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From: Ilya Leoshkevich <iii@linux.ibm.com>
To: Cornelia Huck <cohuck@redhat.com>,
	Peter Maydell <peter.maydell@linaro.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Eduardo Habkost <ehabkost@redhat.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
	qemu-devel@nongnu.org, Ilya Leoshkevich <iii@linux.ibm.com>
Subject: [PATCH 2/2] tests/tcg/x86_64: add vsyscall smoke test
Date: Wed, 12 May 2021 06:02:50 +0200	[thread overview]
Message-ID: <20210512040250.203953-3-iii@linux.ibm.com> (raw)
In-Reply-To: <20210512040250.203953-1-iii@linux.ibm.com>

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      | 11 +++++++++++
 2 files changed, 16 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..b9b7f87459
--- /dev/null
+++ b/tests/tcg/x86_64/vsyscall.c
@@ -0,0 +1,11 @@
+#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));
+}
-- 
2.29.2



  parent reply	other threads:[~2021-05-12  4:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-12  4:02 [PATCH 0/2] target/i386: Make sure that vsyscall's tb->size != 0 Ilya Leoshkevich
2021-05-12  4:02 ` [PATCH 1/2] " Ilya Leoshkevich
2021-05-14 14:30   ` Richard Henderson
2021-05-12  4:02 ` Ilya Leoshkevich [this message]
2021-05-14 14:30   ` [PATCH 2/2] tests/tcg/x86_64: add vsyscall smoke test Richard Henderson
2021-05-17 12:52   ` Cornelia Huck
2021-05-17 14:30     ` Ilya Leoshkevich

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