/* Common target dependent code for GDB on AArch64 systems.
- Copyright (C) 2009-2014 Free Software Foundation, Inc.
+ Copyright (C) 2009-2016 Free Software Foundation, Inc.
Contributed by ARM Ltd.
This file is part of GDB.
/* Total number of general (X) registers. */
#define AARCH64_X_REGISTER_COUNT 32
+/* The maximum number of modified instructions generated for one
+ single-stepped instruction. */
+#define DISPLACED_MODIFIED_INSNS 1
+
/* Target-dependent structure in gdbarch. */
struct gdbarch_tdep
{
/* And the size of each entry in the buf. */
size_t jb_elt_size;
- /* Cached core file helpers. */
- struct regset *gregset;
- struct regset *fpregset;
-
/* Types for AdvSISD registers. */
struct type *vnq_type;
struct type *vnd_type;
struct type *vns_type;
struct type *vnh_type;
struct type *vnb_type;
+
+ /* syscall record. */
+ int (*aarch64_syscall_record) (struct regcache *regcache, unsigned long svc_number);
};
+extern struct target_desc *tdesc_aarch64;
+
+extern int aarch64_process_record (struct gdbarch *gdbarch,
+ struct regcache *regcache, CORE_ADDR addr);
+
+struct displaced_step_closure *
+ aarch64_displaced_step_copy_insn (struct gdbarch *gdbarch,
+ CORE_ADDR from, CORE_ADDR to,
+ struct regcache *regs);
+
+void aarch64_displaced_step_fixup (struct gdbarch *gdbarch,
+ struct displaced_step_closure *dsc,
+ CORE_ADDR from, CORE_ADDR to,
+ struct regcache *regs);
+
+int aarch64_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
+ struct displaced_step_closure *closure);
+
#endif /* aarch64-tdep.h */