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-rw-r--r--REORG.TODO/setjmp/Makefile37
-rw-r--r--REORG.TODO/setjmp/Versions16
-rw-r--r--REORG.TODO/setjmp/__longjmp.c34
-rw-r--r--REORG.TODO/setjmp/bits/setjmp2.h40
-rw-r--r--REORG.TODO/setjmp/bsd-_setjmp.c34
-rw-r--r--REORG.TODO/setjmp/bsd-setjmp.c33
-rw-r--r--REORG.TODO/setjmp/bug269-setjmp.c106
-rw-r--r--REORG.TODO/setjmp/jmp-unwind.c28
-rw-r--r--REORG.TODO/setjmp/jmpbug.c41
-rw-r--r--REORG.TODO/setjmp/longjmp.c47
-rw-r--r--REORG.TODO/setjmp/setjmp.c35
-rw-r--r--REORG.TODO/setjmp/setjmp.h105
-rw-r--r--REORG.TODO/setjmp/sigjmp.c34
-rw-r--r--REORG.TODO/setjmp/tst-setjmp-fp.c105
-rw-r--r--REORG.TODO/setjmp/tst-setjmp-static.c1
-rw-r--r--REORG.TODO/setjmp/tst-setjmp.c120
-rw-r--r--REORG.TODO/setjmp/tst-sigsetjmp.c44
17 files changed, 860 insertions, 0 deletions
diff --git a/REORG.TODO/setjmp/Makefile b/REORG.TODO/setjmp/Makefile
new file mode 100644
index 0000000000..ca80b8ea13
--- /dev/null
+++ b/REORG.TODO/setjmp/Makefile
@@ -0,0 +1,37 @@
+# Copyright (C) 1991-2017 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+
+# 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/>.
+
+#
+# Makefile for setjmp/longjmp routines
+#
+subdir := setjmp
+
+include ../Makeconfig
+
+headers := setjmp.h bits/setjmp.h bits/setjmp2.h
+
+routines := setjmp sigjmp bsd-setjmp bsd-_setjmp \
+ longjmp __longjmp jmp-unwind
+
+tests := tst-setjmp jmpbug bug269-setjmp tst-setjmp-fp \
+ tst-sigsetjmp tst-setjmp-static
+tests-static := tst-setjmp-static
+
+
+include ../Rules
+
+$(objpfx)tst-setjmp-fp: $(libm)
diff --git a/REORG.TODO/setjmp/Versions b/REORG.TODO/setjmp/Versions
new file mode 100644
index 0000000000..2baa49ae8a
--- /dev/null
+++ b/REORG.TODO/setjmp/Versions
@@ -0,0 +1,16 @@
+libc {
+ GLIBC_2.0 {
+ # functions with special/multiple interfaces
+ _longjmp; __sigsetjmp; _setjmp;
+
+ # l*
+ longjmp;
+
+ # s*
+ setjmp;
+ }
+ GLIBC_PRIVATE {
+ # helper functions
+ __libc_longjmp; __libc_siglongjmp;
+ }
+}
diff --git a/REORG.TODO/setjmp/__longjmp.c b/REORG.TODO/setjmp/__longjmp.c
new file mode 100644
index 0000000000..72b27b6aa3
--- /dev/null
+++ b/REORG.TODO/setjmp/__longjmp.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <errno.h>
+#include <setjmp.h>
+
+
+/* Jump to the position specified by ENV, causing the
+ setjmp call there to return VAL, or 1 if VAL is 0. */
+void
+__longjmp (__jmp_buf env, int val)
+{
+ if (val == 0)
+ val = 1;
+
+ __set_errno (ENOSYS);
+ /* No way to signal failure. */
+}
+
+stub_warning (longjmp)
diff --git a/REORG.TODO/setjmp/bits/setjmp2.h b/REORG.TODO/setjmp/bits/setjmp2.h
new file mode 100644
index 0000000000..83dc006774
--- /dev/null
+++ b/REORG.TODO/setjmp/bits/setjmp2.h
@@ -0,0 +1,40 @@
+/* Checking macros for setjmp functions.
+ Copyright (C) 2009-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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/>. */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp2.h> directly; use <setjmp.h> instead."
+#endif
+
+/* Variant of the longjmp functions which perform some sanity checking. */
+#ifdef __REDIRECT_NTH
+extern void __REDIRECT_NTHNL (longjmp,
+ (struct __jmp_buf_tag __env[1], int __val),
+ __longjmp_chk) __attribute__ ((__noreturn__));
+extern void __REDIRECT_NTHNL (_longjmp,
+ (struct __jmp_buf_tag __env[1], int __val),
+ __longjmp_chk) __attribute__ ((__noreturn__));
+extern void __REDIRECT_NTHNL (siglongjmp,
+ (struct __jmp_buf_tag __env[1], int __val),
+ __longjmp_chk) __attribute__ ((__noreturn__));
+#else
+extern void __longjmp_chk (struct __jmp_buf_tag __env[1], int __val),
+ __THROWNL __attribute__ ((__noreturn__));
+# define longjmp __longjmp_chk
+# define _longjmp __longjmp_chk
+# define siglongjmp __longjmp_chk
+#endif
diff --git a/REORG.TODO/setjmp/bsd-_setjmp.c b/REORG.TODO/setjmp/bsd-_setjmp.c
new file mode 100644
index 0000000000..cf5963cf49
--- /dev/null
+++ b/REORG.TODO/setjmp/bsd-_setjmp.c
@@ -0,0 +1,34 @@
+/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. Stub version.
+ Copyright (C) 1994-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <sysdep.h>
+#include <setjmp.h>
+
+#undef _setjmp
+
+/* This implementation in C will not usually work, because the call
+ really needs to be a tail-call so __sigsetjmp saves the state of
+ the caller, not the state of this `setjmp' frame which then
+ immediate unwinds. */
+
+int
+_setjmp (jmp_buf env)
+{
+ return __sigsetjmp (env, 0);
+}
+libc_hidden_def (_setjmp)
diff --git a/REORG.TODO/setjmp/bsd-setjmp.c b/REORG.TODO/setjmp/bsd-setjmp.c
new file mode 100644
index 0000000000..e2a6e51602
--- /dev/null
+++ b/REORG.TODO/setjmp/bsd-setjmp.c
@@ -0,0 +1,33 @@
+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. Stub version.
+ Copyright (C) 1994-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <sysdep.h>
+#include <setjmp.h>
+
+#undef setjmp
+
+/* This implementation in C will not usually work, because the call
+ really needs to be a tail-call so __sigsetjmp saves the state of
+ the caller, not the state of this `setjmp' frame which then
+ immediate unwinds. */
+
+int
+setjmp (jmp_buf env)
+{
+ return __sigsetjmp (env, 1);
+}
diff --git a/REORG.TODO/setjmp/bug269-setjmp.c b/REORG.TODO/setjmp/bug269-setjmp.c
new file mode 100644
index 0000000000..3d1a73776c
--- /dev/null
+++ b/REORG.TODO/setjmp/bug269-setjmp.c
@@ -0,0 +1,106 @@
+/* Copyright (C) 2004-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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/>. */
+
+/* Test case for Bugzilla # 269 */
+
+#include <stdio.h>
+#include <setjmp.h>
+#include <stdlib.h>
+
+jmp_buf buf1;
+jmp_buf buf2;
+int *p;
+int n_x = 6;
+
+static int g_counter = 0;
+
+int
+f (void)
+{
+ static int counter = 0;
+ static int way_point1 = 3;
+ static int way_point2 = 2;
+ int lose = 0;
+
+ if (setjmp (buf1) != 101)
+ {
+ int a[n_x]; /* reallocate stack space */
+ g_counter++;
+ p = &a[0];
+ if (g_counter < 5)
+ longjmp (buf1, 2);
+ else if (g_counter == 5)
+ longjmp (buf1, 101);
+ else
+ {
+ _setjmp (buf2);
+ _longjmp (buf1, 101);
+ }
+ }
+
+ way_point1--;
+
+ if (counter == 0)
+ {
+ counter++;
+ {
+ int a[n_x]; /* reallocate stack space */
+ g_counter++;
+ p = &a[0];
+ if (g_counter < 5)
+ longjmp (buf1, 2);
+ else if (g_counter == 5)
+ longjmp (buf1, 101);
+ else
+ {
+ _setjmp (buf2);
+ _longjmp (buf1, 101);
+ }
+ }
+ }
+
+ way_point2--;
+
+ if (counter == 1)
+ {
+ counter++;
+ longjmp (buf2, 2);
+ }
+
+ lose = !(way_point1 == 0 && way_point2 == 0
+ && g_counter == 6 && counter == 2);
+
+ return lose;
+}
+
+static int
+do_test (void)
+{
+ int lose;
+
+ lose = f ();
+
+ if (lose)
+ puts ("Test FAILED!");
+ else
+ puts ("Test succeeded!");
+
+ return lose ? EXIT_FAILURE : EXIT_SUCCESS;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/REORG.TODO/setjmp/jmp-unwind.c b/REORG.TODO/setjmp/jmp-unwind.c
new file mode 100644
index 0000000000..a43db84b9d
--- /dev/null
+++ b/REORG.TODO/setjmp/jmp-unwind.c
@@ -0,0 +1,28 @@
+/* _longjmp_unwind -- Clean up stack frames unwound by longjmp. Stub version.
+ Copyright (C) 1995-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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>
+
+void
+_longjmp_unwind (jmp_buf env, int val)
+{
+
+ /* This function can perform any cleanups necessary to safely unwind the
+ stack frames around the current context which ENV unwinds past. */
+
+}
diff --git a/REORG.TODO/setjmp/jmpbug.c b/REORG.TODO/setjmp/jmpbug.c
new file mode 100644
index 0000000000..8594c5a8a7
--- /dev/null
+++ b/REORG.TODO/setjmp/jmpbug.c
@@ -0,0 +1,41 @@
+/* setjmp vs alloca test case. Exercised bug on sparc. */
+
+#include <stdio.h>
+#include <setjmp.h>
+#include <alloca.h>
+
+static void
+sub5 (jmp_buf buf)
+{
+ longjmp (buf, 1);
+}
+
+static void
+test (int x)
+{
+ jmp_buf buf;
+ char *volatile foo;
+ int arr[100];
+
+ arr[77] = x;
+ if (setjmp (buf))
+ {
+ printf ("made it ok; %d\n", arr[77]);
+ return;
+ }
+
+ foo = (char *) alloca (128);
+ (void) foo;
+ sub5 (buf);
+}
+
+int
+main (void)
+{
+ int i;
+
+ for (i = 123; i < 345; ++i)
+ test (i);
+
+ return 0;
+}
diff --git a/REORG.TODO/setjmp/longjmp.c b/REORG.TODO/setjmp/longjmp.c
new file mode 100644
index 0000000000..2453c2c124
--- /dev/null
+++ b/REORG.TODO/setjmp/longjmp.c
@@ -0,0 +1,47 @@
+/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <stddef.h>
+#include <setjmp.h>
+#include <signal.h>
+
+
+/* Set the signal mask to the one specified in ENV, and jump
+ to the position specified in ENV, causing the setjmp
+ call there to return VAL, or 1 if VAL is 0. */
+void
+__libc_siglongjmp (sigjmp_buf env, int val)
+{
+ /* Perform any cleanups needed by the frames being unwound. */
+ _longjmp_unwind (env, val);
+
+ if (env[0].__mask_was_saved)
+ /* Restore the saved signal mask. */
+ (void) __sigprocmask (SIG_SETMASK, &env[0].__saved_mask,
+ (sigset_t *) NULL);
+
+ /* Call the machine-dependent function to restore machine state. */
+ __longjmp (env[0].__jmpbuf, val ?: 1);
+}
+
+#ifndef __libc_siglongjmp
+strong_alias (__libc_siglongjmp, __libc_longjmp)
+libc_hidden_def (__libc_longjmp)
+weak_alias (__libc_siglongjmp, _longjmp)
+weak_alias (__libc_siglongjmp, longjmp)
+weak_alias (__libc_siglongjmp, siglongjmp)
+#endif
diff --git a/REORG.TODO/setjmp/setjmp.c b/REORG.TODO/setjmp/setjmp.c
new file mode 100644
index 0000000000..375e10f375
--- /dev/null
+++ b/REORG.TODO/setjmp/setjmp.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <errno.h>
+#include <setjmp.h>
+
+
+/* Save the current program position in ENV and return 0. */
+int
+__libc_sigsetjmp (jmp_buf env, int savemask)
+{
+ /* Save the signal mask if requested. */
+ __sigjmp_save (env, savemask);
+
+ __set_errno (ENOSYS);
+ /* No way to signal failure. */
+ return 0;
+}
+
+weak_alias (__libc_sigsetjmp, __sigsetjmp)
+stub_warning (__sigsetjmp)
diff --git a/REORG.TODO/setjmp/setjmp.h b/REORG.TODO/setjmp/setjmp.h
new file mode 100644
index 0000000000..86fb2edf6c
--- /dev/null
+++ b/REORG.TODO/setjmp/setjmp.h
@@ -0,0 +1,105 @@
+/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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/>. */
+
+/*
+ * ISO C99 Standard: 7.13 Nonlocal jumps <setjmp.h>
+ */
+
+#ifndef _SETJMP_H
+#define _SETJMP_H 1
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+#include <bits/setjmp.h> /* Get `__jmp_buf'. */
+#include <bits/types/__sigset_t.h>
+
+/* Calling environment, plus possibly a saved signal mask. */
+struct __jmp_buf_tag
+ {
+ /* NOTE: The machine-dependent definitions of `__sigsetjmp'
+ assume that a `jmp_buf' begins with a `__jmp_buf' and that
+ `__mask_was_saved' follows it. Do not move these members
+ or add others before it. */
+ __jmp_buf __jmpbuf; /* Calling environment. */
+ int __mask_was_saved; /* Saved the signal mask? */
+ __sigset_t __saved_mask; /* Saved signal mask. */
+ };
+
+
+typedef struct __jmp_buf_tag jmp_buf[1];
+
+/* Store the calling environment in ENV, also saving the signal mask.
+ Return 0. */
+extern int setjmp (jmp_buf __env) __THROWNL;
+
+/* Store the calling environment in ENV, also saving the
+ signal mask if SAVEMASK is nonzero. Return 0.
+ This is the internal name for `sigsetjmp'. */
+extern int __sigsetjmp (struct __jmp_buf_tag __env[1], int __savemask) __THROWNL;
+
+/* Store the calling environment in ENV, not saving the signal mask.
+ Return 0. */
+extern int _setjmp (struct __jmp_buf_tag __env[1]) __THROWNL;
+
+/* Do not save the signal mask. This is equivalent to the `_setjmp'
+ BSD function. */
+#define setjmp(env) _setjmp (env)
+
+
+/* Jump to the environment saved in ENV, making the
+ `setjmp' call there return VAL, or 1 if VAL is 0. */
+extern void longjmp (struct __jmp_buf_tag __env[1], int __val)
+ __THROWNL __attribute__ ((__noreturn__));
+
+#if defined __USE_MISC || defined __USE_XOPEN
+/* Same. Usually `_longjmp' is used with `_setjmp', which does not save
+ the signal mask. But it is how ENV was saved that determines whether
+ `longjmp' restores the mask; `_longjmp' is just an alias. */
+extern void _longjmp (struct __jmp_buf_tag __env[1], int __val)
+ __THROWNL __attribute__ ((__noreturn__));
+#endif
+
+
+#ifdef __USE_POSIX
+/* Use the same type for `jmp_buf' and `sigjmp_buf'.
+ The `__mask_was_saved' flag determines whether
+ or not `longjmp' will restore the signal mask. */
+typedef struct __jmp_buf_tag sigjmp_buf[1];
+
+/* Store the calling environment in ENV, also saving the
+ signal mask if SAVEMASK is nonzero. Return 0. */
+# define sigsetjmp(env, savemask) __sigsetjmp (env, savemask)
+
+/* Jump to the environment saved in ENV, making the
+ sigsetjmp call there return VAL, or 1 if VAL is 0.
+ Restore the signal mask if that sigsetjmp call saved it.
+ This is just an alias `longjmp'. */
+extern void siglongjmp (sigjmp_buf __env, int __val)
+ __THROWNL __attribute__ ((__noreturn__));
+#endif /* Use POSIX. */
+
+
+/* Define helper functions to catch unsafe code. */
+#if __USE_FORTIFY_LEVEL > 0
+# include <bits/setjmp2.h>
+#endif
+
+__END_DECLS
+
+#endif /* setjmp.h */
diff --git a/REORG.TODO/setjmp/sigjmp.c b/REORG.TODO/setjmp/sigjmp.c
new file mode 100644
index 0000000000..30839ae819
--- /dev/null
+++ b/REORG.TODO/setjmp/sigjmp.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1992-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <stddef.h>
+#include <setjmp.h>
+#include <signal.h>
+
+/* This function is called by the `sigsetjmp' macro
+ before doing a `__setjmp' on ENV[0].__jmpbuf.
+ Always return zero. */
+
+int
+__sigjmp_save (sigjmp_buf env, int savemask)
+{
+ env[0].__mask_was_saved = (savemask &&
+ __sigprocmask (SIG_BLOCK, (sigset_t *) NULL,
+ &env[0].__saved_mask) == 0);
+
+ return 0;
+}
diff --git a/REORG.TODO/setjmp/tst-setjmp-fp.c b/REORG.TODO/setjmp/tst-setjmp-fp.c
new file mode 100644
index 0000000000..99a9cbb5a3
--- /dev/null
+++ b/REORG.TODO/setjmp/tst-setjmp-fp.c
@@ -0,0 +1,105 @@
+/* Test that setjmp/longjmp do not save and restore floating-point
+ exceptions and rounding modes.
+ Copyright (C) 2013-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <fenv.h>
+#include <setjmp.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static jmp_buf __attribute__ ((unused)) env;
+static int result = 0;
+
+#if defined FE_TONEAREST && defined FE_TOWARDZERO
+static int expected_rounding_mode = FE_TONEAREST;
+
+static void
+change_rounding_mode (void)
+{
+ if (fesetround (FE_TOWARDZERO) == 0)
+ expected_rounding_mode = FE_TOWARDZERO;
+ else
+ puts ("fesetround (FE_TOWARDZERO) failed, continuing test");
+ longjmp (env, 1);
+}
+#endif
+
+#ifdef FE_INVALID
+static int expected_exceptions = 0;
+
+static void
+raise_exception (void)
+{
+ if (feraiseexcept (FE_INVALID) == 0)
+ expected_exceptions = FE_INVALID;
+ else
+ puts ("feraiseexcept (FE_INVALID) failed, continuing test");
+ longjmp (env, 1);
+}
+#endif
+
+static int
+do_test (void)
+{
+#if defined FE_TONEAREST && defined FE_TOWARDZERO
+ if (fesetround (FE_TONEAREST) == 0)
+ {
+ if (setjmp (env) == 0)
+ change_rounding_mode ();
+ else
+ {
+ if (fegetround () == expected_rounding_mode)
+ puts ("PASS: longjmp preserved rounding mode");
+ else
+ {
+ puts ("FAIL: longjmp changed rounding mode");
+ result = 1;
+ }
+ }
+ }
+ else
+ puts ("fesetround (FE_TONEAREST) failed, not testing rounding modes");
+#else
+ puts ("rounding mode test not supported");
+#endif
+#ifdef FE_INVALID
+ if (feclearexcept (FE_ALL_EXCEPT) == 0)
+ {
+ if (setjmp (env) == 0)
+ raise_exception ();
+ else
+ {
+ if (fetestexcept (FE_INVALID) == expected_exceptions)
+ puts ("PASS: longjmp preserved exceptions");
+ else
+ {
+ puts ("FAIL: longjmp changed exceptions");
+ result = 1;
+ }
+ }
+ }
+ else
+ puts ("feclearexcept (FE_ALL_EXCEPT) failed, not testing exceptions");
+#else
+ puts ("exception test not supported");
+#endif
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/REORG.TODO/setjmp/tst-setjmp-static.c b/REORG.TODO/setjmp/tst-setjmp-static.c
new file mode 100644
index 0000000000..5ca5df8cb4
--- /dev/null
+++ b/REORG.TODO/setjmp/tst-setjmp-static.c
@@ -0,0 +1 @@
+#include "tst-setjmp.c"
diff --git a/REORG.TODO/setjmp/tst-setjmp.c b/REORG.TODO/setjmp/tst-setjmp.c
new file mode 100644
index 0000000000..2661f21a64
--- /dev/null
+++ b/REORG.TODO/setjmp/tst-setjmp.c
@@ -0,0 +1,120 @@
+/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <stdio.h>
+#include <setjmp.h>
+#include <stdlib.h>
+
+static jmp_buf env;
+static int last_value = -1, lose = 0;
+
+static void
+jump (int val)
+{
+ longjmp (env, val);
+}
+
+static int
+do_test (void)
+{
+ int value;
+
+ value = setjmp (env);
+ if (value != last_value + 1)
+ {
+ fputs("Shouldn't have ", stdout);
+ lose = 1;
+ }
+ last_value = value;
+ switch (value)
+ {
+ case 0:
+ puts("Saved environment.");
+ jump (0);
+ default:
+ printf ("Jumped to %d.\n", value);
+ if (value < 10)
+ jump (value + 1);
+ }
+
+ if (!lose && value == 10)
+ {
+ /* Do a second test, this time without `setjmp' being a macro.
+ This is not required by ISO C but we have this for compatibility. */
+#undef setjmp
+ extern int setjmp (jmp_buf);
+
+ last_value = -1;
+ lose = 0;
+
+ value = setjmp (env);
+ if (value != last_value + 1)
+ {
+ fputs("Shouldn't have ", stdout);
+ lose = 1;
+ }
+ last_value = value;
+ switch (value)
+ {
+ case 0:
+ puts("Saved environment.");
+ jump (0);
+ default:
+ printf ("Jumped to %d.\n", value);
+ if (value < 10)
+ jump (value + 1);
+ }
+ }
+
+ if (!lose && value == 10)
+ {
+ /* And again for the `_setjmp' function. */
+#ifndef _setjmp
+ extern int _setjmp (jmp_buf);
+#endif
+ last_value = -1;
+ lose = 0;
+
+ value = _setjmp (env);
+ if (value != last_value + 1)
+ {
+ fputs("Shouldn't have ", stdout);
+ lose = 1;
+ }
+ last_value = value;
+ switch (value)
+ {
+ case 0:
+ puts("Saved environment.");
+ jump (0);
+ default:
+ printf ("Jumped to %d.\n", value);
+ if (value < 10)
+ jump (value + 1);
+ }
+ }
+
+ if (lose || value != 10)
+ puts ("Test FAILED!");
+ else
+ puts ("Test succeeded!");
+
+ return lose ? EXIT_FAILURE : EXIT_SUCCESS;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/REORG.TODO/setjmp/tst-sigsetjmp.c b/REORG.TODO/setjmp/tst-sigsetjmp.c
new file mode 100644
index 0000000000..6c6cdf4fca
--- /dev/null
+++ b/REORG.TODO/setjmp/tst-sigsetjmp.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 2013-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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/>. */
+
+/* Test case for BZ #15493 */
+
+#include <stdlib.h>
+#include <signal.h>
+#include <setjmp.h>
+
+static int
+do_test (void)
+{
+ sigjmp_buf sj;
+ sigset_t m;
+
+ sigemptyset (&m);
+ sigprocmask (SIG_SETMASK, &m, NULL);
+ if (sigsetjmp (sj, 0) == 0)
+ {
+ sigaddset (&m, SIGUSR1);
+ sigprocmask (SIG_SETMASK, &m, NULL);
+ siglongjmp (sj, 1);
+ return EXIT_FAILURE;
+ }
+ sigprocmask (SIG_SETMASK, NULL, &m);
+ return sigismember (&m, SIGUSR1) ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
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