diff --git a/testsuite/Makefile.am b/testsuite/Makefile.am
index 3cb876b..912e8e1 100644
--- a/testsuite/Makefile.am
+++ b/testsuite/Makefile.am
@@ -20,7 +20,7 @@ CLEANFILES = *.exe core* *.log *.sum
 EXTRA_DIST = config/default.exp libffi.call/cls_19byte.c		\
 libffi.call/cls_align_longdouble_split.c				\
 libffi.call/closure_loc_fn0.c libffi.call/cls_schar.c			\
-libffi.call/closure_fn1.c libffi.call/many2_win32.c			\
+libffi.call/closure_fn1.c \
 libffi.call/return_ul.c libffi.call/cls_align_double.c			\
 libffi.call/return_fl2.c libffi.call/cls_1_1byte.c			\
 libffi.call/cls_64byte.c libffi.call/nested_struct7.c			\
@@ -30,7 +30,7 @@ libffi.call/cls_multi_ushort.c libffi.call/struct3.c			\
 libffi.call/cls_3byte1.c libffi.call/cls_16byte.c			\
 libffi.call/struct8.c libffi.call/nested_struct8.c			\
 libffi.call/cls_multi_sshort.c libffi.call/cls_3byte2.c			\
-libffi.call/fastthis2_win32.c libffi.call/cls_pointer.c			\
+libffi.call/cls_pointer.c			\
 libffi.call/err_bad_typedef.c libffi.call/cls_4_1byte.c			\
 libffi.call/cls_9byte2.c libffi.call/cls_multi_schar.c			\
 libffi.call/stret_medium2.c libffi.call/cls_5_1_byte.c			\
@@ -50,12 +50,12 @@ libffi.call/closure_stdcall.c libffi.call/cls_align_uint16.c		\
 libffi.call/cls_9byte1.c libffi.call/closure_fn6.c			\
 libffi.call/cls_double_va.c libffi.call/cls_align_pointer.c		\
 libffi.call/cls_align_longdouble.c libffi.call/closure_fn2.c		\
-libffi.call/cls_sshort.c libffi.call/many_win32.c			\
+libffi.call/cls_sshort.c \
 libffi.call/nested_struct.c libffi.call/cls_20byte.c			\
 libffi.call/cls_longdouble.c libffi.call/cls_multi_uchar.c		\
 libffi.call/return_uc.c libffi.call/closure_thiscall.c			\
 libffi.call/cls_18byte.c libffi.call/cls_8byte.c			\
-libffi.call/promotion.c libffi.call/struct1_win32.c			\
+libffi.call/promotion.c \
 libffi.call/return_dbl.c libffi.call/cls_24byte.c			\
 libffi.call/struct4.c libffi.call/cls_6byte.c				\
 libffi.call/cls_align_uint32.c libffi.call/float.c			\
@@ -63,7 +63,7 @@ libffi.call/float1.c libffi.call/float_va.c libffi.call/negint.c	\
 libffi.call/return_dbl1.c libffi.call/cls_3_1byte.c			\
 libffi.call/cls_align_float.c libffi.call/return_fl1.c			\
 libffi.call/nested_struct10.c libffi.call/nested_struct5.c		\
-libffi.call/fastthis1_win32.c libffi.call/cls_align_sint64.c		\
+libffi.call/cls_align_sint64.c		\
 libffi.call/stret_large2.c libffi.call/return_sl.c			\
 libffi.call/closure_fn0.c libffi.call/cls_5byte.c			\
 libffi.call/cls_2byte.c libffi.call/float2.c				\
@@ -75,13 +75,13 @@ libffi.call/cls_float.c libffi.call/cls_pointer_stack.c		\
 libffi.call/pyobjc-tc.c libffi.call/cls_multi_ushortchar.c		\
 libffi.call/struct1.c libffi.call/nested_struct9.c			\
 libffi.call/huge_struct.c libffi.call/problem1.c			\
-libffi.call/float4.c libffi.call/fastthis3_win32.c			\
-libffi.call/return_ldl.c libffi.call/strlen2_win32.c			\
-libffi.call/closure_fn5.c libffi.call/struct2_win32.c			\
+libffi.call/float4.c \
+libffi.call/return_ldl.c \
+libffi.call/closure_fn5.c \
 libffi.call/struct6.c libffi.call/return_ll.c libffi.call/struct9.c	\
 libffi.call/return_sc.c libffi.call/struct7.c				\
 libffi.call/cls_align_uint64.c libffi.call/cls_4byte.c			\
-libffi.call/strlen_win32.c libffi.call/cls_6_1_byte.c			\
+libffi.call/cls_6_1_byte.c			\
 libffi.call/cls_7_1_byte.c libffi.call/unwindtest.cc			\
 libffi.call/unwindtest_ffi_call.cc	\
 lib/wrapper.exp lib/target-libpath.exp	\
@@ -90,5 +90,7 @@ libffi.call/cls_uchar_va.c libffi.call/cls_uint_va.c			\
 libffi.call/cls_ulong_va.c libffi.call/cls_ushort_va.c			\
 libffi.call/nested_struct11.c libffi.call/uninitialized.c		\
 libffi.call/va_1.c libffi.call/va_struct1.c libffi.call/va_struct2.c	\
-libffi.call/va_struct3.c
-
+libffi.call/va_struct3.c \
+libffi.call/strlen2.c \
+libffi.call/strlen3.c \
+libffi.call/strlen4.c
diff --git a/testsuite/lib/libffi.exp b/testsuite/lib/libffi.exp
index 014e520..28d6036 100644
--- a/testsuite/lib/libffi.exp
+++ b/testsuite/lib/libffi.exp
@@ -284,10 +284,33 @@ proc run-many-tests { testcases extra_flags } {
         set optimizations { "" }
     }
 
+    set targetabis { "" }
+    if [string match $using_gcc "yes"] {
+        if [istarget "i?86-*-*"] {
+            set targetabis {
+                ""
+                "-DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__"
+                "-DABI_NUM=FFI_THISCALL -DABI_ATTR=__THISCALL__"
+                "-DABI_NUM=FFI_FASTCALL -DABI_ATTR=__FASTCALL__"
+            }
+        }
+    }
+
     set common [ concat $common $extra_flags ]
-    foreach opt $optimizations {
-        set options [ concat $common $opt ]
-        dg-runtest $testcases $options ""
+    foreach test $testcases {
+        set testname [file tail $test]
+        if [search_for $test "ABI_NUM"] {
+            set abis $targetabis
+        } else {
+            set abis { "" }
+        }
+        foreach opt $optimizations {
+            foreach abi $abis {
+                set options [concat $common $opt $abi]
+                verbose "Testing $testname, $options" 1
+                dg-test $test $options ""
+            }
+        }
     }
 }
 
diff --git a/testsuite/libffi.call/ffitest.h b/testsuite/libffi.call/ffitest.h
index 752fe55..316e5c0 100644
--- a/testsuite/libffi.call/ffitest.h
+++ b/testsuite/libffi.call/ffitest.h
@@ -31,6 +31,11 @@
 #define __FASTCALL__ __fastcall
 #endif
 
+#ifndef ABI_NUM
+#define ABI_NUM FFI_DEFAULT_ABI
+#define ABI_ATTR
+#endif
+
 /* Prefer MAP_ANON(YMOUS) to /dev/zero, since we don't need to keep a
    file open.  */
 #ifdef HAVE_MMAP_ANON
diff --git a/testsuite/libffi.call/many.c b/testsuite/libffi.call/many.c
index 5447664..336968c 100644
--- a/testsuite/libffi.call/many.c
+++ b/testsuite/libffi.call/many.c
@@ -11,19 +11,7 @@
 #include <float.h>
 #include <math.h>
 
-static float many(float f1,
-		  float f2,
-		  float f3,
-		  float f4,
-		  float f5,
-		  float f6,
-		  float f7,
-		  float f8,
-		  float f9,
-		  float f10,
-		  float f11,
-		  float f12,
-		  float f13)
+static float ABI_ATTR many(float f1, float f2, float f3, float f4, float f5, float f6, float f7, float f8, float f9, float f10, float f11, float f12, float f13)
 {
 #if 0
   printf("%f %f %f %f %f %f %f %f %f %f %f %f %f\n",
@@ -52,7 +40,7 @@ int main (void)
     }
 
     /* Initialize the cif */
-    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 13, 
+    CHECK(ffi_prep_cif(&cif, ABI_NUM, 13,
 		       &ffi_type_float, args) == FFI_OK);
 
     ffi_call(&cif, FFI_FN(many), &f, values);
diff --git a/testsuite/libffi.call/many2.c b/testsuite/libffi.call/many2.c
index 98eac60..1c85746 100644
--- a/testsuite/libffi.call/many2.c
+++ b/testsuite/libffi.call/many2.c
@@ -22,7 +22,7 @@ foo (uint8_t a, uint8_t b, uint8_t c, uint8_t d,
   return a + b + c + d + e + f + g;
 }
 
-uint8_t
+uint8_t ABI_ATTR
 bar (uint8_t a, uint8_t b, uint8_t c, uint8_t d,
      uint8_t e, uint8_t f, uint8_t g)
 {
@@ -42,7 +42,7 @@ main (void)
   for (i = 0; i < NARGS; ++i)
     ffitypes[i] = &ffi_type_uint8;
 
-  CHECK (ffi_prep_cif (&cif, FFI_DEFAULT_ABI, NARGS,
+  CHECK (ffi_prep_cif (&cif, ABI_NUM, NARGS,
 		       &ffi_type_uint8, ffitypes) == FFI_OK);
 
   for (i = 0; i < NARGS; ++i)
diff --git a/testsuite/libffi.call/many2_win32.c b/testsuite/libffi.call/many2_win32.c
deleted file mode 100644
index de6f9bb..0000000
--- a/testsuite/libffi.call/many2_win32.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/* Area:	ffi_call
-   Purpose:	Check stdcall many call on X86_WIN32 systems.
-   Limitations:	none.
-   PR:		none.
-   Originator:	From the original ffitest.c  */
-
-/* { dg-do run { target i?86-*-* } } */
-
-#include "ffitest.h"
-#include <float.h>
-
-static float __attribute__((fastcall)) fastcall_many(float f1,
-						   float f2,
-						   float f3,
-						   float f4,
-						   float f5,
-						   float f6,
-						   float f7,
-						   float f8,
-						   float f9,
-						   float f10,
-						   float f11,
-						   float f12,
-						   float f13)
-{
-  return ((f1/f2+f3/f4+f5/f6+f7/f8+f9/f10+f11/f12) * f13);
-}
-
-int main (void)
-{
-  ffi_cif cif;
-  ffi_type *args[13];
-  void *values[13];
-  float fa[13];
-  float f, ff;
-  unsigned long ul;
-
-  for (ul = 0; ul < 13; ul++)
-    {
-      args[ul] = &ffi_type_float;
-      values[ul] = &fa[ul];
-	fa[ul] = (float) ul;
-    }
-
-  /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 13,
-		     &ffi_type_float, args) == FFI_OK);
-
-  ff =  fastcall_many(fa[0], fa[1],
-		     fa[2], fa[3],
-		     fa[4], fa[5],
-		     fa[6], fa[7],
-		     fa[8], fa[9],
-		     fa[10], fa[11], fa[12]);
-
-  ffi_call(&cif, FFI_FN(fastcall_many), &f, values);
-
-  if (f - ff < FLT_EPSILON)
-    printf("fastcall many arg tests ok!\n");
-  else
-    CHECK(0);
-  exit(0);
-}
diff --git a/testsuite/libffi.call/many_win32.c b/testsuite/libffi.call/many_win32.c
deleted file mode 100644
index e696c93..0000000
--- a/testsuite/libffi.call/many_win32.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/* Area:	ffi_call
-   Purpose:	Check stdcall many call on X86_WIN32 systems.
-   Limitations:	none.
-   PR:		none.
-   Originator:	From the original ffitest.c  */
-
-/* { dg-do run { target i?86-*-* } } */
-
-#include "ffitest.h"
-#include <float.h>
-
-static float __attribute__((stdcall)) stdcall_many(float f1,
-						   float f2,
-						   float f3,
-						   float f4,
-						   float f5,
-						   float f6,
-						   float f7,
-						   float f8,
-						   float f9,
-						   float f10,
-						   float f11,
-						   float f12,
-						   float f13)
-{
-  return f1+f2+f3+f4+f5+f6+f7+f8+f9+f10+f11+f12+f13;
-}
-
-int main (void)
-{
-  ffi_cif cif;
-  ffi_type *args[13];
-  void *values[13];
-  float fa[13];
-  float f, ff;
-  unsigned long ul;
-
-  for (ul = 0; ul < 13; ul++)
-    {
-      args[ul] = &ffi_type_float;
-      values[ul] = &fa[ul];
-	fa[ul] = (float) ul;
-    }
-
-  /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_STDCALL, 13,
-		     &ffi_type_float, args) == FFI_OK);
-
-  ff =  stdcall_many(fa[0], fa[1],
-		     fa[2], fa[3],
-		     fa[4], fa[5],
-		     fa[6], fa[7],
-		     fa[8], fa[9],
-		     fa[10], fa[11], fa[12]);
-
-  ffi_call(&cif, FFI_FN(stdcall_many), &f, values);
-
-  if (f - ff < FLT_EPSILON)
-    printf("stdcall many arg tests ok!\n");
-  else
-    CHECK(0);
-  exit(0);
-}
diff --git a/testsuite/libffi.call/strlen.c b/testsuite/libffi.call/strlen.c
index 3de45de..35b70ea 100644
--- a/testsuite/libffi.call/strlen.c
+++ b/testsuite/libffi.call/strlen.c
@@ -7,7 +7,7 @@
 /* { dg-do run } */
 #include "ffitest.h"
 
-static size_t my_strlen(char *s)
+static size_t ABI_ATTR my_strlen(char *s)
 {
   return (strlen(s));
 }
@@ -24,7 +24,7 @@ int main (void)
   values[0] = (void*) &s;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1,
 		     &ffi_type_sint, args) == FFI_OK);
   
   s = "a";
diff --git a/testsuite/libffi.call/fastthis1_win32.c b/testsuite/libffi.call/strlen2.c
similarity index 62%
rename from testsuite/libffi.call/fastthis1_win32.c
rename to testsuite/libffi.call/strlen2.c
index 2bac3b2..96282bc 100644
--- a/testsuite/libffi.call/fastthis1_win32.c
+++ b/testsuite/libffi.call/strlen2.c
@@ -1,14 +1,14 @@
 /* Area:	ffi_call
-   Purpose:	Check fastcall fct call on X86_WIN32 systems.
+   Purpose:	Check strlen function call with additional arguments.
    Limitations:	none.
    PR:		none.
    Originator:	From the original ffitest.c  */
 
-/* { dg-do run { target i?86-*-* } } */
+/* { dg-do run } */
 
 #include "ffitest.h"
 
-static size_t __FASTCALL__ my_fastcall_f(char *s, float a)
+static size_t ABI_ATTR my_f(char *s, float a)
 {
   return (size_t) ((int) strlen(s) + (int) a);
 }
@@ -27,24 +27,23 @@ int main (void)
   values[1] = (void*) &v2;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 2,
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 2,
 		       &ffi_type_sint, args) == FFI_OK);
   
   s = "a";
   v2 = 0.0;
-  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  ffi_call(&cif, FFI_FN(my_f), &rint, values);
   CHECK(rint == 1);
   
   s = "1234567";
   v2 = -1.0;
-  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  ffi_call(&cif, FFI_FN(my_f), &rint, values);
   CHECK(rint == 6);
   
   s = "1234567890123456789012345";
   v2 = 1.0;
-  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  ffi_call(&cif, FFI_FN(my_f), &rint, values);
   CHECK(rint == 26);
   
-  printf("fastcall fct1 tests passed\n");
   exit(0);
 }
diff --git a/testsuite/libffi.call/strlen2_win32.c b/testsuite/libffi.call/strlen2_win32.c
deleted file mode 100644
index 465b6c3..0000000
--- a/testsuite/libffi.call/strlen2_win32.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Area:	ffi_call
-   Purpose:	Check fastcall strlen call on X86_WIN32 systems.
-   Limitations:	none.
-   PR:		none.
-   Originator:	From the original ffitest.c  */
-
-/* { dg-do run { target i?86-*-* } } */
-
-#include "ffitest.h"
-
-static size_t __FASTCALL__ my_fastcall_strlen(char *s)
-{
-  return (strlen(s));
-}
-
-int main (void)
-{
-  ffi_cif cif;
-  ffi_type *args[MAX_ARGS];
-  void *values[MAX_ARGS];
-  ffi_arg rint;
-  char *s;
-  args[0] = &ffi_type_pointer;
-  values[0] = (void*) &s;
-  
-  /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 1,
-		       &ffi_type_sint, args) == FFI_OK);
-  
-  s = "a";
-  ffi_call(&cif, FFI_FN(my_fastcall_strlen), &rint, values);
-  CHECK(rint == 1);
-  
-  s = "1234567";
-  ffi_call(&cif, FFI_FN(my_fastcall_strlen), &rint, values);
-  CHECK(rint == 7);
-  
-  s = "1234567890123456789012345";
-  ffi_call(&cif, FFI_FN(my_fastcall_strlen), &rint, values);
-  CHECK(rint == 25);
-  
-  printf("fastcall strlen tests passed\n");
-  exit(0);
-}
diff --git a/testsuite/libffi.call/fastthis2_win32.c b/testsuite/libffi.call/strlen3.c
similarity index 62%
rename from testsuite/libffi.call/fastthis2_win32.c
rename to testsuite/libffi.call/strlen3.c
index e78018c..beba86e 100644
--- a/testsuite/libffi.call/fastthis2_win32.c
+++ b/testsuite/libffi.call/strlen3.c
@@ -1,14 +1,14 @@
 /* Area:	ffi_call
-   Purpose:	Check fastcall fct call on X86_WIN32 systems.
+   Purpose:	Check strlen function call with additional arguments.
    Limitations:	none.
    PR:		none.
    Originator:	From the original ffitest.c  */
 
-/* { dg-do run { target i?86-*-* } } */
+/* { dg-do run } */
 
 #include "ffitest.h"
 
-static size_t __FASTCALL__ my_fastcall_f(float a, char *s)
+static size_t ABI_ATTR my_f(float a, char *s)
 {
   return (size_t) ((int) strlen(s) + (int) a);
 }
@@ -27,24 +27,23 @@ int main (void)
   values[0] = (void*) &v2;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 2,
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 2,
 		       &ffi_type_sint, args) == FFI_OK);
   
   s = "a";
   v2 = 0.0;
-  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  ffi_call(&cif, FFI_FN(my_f), &rint, values);
   CHECK(rint == 1);
   
   s = "1234567";
   v2 = -1.0;
-  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  ffi_call(&cif, FFI_FN(my_f), &rint, values);
   CHECK(rint == 6);
   
   s = "1234567890123456789012345";
   v2 = 1.0;
-  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  ffi_call(&cif, FFI_FN(my_f), &rint, values);
   CHECK(rint == 26);
   
-  printf("fastcall fct2 tests passed\n");
   exit(0);
 }
diff --git a/testsuite/libffi.call/fastthis3_win32.c b/testsuite/libffi.call/strlen4.c
similarity index 65%
rename from testsuite/libffi.call/fastthis3_win32.c
rename to testsuite/libffi.call/strlen4.c
index c3af801..d5d42b4 100644
--- a/testsuite/libffi.call/fastthis3_win32.c
+++ b/testsuite/libffi.call/strlen4.c
@@ -1,14 +1,14 @@
 /* Area:	ffi_call
-   Purpose:	Check fastcall f call on X86_WIN32 systems.
+   Purpose:	Check strlen function call with additional arguments.
    Limitations:	none.
    PR:		none.
    Originator:	From the original ffitest.c  */
 
-/* { dg-do run { target i?86-*-* } } */
+/* { dg-do run } */
 
 #include "ffitest.h"
 
-static size_t __FASTCALL__ my_fastcall_f(float a, char *s, int i)
+static size_t ABI_ATTR my_f(float a, char *s, int i)
 {
   return (size_t) ((int) strlen(s) + (int) a + i);
 }
@@ -30,27 +30,26 @@ int main (void)
   values[0] = (void*) &v2;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 3,
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 3,
 		       &ffi_type_sint, args) == FFI_OK);
   
   s = "a";
   v1 = 1;
   v2 = 0.0;
-  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  ffi_call(&cif, FFI_FN(my_f), &rint, values);
   CHECK(rint == 2);
   
   s = "1234567";
   v2 = -1.0;
   v1 = -2;
-  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  ffi_call(&cif, FFI_FN(my_f), &rint, values);
   CHECK(rint == 4);
   
   s = "1234567890123456789012345";
   v2 = 1.0;
   v1 = 2;
-  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  ffi_call(&cif, FFI_FN(my_f), &rint, values);
   CHECK(rint == 28);
   
-  printf("fastcall fct3 tests passed\n");
   exit(0);
 }
diff --git a/testsuite/libffi.call/strlen_win32.c b/testsuite/libffi.call/strlen_win32.c
deleted file mode 100644
index 2a14b96..0000000
--- a/testsuite/libffi.call/strlen_win32.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Area:	ffi_call
-   Purpose:	Check stdcall strlen call on X86_WIN32 systems.
-   Limitations:	none.
-   PR:		none.
-   Originator:	From the original ffitest.c  */
-
-/* { dg-do run { target i?86-*-* } } */
-
-#include "ffitest.h"
-
-static size_t __attribute__((stdcall)) my_stdcall_strlen(char *s)
-{
-  return (strlen(s));
-}
-
-int main (void)
-{
-  ffi_cif cif;
-  ffi_type *args[MAX_ARGS];
-  void *values[MAX_ARGS];
-  ffi_arg rint;
-  char *s;
-  args[0] = &ffi_type_pointer;
-  values[0] = (void*) &s;
-  
-  /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_STDCALL, 1,
-		       &ffi_type_sint, args) == FFI_OK);
-  
-  s = "a";
-  ffi_call(&cif, FFI_FN(my_stdcall_strlen), &rint, values);
-  CHECK(rint == 1);
-  
-  s = "1234567";
-  ffi_call(&cif, FFI_FN(my_stdcall_strlen), &rint, values);
-  CHECK(rint == 7);
-  
-  s = "1234567890123456789012345";
-  ffi_call(&cif, FFI_FN(my_stdcall_strlen), &rint, values);
-  CHECK(rint == 25);
-  
-  printf("stdcall strlen tests passed\n");
-  exit(0);
-}
diff --git a/testsuite/libffi.call/struct1.c b/testsuite/libffi.call/struct1.c
index bfc23f6..c13e23f 100644
--- a/testsuite/libffi.call/struct1.c
+++ b/testsuite/libffi.call/struct1.c
@@ -14,7 +14,7 @@ typedef struct
   unsigned int ui;
 } test_structure_1;
 
-static test_structure_1 struct1(test_structure_1 ts)
+static test_structure_1 ABI_ATTR struct1(test_structure_1 ts)
 {
   ts.uc++;
   ts.d--;
@@ -50,7 +50,7 @@ int main (void)
   values[0] = &ts1_arg;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1,
 		     &ts1_type, args) == FFI_OK);
   
   ts1_arg.uc = '\x01';
diff --git a/testsuite/libffi.call/struct1_win32.c b/testsuite/libffi.call/struct1_win32.c
deleted file mode 100644
index 6decf02..0000000
--- a/testsuite/libffi.call/struct1_win32.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* Area:	ffi_call
-   Purpose:	Check structures with fastcall/thiscall convention.
-   Limitations:	none.
-   PR:		none.
-   Originator:	From the original ffitest.c  */
-
-/* { dg-do run { target i?86-*-* } } */
-#include "ffitest.h"
-
-typedef struct
-{
-  unsigned char uc;
-  double d;
-  unsigned int ui;
-} test_structure_1;
-
-static test_structure_1 __FASTCALL__ struct1(test_structure_1 ts)
-{
-  ts.uc++;
-  ts.d--;
-  ts.ui++;
-
-  return ts;
-}
-
-int main (void)
-{
-  ffi_cif cif;
-  ffi_type *args[MAX_ARGS];
-  void *values[MAX_ARGS];
-  ffi_type ts1_type;
-  ffi_type *ts1_type_elements[4];
-
-  test_structure_1 ts1_arg;
-
-  /* This is a hack to get a properly aligned result buffer */
-  test_structure_1 *ts1_result =
-    (test_structure_1 *) malloc (sizeof(test_structure_1));
-
-  ts1_type.size = 0;
-  ts1_type.alignment = 0;
-  ts1_type.type = FFI_TYPE_STRUCT;
-  ts1_type.elements = ts1_type_elements;
-  ts1_type_elements[0] = &ffi_type_uchar;
-  ts1_type_elements[1] = &ffi_type_double;
-  ts1_type_elements[2] = &ffi_type_uint;
-  ts1_type_elements[3] = NULL;
-  
-  args[0] = &ts1_type;
-  values[0] = &ts1_arg;
-  
-  /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 1, 
-		     &ts1_type, args) == FFI_OK);
-  
-  ts1_arg.uc = '\x01';
-  ts1_arg.d = 3.14159;
-  ts1_arg.ui = 555;
-
-  ffi_call(&cif, FFI_FN(struct1), ts1_result, values);
-  
-  CHECK(ts1_result->ui == 556);
-  CHECK(ts1_result->d == 3.14159 - 1);
- 
-  free (ts1_result);
-  exit(0);
-}
diff --git a/testsuite/libffi.call/struct2.c b/testsuite/libffi.call/struct2.c
index d85385e..5077a5e 100644
--- a/testsuite/libffi.call/struct2.c
+++ b/testsuite/libffi.call/struct2.c
@@ -13,7 +13,7 @@ typedef struct
   double d2;
 } test_structure_2;
 
-static test_structure_2 struct2(test_structure_2 ts)
+static test_structure_2 ABI_ATTR struct2(test_structure_2 ts)
 {
   ts.d1--;
   ts.d2--;
@@ -46,7 +46,7 @@ int main (void)
   values[0] = &ts2_arg;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts2_type, args) == FFI_OK);
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts2_type, args) == FFI_OK);
   
   ts2_arg.d1 = 5.55;
   ts2_arg.d2 = 6.66;
diff --git a/testsuite/libffi.call/struct2_win32.c b/testsuite/libffi.call/struct2_win32.c
deleted file mode 100644
index 17a4519..0000000
--- a/testsuite/libffi.call/struct2_win32.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* Area:	ffi_call
-   Purpose:	Check structures in fastcall/stdcall function
-   Limitations:	none.
-   PR:		none.
-   Originator:	From the original ffitest.c  */
-
-/* { dg-do run { target i?86-*-* } } */
-#include "ffitest.h"
-
-typedef struct
-{
-  double d1;
-  double d2;
-} test_structure_2;
-
-static test_structure_2 __FASTCALL__ struct2(test_structure_2 ts)
-{
-  ts.d1--;
-  ts.d2--;
-
-  return ts;
-}
-
-int main (void)
-{
-  ffi_cif cif;
-  ffi_type *args[MAX_ARGS];
-  void *values[MAX_ARGS];
-  test_structure_2 ts2_arg;
-  ffi_type ts2_type;
-  ffi_type *ts2_type_elements[3];
-
-  /* This is a hack to get a properly aligned result buffer */
-  test_structure_2 *ts2_result =
-    (test_structure_2 *) malloc (sizeof(test_structure_2));
-
-  ts2_type.size = 0;
-  ts2_type.alignment = 0;
-  ts2_type.type = FFI_TYPE_STRUCT;
-  ts2_type.elements = ts2_type_elements;
-  ts2_type_elements[0] = &ffi_type_double;
-  ts2_type_elements[1] = &ffi_type_double;
-  ts2_type_elements[2] = NULL;
-
-  args[0] = &ts2_type;
-  values[0] = &ts2_arg;
-  
-  /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 1, &ts2_type, args) == FFI_OK);
-  
-  ts2_arg.d1 = 5.55;
-  ts2_arg.d2 = 6.66;
-  
-  printf ("%g\n", ts2_arg.d1);
-  printf ("%g\n", ts2_arg.d2);
-  
-  ffi_call(&cif, FFI_FN(struct2), ts2_result, values);
-  
-  printf ("%g\n", ts2_result->d1);
-  printf ("%g\n", ts2_result->d2);
-  
-  CHECK(ts2_result->d1 == 5.55 - 1);
-  CHECK(ts2_result->d2 == 6.66 - 1);
-  
-  free (ts2_result);
-  exit(0);
-}
diff --git a/testsuite/libffi.call/struct3.c b/testsuite/libffi.call/struct3.c
index de883c2..7eba0ea 100644
--- a/testsuite/libffi.call/struct3.c
+++ b/testsuite/libffi.call/struct3.c
@@ -12,7 +12,7 @@ typedef struct
   int si;
 } test_structure_3;
 
-static test_structure_3 struct3(test_structure_3 ts)
+static test_structure_3 ABI_ATTR struct3(test_structure_3 ts)
 {
   ts.si = -(ts.si*2);
 
@@ -43,7 +43,7 @@ int main (void)
   values[0] = &ts3_arg;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1,
 		     &ts3_type, args) == FFI_OK);
   
   ts3_arg.si = -123;
diff --git a/testsuite/libffi.call/struct4.c b/testsuite/libffi.call/struct4.c
index 48e0349..66a9551 100644
--- a/testsuite/libffi.call/struct4.c
+++ b/testsuite/libffi.call/struct4.c
@@ -14,7 +14,7 @@ typedef struct
   unsigned ui3;
 } test_structure_4;
 
-static test_structure_4 struct4(test_structure_4 ts)
+static test_structure_4 ABI_ATTR struct4(test_structure_4 ts)
 {
   ts.ui3 = ts.ui1 * ts.ui2 * ts.ui3;
 
@@ -48,7 +48,7 @@ int main (void)
   values[0] = &ts4_arg;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts4_type, args) == FFI_OK);
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts4_type, args) == FFI_OK);
   
   ts4_arg.ui1 = 2;
   ts4_arg.ui2 = 3;
diff --git a/testsuite/libffi.call/struct5.c b/testsuite/libffi.call/struct5.c
index 28b1f0c..23e2a3f 100644
--- a/testsuite/libffi.call/struct5.c
+++ b/testsuite/libffi.call/struct5.c
@@ -12,7 +12,7 @@ typedef struct
   char c2;
 } test_structure_5;
 
-static test_structure_5 struct5(test_structure_5 ts1, test_structure_5 ts2)
+static test_structure_5 ABI_ATTR struct5(test_structure_5 ts1, test_structure_5 ts2)
 {
   ts1.c1 += ts2.c1;
   ts1.c2 -= ts2.c2;
@@ -48,7 +48,7 @@ int main (void)
   values[1] = &ts5_arg2;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ts5_type, args) == FFI_OK);
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 2, &ts5_type, args) == FFI_OK);
   
   ts5_arg1.c1 = 2;
   ts5_arg1.c2 = 6;
diff --git a/testsuite/libffi.call/struct6.c b/testsuite/libffi.call/struct6.c
index 0e26746..173c66e 100644
--- a/testsuite/libffi.call/struct6.c
+++ b/testsuite/libffi.call/struct6.c
@@ -12,7 +12,7 @@ typedef struct
   double d;
 } test_structure_6;
 
-static test_structure_6 struct6 (test_structure_6 ts)
+static test_structure_6 ABI_ATTR struct6 (test_structure_6 ts)
 {
   ts.f += 1;
   ts.d += 1;
@@ -46,7 +46,7 @@ int main (void)
   values[0] = &ts6_arg;
 
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts6_type, args) == FFI_OK);
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts6_type, args) == FFI_OK);
   
   ts6_arg.f = 5.55f;
   ts6_arg.d = 6.66;
diff --git a/testsuite/libffi.call/struct7.c b/testsuite/libffi.call/struct7.c
index 8f2bbfd..badc7e0 100644
--- a/testsuite/libffi.call/struct7.c
+++ b/testsuite/libffi.call/struct7.c
@@ -13,7 +13,7 @@ typedef struct
   double d;
 } test_structure_7;
 
-static test_structure_7 struct7 (test_structure_7 ts)
+static test_structure_7 ABI_ATTR struct7 (test_structure_7 ts)
 {
   ts.f1 += 1;
   ts.f2 += 1;
@@ -49,7 +49,7 @@ int main (void)
   values[0] = &ts7_arg;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts7_type, args) == FFI_OK);
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts7_type, args) == FFI_OK);
   
   ts7_arg.f1 = 5.55f;
   ts7_arg.f2 = 55.5f;
diff --git a/testsuite/libffi.call/struct8.c b/testsuite/libffi.call/struct8.c
index 266e1f0..ef204ec 100644
--- a/testsuite/libffi.call/struct8.c
+++ b/testsuite/libffi.call/struct8.c
@@ -14,7 +14,7 @@ typedef struct
   float f4;
 } test_structure_8;
 
-static test_structure_8 struct8 (test_structure_8 ts)
+static test_structure_8 ABI_ATTR struct8 (test_structure_8 ts)
 {
   ts.f1 += 1;
   ts.f2 += 1;
@@ -52,7 +52,7 @@ int main (void)
   values[0] = &ts8_arg;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts8_type, args) == FFI_OK);
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts8_type, args) == FFI_OK);
   
   ts8_arg.f1 = 5.55f;
   ts8_arg.f2 = 55.5f;
diff --git a/testsuite/libffi.call/struct9.c b/testsuite/libffi.call/struct9.c
index efeb716..4a13b81 100644
--- a/testsuite/libffi.call/struct9.c
+++ b/testsuite/libffi.call/struct9.c
@@ -13,7 +13,7 @@ typedef struct
   int i;
 } test_structure_9;
 
-static test_structure_9 struct9 (test_structure_9 ts)
+static test_structure_9 ABI_ATTR struct9 (test_structure_9 ts)
 {
   ts.f += 1;
   ts.i += 1;
@@ -47,7 +47,7 @@ int main (void)
   values[0] = &ts9_arg;
   
   /* Initialize the cif */
-  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts9_type, args) == FFI_OK);
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts9_type, args) == FFI_OK);
   
   ts9_arg.f = 5.55f;
   ts9_arg.i = 5;
diff --git a/testsuite/libffi.call/unwindtest.cc b/testsuite/libffi.call/unwindtest.cc
index 02c34d8..67cfefe 100644
--- a/testsuite/libffi.call/unwindtest.cc
+++ b/testsuite/libffi.call/unwindtest.cc
@@ -8,7 +8,7 @@
 
 #include "ffitest.h"
 
-void
+void ABI_ATTR
 closure_test_fn(ffi_cif* cif __UNUSED__, void* resp __UNUSED__,
 		void** args __UNUSED__, void* userdata __UNUSED__)
 {