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authorLirong Yuan2021-01-08 23:42:42 +0100
committerAlex Bennée2021-01-18 11:04:48 +0100
commit51c623b0de11df2d0a23f15d7484d4f940ed6142 (patch)
tree7b600b2dae3a85d9634c9f745c6efd04cfbfeeb3 /tests/tcg
parentgdbstub: implement a softmmu based test (diff)
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gdbstub: add support to Xfer:auxv:read: packet
This allows gdb to access the target’s auxiliary vector, which can be helpful for telling system libraries important details about the hardware, operating system, and process. Signed-off-by: Lirong Yuan <yuanzi@google.com> [AJB: minor tweaks to test case, update MAINTAINERS, restrict to Linux] Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200730193932.3654677-1-yuanzi@google.com> Message-Id: <20210108224256.2321-7-alex.bennee@linaro.org>
Diffstat (limited to 'tests/tcg')
-rw-r--r--tests/tcg/multiarch/Makefile.target9
-rw-r--r--tests/tcg/multiarch/gdbstub/test-qxfer-auxv-read.py57
2 files changed, 66 insertions, 0 deletions
diff --git a/tests/tcg/multiarch/Makefile.target b/tests/tcg/multiarch/Makefile.target
index cb49cc9ccb..1dd0f64d23 100644
--- a/tests/tcg/multiarch/Makefile.target
+++ b/tests/tcg/multiarch/Makefile.target
@@ -55,6 +55,15 @@ run-gdbstub-sha1: sha1
"basic gdbstub support")
EXTRA_RUNS += run-gdbstub-sha1
+
+run-gdbstub-qxfer-auxv-read: sha1
+ $(call run-test, $@, $(GDB_SCRIPT) \
+ --gdb $(HAVE_GDB_BIN) \
+ --qemu $(QEMU) --qargs "$(QEMU_OPTS)" \
+ --bin $< --test $(MULTIARCH_SRC)/gdbstub/test-qxfer-auxv-read.py, \
+ "basic gdbstub qXfer:auxv:read support")
+
+EXTRA_RUNS += run-gdbstub-sha1 run-gdbstub-qxfer-auxv-read
endif
diff --git a/tests/tcg/multiarch/gdbstub/test-qxfer-auxv-read.py b/tests/tcg/multiarch/gdbstub/test-qxfer-auxv-read.py
new file mode 100644
index 0000000000..d91e8fdf19
--- /dev/null
+++ b/tests/tcg/multiarch/gdbstub/test-qxfer-auxv-read.py
@@ -0,0 +1,57 @@
+from __future__ import print_function
+#
+# Test auxiliary vector is loaded via gdbstub
+#
+# This is launched via tests/guest-debug/run-test.py
+#
+
+import gdb
+import sys
+
+failcount = 0
+
+def report(cond, msg):
+ "Report success/fail of test"
+ if cond:
+ print ("PASS: %s" % (msg))
+ else:
+ print ("FAIL: %s" % (msg))
+ global failcount
+ failcount += 1
+
+def run_test():
+ "Run through the tests one by one"
+
+ auxv = gdb.execute("info auxv", False, True)
+ report(isinstance(auxv, str), "Fetched auxv from inferior")
+ report(auxv.find("sha1"), "Found test binary name in auxv")
+
+#
+# This runs as the script it sourced (via -x, via run-test.py)
+#
+try:
+ inferior = gdb.selected_inferior()
+ arch = inferior.architecture()
+ print("ATTACHED: %s" % arch.name())
+except (gdb.error, AttributeError):
+ print("SKIPPING (not connected)", file=sys.stderr)
+ exit(0)
+
+if gdb.parse_and_eval('$pc') == 0:
+ print("SKIP: PC not set")
+ exit(0)
+
+try:
+ # These are not very useful in scripts
+ gdb.execute("set pagination off")
+ gdb.execute("set confirm off")
+
+ # Run the actual tests
+ run_test()
+except (gdb.error):
+ print ("GDB Exception: %s" % (sys.exc_info()[0]))
+ failcount += 1
+ pass
+
+print("All tests complete: %d failures" % failcount)
+exit(failcount)