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| author | Lirong Yuan <yuanzi@google.com> | 2021-01-08 22:42:42 +0000 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2021-01-18 10:04:48 +0000 |
| commit | 51c623b0de11df2d0a23f15d7484d4f940ed6142 (patch) | |
| tree | 7b600b2dae3a85d9634c9f745c6efd04cfbfeeb3 /tests | |
| parent | c00506aa26e975918483d0d1fe17a2192d19098a (diff) | |
| download | focaccia-qemu-51c623b0de11df2d0a23f15d7484d4f940ed6142.tar.gz focaccia-qemu-51c623b0de11df2d0a23f15d7484d4f940ed6142.zip | |
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')
| -rw-r--r-- | tests/tcg/multiarch/Makefile.target | 9 | ||||
| -rw-r--r-- | tests/tcg/multiarch/gdbstub/test-qxfer-auxv-read.py | 57 |
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) |