From 0078a92e395d3e351c0ff23536781b58a800131e Mon Sep 17 00:00:00 2001 From: "Peter S. Mazinger" Date: Sun, 13 Mar 2011 20:56:54 +0100 Subject: add jmpbuf-offsets.h and jmpbuf-unwind.h for all archs (LT related) Signed-off-by: Peter S. Mazinger Signed-off-by: Bernhard Reutner-Fischer --- libc/sysdeps/linux/powerpc/jmpbuf-offsets.h | 41 +++++++++++++++++++++++++++++ libc/sysdeps/linux/powerpc/jmpbuf-unwind.h | 12 +++++++++ 2 files changed, 53 insertions(+) create mode 100644 libc/sysdeps/linux/powerpc/jmpbuf-offsets.h create mode 100644 libc/sysdeps/linux/powerpc/jmpbuf-unwind.h (limited to 'libc/sysdeps/linux/powerpc') diff --git a/libc/sysdeps/linux/powerpc/jmpbuf-offsets.h b/libc/sysdeps/linux/powerpc/jmpbuf-offsets.h new file mode 100644 index 000000000..1b9f766b0 --- /dev/null +++ b/libc/sysdeps/linux/powerpc/jmpbuf-offsets.h @@ -0,0 +1,41 @@ +/* Private macros for accessing __jmp_buf contents. PowerPC version. + Copyright (C) 2006 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., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + +#define JB_GPR1 0 /* Also known as the stack pointer */ +#define JB_GPR2 1 +#define JB_LR 2 /* The address we will return to */ +#if __WORDSIZE == 64 +# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18*2 words total. */ +# define JB_CR 21 /* Condition code registers with the VRSAVE at */ + /* offset 172 (low half of the double word. */ +# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total. */ +# define JB_SIZE (64 * 8) /* As per PPC64-VMX ABI. */ +# define JB_VRSAVE 21 /* VRSAVE shares a double word with the CR at offset */ + /* 168 (high half of the double word). */ +# define JB_VRS 40 /* VRs 20 through 31 are saved, 12*4 words total. */ +#else +# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total. */ +# define JB_CR 21 /* Condition code registers. */ +# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total. */ +# define JB_SIZE ((64 + (12 * 4)) * 4) +# define JB_VRSAVE 62 +# define JB_VRS 64 +#endif diff --git a/libc/sysdeps/linux/powerpc/jmpbuf-unwind.h b/libc/sysdeps/linux/powerpc/jmpbuf-unwind.h new file mode 100644 index 000000000..c6f56042a --- /dev/null +++ b/libc/sysdeps/linux/powerpc/jmpbuf-unwind.h @@ -0,0 +1,12 @@ +/* + * Copyright (C) 2000-2006 Erik Andersen + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ +#include +#include + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((void *) (address) < (void *) (jmpbuf)[JB_GPR1]) -- cgit v1.2.3