gdb: add target_ops::supports_displaced_step

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

diff --git a/gdb/fbsd-tdep.h b/gdb/fbsd-tdep.h
index 700f23eb325a439f36df8152c4e3396d50338721..5dd8203299148aa81e9f02af7a1d050801a91f40 100644 (file)
--- a/gdb/fbsd-tdep.h
+++ b/gdb/fbsd-tdep.h
@@ -1,6 +1,6 @@
 /* Target-dependent code for FreeBSD, architecture independent.
 
-   Copyright (C) 2009-2018 Free Software Foundation, Inc.
+   Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -60,4 +60,15 @@ extern void fbsd_info_proc_mappings_entry (int addr_bit, ULONGEST kve_start,
                                           int kve_flags, int kve_protection,
                                           const void *kve_path);
 
+/* Helper function to fetch the address of a thread-local variable.
+   DTV_ADDR is the base address of the thread's dtv array.  LM_ADDR is
+   the address of the link_map structure for the associated object
+   file.  OFFSET is the offset of the variable in the object file's
+   thread-local variable block.  */
+
+extern CORE_ADDR fbsd_get_thread_local_address (struct gdbarch *gdbarch,
+                                               CORE_ADDR dtv_addr,
+                                               CORE_ADDR lm_addr,
+                                               CORE_ADDR offset);
+
 #endif /* fbsd-tdep.h */