| 1 | #
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| 2 | # Copyright (C) Lynn Tran, Jiachen Zhang 2018
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| 3 | #
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| 4 | # utils-gdb.py --
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| 5 | #
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| 6 | # Author : Lynn Tran
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| 7 | # Created On : Mon Oct 1 22:06:09 2018
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| 8 | # Last Modified By : Peter A. Buhr
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| 9 | # Last Modified On : Sat Jan 19 14:16:10 2019
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| 10 | # Update Count : 11
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| 11 | #
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| 12 |
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| 13 | """
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| 14 | To run this extension, the python name has to be as same as one of the loaded library
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| 15 | Additionally, the file must exist in a folder which is in gdb's safe path
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| 16 | """
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| 17 | import collections
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| 18 | import gdb
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| 19 | import re
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| 20 |
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| 21 | # set these signal handlers with some settings (nostop, noprint, pass)
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| 22 | gdb.execute('handle SIGALRM nostop noprint pass')
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| 23 | gdb.execute('handle SIGUSR1 nostop noprint pass')
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| 24 |
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| 25 | CfaTypes = collections.namedtuple('CfaTypes', 'cluster_ptr processor_ptr thread_ptr int_ptr thread_state')
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| 26 |
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| 27 | class ThreadInfo:
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| 28 | tid = 0
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| 29 | cluster = None
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| 30 | value = None
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| 31 |
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| 32 | def __init__(self, cluster, value):
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| 33 | self.cluster = cluster
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| 34 | self.value = value
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| 35 |
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| 36 | def is_system(self):
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| 37 | return False
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| 38 |
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| 39 | # A named tuple representing information about a stack
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| 40 | StackInfo = collections.namedtuple('StackInfo', 'sp fp pc')
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| 41 |
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| 42 | # A global variable to keep track of stack information as one switches from one
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| 43 | # task to another task
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| 44 | STACK = []
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| 45 |
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| 46 | # A global variable to keep all system task name
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| 47 | SysTask_Name = ["uLocalDebuggerReader", "uLocalDebugger", "uProcessorTask", "uBootTask", "uSystemTask",
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| 48 | "uProcessorTask", "uPthread", "uProfiler"]
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| 49 |
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| 50 | not_supported_error_msg = "Not a supported command for this language"
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| 51 |
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| 52 | def is_cforall():
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| 53 | return True
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| 54 |
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| 55 | def get_cfa_types():
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| 56 | # GDB types for various structures/types in CFA
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| 57 | return CfaTypes(cluster_ptr = gdb.lookup_type('struct cluster').pointer(),
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| 58 | processor_ptr = gdb.lookup_type('struct processor').pointer(),
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| 59 | thread_ptr = gdb.lookup_type('struct $thread').pointer(),
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| 60 | int_ptr = gdb.lookup_type('int').pointer(),
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| 61 | thread_state = gdb.lookup_type('enum __Coroutine_State'))
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| 62 |
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| 63 | def get_addr(addr):
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| 64 | """
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| 65 | NOTE: sketchy solution to retrieve address. There is a better solution...
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| 66 | @addr: str of an address that can be in a format 0xfffff <type of the object
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| 67 | at this address>
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| 68 | Return: str of just the address
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| 69 | """
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| 70 | str_addr = str(addr)
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| 71 | ending_addr_index = str_addr.find('<')
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| 72 | if ending_addr_index == -1:
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| 73 | return str(addr)
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| 74 | return str_addr[:ending_addr_index].strip()
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| 75 |
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| 76 | def print_usage(obj):
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| 77 | print(obj.__doc__)
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| 78 |
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| 79 | def parse(args):
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| 80 | """
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| 81 | Split the argument list in string format, where each argument is separated
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| 82 | by whitespace delimiter, to a list of arguments like argv
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| 83 | @args: str of arguments
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| 84 | Return:
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| 85 | [] if args is an empty string
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| 86 | list if args is not empty
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| 87 | """
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| 88 | # parse the string format of arguments and return a list of arguments
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| 89 | argv = args.split(' ')
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| 90 | if len(argv) == 1 and argv[0] == '':
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| 91 | return []
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| 92 | return argv
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| 93 |
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| 94 | def get_cluster_root():
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| 95 | """
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| 96 | Return: gdb.Value of globalClusters.root (is an address)
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| 97 | """
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| 98 | cluster_root = gdb.parse_and_eval('_X11mainClusterPS7cluster_1')
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| 99 | if cluster_root.address == 0x0:
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| 100 | print('No clusters, program terminated')
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| 101 | return cluster_root
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| 102 |
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| 103 | def find_curr_thread():
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| 104 | # btstr = gdb.execute('bt', to_string = True).splitlines()
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| 105 | # if len(btstr) == 0:
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| 106 | # print('error')
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| 107 | # return None
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| 108 | # return btstr[0].split('this=',1)[1].split(',')[0].split(')')[0]
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| 109 | return None
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| 110 |
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| 111 | def all_clusters():
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| 112 | if not is_cforall():
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| 113 | return None
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| 114 |
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| 115 | cluster_root = get_cluster_root()
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| 116 | if cluster_root.address == 0x0:
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| 117 | return
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| 118 |
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| 119 | curr = cluster_root
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| 120 | ret = [curr]
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| 121 |
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| 122 | while True:
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| 123 | curr = curr['_X4nodeS26__cluster____dbg_node_cltr_1']['_X4nextPS7cluster_1']
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| 124 | if curr == cluster_root:
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| 125 | break
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| 126 |
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| 127 | ret.append(curr)
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| 128 |
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| 129 | return ret
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| 130 |
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| 131 |
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| 132 | def lookup_cluster(name = None):
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| 133 | """
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| 134 | Look up a cluster given its ID
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| 135 | @name: str
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| 136 | Return: gdb.Value
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| 137 | """
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| 138 | if not is_cforall():
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| 139 | return None
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| 140 |
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| 141 | root = get_cluster_root()
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| 142 | if root.address == 0x0:
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| 143 | return None
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| 144 |
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| 145 | if not name:
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| 146 | return root
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| 147 |
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| 148 | # lookup for the task associated with the id
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| 149 | cluster = None
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| 150 | curr = root
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| 151 | while True:
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| 152 | if curr['_X4namePKc_1'].string() == name:
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| 153 | cluster = curr.address
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| 154 | break
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| 155 | curr = curr['_X4nodeS26__cluster____dbg_node_cltr_1']['_X4nextPS7cluster_1']
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| 156 | if curr == root or curr == 0x0:
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| 157 | break
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| 158 |
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| 159 | if not cluster:
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| 160 | print("Cannot find a cluster with the name: {}.".format(name))
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| 161 | return None
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| 162 |
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| 163 | return cluster
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| 164 |
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| 165 | def lookup_threads_by_cluster(cluster):
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| 166 | # Iterate through a circular linked list of threads and accumulate them in an array
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| 167 | threads = []
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| 168 |
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| 169 | cfa_t = get_cfa_types()
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| 170 | root = cluster['_X7threadsS8__dllist_S7$thread__1']['_X4headPY15__TYPE_generic__1'].cast(cfa_t.thread_ptr)
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| 171 |
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| 172 | if root == 0x0 or root.address == 0x0:
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| 173 | print('There are no tasks for cluster: {}'.format(cluster))
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| 174 | return threads
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| 175 |
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| 176 | curr = root
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| 177 | tid = 0
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| 178 | sid = -1
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| 179 |
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| 180 | while True:
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| 181 | t = ThreadInfo(cluster, curr)
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| 182 | if t.is_system():
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| 183 | t.tid = sid
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| 184 | sid -= 1
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| 185 | else:
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| 186 | t.tid = tid
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| 187 | tid += 1
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| 188 |
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| 189 | threads.append(t)
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| 190 |
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| 191 | curr = curr['node']['next']
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| 192 | if curr == root or curr == 0x0:
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| 193 | break
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| 194 |
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| 195 | return threads
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| 196 |
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| 197 | def system_thread(thread):
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| 198 | return False
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| 199 |
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| 200 | def adjust_stack(pc, fp, sp):
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| 201 | # pop sp, fp, pc from global stack
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| 202 | gdb.execute('set $pc = {}'.format(pc))
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| 203 | gdb.execute('set $rbp = {}'.format(fp))
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| 204 | gdb.execute('set $sp = {}'.format(sp))
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| 205 |
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| 206 | ############################ COMMAND IMPLEMENTATION #########################
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| 207 |
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| 208 | class Clusters(gdb.Command):
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| 209 | """Cforall: Display currently known clusters
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| 210 | Usage:
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| 211 | info clusters : print out all the clusters
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| 212 | """
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| 213 |
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| 214 | def __init__(self):
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| 215 | super(Clusters, self).__init__('info clusters', gdb.COMMAND_USER)
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| 216 |
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| 217 | def print_cluster(self, cluster_name, cluster_address):
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| 218 | print('{:>20} {:>20}'.format(cluster_name, cluster_address))
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| 219 |
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| 220 | #entry point from gdb
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| 221 | def invoke(self, arg, from_tty):
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| 222 | if not is_cforall():
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| 223 | return
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| 224 |
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| 225 | if arg:
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| 226 | print("info clusters does not take arguments")
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| 227 | print_usage(self)
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| 228 | return
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| 229 |
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| 230 | self.print_cluster('Name', 'Address')
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| 231 |
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| 232 | for c in all_clusters():
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| 233 | self.print_cluster(c['_X4namePKc_1'].string(), str(c))
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| 234 |
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| 235 | print("")
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| 236 |
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| 237 | ############
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| 238 | class Processors(gdb.Command):
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| 239 | """Cforall: Display currently known processors
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| 240 | Usage:
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| 241 | info processors : print out all the processors in the Main Cluster
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| 242 | info processors all : print out all processors in all clusters
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| 243 | info processors <cluster_name> : print out all processors in a given cluster
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| 244 | """
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| 245 |
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| 246 | def __init__(self):
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| 247 | super(Processors, self).__init__('info processors', gdb.COMMAND_USER)
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| 248 |
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| 249 | def print_processor(self, name, status, pending, address):
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| 250 | print('{:>20} {:>11} {:>13} {:>20}'.format(name, status, pending, address))
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| 251 |
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| 252 | def iterate_procs(self, root, active):
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| 253 | if root == 0x0:
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| 254 | return
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| 255 |
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| 256 | cfa_t = get_cfa_types()
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| 257 | curr = root
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| 258 |
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| 259 | while True:
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| 260 | processor = curr
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| 261 | should_stop = processor['_X12do_terminateVb_1']
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| 262 | stop_count = processor['_X10terminatedS9semaphore_1']['_X5counti_1']
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| 263 | if not should_stop:
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| 264 | status = 'Active' if active else 'Idle'
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| 265 | else:
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| 266 | status_str = 'Last Thread' if stop_count >= 0 else 'Terminating'
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| 267 | status = '{}({},{})'.format(status_str, should_stop, stop_count)
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| 268 |
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| 269 | self.print_processor(processor['_X4namePKc_1'].string(),
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| 270 | status, str(processor['_X18pending_preemptionb_1']), str(processor)
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| 271 | )
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| 272 |
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| 273 | curr = curr['_X4nodeS28__processor____dbg_node_proc_1']['_X4nextPS9processor_1']
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| 274 |
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| 275 | if curr == root or curr == 0x0:
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| 276 | break
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| 277 |
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| 278 | #entry point from gdb
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| 279 | def invoke(self, arg, from_tty):
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| 280 | if not is_cforall():
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| 281 | return
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| 282 |
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| 283 | if not arg:
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| 284 | clusters = [lookup_cluster(None)]
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| 285 | elif arg == "all":
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| 286 | clusters = all_clusters()
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| 287 | else:
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| 288 | clusters = [lookup_cluster(arg)]
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| 289 |
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| 290 | if not clusters:
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| 291 | print("No Cluster matching arguments found")
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| 292 | return
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| 293 |
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| 294 | cfa_t = get_cfa_types()
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| 295 | for cluster in clusters:
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| 296 | print('Cluster: "{}"({})'.format(cluster['_X4namePKc_1'].string(), cluster.cast(cfa_t.cluster_ptr)))
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| 297 |
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| 298 | active_root = cluster.cast(cfa_t.cluster_ptr) \
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| 299 | ['_X5procsS8__dllist_S9processor__1'] \
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| 300 | ['_X4headPY15__TYPE_generic__1'] \
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| 301 | .cast(cfa_t.processor_ptr)
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| 302 |
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| 303 | idle_root = cluster.cast(cfa_t.cluster_ptr) \
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| 304 | ['_X5idlesS8__dllist_S9processor__1'] \
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| 305 | ['_X4headPY15__TYPE_generic__1'] \
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| 306 | .cast(cfa_t.processor_ptr)
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| 307 |
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| 308 | if idle_root != 0x0 or active_root != 0x0:
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| 309 | self.print_processor('Name', 'Status', 'Pending Yield', 'Address')
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| 310 | self.iterate_procs(active_root, True)
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| 311 | self.iterate_procs(idle_root, False)
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| 312 | else:
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| 313 | print("No processors on cluster")
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| 314 |
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| 315 | print()
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| 316 |
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| 317 | ############
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| 318 | class Threads(gdb.Command):
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| 319 | """Cforall: Display currently known threads
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| 320 | Usage:
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| 321 | cfathreads : print Main Cluster threads, application threads only
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| 322 | cfathreads all : print all clusters, all threads
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| 323 | cfathreads <clusterName> : print cluster threads, application threads only
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| 324 | """
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| 325 | def __init__(self):
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| 326 | # The first parameter of the line below is the name of the command. You
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| 327 | # can call it 'uc++ task'
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| 328 | super(Threads, self).__init__('info cfathreads', gdb.COMMAND_USER)
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| 329 |
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| 330 | def print_formatted(self, marked, tid, name, state, address):
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| 331 | print('{:>1} {:>4} {:>20} {:>10} {:>20}'.format('*' if marked else ' ', tid, name, state, address))
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| 332 |
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| 333 | def print_thread(self, thread, tid, marked):
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| 334 | cfa_t = get_cfa_types()
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| 335 | self.print_formatted(marked, tid, thread['self_cor']['name'].string(), str(thread['state'].cast(cfa_t.thread_state)), str(thread))
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| 336 |
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| 337 | def print_threads_by_cluster(self, cluster, print_system = False):
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| 338 | # Iterate through a circular linked list of tasks and print out its
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| 339 | # name along with address associated to each cluster
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| 340 | threads = lookup_threads_by_cluster(cluster)
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| 341 | if not threads:
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| 342 | return
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| 343 |
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| 344 | running_thread = find_curr_thread()
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| 345 | if running_thread is None:
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| 346 | print('Could not identify current thread')
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| 347 |
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| 348 | self.print_formatted(False, '', 'Name', 'State', 'Address')
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| 349 |
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| 350 | for t in threads:
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| 351 | if not t.is_system() or print_system:
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| 352 | self.print_thread(t.value, t.tid, t.value == running_thread if running_thread else False)
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| 353 |
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| 354 | print()
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| 355 |
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| 356 | def print_all_threads(self):
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| 357 | for c in all_clusters():
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| 358 | self.print_threads_by_cluster(c, False)
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| 359 |
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| 360 | def invoke(self, arg, from_tty):
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| 361 | """
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| 362 | @arg: str
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| 363 | @from_tty: bool
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| 364 | """
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| 365 | if not is_cforall():
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| 366 | return
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| 367 |
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| 368 | if not arg:
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| 369 | cluster = lookup_cluster()
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| 370 | if not cluster:
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| 371 | print("Could not find Main Cluster")
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| 372 | return
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| 373 |
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| 374 | # only tasks and main
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| 375 | self.print_threads_by_cluster(cluster, False)
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| 376 |
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| 377 | elif arg == 'all':
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| 378 | # all threads, all clusters
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| 379 | self.print_all_threads()
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| 380 |
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| 381 | else:
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| 382 | cluster = lookup_cluster(arg)
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| 383 | if not cluster:
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| 384 | print("Could not find cluster '{}'".format(arg))
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| 385 | return
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| 386 |
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| 387 | # all tasks, specified cluster
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| 388 | self.print_threads_by_cluster(cluster, True)
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| 389 |
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| 390 |
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| 391 | ############
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| 392 | class Thread(gdb.Command):
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| 393 | """Cforall: Switch to specified user threads
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| 394 | Usage:
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| 395 | cfathread <id> : switch stack to thread id on main cluster
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| 396 | cfathread 0x<address> : switch stack to thread on any cluster
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| 397 | cfathread <id> <clusterName> : switch stack to thread on specified cluster
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| 398 | """
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| 399 | def __init__(self):
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| 400 | # The first parameter of the line below is the name of the command. You
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| 401 | # can call it 'uc++ task'
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| 402 | super(Thread, self).__init__('cfathread', gdb.COMMAND_USER)
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| 403 |
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| 404 | ############################ AUXILIARY FUNCTIONS #########################
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| 405 |
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| 406 | def switchto(self, thread):
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| 407 | """Change to a new task by switching to a different stack and manually
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| 408 | adjusting sp, fp and pc
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| 409 | @task_address: str
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| 410 | 2 supported format:
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| 411 | in hex format
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| 412 | <hex_address>: literal hexadecimal address
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| 413 | Ex: 0xffffff
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| 414 | in name of the pointer to the task
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| 415 | "task_name": pointer of the variable name of the cluster
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| 416 | Ex: T* s -> task_name = s
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| 417 | Return: gdb.value of the cluster's address
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| 418 | """
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| 419 | try:
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| 420 | if not gdb.lookup_symbol('__cfactx_switch'):
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| 421 | print('__cfactx_switch symbol is unavailable')
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|---|
| 422 | return
|
|---|
| 423 | except:
|
|---|
| 424 | print('here 3')
|
|---|
| 425 |
|
|---|
| 426 | cfa_t = get_cfa_types()
|
|---|
| 427 |
|
|---|
| 428 | state = thread['state'].cast(cfa_t.thread_state)
|
|---|
| 429 | try:
|
|---|
| 430 | if state == gdb.parse_and_eval('Halted'):
|
|---|
| 431 | print('Cannot switch to a terminated thread')
|
|---|
| 432 | return
|
|---|
| 433 |
|
|---|
| 434 | if state == gdb.parse_and_eval('Start'):
|
|---|
| 435 | print('Cannjot switch to a thread not yet run')
|
|---|
| 436 | return
|
|---|
| 437 | except:
|
|---|
| 438 | print("here 2")
|
|---|
| 439 | return
|
|---|
| 440 |
|
|---|
| 441 |
|
|---|
| 442 | context = thread['context']
|
|---|
| 443 |
|
|---|
| 444 | # lookup for sp,fp and uSwitch
|
|---|
| 445 | xsp = context['SP'] + 48
|
|---|
| 446 | xfp = context['FP']
|
|---|
| 447 |
|
|---|
| 448 | # convert string so we can strip out the address
|
|---|
| 449 | try:
|
|---|
| 450 | xpc = get_addr(gdb.parse_and_eval('__cfactx_switch').address + 28)
|
|---|
| 451 | except:
|
|---|
| 452 | print("here")
|
|---|
| 453 | return
|
|---|
| 454 |
|
|---|
| 455 | # must be at frame 0 to set pc register
|
|---|
| 456 | gdb.execute('select-frame 0')
|
|---|
| 457 |
|
|---|
| 458 | # push sp, fp, pc into a global stack
|
|---|
| 459 | global STACK
|
|---|
| 460 | sp = gdb.parse_and_eval('$sp')
|
|---|
| 461 | fp = gdb.parse_and_eval('$fp')
|
|---|
| 462 | pc = gdb.parse_and_eval('$pc')
|
|---|
| 463 | stack_info = StackInfo(sp = sp, fp = fp, pc = pc)
|
|---|
| 464 | STACK.append(stack_info)
|
|---|
| 465 |
|
|---|
| 466 | # update registers for new task
|
|---|
| 467 | print('switching to ')
|
|---|
| 468 | gdb.execute('set $rsp={}'.format(xsp))
|
|---|
| 469 | gdb.execute('set $rbp={}'.format(xfp))
|
|---|
| 470 | gdb.execute('set $pc={}'.format(xpc))
|
|---|
| 471 |
|
|---|
| 472 | def find_matching_gdb_thread_id():
|
|---|
| 473 | """
|
|---|
| 474 | Parse the str from info thread to get the number
|
|---|
| 475 | """
|
|---|
| 476 | info_thread_str = gdb.execute('info thread', to_string=True).splitlines()
|
|---|
| 477 | for thread_str in info_thread_str:
|
|---|
| 478 | if thread_str.find('this={}'.format(task)) != -1:
|
|---|
| 479 | thread_id_pattern = r'^\*?\s+(\d+)\s+Thread'
|
|---|
| 480 | # retrive gdb thread id
|
|---|
| 481 | return re.match(thread_id_pattern, thread_str).group(1)
|
|---|
| 482 |
|
|---|
| 483 | # check if the task is running or not
|
|---|
| 484 | if task_state == gdb.parse_and_eval('uBaseTask::Running'):
|
|---|
| 485 | # find the equivalent thread from info thread
|
|---|
| 486 | gdb_thread_id = find_matching_gdb_thread_id()
|
|---|
| 487 | if gdb_thread_id is None:
|
|---|
| 488 | print('cannot find the thread id to switch to')
|
|---|
| 489 | return
|
|---|
| 490 | # switch to that thread based using thread command
|
|---|
| 491 | gdb.execute('thread {}'.format(gdb_thread_id))
|
|---|
| 492 |
|
|---|
| 493 | def switchto_id(self, tid, cluster):
|
|---|
| 494 | """
|
|---|
| 495 | @cluster: cluster object
|
|---|
| 496 | @tid: int
|
|---|
| 497 | """
|
|---|
| 498 | threads = lookup_threads_by_cluster( cluster )
|
|---|
| 499 |
|
|---|
| 500 | for t in threads:
|
|---|
| 501 | if t.tid == tid:
|
|---|
| 502 | self.switchto(t.value)
|
|---|
| 503 | return
|
|---|
| 504 |
|
|---|
| 505 | print("Cound not find thread by id '{}'".format(tid))
|
|---|
| 506 |
|
|---|
| 507 | def invoke(self, arg, from_tty):
|
|---|
| 508 | """
|
|---|
| 509 | @arg: str
|
|---|
| 510 | @from_tty: bool
|
|---|
| 511 | """
|
|---|
| 512 | if not is_cforall():
|
|---|
| 513 | return
|
|---|
| 514 |
|
|---|
| 515 | argv = parse(arg)
|
|---|
| 516 | print(argv)
|
|---|
| 517 | if argv[0].isdigit():
|
|---|
| 518 | cname = " ".join(argv[1:]) if len(argv) > 1 else None
|
|---|
| 519 | cluster = lookup_cluster(cname)
|
|---|
| 520 | if not cluster:
|
|---|
| 521 | print("Could not find cluster '{}'".format(cname if cname else "Main Cluster"))
|
|---|
| 522 | return
|
|---|
| 523 |
|
|---|
| 524 | try:
|
|---|
| 525 | tid = int(argv[0])
|
|---|
| 526 | except:
|
|---|
| 527 | print("'{}' not a valid thread id".format(argv[0]))
|
|---|
| 528 | print_usage(self)
|
|---|
| 529 | return
|
|---|
| 530 |
|
|---|
| 531 | # by id, userCluster
|
|---|
| 532 | self.switchto_id(tid, cluster)
|
|---|
| 533 |
|
|---|
| 534 | elif argv[0].startswith('0x') or argv[0].startswith('0X'):
|
|---|
| 535 | self.switchto(argv[0]) # by address, any cluster
|
|---|
| 536 |
|
|---|
| 537 | ############
|
|---|
| 538 | class PrevThread(gdb.Command):
|
|---|
| 539 | """Switch back to previous task on the stack"""
|
|---|
| 540 | usage_msg = 'prevtask'
|
|---|
| 541 |
|
|---|
| 542 | def __init__(self):
|
|---|
| 543 | super(PrevThread, self).__init__('prevtask', gdb.COMMAND_USER)
|
|---|
| 544 |
|
|---|
| 545 | def invoke(self, arg, from_tty):
|
|---|
| 546 | """
|
|---|
| 547 | @arg: str
|
|---|
| 548 | @from_tty: bool
|
|---|
| 549 | """
|
|---|
| 550 | global STACK
|
|---|
| 551 | if len(STACK) != 0:
|
|---|
| 552 | # must be at frame 0 to set pc register
|
|---|
| 553 | gdb.execute('select-frame 0')
|
|---|
| 554 |
|
|---|
| 555 | # pop stack
|
|---|
| 556 | stack_info = STACK.pop()
|
|---|
| 557 | pc = get_addr(stack_info.pc)
|
|---|
| 558 | sp = stack_info.sp
|
|---|
| 559 | fp = stack_info.fp
|
|---|
| 560 |
|
|---|
| 561 | # pop sp, fp, pc from global stack
|
|---|
| 562 | adjust_stack(pc, fp, sp)
|
|---|
| 563 |
|
|---|
| 564 | # must be at C++ frame to access C++ vars
|
|---|
| 565 | gdb.execute('frame 1')
|
|---|
| 566 | else:
|
|---|
| 567 | print('empty stack')
|
|---|
| 568 |
|
|---|
| 569 | class ResetOriginFrame(gdb.Command):
|
|---|
| 570 | """Reset to the origin frame prior to continue execution again"""
|
|---|
| 571 | usage_msg = 'resetOriginFrame'
|
|---|
| 572 | def __init__(self):
|
|---|
| 573 | super(ResetOriginFrame, self).__init__('reset', gdb.COMMAND_USER)
|
|---|
| 574 |
|
|---|
| 575 | def invoke(self, arg, from_tty):
|
|---|
| 576 | """
|
|---|
| 577 | @arg: str
|
|---|
| 578 | @from_tty: bool
|
|---|
| 579 | """
|
|---|
| 580 | global STACK
|
|---|
| 581 | if len(STACK) != 0:
|
|---|
| 582 | stack_info = STACK.pop(0)
|
|---|
| 583 | STACK.clear()
|
|---|
| 584 | pc = get_addr(stack_info.pc)
|
|---|
| 585 | sp = stack_info.sp
|
|---|
| 586 | fp = stack_info.fp
|
|---|
| 587 |
|
|---|
| 588 | # pop sp, fp, pc from global stack
|
|---|
| 589 | adjust_stack(pc, fp, sp)
|
|---|
| 590 |
|
|---|
| 591 | # must be at C++ frame to access C++ vars
|
|---|
| 592 | gdb.execute('frame 1')
|
|---|
| 593 | #else:
|
|---|
| 594 | #print('reset: empty stack') #probably does not have to print msg
|
|---|
| 595 |
|
|---|
| 596 | Clusters()
|
|---|
| 597 | Processors()
|
|---|
| 598 | ResetOriginFrame()
|
|---|
| 599 | PrevThread()
|
|---|
| 600 | Threads()
|
|---|
| 601 | Thread()
|
|---|
| 602 |
|
|---|
| 603 | # Local Variables: #
|
|---|
| 604 | # mode: Python #
|
|---|
| 605 | # End: #
|
|---|
