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Name	Size	Permission	Date
events	[ DIR ]	drwxrwxr-x	2022-10-31 11:36
fpm.c	2.78 KB	-rw-rw-r--	2022-10-31 11:36
fpm.h	1.07 KB	-rw-rw-r--	2022-10-31 11:36
fpm_arrays.h	1.76 KB	-rw-rw-r--	2022-10-31 11:36
fpm_atomic.h	3.9 KB	-rw-rw-r--	2022-10-31 11:36
fpm_children.c	11.38 KB	-rw-rw-r--	2022-10-31 11:36
fpm_children.h	857 B	-rw-rw-r--	2022-10-31 11:36
fpm_cleanup.c	782 B	-rw-rw-r--	2022-10-31 11:36
fpm_cleanup.h	452 B	-rw-rw-r--	2022-10-31 11:36
fpm_clock.c	2.17 KB	-rw-rw-r--	2022-10-31 11:36
fpm_clock.h	175 B	-rw-rw-r--	2022-10-31 11:36
fpm_conf.c	51.25 KB	-rw-rw-r--	2022-10-31 11:36
fpm_conf.h	2.5 KB	-rw-rw-r--	2022-10-31 11:36
fpm_config.h	2.04 KB	-rw-rw-r--	2022-10-31 11:36
fpm_env.c	5.39 KB	-rw-rw-r--	2022-10-31 11:36
fpm_env.h	428 B	-rw-rw-r--	2022-10-31 11:36
fpm_events.c	12.4 KB	-rw-rw-r--	2022-10-31 11:36
fpm_events.h	1.53 KB	-rw-rw-r--	2022-10-31 11:36
fpm_log.c	11.46 KB	-rw-rw-r--	2022-10-31 11:36
fpm_log.h	227 B	-rw-rw-r--	2022-10-31 11:36
fpm_main.c	59.7 KB	-rw-rw-r--	2022-10-31 11:36
fpm_php.c	6.03 KB	-rw-rw-r--	2022-10-31 11:36
fpm_php.h	1.14 KB	-rw-rw-r--	2022-10-31 11:36
fpm_php_trace.c	4.67 KB	-rw-rw-r--	2022-10-31 11:36
fpm_php_trace.h	162 B	-rw-rw-r--	2022-10-31 11:36
fpm_process_ctl.c	13.81 KB	-rw-rw-r--	2022-10-31 11:36
fpm_process_ctl.h	1.16 KB	-rw-rw-r--	2022-10-31 11:36
fpm_request.c	7.94 KB	-rw-rw-r--	2022-10-31 11:36
fpm_request.h	1.13 KB	-rw-rw-r--	2022-10-31 11:36
fpm_scoreboard.c	8.05 KB	-rw-rw-r--	2022-10-31 11:36
fpm_scoreboard.h	2.45 KB	-rw-rw-r--	2022-10-31 11:36
fpm_shm.c	1.17 KB	-rw-rw-r--	2022-10-31 11:36
fpm_shm.h	200 B	-rw-rw-r--	2022-10-31 11:36
fpm_signals.c	7.02 KB	-rw-rw-r--	2022-10-31 11:36
fpm_signals.h	361 B	-rw-rw-r--	2022-10-31 11:36
fpm_sockets.c	12.96 KB	-rw-rw-r--	2022-10-31 11:36
fpm_sockets.h	1009 B	-rw-rw-r--	2022-10-31 11:36
fpm_status.c	17.63 KB	-rw-rw-r--	2022-10-31 11:36
fpm_status.h	1.05 KB	-rw-rw-r--	2022-10-31 11:36
fpm_stdio.c	9.02 KB	-rw-rw-r--	2022-10-31 11:36
fpm_stdio.h	604 B	-rw-rw-r--	2022-10-31 11:36
fpm_str.h	421 B	-rw-rw-r--	2022-10-31 11:36
fpm_systemd.c	3.1 KB	-rw-rw-r--	2022-10-31 11:36
fpm_systemd.h	274 B	-rw-rw-r--	2022-10-31 11:36
fpm_trace.c	524 B	-rw-rw-r--	2022-10-31 11:36
fpm_trace.h	313 B	-rw-rw-r--	2022-10-31 11:36
fpm_trace_mach.c	1.92 KB	-rw-rw-r--	2022-10-31 11:36
fpm_trace_pread.c	1.1 KB	-rw-rw-r--	2022-10-31 11:36
fpm_trace_ptrace.c	1.53 KB	-rw-rw-r--	2022-10-31 11:36
fpm_unix.c	16.22 KB	-rw-rw-r--	2022-10-31 11:36
fpm_unix.h	454 B	-rw-rw-r--	2022-10-31 11:36
fpm_worker_pool.c	1.74 KB	-rw-rw-r--	2022-10-31 11:36
fpm_worker_pool.h	1.23 KB	-rw-rw-r--	2022-10-31 11:36
zlog.c	21.7 KB	-rw-rw-r--	2022-10-31 11:36
zlog.h	3.58 KB	-rw-rw-r--	2022-10-31 11:36

Rename

#include "fpm_config.h"

#include <mach/mach.h>
#include <mach/mach_vm.h>

#include <unistd.h>

#include "fpm_trace.h"
#include "fpm_process_ctl.h"
#include "fpm_unix.h"
#include "zlog.h"

static mach_port_name_t target;
static vm_offset_t target_page_base;
static vm_offset_t local_page;
static mach_msg_type_number_t local_size;

static void fpm_mach_vm_deallocate() /* {{{ */
{
	if (local_page) {
		mach_vm_deallocate(mach_task_self(), local_page, local_size);
		target_page_base = 0;
		local_page = 0;
		local_size = 0;
	}
}
/* }}} */

static int fpm_mach_vm_read_page(vm_offset_t page) /* {{{ */
{
	kern_return_t kr;

kr = mach_vm_read(target, page, fpm_pagesize, &local_page, &local_size);
	if (kr != KERN_SUCCESS) {
		zlog(ZLOG_ERROR, "failed to read vm page: mach_vm_read(): %s (%d)", mach_error_string(kr), kr);
		return -1;
	}
	return 0;
}
/* }}} */

int fpm_trace_signal(pid_t pid) /* {{{ */
{
	if (0 > fpm_pctl_kill(pid, FPM_PCTL_STOP)) {
		zlog(ZLOG_SYSERROR, "failed to send SIGSTOP to %d", pid);
		return -1;
	}
	return 0;
}
/* }}} */

int fpm_trace_ready(pid_t pid) /* {{{ */
{
	kern_return_t kr;

kr = task_for_pid(mach_task_self(), pid, &target);
	if (kr != KERN_SUCCESS) {
		char *msg = "";

if (kr == KERN_FAILURE) {
			msg = " It seems that master process does not have enough privileges to trace processes.";
		}
		zlog(ZLOG_ERROR, "task_for_pid() failed: %s (%d)%s", mach_error_string(kr), kr, msg);
		return -1;
	}
	return 0;
}
/* }}} */

int fpm_trace_close(pid_t pid) /* {{{ */
{
	fpm_mach_vm_deallocate();
	target = 0;
	return 0;
}
/* }}} */

int fpm_trace_get_long(long addr, long *data) /* {{{ */
{
	size_t offset = ((uintptr_t) (addr) % fpm_pagesize);
	vm_offset_t base = (uintptr_t) (addr) - offset;

if (base != target_page_base) {
		fpm_mach_vm_deallocate();
		if (0 > fpm_mach_vm_read_page(base)) {
			return -1;
		}
	}
	*data = * (long *) (local_page + offset);
	return 0;
}
/* }}} */