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/* Copyright (C) 2000 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
/* Note: this file must be compilable by the C compiler (for now,
assuming GNU C is ok). This means you must never use `//'
comments, and all C++-specific code must be conditional on
__cplusplus. */
#ifndef __GCJ_JVMPI_H__
#define __GCJ_JVMPI_H__
#include <jni.h>
/* JVMPI version numbers. FIXME: this is a semi-random number. The
documentation doesn't say what it should be. */
#define JVMPI_VERSION_1 0x00020001
/* JVMPI return codes. FIXME: These are semi-random numbers. The
documentation doesn't say what they should be. */
#define JVMPI_SUCCESS 0
#define JVMPI_FAIL 1
#define JVMPI_NOT_AVAILABLE 2
/* An opaque pointer representing an object ID. */
struct _jobjectID;
typedef struct _jobjectID * jobjectID;
typedef struct
{
/* Source line number. */
jint lineno;
/* Method being executed. */
jmethodID method_id;
} JVMPI_CallFrame;
typedef struct
{
JNIEnv *env_id;
/* Number of frames in the call trace. */
jint num_frames;
/* An array of frames representing the trace. Callees first. */
JVMPI_CallFrame *frames;
} JVMPI_CallTrace;
typedef struct
{
/* Name of the field. */
char *field_name;
/* Signature of the field. */
char *field_signature;
} JVMPI_Field;
/* The documentation doesn't actually specify what the
JVMPI_DUMP_LEVEL macros should be defined to. Here's a reasonable
guess. */
#define JVMPI_DUMP_LEVEL_0 0
#define JVMPI_DUMP_LEVEL_1 1
#define JVMPI_DUMP_LEVEL_2 2
#define JVMPI_DUMP_LEVEL_3 3
typedef struct
{
/* One of JVMPI_DUMP_LEVEL_0, JVMPI_DUMP_LEVEL_1 or
JVMPI_DUMP_LEVEL_2. */
jint heap_dump_level;
} JVMPI_HeapDumpArg;
typedef struct
{
/* Offset from the beginning of the method. */
jint offset;
/* Line number from the beginning of the source file. */
jint lineno;
} JVMPI_Lineno;
typedef struct
{
/* Name of the method. */
char *method_name;
/* Signature of the method. */
char *method_signature;
/* Start line number from the beginning of the source file. */
jint start_lineno;
/* End line number from the beginning of the source file. */
jint end_lineno;
/* The method ID. */
jmethodID method_id;
} JVMPI_Method;
/* An opaque pointer representing a raw monitor. */
struct _JVMPI_RawMonitor;
typedef struct _JVMPI_RawMonitor *JVMPI_RawMonitor;
/* JVMPI event codes. FIXME: These are semi-random numbers. The
documentation doesn't say what they should be. */
#define JVMPI_EVENT_ARENA_DELETE 0
#define JVMPI_EVENT_ARENA_NEW 1
#define JVMPI_EVENT_CLASS_LOAD 2
#define JVMPI_EVENT_CLASS_LOAD_HOOK 3
#define JVMPI_EVENT_CLASS_UNLOAD 4
#define JVMPI_EVENT_COMPILED_METHOD_LOAD 5
#define JVMPI_EVENT_COMPILED_METHOD_UNLOAD 6
#define JVMPI_EVENT_DATA_DUMP_REQUEST 7
#define JVMPI_EVENT_DATA_RESET_REQUEST 8
#define JVMPI_EVENT_GC_FINISH 9
#define JVMPI_EVENT_GC_START 10
#define JVMPI_EVENT_HEAP_DUMP 11
#define JVMPI_EVENT_JNI_GLOBALREF_ALLOC 12
#define JVMPI_EVENT_JNI_GLOBALREF_FREE 13
#define JVMPI_EVENT_JNI_WEAK_GLOBALREF_ALLOC 14
#define JVMPI_EVENT_JNI_WEAK_GLOBALREF_FREE 15
#define JVMPI_EVENT_JVM_INIT_DONE 16
#define JVMPI_EVENT_JVM_SHUT_DOWN 17
#define JVMPI_EVENT_METHOD_ENTRY 18
#define JVMPI_EVENT_METHOD_ENTRY2 19
#define JVMPI_EVENT_METHOD_EXIT 20
#define JVMPI_EVENT_MONITOR_CONTENDED_ENTER 21
#define JVMPI_EVENT_MONITOR_CONTENDED_ENTERED 22
#define JVMPI_EVENT_MONITOR_CONTENDED_EXIT 23
#define JVMPI_EVENT_MONITOR_DUMP 24
#define JVMPI_EVENT_MONITOR_WAIT 25
#define JVMPI_EVENT_MONITOR_WAITED 26
#define JVMPI_EVENT_OBJECT_ALLOC 27
#define JVMPI_EVENT_OBJECT_DUMP 28
#define JVMPI_EVENT_OBJECT_FREE 29
#define JVMPI_EVENT_OBJECT_MOVE 30
#define JVMPI_EVENT_RAW_MONITOR_CONTENDED_ENTER 31
#define JVMPI_EVENT_RAW_MONITOR_CONTENDED_ENTERED 32
#define JVMPI_EVENT_RAW_MONITOR_CONTENDED_EXIT 33
#define JVMPI_EVENT_THREAD_END 34
#define JVMPI_EVENT_THREAD_START 35
#define JVMPI_EVENT_INSTRUCTION_START 36
typedef struct
{
/* Event type. */
jint event_type;
/* Evn where this event occurred. */
JNIEnv *env_id;
union
{
struct
{
char *class_name;
char *source_name;
jint num_interfaces;
jint num_methods;
JVMPI_Method *methods;
jint num_static_fields;
JVMPI_Field *statics;
jint num_instance_fields;
JVMPI_Field *instances;
jobjectID class_id;
} class_load;
struct
{
jobjectID class_id;
} class_unload;
struct
{
jint arena_id;
jobjectID class_id;
jint is_array;
jint size;
jobjectID obj_id;
} obj_alloc;
struct
{
char *thread_name;
char *group_name;
char *parent_name;
jobjectID thread_id;
JNIEnv *thread_env_id;
} thread_start;
} u;
} JVMPI_Event;
typedef struct
{
/* JVMPI version number. */
jint version;
/* Implemented by the user... */
void (*NotifyEvent) (JVMPI_Event *event);
/* Implemented by the runtime... */
jint (*EnableEvent) (jint event_type, void *arg);
jint (*DisableEvent) (jint event_type, void *arg);
jint (*RequestEvent) (jint event_type, void *arg);
void (*GetCallTrace) (JVMPI_CallTrace *trace, jint depth);
void (*ProfilerExit) (jint);
JVMPI_RawMonitor (*RawMonitorCreate) (char *lock_name);
void (*RawMonitorEnter) (JVMPI_RawMonitor lock_id);
void (*RawMonitorExit) (JVMPI_RawMonitor lock_id);
void (*RawMonitorWait) (JVMPI_RawMonitor lock_id, jlong ms);
void (*RawMonitorNotifyAll) (JVMPI_RawMonitor lock_id);
void (*RawMonitorDestroy) (JVMPI_RawMonitor lock_id);
jlong (*GetCurrentThreadCpuTime) (void);
void (*SuspendThread) (JNIEnv *env);
void (*ResumeThread) (JNIEnv *env);
jint (*GetThreadStatus) (JNIEnv *env);
jboolean (*ThreadHasRun) (JNIEnv *env);
jint (*CreateSystemThread) (char *name, jint priority, void (*f) (void *));
void (*SetThreadLocalStorage) (JNIEnv *env_id, void *ptr);
void *(*GetThreadLocalStorage) (JNIEnv *env_id);
void (*DisableGC) (void);
void (*EnableGC) (void);
void (*RunGC) (void);
jobjectID (*GetThreadObject) (JNIEnv *env);
jobjectID (*GetMethodClass) (jmethodID mid);
} JVMPI_Interface;
#endif /* __GCJ_JVMPI_H__ */
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