gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / solib-svr4.h

diff --git a/gdb/solib-svr4.h b/gdb/solib-svr4.h
index f27bde8e928128593d49ec78d772c7f42696d921..30dd6bc0b368d1643f8f78fa2e5bd4c3db998f14 100644 (file)
--- a/gdb/solib-svr4.h
+++ b/gdb/solib-svr4.h
@@ -1,7 +1,6 @@
 /* Handle shared libraries for GDB, the GNU Debugger.
 
-   Copyright (C) 2000, 2004, 2006, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -21,11 +20,34 @@
 #ifndef SOLIB_SVR4_H
 #define SOLIB_SVR4_H
 
+#include "solist.h"
+
 struct objfile;
 struct target_so_ops;
 
 extern struct target_so_ops svr4_so_ops;
 
+/* Link map info to include in an allocated so_list entry.  */
+
+struct lm_info_svr4 : public lm_info_base
+{
+  /* Amount by which addresses in the binary should be relocated to
+     match the inferior.  The direct inferior value is L_ADDR_INFERIOR.
+     When prelinking is involved and the prelink base address changes,
+     we may need a different offset - the recomputed offset is in L_ADDR.
+     It is commonly the same value.  It is cached as we want to warn about
+     the difference and compute it only once.  L_ADDR is valid
+     iff L_ADDR_P.  */
+  CORE_ADDR l_addr = 0, l_addr_inferior = 0;
+  bool l_addr_p = false;
+
+  /* The target location of lm.  */
+  CORE_ADDR lm_addr = 0;
+
+  /* Values read in from inferior's fields of the same name.  */
+  CORE_ADDR l_ld = 0, l_next = 0, l_prev = 0, l_name = 0;
+};
+
 /* Critical offsets and sizes which describe struct r_debug and
    struct link_map on SVR4-like targets.  All offsets and sizes are
    in bytes unless otherwise specified.  */