From: Anthony Green <green@moxielogic.com>
Date: Mon, 3 Apr 2023 12:18:23 +0000 (-0400)
Subject: Add tests with homogeneous aggregate types
X-Git-Tag: upstream/3.4.7~65
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2d63cee0e2154bb9027cff71f780cfaa2f543567;p=platform%2Fupstream%2Flibffi.git

Add tests with homogeneous aggregate types
---

diff --git a/testsuite/Makefile.am b/testsuite/Makefile.am
index ec3e7e7..4f9cf21 100644
--- a/testsuite/Makefile.am
+++ b/testsuite/Makefile.am
@@ -39,6 +39,7 @@ libffi.call/strlen2.c libffi.call/strlen3.c libffi.call/strlen4.c       \
 libffi.call/strlen.c libffi.call/va_3.c                                 \
 libffi.call/struct_by_value_2.c libffi.call/struct_by_value_3.c         \
 libffi.call/struct_by_value_4.c libffi.closures/closure.exp             \
+libffi.call/struct_by_value_3f.c libffi.call/struct_by_value_4f.c       \
 libffi.call/s55.c libffi.call/bpo-38748.c                               \
 libffi.closures/closure_fn0.c libffi.closures/closure_fn1.c             \
 libffi.closures/closure_fn2.c libffi.closures/closure_fn3.c             \
diff --git a/testsuite/libffi.call/struct_by_value_3f.c b/testsuite/libffi.call/struct_by_value_3f.c
new file mode 100644
index 0000000..8b5b1db
--- /dev/null
+++ b/testsuite/libffi.call/struct_by_value_3f.c
@@ -0,0 +1,65 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct
+{
+  float f01;
+  float f02;
+  float f03;
+} test_structure_1;
+
+static test_structure_1 ABI_ATTR struct1(test_structure_1 ts)
+{
+  ts.f03++;
+
+  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[5];
+
+  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_float;
+  ts1_type_elements[1] = &ffi_type_float;
+  ts1_type_elements[2] = &ffi_type_float;
+  ts1_type_elements[3] = NULL;
+
+  args[0] = &ts1_type;
+  values[0] = &ts1_arg;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1,
+		     &ts1_type, args) == FFI_OK);
+
+  ts1_arg.f03 = 555.5;
+
+  ffi_call(&cif, FFI_FN(struct1), ts1_result, values);
+
+  CHECK(fabs(ts1_result->f03 - 556.5) < FLT_EPSILON);
+
+  /* This will fail if ffi_call isn't passing the struct by value. */
+  CHECK(fabs(ts1_arg.f03 - 555.5) < FLT_EPSILON);
+
+  free (ts1_result);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/struct_by_value_4f.c b/testsuite/libffi.call/struct_by_value_4f.c
new file mode 100644
index 0000000..bf6775a
--- /dev/null
+++ b/testsuite/libffi.call/struct_by_value_4f.c
@@ -0,0 +1,67 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct
+{
+  float f01;
+  float f02;
+  float f03;
+  float f04;
+} test_structure_1;
+
+static test_structure_1 ABI_ATTR struct1(test_structure_1 ts)
+{
+  ts.f04++;
+
+  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[5];
+
+  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_float;
+  ts1_type_elements[1] = &ffi_type_float;
+  ts1_type_elements[2] = &ffi_type_float;
+  ts1_type_elements[3] = &ffi_type_float;
+  ts1_type_elements[4] = NULL;
+
+  args[0] = &ts1_type;
+  values[0] = &ts1_arg;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1,
+		     &ts1_type, args) == FFI_OK);
+
+  ts1_arg.f04 = 555.5;
+
+  ffi_call(&cif, FFI_FN(struct1), ts1_result, values);
+
+  CHECK(fabs(ts1_result->f04 - 556.5) < FLT_EPSILON);
+
+  /* This will fail if ffi_call isn't passing the struct by value. */
+  CHECK(fabs(ts1_arg.f04 - 555.5) < FLT_EPSILON);
+
+  free (ts1_result);
+  exit(0);
+}