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authorH.J. Lu <hjl.tools@gmail.com>2017-04-28 12:42:05 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-04-28 12:42:18 -0700
commit1670f9c1546818c4ffe02e8f460df1c1c4b1601d (patch)
tree7d60c13655d170ddd4aa72e83c37b6dc3e360f3e
parentd6f48aed23d1004a4ed8ab3b2742b0bf7c838c1c (diff)
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x86: Add run-time tests for -mtls-dialect=gnu2
* testsuite/config/default.exp (GNU2_CFLAGS): New. Set to -mtls-dialect=gnu2 if target compiler supports it. * testsuite/ld-i386/tls.exp: Run -mtls-dialect=gnu2 tests. * testsuite/ld-x86-64/tls.exp: Likewise. * testsuite/ld-i386/tlsdesc1a.c: New file. * testsuite/ld-i386/tlsdesc1b.c: Likewise. * testsuite/ld-x86-64/tlsdesc1a.c: Likewise. * testsuite/ld-x86-64/tlsdesc1b.c: Likewise.
-rw-r--r--ld/ChangeLog11
-rw-r--r--ld/testsuite/config/default.exp37
-rw-r--r--ld/testsuite/ld-i386/tls.exp58
-rw-r--r--ld/testsuite/ld-i386/tlsdesc1a.c19
-rw-r--r--ld/testsuite/ld-i386/tlsdesc1b.c8
-rw-r--r--ld/testsuite/ld-x86-64/tls.exp63
-rw-r--r--ld/testsuite/ld-x86-64/tlsdesc1a.c19
-rw-r--r--ld/testsuite/ld-x86-64/tlsdesc1b.c8
8 files changed, 223 insertions, 0 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index be412ed..e15ee0a 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,5 +1,16 @@
2017-04-28 H.J. Lu <hongjiu.lu@intel.com>
+ * testsuite/config/default.exp (GNU2_CFLAGS): New. Set
+ to -mtls-dialect=gnu2 if target compiler supports it.
+ * testsuite/ld-i386/tls.exp: Run -mtls-dialect=gnu2 tests.
+ * testsuite/ld-x86-64/tls.exp: Likewise.
+ * testsuite/ld-i386/tlsdesc1a.c: New file.
+ * testsuite/ld-i386/tlsdesc1b.c: Likewise.
+ * testsuite/ld-x86-64/tlsdesc1a.c: Likewise.
+ * testsuite/ld-x86-64/tlsdesc1b.c: Likewise.
+
+2017-04-28 H.J. Lu <hongjiu.lu@intel.com>
+
* testsuite/ld-elf/shared.exp: Add run-time tests for -z now.
* testsuite/ld-i386/tls.exp: Likewise.
* testsuite/ld-ifunc/ifunc.exp: Likewise.
diff --git a/ld/testsuite/config/default.exp b/ld/testsuite/config/default.exp
index 899943c..f5cb188 100644
--- a/ld/testsuite/config/default.exp
+++ b/ld/testsuite/config/default.exp
@@ -328,3 +328,40 @@ if { ![info exists NOPIE_CFLAGS] || ![info exists NOPIE_LDFLAGS] } then {
set NOPIE_LDFLAGS ""
}
}
+
+# Set GNU2_CFLAGS to "-mtls-dialect=gnu2" if target compiler supports it.
+
+if { ![info exists GNU2_CFLAGS] } then {
+ if { [which $CC] != 0 } {
+ # Check if gcc supports -mtls-dialect=gnu2
+ set flags ""
+ if [board_info [target_info name] exists cflags] {
+ append flags " [board_info [target_info name] cflags]"
+ }
+ if [board_info [target_info name] exists ldflags] {
+ append flags " [board_info [target_info name] ldflags]"
+ }
+
+ set basename "tmpdir/gnu2[pid]"
+ set src ${basename}.c
+ set output ${basename}.o
+ set f [open $src "w"]
+ puts $f "__thread int yyy = 100;"
+ close $f
+ if [is_remote host] {
+ set src [remote_download host $src]
+ }
+ set gnu2_available [run_host_cmd_yesno "$CC" "$flags -c -mtls-dialect=gnu2 $src -o $output"]
+ remote_file host delete $src
+ remote_file host delete $output
+ file delete $src
+
+ if { $gnu2_available == 1 } then {
+ set GNU2_CFLAGS "-mtls-dialect=gnu2"
+ } else {
+ set GNU2_CFLAGS ""
+ }
+ } else {
+ set GNU2_CFLAGS ""
+ }
+}
diff --git a/ld/testsuite/ld-i386/tls.exp b/ld/testsuite/ld-i386/tls.exp
index 4430821..504b0f6 100644
--- a/ld/testsuite/ld-i386/tls.exp
+++ b/ld/testsuite/ld-i386/tls.exp
@@ -176,3 +176,61 @@ run_ld_link_exec_tests [list \
"pass.out" \
] \
]
+
+run_cc_link_tests [list \
+ [list \
+ "Build libtlsdesc1.so" \
+ "-shared" \
+ "-fPIC $GNU2_CFLAGS" \
+ { tlsdesc1b.c } \
+ {} \
+ "libtlsdesc1.so" \
+ ] \
+ [list \
+ "Build libtlsdesc1n.so" \
+ "-Wl,-z,now -shared" \
+ "-fPIC $GNU2_CFLAGS" \
+ { tlsdesc1b.c } \
+ {} \
+ "libtlsdesc1n.so" \
+ ] \
+]
+
+run_ld_link_exec_tests [list \
+ [list \
+ "Run tlsdesc1" \
+ "-Wl,--no-as-needed tmpdir/libtlsdesc1.so" \
+ "" \
+ { tlsdesc1a.c } \
+ "tlsdesc1a" \
+ "pass.out" \
+ "$GNU2_CFLAGS" \
+ ] \
+ [list \
+ "Run tlsdesc1 (-z now)" \
+ "-Wl,-z,now -Wl,--no-as-needed tmpdir/libtlsdesc1n.so" \
+ "" \
+ { tlsdesc1a.c } \
+ "tlsdesc1b" \
+ "pass.out" \
+ "$GNU2_CFLAGS" \
+ ] \
+ [list \
+ "Run tlsdesc1 with PIE" \
+ "-pie -Wl,--no-as-needed tmpdir/libtlsdesc1.so" \
+ "" \
+ { tlsdesc1a.c } \
+ "tlsdesc1c" \
+ "pass.out" \
+ "-fPIE $GNU2_CFLAGS" \
+ ] \
+ [list \
+ "Run tlsdesc1 with PIE (-z now)" \
+ "-pie -Wl,-z,now -Wl,--no-as-needed tmpdir/libtlsdesc1n.so" \
+ "" \
+ { tlsdesc1a.c } \
+ "tlsdesc1d" \
+ "pass.out" \
+ "-fPIE $GNU2_CFLAGS" \
+ ] \
+]
diff --git a/ld/testsuite/ld-i386/tlsdesc1a.c b/ld/testsuite/ld-i386/tlsdesc1a.c
new file mode 100644
index 0000000..7d2f4f6
--- /dev/null
+++ b/ld/testsuite/ld-i386/tlsdesc1a.c
@@ -0,0 +1,19 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+extern int foo (void);
+
+extern __thread int yyy;
+
+__thread int zzz = 20;
+
+int
+main (void)
+{
+ if (foo () != zzz)
+ abort ();
+ if (yyy != 100)
+ abort ();
+ printf ("PASS\n");
+ return 0;
+}
diff --git a/ld/testsuite/ld-i386/tlsdesc1b.c b/ld/testsuite/ld-i386/tlsdesc1b.c
new file mode 100644
index 0000000..fe428af
--- /dev/null
+++ b/ld/testsuite/ld-i386/tlsdesc1b.c
@@ -0,0 +1,8 @@
+__thread int yyy = 100;
+extern __thread int zzz;
+
+int
+foo (void)
+{
+ return zzz;
+}
diff --git a/ld/testsuite/ld-x86-64/tls.exp b/ld/testsuite/ld-x86-64/tls.exp
index e578645..6b4852b 100644
--- a/ld/testsuite/ld-x86-64/tls.exp
+++ b/ld/testsuite/ld-x86-64/tls.exp
@@ -176,3 +176,66 @@ run_ld_link_exec_tests [list \
"pass.out" \
] \
]
+
+# -mtls-dialect=gnu2 isn't supported on x32.
+if [istarget "x86_64-*-linux*-gnux32"] {
+ return
+}
+
+run_cc_link_tests [list \
+ [list \
+ "Build libtlsdesc1.so" \
+ "-shared" \
+ "-fPIC $GNU2_CFLAGS" \
+ { tlsdesc1b.c } \
+ {} \
+ "libtlsdesc1.so" \
+ ] \
+ [list \
+ "Build libtlsdesc1n.so" \
+ "-Wl,-z,now -shared" \
+ "-fPIC $GNU2_CFLAGS" \
+ { tlsdesc1b.c } \
+ {} \
+ "libtlsdesc1n.so" \
+ ] \
+]
+
+run_ld_link_exec_tests [list \
+ [list \
+ "Run tlsdesc1" \
+ "-Wl,--no-as-needed tmpdir/libtlsdesc1.so" \
+ "" \
+ { tlsdesc1a.c } \
+ "tlsdesc1a" \
+ "pass.out" \
+ "$GNU2_CFLAGS" \
+ ] \
+ [list \
+ "Run tlsdesc1 (-z now)" \
+ "-Wl,-z,now -Wl,--no-as-needed tmpdir/libtlsdesc1n.so" \
+ "" \
+ { tlsdesc1a.c } \
+ "tlsdesc1b" \
+ "pass.out" \
+ "$GNU2_CFLAGS" \
+ ] \
+ [list \
+ "Run tlsdesc1 with PIE" \
+ "-pie -Wl,--no-as-needed tmpdir/libtlsdesc1.so" \
+ "" \
+ { tlsdesc1a.c } \
+ "tlsdesc1c" \
+ "pass.out" \
+ "-fPIE $GNU2_CFLAGS" \
+ ] \
+ [list \
+ "Run tlsdesc1 with PIE (-z now)" \
+ "-pie -Wl,-z,now -Wl,--no-as-needed tmpdir/libtlsdesc1n.so" \
+ "" \
+ { tlsdesc1a.c } \
+ "tlsdesc1d" \
+ "pass.out" \
+ "-fPIE $GNU2_CFLAGS" \
+ ] \
+]
diff --git a/ld/testsuite/ld-x86-64/tlsdesc1a.c b/ld/testsuite/ld-x86-64/tlsdesc1a.c
new file mode 100644
index 0000000..7d2f4f6
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/tlsdesc1a.c
@@ -0,0 +1,19 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+extern int foo (void);
+
+extern __thread int yyy;
+
+__thread int zzz = 20;
+
+int
+main (void)
+{
+ if (foo () != zzz)
+ abort ();
+ if (yyy != 100)
+ abort ();
+ printf ("PASS\n");
+ return 0;
+}
diff --git a/ld/testsuite/ld-x86-64/tlsdesc1b.c b/ld/testsuite/ld-x86-64/tlsdesc1b.c
new file mode 100644
index 0000000..fe428af
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/tlsdesc1b.c
@@ -0,0 +1,8 @@
+__thread int yyy = 100;
+extern __thread int zzz;
+
+int
+foo (void)
+{
+ return zzz;
+}