3 files changed, 122 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 24e4c92..b528190 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-11-06  Tom de Vries  <tdevries@suse.de>
+
+	* gdb.base/many-headers.c: New test.
+	* gdb.base/many-headers.exp: New file.
+
 2018-11-06  Jim Wilson  <jimw@sifive.com>
 
 	* gdb.base/code_elim.exp: For riscv, set additional_flags
diff --git a/gdb/testsuite/gdb.base/many-headers.c b/gdb/testsuite/gdb.base/many-headers.c
new file mode 100644
index 0000000..49675b4
--- /dev/null
+++ b/gdb/testsuite/gdb.base/many-headers.c
@@ -0,0 +1,50 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2018 Free Software Foundation, Inc.
+
+   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 <stdio.h>
+#include <malloc.h>
+#include <sys/mman.h>
+
+int
+main (void)
+{
+  char *ptr;
+  int ind, cnt;
+
+  cnt = 100000;
+  for (ind = 0; ind < cnt; ind++)
+    {
+      ptr = mmap (NULL, 100, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
+      if (ptr == NULL)
+	{
+	  fprintf (stderr, "Error allocating memory using mmap\n");
+	  return -1;
+	}
+
+      ptr = mmap (NULL, 100, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
+      if (ptr == NULL)
+	{
+	  fprintf (stderr, "Error allocating memory using mmap\n");
+	  return -1;
+	}
+    }
+
+  ptr = NULL;
+  *ptr = '\0';
+
+  return 0;
+}
diff --git a/gdb/testsuite/gdb.base/many-headers.exp b/gdb/testsuite/gdb.base/many-headers.exp
new file mode 100644
index 0000000..f02b291
--- /dev/null
+++ b/gdb/testsuite/gdb.base/many-headers.exp
@@ -0,0 +1,67 @@
+# Copyright 2018 Free Software Foundation, Inc.
+
+# 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/>.
+
+# Test if gdb can read a core file with a program header size of 4MB, if the
+# stack size is limited to 4MB.
+
+if { [target_info gdb_protocol] != "" } {
+    # Even though the feature under features being tested are supported by
+    # gdbserver, the way this test is written doesn't make it easy with a
+    # remote target.
+    unsupported "not native"
+    return
+}
+
+standard_testfile
+
+if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
+    return -1
+}
+
+# Generate core file.
+set corefile [core_find $binfile]
+if {$corefile == ""} {
+    return 0
+}
+
+# Limit is in kb, so this is 4MB.
+set stack_limit 4096
+
+# Verify if we can set the stack limit.
+catch {
+    system [concat \
+		"(" \
+		"ulimit -s $stack_limit;" \
+		")"]
+} msg
+if { "$msg" != "" } {
+    untested "Can't set stack limit"
+    return -1
+}
+
+# Run gdb with stack limit
+catch {
+    system [concat \
+		"(" \
+		"ulimit -s $stack_limit;" \
+		"$GDB $INTERNAL_GDBFLAGS $GDBFLAGS -batch -core=$corefile" \
+		")"]
+} msg
+set test "read core file"
+if { "$msg" == "" } {
+    pass "$test"
+} else {
+    fail "$test"
+}