libjvmti_oprofile.c File Reference

#include <stdio.h>
#include <jvmti.h>
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <errno.h>
#include "opagent.h"

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Functions
static int	handle_error (jvmtiError err, char const *msg, int severe)
static struct debug_line_info *	create_debug_line_info (jint map_length, jvmtiAddrLocationMap const map, jint entry_count, jvmtiLineNumberEntry table_ptr, char const *source_filename)
static void JNICALL	cb_compiled_method_load (jvmtiEnv jvmti, jmethodID method, jint code_size, void const code_addr, jint map_length, jvmtiAddrLocationMap const map, void const compile_info)
static void JNICALL	cb_compiled_method_unload (jvmtiEnv jvmti_env, jmethodID method, void const code_addr)
static void JNICALL	cb_dynamic_code_generated (jvmtiEnv jvmti_env, char const name, void const *code_addr, jint code_size)
JNIEXPORT jint JNICALL	Agent_OnLoad (JavaVM jvm, char options, void *reserved)
JNIEXPORT void JNICALL	Agent_OnUnload (JavaVM *jvm)
Variables
static int	debug = 0
static int	can_get_line_numbers = 1
static op_agent_t	agent_hdl

Function Documentation

JNIEXPORT jint JNICALL Agent_OnLoad	(	JavaVM *	jvm,
		char *	options,
		void *	reserved
	)

Definition at line 239 of file libjvmti_oprofile.c.

References agent_hdl, can_get_line_numbers, cb_compiled_method_load(), cb_compiled_method_unload(), cb_dynamic_code_generated(), debug, error(), format(), handle_error(), op_major_version(), op_minor_version(), and op_open_agent().

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JNIEXPORT void JNICALL Agent_OnUnload ( JavaVM * jvm )

Definition at line 321 of file libjvmti_oprofile.c.

References agent_hdl, and op_close_agent().

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static void JNICALL cb_compiled_method_load	(	jvmtiEnv *	jvmti,
		jmethodID	method,
		jint	code_size,
		void const *	code_addr,
		jint	map_length,
		jvmtiAddrLocationMap const *	map,
		void const *	compile_info
	)			`[static]`

Definition at line 115 of file libjvmti_oprofile.c.

References agent_hdl, buf, can_get_line_numbers, cleanup(), create_debug_line_info(), debug, entry_count, handle_error(), op_write_debug_line_info(), and op_write_native_code().

Referenced by Agent_OnLoad().

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static void JNICALL cb_compiled_method_unload	(	jvmtiEnv *	jvmti_env,
		jmethodID	method,
		void const *	code_addr
	)			`[static]`

Definition at line 208 of file libjvmti_oprofile.c.

References agent_hdl, debug, and op_unload_native_code().

Referenced by Agent_OnLoad().

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static void JNICALL cb_dynamic_code_generated	(	jvmtiEnv *	jvmti_env,
		char const *	name,
		void const *	code_addr,
		jint	code_size
	)			`[static]`

Definition at line 222 of file libjvmti_oprofile.c.

References agent_hdl, debug, and op_write_native_code().

Referenced by Agent_OnLoad().

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static struct debug_line_info* create_debug_line_info	(	jint	map_length,
		jvmtiAddrLocationMap const *	map,
		jint	entry_count,
		jvmtiLineNumberEntry *	table_ptr,
		char const *	source_filename
	)			`[static, read]`

returned array is map_length length, params map and map_length != 0 format of lineno information is JVMTI_JLOCATION_JVMBCI, map is an array of { address, code byte index }, table_ptr an array of { byte code index, lineno }

Definition at line 62 of file libjvmti_oprofile.c.

References debug, filename, debug_line_info::filename, debug_line_info::lineno, and debug_line_info::vma.

Referenced by cb_compiled_method_load().

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