gdb: make gdbarch_displaced_step_copy_insn return an std::unique_ptr

[deliverable/binutils-gdb.git] / gdb / aarch64-tdep.h

diff --git a/gdb/aarch64-tdep.h b/gdb/aarch64-tdep.h
index d9cbd353f3feaea12fb4a07cf4944f305326fc8f..fc397967cd8eef0701c77d2465b748e98c7d8ca1 100644 (file)
--- a/gdb/aarch64-tdep.h
+++ b/gdb/aarch64-tdep.h
@@ -1,6 +1,6 @@
 /* Common target dependent code for GDB on AArch64 systems.
 
-   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2009-2020 Free Software Foundation, Inc.
    Contributed by ARM Ltd.
 
    This file is part of GDB.
@@ -31,7 +31,14 @@ struct regset;
 /* AArch64 Dwarf register numbering.  */
 #define AARCH64_DWARF_X0   0
 #define AARCH64_DWARF_SP  31
+#define AARCH64_DWARF_PAUTH_RA_STATE  34
+#define AARCH64_DWARF_PAUTH_DMASK  35
+#define AARCH64_DWARF_PAUTH_CMASK  36
 #define AARCH64_DWARF_V0  64
+#define AARCH64_DWARF_SVE_VG   46
+#define AARCH64_DWARF_SVE_FFR  47
+#define AARCH64_DWARF_SVE_P0   48
+#define AARCH64_DWARF_SVE_Z0   96
 
 /* Size of integer registers.  */
 #define X_REGISTER_SIZE  8
@@ -49,7 +56,7 @@ struct regset;
 
 /* The maximum number of modified instructions generated for one
    single-stepped instruction.  */
-#define DISPLACED_MODIFIED_INSNS 1
+#define AARCH64_DISPLACED_MODIFIED_INSNS 1
 
 /* Target-dependent structure in gdbarch.  */
 struct gdbarch_tdep
@@ -70,17 +77,36 @@ struct gdbarch_tdep
   struct type *vns_type;
   struct type *vnh_type;
   struct type *vnb_type;
+  struct type *vnv_type;
 
   /* syscall record.  */
   int (*aarch64_syscall_record) (struct regcache *regcache, unsigned long svc_number);
+
+  /* The VQ value for SVE targets, or zero if SVE is not supported.  */
+  uint64_t vq;
+
+  /* Returns true if the target supports SVE.  */
+  bool has_sve () const
+  {
+    return vq != 0;
+  }
+
+  int pauth_reg_base;
+  int pauth_ra_state_regnum;
+
+  /* Returns true if the target supports pauth.  */
+  bool has_pauth () const
+  {
+    return pauth_reg_base != -1;
+  }
 };
 
-const target_desc *aarch64_read_description ();
+const target_desc *aarch64_read_description (uint64_t vq, bool pauth_p);
 
 extern int aarch64_process_record (struct gdbarch *gdbarch,
                                struct regcache *regcache, CORE_ADDR addr);
 
-struct displaced_step_closure *
+struct std::unique_ptr<displaced_step_closure>
   aarch64_displaced_step_copy_insn (struct gdbarch *gdbarch,
                                    CORE_ADDR from, CORE_ADDR to,
                                    struct regcache *regs);