[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/nptl/pt-longjmp.c b/ap/libc/glibc/glibc-2.22/nptl/pt-longjmp.c
new file mode 100644
index 0000000..f192461
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/nptl/pt-longjmp.c
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+/* ABI compatibility for 'longjmp' and 'siglongjmp' symbols in libpthread ABI.
+ Copyright (C) 2002-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <setjmp.h>
+#include <shlib-compat.h>
+
+/* libpthread once had its own longjmp (and siglongjmp alias), though there
+ was no apparent reason for it. There is no use in having a separate
+ symbol in libpthread, but the historical ABI requires it. For static
+ linking, there is no need to provide anything here--the libc version
+ will be linked in. For shared library ABI compatibility, there must be
+ longjmp and siglongjmp symbols in libpthread.so; so we define them using
+ IFUNC to redirect to the libc function. */
+
+#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_22)
+
+# if HAVE_IFUNC
+
+static __typeof (longjmp) *
+__attribute__ ((used))
+longjmp_resolve (void)
+{
+ return &__libc_longjmp;
+}
+
+# ifdef HAVE_ASM_SET_DIRECTIVE
+# define DEFINE_LONGJMP(name) \
+ asm (".set " #name ", longjmp_resolve\n" \
+ ".globl " #name "\n" \
+ ".type " #name ", %gnu_indirect_function");
+# else
+# define DEFINE_LONGJMP(name) \
+ asm (#name " = longjmp_resolve\n" \
+ ".globl " #name "\n" \
+ ".type " #name ", %gnu_indirect_function");
+# endif
+
+# else /* !HAVE_IFUNC */
+
+static void __attribute__ ((noreturn, used))
+longjmp_compat (jmp_buf env, int val)
+{
+ __libc_longjmp (env, val);
+}
+
+# define DEFINE_LONGJMP(name) strong_alias (longjmp_compat, name)
+
+# endif /* HAVE_IFUNC */
+
+DEFINE_LONGJMP (longjmp_ifunc)
+compat_symbol (libpthread, longjmp_ifunc, longjmp, GLIBC_2_0);
+
+DEFINE_LONGJMP (siglongjmp_ifunc)
+compat_symbol (libpthread, siglongjmp_ifunc, siglongjmp, GLIBC_2_0);
+
+#endif