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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.
This commit is contained in:
H.J. Lu
parent
d6f48aed23
commit
1670f9c154
11
ld/ChangeLog
11
ld/ChangeLog
@ -1,3 +1,14 @@
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2017-04-28 H.J. Lu <hongjiu.lu@intel.com>
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* testsuite/config/default.exp (GNU2_CFLAGS): New. Set
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to -mtls-dialect=gnu2 if target compiler supports it.
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* testsuite/ld-i386/tls.exp: Run -mtls-dialect=gnu2 tests.
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* testsuite/ld-x86-64/tls.exp: Likewise.
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* testsuite/ld-i386/tlsdesc1a.c: New file.
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* testsuite/ld-i386/tlsdesc1b.c: Likewise.
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* testsuite/ld-x86-64/tlsdesc1a.c: Likewise.
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* testsuite/ld-x86-64/tlsdesc1b.c: Likewise.
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2017-04-28 H.J. Lu <hongjiu.lu@intel.com>
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* testsuite/ld-elf/shared.exp: Add run-time tests for -z now.
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@ -328,3 +328,40 @@ if { ![info exists NOPIE_CFLAGS] || ![info exists NOPIE_LDFLAGS] } then {
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set NOPIE_LDFLAGS ""
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}
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}
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# Set GNU2_CFLAGS to "-mtls-dialect=gnu2" if target compiler supports it.
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if { ![info exists GNU2_CFLAGS] } then {
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if { [which $CC] != 0 } {
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# Check if gcc supports -mtls-dialect=gnu2
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set flags ""
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if [board_info [target_info name] exists cflags] {
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append flags " [board_info [target_info name] cflags]"
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}
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if [board_info [target_info name] exists ldflags] {
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append flags " [board_info [target_info name] ldflags]"
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}
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set basename "tmpdir/gnu2[pid]"
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set src ${basename}.c
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set output ${basename}.o
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set f [open $src "w"]
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puts $f "__thread int yyy = 100;"
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close $f
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if [is_remote host] {
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set src [remote_download host $src]
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}
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set gnu2_available [run_host_cmd_yesno "$CC" "$flags -c -mtls-dialect=gnu2 $src -o $output"]
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remote_file host delete $src
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remote_file host delete $output
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file delete $src
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if { $gnu2_available == 1 } then {
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set GNU2_CFLAGS "-mtls-dialect=gnu2"
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} else {
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set GNU2_CFLAGS ""
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}
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} else {
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set GNU2_CFLAGS ""
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}
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}
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@ -176,3 +176,61 @@ run_ld_link_exec_tests [list \
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"pass.out" \
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] \
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]
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run_cc_link_tests [list \
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[list \
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"Build libtlsdesc1.so" \
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"-shared" \
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"-fPIC $GNU2_CFLAGS" \
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{ tlsdesc1b.c } \
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{} \
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"libtlsdesc1.so" \
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] \
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[list \
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"Build libtlsdesc1n.so" \
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"-Wl,-z,now -shared" \
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"-fPIC $GNU2_CFLAGS" \
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{ tlsdesc1b.c } \
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{} \
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"libtlsdesc1n.so" \
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] \
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]
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run_ld_link_exec_tests [list \
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[list \
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"Run tlsdesc1" \
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"-Wl,--no-as-needed tmpdir/libtlsdesc1.so" \
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"" \
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{ tlsdesc1a.c } \
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"tlsdesc1a" \
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"pass.out" \
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"$GNU2_CFLAGS" \
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] \
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[list \
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"Run tlsdesc1 (-z now)" \
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"-Wl,-z,now -Wl,--no-as-needed tmpdir/libtlsdesc1n.so" \
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"" \
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{ tlsdesc1a.c } \
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"tlsdesc1b" \
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"pass.out" \
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"$GNU2_CFLAGS" \
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] \
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[list \
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"Run tlsdesc1 with PIE" \
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"-pie -Wl,--no-as-needed tmpdir/libtlsdesc1.so" \
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"" \
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{ tlsdesc1a.c } \
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"tlsdesc1c" \
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"pass.out" \
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"-fPIE $GNU2_CFLAGS" \
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] \
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[list \
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"Run tlsdesc1 with PIE (-z now)" \
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"-pie -Wl,-z,now -Wl,--no-as-needed tmpdir/libtlsdesc1n.so" \
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"" \
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{ tlsdesc1a.c } \
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"tlsdesc1d" \
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"pass.out" \
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"-fPIE $GNU2_CFLAGS" \
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] \
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]
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19
ld/testsuite/ld-i386/tlsdesc1a.c
Normal file
19
ld/testsuite/ld-i386/tlsdesc1a.c
Normal file
@ -0,0 +1,19 @@
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#include <stdlib.h>
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#include <stdio.h>
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extern int foo (void);
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extern __thread int yyy;
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__thread int zzz = 20;
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int
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main (void)
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{
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if (foo () != zzz)
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abort ();
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if (yyy != 100)
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abort ();
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printf ("PASS\n");
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return 0;
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}
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8
ld/testsuite/ld-i386/tlsdesc1b.c
Normal file
8
ld/testsuite/ld-i386/tlsdesc1b.c
Normal file
@ -0,0 +1,8 @@
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__thread int yyy = 100;
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extern __thread int zzz;
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int
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foo (void)
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{
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return zzz;
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}
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@ -176,3 +176,66 @@ run_ld_link_exec_tests [list \
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"pass.out" \
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] \
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]
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# -mtls-dialect=gnu2 isn't supported on x32.
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if [istarget "x86_64-*-linux*-gnux32"] {
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return
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}
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run_cc_link_tests [list \
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[list \
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"Build libtlsdesc1.so" \
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"-shared" \
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"-fPIC $GNU2_CFLAGS" \
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{ tlsdesc1b.c } \
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{} \
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"libtlsdesc1.so" \
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] \
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[list \
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"Build libtlsdesc1n.so" \
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"-Wl,-z,now -shared" \
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"-fPIC $GNU2_CFLAGS" \
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{ tlsdesc1b.c } \
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{} \
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"libtlsdesc1n.so" \
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] \
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]
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run_ld_link_exec_tests [list \
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[list \
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"Run tlsdesc1" \
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"-Wl,--no-as-needed tmpdir/libtlsdesc1.so" \
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"" \
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{ tlsdesc1a.c } \
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"tlsdesc1a" \
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"pass.out" \
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"$GNU2_CFLAGS" \
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] \
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[list \
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"Run tlsdesc1 (-z now)" \
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"-Wl,-z,now -Wl,--no-as-needed tmpdir/libtlsdesc1n.so" \
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"" \
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{ tlsdesc1a.c } \
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"tlsdesc1b" \
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"pass.out" \
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"$GNU2_CFLAGS" \
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] \
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[list \
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"Run tlsdesc1 with PIE" \
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"-pie -Wl,--no-as-needed tmpdir/libtlsdesc1.so" \
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"" \
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{ tlsdesc1a.c } \
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"tlsdesc1c" \
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"pass.out" \
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"-fPIE $GNU2_CFLAGS" \
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] \
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[list \
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"Run tlsdesc1 with PIE (-z now)" \
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"-pie -Wl,-z,now -Wl,--no-as-needed tmpdir/libtlsdesc1n.so" \
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"" \
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{ tlsdesc1a.c } \
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"tlsdesc1d" \
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"pass.out" \
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"-fPIE $GNU2_CFLAGS" \
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] \
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]
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19
ld/testsuite/ld-x86-64/tlsdesc1a.c
Normal file
19
ld/testsuite/ld-x86-64/tlsdesc1a.c
Normal file
@ -0,0 +1,19 @@
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#include <stdlib.h>
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#include <stdio.h>
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extern int foo (void);
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extern __thread int yyy;
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__thread int zzz = 20;
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int
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main (void)
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{
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if (foo () != zzz)
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abort ();
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if (yyy != 100)
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abort ();
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printf ("PASS\n");
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return 0;
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}
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8
ld/testsuite/ld-x86-64/tlsdesc1b.c
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8
ld/testsuite/ld-x86-64/tlsdesc1b.c
Normal file
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__thread int yyy = 100;
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extern __thread int zzz;
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int
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foo (void)
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{
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return zzz;
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}
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