mirror of
https://github.com/php/php-src.git
synced 2024-12-04 15:23:44 +08:00
459 lines
8.8 KiB
Plaintext
459 lines
8.8 KiB
Plaintext
define ____executor_globals
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if basic_functions_module.zts
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set $tsrm_ls = ts_resource_ex(0, 0)
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set $eg = ((zend_executor_globals) (*((void ***) $tsrm_ls))[executor_globals_id-1])
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else
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set $eg = executor_globals
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end
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end
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document ____executor_globals
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portable way of accessing executor_globals
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ZTS detection is automatically based on ext/standard module struct
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end
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define dump_bt
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set $t = $arg0
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while $t
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printf "[0x%08x] ", $t
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if $t->function_state.function->common.function_name
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printf "%s() ", $t->function_state.function->common.function_name
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else
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printf "??? "
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end
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if $t->op_array != 0
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printf "%s:%d ", $t->op_array->filename, $t->opline->lineno
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end
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set $t = $t->prev_execute_data
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printf "\n"
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end
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end
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document dump_bt
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dumps the current execution stack. usage: dump_bt executor_globals.current_execute_data
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end
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define printztype
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____printz_type $arg0
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printf "\n"
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end
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document printztype
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prints the type name of a zval type
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end
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define ____printz_type
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set $type = $arg0
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if $type == 0
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printf "NULL"
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end
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if $type == 1
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printf "long"
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end
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if $type == 2
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printf "double"
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end
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if $type == 3
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printf "bool"
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end
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if $type == 4
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printf "array"
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end
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if $type == 5
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printf "object"
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end
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if $type == 6
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printf "string"
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end
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if $type == 7
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printf "resource"
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end
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if $type == 8
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printf "constant"
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end
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if $type == 9
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printf "const_array"
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end
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if $type == 10
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printf "unicode string"
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end
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if $type > 10
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printf "unknown type %d", $type
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end
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end
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define printzv
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set $ind = 1
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____printzv $arg0 0
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end
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document printzv
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prints zval contents
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end
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define ____printzv_contents
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set $zvalue = $arg0
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set $type = $zvalue->type
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printf "(refcount=%d) ", $zvalue->refcount
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if $type == 0
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printf "NULL"
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end
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____printz_type $type
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if $type == 1
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printf ": %ld", $zvalue->value.lval
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end
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if $type == 2
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printf ": %lf", $zvalue->value.dval
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end
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if $type == 3
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if $zvalue->value.lval
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printf ": true"
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else
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printf ": false"
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end
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end
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if $type == 4
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printf "(%d): ", $zvalue->value.ht->nNumOfElements
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if ! $arg1
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printf "{\n"
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set $ind = $ind + 1
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____print_ht $zvalue->value.ht 0
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set $ind = $ind - 1
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set $i = $ind
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while $i > 0
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printf " "
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set $i = $i - 1
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end
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printf "}"
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end
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set $type = 0
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end
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if $type == 5
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____executor_globals
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set $handle = $zvalue->value.obj.handle
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set $handlers = $zvalue->value.obj.handlers
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if basic_functions_module.zts
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set $zobj = zend_objects_get_address($zvalue, $tsrm_ls)
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else
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set $zobj = zend_objects_get_address($zvalue)
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end
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if $handlers->get_class_entry == &zend_std_object_get_class
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set $cname = $zobj->ce.name.s
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else
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set $cname = "Unknown"
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end
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printf "(%s) #%d", $cname, $handle
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if ! $arg1
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if $handlers->get_properties == &zend_std_get_properties
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set $ht = $zobj->properties
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if $ht
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printf "(%d): ", $ht->nNumOfElements
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printf "{\n"
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set $ind = $ind + 1
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____print_ht $ht 1
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set $ind = $ind - 1
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set $i = $ind
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while $i > 0
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printf " "
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set $i = $i - 1
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end
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printf "}"
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else
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echo "no properties found"
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end
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end
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end
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set $type = 0
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end
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if $type == 6
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printf "(%d): \"%s\"", $zvalue->value.str.len, $zvalue->value.str.val
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end
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if $type == 7
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printf ": #%d", $zvalue->value.lval
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end
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if $type == 8
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end
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if $type == 9
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end
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if $type == 10
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printf "(%d): [%p]", $zvalue->value.str.len, $zvalue->value.str.val
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end
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if $type > 10
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end
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printf "\n"
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end
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define ____printzv
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____executor_globals
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set $zvalue = $arg0
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printf "[0x%08x] ", $zvalue
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if $zvalue == $eg.uninitialized_zval_ptr
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printf "*uninitialized* "
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end
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set $zcontents = (zval*) $zvalue
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if $arg1
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____printzv_contents $zcontents $arg1
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else
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____printzv_contents $zcontents 0
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end
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end
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define ____print_const_table
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set $ht = $arg0
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set $p = $ht->pListHead
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while $p != 0
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set $const = (zend_constant *) $p->pData
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set $i = $ind
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while $i > 0
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printf " "
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set $i = $i - 1
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end
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if $p->nKeyLength > 0
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printf "\"%s\" => ", $p->key.arKey.s
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else
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printf "%d => ", $p->h
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end
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____printzv_contents &$const->value 0
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set $p = $p->pListNext
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end
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end
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define print_const_table
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set $ind = 1
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printf "[0x%08x] {\n", $arg0
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____print_const_table $arg0
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printf "}\n"
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end
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define ____print_ht
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set $ht = $arg0
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set $obj = $arg1
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set $p = $ht->pListHead
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while $p != 0
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set $zval = *(zval **)$p->pData
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set $i = $ind
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while $i > 0
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printf " "
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set $i = $i - 1
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end
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if $p->nKeyLength > 0
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if $obj && $p->key.arKey.s[0] == 0
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if $p->key.arKey.s[1] == '*'
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printf "\"protected %s\" => ", $p->key.arKey.s+3
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else
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set $n = 1
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while $n < $p->nKeyLength && $p->key.arKey.s[$n] != 0
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set $n = $n + 1
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end
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printf "\"private %s::%s\" => ", $p->key.arKey.s+1, $p->key.arKey.s+$n+1
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end
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else
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printf "\"%s\" => ", $p->key.arKey.s
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end
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else
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printf "%d => ", $p->h
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end
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____printzv $zval 1
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set $p = $p->pListNext
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end
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end
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define print_ht
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set $ind = 1
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printf "[0x%08x] {\n", $arg0
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____print_ht $arg0 0
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printf "}\n"
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end
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document print_ht
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dumps elements of HashTable made of zval
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end
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define ____print_ft
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set $ht = $arg0
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set $p = $ht->pListHead
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while $p != 0
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set $func = (zend_function*)$p->pData
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set $i = $ind
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while $i > 0
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printf " "
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set $i = $i - 1
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end
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if $p->nKeyLength > 0
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printf "\"%s\" => ", $p->key.arKey.s
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else
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printf "%d => ", $p->h
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end
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printf "\"%s\"\n", $func->common.function_name
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set $p = $p->pListNext
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end
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end
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define print_ft
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set $ind = 1
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printf "[0x%08x] {\n", $arg0
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____print_ft $arg0
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printf "}\n"
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end
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document print_ft
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dumps a function table (HashTable)
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end
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define printzn
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____executor_globals
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set $ind = 0
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set $znode = $arg0
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if $znode->op_type == 1
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set $optype = "IS_CONST"
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end
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if $znode->op_type == 2
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set $optype = "IS_TMP_VAR"
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end
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if $znode->op_type == 4
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set $optype = "IS_VAR"
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end
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if $znode->op_type == 8
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set $optype = "IS_UNUSED"
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end
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printf "[0x%08x] %s", $znode, $optype
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if $znode->op_type == 1
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printf ": "
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____printzv &$znode->u.constant 0
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end
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if $znode->op_type == 2
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printf ": "
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set $tvar = (union _temp_variable *)((char *)$eg.current_execute_data->Ts + $znode->u.var)
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____printzv ((union _temp_variable *)$tvar)->tmp_var 0
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end
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if $znode->op_type == 4
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printf ": "
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set $tvar = (union _temp_variable *)((char *)$eg.current_execute_data->Ts + $znode->u.var)
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____printzv *$tvar->var.ptr_ptr 0
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end
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if $znode->op_type == 8
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printf "\n"
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end
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end
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document printzn
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print type and content of znode.
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usage: printzn &opline->op1
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end
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define printzops
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printf "op1 => "
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printzn &execute_data->opline.op1
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printf "op2 => "
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printzn &execute_data->opline.op2
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printf "result => "
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printzn &execute_data->opline.result
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end
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document printzops
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dump operands of the current opline
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end
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define zbacktrace
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____executor_globals
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dump_bt $eg.current_execute_data
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end
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document zbacktrace
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prints backtrace.
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This command is almost a short cut for
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> (gdb) ____executor_globals
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> (gdb) dump_bt $eg.current_execute_data
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end
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define zmemcheck
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set $p = alloc_globals.head
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set $stat = "?"
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set $total_size = 0
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if $arg0 != 0
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set $not_found = 1
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else
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set $not_found = 0
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end
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printf " block size status file:line\n"
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printf "-------------------------------------------------------------------------------\n"
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while $p
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set $aptr = $p + sizeof(struct _zend_mem_header) + sizeof(align_test)
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if $arg0 == 0 || (void *)$aptr == (void *)$arg0
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if $p->magic == 0x7312f8dc
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set $stat = "OK"
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end
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if $p->magic == 0x99954317
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set $stat = "FREED"
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end
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if $p->magic == 0xfb8277dc
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set $stat = "CACHED"
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end
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set $filename = strrchr($p->filename, '/')
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if !$filename
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set $filename = $p->filename
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else
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set $filename = $filename + 1
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end
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printf " 0x%08x ", $aptr
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if $p->size == sizeof(struct _zval_struct) && ((struct _zval_struct *)$aptr)->type >= 0 && ((struct _zval_struct *)$aptr)->type < 10
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printf "ZVAL?(%-2d) ", $p->size
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else
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printf "%-9d ", $p->size
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end
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set $total_size = $total_size + $p->size
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printf "%-06s %s:%d", $stat, $filename, $p->lineno
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if $p->orig_filename
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set $orig_filename = strrchr($p->orig_filename, '/')
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if !$orig_filename
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set $orig_filename = $p->orig_filename
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else
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set $orig_filename = $orig_filename + 1
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end
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printf " <= %s:%d\n", $orig_filename, $p->orig_lineno
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else
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printf "\n"
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end
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if $arg0 != 0
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set $p = 0
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set $not_found = 0
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else
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set $p = $p->pNext
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end
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else
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set $p = $p->pNext
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end
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end
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if $not_found
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printf "no such block that begins at 0x%08x.\n", $aptr
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end
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if $arg0 == 0
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printf "-------------------------------------------------------------------------------\n"
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printf " total: %d bytes\n", $total_size
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end
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end
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document zmemcheck
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show status of a memory block.
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usage: zmemcheck [ptr].
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if ptr is 0, all blocks will be listed.
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end
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