- Copyright 2005-2020 Free Software Foundation, Inc.
+ Copyright 2005-2022 Free Software Foundation, Inc.
Contributed by Synopsys Inc.
This file is part of GDB.
#define arc_print(fmt, args...) fprintf_unfiltered (gdb_stdlog, fmt, ##args)
-extern int arc_debug;
+extern bool arc_debug;
+
+/* Print an "arc" debug statement. */
+
+#define arc_debug_printf(fmt, ...) \
+ debug_prefixed_printf_cond (arc_debug, "arc", fmt, ##__VA_ARGS__)
/* Target-dependent information. */
-struct gdbarch_tdep
+struct arc_gdbarch_tdep : gdbarch_tdep
{
/* Offset to PC value in jump buffer. If this is negative, longjmp
support will be disabled. */
- int jb_pc;
+ int jb_pc = 0;
/* Whether target has hardware (aka zero-delay) loops. */
- bool has_hw_loops;
+ bool has_hw_loops = false;
+
+ /* Detect sigtramp. */
+ bool (*is_sigtramp) (struct frame_info *) = nullptr;
+
+ /* Get address of sigcontext for sigtramp. */
+ CORE_ADDR (*sigcontext_addr) (struct frame_info *) = nullptr;
+
+ /* Offset of registers in `struct sigcontext'. */
+ const int *sc_reg_offset = nullptr;
+
+ /* Number of registers in sc_reg_offsets. Most likely a ARC_LAST_REGNUM,
+ but in theory it could be less, so it is kept separate. */
+ int sc_num_regs = 0;
};
/* Utility functions used by other ARC-specific modules. */