AntDB日常调试GDB脚本
AntDB日常调试GDB脚本
为了更方便的调试AntDB，生成gdb调试脚本。
gdb调试脚本gengdb.sh
# !/bin/bash
# Author Sunny
# Version 2016-11-11
function Usage()
{
echo "\
Help
Just keep enum NodeTag which read from the
file src/include/nodes/nodes.h saving in the
file node.txt of current path." && exit 1
}
if [ $# -gt 0 ] || [ "x$1" = "-h" ] || [ "x$1" = "--help" ]; then
Usage
fi
# define input and output file
curdir=$(pwd)
input="$curdir/node.txt"
output="$curdir/my.gdb"
nodeinfo="$curdir/node.out"
gdbinit="$curdir/gdbinit"
[ ! -e $input ] && echo "no input file, quit" && exit 1
[ -e $output ] && mv $output $output""_$(date +%F_%T)
[ -e $nodeinfo ] && rm -rf $nodeinfo
[ -e $gdbinit ] && rm -rf $gdbinit
function generate_print_node()
{
# define step number
step=20
# preprocess the input file
declare -a nodes
nodes=($(grep -Eo 'T_[A-Za-z_]+' $input | grep -v "T_Invalid"))
for node in ${nodes[@]}
do
echo "$node" >> $nodeinfo
done
total=${#nodes[@]}
echo "\
define pnode
if \$argc == 0
help pnode
else
while \$arg0
" >> $output
# define pnode
for ((cnt=0; cnt<$total; cnt+=$step))
do
let idx=$cnt+$step-1
[ $idx -ge $total ] && let idx=$total-1
curnode=${nodes[$idx]%,*}
echo "\
if ((const Node *)(\$arg0))->type <= $curnode
lesseq$curnode (\$arg0)
loop_break
end
" >> $output
done
echo "\
print (char*) \$arg0
loop_break
end
end
end
" >> $output
# define pnode help
echo "\
document pnode
Usage:
pnode node variable / node address
Print node infomation
end
" >> $output
# define each step circle lesseq"T_node"
for ((cnt=0; cnt<$total; cnt+=$step))
do
let idx=$cnt+$step-1
[ $idx -ge $total ] && let idx=$total-1
curnode=${nodes[$idx]%,*}
echo "\
define lesseq$curnode
while \$arg0
" >>$output
let i=0
while ((i<$step))
do
let idx=$cnt+$i
[ $idx -ge $total ] && break
tnode=${nodes[$idx]%,*}
node=${tnode#*_}
if [ "x$tnode" = "xT_Integer" ]; then
echo "\
if ((const Node *)(\$arg0))->type == $tnode
print ((const Value *)(\$arg0))->val.ival
loop_break
end
" >> $output
elif [ "x$tnode" = "xT_Float" ] || [ "x$tnode" = "xT_String" ] || [ "x$tnode" = "xT_BitString" ]; then
echo "\
if ((const Node *)(\$arg0))->type == $tnode
print ((const Value *)(\$arg0))->val.str
loop_break
end
" >> $output
elif [ "x$tnode" = "xT_Null" ]; then
echo "\
if ((const Node *)(\$arg0))->type == $tnode
print *(const Value *)(\$arg0)
loop_break
end
" >> $output
else
echo "\
if ((const Node *)(\$arg0))->type == $tnode
print *(const $node *) (\$arg0)
loop_break
end
" >> $output
fi
let i++
done
echo "\
loop_break
end
end
" >> $output
done
}
function generate_print_list()
{
echo '
define plist
if $argc == 0
help plist
else
if $arg0 && ((const Node*)($arg0))->type == T_List
ppointerlist $arg0
else
if $arg0 && ((const Node*)($arg0))->type == T_IntList
pintlist $arg0
else
if $arg0 && ((const Node*)($arg0))->type == T_OidList
poidlist $arg0
else
printf "$arg0 is null pointer"
end
end
end
end
end
document plist
Usage:
plist list variable / list address
Print each element in the list
end
define ppointerlist
set $size = ((const List*)($arg0))->length
if $size == 0
printf "$arg0 is empty"
else
set $current = ((const List*)($arg0))->head
while $current != 0
pnode $current->data.ptr_value
set $current = $current->next
end
end
end
define pintlist
set $size = ((const List*)($arg0))->length
if $size == 0
printf "$arg0 is empty"
else
set $current = ((const List*)($arg0))->head
while $current != 0
print $current->data.int_value
set $current = $current->next
end
end
end
define poidlist
set $size = ((const List*)($arg0))->length
if $size == 0
printf "$arg0 is empty"
else
set $current = ((const List*)($arg0))->head
while $current != 0
print $current->data.oid_value
set $current = $current->next
end
end
end
' >> $output
}
function generate_copyright()
{
echo "\
# -------------------------------------------------------------------
# Program $(basename $0)
# Author Sunny
# Version $(date +%F_%T)
#
# Usage
#
# write \"source $output\" to ~/.gdbinit
# -------------------------------------------------------------------" >> $output
}
function generate_gdbinit()
{
echo "\
source $output" > $gdbinit
}
function main()
{
generate_copyright;
generate_print_list;
generate_print_node;
generate_gdbinit;
}
main生成gdb文件
将 src/include/nodes/nodes.h 文件中定义的 enum NodeTag 拷贝到与当前脚本同级的目录下的 node.txt 文件。
typedef enum NodeTag
{
T_Invalid = 0,
/*
* TAGS FOR EXECUTOR NODES (execnodes.h)
*/
T_IndexInfo = 10,
T_ExprContext,
T_ProjectionInfo,
T_JunkFilter,
T_ResultRelInfo,
T_EState,
T_TupleTableSlot,
/*
* TAGS FOR PLAN NODES (plannodes.h)
*/
T_Plan = 100,
T_Result,
T_ModifyTable,
T_Append,
T_MergeAppend,
T_RecursiveUnion,
T_BitmapAnd,
T_BitmapOr,
T_Scan,
T_SeqScan,
T_SampleScan,
T_IndexScan,
T_IndexOnlyScan,
T_BitmapIndexScan,
T_BitmapHeapScan,
T_TidScan,
T_SubqueryScan,
T_FunctionScan,
T_ValuesScan,
T_CteScan,
T_WorkTableScan,
T_ForeignScan,
T_CustomScan,
T_Join,
T_NestLoop,
T_MergeJoin,
T_HashJoin,
T_Material,
T_Sort,
T_Group,
T_Agg,
T_WindowAgg,
T_Unique,
T_Gather,
T_GatherMerge,
T_Hash,
T_SetOp,
T_LockRows,
T_Limit,
/* these aren't subclasses of Plan: */
T_NestLoopParam,
T_PlanRowMark,
T_PlanInvalItem,
#ifdef ADB
/*
* TAGS FOR PGXC NODES
* (planner.h, locator.h, nodemgr.h, groupmgr.h)
*/
T_ExecNodes,
T_SimpleSort,
T_RemoteQuery,
T_AlterNodeStmt,
T_CreateNodeStmt,
T_DropNodeStmt,
T_CreateGroupStmt,
T_DropGroupStmt,
T_ClusterGather,
T_ClusterMergeGather,
T_ClusterGetCopyData,
T_ClusterReduce,
T_ReduceScan,
#endif
/*
* TAGS FOR PLAN STATE NODES (execnodes.h)
*
* These should correspond one-to-one with Plan node types.
*/
T_PlanState = 200,
T_ResultState,
T_ModifyTableState,
T_AppendState,
T_MergeAppendState,
T_RecursiveUnionState,
T_BitmapAndState,
T_BitmapOrState,
T_ScanState,
T_SeqScanState,
T_SampleScanState,
T_IndexScanState,
T_IndexOnlyScanState,
T_BitmapIndexScanState,
T_BitmapHeapScanState,
T_TidScanState,
T_SubqueryScanState,
T_FunctionScanState,
T_ValuesScanState,
T_CteScanState,
T_WorkTableScanState,
T_ForeignScanState,
T_CustomScanState,
T_JoinState,
T_NestLoopState,
T_MergeJoinState,
T_HashJoinState,
T_MaterialState,
T_SortState,
T_GroupState,
T_AggState,
T_WindowAggState,
T_UniqueState,
T_GatherState,
T_GatherMergeState,
T_HashState,
T_SetOpState,
T_LockRowsState,
T_LimitState,
#ifdef ADB
T_RemoteCopyState,
T_RemoteQueryState,
T_ClusterGatherState,
T_ClusterMergeGatherState,
T_ClusterGetCopyDataState,
T_ClusterReduceState,
T_ReduceScanState,
#endif
/*
* TAGS FOR PRIMITIVE NODES (primnodes.h)
*/
T_Alias = 300,
T_RangeVar,
T_Expr,
T_Var,
T_Const,
T_Param,
T_Aggref,
T_GroupingFunc,
T_WindowFunc,
T_ArrayRef,
T_FuncExpr,
T_NamedArgExpr,
T_OpExpr,
T_DistinctExpr,
T_NullIfExpr,
T_ScalarArrayOpExpr,
T_BoolExpr,
T_SubLink,
T_SubPlan,
T_AlternativeSubPlan,
T_FieldSelect,
T_FieldStore,
T_RelabelType,
T_CoerceViaIO,
T_ArrayCoerceExpr,
T_ConvertRowtypeExpr,
T_CollateExpr,
T_CaseExpr,
T_CaseWhen,
T_CaseTestExpr,
T_ArrayExpr,
T_RowExpr,
T_RowCompareExpr,
T_CoalesceExpr,
T_MinMaxExpr,
T_XmlExpr,
T_NullTest,
T_BooleanTest,
T_CoerceToDomain,
T_CoerceToDomainValue,
T_SetToDefault,
T_CurrentOfExpr,
#ifdef ADB
T_RownumExpr,
T_LevelExpr,
T_OidVectorLoopExpr,
#endif
T_InferenceElem,
T_TargetEntry,
T_RangeTblRef,
T_JoinExpr,
T_FromExpr,
T_OnConflictExpr,
T_IntoClause,
#ifdef ADB
T_DistributeBy,
T_PGXCSubCluster,
#endif
/*
* TAGS FOR EXPRESSION STATE NODES (execnodes.h)
*
* These correspond (not always one-for-one) to primitive nodes derived
* from Expr.
*/
T_ExprState = 400,
T_GenericExprState,
T_WholeRowVarExprState,
T_AggrefExprState,
T_GroupingFuncExprState,
T_WindowFuncExprState,
T_ArrayRefExprState,
T_FuncExprState,
T_ScalarArrayOpExprState,
T_BoolExprState,
T_SubPlanState,
T_AlternativeSubPlanState,
T_FieldSelectState,
T_FieldStoreState,
T_CoerceViaIOState,
T_ArrayCoerceExprState,
T_ConvertRowtypeExprState,
T_CaseExprState,
T_CaseWhenState,
T_ArrayExprState,
T_RowExprState,
T_RowCompareExprState,
T_CoalesceExprState,
T_MinMaxExprState,
T_XmlExprState,
T_NullTestState,
T_CoerceToDomainState,
T_DomainConstraintState,
#ifdef ADB
T_RownumExprState,
T_OidVectorLoopExprState,
#endif
/*
* TAGS FOR PLANNER NODES (relation.h)
*/
T_PlannerInfo = 500,
T_PlannerGlobal,
T_RelOptInfo,
T_IndexOptInfo,
T_ForeignKeyOptInfo,
T_ParamPathInfo,
T_Path,
T_IndexPath,
T_BitmapHeapPath,
T_BitmapAndPath,
T_BitmapOrPath,
T_TidPath,
T_SubqueryScanPath,
T_ForeignPath,
T_CustomPath,
T_NestPath,
T_MergePath,
T_HashPath,
T_AppendPath,
T_MergeAppendPath,
T_ResultPath,
T_MaterialPath,
T_UniquePath,
T_GatherPath,
T_GatherMergePath,
T_ProjectionPath,
T_SortPath,
T_GroupPath,
T_UpperUniquePath,
T_AggPath,
T_GroupingSetsPath,
T_MinMaxAggPath,
T_WindowAggPath,
T_SetOpPath,
T_RecursiveUnionPath,
T_LockRowsPath,
T_ModifyTablePath,
T_LimitPath,
#ifdef ADB
T_RemoteQueryPath,
T_ClusterGatherPath,
T_ClusterMergeGatherPath,
T_ClusterReducePath,
T_ReduceScanPath,
T_FilterPath,
#endif
/* these aren't subclasses of Path: */
T_EquivalenceClass,
T_EquivalenceMember,
T_PathKey,
T_PathTarget,
T_RestrictInfo,
T_PlaceHolderVar,
T_SpecialJoinInfo,
T_AppendRelInfo,
T_PlaceHolderInfo,
T_MinMaxAggInfo,
T_PlannerParamItem,
/*
* TAGS FOR MEMORY NODES (memnodes.h)
*/
T_MemoryContext = 600,
T_AllocSetContext,
/*
* TAGS FOR VALUE NODES (value.h)
*/
T_Value = 650,
T_Integer,
T_Float,
T_String,
T_BitString,
T_Null,
/*
* TAGS FOR LIST NODES (pg_list.h)
*/
T_List,
T_IntList,
T_OidList,
/*
* TAGS FOR EXTENSIBLE NODES (extensible.h)
*/
T_ExtensibleNode,
/*
* TAGS FOR STATEMENT NODES (mostly in parsenodes.h)
*/
T_Query = 700,
T_PlannedStmt,
T_InsertStmt,
T_DeleteStmt,
T_UpdateStmt,
T_SelectStmt,
T_AlterTableStmt,
T_AlterTableCmd,
T_AlterDomainStmt,
T_SetOperationStmt,
T_GrantStmt,
T_GrantRoleStmt,
T_AlterDefaultPrivilegesStmt,
T_ClosePortalStmt,
T_ClusterStmt,
T_CopyStmt,
T_CreateStmt,
T_DefineStmt,
T_DropStmt,
T_TruncateStmt,
T_CommentStmt,
T_FetchStmt,
T_IndexStmt,
T_CreateFunctionStmt,
T_AlterFunctionStmt,
T_DoStmt,
T_RenameStmt,
T_RuleStmt,
T_NotifyStmt,
T_ListenStmt,
T_UnlistenStmt,
T_TransactionStmt,
T_ViewStmt,
T_LoadStmt,
T_CreateDomainStmt,
T_CreatedbStmt,
T_DropdbStmt,
T_VacuumStmt,
T_ExplainStmt,
T_CreateTableAsStmt,
T_CreateSeqStmt,
T_AlterSeqStmt,
T_VariableSetStmt,
T_VariableShowStmt,
T_DiscardStmt,
T_CreateTrigStmt,
T_CreatePLangStmt,
T_CreateRoleStmt,
T_AlterRoleStmt,
T_DropRoleStmt,
T_LockStmt,
T_ConstraintsSetStmt,
T_ReindexStmt,
T_CheckPointStmt,
T_CreateSchemaStmt,
T_AlterDatabaseStmt,
T_AlterDatabaseSetStmt,
T_AlterRoleSetStmt,
T_CreateConversionStmt,
T_CreateCastStmt,
T_CreateOpClassStmt,
T_CreateOpFamilyStmt,
T_AlterOpFamilyStmt,
T_PrepareStmt,
T_ExecuteStmt,
T_DeallocateStmt,
T_DeclareCursorStmt,
T_CreateTableSpaceStmt,
T_DropTableSpaceStmt,
T_AlterObjectDependsStmt,
T_AlterObjectSchemaStmt,
T_AlterOwnerStmt,
T_AlterOperatorStmt,
T_DropOwnedStmt,
T_ReassignOwnedStmt,
T_CompositeTypeStmt,
T_CreateEnumStmt,
T_CreateRangeStmt,
T_AlterEnumStmt,
T_AlterTSDictionaryStmt,
T_AlterTSConfigurationStmt,
T_CreateFdwStmt,
T_AlterFdwStmt,
T_CreateForeignServerStmt,
T_AlterForeignServerStmt,
T_CreateUserMappingStmt,
T_AlterUserMappingStmt,
T_DropUserMappingStmt,
#ifdef ADB
T_ExecDirectStmt,
T_CleanConnStmt,
#endif
T_AlterTableSpaceOptionsStmt,
T_AlterTableMoveAllStmt,
T_SecLabelStmt,
T_CreateForeignTableStmt,
T_ImportForeignSchemaStmt,
T_CreateExtensionStmt,
T_AlterExtensionStmt,
T_AlterExtensionContentsStmt,
T_CreateEventTrigStmt,
T_AlterEventTrigStmt,
T_RefreshMatViewStmt,
T_ReplicaIdentityStmt,
T_AlterSystemStmt,
T_CreatePolicyStmt,
T_AlterPolicyStmt,
T_CreateTransformStmt,
T_CreateAmStmt,
#ifdef ADB
T_BarrierStmt,
#endif
/*
* TAGS FOR PARSE TREE NODES (parsenodes.h)
*/
T_A_Expr = 900,
T_ColumnRef,
#ifdef ADB
T_ColumnRefJoin,
T_PriorExpr,
#endif
T_ParamRef,
T_A_Const,
T_FuncCall,
T_A_Star,
T_A_Indices,
T_A_Indirection,
T_A_ArrayExpr,
T_ResTarget,
T_MultiAssignRef,
T_TypeCast,
T_CollateClause,
T_SortBy,
T_WindowDef,
T_RangeSubselect,
T_RangeFunction,
T_RangeTableSample,
T_TypeName,
T_ColumnDef,
T_IndexElem,
T_Constraint,
T_DefElem,
T_RangeTblEntry,
T_RangeTblFunction,
T_TableSampleClause,
T_WithCheckOption,
T_SortGroupClause,
T_GroupingSet,
T_WindowClause,
T_FuncWithArgs,
T_AccessPriv,
T_CreateOpClassItem,
T_TableLikeClause,
T_FunctionParameter,
T_LockingClause,
T_RowMarkClause,
T_XmlSerialize,
T_WithClause,
T_InferClause,
T_OnConflictClause,
T_CommonTableExpr,
T_RoleSpec,
/*
* TAGS FOR REPLICATION GRAMMAR PARSE NODES (replnodes.h)
*/
T_IdentifySystemCmd,
T_BaseBackupCmd,
T_CreateReplicationSlotCmd,
T_DropReplicationSlotCmd,
T_StartReplicationCmd,
T_TimeLineHistoryCmd,
/*
* TAGS FOR RANDOM OTHER STUFF
*
* These are objects that aren't part of parse/plan/execute node tree
* structures, but we give them NodeTags anyway for identification
* purposes (usually because they are involved in APIs where we want to
* pass multiple object types through the same pointer).
*/
T_TriggerData = 951, /* in commands/trigger.h */
T_EventTriggerData, /* in commands/event_trigger.h */
T_ReturnSetInfo, /* in nodes/execnodes.h */
T_WindowObjectData, /* private in nodeWindowAgg.c */
T_TIDBitmap, /* in nodes/tidbitmap.h */
T_InlineCodeBlock, /* in nodes/parsenodes.h */
T_FdwRoutine, /* in foreign/fdwapi.h */
T_IndexAmRoutine, /* in access/amapi.h */
T_TsmRoutine, /* in access/tsmapi.h */
T_ForeignKeyCacheInfo /* in utils/rel.h */
}执行gengdb.sh脚本
在同级目录下生成 my.gdb。
[dev@CentOS-7 ~/workspace_adb31/gdb]$ ll
总用量 224
-rw-rw-r-- 1 dev dev 44 1月 18 15:24 gdbinit
-rw-r--r--. 1 dev dev 5261 11月 30 10:49 gengdb.sh
-rw-rw-r-- 1 dev dev 69707 1月 18 15:24 my.gdb
-rw-rw-r-- 1 dev dev 6706 1月 18 15:24 node.out
-rw-r--r--. 1 dev dev 9954 11月 30 10:49 node.txt通过将 source /xx/xx/my.gdb 写入 ~/.gdbinit 或者 gdb -x my.gdb 等方式加载。
调试效果
有需要的同学可自主更改脚本，编出适合自己的gdb调试脚本