jvmti_agent.c File Reference

#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <limits.h>
#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <sys/mman.h>
#include <syscall.h>
#include <err.h>
#include "jvmti_agent.h"
#include "../util/jitdump.h"

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Macros
#define	JIT_LANG   "java"
#define	NSEC_PER_SEC   1000000000

Functions
static pid_t	gettid (void)
static int	get_e_machine (struct jitheader *hdr)
static uint64_t	get_arch_timestamp (void)
static uint64_t	timespec_to_ns (const struct timespec *ts)
static uint64_t	perf_get_timestamp (void)
static int	debug_cache_init (void)
static int	perf_open_marker_file (int fd)
static void	perf_close_marker_file (void)
static void	init_arch_timestamp (void)
void *	jvmti_open (void)
int	jvmti_close (void *agent)
int	jvmti_write_code (void *agent, char const *sym, uint64_t vma, void const *code, unsigned int const size)
int	jvmti_write_debug_info (void *agent, uint64_t code, int nr_lines, jvmti_line_info_t *li, const char *const *file_names)

Variables
static char	jit_path [PATH_MAX]
static void *	marker_addr
static int	use_arch_timestamp
static int	perf_clk_id = CLOCK_MONOTONIC

Macro Definition Documentation

JIT_LANG

#define JIT_LANG   "java"

Definition at line 42 of file jvmti_agent.c.

NSEC_PER_SEC

#define NSEC_PER_SEC   1000000000

Definition at line 101 of file jvmti_agent.c.

Function Documentation

debug_cache_init()

static int debug_cache_init ( void  )

static

Definition at line 127 of file jvmti_agent.c.

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get_arch_timestamp()

static uint64_t get_arch_timestamp ( void  )

inlinestatic

Definition at line 88 of file jvmti_agent.c.

get_e_machine()

static int get_e_machine ( struct jitheader *  hdr )

static

Definition at line 52 of file jvmti_agent.c.

gettid()

static pid_t gettid ( void  )

inlinestatic

Definition at line 47 of file jvmti_agent.c.

init_arch_timestamp()

static void init_arch_timestamp ( void  )

static

Definition at line 216 of file jvmti_agent.c.

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jvmti_close()

int jvmti_close

(

void *

agent

)

Definition at line 301 of file jvmti_agent.c.

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jvmti_open()

void* jvmti_open

(

void

)

Definition at line 226 of file jvmti_agent.c.

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jvmti_write_code()

int jvmti_write_code	(	void *	agent,
		char const *	sym,
		uint64_t	vma,
		void const *	code,
		unsigned int const	size
	)

Definition at line 329 of file jvmti_agent.c.

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jvmti_write_debug_info()

int jvmti_write_debug_info	(	void *	agent,
		uint64_t	code,
		int	nr_lines,
		jvmti_line_info_t *	li,
		const char *const *	file_names
	)

Definition at line 387 of file jvmti_agent.c.

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perf_close_marker_file()

static void perf_close_marker_file ( void  )

static

Definition at line 201 of file jvmti_agent.c.

perf_get_timestamp()

static uint64_t perf_get_timestamp ( void  )

inlinestatic

Definition at line 111 of file jvmti_agent.c.

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perf_open_marker_file()

static int perf_open_marker_file ( int  fd )

static

Definition at line 177 of file jvmti_agent.c.

timespec_to_ns()

static uint64_t timespec_to_ns ( const struct timespec *  ts )

inlinestatic

Definition at line 105 of file jvmti_agent.c.

Variable Documentation

jit_path

char jit_path[PATH_MAX]

static

Definition at line 44 of file jvmti_agent.c.

marker_addr

void* marker_addr

static

Definition at line 45 of file jvmti_agent.c.

perf_clk_id

int perf_clk_id = CLOCK_MONOTONIC

static

Definition at line 102 of file jvmti_agent.c.

use_arch_timestamp

int use_arch_timestamp

static

Definition at line 85 of file jvmti_agent.c.