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92 lines
2.9 KiB
92 lines
2.9 KiB
7 years ago
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commit e39adf43c7d1979884dd304ed1250baf1f78fadc
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Author: Andreas Schwab <schwab@suse.de>
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Date: Mon May 20 10:19:31 2013 +0200
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AArch64: Don't clobber argument for tail call to __sigjmp_save in sigsetjmp
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diff --git glibc-2.17-c758a686/ports/sysdeps/aarch64/setjmp.S glibc-2.17-c758a686/ports/sysdeps/aarch64/setjmp.S
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index cff81c7..10e0709 100644
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--- glibc-2.17-c758a686/ports/sysdeps/aarch64/setjmp.S
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+++ glibc-2.17-c758a686/ports/sysdeps/aarch64/setjmp.S
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@@ -44,8 +44,14 @@ ENTRY (__sigsetjmp)
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stp d10, d11, [x0, #JB_D10<<3]
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stp d12, d13, [x0, #JB_D12<<3]
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stp d14, d15, [x0, #JB_D14<<3]
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- mov x1, sp
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- str x1, [x0, #JB_SP<<3]
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+ mov x2, sp
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+ str x2, [x0, #JB_SP<<3]
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+#if defined NOT_IN_libc && defined IS_IN_rtld
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+ /* In ld.so we never save the signal mask */
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+ mov w0, #0
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+ RET
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+#else
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b C_SYMBOL_NAME(__sigjmp_save)
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+#endif
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END (__sigsetjmp)
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hidden_def (__sigsetjmp)
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diff --git glibc-2.17-c758a686/setjmp/Makefile glibc-2.17-c758a686/setjmp/Makefile
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index 6124333..913359c 100644
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--- glibc-2.17-c758a686/setjmp/Makefile
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+++ glibc-2.17-c758a686/setjmp/Makefile
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@@ -25,7 +25,8 @@ headers := setjmp.h bits/setjmp.h bits/setjmp2.h
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routines := setjmp sigjmp bsd-setjmp bsd-_setjmp \
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longjmp __longjmp jmp-unwind
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-tests := tst-setjmp jmpbug bug269-setjmp
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+tests := tst-setjmp jmpbug bug269-setjmp \
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+ tst-sigsetjmp
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include ../Rules
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diff --git glibc-2.17-c758a686/setjmp/tst-sigsetjmp.c glibc-2.17-c758a686/setjmp/tst-sigsetjmp.c
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new file mode 100644
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index 0000000..467c26a
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--- /dev/null
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+++ glibc-2.17-c758a686/setjmp/tst-sigsetjmp.c
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@@ -0,0 +1,44 @@
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+/* Copyright (C) 2013 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+/* Test case for BZ #15493 */
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+
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+#include <stdlib.h>
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+#include <signal.h>
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+#include <setjmp.h>
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+
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+static int
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+do_test (void)
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+{
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+ sigjmp_buf sj;
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+ sigset_t m;
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+
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+ sigemptyset (&m);
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+ sigprocmask (SIG_SETMASK, &m, NULL);
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+ if (sigsetjmp (sj, 0) == 0)
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+ {
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+ sigaddset (&m, SIGUSR1);
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+ sigprocmask (SIG_SETMASK, &m, NULL);
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+ siglongjmp (sj, 1);
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+ return EXIT_FAILURE;
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+ }
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+ sigprocmask (SIG_SETMASK, NULL, &m);
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+ return sigismember (&m, SIGUSR1) ? EXIT_SUCCESS : EXIT_FAILURE;
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+}
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+
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+#define TEST_FUNCTION do_test ()
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+#include "../test-skeleton.c"
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