We don't plumb this in yet as there are complications involved with binutils and cross-architectiure debugging but it is one step closer.
Example: ./tests/guest-debug/run-test.py \ --qemu ./aarch64-linux-user/qemu-aarch64 \ --qargs "-cpu max" \ --bin ./tests/tcg/aarch64-linux-user/hello \ --test ~/lsrc/qemu.git/tests/tcg/aarch64/gdbstub/test-sve.py \ --gdb /home/alex/src/tools/binutils-gdb.git/install/bin/gdb Signed-off-by: Alex Bennée <alex.ben...@linaro.org> --- tests/.gitignore | 1 + tests/tcg/aarch64/gdbstub/test-sve.py | 75 +++++++++++++++++++++++++++ 2 files changed, 76 insertions(+) create mode 100644 tests/tcg/aarch64/gdbstub/test-sve.py diff --git a/tests/.gitignore b/tests/.gitignore index f9c01708812..8cc428b58bb 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -10,6 +10,7 @@ qht-bench rcutorture test-* !test-*.c +!test-*.py !docker/test-* test-qapi-commands.[ch] include/test-qapi-commands-sub-module.[ch] diff --git a/tests/tcg/aarch64/gdbstub/test-sve.py b/tests/tcg/aarch64/gdbstub/test-sve.py new file mode 100644 index 00000000000..11bc96fc06d --- /dev/null +++ b/tests/tcg/aarch64/gdbstub/test-sve.py @@ -0,0 +1,75 @@ +from __future__ import print_function +# +# Test the SVE registers are visable and changeable via gdbstub +# +# This is launched via tests/guest-debug/run-test.py +# + +import gdb + +MAGIC = 0xDEADBEEF + +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" + + gdb.execute("info registers") + report(True, "info registers") + + gdb.execute("info registers vector") + report(True, "info registers vector") + + # Now all the zregs + frame = gdb.selected_frame() + for i in range(0, 32): + rname = "z%d" % (i) + zreg = frame.read_register(rname) + report(True, "Reading %s" % rname) + for j in range(0, 4): + cmd = "set $%s.q.u[%d] = 0x%x" % (rname, j, MAGIC) + gdb.execute(cmd) + report(True, "%s" % cmd) + for j in range(0, 4): + reg = "$%s.q.u[%d]" % (rname, j) + v = gdb.parse_and_eval(reg) + report(str(v.type) == "uint128_t", "size of %s" % (reg)) + for j in range(0, 8): + cmd = "set $%s.d.u[%d] = 0x%x" % (rname, j, MAGIC) + gdb.execute(cmd) + report(True, "%s" % cmd) + for j in range(0, 8): + reg = "$%s.d.u[%d]" % (rname, j) + v = gdb.parse_and_eval(reg) + report(str(v.type) == "uint64_t", "size of %s" % (reg)) + report(int(v) == MAGIC, "%s is 0x%x" % (reg, MAGIC)) + +# +# This runs as the script it sourced (via -x, via run-test.py) +# + +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: + print ("GDB Exception: %s" % (sys.exc_info()[0])) + failcount += 1 + +print("All tests complete: %d failures" % failcount) + +# Finally kill the inferior and exit gdb with a count of failures +gdb.execute("kill") +exit(failcount) -- 2.20.1