def reg_process(dummy, cpu, param):
fname = ""
try :
fname = copyout_str(cpu, cpu.edx)
except :
cs410_utils.log('410-warning', '410mods-userdebug.py: Unable to read string at %x; not registering process' % cpu.edx)
return
if fname == "" or '/' in fname:
return
cr3 = cpu.ecx
sname = "prog-"+fname
user_process_registry[cr3] = sname
# see if symbol table for fname exists.
# if not make it and load the symbols.
try:
SIM_get_object(sname)
### FIXME We would like to empty the symbol table if
### it exists, but we'll do the best we can by reloading
### symbols below.
except SimExc_General:
cs410_utils.alone(make_new_symtable, sname, fname, cr3)
cs410_utils.alone(switch_current_symtable, cpu)
def reg_process(dummy, cpu, param):
global user_process_registry
fname = ""
try :
fname = copyout_str(cpu, cpu.edx)
except :
cs410_utils.log('410-warning', '410mods-userdebug.py: Unable to read string at %x; not registering process' % cpu.edx)
return
if fname == "" or '/' in fname:
return
cr3 = cpu.ecx
sname = fname+"_prog"
user_process_registry[cr3] = sname
# see if symbol table for fname exists.
# if not make it and load the symbols.
try:
SIM_get_object(sname)
### FIXME We would like to empty the symbol table if
### it exists, but we'll do the best we can by reloading
### symbols below.
except SimExc_General:
cs410_utils.alone(make_new_symtable, sname, fname, cr3)
cs410_utils.alone(switch_current_symtable, cpu)
def unreg_process(dummy, cpu, param):
# unregister user process
global user_process_registry
cr3 = cpu.ecx
if user_process_registry.has_key(cr3):
s = user_process_registry[cr3]
del user_process_registry[cr3]
cs410_utils.alone(switch_current_symtable, cpu)
def unreg_process(dummy, cpu, param):
# unregister user process
global user_process_registry
cr3 = cpu.ecx
if user_process_registry.has_key(cr3):
s = user_process_registry[cr3]
del user_process_registry[cr3]
cs410_utils.alone(switch_current_symtable, cpu)
def hbrk(h, b, brknum, m): cpu = SIM_current_processor() print "Invalid memory access detected:" print "eip = 0x%08x, va = 0x%08x, pa = 0x%08x" % \ (cpu.iface.processor_info.get_program_counter(), \ SIM_get_mem_op_virtual_address(m), \ SIM_get_mem_op_physical_address(m)) print "Delivering Exception 18..." cs410_utils.alone(switcher, cpu) return
if (os.path.isfile(str)):
# Load all subsequent symbol tables with this source as well
kern_path = str
usersym = "deflsym"
sp = ""
for p in [working_dir + "/", user_src_path, test_src_path]:
if os.path.exists(p):
sp += p + ";"
def to_do_alone(cpu, times, error):
cli.run_command("%s.source-path \"%s\"" % (usersym, sp[:-1]))
cli.run_command("%s.load-symbols %s" % (usersym, str))
cli.run_command("system.cell_context.symtable %s" % usersym)
if len(sp) > 0:
boot_callbacks.insert(0, to_do_alone)
else:
print "No such kernel image: '%s'; symbolic debugging won't work." % str
error = 1
def run_callbacks():
for x in boot_callbacks:
x(cpu, cs410_dispatch.kernel_up, error)
cs410_utils.alone(run_callbacks)
cs410_dispatch.add_simcall(booted)
def reg_child(dummy, cpu, param):
child_cr3 = cpu.ecx
parent_cr3 = cpu.edx
user_process_registry[child_cr3] = user_process_registry[parent_cr3]
cs410_utils.alone(switch_current_symtable, cpu)
def switch_symtable(cr3):
if user_process_registry.has_key(cr3):
cs410_utils.alone(cli.quiet_run_command,"system.cell_context.symtable %s" %
user_process_registry[cr3])
else:
cs410_utils.alone(cli.quiet_run_command,"system.cell_context.symtable deflsym")
def reg_child(dummy, cpu, param):
child_cr3 = cpu.ecx
parent_cr3 = cpu.edx
user_process_registry[child_cr3] = user_process_registry[parent_cr3]
cs410_utils.alone(switch_current_symtable, cpu)
def swat(dummy, cpu, param):
cs410_utils.alone(swat_help, dummy, cpu, param)
def swat(dummy, cpu, param):
cs410_utils.alone(swat_help, dummy, cpu, param)