tests/tcg/multiarch/gdbstub/sha1.py

   1 from __future__ import print_function
   2 #
   3 # A very simple smoke test for debugging the SHA1 userspace test on
   4 # each target.
   5 #
   6 # This is launched via tests/guest-debug/run-test.py
   7 #
   8
   9 import gdb
  10 from test_gdbstub import main, report
  11
  12
  13 initial_vlen = 0
  14
  15
  16 def check_break(sym_name):
  17     "Setup breakpoint, continue and check we stopped."
  18     sym, ok = gdb.lookup_symbol(sym_name)
  19     bp = gdb.Breakpoint(sym_name)
  20
  21     gdb.execute("c")
  22
  23     # hopefully we came back
  24     end_pc = gdb.parse_and_eval('$pc')
  25     report(bp.hit_count == 1,
  26            "break @ %s (%s %d hits)" % (end_pc, sym.value(), bp.hit_count))
  27
  28     bp.delete()
  29
  30
  31 def run_test():
  32     "Run through the tests one by one"
  33
  34     check_break("SHA1Init")
  35
  36     # Check step and inspect values. We do a double next after the
  37     # breakpoint as depending on the version of gdb we may step the
  38     # preamble and not the first actual line of source.
  39     gdb.execute("next")
  40     gdb.execute("next")
  41     val_ctx = gdb.parse_and_eval("context->state[0]")
  42     exp_ctx = 0x67452301
  43     report(int(val_ctx) == exp_ctx, "context->state[0] == %x" % exp_ctx);
  44
  45     gdb.execute("next")
  46     val_ctx = gdb.parse_and_eval("context->state[1]")
  47     exp_ctx = 0xEFCDAB89
  48     report(int(val_ctx) == exp_ctx, "context->state[1] == %x" % exp_ctx);
  49
  50     # finally check we don't barf inspecting registers
  51     gdb.execute("info registers")
  52
  53
  54 main(run_test)