# --- T2-COPYRIGHT-NOTE-BEGIN --- # This copyright note is auto-generated by ./scripts/Create-CopyPatch. # # T2 SDE: package/.../dietlibc/sparc64-longjmp.patch # Copyright (C) 2006 The T2 SDE Project # # More information can be found in the files COPYING and README. # # This patch file is dual-licensed. It is available under the license the # patched project is licensed under, as long as it is an OpenSource license # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms # of the GNU General Public License as published by the Free Software # Foundation; either version 2 of the License, or (at your option) any later # version. # --- T2-COPYRIGHT-NOTE-END --- This fixes the sparc64 longjmp to inject the return value at the correct memory location (and not SIGBUS). MC_G1 is just the index in the register array, and before that array there are 4 more words placed, thus the offset 4 and multiple with the word-size ... - Rene Rebe --- dietlibc-0.29/sparc64/longjmp.S 2002-09-16 11:17:02.000000000 +0000 +++ dietlibc-0.29-fixed/sparc64/longjmp.S 2006-06-21 15:00:15.000000000 +0000 @@ -11,7 +11,7 @@ .type __libc_longjmp,function __libc_longjmp: movrz %o1, 1, %o1 /* never return 0 in setjmp */ - stx %o1, [ %o0+MC_G1 ] /* save return value in context */ + stx %o1, [%o0 + (4+MC_G1) * 8] /* save return value in context */ ld [ %o0+FLAG_SAVEMASK ], %o1 /* has setjmp saved the signalmask ? */ ta 0x6f /* setcontext / restore context */ .size __libc_longjmp,.-__libc_longjmp