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Add code to retreive the mach port # for each thread in the inferior application's 

mach port namespace in addition to the mach port # in examine-threads' own port
namespace, and print it (when -v is used).

llvm-svn: 172867
This commit is contained in:
Jason Molenda 2013-01-18 23:07:45 +00:00
parent ed1bf29df1
commit 2affc1ea6d
1 changed files with 55 additions and 7 deletions
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62
lldb/tools/darwin-threads/examine-threads.c
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@ -152,6 +152,53 @@ get_thread_identifier_info (thread_t thread)
return tident;
}
/* Given a mach port # (in the examine-threads mach port namespace) for a thread,
find the mach port # in the inferior program's port namespace.
Sets inferior_port if successful.
Returns true if successful, false if unable to find the port number. */
bool
inferior_namespace_mach_port_num (task_t task, thread_t examine_threads_port, thread_t *inferior_port)
{
kern_return_t retval;
mach_port_name_array_t names;
mach_msg_type_number_t nameslen;
mach_port_type_array_t types;
mach_msg_type_number_t typeslen;
if (inferior_port == NULL)
return false;
retval = mach_port_names (task, &names, &nameslen, &types, &typeslen);
if (retval != KERN_SUCCESS)
{
printf ("Error - unable to get mach port names for inferior.\n");
return false;
}
int i = 0;
for (i = 0; i < nameslen; i++)
{
mach_port_t local_name;
mach_msg_type_name_t local_type;
retval = mach_port_extract_right (task, names[i], MACH_MSG_TYPE_COPY_SEND, &local_name, &local_type);
if (retval == KERN_SUCCESS)
{
mach_port_deallocate (mach_task_self(), local_name);
if (local_name == examine_threads_port)
{
*inferior_port = names[i];
vm_deallocate (mach_task_self (), (vm_address_t) names, nameslen * sizeof (mach_port_t));
vm_deallocate (mach_task_self (), (vm_address_t) types, typeslen * sizeof (mach_port_t));
return true;
}
}
}
vm_deallocate (mach_task_self (), (vm_address_t) names, nameslen * sizeof (mach_port_t));
vm_deallocate (mach_task_self (), (vm_address_t) types, typeslen * sizeof (mach_port_t));
return false;
}
/* Get the current pc value for a given thread. */
uint64_t
@ -353,7 +400,7 @@ main (int argc, char **argv)
int wordsize;
uint64_t pc = get_current_pc (thread_list[i], &wordsize);
printf ("thread #%d, unique tid %lld, suspend count is %d, ", i,
printf ("thread #%d, system-wide-unique-tid %lld, suspend count is %d, ", i,
identifier_info.thread_id,
basic_info->suspend_count);
if (wordsize == 8)
@ -371,18 +418,19 @@ main (int argc, char **argv)
}
if (verbose)
{
printf (" ");
printf ("mach thread #0x%4.4x ", (int) thread_list[i]);
printf ("pthread handle id 0x%llx ", (uint64_t) identifier_info.thread_handle);
printf (" (examine-threads port namespace) mach port # 0x%4.4x\n", (int) thread_list[i]);
thread_t mach_port_inferior_namespace;
if (inferior_namespace_mach_port_num (task, thread_list[i], &mach_port_inferior_namespace))
printf (" (inferior port namepsace) mach port # 0x%4.4x\n", (int) mach_port_inferior_namespace);
printf (" pthread handle id 0x%llx\n", (uint64_t) identifier_info.thread_handle);
struct proc_threadinfo pth;
int proc_threadinfo_succeeded = get_proc_threadinfo (pid, identifier_info.thread_handle, &pth);
if (proc_threadinfo_succeeded && pth.pth_name[0] != '\0')
printf ("thread name '%s' ", pth.pth_name);
printf (" thread name '%s' ", pth.pth_name);
printf ("\n ");
printf ("user %d.%06ds, system %d.%06ds",
printf (" user %d.%06ds, system %d.%06ds",
basic_info->user_time.seconds, basic_info->user_time.microseconds,
basic_info->system_time.seconds, basic_info->system_time.microseconds);
if (basic_info->cpu_usage > 0)