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[binutils-gdb] Add a compile-time test for PR ld/22263
- From: H.J.Lu <hjl at sourceware dot org>
- To: bfd-cvs at sourceware dot org
- Date: 12 Oct 2017 21:55:35 -0000
- Subject: [binutils-gdb] Add a compile-time test for PR ld/22263
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=74ffa566739c7e98568a9aa8b5ab8d8f3730d30d
commit 74ffa566739c7e98568a9aa8b5ab8d8f3730d30d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Oct 12 14:41:22 2017 -0700
Add a compile-time test for PR ld/22263
This compile-time test requires a target C compiler to run. It fails
on many targets where ELF backend linkers incorrectly check bfd_link_pic
for TLS relocations, which should check bfd_link_executable instead.
PR ld/22263
* testsuite/ld-elf/pr22263-1.rd: New file.
* testsuite/ld-elf/pr22263-1a.c: Likewise.
* testsuite/ld-elf/pr22263-1b.c: Likewise.
* testsuite/ld-elf/tls.exp: Likewise.
Diff:
---
ld/ChangeLog | 8 +++++++
ld/testsuite/ld-elf/pr22263-1.rd | 2 ++
ld/testsuite/ld-elf/pr22263-1a.c | 7 ++++++
ld/testsuite/ld-elf/pr22263-1b.c | 12 ++++++++++
ld/testsuite/ld-elf/tls.exp | 51 ++++++++++++++++++++++++++++++++++++++++
5 files changed, 80 insertions(+)
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 85353b6..b0f7cd2 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,11 @@
+2017-10-12 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/22263
+ * testsuite/ld-elf/pr22263-1.rd: New file.
+ * testsuite/ld-elf/pr22263-1a.c: Likewise.
+ * testsuite/ld-elf/pr22263-1b.c: Likewise.
+ * testsuite/ld-elf/tls.exp: Likewise.
+
2017-10-12 Nick Clifton <nickc@redhat.com>
* testsuite/ld-aarch64/pcrel_pic_defined.d: Expect errors not
diff --git a/ld/testsuite/ld-elf/pr22263-1.rd b/ld/testsuite/ld-elf/pr22263-1.rd
new file mode 100644
index 0000000..9a583fb
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22263-1.rd
@@ -0,0 +1,2 @@
+
+There are no relocations in this file.
diff --git a/ld/testsuite/ld-elf/pr22263-1a.c b/ld/testsuite/ld-elf/pr22263-1a.c
new file mode 100644
index 0000000..ca4b75d
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22263-1a.c
@@ -0,0 +1,7 @@
+__thread int * foo;
+
+void
+bar (void)
+{
+ *foo = 1;
+}
diff --git a/ld/testsuite/ld-elf/pr22263-1b.c b/ld/testsuite/ld-elf/pr22263-1b.c
new file mode 100644
index 0000000..ef67f32
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22263-1b.c
@@ -0,0 +1,12 @@
+extern __thread int *foo;
+
+static int x;
+
+extern void bar (void);
+
+int
+_start ()
+{
+ foo = &x;
+ return 0;
+}
diff --git a/ld/testsuite/ld-elf/tls.exp b/ld/testsuite/ld-elf/tls.exp
new file mode 100644
index 0000000..9d64d6c
--- /dev/null
+++ b/ld/testsuite/ld-elf/tls.exp
@@ -0,0 +1,51 @@
+# Expect script for TLS tests.
+# Copyright (C) 2017 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+
+# Make sure that binutils can correctly handle TLS.
+
+if { ![istarget *-*-linux*]
+ && ![istarget *-*-nacl*]
+ && ![istarget *-*-gnu*] } {
+ return
+}
+
+if { [istarget *-*-linux*aout*]
+ || [istarget *-*-linux*oldld*] } {
+ return
+}
+
+# Check to see if the C compiler works.
+if { [which $CC] == 0 } {
+ return
+}
+
+run_ld_link_tests [list \
+ [list \
+ "Build pr22263-1" \
+ "-pie -e _start" \
+ "" \
+ "" \
+ { pr22263-1a.c pr22263-1b.c } \
+ {{readelf -r pr22263-1.rd}} \
+ "pr22263-1" \
+ "-fPIE -O2" \
+ ] \
+]