diff options
Diffstat (limited to 'source/components/executer/exdebug.c')
| -rw-r--r-- | source/components/executer/exdebug.c | 372 |
1 files changed, 372 insertions, 0 deletions
diff --git a/source/components/executer/exdebug.c b/source/components/executer/exdebug.c index 6ca866c01b04e..f50d07b17945e 100644 --- a/source/components/executer/exdebug.c +++ b/source/components/executer/exdebug.c @@ -43,13 +43,26 @@ #include "acpi.h" #include "accommon.h" +#include "acnamesp.h" #include "acinterp.h" +#include "acparser.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exdebug") +static ACPI_OPERAND_OBJECT *AcpiGbl_TraceMethodObject = NULL; + +/* Local prototypes */ + +#ifdef ACPI_DEBUG_OUTPUT +static const char * +AcpiExGetTraceEventName ( + ACPI_TRACE_EVENT_TYPE Type); +#endif + + #ifndef ACPI_NO_ERROR_MESSAGES /******************************************************************************* * @@ -314,3 +327,362 @@ AcpiExDoDebugObject ( return_VOID; } #endif + + +/******************************************************************************* + * + * FUNCTION: AcpiExInterpreterTraceEnabled + * + * PARAMETERS: Name - Whether method name should be matched, + * this should be checked before starting + * the tracer + * + * RETURN: TRUE if interpreter trace is enabled. + * + * DESCRIPTION: Check whether interpreter trace is enabled + * + ******************************************************************************/ + +static BOOLEAN +AcpiExInterpreterTraceEnabled ( + char *Name) +{ + + /* Check if tracing is enabled */ + + if (!(AcpiGbl_TraceFlags & ACPI_TRACE_ENABLED)) + { + return (FALSE); + } + + /* + * Check if tracing is filtered: + * + * 1. If the tracer is started, AcpiGbl_TraceMethodObject should have + * been filled by the trace starter + * 2. If the tracer is not started, AcpiGbl_TraceMethodName should be + * matched if it is specified + * 3. If the tracer is oneshot style, AcpiGbl_TraceMethodName should + * not be cleared by the trace stopper during the first match + */ + if (AcpiGbl_TraceMethodObject) + { + return (TRUE); + } + if (Name && + (AcpiGbl_TraceMethodName && + strcmp (AcpiGbl_TraceMethodName, Name))) + { + return (FALSE); + } + if ((AcpiGbl_TraceFlags & ACPI_TRACE_ONESHOT) && + !AcpiGbl_TraceMethodName) + { + return (FALSE); + } + + return (TRUE); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiExGetTraceEventName + * + * PARAMETERS: Type - Trace event type + * + * RETURN: Trace event name. + * + * DESCRIPTION: Used to obtain the full trace event name. + * + ******************************************************************************/ + +#ifdef ACPI_DEBUG_OUTPUT + +static const char * +AcpiExGetTraceEventName ( + ACPI_TRACE_EVENT_TYPE Type) +{ + switch (Type) + { + case ACPI_TRACE_AML_METHOD: + + return "Method"; + + case ACPI_TRACE_AML_OPCODE: + + return "Opcode"; + + case ACPI_TRACE_AML_REGION: + + return "Region"; + + default: + + return ""; + } +} + +#endif + + +/******************************************************************************* + * + * FUNCTION: AcpiExTracePoint + * + * PARAMETERS: Type - Trace event type + * Begin - TRUE if before execution + * Aml - Executed AML address + * Pathname - Object path + * + * RETURN: None + * + * DESCRIPTION: Internal interpreter execution trace. + * + ******************************************************************************/ + +void +AcpiExTracePoint ( + ACPI_TRACE_EVENT_TYPE Type, + BOOLEAN Begin, + UINT8 *Aml, + char *Pathname) +{ + + ACPI_FUNCTION_NAME (ExTracePoint); + + + if (Pathname) + { + ACPI_DEBUG_PRINT ((ACPI_DB_TRACE_POINT, + "%s %s [0x%p:%s] execution.\n", + AcpiExGetTraceEventName (Type), Begin ? "Begin" : "End", + Aml, Pathname)); + } + else + { + ACPI_DEBUG_PRINT ((ACPI_DB_TRACE_POINT, + "%s %s [0x%p] execution.\n", + AcpiExGetTraceEventName (Type), Begin ? "Begin" : "End", + Aml)); + } +} + + +/******************************************************************************* + * + * FUNCTION: AcpiExStartTraceMethod + * + * PARAMETERS: MethodNode - Node of the method + * ObjDesc - The method object + * WalkState - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Start control method execution trace + * + ******************************************************************************/ + +void +AcpiExStartTraceMethod ( + ACPI_NAMESPACE_NODE *MethodNode, + ACPI_OPERAND_OBJECT *ObjDesc, + ACPI_WALK_STATE *WalkState) +{ + ACPI_STATUS Status; + char *Pathname = NULL; + BOOLEAN Enabled = FALSE; + + + ACPI_FUNCTION_NAME (ExStartTraceMethod); + + + if (MethodNode) + { + Pathname = AcpiNsGetNormalizedPathname (MethodNode, TRUE); + } + + Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE (Status)) + { + goto Exit; + } + + Enabled = AcpiExInterpreterTraceEnabled (Pathname); + if (Enabled && !AcpiGbl_TraceMethodObject) + { + AcpiGbl_TraceMethodObject = ObjDesc; + AcpiGbl_OriginalDbgLevel = AcpiDbgLevel; + AcpiGbl_OriginalDbgLayer = AcpiDbgLayer; + AcpiDbgLevel = ACPI_TRACE_LEVEL_ALL; + AcpiDbgLayer = ACPI_TRACE_LAYER_ALL; + + if (AcpiGbl_TraceDbgLevel) + { + AcpiDbgLevel = AcpiGbl_TraceDbgLevel; + } + if (AcpiGbl_TraceDbgLayer) + { + AcpiDbgLayer = AcpiGbl_TraceDbgLayer; + } + } + (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); + +Exit: + if (Enabled) + { + ACPI_TRACE_POINT (ACPI_TRACE_AML_METHOD, TRUE, + ObjDesc ? ObjDesc->Method.AmlStart : NULL, Pathname); + } + if (Pathname) + { + ACPI_FREE (Pathname); + } +} + + +/******************************************************************************* + * + * FUNCTION: AcpiExStopTraceMethod + * + * PARAMETERS: MethodNode - Node of the method + * ObjDesc - The method object + * WalkState - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Stop control method execution trace + * + ******************************************************************************/ + +void +AcpiExStopTraceMethod ( + ACPI_NAMESPACE_NODE *MethodNode, + ACPI_OPERAND_OBJECT *ObjDesc, + ACPI_WALK_STATE *WalkState) +{ + ACPI_STATUS Status; + char *Pathname = NULL; + BOOLEAN Enabled; + + + ACPI_FUNCTION_NAME (ExStopTraceMethod); + + + if (MethodNode) + { + Pathname = AcpiNsGetNormalizedPathname (MethodNode, TRUE); + } + + Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE (Status)) + { + goto ExitPath; + } + + Enabled = AcpiExInterpreterTraceEnabled (NULL); + + (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); + + if (Enabled) + { + ACPI_TRACE_POINT (ACPI_TRACE_AML_METHOD, FALSE, + ObjDesc ? ObjDesc->Method.AmlStart : NULL, Pathname); + } + + Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE (Status)) + { + goto ExitPath; + } + + /* Check whether the tracer should be stopped */ + + if (AcpiGbl_TraceMethodObject == ObjDesc) + { + /* Disable further tracing if type is one-shot */ + + if (AcpiGbl_TraceFlags & ACPI_TRACE_ONESHOT) + { + AcpiGbl_TraceMethodName = NULL; + } + + AcpiDbgLevel = AcpiGbl_OriginalDbgLevel; + AcpiDbgLayer = AcpiGbl_OriginalDbgLayer; + AcpiGbl_TraceMethodObject = NULL; + } + + (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); + +ExitPath: + if (Pathname) + { + ACPI_FREE (Pathname); + } +} + + +/******************************************************************************* + * + * FUNCTION: AcpiExStartTraceOpcode + * + * PARAMETERS: Op - The parser opcode object + * WalkState - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Start opcode execution trace + * + ******************************************************************************/ + +void +AcpiExStartTraceOpcode ( + ACPI_PARSE_OBJECT *Op, + ACPI_WALK_STATE *WalkState) +{ + + ACPI_FUNCTION_NAME (ExStartTraceOpcode); + + + if (AcpiExInterpreterTraceEnabled (NULL) && + (AcpiGbl_TraceFlags & ACPI_TRACE_OPCODE)) + { + ACPI_TRACE_POINT (ACPI_TRACE_AML_OPCODE, TRUE, + Op->Common.Aml, Op->Common.AmlOpName); + } +} + + +/******************************************************************************* + * + * FUNCTION: AcpiExStopTraceOpcode + * + * PARAMETERS: Op - The parser opcode object + * WalkState - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Stop opcode execution trace + * + ******************************************************************************/ + +void +AcpiExStopTraceOpcode ( + ACPI_PARSE_OBJECT *Op, + ACPI_WALK_STATE *WalkState) +{ + + ACPI_FUNCTION_NAME (ExStopTraceOpcode); + + + if (AcpiExInterpreterTraceEnabled (NULL) && + (AcpiGbl_TraceFlags & ACPI_TRACE_OPCODE)) + { + ACPI_TRACE_POINT (ACPI_TRACE_AML_OPCODE, FALSE, + Op->Common.Aml, Op->Common.AmlOpName); + } +} |