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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gas/] [config/] [te-vms.c] - Rev 136
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/* te-vms.c -- Utilities for VMS. Copyright 2009 Free Software Foundation, Inc. Written by Douglas B Rupp <rupp@gnat.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ #include "as.h" #include "te-vms.h" /* The purspose of the two alternate versions below is to have one that works for native VMS and one that works on an NFS mounted filesystem (Unix Server/VMS client). The main issue being to generate the special VMS file timestamps for the debug info. */ #ifdef VMS #define __NEW_STARLET 1 #include <vms/starlet.h> #include <vms/rms.h> #include <vms/atrdef.h> #include <vms/fibdef.h> #include <vms/stsdef.h> #include <vms/iodef.h> #include <vms/fatdef.h> #include <errno.h> #include <vms/descrip.h> #include <string.h> #include <unixlib.h> #define MAXPATH 256 /* Descrip.h doesn't have everything... */ typedef struct fibdef * __fibdef_ptr32 __attribute__ (( mode (SI) )); struct dsc$descriptor_fib { unsigned int fib$l_len; __fibdef_ptr32 fib$l_addr; }; /* I/O Status Block. */ struct IOSB { unsigned short status, count; unsigned int devdep; }; static char *tryfile; /* Variable length string. */ struct vstring { short length; char string[NAM$C_MAXRSS+1]; }; static char filename_buff [MAXPATH]; static char vms_filespec [MAXPATH]; /* Callback function for filespec style conversion. */ static int translate_unix (char *name, int type ATTRIBUTE_UNUSED) { strncpy (filename_buff, name, MAXPATH); filename_buff [MAXPATH - 1] = (char) 0; return 0; } /* Wrapper for DECC function that converts a Unix filespec to VMS style filespec. */ static char * to_vms_file_spec (char *filespec) { strncpy (vms_filespec, "", MAXPATH); decc$to_vms (filespec, translate_unix, 1, 1); strncpy (vms_filespec, filename_buff, MAXPATH); vms_filespec [MAXPATH - 1] = (char) 0; return vms_filespec; } #else /* not VMS */ #define _BSD_SOURCE 1 #include <sys/stat.h> #include <time.h> #define VMS_EPOCH_OFFSET 35067168000000000LL #define VMS_GRANULARITY_FACTOR 10000000 #endif /* VMS */ /* Return VMS file date, size, format, version given a name. */ static int vms_file_stats_name (const char *dirname, const char *filename, long long *cdt, long *siz, char *rfo, int *ver) { char fullname[strlen (dirname) + strlen (filename) + 1]; #ifdef VMS struct FAB fab; struct NAM nam; unsigned long long create; FAT recattr; char ascnamebuff [256]; ATRDEF atrlst[] = { { ATR$S_CREDATE, ATR$C_CREDATE, &create }, { ATR$S_RECATTR, ATR$C_RECATTR, &recattr }, { ATR$S_ASCNAME, ATR$C_ASCNAME, &ascnamebuff }, { 0, 0, 0} }; FIBDEF fib; struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; struct IOSB iosb; long status; unsigned short chan; struct vstring file; struct dsc$descriptor_s filedsc = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; struct vstring device; struct dsc$descriptor_s devicedsc = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; struct vstring result; struct dsc$descriptor_s resultdsc = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; if (strcmp (filename, "<internal>") == 0 || strcmp (filename, "<built-in>") == 0) { if (cdt) *cdt = 0; if (siz) *siz = 0; if (rfo) *rfo = 0; if (ver) *ver = 0; return 0; } strcpy (fullname, dirname); strcat (fullname, filename); tryfile = to_vms_file_spec (fullname); /* Allocate and initialize a FAB and NAM structures. */ fab = cc$rms_fab; nam = cc$rms_nam; nam.nam$l_esa = file.string; nam.nam$b_ess = NAM$C_MAXRSS; nam.nam$l_rsa = result.string; nam.nam$b_rss = NAM$C_MAXRSS; fab.fab$l_fna = tryfile; fab.fab$b_fns = strlen (tryfile); fab.fab$l_nam = &nam; /* Validate filespec syntax and device existence. */ status = SYS$PARSE (&fab, 0, 0); if ((status & 1) != 1) return 1; file.string[nam.nam$b_esl] = 0; /* Find matching filespec. */ status = SYS$SEARCH (&fab, 0, 0); if ((status & 1) != 1) return 1; file.string[nam.nam$b_esl] = 0; result.string[result.length=nam.nam$b_rsl] = 0; /* Get the device name and assign an IO channel. */ strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); devicedsc.dsc$w_length = nam.nam$b_dev; chan = 0; status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); if ((status & 1) != 1) return 1; /* Initialize the FIB and fill in the directory id field. */ memset (&fib, 0, sizeof (fib)); fib.fib$w_did[0] = nam.nam$w_did[0]; fib.fib$w_did[1] = nam.nam$w_did[1]; fib.fib$w_did[2] = nam.nam$w_did[2]; fib.fib$l_acctl = 0; fib.fib$l_wcc = 0; strcpy (file.string, (strrchr (result.string, ']') + 1)); filedsc.dsc$w_length = strlen (file.string); result.string[result.length = 0] = 0; /* Open and close the file to fill in the attributes. */ status = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); if ((status & 1) != 1) return 1; if ((iosb.status & 1) != 1) return 1; result.string[result.length] = 0; status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, &atrlst, 0); if ((status & 1) != 1) return 1; if ((iosb.status & 1) != 1) return 1; /* Deassign the channel and exit. */ status = SYS$DASSGN (chan); if ((status & 1) != 1) return 1; if (cdt) *cdt = create; if (siz) *siz = (512 * 65536 * recattr.fat$w_efblkh) + (512 * (recattr.fat$w_efblkl - 1)) + recattr.fat$w_ffbyte; if (rfo) *rfo = recattr.fat$v_rtype; if (ver) *ver = strtol (strrchr (ascnamebuff, ';') + 1, 0, 10); #else /* not VMS */ struct stat buff; struct tm *ts; long long gmtoff, secs, nsecs; strcpy (fullname, dirname); strcat (fullname, filename); if ((stat (fullname, &buff)) != 0) return 1; if (cdt) { ts = localtime (& buff.st_mtime); #ifdef HAVE_TM_GMTOFF gmtoff = ts->tm_gmtoff; #else { extern long timezone; if (ts->tm_isdst == 1) gmtoff = - (timezone - 3600); else gmtoff = - timezone; } #endif #ifdef HAVE_ST_MTIM_TV_SEC secs = buff.st_mtim.tv_sec; #else secs = buff.st_mtime; #endif #ifdef HAVE_ST_MTIM_TV_NSEC nsecs = buff.st_mtim.tv_nsec; #else nsecs = 0; #endif /* VMS timestamps are stored in local time to 100 nsec accuracy, but by experiment I found timestamps truncated to (at least) microseconds on an NFS mounted filesystem, hence the adjustment below. DBR. */ *cdt = ((secs + gmtoff) * VMS_GRANULARITY_FACTOR) + (nsecs / 1000 * 10) + VMS_EPOCH_OFFSET; } if (siz) *siz = buff.st_size; if (rfo) *rfo = 2; /* Stream LF format. */ /* Returning a file version of 0 is never correct for debug info, version 1 will be correct if file editing is done only on the Unix side. If editing is done on the VMS side, then its TBD. */ if (ver) *ver = 1; #endif /* VMS */ return 0; } bfd_uint64_t vms_dwarf2_file_time_name (const char *filename, const char *dirname) { long long cdt; if (vms_file_stats_name (dirname, filename, &cdt, 0, 0, 0) == 0) return cdt; else return 0; } long vms_dwarf2_file_size_name (const char *filename, const char *dirname) { long siz; if (vms_file_stats_name (dirname, filename, 0, &siz, 0, 0) == 0) return siz; else return 0; } /* VMS debugger needs the filename with version appended. */ /* Longest filename on VMS is 255 characters. Largest version is 32768. */ char * vms_dwarf2_file_name (const char *filename, const char *dirname) { int ver; static char buff [255 + 7]; vms_file_stats_name (dirname, filename, 0, 0, 0, &ver); snprintf (buff, 255 + 7, "%s;%d", filename, ver); return buff; }
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