C++ debug_dump函数代码示例

static int curl_cb_debug(CURL *curl, curl_infotype info, char *buf, size_t len,
			 void *userdata)
{
	struct http_ctx *ctx = userdata;
	switch (info) {
	case CURLINFO_TEXT:
		debug_dump(ctx, "CURLINFO_TEXT", buf, len);
		break;
	case CURLINFO_HEADER_IN:
		debug_dump(ctx, "CURLINFO_HEADER_IN", buf, len);
		break;
	case CURLINFO_HEADER_OUT:
		debug_dump(ctx, "CURLINFO_HEADER_OUT", buf, len);
		break;
	case CURLINFO_DATA_IN:
		debug_dump(ctx, "CURLINFO_DATA_IN", buf, len);
		break;
	case CURLINFO_DATA_OUT:
		debug_dump(ctx, "CURLINFO_DATA_OUT", buf, len);
		break;
	case CURLINFO_SSL_DATA_IN:
		wpa_printf(MSG_DEBUG, "debug - CURLINFO_SSL_DATA_IN - %d",
			   (int) len);
		break;
	case CURLINFO_SSL_DATA_OUT:
		wpa_printf(MSG_DEBUG, "debug - CURLINFO_SSL_DATA_OUT - %d",
			   (int) len);
		break;
	case CURLINFO_END:
		wpa_printf(MSG_DEBUG, "debug - CURLINFO_END - %d",
			   (int) len);
		break;
	}
	return 0;
}

/*
 * analyze_object
 * Look at a library loaded into the current process, and determine as much as
 * possible about it. The disassembling, allocations are initiated here.
 *
 * This is a callback function, passed to dl_iterate_phdr(3).
 * data and size are just unused callback arguments.
 *
 *
 * From dl_iterate_phdr(3) man page:
 *
 * struct dl_phdr_info
 * {
 *     ElfW(Addr) dlpi_addr;             Base address of object
 *     const char *dlpi_name;            (Null-terminated) name of object
 *     const ElfW(Phdr) *dlpi_phdr;      Pointer to array of ELF program headers
 *     ElfW(Half) dlpi_phnum;            # of items in dlpi_phdr
 *     ...
 * }
 *
 */
static int
analyze_object(struct dl_phdr_info *info, size_t size, void *data)
{
	(void) data;
	(void) size;
	const char *path;

	debug_dump("analyze_object called on \"%s\" at 0x%016" PRIxPTR "\n",
	    info->dlpi_name, info->dlpi_addr);

	if ((path = get_object_path(info)) == NULL)
		return 0;

	debug_dump("analyze %s\n", path);

	if (!should_patch_object(info->dlpi_addr, path))
		return 0;

	struct intercept_desc *patches = allocate_next_obj_desc();

	patches->base_addr = (unsigned char *)info->dlpi_addr;
	patches->path = path;
	find_syscalls(patches);
	allocate_trampoline_table(patches);
	create_patch_wrappers(patches);

	return 0;
}

int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
{
	int ret = 0;
#else
#define deb_info(args...) d;
#endif
	u8 *buf = d->priv;

	buf[0] = cmd;

	if (outlen > 19)
		outlen = 19;

	if (inlen > 11)
		inlen = 11;

	ret = mutex_lock_interruptible(&d->usb_mutex);
	if (ret)
		return ret;

	if (out != NULL && outlen > 0)
		memcpy(&buf[1], out, outlen);

	deb_xfer("out buffer: ");
	debug_dump(buf, outlen+1, deb_xfer);


	if (usb_control_msg(d->udev,
			usb_sndctrlpipe(d->udev,0),
			TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
			buf, 20, 2000) != 20) {
		err("USB control message 'out' went wrong.");
		ret = -EIO;
		goto unlock;
	}

	msleep(msec);

	if (usb_control_msg(d->udev,
			usb_rcvctrlpipe(d->udev,0),
			TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
			buf, 12, 2000) != 12) {
		err("USB control message 'in' went wrong.");
		ret = -EIO;
		goto unlock;
	}

	deb_xfer("in buffer: ");
	debug_dump(buf, 12, deb_xfer);

	if (in != NULL && inlen > 0)
		memcpy(in, &buf[1], inlen);

unlock:
	mutex_unlock(&d->usb_mutex);

	return ret;
}

int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
{
	int ret = 0;
	u8 inbuf[12] = { 0 }, outbuf[20] = { 0 };

	outbuf[0] = cmd;

	if (outlen > 19)
		outlen = 19;

	if (inlen > 11)
		inlen = 11;

	if (out != NULL && outlen > 0)
		memcpy(&outbuf[1], out, outlen);

	deb_xfer("out buffer: ");
	debug_dump(outbuf,outlen+1,deb_xfer);

	if ((ret = down_interruptible(&d->usb_sem)))
		return ret;

	if (usb_control_msg(d->udev,
			usb_sndctrlpipe(d->udev,0),
			TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
			outbuf, 20, 2000) != 20) {
		err("USB control message 'out' went wrong.");
		ret = -EIO;
		goto unlock;
	}

	msleep(msec);

	if (usb_control_msg(d->udev,
			usb_rcvctrlpipe(d->udev,0),
			TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
			inbuf, 12, 2000) != 12) {
		err("USB control message 'in' went wrong.");
		ret = -EIO;
		goto unlock;
	}

	deb_xfer("in buffer: ");
	debug_dump(inbuf,12,deb_xfer);

	if (in != NULL && inlen > 0)
		memcpy(in,&inbuf[1],inlen);

unlock:
	up(&d->usb_sem);

	return ret;
}

dbuf_t *dtry_reasm_timed(void *pile, uint32_t xid, char *data, uint16_t len, uint16_t offs, int more, time_t now) {
  reasm_pile_struct_t *rp = (void *)(((dbuf_t *)pile)->buf);
  reasm_chunk_t *chk;
  
  if (now > 0) {
    check_timeouts(rp, now);
  }

  if(offs + len > rp->mtu) {
    debug(DBG_REASM, 10, "Offset + length (%d + %d) of fragment > MTU (%d), discard", offs, len, rp->mtu); 
    return NULL;
  }
  if ((offs > 0) && (offs < HOLE_MIN_LENGTH)) {
    debug(DBG_REASM, 10, "Offset %d less than min hole length %d\n", offs, HOLE_MIN_LENGTH);
    return NULL;
  }
  
  chk = hfind(rp->chs, &xid, sizeof(xid));
  if (!chk) {
    debug(DBG_REASM, 10, "Reasm chunk %lu not found, creating", xid); 
    chk = malloc(sizeof(reasm_chunk_t));
    chk->xid = xid;
    chk->maxfrags = rp->maxfrags;
    chk->hole = 0;
    chk->esize = rp->ftu;
    chk->d = dalloc(chk->esize);
    chk->deadline = now + rp->reasm_timeout;
    memset(chk->d->buf, 0xaa, chk->d->size);
    hole_set(chk, 0, chk->esize, 0);
    hinsert(rp->chs, &xid, sizeof(xid), chk, chk_destructor, NULL, NULL, NULL); 
    TAILQ_INSERT_TAIL(&rp->lru, chk, entries);
  } else {
    debug(DBG_REASM, 10, "Reasm chunk %lu found", xid); 
  }
  debug(DBG_REASM, 100, "Chunk data (hole: %d, esize: %d):", chk->hole, chk->esize); 
  debug_dump(DBG_REASM, 100, chk->d->buf, chk->d->size);

  if(offs + len > chk->d->size) {
    debug(DBG_REASM, 10, "Reasm chunk %lu overflow - %d + %d > %d", xid, offs, len, chk->d->size); 
    /* We already checked the MTU overflow above, so we can safely reallocate here */
    int oldsize = chk->d->size;
    dgrow(chk->d, rp->mtu - chk->d->size);
    hole_grow(chk, oldsize-1, chk->d->size);
    chk->esize = chk->d->size;
    debug(DBG_REASM, 100, "Fresh chunk data after growth to MTU:"); 
    debug_dump(DBG_REASM, 100, chk->d->buf, chk->d->size);
  } 
  chk->atime = now;


  return dperform_reasm(rp, chk, xid, data, len, offs, more);
}

int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
	u16 rlen, int delay_ms)
{
	int actlen,ret = -ENOMEM;

	if (!d || wbuf == NULL || wlen == 0)
		return -EINVAL;

	if (d->props.generic_bulk_ctrl_endpoint == 0) {
		err("endpoint for generic control not specified.");
		return -EINVAL;
	}

	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
		return ret;

	deb_xfer(">>> ");
	debug_dump(wbuf,wlen,deb_xfer);

	ret = usb_bulk_msg(d->udev,usb_sndbulkpipe(d->udev,
			d->props.generic_bulk_ctrl_endpoint), wbuf,wlen,&actlen,
			2000);

	if (ret)
		err("bulk message failed: %d (%d/%d)",ret,wlen,actlen);
	else
		ret = actlen != wlen ? -1 : 0;

	
	if (!ret && rbuf && rlen) {
		if (delay_ms)
			msleep(delay_ms);

		ret = usb_bulk_msg(d->udev,usb_rcvbulkpipe(d->udev,
				d->props.generic_bulk_ctrl_endpoint_response ?
				d->props.generic_bulk_ctrl_endpoint_response :
				d->props.generic_bulk_ctrl_endpoint),rbuf,rlen,&actlen,
				2000);

		if (ret)
			err("recv bulk message failed: %d",ret);
		else {
			deb_xfer("<<< ");
			debug_dump(rbuf,actlen,deb_xfer);
		}
	}

	mutex_unlock(&d->usb_mutex);
	return ret;
}

/*
 * Kernel debug service.
 */
int
sys_debug(int cmd, u_long arg)
{
#ifdef DEBUG
    int rc;

    switch (cmd) {
    case DCMD_DUMP:
        rc = debug_dump(arg);
        break;
    case DCMD_LOGSIZE:
        rc = LOGBUF_SIZE;
        break;
    case DCMD_GETLOG:
        rc = debug_getlog((void *)arg);
        break;
    default:
        rc = DERR(-EINVAL);
        break;
    }
    return rc;
#else
    return -ENOSYS;
#endif
}

void
debug_sigsegv ()
{
    debug_dump (1);
    unhook_all ();
    gui_main_end (0);

    string_iconv_fprintf (
        stderr,
        "\n"
        "*** Very bad! WeeChat is crashing (SIGSEGV received)\n");
    if (!log_crash_rename ())
    {
        string_iconv_fprintf (
            stderr,
            "*** Full crash dump was saved to %s/weechat.log file.\n",
            weechat_home);
    }
    string_iconv_fprintf (
        stderr,
        "***\n"
        "*** Please help WeeChat developers to fix this bug:\n"
        "***   1. If you have a core file, please run:  gdb /path/to/weechat core\n"
        "***      then issue command: \"bt full\" and send result to developers\n"
        "***      (see user's guide for more info about report of crashes).\n"
        "***   2. Otherwise send backtrace (below), only if it is a complete trace.\n"
        "***      Keep the crash log file, just in case developers ask you some info\n"
        "***      (be careful, private info like passwords may be in this file).\n\n");

    weechat_backtrace ();

    /* shutdown with error code */
    weechat_shutdown (EXIT_FAILURE, 1);
}

dbuf_t *check_reasm_done(reasm_pile_struct_t *rp, reasm_chunk_t *chk, uint16_t hoffs1, uint16_t hoffs0,
                        char *data, uint16_t len, uint16_t offs, int more) {
  dbuf_t *d = chk->d;

  if (!more) {
    debug(DBG_REASM, 20, "Set desired length %d <= %d + %d\n", chk->esize, offs, len);
    chk->esize = offs+len;
  }
  memcpy(&chk->d->buf[offs], data, len);
  reset_timeout(rp, chk);
  if (d->dsize < offs+len) {
    d->dsize = offs+len;
  }
  debug(DBG_REASM, 20, "Offs: %d, len: %d, chk->esize: %d, chk->hole: %d, d->dsize: %d", 
        offs, len, chk->esize, chk->hole, d->dsize);
  debug_dump(DBG_REASM, 100, d->buf, d->size);
  if (chk->esize == chk->hole) {
    /*
     * reassembly complete. Delete chunk, and return the dbuf.
     * do not unlock since we should have locked it anyway
     */
    d->dsize = chk->esize;
    dispose_chk(rp, chk);
    return d;
  }
  return NULL;
}

void
debug_sigsegv ()
{
    debug_dump (1);
    unhook_all ();
    gui_main_end (0);

    string_iconv_fprintf (stderr, "\n");
    string_iconv_fprintf (stderr, "*** Very bad! WeeChat is crashing (SIGSEGV received)\n");
    if (!log_crash_rename ())
        string_iconv_fprintf (stderr,
                              "*** Full crash dump was saved to %s/weechat.log file.\n",
                              weechat_home);
    string_iconv_fprintf (stderr, "***\n");
    string_iconv_fprintf (stderr, "*** Please help WeeChat developers to fix this bug:\n");
    string_iconv_fprintf (stderr, "***   1. If you have a core file, please run:  gdb weechat-curses core\n");
    string_iconv_fprintf (stderr, "***      then issue \"bt\" command and send result to developers\n");
    string_iconv_fprintf (stderr, "***      To enable core files with bash shell: ulimit -c 10000\n");
    string_iconv_fprintf (stderr, "***   2. Otherwise send backtrace (below) and weechat.log\n");
    string_iconv_fprintf (stderr, "***      (be careful, private info may be in this file since\n");
    string_iconv_fprintf (stderr, "***      part of chats are displayed, so remove lines if needed)\n\n");

    weechat_backtrace ();

    /* shutdown with error code */
    weechat_shutdown (EXIT_FAILURE, 1);
}

void debug_input(void)
{
		// screenshot always works
		
	if (input_action_get_state_single(nc_debug_screenshot)) {
		debug_screenshot();
		return;
	}
	
		// others require debug mode to be on
		
	if (!hud.debug) return;
	
	if (input_action_get_state_single(nc_debug_status)) {
		debug_dump();
		return;
	}
	
	if (input_action_get_state_single(nc_debug_game)) {
		debug_game();
		return;
	}
	
	if (input_action_get_state_single(nc_debug_map)) {
		map_pick_trigger_set();
		return;
	}
}

int dibusb_readwrite_usb(struct usb_dibusb *dib, u8 *wbuf, u16 wlen, u8 *rbuf,
                         u16 rlen)
{
    int actlen,ret = -ENOMEM;

    if (wbuf == NULL || wlen == 0)
        return -EINVAL;

    if ((ret = down_interruptible(&dib->usb_sem)))
        return ret;

    debug_dump(wbuf,wlen);

    ret = usb_bulk_msg(
              dib->udev,
              usb_sndbulkpipe(dib->udev,dib->dibdev->dev_cl->pipe_cmd),
              wbuf,
              wlen,
              &actlen,
              DIBUSB_I2C_TIMEOUT);

    if (ret)
        err("bulk message failed: %d (%d/%d)",ret,wlen,actlen);
    else
        ret = (actlen != wlen) ? -1 : 0;

    /* an answer is expected, and no error before */
    if (!ret && rbuf && rlen) {
        ret = usb_bulk_msg(dib->udev,usb_rcvbulkpipe(dib->udev,
                           dib->dibdev->dev_cl->pipe_cmd),rbuf,rlen,&actlen,
                           DIBUSB_I2C_TIMEOUT);

        if (ret)
            err("recv bulk message failed: %d",ret);
        else {
            deb_alot("rlen: %d\n",rlen);
            debug_dump(rbuf,actlen);
        }
    }

    up(&dib->usb_sem);
    return ret;
}

/* URB stuff for streaming */
static void dvb_usb_urb_complete(struct urb *urb, struct pt_regs *ptregs)
{
	struct dvb_usb_device *d = urb->context;
	int ptype = usb_pipetype(urb->pipe);
	int i;
	u8 *b;

	deb_ts("'%s' urb completed. feedcount: %d, status: %d, length: %d/%d, pack_num: %d, errors: %d\n",
			ptype == PIPE_ISOCHRONOUS ? "isoc" : "bulk", d->feedcount,
			urb->status,urb->actual_length,urb->transfer_buffer_length,
			urb->number_of_packets,urb->error_count);

	switch (urb->status) {
		case 0:         /* success */
		case -ETIMEDOUT:    /* NAK */
			break;
		case -ECONNRESET:   /* kill */
		case -ENOENT:
		case -ESHUTDOWN:
			return;
		default:        /* error */
			deb_ts("urb completition error %d.", urb->status);
			break;
	}

	if (d->feedcount > 0) {
		if (d->state & DVB_USB_STATE_DVB) {
			switch (ptype) {
				case PIPE_ISOCHRONOUS:
					b = (u8 *) urb->transfer_buffer;
					for (i = 0; i < urb->number_of_packets; i++) {
						if (urb->iso_frame_desc[i].status != 0)
							deb_ts("iso frame descriptor has an error: %d\n",urb->iso_frame_desc[i].status);
						else if (urb->iso_frame_desc[i].actual_length > 0) {
								dvb_dmx_swfilter(&d->demux,b + urb->iso_frame_desc[i].offset,
										urb->iso_frame_desc[i].actual_length);
							}
						urb->iso_frame_desc[i].status = 0;
						urb->iso_frame_desc[i].actual_length = 0;
					}
					debug_dump(b,20,deb_ts);
					break;
				case PIPE_BULK:
					if (urb->actual_length > 0)
						dvb_dmx_swfilter(&d->demux, (u8 *) urb->transfer_buffer,urb->actual_length);
					break;
				default:
					err("unkown endpoint type in completition handler.");
					return;
			}
		}
	}

	usb_submit_urb(urb,GFP_ATOMIC);
}

static void
acpi_init_global (void)
{
	u64 rsdp;
	struct rsdp *p;
	struct facp *q;
	struct acpi_ent_dmar *r;
	struct domain *create_dom() ;

	rsdp_found = false;
	pm1a_cnt_found = false;

	rsdp = find_rsdp ();
	if (rsdp == FIND_RSDP_NOT_FOUND) {
		printf ("ACPI RSDP not found.\n");
		return;
	}
	p = acpi_mapmem (rsdp, sizeof *p);
	memcpy (&rsdp_copy, p, sizeof *p);
	rsdp_found = true;

	r=find_entry(DMAR_SIGNATURE);
	if (!r) {
		printf ("ACPI DMAR not found.\n");
		iommu_detected=0;
	} else {
		int i ;
		printf ("ACPI DMAR found.\n");
		iommu_detected=1;
		
		parse_dmar_bios_report(r) ;
		num_dom=0 ;
		for (i=0 ; i<MAX_IO_DOM ; i++)
			dom_io[i]=create_dom(i) ;
	}

	q = find_facp ();
	if (!q) {
		printf ("ACPI FACP not found.\n");
		return;
	}
#ifdef ACPI_DSDT
	acpi_dsdt_parse (q->dsdt);
#endif
	get_pm1a_cnt_ioaddr (q);
	get_facs_addr (q);
	if (0)
		debug_dump (q, q->header.length);
	if (0)
		printf ("PM1a control port is 0x%X\n", pm1a_cnt_ioaddr);
	pm1a_cnt_found = true;
	clear_mcfg ();
}

static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
{
	int i = 0;
	u8 v,br[2];
	for (i=0; i < len; i++) {
		v = offset + i;
		vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5);
		buf[i] = br[1];
	}
	deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ",offset, i);
	debug_dump(buf,i,deb_info);
	return 0;
}