diff options
Diffstat (limited to 'binutils-2.24/bfd/vms-misc.c')
| -rw-r--r-- | binutils-2.24/bfd/vms-misc.c | 671 |
1 files changed, 0 insertions, 671 deletions
diff --git a/binutils-2.24/bfd/vms-misc.c b/binutils-2.24/bfd/vms-misc.c deleted file mode 100644 index 2ea2267d..00000000 --- a/binutils-2.24/bfd/vms-misc.c +++ /dev/null @@ -1,671 +0,0 @@ -/* vms-misc.c -- BFD back-end for VMS/VAX (openVMS/VAX) and - EVAX (openVMS/Alpha) files. - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, - 2007, 2008, 2009, 2010 Free Software Foundation, Inc. - - Miscellaneous functions. - - Written by Klaus K"ampf (kkaempf@rmi.de) - - 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. */ - -#if __STDC__ -#include <stdarg.h> -#endif - -#include "sysdep.h" -#include "bfd.h" -#include "bfdlink.h" -#include "libbfd.h" -#include "safe-ctype.h" - -#ifdef VMS -#define __NEW_STARLET -#include <rms.h> -#include <unixlib.h> -#include <gen64def.h> -#include <starlet.h> -#define RME$C_SETRFM 0x00000001 -#include <unistd.h> -#endif -#include <time.h> - -#include "vms.h" -#include "vms/emh.h" - -#if VMS_DEBUG -/* Debug functions. */ - -/* Debug function for all vms extensions evaluates environment - variable VMS_DEBUG for a numerical value on the first call all - error levels below this value are printed: - - Levels: - 1 toplevel bfd calls (functions from the bfd vector) - 2 functions called by bfd calls - ... - 9 almost everything - - Level is also indentation level. Indentation is performed - if level > 0. */ - -void -_bfd_vms_debug (int level, char *format, ...) -{ - static int min_level = -1; - static FILE *output = NULL; - char *eptr; - va_list args; - int abslvl = (level > 0) ? level : - level; - - if (min_level == -1) - { - if ((eptr = getenv ("VMS_DEBUG")) != NULL) - { - min_level = atoi (eptr); - output = stderr; - } - else - min_level = 0; - } - if (output == NULL) - return; - if (abslvl > min_level) - return; - - while (--level > 0) - fprintf (output, " "); - va_start (args, format); - vfprintf (output, format, args); - fflush (output); - va_end (args); -} - -/* A debug function - hex dump 'size' bytes starting at 'ptr'. */ - -void -_bfd_hexdump (int level, unsigned char *ptr, int size, int offset) -{ - unsigned char *lptr = ptr; - int count = 0; - long start = offset; - - while (size-- > 0) - { - if ((count % 16) == 0) - vms_debug (level, "%08lx:", start); - vms_debug (-level, " %02x", *ptr++); - count++; - start++; - if (size == 0) - { - while ((count % 16) != 0) - { - vms_debug (-level, " "); - count++; - } - } - if ((count % 16) == 0) - { - vms_debug (-level, " "); - while (lptr < ptr) - { - vms_debug (-level, "%c", (*lptr < 32) ? '.' : *lptr); - lptr++; - } - vms_debug (-level, "\n"); - } - } - if ((count % 16) != 0) - vms_debug (-level, "\n"); -} -#endif - - -/* Copy sized string (string with fixed size) to new allocated area - size is string size (size of record) */ - -char * -_bfd_vms_save_sized_string (unsigned char *str, int size) -{ - char *newstr = bfd_malloc ((bfd_size_type) size + 1); - - if (newstr == NULL) - return NULL; - memcpy (newstr, (char *) str, (size_t) size); - newstr[size] = 0; - - return newstr; -} - -/* Copy counted string (string with size at first byte) to new allocated area - ptr points to size byte on entry */ - -char * -_bfd_vms_save_counted_string (unsigned char *ptr) -{ - int len = *ptr++; - - return _bfd_vms_save_sized_string (ptr, len); -} - -/* Object output routines. */ - -/* Begin new record. - Write 2 bytes rectype and 2 bytes record length. */ - -void -_bfd_vms_output_begin (struct vms_rec_wr *recwr, int rectype) -{ - vms_debug2 ((6, "_bfd_vms_output_begin (type %d)\n", rectype)); - - /* Record must have been closed. */ - BFD_ASSERT (recwr->size == 0); - - _bfd_vms_output_short (recwr, (unsigned int) rectype); - - /* Placeholder for length. */ - _bfd_vms_output_short (recwr, 0); -} - -/* Begin new sub-record. - Write 2 bytes rectype, and 2 bytes record length. */ - -void -_bfd_vms_output_begin_subrec (struct vms_rec_wr *recwr, int rectype) -{ - vms_debug2 ((6, "_bfd_vms_output_begin_subrec (type %d)\n", rectype)); - - /* Subrecord must have been closed. */ - BFD_ASSERT (recwr->subrec_offset == 0); - - /* Save start of subrecord offset. */ - recwr->subrec_offset = recwr->size; - - /* Subrecord type. */ - _bfd_vms_output_short (recwr, (unsigned int) rectype); - - /* Placeholder for length. */ - _bfd_vms_output_short (recwr, 0); -} - -/* Set record/subrecord alignment. */ - -void -_bfd_vms_output_alignment (struct vms_rec_wr *recwr, int alignto) -{ - vms_debug2 ((6, "_bfd_vms_output_alignment (%d)\n", alignto)); - recwr->align = alignto; -} - -/* Align the size of the current record (whose length is LENGTH). - Warning: this obviously changes the record (and the possible subrecord) - length. */ - -static void -_bfd_vms_output_align (struct vms_rec_wr *recwr, unsigned int length) -{ - unsigned int real_size = recwr->size; - unsigned int aligncount; - - /* Pad with 0 if alignment is required. */ - aligncount = (recwr->align - (length % recwr->align)) % recwr->align; - vms_debug2 ((6, "align: adding %d bytes\n", aligncount)); - while (aligncount-- > 0) - recwr->buf[real_size++] = 0; - - recwr->size = real_size; -} - -/* Ends current sub-record. Set length field. */ - -void -_bfd_vms_output_end_subrec (struct vms_rec_wr *recwr) -{ - int real_size = recwr->size; - int length; - - /* Subrecord must be open. */ - BFD_ASSERT (recwr->subrec_offset != 0); - - length = real_size - recwr->subrec_offset; - - if (length == 0) - return; - - _bfd_vms_output_align (recwr, length); - - /* Put length to buffer. */ - bfd_putl16 ((bfd_vma) (recwr->size - recwr->subrec_offset), - recwr->buf + recwr->subrec_offset + 2); - - /* Close the subrecord. */ - recwr->subrec_offset = 0; -} - -/* Ends current record (and write it). */ - -void -_bfd_vms_output_end (bfd *abfd, struct vms_rec_wr *recwr) -{ - vms_debug2 ((6, "_bfd_vms_output_end (size %u)\n", recwr->size)); - - /* Subrecord must have been closed. */ - BFD_ASSERT (recwr->subrec_offset == 0); - - if (recwr->size == 0) - return; - - _bfd_vms_output_align (recwr, recwr->size); - - /* Write the length word. */ - bfd_putl16 ((bfd_vma) recwr->size, recwr->buf + 2); - - /* File is open in undefined (UDF) format on VMS, but ultimately will be - converted to variable length (VAR) format. VAR format has a length - word first which must be explicitly output in UDF format. */ - /* So, first the length word. */ - bfd_bwrite (recwr->buf + 2, 2, abfd); - - /* Align. */ - if (recwr->size & 1) - recwr->buf[recwr->size++] = 0; - - /* Then the record. */ - bfd_bwrite (recwr->buf, (size_t) recwr->size, abfd); - - recwr->size = 0; -} - -/* Check remaining buffer size. Return what's left. */ - -int -_bfd_vms_output_check (struct vms_rec_wr *recwr, int size) -{ - vms_debug2 ((6, "_bfd_vms_output_check (%d)\n", size)); - - return (MAX_OUTREC_SIZE - (recwr->size + size + MIN_OUTREC_LUFT)); -} - -/* Output byte (8 bit) value. */ - -void -_bfd_vms_output_byte (struct vms_rec_wr *recwr, unsigned int value) -{ - vms_debug2 ((6, "_bfd_vms_output_byte (%02x)\n", value)); - - *(recwr->buf + recwr->size) = value; - recwr->size += 1; -} - -/* Output short (16 bit) value. */ - -void -_bfd_vms_output_short (struct vms_rec_wr *recwr, unsigned int value) -{ - vms_debug2 ((6, "_bfd_vms_output_short (%04x)\n", value)); - - bfd_putl16 ((bfd_vma) value & 0xffff, recwr->buf + recwr->size); - recwr->size += 2; -} - -/* Output long (32 bit) value. */ - -void -_bfd_vms_output_long (struct vms_rec_wr *recwr, unsigned long value) -{ - vms_debug2 ((6, "_bfd_vms_output_long (%08lx)\n", value)); - - bfd_putl32 ((bfd_vma) value, recwr->buf + recwr->size); - recwr->size += 4; -} - -/* Output quad (64 bit) value. */ - -void -_bfd_vms_output_quad (struct vms_rec_wr *recwr, bfd_vma value) -{ - vms_debug2 ((6, "_bfd_vms_output_quad (%08lx)\n", (unsigned long)value)); - - bfd_putl64 (value, recwr->buf + recwr->size); - recwr->size += 8; -} - -/* Output c-string as counted string. */ - -void -_bfd_vms_output_counted (struct vms_rec_wr *recwr, const char *value) -{ - int len; - - vms_debug2 ((6, "_bfd_vms_output_counted (%s)\n", value)); - - len = strlen (value); - if (len == 0) - { - (*_bfd_error_handler) (_("_bfd_vms_output_counted called with zero bytes")); - return; - } - if (len > 255) - { - (*_bfd_error_handler) (_("_bfd_vms_output_counted called with too many bytes")); - return; - } - _bfd_vms_output_byte (recwr, (unsigned int) len & 0xff); - _bfd_vms_output_dump (recwr, (const unsigned char *)value, len); -} - -/* Output character area. */ - -void -_bfd_vms_output_dump (struct vms_rec_wr *recwr, const unsigned char *data, int len) -{ - vms_debug2 ((6, "_bfd_vms_output_dump (%d)\n", len)); - - if (len == 0) - return; - - memcpy (recwr->buf + recwr->size, data, (size_t) len); - recwr->size += len; -} - -/* Output count bytes of value. */ - -void -_bfd_vms_output_fill (struct vms_rec_wr *recwr, int value, int count) -{ - vms_debug2 ((6, "_bfd_vms_output_fill (val %02x times %d)\n", value, count)); - - if (count == 0) - return; - memset (recwr->buf + recwr->size, value, (size_t) count); - recwr->size += count; -} - -#ifdef VMS -/* Convert the file to variable record length format. This is done - using undocumented system call sys$modify(). - Pure VMS version. */ - -static void -vms_convert_to_var (char * vms_filename) -{ - struct FAB fab = cc$rms_fab; - - fab.fab$l_fna = vms_filename; - fab.fab$b_fns = strlen (vms_filename); - fab.fab$b_fac = FAB$M_PUT; - fab.fab$l_fop = FAB$M_ESC; - fab.fab$l_ctx = RME$C_SETRFM; - - sys$open (&fab); - - fab.fab$b_rfm = FAB$C_VAR; - - sys$modify (&fab); - sys$close (&fab); -} - -static int -vms_convert_to_var_1 (char *filename, int type) -{ - if (type != DECC$K_FILE) - return FALSE; - vms_convert_to_var (filename); - return TRUE; -} - -/* Convert the file to variable record length format. This is done - using undocumented system call sys$modify(). - Unix filename version. */ - -int -_bfd_vms_convert_to_var_unix_filename (const char *unix_filename) -{ - if (decc$to_vms (unix_filename, &vms_convert_to_var_1, 0, 1) != 1) - return FALSE; - return TRUE; -} -#endif /* VMS */ - -/* Manufacture a VMS like time on a unix based system. - stolen from obj-vms.c. */ - -unsigned char * -get_vms_time_string (void) -{ - static unsigned char tbuf[18]; -#ifndef VMS - char *pnt; - time_t timeb; - - time (& timeb); - pnt = ctime (&timeb); - pnt[3] = 0; - pnt[7] = 0; - pnt[10] = 0; - pnt[16] = 0; - pnt[24] = 0; - sprintf ((char *) tbuf, "%2s-%3s-%s %s", - pnt + 8, pnt + 4, pnt + 20, pnt + 11); -#else - struct - { - int Size; - unsigned char *Ptr; - } Descriptor; - Descriptor.Size = 17; - Descriptor.Ptr = tbuf; - SYS$ASCTIM (0, &Descriptor, 0, 0); -#endif /* not VMS */ - - vms_debug2 ((6, "vmstimestring:'%s'\n", tbuf)); - - return tbuf; -} - -/* Create module name from filename (ie, extract the basename and convert it - in upper cases). Works on both VMS and UNIX pathes. - The result has to be free(). */ - -char * -vms_get_module_name (const char *filename, bfd_boolean upcase) -{ - char *fname, *fptr; - const char *fout; - - /* Strip VMS path. */ - fout = strrchr (filename, ']'); - if (fout == NULL) - fout = strchr (filename, ':'); - if (fout != NULL) - fout++; - else - fout = filename; - - /* Strip UNIX path. */ - fptr = strrchr (fout, '/'); - if (fptr != NULL) - fout = fptr + 1; - - fname = strdup (fout); - - /* Strip suffix. */ - fptr = strrchr (fname, '.'); - if (fptr != 0) - *fptr = 0; - - /* Convert to upper case and truncate at 31 characters. - (VMS object file format restricts module name length to 31). */ - fptr = fname; - for (fptr = fname; *fptr != 0; fptr++) - { - if (*fptr == ';' || (fptr - fname) >= 31) - { - *fptr = 0; - break; - } - if (upcase) - *fptr = TOUPPER (*fptr); - } - return fname; -} - -/* Compared to usual UNIX time_t, VMS time has less limits: - - 64 bit (63 bits in fact as the MSB must be 0) - - 100ns granularity - - epoch is Nov 17, 1858. - Here has the constants and the routines used to convert VMS from/to UNIX time. - The conversion routines don't assume 64 bits arithmetic. - - Here we assume that the definition of time_t is the UNIX one, ie integer - type, expressing seconds since the epoch. */ - -/* UNIX time granularity for VMS, ie 1s / 100ns. */ -#define VMS_TIME_FACTOR 10000000 - -/* Number of seconds since VMS epoch of the UNIX epoch. */ -#define VMS_TIME_OFFSET 3506716800U - -/* Convert a VMS time to a unix time. */ - -time_t -vms_time_to_time_t (unsigned int hi, unsigned int lo) -{ - unsigned int tmp; - unsigned int rlo; - int i; - time_t res; - - /* First convert to seconds. */ - tmp = hi % VMS_TIME_FACTOR; - hi = hi / VMS_TIME_FACTOR; - rlo = 0; - for (i = 0; i < 4; i++) - { - tmp = (tmp << 8) | (lo >> 24); - lo <<= 8; - - rlo = (rlo << 8) | (tmp / VMS_TIME_FACTOR); - tmp %= VMS_TIME_FACTOR; - } - lo = rlo; - - /* Return 0 in case of overflow. */ - if (hi > 1 - || (hi == 1 && lo >= VMS_TIME_OFFSET)) - return 0; - - /* Return 0 in case of underflow. */ - if (hi == 0 && lo < VMS_TIME_OFFSET) - return 0; - - res = lo - VMS_TIME_OFFSET; - if (res <= 0) - return 0; - return res; -} - -/* Convert a time_t to a VMS time. */ - -void -vms_time_t_to_vms_time (time_t ut, unsigned int *hi, unsigned int *lo) -{ - unsigned short val[4]; - unsigned short tmp[4]; - unsigned int carry; - int i; - - /* Put into val. */ - val[0] = ut & 0xffff; - val[1] = (ut >> 16) & 0xffff; - val[2] = sizeof (ut) > 4 ? (ut >> 32) & 0xffff : 0; - val[3] = sizeof (ut) > 4 ? (ut >> 48) & 0xffff : 0; - - /* Add offset. */ - tmp[0] = VMS_TIME_OFFSET & 0xffff; - tmp[1] = VMS_TIME_OFFSET >> 16; - tmp[2] = 0; - tmp[3] = 0; - carry = 0; - for (i = 0; i < 4; i++) - { - carry += tmp[i] + val[i]; - val[i] = carry & 0xffff; - carry = carry >> 16; - } - - /* Multiply by factor, well first by 10000 and then by 1000. */ - carry = 0; - for (i = 0; i < 4; i++) - { - carry += val[i] * 10000; - val[i] = carry & 0xffff; - carry = carry >> 16; - } - carry = 0; - for (i = 0; i < 4; i++) - { - carry += val[i] * 1000; - val[i] = carry & 0xffff; - carry = carry >> 16; - } - - /* Write the result. */ - *lo = val[0] | (val[1] << 16); - *hi = val[2] | (val[3] << 16); -} - -/* Convert a raw (stored in a buffer) VMS time to a unix time. */ - -time_t -vms_rawtime_to_time_t (unsigned char *buf) -{ - unsigned int hi = bfd_getl32 (buf + 4); - unsigned int lo = bfd_getl32 (buf + 0); - - return vms_time_to_time_t (hi, lo); -} - -void -vms_get_time (unsigned int *hi, unsigned int *lo) -{ -#ifdef VMS - struct _generic_64 t; - - sys$gettim (&t); - *lo = t.gen64$q_quadword; - *hi = t.gen64$q_quadword >> 32; -#else - time_t t; - - time (&t); - vms_time_t_to_vms_time (t, hi, lo); -#endif -} - -/* Get the current time into a raw buffer BUF. */ - -void -vms_raw_get_time (unsigned char *buf) -{ - unsigned int hi, lo; - - vms_get_time (&hi, &lo); - bfd_putl32 (lo, buf + 0); - bfd_putl32 (hi, buf + 4); -} |