gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / fbsd-nat.h

diff --git a/gdb/fbsd-nat.h b/gdb/fbsd-nat.h
index 03f6bb11b8aa36c8f183be5e6197f0a116d8e4a1..40117177b15bbe4eec7276df7c58b04eed72534a 100644 (file)
--- a/gdb/fbsd-nat.h
+++ b/gdb/fbsd-nat.h
@@ -1,6 +1,6 @@
 /* Native-dependent code for FreeBSD.
 
-   Copyright (C) 2004-2015 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,8 +20,80 @@
 #ifndef FBSD_NAT_H
 #define FBSD_NAT_H
 
-/* Register the customized FreeBSD target.  This should be used
-   instead of calling add_target directly.  */
-extern void fbsd_nat_add_target (struct target_ops *);
+#include "inf-ptrace.h"
+#include <sys/proc.h>
+
+#ifdef TRAP_BRKPT
+/* MIPS does not set si_code for SIGTRAP.  sparc64 reports
+   non-standard values in si_code for SIGTRAP.  */
+# if !defined(__mips__) && !defined(__sparc64__)
+#  define USE_SIGTRAP_SIGINFO
+# endif
+#endif
+
+/* A prototype FreeBSD target.  */
+
+class fbsd_nat_target : public inf_ptrace_target
+{
+public:
+  char *pid_to_exec_file (int pid) override;
+
+  int find_memory_regions (find_memory_region_ftype func, void *data) override;
+
+  bool info_proc (const char *, enum info_proc_what) override;
+
+  enum target_xfer_status xfer_partial (enum target_object object,
+                                       const char *annex,
+                                       gdb_byte *readbuf,
+                                       const gdb_byte *writebuf,
+                                       ULONGEST offset, ULONGEST len,
+                                       ULONGEST *xfered_len) override;
+
+#ifdef PT_LWPINFO
+  bool thread_alive (ptid_t ptid) override;
+  std::string pid_to_str (ptid_t) override;
+
+#ifdef HAVE_STRUCT_PTRACE_LWPINFO_PL_TDNAME
+  const char *thread_name (struct thread_info *) override;
+#endif
+
+  void update_thread_list () override;
+
+  thread_control_capabilities get_thread_control_capabilities () override
+  { return tc_schedlock; }
+
+  void resume (ptid_t, int, enum gdb_signal) override;
+
+  ptid_t wait (ptid_t, struct target_waitstatus *, int) override;
+
+  void post_startup_inferior (ptid_t) override;
+  void post_attach (int) override;
+
+#ifdef USE_SIGTRAP_SIGINFO
+  bool supports_stopped_by_sw_breakpoint () override;
+  bool stopped_by_sw_breakpoint () override;
+#endif
+
+#ifdef TDP_RFPPWAIT
+  bool follow_fork (bool, bool) override;
+
+  int insert_fork_catchpoint (int) override;
+  int remove_fork_catchpoint (int) override;
+
+  int insert_vfork_catchpoint (int) override;
+  int remove_vfork_catchpoint (int) override;
+#endif
+
+#ifdef PL_FLAG_EXEC
+  int insert_exec_catchpoint (int) override;
+  int remove_exec_catchpoint (int) override;
+#endif
+
+#ifdef HAVE_STRUCT_PTRACE_LWPINFO_PL_SYSCALL_CODE
+  int set_syscall_catchpoint (int, bool, int, gdb::array_view<const int>)
+    override;
+#endif
+#endif /* PT_LWPINFO */
+};
 
 #endif /* fbsd-nat.h */