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48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
$NetBSD: patch-src_alloc_c,v 1.2 2011/12/24 17:07:07 dholland Exp $
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- use standard includes
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- add an empty asm() destroying memory that prevents gcc from
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optimizing out __malloc_hook and friends (which leads to
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SIGSEGV in temacs during build)
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--- src/alloc.c.orig 1994-10-24 11:37:41.000000000 +0000
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+++ src/alloc.c
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@@ -30,6 +30,7 @@ the Free Software Foundation, 675 Mass A
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In make_string(), original bug fixed. */
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#include <signal.h>
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+#include <stdlib.h>
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#include <config.h>
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#include "lisp.h"
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@@ -240,6 +241,9 @@ emacs_blocked_free (ptr)
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{
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BLOCK_INPUT;
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__free_hook = old_free_hook;
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+#ifdef __GNUC__
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+ __asm __volatile("":::"memory");
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+#endif
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free (ptr);
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__free_hook = emacs_blocked_free;
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UNBLOCK_INPUT;
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@@ -253,6 +257,9 @@ emacs_blocked_malloc (size)
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BLOCK_INPUT;
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__malloc_hook = old_malloc_hook;
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+#ifdef __GNUC__
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+ __asm __volatile("":::"memory");
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+#endif
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value = (void *) malloc (size);
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__malloc_hook = emacs_blocked_malloc;
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UNBLOCK_INPUT;
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@@ -269,6 +276,9 @@ emacs_blocked_realloc (ptr, size)
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BLOCK_INPUT;
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__realloc_hook = old_realloc_hook;
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+#ifdef __GNUC__
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+ __asm __volatile("":::"memory");
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+#endif
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value = (void *) realloc (ptr, size);
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__realloc_hook = emacs_blocked_realloc;
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UNBLOCK_INPUT;
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