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1 # Copyright 2011 the V8 project authors. All rights reserved. | 1 # Copyright 2011 the V8 project authors. All rights reserved. |
2 # Redistribution and use in source and binary forms, with or without | 2 # Redistribution and use in source and binary forms, with or without |
3 # modification, are permitted provided that the following conditions are | 3 # modification, are permitted provided that the following conditions are |
4 # met: | 4 # met: |
5 # | 5 # |
6 # * Redistributions of source code must retain the above copyright | 6 # * Redistributions of source code must retain the above copyright |
7 # notice, this list of conditions and the following disclaimer. | 7 # notice, this list of conditions and the following disclaimer. |
8 # * Redistributions in binary form must reproduce the above | 8 # * Redistributions in binary form must reproduce the above |
9 # copyright notice, this list of conditions and the following | 9 # copyright notice, this list of conditions and the following |
10 # disclaimer in the documentation and/or other materials provided | 10 # disclaimer in the documentation and/or other materials provided |
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131 | 131 |
132 | 132 |
133 def v8_to_int(v): | 133 def v8_to_int(v): |
134 if v.type.sizeof == 4: | 134 if v.type.sizeof == 4: |
135 return int(v.cast(t_u32)) | 135 return int(v.cast(t_u32)) |
136 elif v.type.sizeof == 8: | 136 elif v.type.sizeof == 8: |
137 return int(v.cast(t_u64)) | 137 return int(v.cast(t_u64)) |
138 else: | 138 else: |
139 return '?' | 139 return '?' |
140 | 140 |
141 | 141 |
142 def v8_get_value(vstring): | 142 def v8_get_value(vstring): |
143 v = gdb.parse_and_eval(vstring) | 143 v = gdb.parse_and_eval(vstring) |
144 return v8_to_int(v) | 144 return v8_to_int(v) |
145 | 145 |
146 | 146 |
147 class V8PrintObject (gdb.Command): | 147 class V8PrintObject (gdb.Command): |
148 """Prints a v8 object.""" | 148 """Prints a v8 object.""" |
149 def __init__ (self): | 149 def __init__ (self): |
150 super (V8PrintObject, self).__init__ ("v8print", gdb.COMMAND_DATA) | 150 super (V8PrintObject, self).__init__ ("v8print", gdb.COMMAND_DATA) |
151 def invoke (self, arg, from_tty): | 151 def invoke (self, arg, from_tty): |
152 v = v8_get_value(arg) | 152 v = v8_get_value(arg) |
153 gdb.execute('call __gdb_print_v8_object(%d)' % v) | 153 gdb.execute('call __gdb_print_v8_object(%d)' % v) |
154 V8PrintObject() | 154 V8PrintObject() |
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