1 files changed, 98 insertions, 0 deletions
diff --git a/gdb/solib-svr4-linux.c b/gdb/solib-svr4-linux.c
new file mode 100644
index 0000000..fd86cf0
--- /dev/null
+++ b/gdb/solib-svr4-linux.c
@@ -0,0 +1,98 @@
+/* Target-dependent code for GNU/Linux using SVR4-style libraries.
+
+   Copyright (C) 2025 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 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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, see <http://www.gnu.org/licenses/>.  */
+
+#include "solib-svr4-linux.h"
+
+/* See solib-svr4-linux.h.  */
+
+solib_ops_up
+make_linux_ilp32_svr4_solib_ops ()
+{
+  return std::make_unique<linux_ilp32_svr4_solib_ops> ();
+}
+
+/* See solib-svr4-linux.h.  */
+
+link_map_offsets *
+linux_ilp32_svr4_solib_ops::fetch_link_map_offsets () const
+{
+  static link_map_offsets lmo;
+  static link_map_offsets *lmp = nullptr;
+
+  if (lmp == nullptr)
+    {
+      lmp = &lmo;
+
+      lmo.r_version_offset = 0;
+      lmo.r_version_size = 4;
+      lmo.r_map_offset = 4;
+      lmo.r_brk_offset = 8;
+      lmo.r_ldsomap_offset = -1;
+      lmo.r_next_offset = 20;
+
+      /* Everything we need is in the first 20 bytes.  */
+      lmo.link_map_size = 20;
+      lmo.l_addr_offset = 0;
+      lmo.l_name_offset = 4;
+      lmo.l_ld_offset = 8;
+      lmo.l_next_offset = 12;
+      lmo.l_prev_offset = 16;
+    }
+
+  return lmp;
+}
+
+/* See solib-svr4-linux.h.  */
+
+solib_ops_up
+make_linux_lp64_svr4_solib_ops ()
+{
+  return std::make_unique<linux_lp64_svr4_solib_ops> ();
+}
+
+/* See linux-tdep.h.  */
+
+link_map_offsets *
+linux_lp64_svr4_solib_ops::fetch_link_map_offsets () const
+{
+  static link_map_offsets lmo;
+  static link_map_offsets *lmp = nullptr;
+
+  if (lmp == nullptr)
+    {
+      lmp = &lmo;
+
+      lmo.r_version_offset = 0;
+      lmo.r_version_size = 4;
+      lmo.r_map_offset = 8;
+      lmo.r_brk_offset = 16;
+      lmo.r_ldsomap_offset = -1;
+      lmo.r_next_offset = 40;
+
+      /* Everything we need is in the first 40 bytes.  */
+      lmo.link_map_size = 40;
+      lmo.l_addr_offset = 0;
+      lmo.l_name_offset = 8;
+      lmo.l_ld_offset = 16;
+      lmo.l_next_offset = 24;
+      lmo.l_prev_offset = 32;
+    }
+
+  return lmp;
+}