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| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h | 54 |
2 files changed, 58 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 07aaa256d3..03c35b1b98 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2013-10-04 Alan Modra <amodra@gmail.com> + * sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h: New file. + +2013-10-04 Alan Modra <amodra@gmail.com> + * sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S: Use conditional form of branch and link when obtaining pc. * sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S: Likewise. diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h b/sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h new file mode 100644 index 0000000000..33be9e8dbb --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h @@ -0,0 +1,54 @@ +/* sigstack, sigaltstack definitions. + Copyright (C) 1998-2013 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 _SIGNAL_H +# error "Never include this file directly. Use <signal.h> instead" +#endif + + +/* Structure describing a signal stack (obsolete). */ +struct sigstack + { + void *ss_sp; /* Signal stack pointer. */ + int ss_onstack; /* Nonzero if executing on this stack. */ + }; + + +/* Possible values for `ss_flags.'. */ +enum +{ + SS_ONSTACK = 1, +#define SS_ONSTACK SS_ONSTACK + SS_DISABLE +#define SS_DISABLE SS_DISABLE +}; + +/* Minimum stack size for a signal handler. */ +#define MINSIGSTKSZ 4096 + +/* System default stack size. */ +#define SIGSTKSZ 16384 + + +/* Alternate, preferred interface. */ +typedef struct sigaltstack + { + void *ss_sp; + int ss_flags; + size_t ss_size; + } stack_t; |