From 5ad77144942c0ea0a3f3c71d4ddccdf91e64771c Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 30 Dec 2005 21:04:04 +0000 Subject: * sysdeps/powerpc/powerpc64/setjmp-common.S: Make sure pointer guard value doesn't survive in a registers when the function returns. * sysdeps/powerpc/powerpc32/fpu/setjmp-common.S: Likewise. * sysdeps/powerpc/powerpc32/setjmp-common.S: Likewise. 2005-12-30 Jakub Jelinek * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Define PTR_MANGLE2. * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Define PTR_MANGLE2 and PTR_DEMANGLE2. * sysdeps/powerpc/powerpc64/__longjmp-common.S: Use PTR_DEMANGLE2. * sysdeps/powerpc/powerpc64/setjmp-common.S: Use PTR_MANGLE2. * sysdeps/powerpc/powerpc32/fpu/setjmp-common.S: Likewise. * sysdeps/powerpc/powerpc32/setjmp-common.S: Likewise. 2005-12-30 Ulrich Drepper --- sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h') diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h index 0d231912ba..470da5aa6e 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h @@ -283,9 +283,10 @@ # define PTR_MANGLE(reg, tmpreg) \ lwz tmpreg,POINTER_GUARD(r2); \ xor reg,tmpreg,reg -# define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg) -# define PTR_DEMANGLE2(reg, tmpreg) \ +# define PTR_MANGLE2(reg, tmpreg) \ xor reg,tmpreg,reg +# define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg) +# define PTR_DEMANGLE2(reg, tmpreg) PTR_MANGLE2 (reg, tmpreg) # else # define PTR_MANGLE(var) \ (var) = (__typeof (var)) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ()) -- cgit v1.2.3-70-g09d2