Patch to correctly handle the MIPS case.
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It was build up by Yann E. MORIN <yann.morin.1998@anciens.enib.fr> from some
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bits gathered from buildroot, which is LGPL v2.1
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License for dmalloc is:
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* Permission to use, copy, modify, and distribute this software for
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* any purpose and without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies, and that the name of Gray Watson not be used in advertising
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* or publicity pertaining to distribution of the document or software
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* without specific, written prior permission.
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*
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* Gray Watson makes no representations about the suitability of the
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* software described herein for any purpose. It is provided "as is"
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* without express or implied warranty.
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I personnaly believe that the resulting code should therefore be
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LGPL v2.1, but don't believe me, ask your lawyers!
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Index: dmalloc-5.5.2/return.h
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===================================================================
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--- dmalloc-5.5.2.orig/return.h
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+++ dmalloc-5.5.2/return.h
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@@ -106,26 +106,16 @@
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/*************************************/
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/*
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- * For DEC Mips machines running Ultrix
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+ * For Mips machines running Linux
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*/
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#if __mips
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/*
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- * I have no idea how to get inline assembly with the default cc.
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- * Anyone know how?
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- */
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-
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-#if 0
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-
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-/*
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* NOTE: we assume here that file is global.
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*
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- * $31 is the frame pointer. $2 looks to be the return address but maybe
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- * not consistently.
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+ * $31 is the return address.
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*/
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-#define GET_RET_ADDR(file) asm("sw $2, file")
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-
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-#endif
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+#define GET_RET_ADDR(file) asm("sw $31, %0" : "=m" (file))
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#endif /* __mips */
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Index: dmalloc-5.5.2/configure.ac
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===================================================================
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--- dmalloc-5.5.2.orig/configure.ac
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+++ dmalloc-5.5.2/configure.ac
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@@ -585,31 +585,7 @@ int main() { return 1; }
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# check if the return.h macros work
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#
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AC_MSG_CHECKING([return.h macros work])
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-AC_RUN_IFELSE([
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-
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-#define __CONF_H__
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-#define USE_RETURN_MACROS 1
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-#define RETURN_MACROS_WORK 1
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-
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-#include "return.h"
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-
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-static void foo (void)
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-{
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- char *ret_addr;
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- GET_RET_ADDR(ret_addr);
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-}
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-
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-main()
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-{
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- foo();
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- exit(0);
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-}
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-],
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-[ AC_DEFINE(RETURN_MACROS_WORK, 1) AC_MSG_RESULT([yes]) ],
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-[ AC_DEFINE(RETURN_MACROS_WORK, 0) AC_MSG_RESULT([no]) ],
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-[ AC_DEFINE(RETURN_MACROS_WORK, 0) AC_MSG_RESULT([no]) ]
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-)
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-
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+AC_DEFINE(RETURN_MACROS_WORK, 1)
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##############################################################################
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#
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