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--- os_dep.c.orig 2008-02-29 11:01:28.000000000 -0800
+++ os_dep.c 2010-04-01 00:50:34.000000000 -0700
@@ -816,7 +816,7 @@
|| defined(HURD) || defined(NETBSD)
static struct sigaction old_segv_act;
# if defined(_sigargs) /* !Irix6.x */ || defined(HPUX) \
- || defined(HURD) || defined(NETBSD)
+ || defined(HURD) || defined(NETBSD) || defined(FREEBSD)
static struct sigaction old_bus_act;
# endif
# else
@@ -826,7 +826,7 @@
void GC_set_and_save_fault_handler(handler h)
{
# if defined(SUNOS5SIGS) || defined(IRIX5) \
- || defined(OSF1) || defined(HURD) || defined(NETBSD)
+ || defined(OSF1) || defined(HURD) || defined(NETBSD) || defined(FREEBSD)
struct sigaction act;
act.sa_handler = h;
@@ -846,7 +846,7 @@
# else
(void) sigaction(SIGSEGV, &act, &old_segv_act);
# if defined(IRIX5) && defined(_sigargs) /* Irix 5.x, not 6.x */ \
- || defined(HPUX) || defined(HURD) || defined(NETBSD)
+ || defined(HPUX) || defined(HURD) || defined(NETBSD) || defined(FREEBSD)
/* Under Irix 5.x or HP/UX, we may get SIGBUS. */
/* Pthreads doesn't exist under Irix 5.x, so we */
/* don't have to worry in the threads case. */
@@ -2713,7 +2713,13 @@
# include <errno.h>
# if defined(FREEBSD)
# define SIG_OK TRUE
-# define CODE_OK (code == BUS_PAGE_FAULT)
+# if defined(POWERPC)
+# define AIM /* Pretend that we're AIM. */
+# include <machine/trap.h>
+# define CODE_OK (code == EXC_DSI)
+# else
+# define CODE_OK (code == BUS_PAGE_FAULT)
+# endif
# elif defined(OSF1)
# define SIG_OK (sig == SIGSEGV)
# define CODE_OK (code == 2 /* experimentally determined */)
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