Index: libffi/ChangeLog
===================================================================
--- libffi.orig/ChangeLog
+++ libffi/ChangeLog
@@ -95,7 +95,12 @@
2011-02-09 Anthony Green <green@moxielogic.com>
- * README: Mention ARM iOS.
+ * testsuite/libffi.call/err_bad_typedef.c: Remove xfail.
+ * testsuite/libffi.call/err_bad_abi.c: Remove xfail.
+ * src/x86/ffi64.c (UNLIKELY, LIKELY): Define.
+ (ffi_prep_closure_loc): Check for bad ABI.
+ * src/prep_cif.c (UNLIKELY, LIKELY): Define.
+ (initialize_aggregate): Check for bad types.
2011-02-09 Landon Fuller <landonf@macports.org>
@@ -115,6 +120,7 @@
* src/closures.c: Handle FFI_EXEC_TRAMPOLINE_TABLE case.
* build-ios.sh: New file.
* fficonfig.h.in, configure, Makefile.in: Rebuilt.
+ * README: Mention ARM iOS.
2011-02-08 Oren Held <orenhe@il.ibm.com>
Index: libffi/src/prep_cif.c
===================================================================
--- libffi.orig/src/prep_cif.c
+++ libffi/src/prep_cif.c
@@ -1,5 +1,6 @@
/* -----------------------------------------------------------------------
- prep_cif.c - Copyright (c) 1996, 1998, 2007 Red Hat, Inc.
+ prep_cif.c - Copyright (c) 2011 Anthony Green
+ Copyright (c) 1996, 1998, 2007 Red Hat, Inc.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
@@ -26,6 +27,12 @@
#include <ffi_common.h>
#include <stdlib.h>
+#ifndef __GNUC__
+#define __builtin_expect(x, expected_value) (x)
+#endif
+#define LIKELY(x) __builtin_expect((x),1)
+#define UNLIKELY(x) __builtin_expect((x),1)
+
/* Round up to FFI_SIZEOF_ARG. */
#define STACK_ARG_SIZE(x) ALIGN(x, FFI_SIZEOF_ARG)
@@ -45,9 +52,13 @@ static ffi_status initialize_aggregate(f
ptr = &(arg->elements[0]);
+ if (UNLIKELY(ptr == 0))
+ return FFI_BAD_TYPEDEF;
+
while ((*ptr) != NULL)
{
- if (((*ptr)->size == 0) && (initialize_aggregate((*ptr)) != FFI_OK))
+ if (UNLIKELY(((*ptr)->size == 0)
+ && (initialize_aggregate((*ptr)) != FFI_OK)))
return FFI_BAD_TYPEDEF;
/* Perform a sanity check on the argument type */
@@ -93,7 +104,8 @@ ffi_status ffi_prep_cif(ffi_cif *cif, ff
ffi_type **ptr;
FFI_ASSERT(cif != NULL);
- FFI_ASSERT(abi > FFI_FIRST_ABI && abi < FFI_LAST_ABI);
+ if (! (abi > FFI_FIRST_ABI && abi < FFI_LAST_ABI))
+ return FFI_BAD_ABI;
cif->abi = abi;
cif->arg_types = atypes;
Index: libffi/src/x86/ffi64.c
===================================================================
--- libffi.orig/src/x86/ffi64.c
+++ libffi/src/x86/ffi64.c
@@ -28,6 +28,12 @@
#include <ffi.h>
#include <ffi_common.h>
+#ifndef __GNUC__
+#define __builtin_expect(x, expected_value) (x)
+#endif
+#define LIKELY(x) __builtin_expect((x),1)
+#define UNLIKELY(x) __builtin_expect((x),1)
+
#include <stdlib.h>
#include <stdarg.h>
@@ -498,6 +504,13 @@ ffi_prep_closure_loc (ffi_closure* closu
{
volatile unsigned short *tramp;
+ /* Sanity check on the cif ABI. */
+ {
+ int abi = cif->abi;
+ if (UNLIKELY (! (abi > FFI_FIRST_ABI && abi < FFI_LAST_ABI)))
+ return FFI_BAD_ABI;
+ }
+
tramp = (volatile unsigned short *) &closure->tramp[0];
tramp[0] = 0xbb49; /* mov <code>, %r11 */
Index: libffi/testsuite/libffi.call/err_bad_abi.c
===================================================================
--- libffi.orig/testsuite/libffi.call/err_bad_abi.c
+++ libffi/testsuite/libffi.call/err_bad_abi.c
@@ -4,7 +4,8 @@
PR: none.
Originator: Blake Chaffin 6/6/2007 */
-/* { dg-do run { xfail *-*-* } } */
+/* { dg-do run } */
+
#include "ffitest.h"
static void
Index: libffi/testsuite/libffi.call/err_bad_typedef.c
===================================================================
--- libffi.orig/testsuite/libffi.call/err_bad_typedef.c
+++ libffi/testsuite/libffi.call/err_bad_typedef.c
@@ -4,7 +4,8 @@
PR: none.
Originator: Blake Chaffin 6/6/2007 */
-/* { dg-do run { xfail *-*-* } } */
+/* { dg-do run } */
+
#include "ffitest.h"
int main (void)
