diff options
Diffstat (limited to 'libc/sysdeps/linux/xtensa/bits/sigcontextinfo.h')
| -rw-r--r-- | libc/sysdeps/linux/xtensa/bits/sigcontextinfo.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/xtensa/bits/sigcontextinfo.h b/libc/sysdeps/linux/xtensa/bits/sigcontextinfo.h new file mode 100644 index 000000000..8f3301c9a --- /dev/null +++ b/libc/sysdeps/linux/xtensa/bits/sigcontextinfo.h @@ -0,0 +1,33 @@ +/* Copyright (C) 2003, 2007 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, write to the Free + Software Foundation, Inc., 51 Franklin Street - Fifth Floor, + Boston, MA 02110-1301, USA. */ + +/* Also see register-dump.h, where we spill live registers to the + stack so that we can trace the stack backward. */ + +#define SIGCONTEXT unsigned long _info, ucontext_t * +#define SIGCONTEXT_EXTRA_ARGS _info, + +/* ANDing with 0x3fffffff clears the window-size bits. + Assumes TASK_SIZE = 0x40000000. */ + +#define GET_PC(ctx) ((void *) (ctx->uc_mcontext.sc_pc & 0x3fffffff)) +#define GET_FRAME(ctx) ((void *) ctx->uc_mcontext.sc_a[1]) +#define GET_STACK(ctx) ((void *) ctx->uc_mcontext.sc_a[1]) +#define CALL_SIGHANDLER(handler, signo, ctx) \ + (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx)) + |