X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/fe8ab488e9161c46dd9885d58fc52996dc0249ff..ecc0ceb4089d506a0b8d16686a95817b331af9cb:/tools/lldbmacros/ipc.py?ds=sidebyside diff --git a/tools/lldbmacros/ipc.py b/tools/lldbmacros/ipc.py index ec783959f..f06087393 100644 --- a/tools/lldbmacros/ipc.py +++ b/tools/lldbmacros/ipc.py @@ -7,6 +7,7 @@ from utils import * from process import * from atm import * from bank import * +from waitq import * import xnudefines @header("{0: <20s} {1: <6s} {2: <6s} {3: <10s} {4: <15s}".format("task", "pid", '#acts', "tablesize", "command")) @@ -27,7 +28,7 @@ def GetTaskIPCSummary(task): @header("{0: <20s} {1: <28s} {2: <12s} {3: <6s} {4: <4s} {5: <20s} {6: <4s}\n".format( "port", "mqueue", "recvname", "flags", "refs", "recvname", "dest")) -def GetPortSummary(port, show_kmsg_summary=True, prefix=""): +def PrintPortSummary(port, show_kmsg_summary=True, prefix=""): """ Display a port's summary params: port : core.value representing a port in the kernel @@ -52,17 +53,17 @@ def GetPortSummary(port, show_kmsg_summary=True, prefix=""): unsigned(portp.ip_messages.data.port.receiver_name), "DPort", portp.ip_object.io_references, unsigned(portp), "inactive-port") - + print out_string if show_kmsg_summary: kmsgp = Cast(portp.ip_messages.data.port.messages.ikmq_base, 'ipc_kmsg_t') - out_string += prefix + GetKMsgSummary.header + prefix + GetKMsgSummary(kmsgp) - - kmsgheadp = kmsgp - kmsgp = kmsgp.ikm_next - while (kmsgp) != (kmsgheadp): - out_string += prefix + GetKMsgSummary(kmsgp) + if unsigned(kmsgp): + print prefix + GetKMsgSummary.header + prefix + GetKMsgSummary(kmsgp, prefix) + kmsgheadp = kmsgp kmsgp = kmsgp.ikm_next - return out_string + while (kmsgp) != (kmsgheadp): + print prefix + GetKMsgSummary(kmsgp, prefix) + kmsgp = kmsgp.ikm_next + return def GetPortDestProc(portp): """ Display the name and pid of a given port's receiver @@ -85,9 +86,9 @@ def GetPortDestProc(portp): return out_str -@header("{0: <20s} {1: <28s} {2: <12s} {3: <6s} {4: <6s} {5: <19s} {6: <26s} {7: <26s}\n".format( - "dest-port", "kmsg", "msgid", "disp", "size", "reply-port", "source", "destination")) -def GetKMsgSummary(kmsgp): +@header("{:<20s} {:<28s} {:<12s} {:<8s} {:<6s} {:<19s} {:<26s} {:<26s}\n".format( + "", "kmsg", "msgid", "disp", "size", "reply-port", "source", "destination")) +def GetKMsgSummary(kmsgp, prefix_str=""): """ Display a summary for type ipc_kmsg_t params: kmsgp : core.value representing the given ipc_kmsg_t struct @@ -97,25 +98,61 @@ def GetKMsgSummary(kmsgp): kmsghp = kmsgp.ikm_header kmsgh = dereference(kmsghp) out_string = "" - out_string += "{0: <19s} {1: <#019x} {2: <8s} {3: <#011x} ".format( - ' '*19, unsigned(kmsgp), ' '*8, kmsgh.msgh_id) + out_string += "{0: <20s} {1: <#019x} {2: <8s} {3: <#011x} ".format( + ' ', unsigned(kmsgp), ' '*8, kmsgh.msgh_id) + prefix_str = "{0: <20s} ".format(' ') + prefix_str + disposition = "" + bits = kmsgh.msgh_bits & 0xff - if (kmsgh.msgh_bits & 0xff) == 17: - out_string += "{0: <2s}".format("rS") + # remote port + if bits == 17: + disposition = "rS" + elif bits == 18: + disposition = "rO" + else : + disposition = "rX" # invalid + + out_string += "{0: <2s}".format(disposition) + + # local port + disposition = "" + bits = (kmsgh.msgh_bits & 0xff00) >> 8 + + if bits == 17: + disposition = "lS" + elif bits == 18: + disposition = "lO" + elif bits == 0: + disposition = "l-" else: - out_string += "{0: <2s}".format("rO") + disposition = "lX" # invalid + + out_string += "{0: <2s}".format(disposition) - if (kmsgh.msgh_bits & 0xff00) == (17 << 8): - out_string += "{0: <2s}".format("lS") + # voucher + disposition = "" + bits = (kmsgh.msgh_bits & 0xff0000) >> 16 + + if bits == 17: + disposition = "vS" + elif bits == 0: + disposition = "v-" else: - if (kmsgh.msgh_bits & 0xff00) == (18 << 8): - out_string += "{0: <2s}".format("lO") - else: - out_string += "{0: <2s}".format("l-") - if kmsgh.msgh_bits & 0xf0000000: - out_string += "{0: <2s}".format("c") + disposition = "vX" + + out_string += "{0: <2s}".format(disposition) + + # complex message + if kmsgh.msgh_bits & 0x80000000: + out_string += "{0: <1s}".format("c") else: - out_string += "{0: <2s}".format("s") + out_string += "{0: <1s}".format("s") + + # importance boost + if kmsgh.msgh_bits & 0x20000000: + out_string += "{0: <1s}".format("I") + else: + out_string += "{0: <1s}".format("-") dest_proc_name = "" if kmsgp.ikm_header.msgh_remote_port: @@ -124,8 +161,48 @@ def GetKMsgSummary(kmsgp): out_string += "{0: ^6d} {1: <#019x} {2: <26s} {3: <26s}\n".format( unsigned(kmsgh.msgh_size), unsigned(kmsgh.msgh_local_port), GetKMsgSrc(kmsgp), dest_proc_name) + + if kmsgh.msgh_bits & 0x80000000: + out_string += prefix_str + "\t" + GetKMsgBody.header + "\n" + out_string += prefix_str + "\t" + GetKMsgBody(kmsgp, prefix_str + "\t") + "\n" + + return out_string + +@header("{: <20s} {: <20s} {: <10s}".format("descriptor", "address", "size")) +def GetMachMsgOOLDescriptorSummary(desc): + """ Returns description for mach_msg_ool_descriptor_t * object + """ + format_string = "{: <#020x} {: <#020x} {: <#010x}" + out_string = format_string.format(desc, desc.address, desc.size) return out_string +@header("{: <20s} {: <8s} {: <20s} {: <10s} {: <20s}".format("kmsgheader", "size", "body", "ds_count", "dsc_head")) +def GetKMsgBody(kmsgp, prefix_str=""): + """ Routine that prints a complex kmsg's body + """ + kmsghp = kmsgp.ikm_header + kmsgh = dereference(kmsghp) + format_string = "{: <#020x} {: <#08x} {: <#020x} {: <#010x} {: <#020x}" + out_string = "" + body = Cast(addressof(kmsghp[1]), 'mach_msg_body_t *') + dsc_count = body.msgh_descriptor_count + + dschead = Cast(addressof(body[1]), 'mach_msg_descriptor_t *') + out_string += format_string.format(kmsghp, sizeof(dereference(kmsghp)), body, unsigned(dsc_count), dschead) + + for i in range(dsc_count): + dsc = dschead[i] + out_string += "\n" + prefix_str + "Descriptor: " + xnudefines.mach_msg_type_descriptor_strings[unsigned(dsc.type.type)] + if unsigned(dsc.type.type) == 0: + # its a port. + p = dsc.port.name + out_string += " name: {: <#20x}".format(p) + elif unsigned(dsc.type.type) in (1,3): + # its OOL DESCRIPTOR or OOL VOLATILE DESCRIPTOR + ool = dsc.out_of_line + out_string += " " + GetMachMsgOOLDescriptorSummary(addressof(ool)) + return out_string + def GetKMsgSrc(kmsgp): """ Routine that prints a kmsg's source process and pid details params: @@ -138,9 +215,44 @@ def GetKMsgSrc(kmsgp): return "{0:s} ({1:d})".format(GetProcNameForPid(kmsgpid), kmsgpid) + +def PrintPortSetMembers(space, setid, show_kmsg_summary): + """ Print out the members of a given IPC PSet + """ + num_entries = int(space.is_table_size) + is_tableval = space.is_table + setid_str = GetWaitqSetidString(setid) + + prefix_str = "{0:<21s}".format(' '*21) + once = True + verbose = False + if config['verbosity'] > vHUMAN: + verbose = True + + idx = 0 + while idx < num_entries: + entryval = GetObjectAtIndexFromArray(is_tableval, idx) + ie_bits = unsigned(entryval.ie_bits) + if not (ie_bits & 0x00180000): + # It's a port entry that's _not_ dead + portval = Cast(entryval.ie_object, 'ipc_port_t') + waitq = addressof(portval.ip_messages.data.port.waitq) + psets = GetWaitqSets(addressof(portval.ip_messages.data.port.waitq)) + for ps in psets: + if ps == setid_str: + if once: + once = False + print "{:s}\n{:s}{:s}".format(GetPortDestProc(portval), prefix_str, PrintPortSummary.header) + PrintPortSummary(portval, show_kmsg_summary, prefix_str) + if verbose: + sys.stderr.write('{:d}/{:d}... \r'.format(idx, num_entries)) + idx += 1 + return + + @header("{0: <20s} {1: <28s} {2: <12s} {3: <6s} {4: <6s} {5: <20s} {6: <7s}\n".format( "portset", "waitqueue", "recvname", "flags", "refs", "recvname", "process")) -def GetPortSetSummary(pset): +def PrintPortSetSummary(pset, space = 0): """ Display summary for a given struct ipc_pset * params: pset : core.value representing a pset in the kernel @@ -148,7 +260,13 @@ def GetPortSetSummary(pset): str : string of summary information for the given pset """ out_str = "" + show_kmsg_summary = False + if config['verbosity'] > vHUMAN : + show_kmsg_summary = True + + setid = 0 if pset.ips_object.io_bits & 0x80000000: + setid = pset.ips_messages.data.pset.setq.wqset_id out_str += "{0: #019x} {1: #019x} {2: <7s} {3: #011x} {4: <4s} {5: >6d} {6: #019x} ".format( unsigned(pset), addressof(pset.ips_messages), ' '*7, pset.ips_messages.data.pset.local_name, "ASet", @@ -161,20 +279,12 @@ def GetPortSetSummary(pset): pset.ips_messages.data.pset.local_name, "DSet", pset.ips_object.io_references, pset.ips_messages.data.pset.local_name) - - once = True - setlinksp = addressof(pset.ips_messages.data.pset.set_queue.wqs_setlinks) - wql = Cast(pset.ips_messages.data.pset.set_queue.wqs_setlinks.next, 'WaitQueueLink *') - portoff = getfieldoffset('struct ipc_port', 'ip_messages') - prefix_str = "{0:<21s}".format(' '*21) - while unsigned(wql) != unsigned(Cast(setlinksp, 'void *')): - portp = kern.GetValueFromAddress(unsigned(wql.wql_element.wqe_queue) - portoff, 'ipc_port *') - if once: - once = False - out_str += "{0:s}\n{1:s}{2:s}".format(GetPortDestProc(portp), prefix_str, GetPortSummary.header) - out_str += GetPortSummary(portp, False, prefix_str) - wql = Cast(wql.wql_setlinks.next, 'WaitQueueLink *') - return out_str + print out_str + + if setid != 0 and space != 0: + PrintPortSetMembers(space, setid, show_kmsg_summary) + + return # Macro: showipc @@ -191,8 +301,8 @@ def ShowIPC(cmd_args=None): if not ipc: print "unknown arguments:", str(cmd_args) return False - print GetIPCInformation.header - print GetIPCInformation(ipc, False, False) + print PrintIPCInformation.header + PrintIPCInformation(ipc, False, False) # EndMacro: showipc @@ -230,8 +340,8 @@ def ShowAllIPC(cmd_args=None): print GetTaskSummary.header + " " + GetProcSummary.header pval = Cast(t.bsd_info, 'proc *') print GetTaskSummary(t) + " " + GetProcSummary(pval) - print GetIPCInformation.header - print GetIPCInformation(t.itk_space, False, False) + "\n\n" + print PrintIPCInformation.header + PrintIPCInformation(t.itk_space, False, False) + "\n\n" # EndMacro: showallipc @@ -318,18 +428,31 @@ def GetPortDestinationSummary(port): return out_str @lldb_type_summary(['ipc_entry_t']) -@header("{0: <20s} {1: <20s} {2: <8s} {3: <8s} {4: <20s} {5: <20s}".format("object", "name","rite", "urefs", "destname", "destination")) -def GetIPCEntrySummary(entry, ipc_name=''): +@header("{: <20s} {: <20s} {: <8s} {: <8s} {: <8s} {: <8s} {: <20s} {: <20s}".format("object", "name","rite", "urefs", "nsets", "nmsgs", "destname", "destination")) +def GetIPCEntrySummary(entry, ipc_name='', rights_filter=0): """ Get summary of a ipc entry. params: entry - core.value representing ipc_entry_t in the kernel ipc_name - str of format '0x0123' for display in summary. returns: str - string of ipc entry related information + + types of rights: + 'Dead' : Dead name + 'Set' : Port set + 'S' : Send right + 'R' : Receive right + 'O' : Send-once right + types of notifications: + 's' : Send-Possible notification armed + 'd' : Send-Possible notification requested + 'n' : Dead-Name notification requested + 'c' : ??? + 'x' : No-Senders notification requested """ out_str = '' entry_ptr = int(hex(entry), 16) - format_string = "{0: <#020x} {1: <12s} {2: <8s} {3: <8d} {4: <20s} {5: <20s}" + format_string = "{: <#020x} {: <12s} {: <8s} {: <8d} {: <8d} {: <8d} {: <20s} {: <20s}" right_str = '' destname_str = '' destination_str = '' @@ -337,19 +460,29 @@ def GetIPCEntrySummary(entry, ipc_name=''): ie_object = entry.ie_object ie_bits = int(entry.ie_bits) urefs = int(ie_bits & 0xffff) + nsets = 0 + nmsgs = 0 if ie_bits & 0x00100000 : right_str = 'Dead' elif ie_bits & 0x00080000: right_str = 'Set' + psetval = Cast(ie_object, 'ipc_pset *') + set_str = GetWaitqSets(addressof(psetval.ips_messages.data.pset.setq.wqset_q)) + nsets = len(set_str) + nmsgs = 0 else: if ie_bits & 0x00010000 : if ie_bits & 0x00020000 : + # SEND + RECV right_str = 'SR' else: + # SEND only right_str = 'S' elif ie_bits & 0x00020000: + # RECV only right_str = 'R' elif ie_bits & 0x00040000 : + # SEND_ONCE right_str = 'O' portval = Cast(ie_object, 'ipc_port_t') if int(entry.index.request) != 0: @@ -357,15 +490,24 @@ def GetIPCEntrySummary(entry, ipc_name=''): sorightval = requestsval[int(entry.index.request)].notify.port soright_ptr = unsigned(sorightval) if soright_ptr != 0: + # send-possible armed if soright_ptr & 0x1 : right_str +='s' + # send-possible requested elif soright_ptr & 0x2 : right_str +='d' + # dead-name notification requested else : right_str +='n' + # XXX: What does this bit mean? if ie_bits & 0x00800000 : right_str +='c' + # No-senders notification requested if portval.ip_nsrequest != 0: right_str +='x' # now show the port destination part destname_str = GetPortDestinationSummary(Cast(ie_object, 'ipc_port_t')) - - out_str = format_string.format(ie_object, ipc_name, right_str, urefs, destname_str, destination_str) + # Get the number of sets to which this port belongs + set_str = GetWaitqSets(addressof(portval.ip_messages.data.port.waitq)) + nsets = len(set_str) + nmsgs = portval.ip_messages.data.port.msgcount + if rights_filter == 0 or rights_filter == right_str: + out_str = format_string.format(ie_object, ipc_name, right_str, urefs, nsets, nmsgs, destname_str, destination_str) return out_str @header("{0: >20s}".format("user bt") ) @@ -391,12 +533,12 @@ def GetPortUserStack(port, task): return out_str @lldb_type_summary(['ipc_space *']) -@header("{0: <20s} {1: <20s} {2: <20s} {3: <8s} {4: <10s} {5: <16s} {6: <10s} {7: <7s}".format('ipc_space', 'is_task', 'is_table', 'flags', 'ports', 'table_next', 'low_mod', 'high_mod')) -def GetIPCInformation(space, show_entries=False, show_userstack=False): +@header("{0: <20s} {1: <20s} {2: <20s} {3: <8s} {4: <10s} {5: <18s} {6: >8s} {7: <8s}".format('ipc_space', 'is_task', 'is_table', 'flags', 'ports', 'table_next', 'low_mod', 'high_mod')) +def PrintIPCInformation(space, show_entries=False, show_userstack=False, rights_filter=0): """ Provide a summary of the ipc space """ out_str = '' - format_string = "{0: <#020x} {1: <#020x} {2: <#020x} {3: <8s} {4: <10d} {5: <#01x} {6: >10d} {7: >10d}" + format_string = "{0: <#020x} {1: <#020x} {2: <#020x} {3: <8s} {4: <10d} {5: <#18x} {6: >8d} {7: <8d}" is_tableval = space.is_table ports = int(space.is_table_size) flags ='' @@ -404,11 +546,11 @@ def GetIPCInformation(space, show_entries=False, show_userstack=False): if (is_bits & 0x40000000) == 0: flags +='A' else: flags += ' ' if (is_bits & 0x20000000) != 0: flags +='G' - out_str += format_string.format(space, space.is_task, space.is_table, flags, space.is_table_size, space.is_table_next, space.is_low_mod, space.is_high_mod) + print format_string.format(space, space.is_task, space.is_table, flags, space.is_table_size, space.is_table_next, space.is_low_mod, space.is_high_mod) #should show the each individual entries if asked. if show_entries == True: - out_str += "\n\t" + GetIPCEntrySummary.header + "\n" + print "\t" + GetIPCEntrySummary.header num_entries = ports index = 0 while index < num_entries: @@ -416,22 +558,41 @@ def GetIPCInformation(space, show_entries=False, show_userstack=False): entry_ie_bits = unsigned(entryval.ie_bits) if (int(entry_ie_bits) & 0x001f0000 ) != 0: entry_name = "{0: <#020x}".format( (index <<8 | entry_ie_bits >> 24) ) - out_str += "\t" + GetIPCEntrySummary(entryval, entry_name) + "\n" - if show_userstack == True: - entryport = Cast(entryval.ie_object, 'ipc_port *') - if entryval.ie_object and (int(entry_ie_bits) & 0x00070000) and entryport.ip_callstack[0]: - out_str += GetPortUserStack.header - out_str += GetPortUserStack(entryport, space.is_task) - index +=1 + entry_str = GetIPCEntrySummary(entryval, entry_name, rights_filter) + if len(entry_str) > 0: + print " \r\t" + entry_str + if show_userstack == True: + entryport = Cast(entryval.ie_object, 'ipc_port *') + if entryval.ie_object and (int(entry_ie_bits) & 0x00070000) and entryport.ip_callstack[0]: + print GetPortUserStack.header + GetPortUserStack(entryport, space.is_task) + else: + # give some progress indication (this is especially + # helpful for tasks with large sets of rights) + sys.stderr.write(' {:d}/{:d}...\r'.format(index, num_entries)) + index += 1 #done with showing entries return out_str # Macro: showrights -@lldb_command('showrights') -def ShowRights(cmd_args=None): +@lldb_command('showrights', 'R:') +def ShowRights(cmd_args=None, cmd_options={}): """ Routine to print rights information for the given IPC space - Usage: showrights
+ Usage: showrights [-R rights_type]
+ -R rights_type : only display rights matching the string 'rights_type' + + types of rights: + 'Dead' : Dead name + 'Set' : Port set + 'S' : Send right + 'R' : Receive right + 'O' : Send-once right + types of notifications (append to rights type string): + 's' : Send-Possible notification armed + 'd' : Send-Possible notification requested + 'n' : Dead-Name notification requested + 'c' : ??? + 'x' : No-Senders notification requested """ if not cmd_args: print "No arguments passed" @@ -441,15 +602,32 @@ def ShowRights(cmd_args=None): if not ipc: print "unknown arguments:", str(cmd_args) return False - print GetIPCInformation.header - print GetIPCInformation(ipc, True, False) + rights_type = 0 + if "-R" in cmd_options: + rights_type = cmd_options["-R"] + print PrintIPCInformation.header + PrintIPCInformation(ipc, True, False, rights_type) # EndMacro: showrights -@lldb_command('showtaskrights') -def ShowTaskRights(cmd_args=None): +@lldb_command('showtaskrights','R:') +def ShowTaskRights(cmd_args=None, cmd_options={}): """ Routine to ipc rights information for a task - Usage: showtaskrights + Usage: showtaskrights [-R rights_type] + -R rights_type : only display rights matching the string 'rights_type' + + types of rights: + 'Dead' : Dead name + 'Set' : Port set + 'S' : Send right + 'R' : Receive right + 'O' : Send-once right + types of notifications (append to rights type string): + 's' : Send-Possible notification armed + 'd' : Send-Possible notification requested + 'n' : Dead-Name notification requested + 'c' : ??? + 'x' : No-Senders notification requested """ if cmd_args == None: print "No arguments passed" @@ -459,18 +637,35 @@ def ShowTaskRights(cmd_args=None): if not tval: print "unknown arguments:", str(cmd_args) return False + rights_type = 0 + if "-R" in cmd_options: + rights_type = cmd_options["-R"] print GetTaskSummary.header + " " + GetProcSummary.header pval = Cast(tval.bsd_info, 'proc *') print GetTaskSummary(tval) + " " + GetProcSummary(pval) - print GetIPCInformation.header - print GetIPCInformation(tval.itk_space, True, False) + print PrintIPCInformation.header + PrintIPCInformation(tval.itk_space, True, False, rights_type) # Macro: showataskrightsbt -@lldb_command('showtaskrightsbt') -def ShowTaskRightsBt(cmd_args=None): +@lldb_command('showtaskrightsbt', 'R:') +def ShowTaskRightsBt(cmd_args=None, cmd_options={}): """ Routine to ipc rights information with userstacks for a task - Usage: showtaskrightsbt + Usage: showtaskrightsbt [-R rights_type] + -R rights_type : only display rights matching the string 'rights_type' + + types of rights: + 'Dead' : Dead name + 'Set' : Port set + 'S' : Send right + 'R' : Receive right + 'O' : Send-once right + types of notifications (append to rights type string): + 's' : Send-Possible notification armed + 'd' : Send-Possible notification requested + 'n' : Dead-Name notification requested + 'c' : ??? + 'x' : No-Senders notification requested """ if cmd_args == None: print "No arguments passed" @@ -480,28 +675,48 @@ def ShowTaskRightsBt(cmd_args=None): if not tval: print "unknown arguments:", str(cmd_args) return False + rights_type = 0 + if "-R" in cmd_options: + rights_type = cmd_options["-R"] print GetTaskSummary.header + " " + GetProcSummary.header pval = Cast(tval.bsd_info, 'proc *') print GetTaskSummary(tval) + " " + GetProcSummary(pval) - print GetIPCInformation.header - print GetIPCInformation(tval.itk_space, True, True) + print PrintIPCInformation.header + PrintIPCInformation(tval.itk_space, True, True, rights_type) # EndMacro: showtaskrightsbt # Macro: showallrights -@lldb_command('showallrights') -def ShowAllRights(cmd_args=None): +@lldb_command('showallrights', 'R:') +def ShowAllRights(cmd_args=None, cmd_options={}): """ Routine to print rights information for IPC space of all tasks - Usage: showallrights + Usage: showallrights [-R rights_type] + -R rights_type : only display rights matching the string 'rights_type' + + types of rights: + 'Dead' : Dead name + 'Set' : Port set + 'S' : Send right + 'R' : Receive right + 'O' : Send-once right + types of notifications (append to rights type string): + 's' : Send-Possible notification armed + 'd' : Send-Possible notification requested + 'n' : Dead-Name notification requested + 'c' : ??? + 'x' : No-Senders notification requested """ + rights_type = 0 + if "-R" in cmd_options: + rights_type = cmd_options["-R"] for t in kern.tasks: print GetTaskSummary.header + " " + GetProcSummary.header pval = Cast(t.bsd_info, 'proc *') print GetTaskSummary(t) + " " + GetProcSummary(pval) try: - print GetIPCInformation.header - print GetIPCInformation(t.itk_space, True, False) + "\n\n" + print PrintIPCInformation.header + PrintIPCInformation(t.itk_space, True, False, rights_type) + "\n\n" except (KeyboardInterrupt, SystemExit): raise except: @@ -531,10 +746,10 @@ def ShowTaskBusyPorts(cmd_args=None): print ShowTaskBusyPorts.__doc__ return task = kern.GetValueFromAddress(cmd_args[0], 'task_t') - print GetTaskBusyPorts(task) + PrintTaskBusyPorts(task) return -def GetTaskBusyPorts(task): +def PrintTaskBusyPorts(task): """ Prints all busy ports for a given task. ie. all receive rights belonging to this task that have enqueued messages. params: @@ -544,15 +759,15 @@ def GetTaskBusyPorts(task): """ isp = task.itk_space i = 0 - out_string = "" while i < isp.is_table_size: iep = addressof(isp.is_table[i]) if iep.ie_bits & 0x00020000: port = Cast(iep.ie_object, 'ipc_port_t') if port.ip_messages.data.port.msgcount > 0: - out_string += GetPortSummary.header + GetPortSummary(port) + print PrintPortSummary.header + PrintPortSummary(port) i = i + 1 - return out_string + return # EndMacro: showtaskbusyports # Macro: showallbusyports @@ -562,32 +777,57 @@ def ShowAllBusyPorts(cmd_args=None): have enqueued messages. """ task_queue_head = kern.globals.tasks - + for tsk in kern.tasks: - print GetTaskBusyPorts(tsk) + PrintTaskBusyPorts(tsk) return # EndMacro: showallbusyports +# Macro: showport: +@lldb_command('showport','K') +def ShowPort(cmd_args=None, cmd_options={}): + """ Routine that lists details about a given IPC port + Syntax: (lldb) showport 0xaddr + """ + show_kmsgs = True + if "-K" in cmd_options: + show_kmsgs = False + if not cmd_args: + print "Please specify the address of the port whose details you want to print" + print ShowPort.__doc__ + return + port = kern.GetValueFromAddress(cmd_args[0], 'struct ipc_port *') + print PrintPortSummary.header + PrintPortSummary(port, show_kmsgs) +# EndMacro: showport + # Macro: showmqueue: -@lldb_command('showmqueue') -def ShowMQueue(cmd_args=None): +@lldb_command('showmqueue', "S:") +def ShowMQueue(cmd_args=None, cmd_options={}): """ Routine that lists details about a given mqueue - Syntax: (lldb) showmqueue 0xaddr + Syntax: (lldb) showmqueue 0xaddr [-S ipc_space] """ if not cmd_args: print "Please specify the address of the ipc_mqueue whose details you want to print" print ShowMQueue.__doc__ return + space = 0 + if "-S" in cmd_options: + space = kern.GetValueFromAddress(cmd_options["-S"], 'struct ipc_space *') mqueue = kern.GetValueFromAddress(cmd_args[0], 'struct ipc_mqueue *') - wq_type = mqueue.data.pset.set_queue.wqs_wait_queue.wq_type + wq_type = mqueue.data.pset.setq.wqset_q.waitq_type if int(wq_type) == 3: psetoff = getfieldoffset('struct ipc_pset', 'ips_messages') pset = unsigned(ArgumentStringToInt(cmd_args[0])) - unsigned(psetoff) - print GetPortSetSummary.header + GetPortSetSummary(kern.GetValueFromAddress(pset, 'struct ipc_pset *')) - if int(wq_type) == 2: + print PrintPortSetSummary.header + PrintPortSetSummary(kern.GetValueFromAddress(pset, 'struct ipc_pset *'), space) + elif int(wq_type) == 2: portoff = getfieldoffset('struct ipc_port', 'ip_messages') port = unsigned(ArgumentStringToInt(cmd_args[0])) - unsigned(portoff) - print GetPortSummary.header + GetPortSummary(kern.GetValueFromAddress(port, 'struct ipc_port *')) + print PrintPortSummary.header + PrintPortSummary(kern.GetValueFromAddress(port, 'struct ipc_port *')) + else: + print "Invalid mqueue? (waitq type {:d} is invalid)".format(int(wq_type)) # EndMacro: showmqueue # Macro: showkmsg: @@ -605,17 +845,21 @@ def ShowKMSG(cmd_args=[]): # EndMacro: showkmsg # Macro: showpset -@lldb_command('showpset') -def ShowPSet(cmd_args=None): +@lldb_command('showpset', "S:") +def ShowPSet(cmd_args=None, cmd_options={}): """ Routine that prints details for a given ipc_pset * - Syntax: (lldb) showpset 0xaddr + Syntax: (lldb) showpset 0xaddr [-S ipc_space] """ if not cmd_args: print "Please specify the address of the pset whose details you want to print" print ShowPSet.__doc__ return - - print GetPortSetSummary.header + GetPortSetSummary(kern.GetValueFromAddress(cmd_args[0], 'ipc_pset *')) + space = 0 + if "-S" in cmd_options: + space = kern.GetValueFromAddress(cmd_options["-S"], 'struct ipc_space *') + + print PrintPortSetSummary.header + PrintPortSetSummary(kern.GetValueFromAddress(cmd_args[0], 'ipc_pset *'), space) # EndMacro: showpset # IPC importance inheritance related macros. @@ -673,7 +917,7 @@ def GetIPCImportanceElemSummary(iie): if kmsg_count > 0: out_str += "\n\t"+ GetKMsgSummary.header for k in IterateQueue(iie.iie_kmsgs, 'struct ipc_kmsg *', 'ikm_inheritance'): - out_str += "\t" + "{: <#018x}".format(k.ikm_header.msgh_remote_port) + ' ' + GetKMsgSummary(k).lstrip() + out_str += "\t" + "{: <#018x}".format(k.ikm_header.msgh_remote_port) + ' ' + GetKMsgSummary(k, "\t").lstrip() out_str += "\n" if inherit_count > 0: out_str += "\n\t" + GetIPCImportanceInheritSummary.header + "\n" @@ -846,6 +1090,8 @@ def GetBankHandleSummary(handle_ptr): params: handle_ptr - uint64 number stored in handle of voucher. returns: str - summary of bank element """ + if handle_ptr == 1 : + return "Bank task of Current task" elem = kern.GetValueFromAddress(handle_ptr, 'bank_element_t') if elem.be_type & 1 : ba = Cast(elem, 'struct bank_account *')