# Additional include paths needed by kselftest.h and local headers
CFLAGS += -D_GNU_SOURCE -std=gnu99 -I.
-TEST_GEN_FILES := testcases/mmap_default testcases/mmap_bottomup
+TEST_GEN_FILES := mmap_default mmap_bottomup
-TEST_PROGS := testcases/run_mmap.sh
+TEST_PROGS := run_mmap.sh
include ../../lib.mk
-$(OUTPUT)/mm: testcases/mmap_default.c testcases/mmap_bottomup.c testcases/mmap_tests.h
+$(OUTPUT)/mm: mmap_default.c mmap_bottomup.c mmap_tests.h
$(CC) -o$@ $(CFLAGS) $(LDFLAGS) $^
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+#include <sys/mman.h>
+#include <mmap_test.h>
+
+#include "../../kselftest_harness.h"
+
+TEST(infinite_rlimit)
+{
+// Only works on 64 bit
+#if __riscv_xlen == 64
+ struct addresses mmap_addresses;
+
+ EXPECT_EQ(BOTTOM_UP, memory_layout());
+
+ do_mmaps(&mmap_addresses);
+
+ EXPECT_NE(MAP_FAILED, mmap_addresses.no_hint);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_37_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_38_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_46_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_47_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_55_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_56_addr);
+
+ EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.no_hint);
+ EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_37_addr);
+ EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_38_addr);
+ EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_46_addr);
+ EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_47_addr);
+ EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_55_addr);
+ EXPECT_GT(1UL << 56, (unsigned long)mmap_addresses.on_56_addr);
+#endif
+}
+
+TEST_HARNESS_MAIN
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+#include <sys/mman.h>
+#include <mmap_test.h>
+
+#include "../../kselftest_harness.h"
+
+TEST(default_rlimit)
+{
+// Only works on 64 bit
+#if __riscv_xlen == 64
+ struct addresses mmap_addresses;
+
+ EXPECT_EQ(TOP_DOWN, memory_layout());
+
+ do_mmaps(&mmap_addresses);
+
+ EXPECT_NE(MAP_FAILED, mmap_addresses.no_hint);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_37_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_38_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_46_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_47_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_55_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_56_addr);
+
+ EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.no_hint);
+ EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_37_addr);
+ EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_38_addr);
+ EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_46_addr);
+ EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_47_addr);
+ EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_55_addr);
+ EXPECT_GT(1UL << 56, (unsigned long)mmap_addresses.on_56_addr);
+#endif
+}
+
+TEST_HARNESS_MAIN
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _TESTCASES_MMAP_TEST_H
+#define _TESTCASES_MMAP_TEST_H
+#include <sys/mman.h>
+#include <sys/resource.h>
+#include <stddef.h>
+
+#define TOP_DOWN 0
+#define BOTTOM_UP 1
+
+struct addresses {
+ int *no_hint;
+ int *on_37_addr;
+ int *on_38_addr;
+ int *on_46_addr;
+ int *on_47_addr;
+ int *on_55_addr;
+ int *on_56_addr;
+};
+
+static inline void do_mmaps(struct addresses *mmap_addresses)
+{
+ /*
+ * Place all of the hint addresses on the boundaries of mmap
+ * sv39, sv48, sv57
+ * User addresses end at 1<<38, 1<<47, 1<<56 respectively
+ */
+ void *on_37_bits = (void *)(1UL << 37);
+ void *on_38_bits = (void *)(1UL << 38);
+ void *on_46_bits = (void *)(1UL << 46);
+ void *on_47_bits = (void *)(1UL << 47);
+ void *on_55_bits = (void *)(1UL << 55);
+ void *on_56_bits = (void *)(1UL << 56);
+
+ int prot = PROT_READ | PROT_WRITE;
+ int flags = MAP_PRIVATE | MAP_ANONYMOUS;
+
+ mmap_addresses->no_hint =
+ mmap(NULL, 5 * sizeof(int), prot, flags, 0, 0);
+ mmap_addresses->on_37_addr =
+ mmap(on_37_bits, 5 * sizeof(int), prot, flags, 0, 0);
+ mmap_addresses->on_38_addr =
+ mmap(on_38_bits, 5 * sizeof(int), prot, flags, 0, 0);
+ mmap_addresses->on_46_addr =
+ mmap(on_46_bits, 5 * sizeof(int), prot, flags, 0, 0);
+ mmap_addresses->on_47_addr =
+ mmap(on_47_bits, 5 * sizeof(int), prot, flags, 0, 0);
+ mmap_addresses->on_55_addr =
+ mmap(on_55_bits, 5 * sizeof(int), prot, flags, 0, 0);
+ mmap_addresses->on_56_addr =
+ mmap(on_56_bits, 5 * sizeof(int), prot, flags, 0, 0);
+}
+
+static inline int memory_layout(void)
+{
+ int prot = PROT_READ | PROT_WRITE;
+ int flags = MAP_PRIVATE | MAP_ANONYMOUS;
+
+ void *value1 = mmap(NULL, sizeof(int), prot, flags, 0, 0);
+ void *value2 = mmap(NULL, sizeof(int), prot, flags, 0, 0);
+
+ return value2 > value1;
+}
+#endif /* _TESTCASES_MMAP_TEST_H */
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+original_stack_limit=$(ulimit -s)
+
+./mmap_default
+
+# Force mmap_bottomup to be ran with bottomup memory due to
+# the unlimited stack
+ulimit -s unlimited
+./mmap_bottomup
+ulimit -s $original_stack_limit
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-#include <sys/mman.h>
-#include <testcases/mmap_test.h>
-
-#include "../../kselftest_harness.h"
-
-TEST(infinite_rlimit)
-{
-// Only works on 64 bit
-#if __riscv_xlen == 64
- struct addresses mmap_addresses;
-
- EXPECT_EQ(BOTTOM_UP, memory_layout());
-
- do_mmaps(&mmap_addresses);
-
- EXPECT_NE(MAP_FAILED, mmap_addresses.no_hint);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_37_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_38_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_46_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_47_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_55_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_56_addr);
-
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.no_hint);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_37_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_38_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_46_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_47_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_55_addr);
- EXPECT_GT(1UL << 56, (unsigned long)mmap_addresses.on_56_addr);
-#endif
-}
-
-TEST_HARNESS_MAIN
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-#include <sys/mman.h>
-#include <testcases/mmap_test.h>
-
-#include "../../kselftest_harness.h"
-
-TEST(default_rlimit)
-{
-// Only works on 64 bit
-#if __riscv_xlen == 64
- struct addresses mmap_addresses;
-
- EXPECT_EQ(TOP_DOWN, memory_layout());
-
- do_mmaps(&mmap_addresses);
-
- EXPECT_NE(MAP_FAILED, mmap_addresses.no_hint);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_37_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_38_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_46_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_47_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_55_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_56_addr);
-
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.no_hint);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_37_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_38_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_46_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_47_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_55_addr);
- EXPECT_GT(1UL << 56, (unsigned long)mmap_addresses.on_56_addr);
-#endif
-}
-
-TEST_HARNESS_MAIN
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-#ifndef _TESTCASES_MMAP_TEST_H
-#define _TESTCASES_MMAP_TEST_H
-#include <sys/mman.h>
-#include <sys/resource.h>
-#include <stddef.h>
-
-#define TOP_DOWN 0
-#define BOTTOM_UP 1
-
-struct addresses {
- int *no_hint;
- int *on_37_addr;
- int *on_38_addr;
- int *on_46_addr;
- int *on_47_addr;
- int *on_55_addr;
- int *on_56_addr;
-};
-
-static inline void do_mmaps(struct addresses *mmap_addresses)
-{
- /*
- * Place all of the hint addresses on the boundaries of mmap
- * sv39, sv48, sv57
- * User addresses end at 1<<38, 1<<47, 1<<56 respectively
- */
- void *on_37_bits = (void *)(1UL << 37);
- void *on_38_bits = (void *)(1UL << 38);
- void *on_46_bits = (void *)(1UL << 46);
- void *on_47_bits = (void *)(1UL << 47);
- void *on_55_bits = (void *)(1UL << 55);
- void *on_56_bits = (void *)(1UL << 56);
-
- int prot = PROT_READ | PROT_WRITE;
- int flags = MAP_PRIVATE | MAP_ANONYMOUS;
-
- mmap_addresses->no_hint =
- mmap(NULL, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_37_addr =
- mmap(on_37_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_38_addr =
- mmap(on_38_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_46_addr =
- mmap(on_46_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_47_addr =
- mmap(on_47_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_55_addr =
- mmap(on_55_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_56_addr =
- mmap(on_56_bits, 5 * sizeof(int), prot, flags, 0, 0);
-}
-
-static inline int memory_layout(void)
-{
- int prot = PROT_READ | PROT_WRITE;
- int flags = MAP_PRIVATE | MAP_ANONYMOUS;
-
- void *value1 = mmap(NULL, sizeof(int), prot, flags, 0, 0);
- void *value2 = mmap(NULL, sizeof(int), prot, flags, 0, 0);
-
- return value2 > value1;
-}
-#endif /* _TESTCASES_MMAP_TEST_H */
+++ /dev/null
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-
-original_stack_limit=$(ulimit -s)
-
-./mmap_default
-
-# Force mmap_bottomup to be ran with bottomup memory due to
-# the unlimited stack
-ulimit -s unlimited
-./mmap_bottomup
-ulimit -s $original_stack_limit