gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / x86-linux-nat.h

diff --git a/gdb/x86-linux-nat.h b/gdb/x86-linux-nat.h
index 7d952aa8975ba04e02afb6070666233b5af21429..d9dcd32409bd5a34f6b51430b699c80f773b1eaf 100644 (file)
--- a/gdb/x86-linux-nat.h
+++ b/gdb/x86-linux-nat.h
@@ -1,6 +1,6 @@
 /* Native-dependent code for GNU/Linux x86 (i386 and x86-64).
 
-   Copyright (C) 1999-2017 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,6 +20,61 @@
 #ifndef X86_LINUX_NAT_H
 #define X86_LINUX_NAT_H 1
 
+#include "gdb_proc_service.h"  /* For ps_err_e.  */
+#include "linux-nat.h"
+#include "x86-nat.h"
+#include "nat/x86-linux.h"
+
+struct x86_linux_nat_target : public x86_nat_target<linux_nat_target>
+{
+  virtual ~x86_linux_nat_target () override = 0;
+
+  /* Override the GNU/Linux inferior startup hook.  */
+  void post_startup_inferior (ptid_t) override;
+
+  /* Add the description reader.  */
+  const struct target_desc *read_description () override;
+
+  struct btrace_target_info *enable_btrace (ptid_t ptid,
+                                           const struct btrace_config *conf) override;
+  void disable_btrace (struct btrace_target_info *tinfo) override;
+  void teardown_btrace (struct btrace_target_info *tinfo) override;
+  enum btrace_error read_btrace (struct btrace_data *data,
+                                struct btrace_target_info *btinfo,
+                                enum btrace_read_type type) override;
+  const struct btrace_config *btrace_conf (const struct btrace_target_info *) override;
+
+  /* These two are rewired to low_ versions.  linux-nat.c queries
+     stopped-by-watchpoint info as soon as an lwp stops (via the low_
+     methods) and caches the result, to be returned via the normal
+     non-low methods.  */
+  bool stopped_by_watchpoint () override
+  { return linux_nat_target::stopped_by_watchpoint (); }
+
+  bool stopped_data_address (CORE_ADDR *addr_p) override
+  { return linux_nat_target::stopped_data_address (addr_p); }
+
+  bool low_stopped_by_watchpoint () override
+  { return x86_nat_target::stopped_by_watchpoint (); }
+
+  bool low_stopped_data_address (CORE_ADDR *addr_p) override
+  { return x86_nat_target::stopped_data_address (addr_p); }
+
+  void low_new_fork (struct lwp_info *parent, pid_t child_pid) override;
+
+  void low_forget_process (pid_t pid) override
+  { x86_forget_process (pid); }
+
+  void low_prepare_to_resume (struct lwp_info *lwp) override
+  { x86_linux_prepare_to_resume (lwp); }
+
+  void low_new_thread (struct lwp_info *lwp) override
+  { x86_linux_new_thread (lwp); }
+
+  void low_delete_thread (struct arch_lwp_info *lwp) override
+  { x86_linux_delete_thread (lwp); }
+};
+
 \f
 
 /* Helper for ps_get_thread_area.  Sets BASE_ADDR to a pointer to
@@ -28,14 +83,5 @@
 
 extern ps_err_e x86_linux_get_thread_area (pid_t pid, void *addr,
                                           unsigned int *base_addr);
-\f
-
-/* Create an x86 GNU/Linux target.  */
-
-extern struct target_ops *x86_linux_create_target (void);
-
-/* Add an x86 GNU/Linux target.  */
-
-extern void x86_linux_add_target (struct target_ops *t);
 
 #endif