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