xnu-4903.221.2.tar.gz

[apple/xnu.git] / tools / lldbmacros / usertaskdebugging / userprocess.py

diff --git a/tools/lldbmacros/usertaskdebugging/userprocess.py b/tools/lldbmacros/usertaskdebugging/userprocess.py
index 5a5079e7b876b36737a95082d6034a944f5cf0f6..74e54223e0d49b65278c01464ebfc4730bd16501 100755 (executable)
--- a/tools/lldbmacros/usertaskdebugging/userprocess.py
+++ b/tools/lldbmacros/usertaskdebugging/userprocess.py
@@ -11,17 +11,8 @@ CPU_TYPE_X86_64 = 0x01000007
 CPU_TYPE_ARM = 0x0000000c
 CPU_TYPE_ARM64 = 0x0100000c
 
-
-CPU_SUBTYPE_X86_64_ALL = 3
-CPU_SUBTYPE_X86_64_H = 8
-CPU_SUBTYPE_ARMV8 = 13
-CPU_SUBTYPE_ARM_V7 = 9
-CPU_SUBTYPE_ARM_V7S = 11
-CPU_SUBTYPE_ARM_V7K = 12
-
-
 def GetRegisterSetForCPU(cputype, subtype):
-    if cputype ==  CPU_TYPE_ARM64:
+    if cputype == CPU_TYPE_ARM64:
         retval = Armv8_RegisterSet
     elif cputype == CPU_TYPE_ARM:
         retval = Armv7_RegisterSet
@@ -37,13 +28,12 @@ def GetRegisterSetForCPU(cputype, subtype):
 
 class UserThreadObject(object):
     """representation of userspace thread"""
-    def __init__(self, thr_obj, cputype, cpusubtype, kern_cputype):
+    def __init__(self, thr_obj, cputype, cpusubtype, is_kern_64bit):
         super(UserThreadObject, self).__init__()
         self.thread = thr_obj
         self.registerset = GetRegisterSetForCPU(cputype, cpusubtype)
         self.thread_id = unsigned(self.thread.thread_id)
         self.is64Bit = bool(cputype & 0x01000000)
-        isKern64Bit = bool(kern_cputype & 0x01000000)
 
         if self.is64Bit:
             if cputype == CPU_TYPE_X86_64:
@@ -58,12 +48,13 @@ class UserThreadObject(object):
                 self.saved_state = Cast(self.thread.machine.iss, 'x86_saved_state_t *').uss.ss_32
             if cputype == CPU_TYPE_ARM:
                 self.reg_type = "arm"
-                if not isKern64Bit:
+                if not is_kern_64bit:
                     self.saved_state = self.thread.machine.PcbData
                 else:
                     self.saved_state = self.thread.machine.contextData.ss.uss.ss_32
-        logging.debug("created thread id 0x%x of type %s, kern_cputype 0x%x cputype 0x%x"
-                      % (self.thread_id, self.reg_type, kern_cputype, cputype))
+
+        logging.debug("created thread id 0x%x of type %s, is_kern_64bit 0x%x cputype 0x%x"
+                      % (self.thread_id, self.reg_type, is_kern_64bit, cputype))
 
     def getRegisterValueByName(self, name):
         if self.reg_type == 'arm64':
@@ -108,30 +99,21 @@ class UserProcess(target.Process):
         if task.t_flags & 0x1:
             ptrsize = 8
         if task.t_flags & 0x2:
-            dataregisters64bit = 8
-
-        cputype = CPU_TYPE_X86_64
-        cpusubtype = CPU_SUBTYPE_X86_64_ALL
+            dataregisters64bit = True
 
+        is_kern_64bit = kern.arch in ['x86_64', 'x86_64h', 'arm64'
+        ]
 
-        """ these computations should come out of the macho header i think """
-        """ where does kern.arch come from? what's kern.arch == armv8?? """ 
-        if kern.arch in ('arm'):
-            cputype = CPU_TYPE_ARM
-            cpusubtype = CPU_SUBTYPE_ARM_V7
-        elif kern.arch in ('armv8', 'arm64'):
-            cputype = CPU_TYPE_ARM64
-            cpusubtype = CPU_SUBTYPE_ARMV8
+        self.cputype = unsigned(self.proc.p_cputype)
+        self.cpusubtype = unsigned(self.proc.p_cpusubtype)
 
-        super(UserProcess, self).__init__(cputype, cpusubtype, ptrsize)
+        super(UserProcess, self).__init__(self.cputype, self.cpusubtype, ptrsize)
 
         self.hinfo['ostype'] = 'macosx'
-        if cputype != CPU_TYPE_X86_64:
+        if self.cputype != CPU_TYPE_X86_64 and self.cputype != CPU_TYPE_I386:
             self.hinfo['ostype'] = 'ios'
 
-        self.cputype = unsigned(self.proc.p_cputype)
-        self.cpusubtype = unsigned(self.proc.p_cpusubtype)
-        self.registerset = GetRegisterSetForCPU(cputype, cpusubtype)
+        self.registerset = GetRegisterSetForCPU(self.cputype, self.cpusubtype)
         logging.debug("process %s is64bit: %d ptrsize: %d cputype: %d  cpusubtype:%d",
                       hex(self.proc), int(dataregisters64bit), ptrsize,
                       self.cputype, self.cpusubtype
@@ -140,7 +122,7 @@ class UserProcess(target.Process):
         self.threads_ids_list = []
         logging.debug("iterating over threads in process")
         for thval in IterateQueue(task.threads, 'thread *', 'task_threads'):
-            self.threads[unsigned(thval.thread_id)] = UserThreadObject(thval, self.cputype, self.cpusubtype, cputype)
+            self.threads[unsigned(thval.thread_id)] = UserThreadObject(thval, self.cputype, self.cpusubtype, is_kern_64bit)
             self.threads_ids_list.append(unsigned(thval.thread_id))
 
     def getRegisterDataForThread(self, th_id, reg_num):