sha1.py (2256B)
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 import sys 11 12 initial_vlen = 0 13 failcount = 0 14 15 def report(cond, msg): 16 "Report success/fail of test" 17 if cond: 18 print("PASS: %s" % (msg)) 19 else: 20 print("FAIL: %s" % (msg)) 21 global failcount 22 failcount += 1 23 24 def check_break(sym_name): 25 "Setup breakpoint, continue and check we stopped." 26 sym, ok = gdb.lookup_symbol(sym_name) 27 bp = gdb.Breakpoint(sym_name) 28 29 gdb.execute("c") 30 31 # hopefully we came back 32 end_pc = gdb.parse_and_eval('$pc') 33 report(bp.hit_count == 1, 34 "break @ %s (%s %d hits)" % (end_pc, sym.value(), bp.hit_count)) 35 36 bp.delete() 37 38 def run_test(): 39 "Run through the tests one by one" 40 41 check_break("SHA1Init") 42 43 # Check step and inspect values. We do a double next after the 44 # breakpoint as depending on the version of gdb we may step the 45 # preamble and not the first actual line of source. 46 gdb.execute("next") 47 gdb.execute("next") 48 val_ctx = gdb.parse_and_eval("context->state[0]") 49 exp_ctx = 0x67452301 50 report(int(val_ctx) == exp_ctx, "context->state[0] == %x" % exp_ctx); 51 52 gdb.execute("next") 53 val_ctx = gdb.parse_and_eval("context->state[1]") 54 exp_ctx = 0xEFCDAB89 55 report(int(val_ctx) == exp_ctx, "context->state[1] == %x" % exp_ctx); 56 57 # finally check we don't barf inspecting registers 58 gdb.execute("info registers") 59 60 # 61 # This runs as the script it sourced (via -x, via run-test.py) 62 # 63 try: 64 inferior = gdb.selected_inferior() 65 arch = inferior.architecture() 66 print("ATTACHED: %s" % arch.name()) 67 except (gdb.error, AttributeError): 68 print("SKIPPING (not connected)", file=sys.stderr) 69 exit(0) 70 71 if gdb.parse_and_eval('$pc') == 0: 72 print("SKIP: PC not set") 73 exit(0) 74 75 try: 76 # These are not very useful in scripts 77 gdb.execute("set pagination off") 78 gdb.execute("set confirm off") 79 80 # Run the actual tests 81 run_test() 82 except (gdb.error): 83 print ("GDB Exception: %s" % (sys.exc_info()[0])) 84 failcount += 1 85 pass 86 87 print("All tests complete: %d failures" % failcount) 88 exit(failcount)