diff options
Diffstat (limited to 'arch/sparc64')
| -rw-r--r-- | arch/sparc64/config.in | 251 | ||||
| -rw-r--r-- | arch/sparc64/defconfig | 2 | ||||
| -rw-r--r-- | arch/sparc64/kernel/process.c | 32 | ||||
| -rw-r--r-- | arch/sparc64/kernel/signal.c | 2 | ||||
| -rw-r--r-- | arch/sparc64/kernel/signal32.c | 2 | ||||
| -rw-r--r-- | arch/sparc64/kernel/sparc64_ksyms.c | 2 |
6 files changed, 167 insertions, 124 deletions
diff --git a/arch/sparc64/config.in b/arch/sparc64/config.in index ee4d1bb99..86e942597 100644 --- a/arch/sparc64/config.in +++ b/arch/sparc64/config.in @@ -10,15 +10,6 @@ bool 'Prompt for development and/or incomplete code/drivers' CONFIG_EXPERIMENTAL endmenu mainmenu_option next_comment -comment 'Loadable module support' -bool 'Enable loadable module support' CONFIG_MODULES -if [ "$CONFIG_MODULES" = "y" ]; then - bool 'Set version information on all symbols for modules' CONFIG_MODVERSIONS - bool 'Kernel module loader' CONFIG_KMOD -fi -endmenu - -mainmenu_option next_comment comment 'General setup' define_bool CONFIG_VT y @@ -49,25 +40,41 @@ bool 'PCI support' CONFIG_PCI source drivers/sbus/char/Config.in source drivers/sbus/audio/Config.in -tristate 'Openprom tree appears in /proc/openprom (EXPERIMENTAL)' CONFIG_SUN_OPENPROMFS +if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then + tristate 'Openprom tree appears in /proc/openprom (EXPERIMENTAL)' CONFIG_SUN_OPENPROMFS +fi bool 'Networking support' CONFIG_NET bool 'System V IPC' CONFIG_SYSVIPC bool 'BSD Process Accounting' CONFIG_BSD_PROCESS_ACCT bool 'Sysctl support' CONFIG_SYSCTL +if [ "$CONFIG_PROC_FS" = "y" ]; then + choice 'Kernel core (/proc/kcore) format' \ + "ELF CONFIG_KCORE_ELF \ + A.OUT CONFIG_KCORE_AOUT" ELF +fi bool 'Kernel support for Linux/Sparc 32bit binary compatibility' CONFIG_SPARC32_COMPAT -tristate 'Kernel support for 64-bit ELF binaries' CONFIG_BINFMT_ELF if [ "$CONFIG_SPARC32_COMPAT" != "n" ]; then - tristate 'Kernel support for 32-bit ELF binaries' CONFIG_BINFMT_ELF32 - bool 'Kernel support for 32-bit (ie. SunOS) a.out binaries' CONFIG_BINFMT_AOUT32 + tristate ' Kernel support for 32-bit ELF binaries' CONFIG_BINFMT_ELF32 + bool ' Kernel support for 32-bit (ie. SunOS) a.out binaries' CONFIG_BINFMT_AOUT32 fi +tristate 'Kernel support for 64-bit ELF binaries' CONFIG_BINFMT_ELF tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then - tristate 'Solaris binary emulation' CONFIG_SOLARIS_EMUL + tristate 'Solaris binary emulation (EXPERIMENTAL)' CONFIG_SOLARIS_EMUL fi source drivers/parport/Config.in dep_tristate ' Parallel printer support' CONFIG_PRINTER $CONFIG_PARPORT if [ "$CONFIG_PCI" = "y" ]; then - tristate 'SUNW,envctrl support' CONFIG_ENVCTRL + tristate 'SUNW, envctrl support' CONFIG_ENVCTRL +fi +endmenu + +mainmenu_option next_comment +comment 'Loadable module support' +bool 'Enable loadable module support' CONFIG_MODULES +if [ "$CONFIG_MODULES" = "y" ]; then + bool ' Set version information on all symbols for modules' CONFIG_MODVERSIONS + bool ' Kernel module loader' CONFIG_KMOD fi endmenu @@ -78,41 +85,41 @@ bool 'Normal floppy disk support' CONFIG_BLK_DEV_FD bool 'Multiple devices driver support' CONFIG_BLK_DEV_MD if [ "$CONFIG_BLK_DEV_MD" = "y" ]; then - tristate ' Linear (append) mode' CONFIG_MD_LINEAR - tristate ' RAID-0 (striping) mode' CONFIG_MD_STRIPED - tristate ' RAID-1 (mirroring) mode' CONFIG_MD_MIRRORING - tristate ' RAID-4/RAID-5 mode' CONFIG_MD_RAID5 + tristate ' Linear (append) mode' CONFIG_MD_LINEAR + tristate ' RAID-0 (striping) mode' CONFIG_MD_STRIPED + tristate ' RAID-1 (mirroring) mode' CONFIG_MD_MIRRORING + tristate ' RAID-4/RAID-5 mode' CONFIG_MD_RAID5 fi tristate 'RAM disk support' CONFIG_BLK_DEV_RAM if [ "$CONFIG_BLK_DEV_RAM" = "y" ]; then - bool ' Initial RAM disk (initrd) support' CONFIG_BLK_DEV_INITRD + bool ' Initial RAM disk (initrd) support' CONFIG_BLK_DEV_INITRD fi tristate 'Loopback device support' CONFIG_BLK_DEV_LOOP tristate 'Network block device support' CONFIG_BLK_DEV_NBD if [ "$CONFIG_PCI" = "y" ]; then - tristate 'Ultra/PCI IDE disk/cdrom/tape/floppy support' CONFIG_BLK_DEV_IDE - if [ "$CONFIG_BLK_DEV_IDE" != "n" ]; then - dep_tristate ' Include IDE/ATA-2 DISK support' CONFIG_BLK_DEV_IDEDISK $CONFIG_BLK_DEV_IDE - dep_tristate ' Include IDE/ATAPI CDROM support' CONFIG_BLK_DEV_IDECD $CONFIG_BLK_DEV_IDE - dep_tristate ' Include IDE/ATAPI TAPE support' CONFIG_BLK_DEV_IDETAPE $CONFIG_BLK_DEV_IDE - dep_tristate ' Include IDE/ATAPI FLOPPY support' CONFIG_BLK_DEV_IDEFLOPPY $CONFIG_BLK_DEV_IDE - dep_tristate ' SCSI emulation support' CONFIG_BLK_DEV_IDESCSI $CONFIG_BLK_DEV_IDE - define_bool CONFIG_BLK_DEV_IDEPCI y - define_bool CONFIG_BLK_DEV_IDEDMA y - define_bool CONFIG_IDEDMA_AUTO y - define_bool IDEDMA_NEW_DRIVE_LISTINGS y - define_bool CONFIG_BLK_DEV_NS87415 y - define_bool CONFIG_BLK_DEV_CMD646 y - fi + tristate 'Ultra/PCI IDE disk/cdrom/tape/floppy support' CONFIG_BLK_DEV_IDE + if [ "$CONFIG_BLK_DEV_IDE" != "n" ]; then + dep_tristate ' Include IDE/ATA-2 DISK support' CONFIG_BLK_DEV_IDEDISK $CONFIG_BLK_DEV_IDE + dep_tristate ' Include IDE/ATAPI CDROM support' CONFIG_BLK_DEV_IDECD $CONFIG_BLK_DEV_IDE + dep_tristate ' Include IDE/ATAPI TAPE support' CONFIG_BLK_DEV_IDETAPE $CONFIG_BLK_DEV_IDE + dep_tristate ' Include IDE/ATAPI FLOPPY support' CONFIG_BLK_DEV_IDEFLOPPY $CONFIG_BLK_DEV_IDE + dep_tristate ' SCSI emulation support' CONFIG_BLK_DEV_IDESCSI $CONFIG_BLK_DEV_IDE + define_bool CONFIG_BLK_DEV_IDEPCI y + define_bool CONFIG_BLK_DEV_IDEDMA y + define_bool CONFIG_IDEDMA_AUTO y + define_bool CONFIG_IDEDMA_NEW_DRIVE_LISTINGS y + define_bool CONFIG_BLK_DEV_NS87415 y + define_bool CONFIG_BLK_DEV_CMD646 y + fi fi endmenu if [ "$CONFIG_NET" = "y" ]; then - source net/Config.in + source net/Config.in fi mainmenu_option next_comment @@ -121,95 +128,95 @@ comment 'SCSI support' tristate 'SCSI support' CONFIG_SCSI if [ "$CONFIG_SCSI" != "n" ]; then - comment 'SCSI support type (disk, tape, CDrom)' - - dep_tristate 'SCSI disk support' CONFIG_BLK_DEV_SD $CONFIG_SCSI - dep_tristate 'SCSI tape support' CONFIG_CHR_DEV_ST $CONFIG_SCSI - dep_tristate 'SCSI CDROM support' CONFIG_BLK_DEV_SR $CONFIG_SCSI - if [ "$CONFIG_BLK_DEV_SR" != "n" ]; then - bool ' Enable vendor-specific extensions (for SCSI CDROM)' CONFIG_BLK_DEV_SR_VENDOR - fi - dep_tristate 'SCSI generic support' CONFIG_CHR_DEV_SG $CONFIG_SCSI - - comment 'Some SCSI devices (e.g. CD jukebox) support multiple LUNs' - - bool 'Probe all LUNs on each SCSI device' CONFIG_SCSI_MULTI_LUN - - bool 'Verbose SCSI error reporting (kernel size +=12K)' CONFIG_SCSI_CONSTANTS - - mainmenu_option next_comment - comment 'SCSI low-level drivers' - - bool 'Sparc ESP Scsi Driver' CONFIG_SCSI_SUNESP $CONFIG_SCSI - tristate 'PTI Qlogic,ISP Driver' CONFIG_SCSI_QLOGICPTI $CONFIG_SCSI - - if [ "$CONFIG_PCI" != "n" ]; then - dep_tristate 'Adaptec AIC7xxx support' CONFIG_SCSI_AIC7XXX $CONFIG_SCSI - if [ "$CONFIG_SCSI_AIC7XXX" != "n" ]; then - bool ' Enable Tagged Command Queueing (TCQ) by default' CONFIG_AIC7XXX_TCQ_ON_BY_DEFAULT - int ' Maximum number of TCQ commands per device' CONFIG_AIC7XXX_CMDS_PER_DEVICE 8 - bool ' Collect statistics to report in /proc' CONFIG_AIC7XXX_PROC_STATS N - int ' Delay in seconds after SCSI bus reset' CONFIG_AIC7XXX_RESET_DELAY 5 - fi - dep_tristate 'NCR53C8XX SCSI support' CONFIG_SCSI_NCR53C8XX $CONFIG_SCSI - if [ "$CONFIG_SCSI_NCR53C8XX" != "n" ]; then - int ' default tagged command queue depth' CONFIG_SCSI_NCR53C8XX_DEFAULT_TAGS 8 - int ' maximum number of queued commands' CONFIG_SCSI_NCR53C8XX_MAX_TAGS 32 - int ' synchronous transfers frequency in MHz' CONFIG_SCSI_NCR53C8XX_SYNC 10 - bool ' enable profiling' CONFIG_SCSI_NCR53C8XX_PROFILE - if [ "$CONFIG_SCSI_NCR53C8XX_DEFAULT_TAGS" = "0" ]; then - bool ' not allow targets to disconnect' CONFIG_SCSI_NCR53C8XX_NO_DISCONNECT - fi - if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then - bool ' assume boards are SYMBIOS compatible' CONFIG_SCSI_NCR53C8XX_SYMBIOS_COMPAT - fi - fi - dep_tristate 'Qlogic ISP SCSI support' CONFIG_SCSI_QLOGIC_ISP $CONFIG_SCSI - fi - - endmenu + comment 'SCSI support type (disk, tape, CDrom)' + + dep_tristate ' SCSI disk support' CONFIG_BLK_DEV_SD $CONFIG_SCSI + dep_tristate ' SCSI tape support' CONFIG_CHR_DEV_ST $CONFIG_SCSI + dep_tristate ' SCSI CDROM support' CONFIG_BLK_DEV_SR $CONFIG_SCSI + if [ "$CONFIG_BLK_DEV_SR" != "n" ]; then + bool ' Enable vendor-specific extensions (for SCSI CDROM)' CONFIG_BLK_DEV_SR_VENDOR + fi + dep_tristate ' SCSI generic support' CONFIG_CHR_DEV_SG $CONFIG_SCSI + + comment 'Some SCSI devices (e.g. CD jukebox) support multiple LUNs' + + bool ' Probe all LUNs on each SCSI device' CONFIG_SCSI_MULTI_LUN + + bool ' Verbose SCSI error reporting (kernel size +=12K)' CONFIG_SCSI_CONSTANTS + + mainmenu_option next_comment + comment 'SCSI low-level drivers' + + bool 'Sparc ESP Scsi Driver' CONFIG_SCSI_SUNESP $CONFIG_SCSI + tristate 'PTI Qlogic, ISP Driver' CONFIG_SCSI_QLOGICPTI $CONFIG_SCSI + + if [ "$CONFIG_PCI" != "n" ]; then + dep_tristate 'Adaptec AIC7xxx support' CONFIG_SCSI_AIC7XXX $CONFIG_SCSI + if [ "$CONFIG_SCSI_AIC7XXX" != "n" ]; then + bool ' Enable tagged command queueing (TCQ) by default' CONFIG_AIC7XXX_TAGGED_QUEUEING Y + int ' Maximum number of TCQ commands per device' CONFIG_AIC7XXX_CMDS_PER_DEVICE 8 + bool ' Collect statistics to report in /proc' CONFIG_AIC7XXX_PROC_STATS N + int ' Delay in seconds after SCSI bus reset' CONFIG_AIC7XXX_RESET_DELAY 5 + fi + dep_tristate 'NCR53C8XX SCSI support' CONFIG_SCSI_NCR53C8XX $CONFIG_SCSI + if [ "$CONFIG_SCSI_NCR53C8XX" != "n" ]; then + int 'default tagged command queue depth' CONFIG_SCSI_NCR53C8XX_DEFAULT_TAGS 8 + int 'maximum number of queued commands' CONFIG_SCSI_NCR53C8XX_MAX_TAGS 32 + int 'synchronous transfers frequency in MHz' CONFIG_SCSI_NCR53C8XX_SYNC 10 + bool ' enable profiling' CONFIG_SCSI_NCR53C8XX_PROFILE + if [ "$CONFIG_SCSI_NCR53C8XX_DEFAULT_TAGS" = "0" ]; then + bool ' not allow targets to disconnect' CONFIG_SCSI_NCR53C8XX_NO_DISCONNECT + fi + if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then + bool ' assume boards are SYMBIOS compatible (EXPERIMENTAL)' CONFIG_SCSI_NCR53C8XX_SYMBIOS_COMPAT + fi + fi + dep_tristate 'Qlogic ISP SCSI support' CONFIG_SCSI_QLOGIC_ISP $CONFIG_SCSI + fi + + endmenu fi endmenu source drivers/fc4/Config.in if [ "$CONFIG_NET" = "y" ]; then - mainmenu_option next_comment - comment 'Network device support' - - bool 'Network device support' CONFIG_NETDEVICES - if [ "$CONFIG_NETDEVICES" = "y" ]; then - tristate 'Dummy net driver support' CONFIG_DUMMY - tristate 'PPP (point-to-point) support' CONFIG_PPP - if [ ! "$CONFIG_PPP" = "n" ]; then - comment 'CCP compressors for PPP are only built as modules.' - fi - tristate 'SLIP (serial line) support' CONFIG_SLIP - if [ "$CONFIG_SLIP" != "n" ]; then - bool ' CSLIP compressed headers' CONFIG_SLIP_COMPRESSED - bool ' Keepalive and linefill' CONFIG_SLIP_SMART - bool ' Six bit SLIP encapsulation' CONFIG_SLIP_MODE_SLIP6 - fi - bool 'Sun LANCE support' CONFIG_SUNLANCE - tristate 'Sun Happy Meal 10/100baseT support' CONFIG_HAPPYMEAL - if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then - tristate 'Sun BigMAC 10/100baseT support' CONFIG_SUNBMAC - fi - tristate 'Sun QuadEthernet support' CONFIG_SUNQE - tristate 'MyriCOM Gigabit Ethernet support' CONFIG_MYRI_SBUS - if [ "$CONFIG_PCI" = "y" ]; then - tristate 'Generic DECchip & DIGITAL EtherWORKS PCI/EISA' CONFIG_DE4X5 - tristate '3c590/3c900 series (592/595/597) "Vortex/Boomerang" support' CONFIG_VORTEX - tristate 'RealTek 8129/8139 (not 8019/8029!) support' CONFIG_RTL8139 - tristate 'PCI NE2000 support' CONFIG_NE2K_PCI - tristate 'EtherExpressPro/100 support' CONFIG_EEXPRESS_PRO100 - tristate 'Adaptec Starfire support' CONFIG_ADAPTEC_STARFIRE - fi -# bool 'FDDI driver support' CONFIG_FDDI -# if [ "$CONFIG_FDDI" = "y" ]; then -# fi - fi - endmenu + mainmenu_option next_comment + comment 'Network device support' + + bool 'Network device support' CONFIG_NETDEVICES + if [ "$CONFIG_NETDEVICES" = "y" ]; then + tristate ' Dummy net driver support' CONFIG_DUMMY + tristate ' PPP (point-to-point) support' CONFIG_PPP + if [ ! "$CONFIG_PPP" = "n" ]; then + comment ' CCP compressors for PPP are only built as modules.' + fi + tristate ' SLIP (serial line) support' CONFIG_SLIP + if [ "$CONFIG_SLIP" != "n" ]; then + bool ' CSLIP compressed headers' CONFIG_SLIP_COMPRESSED + bool ' Keepalive and linefill' CONFIG_SLIP_SMART + bool ' Six bit SLIP encapsulation' CONFIG_SLIP_MODE_SLIP6 + fi + bool ' Sun LANCE support' CONFIG_SUNLANCE + tristate ' Sun Happy Meal 10/100baseT support' CONFIG_HAPPYMEAL + if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then + tristate ' Sun BigMAC 10/100baseT support (EXPERIMENTAL)' CONFIG_SUNBMAC + fi + tristate ' Sun QuadEthernet support' CONFIG_SUNQE + tristate ' MyriCOM Gigabit Ethernet support' CONFIG_MYRI_SBUS + if [ "$CONFIG_PCI" = "y" ]; then + tristate ' Generic DECchip & DIGITAL EtherWORKS PCI/EISA' CONFIG_DE4X5 + tristate ' 3c590/3c900 series (592/595/597) "Vortex/Boomerang" support' CONFIG_VORTEX + tristate ' RealTek 8129/8139 (not 8019/8029!) support' CONFIG_RTL8139 + tristate ' PCI NE2000 support' CONFIG_NE2K_PCI + tristate ' EtherExpressPro/100 support' CONFIG_EEXPRESS_PRO100 + tristate ' Adaptec Starfire support' CONFIG_ADAPTEC_STARFIRE + fi +# bool ' FDDI driver support' CONFIG_FDDI +# if [ "$CONFIG_FDDI" = "y" ]; then +# fi + fi +endmenu fi # This one must be before the filesystem configs. -DaveM @@ -217,7 +224,7 @@ mainmenu_option next_comment comment 'Unix 98 PTY support' bool 'Unix98 PTY support' CONFIG_UNIX98_PTYS if [ "$CONFIG_UNIX98_PTYS" = "y" ]; then - int 'Maximum number of Unix98 PTYs in use (0-2048)' CONFIG_UNIX98_PTY_COUNT 256 + int 'Maximum number of Unix98 PTYs in use (0-2048)' CONFIG_UNIX98_PTY_COUNT 256 fi endmenu @@ -225,9 +232,9 @@ mainmenu_option next_comment comment 'Video For Linux' tristate 'Video For Linux' CONFIG_VIDEO_DEV if [ "$CONFIG_VIDEO_DEV" != "n" ]; then - if [ "$CONFIG_PCI" != "n" ]; then - dep_tristate 'BT848 Video For Linux' CONFIG_VIDEO_BT848 $CONFIG_VIDEO_DEV - fi + if [ "$CONFIG_PCI" != "n" ]; then + dep_tristate ' BT848 Video For Linux' CONFIG_VIDEO_BT848 $CONFIG_VIDEO_DEV + fi fi endmenu diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig index 10d9ccd81..59ab0b543 100644 --- a/arch/sparc64/defconfig +++ b/arch/sparc64/defconfig @@ -88,6 +88,8 @@ CONFIG_NET=y CONFIG_SYSVIPC=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y +CONFIG_KCORE_ELF=y +# CONFIG_KCORE_AOUT is not set CONFIG_SPARC32_COMPAT=y CONFIG_BINFMT_ELF=y CONFIG_BINFMT_ELF32=y diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c index 0e0f540b7..20a5534cb 100644 --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c @@ -802,3 +802,35 @@ out: unlock_kernel(); return error; } + +/* + * These bracket the sleeping functions.. + */ +extern void scheduling_functions_start_here(void); +extern void scheduling_functions_end_here(void); +#define first_sched ((unsigned long) scheduling_functions_start_here) +#define last_sched ((unsigned long) scheduling_functions_end_here) + +unsigned long get_wchan(struct task_struct *p) +{ + unsigned long pc, fp, bias = 0; + unsigned long task_base = (unsigned long) p; + struct reg_window *rw; + int count = 0; + if (!p || p == current || p->state == TASK_RUNNING) + return 0; + bias = STACK_BIAS; + fp = p->thread.ksp + bias; + do { + /* Bogus frame pointer? */ + if (fp < (task_base + sizeof(struct task_struct)) || + fp >= (task_base + (2 * PAGE_SIZE))) + break; + rw = (struct reg_window *) fp; + pc = rw->ins[7]; + if (pc < first_sched || pc >= last_sched) + return pc; + fp = rw->ins[6] + bias; + } while (++count < 16); + return 0; +} diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c index 672e83493..f784e3b9e 100644 --- a/arch/sparc64/kernel/signal.c +++ b/arch/sparc64/kernel/signal.c @@ -618,7 +618,7 @@ static inline void read_maps (void) ino = map->vm_file->f_dentry->d_inode->i_ino; line = d_path(map->vm_file->f_dentry, buffer, PAGE_SIZE); } - printk(MAPS_LINE_FORMAT, map->vm_start, map->vm_end, str, map->vm_offset, + printk(MAPS_LINE_FORMAT, map->vm_start, map->vm_end, str, map->vm_pgoff << PAGE_SHIFT, kdevname(dev), ino); if (map->vm_file != NULL) printk("%s\n", line); diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c index 59388286f..949017da3 100644 --- a/arch/sparc64/kernel/signal32.c +++ b/arch/sparc64/kernel/signal32.c @@ -1226,7 +1226,7 @@ static inline void read_maps (void) ino = map->vm_file->f_dentry->d_inode->i_ino; line = d_path(map->vm_file->f_dentry, buffer, PAGE_SIZE); } - printk(MAPS_LINE_FORMAT, map->vm_start, map->vm_end, str, map->vm_offset, + printk(MAPS_LINE_FORMAT, map->vm_start, map->vm_end, str, map->vm_pgoff << PAGE_SHIFT, kdevname(dev), ino); if (map->vm_file != NULL) printk("%s\n", line); diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c index e57b8d6f7..434f22bf8 100644 --- a/arch/sparc64/kernel/sparc64_ksyms.c +++ b/arch/sparc64/kernel/sparc64_ksyms.c @@ -311,3 +311,5 @@ EXPORT_SYMBOL_NOVERS(memcmp); EXPORT_SYMBOL_NOVERS(memcpy); EXPORT_SYMBOL_NOVERS(memset); EXPORT_SYMBOL_NOVERS(memmove); + +EXPORT_SYMBOL(get_wchan); |