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authorDavid Schleef <ds@schleef.org>2011-10-02 19:45:32 -0700
committerDavid Schleef <ds@schleef.org>2011-10-02 19:45:32 -0700
commit11511605c963bfd64f04d16f37f0d76a2c05fcd0 (patch)
tree964d53052cc2e0571b3847544f806d8bab07d532 /orc-test
parente8267baff425821ee6366abe1d6a1a7ba8a25c45 (diff)
test: Add (disabled) ability to test 64-bit pointers
Diffstat (limited to 'orc-test')
-rw-r--r--orc-test/orcarray.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/orc-test/orcarray.c b/orc-test/orcarray.c
index aeab06e..6e9c70f 100644
--- a/orc-test/orcarray.c
+++ b/orc-test/orcarray.c
@@ -1,4 +1,8 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <orc-test/orctest.h>
#include <orc-test/orcarray.h>
#include <orc-test/orcrandom.h>
@@ -11,6 +15,15 @@
#include <stdio.h>
#include <math.h>
+#ifdef HAVE_MMAP
+#include <sys/mman.h>
+#endif
+
+#ifdef HAVE_MMAP
+/* This can be used to test non-zero high-32-bits of pointers. */
+//#define USE_MMAP
+#endif
+
#define EXTEND_ROWS 16
#define EXTEND_STRIDE 256
@@ -27,10 +40,15 @@ orc_array_new (int n, int m, int element_size, int misalignment,
{
OrcArray *ar;
void *data;
+#ifndef USE_MMAP
#ifdef HAVE_POSIX_MEMALIGN
int ret;
#endif
+#endif
int offset;
+#ifdef USE_MMAP
+ static unsigned long idx = 1;
+#endif
ar = malloc (sizeof(OrcArray));
memset (ar, 0, sizeof(OrcArray));
@@ -42,12 +60,19 @@ orc_array_new (int n, int m, int element_size, int misalignment,
ar->stride = (n*element_size + EXTEND_STRIDE);
ar->stride = (ar->stride + (ALIGNMENT-1)) & (~(ALIGNMENT-1));
ar->alloc_len = ar->stride * (m+2*EXTEND_ROWS) + (ALIGNMENT * element_size);
+ ar->alloc_len = (ar->alloc_len + 4095) & (~4095);
+#ifdef USE_MMAP
+ data = mmap ((void *)(idx<<32), ar->alloc_len, PROT_READ|PROT_WRITE,
+ MAP_FIXED|MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
+ idx++;
+#else
#ifdef HAVE_POSIX_MEMALIGN
ret = posix_memalign (&data, ALIGNMENT, ar->alloc_len);
#else
data = malloc (ar->alloc_len);
#endif
+#endif
ar->alloc_data = data;
if (alignment == 0) alignment = element_size;
@@ -55,14 +80,18 @@ orc_array_new (int n, int m, int element_size, int misalignment,
ar->data = ORC_PTR_OFFSET (ar->alloc_data,
ar->stride * EXTEND_ROWS + offset);
-
+
return ar;
}
void
orc_array_free (OrcArray *array)
{
+#ifdef USE_MMAP
+ munmap (array->alloc_data, array->alloc_len);
+#else
free (array->alloc_data);
+#endif
free (array);
}