[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v2 2/2] tests/tcg/x86_64: add vsyscall smoke test
From: |
Ilya Leoshkevich |
Subject: |
[PATCH v2 2/2] tests/tcg/x86_64: add vsyscall smoke test |
Date: |
Wed, 19 May 2021 06:57:38 +0200 |
Having a small test will prevent trivial regressions in the future.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
tests/tcg/x86_64/Makefile.target | 6 +++++-
tests/tcg/x86_64/vsyscall.c | 12 ++++++++++++
2 files changed, 17 insertions(+), 1 deletion(-)
create mode 100644 tests/tcg/x86_64/vsyscall.c
diff --git a/tests/tcg/x86_64/Makefile.target b/tests/tcg/x86_64/Makefile.target
index 20bf96202a..2151ea6302 100644
--- a/tests/tcg/x86_64/Makefile.target
+++ b/tests/tcg/x86_64/Makefile.target
@@ -3,14 +3,18 @@
# x86_64 tests - included from tests/tcg/Makefile.target
#
# Currently we only build test-x86_64 and test-i386-ssse3 from
-# $(SRC)/tests/tcg/i386/
+# $(SRC_PATH)/tests/tcg/i386/
#
include $(SRC_PATH)/tests/tcg/i386/Makefile.target
+X86_64_TESTS += vsyscall
TESTS=$(MULTIARCH_TESTS) $(X86_64_TESTS) test-x86_64
QEMU_OPTS += -cpu max
test-x86_64: LDFLAGS+=-lm -lc
test-x86_64: test-i386.c test-i386.h test-i386-shift.h test-i386-muldiv.h
$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)
+
+vsyscall: $(SRC_PATH)/tests/tcg/x86_64/vsyscall.c
+ $(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)
diff --git a/tests/tcg/x86_64/vsyscall.c b/tests/tcg/x86_64/vsyscall.c
new file mode 100644
index 0000000000..786b047053
--- /dev/null
+++ b/tests/tcg/x86_64/vsyscall.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include <time.h>
+
+#define VSYSCALL_PAGE 0xffffffffff600000
+#define TIME_OFFSET 0x400
+typedef time_t (*time_func)(time_t *);
+
+int main(void)
+{
+ printf("%ld\n", ((time_func)(VSYSCALL_PAGE + TIME_OFFSET))(NULL));
+ return 0;
+}
--
2.31.1