X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fsolib-svr4.h;h=30dd6bc0b368d1643f8f78fa2e5bd4c3db998f14;hb=421d1616230a78449dc2f5abb60f03d38b96c3cf;hp=58b41e03585938642b19286df03ea88cfb6c138c;hpb=01f0fe5e0450edf168c1f612feb93cf588e4e7ea;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/solib-svr4.h b/gdb/solib-svr4.h
index 58b41e0358..30dd6bc0b3 100644
--- a/gdb/solib-svr4.h
+++ b/gdb/solib-svr4.h
@@ -1,13 +1,12 @@
 /* Handle shared libraries for GDB, the GNU Debugger.
 
-   Copyright (C) 2000, 2004, 2006
-   Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -16,14 +15,38 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #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
@@ -37,6 +60,9 @@ struct link_map_offsets
     /* Offset of r_debug.r_map.  */
     int r_map_offset;
 
+    /* Offset of r_debug.r_brk.  */
+    int r_brk_offset;
+
     /* Offset of r_debug.r_ldsomap.  */
     int r_ldsomap_offset;
 
@@ -47,32 +73,17 @@ struct link_map_offsets
     /* Offset to l_addr field in struct link_map.  */
     int l_addr_offset;
 
-    /* Size of l_addr field in struct link_map.  */
-    int l_addr_size;
-
     /* Offset to l_ld field in struct link_map.  */
     int l_ld_offset;
 
-    /* Size of l_ld field in struct link_map.  */
-    int l_ld_size;
-
     /* Offset to l_next field in struct link_map.  */
     int l_next_offset;
 
-    /* Size of l_next field in struct link_map.  */
-    int l_next_size;
-
     /* Offset to l_prev field in struct link_map.  */
     int l_prev_offset;
 
-    /* Size of l_prev field in struct link_map.  */
-    int l_prev_size;
-
     /* Offset to l_name field in struct link_map.  */
     int l_name_offset;
-
-    /* Size of l_name field in struct link_map.  */
-    int l_name_size;
   };
 
 /* set_solib_svr4_fetch_link_map_offsets() is intended to be called by
@@ -87,14 +98,13 @@ extern void set_solib_svr4_fetch_link_map_offsets
    link map for the given objfile.  */
 extern CORE_ADDR svr4_fetch_objfile_link_map (struct objfile *objfile);
 
-/* legacy_svr4_fetch_link_map_offsets_hook is a pointer to a function
-   which is used to fetch link map offsets.  It will only be set
-   by solib-legacy.c, if at all.  */
-extern struct link_map_offsets *(*legacy_svr4_fetch_link_map_offsets_hook) (void);
-
 /* Fetch (and possibly build) an appropriate `struct link_map_offsets'
    for ILP32 and LP64 SVR4 systems.  */
 extern struct link_map_offsets *svr4_ilp32_fetch_link_map_offsets (void);
 extern struct link_map_offsets *svr4_lp64_fetch_link_map_offsets (void);
 
+/* Return 1 if PC lies in the dynamic symbol resolution code of the
+   SVR4 run time loader.  */
+int svr4_in_dynsym_resolve_code (CORE_ADDR pc);
+
 #endif /* solib-svr4.h */