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[libffi] Fix several libffi testsuite failures on 64-bit SPARC and PowerPC (PR libffi/56033)

Message ID yddwqr0z5of.fsf@lokon.CeBiTec.Uni-Bielefeld.DE
State New
Headers show

Commit Message

Rainer Orth May 15, 2013, 2:19 p.m. UTC 
As reported in the PR, the recent libffi import into the gcc tree caused
a couple of testsuite failures on 64-bit big-endian targets (like SPARC
or PowerPC).

The following patch (mostly by Dominique) fixes them and finally gets us
clean libffi testsuite results.

Tested on sparc-sun-solaris2.11 on mainline and 4.8 branch and
x86_64-unknown-linux-gnu on mainline by myself and powerpc-apple-darwin9
by Dominique.

Ok for mainline and 4.8 branch where those failures represent
regressions from 4.7?

	Rainer


2013-05-15  Dominique d'Humieres  <dominiq@lps.ens.fr>
	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR libffi/56033
	* testsuite/libffi.call/cls_struct_va1.c (test_fn): Cast resp to
	ffi_arg *.
	* testsuite/libffi.call/cls_uint_va.c (cls_ret_T_fn): Likewise.
	* testsuite/libffi.call/va_1.c (main): Change res to ffi_arg.
	* testsuite/libffi.call/va_struct1.c (main): Likewise.
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Patch

# HG changeset patch
# Parent 04b67cdd4c35eb3ae10f94cfca092b7dd2dc358a
Patch for libffi/56033

diff --git a/libffi/testsuite/libffi.call/cls_struct_va1.c b/libffi/testsuite/libffi.call/cls_struct_va1.c
--- a/libffi/testsuite/libffi.call/cls_struct_va1.c
+++ b/libffi/testsuite/libffi.call/cls_struct_va1.c
@@ -35,7 +35,7 @@  test_fn (ffi_cif* cif __UNUSED__, void* 
   printf ("%d %d %d %d %d %d %d %d %d %d\n", n, s1.a, s1.b,
 	  l1.a, l1.b, l1.c, l1.d, l1.e,
 	  s2.a, s2.b);
-  * (int*) resp = 42;
+  * (ffi_arg*) resp = 42;
 }
 
 int
diff --git a/libffi/testsuite/libffi.call/cls_uint_va.c b/libffi/testsuite/libffi.call/cls_uint_va.c
--- a/libffi/testsuite/libffi.call/cls_uint_va.c
+++ b/libffi/testsuite/libffi.call/cls_uint_va.c
@@ -13,9 +13,9 @@  typedef unsigned int T;
 static void cls_ret_T_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
 			 void* userdata __UNUSED__)
  {
-   *(T *)resp = *(T *)args[0];
+   *(ffi_arg *)resp = *(T *)args[0];
 
-   printf("%d: %d %d\n", *(T *)resp, *(T *)args[0], *(T *)args[1]);
+   printf("%d: %d %d\n", (int)*(ffi_arg *)resp, *(T *)args[0], *(T *)args[1]);
  }
 
 typedef T (*cls_ret_T)(T, ...);
diff --git a/libffi/testsuite/libffi.call/va_1.c b/libffi/testsuite/libffi.call/va_1.c
--- a/libffi/testsuite/libffi.call/va_1.c
+++ b/libffi/testsuite/libffi.call/va_1.c
@@ -94,7 +94,7 @@  main (void)
   struct large_tag l1;
 
   int n;
-  int res;
+  ffi_arg res;
 
   unsigned char uc;
   signed char sc;
diff --git a/libffi/testsuite/libffi.call/va_struct1.c b/libffi/testsuite/libffi.call/va_struct1.c
--- a/libffi/testsuite/libffi.call/va_struct1.c
+++ b/libffi/testsuite/libffi.call/va_struct1.c
@@ -61,7 +61,7 @@  main (void)
   struct large_tag l1;
 
   int n;
-  int res;
+  ffi_arg res;
 
   s_type.size = 0;
   s_type.alignment = 0;