Import libffi from PyObjC 1.3.7.

darcs-hash:129bccb59266f997deac9b0353aea2d2d4049f92

3 files changed, 236 insertions, 0 deletions

diff --git a/libffi/testsuite/libffi.special/ffitestcxx.h b/libffi/testsuite/libffi.special/ffitestcxx.h
new file mode 100644
index 0000000..01414cc
--- /dev/null
+++ b/libffi/testsuite/libffi.special/ffitestcxx.h
@@ -0,0 +1,77 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <ffi.h>
+#include "fficonfig.h"
+
+#define MAX_ARGS 256
+
+#define CHECK(x) (!(x) ? abort() : (void)0)
+
+/* Prefer MAP_ANON(YMOUS) to /dev/zero, since we don't need to keep a
+   file open.  */
+#ifdef HAVE_MMAP_ANON
+# undef HAVE_MMAP_DEV_ZERO
+
+# include <sys/mman.h>
+# ifndef MAP_FAILED
+#  define MAP_FAILED -1
+# endif
+# if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
+#  define MAP_ANONYMOUS MAP_ANON
+# endif
+# define USING_MMAP
+
+#endif
+
+#ifdef HAVE_MMAP_DEV_ZERO
+
+# include <sys/mman.h>
+# ifndef MAP_FAILED
+#  define MAP_FAILED -1
+# endif
+# define USING_MMAP
+
+#endif
+
+#ifdef USING_MMAP
+static inline void *
+allocate_mmap (size_t size)
+{
+  void *page;
+#if defined (HAVE_MMAP_DEV_ZERO)
+  static int dev_zero_fd = -1;
+#endif
+
+#ifdef HAVE_MMAP_DEV_ZERO
+  if (dev_zero_fd == -1)
+    {
+      dev_zero_fd = open ("/dev/zero", O_RDONLY);
+      if (dev_zero_fd == -1)
+	{
+	  perror ("open /dev/zero: %m");
+	  exit (1);
+	}
+    }
+#endif
+
+
+#ifdef HAVE_MMAP_ANON
+  page = mmap (NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC,
+	       MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+#endif
+#ifdef HAVE_MMAP_DEV_ZERO
+  page = mmap (NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC,
+	       MAP_PRIVATE, dev_zero_fd, 0);
+#endif
+
+  if (page == MAP_FAILED)
+    {
+      perror ("virtual memory exhausted");
+      exit (1);
+    }
+
+  return page;
+}
+
+#endif
diff --git a/libffi/testsuite/libffi.special/special.exp b/libffi/testsuite/libffi.special/special.exp
new file mode 100644
index 0000000..df96d03
--- /dev/null
+++ b/libffi/testsuite/libffi.special/special.exp
@@ -0,0 +1,36 @@
+#   Copyright (C) 2003 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+
+# libffi testsuite that uses the 'dg.exp' driver.
+
+load_lib libffi-dg.exp
+
+dg-init
+libffi-init
+
+global srcdir subdir
+
+global cxx_options
+
+set cxx_options " -lstdc++"
+
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.cc]] $cxx_options ""
+
+dg-finish
+
+# Local Variables:
+# tcl-indent-level:4
+# End:
diff --git a/libffi/testsuite/libffi.special/unwindtest.cc b/libffi/testsuite/libffi.special/unwindtest.cc
new file mode 100644
index 0000000..4fec44c
--- /dev/null
+++ b/libffi/testsuite/libffi.special/unwindtest.cc
@@ -0,0 +1,123 @@
+/* Area:	ffi_closure, unwind info
+   Purpose:	Check if the unwind information is passed correctly.
+   Limitations:	none.
+   PR:		none.
+   Originator:	Jeff Sturm <jsturm@one-point.com>  */
+
+/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
+#include "ffitestcxx.h"
+
+void
+closure_test_fn(ffi_cif* cif, void* resp, void** args, void* userdata)
+{
+  throw 9;
+}
+
+typedef void (*closure_test_type)();
+
+void closure_test_fn1(ffi_cif* cif,void* resp,void** args,
+			     void* userdata)
+ {
+    *(ffi_arg*)resp =
+      (int)*(float *)args[0] +(int)(*(float *)args[1]) +
+      (int)(*(float *)args[2]) + (int)*(float *)args[3] +
+      (int)(*(signed short *)args[4]) + (int)(*(float *)args[5]) +
+      (int)*(float *)args[6] + (int)(*(int *)args[7]) +
+      (int)(*(double*)args[8]) + (int)*(int *)args[9] +
+      (int)(*(int *)args[10]) + (int)(*(float *)args[11]) +
+      (int)*(int *)args[12] + (int)(*(int *)args[13]) +
+      (int)(*(int *)args[14]) + *(int *)args[15] + (int)(long)userdata;
+
+    printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d\n",
+	   (int)*(float *)args[0], (int)(*(float *)args[1]),
+	   (int)(*(float *)args[2]), (int)*(float *)args[3],
+	   (int)(*(signed short *)args[4]), (int)(*(float *)args[5]),
+	   (int)*(float *)args[6], (int)(*(int *)args[7]),
+	   (int)(*(double *)args[8]), (int)*(int *)args[9],
+	   (int)(*(int *)args[10]), (int)(*(float *)args[11]),
+	   (int)*(int *)args[12], (int)(*(int *)args[13]),
+	   (int)(*(int *)args[14]), *(int *)args[15],
+	   (int)(long)userdata, (int)*(ffi_arg*)resp);
+
+    throw (int)*(ffi_arg*)resp;
+}
+
+typedef int (*closure_test_type1)(float, float, float, float, signed short,
+				  float, float, int, double, int, int, float,
+				  int, int, int, int);
+
+int main (void)
+{
+  ffi_cif cif;
+#ifndef USING_MMAP
+  static ffi_closure cl;
+#endif
+  ffi_closure *pcl;
+  ffi_type * cl_arg_types[17];
+  int res;
+#ifdef USING_MMAP
+  pcl = (ffi_closure *) allocate_mmap (sizeof(ffi_closure));
+#else
+  pcl = &cl;
+#endif
+
+  {
+    cl_arg_types[1] = NULL;
+
+    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 0,
+		       &ffi_type_void, cl_arg_types) == FFI_OK);
+    CHECK(ffi_prep_closure(pcl, &cif, closure_test_fn, NULL) == FFI_OK);
+
+    try
+      {
+	(*((closure_test_type)(pcl)))();
+      } catch (int exception_code)
+      {
+	CHECK(exception_code == 9);
+      }
+
+    printf("part one OK\n");
+    /* { dg-output "part one OK" } */
+    }
+
+    {
+
+      cl_arg_types[0] = &ffi_type_float;
+      cl_arg_types[1] = &ffi_type_float;
+      cl_arg_types[2] = &ffi_type_float;
+      cl_arg_types[3] = &ffi_type_float;
+      cl_arg_types[4] = &ffi_type_sshort;
+      cl_arg_types[5] = &ffi_type_float;
+      cl_arg_types[6] = &ffi_type_float;
+      cl_arg_types[7] = &ffi_type_uint;
+      cl_arg_types[8] = &ffi_type_double;
+      cl_arg_types[9] = &ffi_type_uint;
+      cl_arg_types[10] = &ffi_type_uint;
+      cl_arg_types[11] = &ffi_type_float;
+      cl_arg_types[12] = &ffi_type_uint;
+      cl_arg_types[13] = &ffi_type_uint;
+      cl_arg_types[14] = &ffi_type_uint;
+      cl_arg_types[15] = &ffi_type_uint;
+      cl_arg_types[16] = NULL;
+
+      /* Initialize the cif */
+      CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
+			 &ffi_type_sint, cl_arg_types) == FFI_OK);
+
+      CHECK(ffi_prep_closure(pcl, &cif, closure_test_fn1,
+			     (void *) 3 /* userdata */)  == FFI_OK);
+      try
+	{
+	  (*((closure_test_type1)pcl))
+	    (1.1, 2.2, 3.3, 4.4, 127, 5.5, 6.6, 8, 9, 10, 11, 12.0, 13,
+	     19, 21, 1);
+	  /* { dg-output "\n1 2 3 4 127 5 6 8 9 10 11 12 13 19 21 1 3: 255" } */
+	} catch (int exception_code)
+	{
+	  CHECK(exception_code == 255);
+	}
+      printf("part two OK\n");
+      /* { dg-output "\npart two OK" } */
+    }
+    exit(0);
+}