Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
branch: master
666 lines (611 sloc) 13.248 kb
define set_ts
set $tsrm_ls = $arg0
end
document set_ts
set the ts resource, it is impossible for gdb to
call ts_resource_ex while no process is running,
but we could get the resource from the argument
of frame info.
end
define ____executor_globals
if basic_functions_module.zts
if !$tsrm_ls
set $tsrm_ls = ts_resource_ex(0, 0)
end
set $eg = ((zend_executor_globals*) (*((void ***) $tsrm_ls))[executor_globals_id-1])
set $cg = ((zend_compiler_globals*) (*((void ***) $tsrm_ls))[compiler_globals_id-1])
else
set $eg = executor_globals
set $cg = compiler_globals
end
end
document ____executor_globals
portable way of accessing executor_globals, set $eg
this also sets compiler_globals to $cg
ZTS detection is automatically based on ext/standard module struct
end
define print_cvs
____executor_globals
set $p = $eg.current_execute_data.CVs
set $c = $eg.current_execute_data.op_array.last_var
set $v = $eg.current_execute_data.op_array.vars
set $i = 0
printf "Compiled variables count: %d\n", $c
while $i < $c
printf "%d = %s\n", $i, $v[$i].name
if $p[$i] != 0
printzv *$p[$i]
else
printf "*uninitialized*\n"
end
set $i = $i + 1
end
end
define dump_bt
set $ex = $arg0
while $ex
printf "[%p] ", $ex
set $func = $ex->func
if $func
if $ex->This->value.obj
if $func->common.scope
printf "%s->", $func->common.scope->name->val
else
printf "%s->", $ex->This->value.obj->ce.name->val
end
else
if $func->common.scope
printf "%s::", $func->common.scope->name->val
end
end
if $func->common.function_name
printf "%s(", $func->common.function_name->val
else
printf "(main"
end
set $callFrameSize = (sizeof(zend_execute_data) + sizeof(zval) - 1) / sizeof(zval)
set $count = $ex->This.u2.num_args
set $arg = 0
while $arg < $count
if $arg > 0
printf ", "
end
set $zvalue = (zval *) $ex + $callFrameSize + $arg
set $type = $zvalue->u1.v.type
if $type == 1
printf "NULL"
end
if $type == 2
printf "false"
end
if $type == 3
printf "true"
end
if $type == 4
printf "%ld", $zvalue->value.lval
end
if $type == 5
printf "%f", $zvalue->value.dval
end
if $type == 6
____print_str $zvalue->value.str->val $zvalue->value.str->len
end
if $type == 7
printf "array(%d)[%p]", $zvalue->value.arr->ht->nNumOfElements, $zvalue
end
if $type == 8
printf "object[%p]", $zvalue
end
if $type == 9
printf "resource(#%d)", $zvalue->value.lval
end
if $type == 10
printf "reference"
end
if $type > 10
printf "unknown type %d", $type
end
set $arg = $arg + 1
end
printf ") "
else
printf "??? "
end
if $func != 0
if $func->type == 2
printf "%s:%d ", $func->op_array.filename->val, $ex->opline->lineno
else
printf "[internal function]"
end
end
set $ex = $ex->prev_execute_data
printf "\n"
end
end
document dump_bt
dumps the current execution stack. usage: dump_bt executor_globals.current_execute_data
end
define printzv
set $ind = 1
____printzv $arg0 0
end
document printzv
prints zval contents
end
define ____printzv_contents
set $zvalue = $arg0
set $type = $zvalue->u1.v.type
# 15 == IS_INDIRECT
if $type >= 5 && $type != 15
printf "(refcount=%d) ", $zvalue->value.counted->refcount
end
if $type == 0
printf "UNDEF"
end
if $type == 1
printf "NULL"
end
if $type == 2
printf "bool: false"
end
if $type == 3
printf "bool: true"
end
if $type == 4
printf "long: %ld", $zvalue->value.lval
end
if $type == 5
printf "double: %f", $zvalue->value.dval
end
if $type == 6
printf "string: %s", $zvalue->value.str->val
end
if $type == 7
printf "array: "
if ! $arg1
set $ind = $ind + 1
____print_ht &$zvalue->value.arr->ht 1
set $ind = $ind - 1
set $i = $ind
while $i > 0
printf " "
set $i = $i - 1
end
end
set $type = 0
end
if $type == 8
printf "object"
____executor_globals
set $handle = $zvalue->value.obj.handle
set $handlers = $zvalue->value.obj.handlers
set $zobj = $zvalue->value.obj
set $cname = $zobj->ce->name->val
printf "(%s) #%d", $cname, $handle
if ! $arg1
if $handlers->get_properties == &zend_std_get_properties
set $ht = $zobj->properties
if $ht
set $ind = $ind + 1
____print_ht $ht 1
set $ind = $ind - 1
set $i = $ind
while $i > 0
printf " "
set $i = $i - 1
end
else
echo "no properties found"
end
end
end
set $type = 0
end
if $type == 9
printf "resource: #%d", $zvalue->value.res->handle
end
if $type == 10
printf "reference: "
____printzv &$zvalue->value.ref->val $arg1
end
if $type == 11
printf "const: %s", $zvalue->value.str->val
end
if $type == 12
printf "const_ast"
end
if $type == 13
printf "_IS_BOOL"
end
if $type == 14
printf "IS_CALLABLE"
end
if $type == 15
printf "indirect: "
____printzv $zvalue->value.zv $arg1
end
if $type == 16
printf "string_offset"
end
if $type == 17
printf "pointer: %p", $zvalue->value.ptr
end
if $type > 17
printf "unknown type %d", $type
end
printf "\n"
end
define ____printzv
____executor_globals
set $zvalue = $arg0
printf "[%p] ", $zvalue
set $zcontents = (zval*) $zvalue
if $arg1
____printzv_contents $zcontents $arg1
else
____printzv_contents $zcontents 0
end
end
define ____print_const_table
set $ht = $arg0
set $p = $ht->pListHead
while $p != 0
set $const = (zend_constant *) $p->pData
set $i = $ind
while $i > 0
printf " "
set $i = $i - 1
end
if $p->nKeyLength > 0
____print_str $p->arKey $p->nKeyLength
printf " => "
else
printf "%d => ", $p->h
end
____printzv_contents &$const->value 0
set $p = $p->pListNext
end
end
define print_const_table
set $ind = 1
printf "[%p] {\n", $arg0
____print_const_table $arg0
printf "}\n"
end
define ____print_ht
set $ht = (HashTable*)$arg0
set $n = $ind
while $n > 0
printf " "
set $n = $n - 1
end
if $ht->u.v.flags & 4
printf "Packed"
else
printf "Hash"
end
printf "(%d)[%p]: {\n", $ht->nNumOfElements, $ht
set $num = $ht->nNumUsed
set $i = 0
set $ind = $ind + 1
while $i < $num
set $p = (Bucket*)($ht->arData + $i)
set $n = $ind
if $p->val.u1.v.type > 0
while $n > 0
printf " "
set $n = $n - 1
end
printf "[%d] ", $i
if $p->key
printf "%s => ", $p->key->val
else
printf "%d => ", $p->h
end
if $arg1 == 0
printf "%p\n", (zval *)&$p->val
end
if $arg1 == 1
set $zval = (zval *)&$p->val
____printzv $zval 1
end
if $arg1 == 2
printf "%s\n", (char*)$p->val.value.ptr
end
if $arg1 == 3
set $func = (zend_function*)$p->val.value.ptr
printf "\"%s\"\n", $func->common.function_name->val
end
end
set $i = $i + 1
end
set $ind = $ind - 1
printf "}\n"
end
define print_ht
set $ind = 0
____print_ht $arg0 1
end
document print_ht
dumps elements of HashTable made of zval
end
define print_htptr
set $ind = 0
____print_ht $arg0 0
end
document print_htptr
dumps elements of HashTable made of pointers
end
define print_htstr
set $ind = 0
____print_ht $arg0 2
end
document print_htstr
dumps elements of HashTable made of strings
end
define print_ft
set $ind = 0
____print_ht $arg0 3
end
document print_ft
dumps a function table (HashTable)
end
define ____print_inh_class
set $ce = $arg0
if $ce->ce_flags & 0x10 || $ce->ce_flags & 0x20
printf "abstract "
else
if $ce->ce_flags & 0x40
printf "final "
end
end
printf "class %s", $ce->name->val
if $ce->parent != 0
printf " extends %s", $ce->parent->name->val
end
if $ce->num_interfaces != 0
printf " implements"
set $tmp = 0
while $tmp < $ce->num_interfaces
printf " %s", $ce->interfaces[$tmp]->name->val
set $tmp = $tmp + 1
if $tmp < $ce->num_interfaces
printf ","
end
end
end
set $ce = $ce->parent
end
define ____print_inh_iface
set $ce = $arg0
printf "interface %s", $ce->name->val
if $ce->num_interfaces != 0
set $ce = $ce->interfaces[0]
printf " extends %s", $ce->name->val
else
set $ce = 0
end
end
define print_inh
set $ce = $arg0
set $depth = 0
while $ce != 0
set $tmp = $depth
while $tmp != 0
printf " "
set $tmp = $tmp - 1
end
set $depth = $depth + 1
if $ce->ce_flags & 0x80
____print_inh_iface $ce
else
____print_inh_class $ce
end
printf " {\n"
end
while $depth != 0
set $tmp = $depth
while $tmp != 1
printf " "
set $tmp = $tmp - 1
end
printf "}\n"
set $depth = $depth - 1
end
end
define print_pi
set $pi = $arg0
printf "[%p] {\n", $pi
printf " h = %lu\n", $pi->h
printf " flags = %d (", $pi->flags
if $pi->flags & 0x100
printf "ZEND_ACC_PUBLIC"
else
if $pi->flags & 0x200
printf "ZEND_ACC_PROTECTED"
else
if $pi->flags & 0x400
printf "ZEND_ACC_PRIVATE"
else
if $pi->flags & 0x800
printf "ZEND_ACC_CHANGED"
end
end
end
end
printf ")\n"
printf " name = "
____print_str $pi->name $pi->name_length
printf "\n}\n"
end
define ____print_str
set $tmp = 0
set $str = $arg0
printf "\""
while $tmp < $arg1 && $tmp < 256
if $str[$tmp] > 32 && $str[$tmp] < 127
printf "%c", $str[$tmp]
else
printf "\\%o", $str[$tmp]
end
set $tmp = $tmp + 1
end
if $tmp != $arg1
printf "..."
end
printf "\""
end
define printzn
____executor_globals
set $ind = 0
set $znode = $arg0
if $znode->op_type == 1
set $optype = "IS_CONST"
end
if $znode->op_type == 2
set $optype = "IS_TMP_VAR"
end
if $znode->op_type == 4
set $optype = "IS_VAR"
end
if $znode->op_type == 8
set $optype = "IS_UNUSED"
end
printf "[%p] %s", $znode, $optype
if $znode->op_type == 1
printf ": "
____printzv &$znode->u.constant 0
end
if $znode->op_type == 2
printf ": "
set $tvar = (union _temp_variable *)((char *)$eg.current_execute_data->Ts + $znode->u.var)
____printzv ((union _temp_variable *)$tvar)->tmp_var 0
end
if $znode->op_type == 4
printf ": "
set $tvar = (union _temp_variable *)((char *)$eg.current_execute_data->Ts + $znode->u.var)
____printzv *$tvar->var.ptr_ptr 0
end
if $znode->op_type == 8
printf "\n"
end
end
document printzn
print type and content of znode.
usage: printzn &opline->op1
end
define printzops
printf "op1 => "
printzn &execute_data->opline.op1
printf "op2 => "
printzn &execute_data->opline.op2
printf "result => "
printzn &execute_data->opline.result
end
document printzops
dump operands of the current opline
end
define zbacktrace
____executor_globals
dump_bt $eg.current_execute_data
end
document zbacktrace
prints backtrace.
This command is almost a short cut for
> (gdb) ____executor_globals
> (gdb) dump_bt $eg.current_execute_data
end
define zmemcheck
set $p = alloc_globals.head
set $stat = "?"
set $total_size = 0
if $arg0 != 0
set $not_found = 1
else
set $not_found = 0
end
printf " block size status file:line\n"
printf "-------------------------------------------------------------------------------\n"
while $p
set $aptr = $p + sizeof(struct _zend_mem_header) + sizeof(align_test)
if $arg0 == 0 || (void *)$aptr == (void *)$arg0
if $p->magic == 0x7312f8dc
set $stat = "OK"
end
if $p->magic == 0x99954317
set $stat = "FREED"
end
if $p->magic == 0xfb8277dc
set $stat = "CACHED"
end
set $filename = strrchr($p->filename->val, '/')
if !$filename
set $filename = $p->filename->val
else
set $filename = $filename + 1
end
printf " %p ", $aptr
if $p->size == sizeof(struct _zval_struct) && ((struct _zval_struct *)$aptr)->type >= 0 && ((struct _zval_struct *)$aptr)->type < 10
printf "ZVAL?(%-2d) ", $p->size
else
printf "%-9d ", $p->size
end
set $total_size = $total_size + $p->size
printf "%-06s %s:%d", $stat, $filename, $p->lineno
if $p->orig_filename
set $orig_filename = strrchr($p->orig_filename, '/')
if !$orig_filename
set $orig_filename = $p->orig_filename
else
set $orig_filename = $orig_filename + 1
end
printf " <= %s:%d\n", $orig_filename, $p->orig_lineno
else
printf "\n"
end
if $arg0 != 0
set $p = 0
set $not_found = 0
else
set $p = $p->pNext
end
else
set $p = $p->pNext
end
end
if $not_found
printf "no such block that begins at %p.\n", $aptr
end
if $arg0 == 0
printf "-------------------------------------------------------------------------------\n"
printf " total: %d bytes\n", $total_size
end
end
document zmemcheck
show status of a memory block.
usage: zmemcheck [ptr].
if ptr is 0, all blocks will be listed.
end
define lookup_root
set $found = 0
if gc_globals->roots
set $current = gc_globals->roots->next
printf "looking ref %p in roots\n", $arg0
while $current != &gc_globals->roots
if $current->ref == $arg0
set $found = $current
break
end
set $current = $current->next
end
if $found != 0
printf "found root %p\n", $found
else
printf "not found\n"
end
end
end
document lookup_root
lookup a refcounted in root
usage: lookup_root [ptr].
end
Jump to Line
Something went wrong with that request. Please try again.