-/* vms-misc.c -- Miscellaneous functions for VAX (openVMS/VAX) and
+/* 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
- Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2007, 2008, 2009 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 2 of the License, or
-(at your option) any later version.
+ 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.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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 "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "vms.h"
-static vms_section *add_new_contents PARAMS ((bfd *, sec_ptr));
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+
static int hash_string PARAMS ((const char *));
static asymbol *new_symbol PARAMS ((bfd *, char *));
+static void maybe_adjust_record_pointer_for_object PARAMS ((bfd *));
+static int vms_get_remaining_object_record PARAMS ((bfd *, int ));
+static int vms_get_remaining_image_record PARAMS ((bfd *, int ));
-/*-----------------------------------------------------------------------------*/
#if VMS_DEBUG
-/* debug functions */
+/* 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
+/* 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:
+ 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
- */
+ Level is also indentation level. Indentation is performed
+ if level > 0. */
-#if __STDC__
void
_bfd_vms_debug (int level, char *format, ...)
{
static FILE *output = NULL;
char *eptr;
va_list args;
- int abslvl = (level > 0)?level:-level;
+ int abslvl = (level > 0) ? level : - level;
if (min_level == -1)
{
- if ((eptr = getenv("VMS_DEBUG")) != NULL)
+ if ((eptr = getenv ("VMS_DEBUG")) != NULL)
{
- min_level = atoi(eptr);
+ min_level = atoi (eptr);
output = stderr;
}
else
while (--level>0)
fprintf (output, " ");
- va_start(args, format);
+ va_start (args, format);
vfprintf (output, format, args);
- fflush(output);
- va_end(args);
-
- return;
+ fflush (output);
+ va_end (args);
}
-#else /* not __STDC__ */
+/* A debug function
+ hex dump 'size' bytes starting at 'ptr'. */
void
-_bfd_vms_debug (level, format, a1, a2, a3, a4, a5, a6)
- int level;
- char *format;
- long a1; long a2; long a3;
- long a4; long a5; long a6;
-{
- static int min_level = -1;
- static FILE *output = NULL;
- char *eptr;
-
- 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 (level > min_level)
- return;
-
- while (--level>0)
- fprintf (output, " ");
- fprintf (output, format, a1, a2, a3, a4, a5, a6);
- fflush(output);
-
- return;
-}
-#endif /* __STDC__ */
-
-/* a debug function
- hex dump 'size' bytes starting at 'ptr' */
-
-void
-_bfd_hexdump (level, ptr, size, offset)
- int level;
- unsigned char *ptr;
- int size;
- int offset;
+_bfd_hexdump (int level,
+ unsigned char *ptr,
+ int size,
+ int offset)
{
unsigned char *lptr = ptr;
int count = 0;
}
if ((count%16) != 0)
vms_debug (-level, "\n");
-
- return;
}
#endif
\f
-/* hash functions
+/* Hash functions
These are needed when reading an object file. */
-/* allocate new vms_hash_entry
- keep the symbol name and a pointer to the bfd symbol in the table */
+/* Allocate new vms_hash_entry
+ keep the symbol name and a pointer to the bfd symbol in the table. */
struct bfd_hash_entry *
-_bfd_vms_hash_newfunc (entry, table, string)
- struct bfd_hash_entry *entry;
- struct bfd_hash_table *table;
- const char *string;
+_bfd_vms_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
{
vms_symbol_entry *ret;
#if VMS_DEBUG
- vms_debug (5, "_bfd_vms_hash_newfunc(%p, %p, %s)\n", entry, table, string);
+ vms_debug (5, "_bfd_vms_hash_newfunc (%p, %p, %s)\n", entry, table, string);
#endif
- if (entry == (struct bfd_hash_entry *)NULL)
+ if (entry == NULL)
{
ret = (vms_symbol_entry *)
bfd_hash_allocate (table, sizeof (vms_symbol_entry));
- if (ret == (vms_symbol_entry *) NULL)
+ if (ret == NULL)
{
bfd_set_error (bfd_error_no_memory);
- return (struct bfd_hash_entry *)NULL;
+ return NULL;
}
entry = (struct bfd_hash_entry *) ret;
}
/* Call the allocation method of the base class. */
-
ret = (vms_symbol_entry *) bfd_hash_newfunc (entry, table, string);
#if VMS_DEBUG
vms_debug (6, "_bfd_vms_hash_newfunc ret %p\n", ret);
#endif
- ret->symbol = (asymbol *)NULL;
+ ret->symbol = NULL;
return (struct bfd_hash_entry *)ret;
}
\f
-/* object file input functions */
+/* Object file input functions. */
-/* Return type and length from record header (buf) on Alpha. */
+/* Return type and size from record header (buf) on Alpha. */
void
-_bfd_vms_get_header_values (abfd, buf, type, length)
- bfd *abfd ATTRIBUTE_UNUSED;
- unsigned char *buf;
- int *type;
- int *length;
+_bfd_vms_get_header_values (bfd * abfd ATTRIBUTE_UNUSED,
+ unsigned char *buf,
+ int *type,
+ int *size)
{
- if (type != 0)
+ if (type)
*type = bfd_getl16 (buf);
- buf += 2;
- if (length != 0)
- *length = bfd_getl16 (buf);
+
+ if (size)
+ *size = bfd_getl16 (buf+2);
#if VMS_DEBUG
- vms_debug (10, "_bfd_vms_get_header_values type %x, length %x\n", (type?*type:0), (length?*length:0));
+ vms_debug (10, "_bfd_vms_get_header_values type %x, size %x\n",
+ type ? *type : 0, size ? *size : 0);
#endif
-
- return;
}
-/* Get next record from object file to vms_buf
- set PRIV(buf_size) and return it
+/* Get next record from object file to vms_buf.
+ Set PRIV(buf_size) and return it
- this is a little tricky since it should be portable.
+ This is a little tricky since it should be portable.
- the openVMS object file has 'variable length' which means that
+ The openVMS object file has 'variable length' which means that
read() returns data in chunks of (hopefully) correct and expected
- size. The linker (and other tools on vms) depend on that. Unix doesn't
- know about 'formatted' files, so reading and writing such an object
- file in a unix environment is not trivial.
+ size. The linker (and other tools on VMS) depend on that. Unix
+ doesn't know about 'formatted' files, so reading and writing such
+ an object file in a Unix environment is not trivial.
- With the tool 'file' (available on all vms ftp sites), one
- can view and change the attributes of a file. Changing from
+ With the tool 'file' (available on all VMS FTP sites), one
+ can view and change the attributes of a file. Changing from
'variable length' to 'fixed length, 512 bytes' reveals the
- record length at the first 2 bytes of every record. The same
- happens during the transfer of object files from vms to unix,
- at least with ucx, dec's implementation of tcp/ip.
+ record size at the first 2 bytes of every record. The same
+ happens during the transfer of object files from VMS to Unix,
+ at least with UCX, the DEC implementation of TCP/IP.
- The vms format repeats the length at bytes 2 & 3 of every record.
+ The VMS format repeats the size at bytes 2 & 3 of every record.
On the first call (file_format == FF_UNKNOWN) we check if
the first and the third byte pair (!) of the record match.
- If they do it's an object file in an unix environment or with
- wrong attributes (FF_FOREIGN), else we should be in a vms
+ If they do it's an object file in an Unix environment or with
+ wrong attributes (FF_FOREIGN), else we should be in a VMS
environment where read() returns the record size (FF_NATIVE).
- reading is always done in 2 steps.
- first just the record header is read and the length extracted
- by get_header_values
- then the read buffer is adjusted and the remaining bytes are
- read in.
+ Reading is always done in 2 steps:
+ 1. first just the record header is read and the size extracted,
+ 2. then the read buffer is adjusted and the remaining bytes are
+ read in.
+
+ All file I/O is done on even file positions. */
- all file i/o is always done on even file positions */
+#define VMS_OBJECT_ADJUSTMENT 2
+
+static void
+maybe_adjust_record_pointer_for_object (bfd *abfd)
+{
+ /* Set the file format once for all on the first invocation. */
+ if (PRIV (file_format) == FF_UNKNOWN)
+ {
+ if (PRIV (vms_rec)[0] == PRIV (vms_rec)[4]
+ && PRIV (vms_rec)[1] == PRIV (vms_rec)[5])
+ PRIV (file_format) = FF_FOREIGN;
+ else
+ PRIV (file_format) = FF_NATIVE;
+ }
+
+ /* The adjustment is needed only in an Unix environment. */
+ if (PRIV (file_format) == FF_FOREIGN)
+ PRIV (vms_rec) += VMS_OBJECT_ADJUSTMENT;
+}
+
+/* Get first record from file and return the file type. */
int
-_bfd_vms_get_record (abfd)
- bfd *abfd;
+_bfd_vms_get_first_record (bfd *abfd)
{
- int test_len, test_start, remaining;
- unsigned char *vms_buf;
+ unsigned int test_len;
#if VMS_DEBUG
- vms_debug (8, "_bfd_vms_get_record\n");
+ vms_debug (8, "_bfd_vms_get_first_record\n");
#endif
- /* minimum is 6 bytes on Alpha
- (2 bytes length, 2 bytes record id, 2 bytes length repeated)
-
- on VAX there's no length information in the record
- so start with OBJ_S_C_MAXRECSIZ */
+ if (PRIV (is_vax))
+ test_len = 0;
+ else
+ /* Minimum is 6 bytes for objects (2 bytes size, 2 bytes record id,
+ 2 bytes size repeated) and 12 bytes for images (4 bytes major id,
+ 4 bytes minor id, 4 bytes length). */
+ test_len = 12;
+ /* Size the main buffer. */
if (PRIV (buf_size) == 0)
{
- bfd_size_type amt;
-
- if (PRIV (is_vax))
- {
- amt = OBJ_S_C_MAXRECSIZ;
- PRIV (file_format) = FF_VAX;
- }
- else
- amt = 6;
+ /* On VAX there's no size information in the record, so
+ start with OBJ_S_C_MAXRECSIZ. */
+ bfd_size_type amt = (test_len ? test_len : OBJ_S_C_MAXRECSIZ);
PRIV (vms_buf) = (unsigned char *) bfd_malloc (amt);
PRIV (buf_size) = amt;
}
- vms_buf = PRIV (vms_buf);
-
- if (vms_buf == 0)
- return -1;
+ /* Initialize the record pointer. */
+ PRIV (vms_rec) = PRIV (vms_buf);
- switch (PRIV (file_format))
+ /* We only support modules on VAX. */
+ if (PRIV (is_vax))
{
- case FF_UNKNOWN:
- case FF_FOREIGN:
- test_len = 6; /* probe 6 bytes */
- test_start = 2; /* where the record starts */
- break;
-
- case FF_NATIVE:
- test_len = 4;
- test_start = 0;
- break;
-
- default:
- case FF_VAX:
- test_len = 0;
- test_start = 0;
- break;
+ if (vms_get_remaining_object_record (abfd, test_len) <= 0)
+ return FT_UNKNOWN;
+
+#if VMS_DEBUG
+ vms_debug (2, "file type is VAX module\n");
+#endif
+
+ return FT_MODULE;
}
- /* skip odd alignment byte */
+ if (bfd_bread (PRIV (vms_buf), test_len, abfd) != test_len)
+ {
+ bfd_set_error (bfd_error_file_truncated);
+ return FT_UNKNOWN;
+ }
- if (bfd_tell (abfd) & 1)
+ /* Is it an image? */
+ if ((bfd_getl32 (PRIV (vms_rec)) == EIHD_S_K_MAJORID)
+ && (bfd_getl32 (PRIV (vms_rec) + 4) == EIHD_S_K_MINORID))
{
- if (bfd_bread (PRIV (vms_buf), (bfd_size_type) 1, abfd) != 1)
- {
- bfd_set_error (bfd_error_file_truncated);
- return 0;
- }
+ if (vms_get_remaining_image_record (abfd, test_len) <= 0)
+ return FT_UNKNOWN;
+
+#if VMS_DEBUG
+ vms_debug (2, "file type is image\n");
+#endif
+
+ return FT_IMAGE;
}
- /* read the record header on Alpha. */
+ /* Assume it's a module and adjust record pointer if necessary. */
+ maybe_adjust_record_pointer_for_object (abfd);
- if ((test_len != 0)
- && (bfd_bread (PRIV (vms_buf), (bfd_size_type) test_len, abfd)
- != (bfd_size_type) test_len))
+ /* But is it really a module? */
+ if (bfd_getl16 (PRIV (vms_rec)) <= EOBJ_S_C_MAXRECTYP
+ && bfd_getl16 (PRIV (vms_rec) + 2) <= EOBJ_S_C_MAXRECSIZ)
{
- bfd_set_error (bfd_error_file_truncated);
- return 0;
+ if (vms_get_remaining_object_record (abfd, test_len) <= 0)
+ return FT_UNKNOWN;
+
+#if VMS_DEBUG
+ vms_debug (2, "file type is module\n");
+#endif
+
+ return FT_MODULE;
}
- /* check file format on first call */
+#if VMS_DEBUG
+ vms_debug (2, "file type is unknown\n");
+#endif
+
+ return FT_UNKNOWN;
+}
- if (PRIV (file_format) == FF_UNKNOWN)
- { /* record length repeats ? */
- if (vms_buf[0] == vms_buf[4]
- && vms_buf[1] == vms_buf[5])
+/* Implement step #1 of the object record reading procedure.
+ Return the record type or -1 on failure. */
+
+int
+_bfd_vms_get_object_record (bfd *abfd)
+{
+ unsigned int test_len;
+ int type;
+
+#if VMS_DEBUG
+ vms_debug (8, "_bfd_vms_get_obj_record\n");
+#endif
+
+ if (PRIV (is_vax))
+ test_len = 0;
+ else
+ {
+ /* See _bfd_vms_get_first_record. */
+ test_len = 6;
+
+ /* Skip odd alignment byte. */
+ if (bfd_tell (abfd) & 1)
{
- PRIV (file_format) = FF_FOREIGN; /* Y: foreign environment */
- test_start = 2;
+ if (bfd_bread (PRIV (vms_buf), 1, abfd) != 1)
+ {
+ bfd_set_error (bfd_error_file_truncated);
+ return -1;
+ }
}
- else
+
+ /* Read the record header */
+ if (bfd_bread (PRIV (vms_buf), test_len, abfd) != test_len)
{
- PRIV (file_format) = FF_NATIVE; /* N: native environment */
- test_start = 0;
+ bfd_set_error (bfd_error_file_truncated);
+ return -1;
}
+
+ /* Reset the record pointer. */
+ PRIV (vms_rec) = PRIV (vms_buf);
+ maybe_adjust_record_pointer_for_object (abfd);
}
+ if (vms_get_remaining_object_record (abfd, test_len) <= 0)
+ return -1;
+
+ if (PRIV (is_vax))
+ type = PRIV (vms_rec) [0];
+ else
+ type = bfd_getl16 (PRIV (vms_rec));
+
+#if VMS_DEBUG
+ vms_debug (8, "_bfd_vms_get_obj_record: rec %p, size %d, type %d\n",
+ PRIV (vms_rec), PRIV (rec_size), type);
+#endif
+
+ return type;
+}
+
+/* Implement step #2 of the object record reading procedure.
+ Return the size of the record or 0 on failure. */
+
+static int
+vms_get_remaining_object_record (bfd *abfd, int read_so_far)
+{
+#if VMS_DEBUG
+ vms_debug (8, "vms_get_remaining_obj_record\n");
+#endif
+
if (PRIV (is_vax))
{
- PRIV (rec_length) = bfd_bread (vms_buf, (bfd_size_type) PRIV (buf_size),
- abfd);
- if (PRIV (rec_length) <= 0)
+ if (read_so_far != 0)
+ abort ();
+
+ PRIV (rec_size) = bfd_bread (PRIV (vms_buf), PRIV (buf_size), abfd);
+
+ if (PRIV (rec_size) <= 0)
{
bfd_set_error (bfd_error_file_truncated);
return 0;
}
- PRIV (vms_rec) = vms_buf;
+
+ /* Reset the record pointer. */
+ PRIV (vms_rec) = PRIV (vms_buf);
}
- else /* Alpha */
+ else
{
- /* extract vms record length */
+ unsigned int to_read;
- _bfd_vms_get_header_values (abfd, vms_buf + test_start, NULL,
- &PRIV (rec_length));
+ /* Extract record size. */
+ PRIV (rec_size) = bfd_getl16 (PRIV (vms_rec) + 2);
- if (PRIV (rec_length) <= 0)
+ if (PRIV (rec_size) <= 0)
{
bfd_set_error (bfd_error_file_truncated);
return 0;
}
- /* that's what the linker manual says */
-
- if (PRIV (rec_length) > EOBJ_S_C_MAXRECSIZ)
+ /* That's what the linker manual says. */
+ if (PRIV (rec_size) > EOBJ_S_C_MAXRECSIZ)
{
bfd_set_error (bfd_error_file_truncated);
return 0;
}
- /* adjust the buffer */
+ /* Take into account object adjustment. */
+ to_read = PRIV (rec_size);
+ if (PRIV (file_format) == FF_FOREIGN)
+ to_read += VMS_OBJECT_ADJUSTMENT;
- if (PRIV (rec_length) > PRIV (buf_size))
+ /* Adjust the buffer. */
+ if (to_read > PRIV (buf_size))
{
- PRIV (vms_buf) = ((unsigned char *)
- bfd_realloc (vms_buf,
- (bfd_size_type) PRIV (rec_length)));
- vms_buf = PRIV (vms_buf);
- if (vms_buf == 0)
- return -1;
- PRIV (buf_size) = PRIV (rec_length);
+ PRIV (vms_buf)
+ = (unsigned char *) bfd_realloc (PRIV (vms_buf), to_read);
+ if (PRIV (vms_buf) == NULL)
+ return 0;
+ PRIV (buf_size) = to_read;
}
- /* read the remaining record */
-
- remaining = PRIV (rec_length) - test_len + test_start;
+ /* Read the remaining record. */
+ to_read -= read_so_far;
#if VMS_DEBUG
- vms_debug (10, "bfd_bread remaining %d\n", remaining);
+ vms_debug (8, "vms_get_remaining_obj_record: to_read %d\n", to_read);
#endif
- if (bfd_bread (vms_buf + test_len, (bfd_size_type) remaining, abfd) !=
- (bfd_size_type) remaining)
+
+ if (bfd_bread (PRIV (vms_buf) + read_so_far, to_read, abfd) != to_read)
{
bfd_set_error (bfd_error_file_truncated);
return 0;
}
- PRIV (vms_rec) = vms_buf + test_start;
+
+ /* Reset the record pointer. */
+ PRIV (vms_rec) = PRIV (vms_buf);
+ maybe_adjust_record_pointer_for_object (abfd);
}
#if VMS_DEBUG
- vms_debug (11, "bfd_bread rec_length %d\n", PRIV (rec_length));
+ vms_debug (8, "vms_get_remaining_obj_record: size %d\n", PRIV (rec_size));
#endif
- return PRIV (rec_length);
+ return PRIV (rec_size);
}
-/* get next vms record from file
- update vms_rec and rec_length to new (remaining) values */
+/* Implement step #2 of the record reading procedure for images.
+ Return the size of the record or 0 on failure. */
-int
-_bfd_vms_next_record (abfd)
- bfd *abfd;
+static int
+vms_get_remaining_image_record (bfd *abfd, int read_so_far)
{
-#if VMS_DEBUG
- vms_debug (8, "_bfd_vms_next_record (len %d, size %d)\n",
- PRIV (rec_length), PRIV (rec_size));
-#endif
+ unsigned int to_read;
+ int remaining;
- if (PRIV (rec_length) > 0)
- {
- PRIV (vms_rec) += PRIV (rec_size);
- }
- else
+ /* Extract record size. */
+ PRIV (rec_size) = bfd_getl32 (PRIV (vms_rec) + EIHD_S_L_SIZE);
+
+ if (PRIV (rec_size) > PRIV (buf_size))
{
- if (_bfd_vms_get_record (abfd) <= 0)
- return -1;
- }
+ PRIV (vms_buf) = bfd_realloc (PRIV (vms_buf), PRIV (rec_size));
- if (!PRIV (vms_rec) || !PRIV (vms_buf)
- || PRIV (vms_rec) >= (PRIV (vms_buf) + PRIV (buf_size)))
- return -1;
+ if (PRIV (vms_buf) == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return 0;
+ }
- if (PRIV (is_vax))
- {
- PRIV (rec_type) = *(PRIV (vms_rec));
- PRIV (rec_size) = PRIV (rec_length);
+ PRIV (buf_size) = PRIV (rec_size);
}
- else
+
+ /* Read the remaining record. */
+ remaining = PRIV (rec_size) - read_so_far;
+ to_read = MIN (VMS_BLOCK_SIZE - read_so_far, remaining);
+
+ while (remaining > 0)
{
- _bfd_vms_get_header_values (abfd, PRIV (vms_rec), &PRIV (rec_type),
- &PRIV (rec_size));
+ if (bfd_bread (PRIV (vms_buf) + read_so_far, to_read, abfd) != to_read)
+ {
+ bfd_set_error (bfd_error_file_truncated);
+ return 0;
+ }
+
+ read_so_far += to_read;
+ remaining -= to_read;
+
+ /* Eat trailing 0xff's. */
+ if (remaining > 0)
+ while (PRIV (vms_buf) [read_so_far - 1] == 0xff)
+ read_so_far--;
+
+ to_read = MIN (VMS_BLOCK_SIZE, remaining);
}
- PRIV (rec_length) -= PRIV (rec_size);
-#if VMS_DEBUG
- vms_debug (8, "_bfd_vms_next_record: rec %p, size %d, length %d, type %d\n",
- PRIV (vms_rec), PRIV (rec_size), PRIV (rec_length),
- PRIV (rec_type));
-#endif
+ /* Reset the record pointer. */
+ PRIV (vms_rec) = PRIV (vms_buf);
- return PRIV (rec_type);
+ return PRIV (rec_size);
}
-\f
-/* Copy sized string (string with fixed length) to new allocated area
- size is string length (size of record) */
+
+/* Copy sized string (string with fixed size) to new allocated area
+ size is string size (size of record) */
char *
-_bfd_vms_save_sized_string (str, size)
- unsigned char *str;
- int size;
+_bfd_vms_save_sized_string (unsigned char *str, int size)
{
char *newstr = bfd_malloc ((bfd_size_type) size + 1);
if (newstr == NULL)
- return 0;
+ return NULL;
strncpy (newstr, (char *) str, (size_t) size);
newstr[size] = 0;
return newstr;
}
-/* Copy counted string (string with length at first byte) to new allocated area
- ptr points to length byte on entry */
+/* 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 (ptr)
- unsigned char *ptr;
+_bfd_vms_save_counted_string (unsigned char *ptr)
{
int len = *ptr++;
return _bfd_vms_save_sized_string (ptr, len);
}
\f
-/* stack routines for vms ETIR commands */
+/* Stack routines for vms ETIR commands. */
-/* Push value and section index */
+/* Push value and section index. */
void
-_bfd_vms_push (abfd, val, psect)
- bfd *abfd;
- uquad val;
- int psect;
+_bfd_vms_push (bfd * abfd, uquad val, int psect)
{
static int last_psect;
#if VMS_DEBUG
- vms_debug (4, "<push %016lx(%d) at %d>\n", val, psect, PRIV (stackptr));
+ vms_debug (4, "<push %016lx (%d) at %d>\n", val, psect, PRIV (stackptr));
#endif
if (psect >= 0)
(*_bfd_error_handler) (_("Stack overflow (%d) in _bfd_vms_push"), PRIV (stackptr));
exit (1);
}
- return;
}
-/* Pop value and section index */
+/* Pop value and section index. */
uquad
-_bfd_vms_pop (abfd, psect)
- bfd *abfd;
- int *psect;
+_bfd_vms_pop (bfd * abfd, int *psect)
{
uquad value;
return value;
}
\f
-/* object file output functions */
-
-/* GAS tends to write sections in little chunks (bfd_set_section_contents)
- which we can't use directly. So we save the little chunks in linked
- lists (one per section) and write them later. */
-
-/* Add a new vms_section structure to vms_section_table
- - forward chaining - */
-
-static vms_section *
-add_new_contents (abfd, section)
- bfd *abfd;
- sec_ptr section;
-{
- vms_section *sptr, *newptr;
-
- sptr = PRIV (vms_section_table)[section->index];
- if (sptr != NULL)
- return sptr;
-
- newptr = (vms_section *) bfd_alloc (abfd,
- (bfd_size_type) sizeof (vms_section));
- if (newptr == (vms_section *) NULL)
- return NULL;
- newptr->contents = (unsigned char *) bfd_alloc (abfd, section->size);
- if (newptr->contents == (unsigned char *) NULL)
- return NULL;
- newptr->offset = 0;
- newptr->size = section->size;
- newptr->next = 0;
- PRIV (vms_section_table)[section->index] = newptr;
- return newptr;
-}
-
-/* Save section data & offset to a vms_section structure
- vms_section_table[] holds the vms_section chain. */
-
-bfd_boolean
-_bfd_save_vms_section (abfd, section, data, offset, count)
- bfd *abfd;
- sec_ptr section;
- const PTR data;
- file_ptr offset;
- bfd_size_type count;
-{
- vms_section *sptr;
-
- if (section->index >= VMS_SECTION_COUNT)
- {
- bfd_set_error (bfd_error_nonrepresentable_section);
- return FALSE;
- }
- if (count == (bfd_size_type)0)
- return TRUE;
- sptr = add_new_contents (abfd, section);
- if (sptr == NULL)
- return FALSE;
- memcpy (sptr->contents + offset, data, (size_t) count);
-
- return TRUE;
-}
-
-/* Get vms_section pointer to saved contents for section # index */
-
-vms_section *
-_bfd_get_vms_section (abfd, index)
- bfd *abfd;
- int index;
-{
- if (index >= VMS_SECTION_COUNT)
- {
- bfd_set_error (bfd_error_nonrepresentable_section);
- return NULL;
- }
- return PRIV (vms_section_table)[index];
-}
-\f
-/* Object output routines */
+/* Object output routines. */
/* Begin new record or record header
write 2 bytes rectype
write 2 bytes record length (filled in at flush)
- write 2 bytes header type (ommitted if rechead == -1) */
+ write 2 bytes header type (ommitted if rechead == -1). */
void
-_bfd_vms_output_begin (abfd, rectype, rechead)
- bfd *abfd;
- int rectype;
- int rechead;
+_bfd_vms_output_begin (bfd * abfd, int rectype, int rechead)
{
#if VMS_DEBUG
- vms_debug (6, "_bfd_vms_output_begin(type %d, head %d)\n", rectype,
+ vms_debug (6, "_bfd_vms_output_begin (type %d, head %d)\n", rectype,
rechead);
#endif
_bfd_vms_output_short (abfd, (unsigned int) rectype);
- /* save current output position to fill in length later */
+ /* Save current output position to fill in length later. */
if (PRIV (push_level) > 0)
PRIV (length_pos) = PRIV (output_size);
PRIV (length_pos));
#endif
- _bfd_vms_output_short (abfd, 0); /* placeholder for length */
+ /* Placeholder for length. */
+ _bfd_vms_output_short (abfd, 0);
if (rechead != -1)
_bfd_vms_output_short (abfd, (unsigned int) rechead);
-
- return;
}
-/* Set record/subrecord alignment */
+/* Set record/subrecord alignment. */
void
-_bfd_vms_output_alignment (abfd, alignto)
- bfd *abfd;
- int alignto;
+_bfd_vms_output_alignment (bfd * abfd, int alignto)
{
#if VMS_DEBUG
- vms_debug (6, "_bfd_vms_output_alignment(%d)\n", alignto);
+ vms_debug (6, "_bfd_vms_output_alignment (%d)\n", alignto);
#endif
PRIV (output_alignment) = alignto;
- return;
}
-/* Prepare for subrecord fields */
+/* Prepare for subrecord fields. */
void
-_bfd_vms_output_push (abfd)
- bfd *abfd;
+_bfd_vms_output_push (bfd * abfd)
{
#if VMS_DEBUG
- vms_debug (6, "vms_output_push(pushed_size = %d)\n", PRIV (output_size));
+ vms_debug (6, "vms_output_push (pushed_size = %d)\n", PRIV (output_size));
#endif
PRIV (push_level)++;
PRIV (pushed_size) = PRIV (output_size);
- return;
}
-/* End of subrecord fields */
+/* End of subrecord fields. */
void
-_bfd_vms_output_pop (abfd)
- bfd *abfd;
+_bfd_vms_output_pop (bfd * abfd)
{
#if VMS_DEBUG
- vms_debug (6, "vms_output_pop(pushed_size = %d)\n", PRIV (pushed_size));
+ vms_debug (6, "vms_output_pop (pushed_size = %d)\n", PRIV (pushed_size));
#endif
_bfd_vms_output_flush (abfd);
PRIV (pushed_size) = 0;
PRIV (push_level)--;
- return;
}
-/* Flush unwritten output, ends current record */
+/* Flush unwritten output, ends current record. */
void
-_bfd_vms_output_flush (abfd)
- bfd *abfd;
+_bfd_vms_output_flush (bfd * abfd)
{
int real_size = PRIV (output_size);
int aligncount;
int length;
#if VMS_DEBUG
- vms_debug (6, "_bfd_vms_output_flush(real_size = %d, pushed_size %d at lenpos %d)\n",
+ vms_debug (6, "_bfd_vms_output_flush (real_size = %d, pushed_size %d at lenpos %d)\n",
real_size, PRIV (pushed_size), PRIV (length_pos));
#endif
length++;
}
- /* put length to buffer */
+ /* Put length to buffer. */
PRIV (output_size) = PRIV (length_pos);
_bfd_vms_output_short (abfd, (unsigned int) length);
if (PRIV (push_level) == 0)
{
-#ifndef VMS
- /* write length first, see FF_FOREIGN in the input routines */
- fwrite (PRIV (output_buf) + 2, 2, 1, (FILE *) abfd->iostream);
-#endif
- fwrite (PRIV (output_buf), (size_t) real_size, 1,
- (FILE *) abfd->iostream);
-
+ /* 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. */
+ bfd_bwrite (PRIV (output_buf) + 2, 2, abfd);
+ bfd_bwrite (PRIV (output_buf), (size_t) real_size, abfd);
PRIV (output_size) = 0;
}
else
PRIV (output_size) = real_size;
PRIV (pushed_size) = PRIV (output_size);
}
-
- return;
}
-/* End record output */
+/* End record output. */
void
-_bfd_vms_output_end (abfd)
- bfd *abfd;
+_bfd_vms_output_end (bfd * abfd)
{
#if VMS_DEBUG
vms_debug (6, "_bfd_vms_output_end\n");
#endif
_bfd_vms_output_flush (abfd);
-
- return;
}
-/* check remaining buffer size
+/* Check remaining buffer size
- return what's left. */
+ Return what's left. */
int
-_bfd_vms_output_check (abfd, size)
- bfd *abfd;
- int size;
+_bfd_vms_output_check (bfd * abfd, int size)
{
#if VMS_DEBUG
- vms_debug (6, "_bfd_vms_output_check(%d)\n", size);
+ vms_debug (6, "_bfd_vms_output_check (%d)\n", size);
#endif
return (MAX_OUTREC_SIZE - (PRIV (output_size) + size + MIN_OUTREC_LUFT));
}
-/* Output byte (8 bit) value */
+/* Output byte (8 bit) value. */
void
-_bfd_vms_output_byte (abfd, value)
- bfd *abfd;
- unsigned int value;
+_bfd_vms_output_byte (bfd * abfd, unsigned int value)
{
#if VMS_DEBUG
- vms_debug (6, "_bfd_vms_output_byte(%02x)\n", value);
+ vms_debug (6, "_bfd_vms_output_byte (%02x)\n", value);
#endif
bfd_put_8 (abfd, value & 0xff, PRIV (output_buf) + PRIV (output_size));
PRIV (output_size) += 1;
- return;
}
-/* Output short (16 bit) value */
+/* Output short (16 bit) value. */
void
-_bfd_vms_output_short (abfd, value)
- bfd *abfd;
- unsigned int value;
+_bfd_vms_output_short (bfd * abfd, unsigned int value)
{
#if VMS_DEBUG
vms_debug (6, "_bfd_vms_output_short (%04x)\n", value);
bfd_put_16 (abfd, (bfd_vma) value & 0xffff,
PRIV (output_buf) + PRIV (output_size));
PRIV (output_size) += 2;
- return;
}
-/* Output long (32 bit) value */
+/* Output long (32 bit) value. */
void
-_bfd_vms_output_long (abfd, value)
- bfd *abfd;
- unsigned long value;
+_bfd_vms_output_long (bfd * abfd, unsigned long value)
{
#if VMS_DEBUG
vms_debug (6, "_bfd_vms_output_long (%08lx)\n", value);
bfd_put_32 (abfd, (bfd_vma) value, PRIV (output_buf) + PRIV (output_size));
PRIV (output_size) += 4;
- return;
}
-/* Output quad (64 bit) value */
+/* Output quad (64 bit) value. */
void
-_bfd_vms_output_quad (abfd, value)
- bfd *abfd;
- uquad value;
+_bfd_vms_output_quad (bfd * abfd, uquad value)
{
#if VMS_DEBUG
- vms_debug (6, "_bfd_vms_output_quad(%016lx)\n", value);
+ vms_debug (6, "_bfd_vms_output_quad (%016lx)\n", value);
#endif
bfd_put_64(abfd, value, PRIV (output_buf) + PRIV (output_size));
PRIV (output_size) += 8;
- return;
}
-/* Output c-string as counted string */
+/* Output c-string as counted string. */
void
-_bfd_vms_output_counted (abfd, value)
- bfd *abfd;
- char *value;
+_bfd_vms_output_counted (bfd * abfd, char *value)
{
-int len;
+ int len;
#if VMS_DEBUG
- vms_debug (6, "_bfd_vms_output_counted(%s)\n", value);
+ vms_debug (6, "_bfd_vms_output_counted (%s)\n", value);
#endif
len = strlen (value);
return;
}
_bfd_vms_output_byte (abfd, (unsigned int) len & 0xff);
- _bfd_vms_output_dump (abfd, (unsigned char *)value, len);
+ _bfd_vms_output_dump (abfd, (unsigned char *) value, len);
}
-/* Output character area */
+/* Output character area. */
void
-_bfd_vms_output_dump (abfd, data, length)
- bfd *abfd;
- unsigned char *data;
- int length;
+_bfd_vms_output_dump (bfd * abfd,
+ unsigned char *data,
+ int length)
{
#if VMS_DEBUG
- vms_debug (6, "_bfd_vms_output_dump(%d)\n", length);
+ vms_debug (6, "_bfd_vms_output_dump (%d)\n", length);
#endif
if (length == 0)
memcpy (PRIV (output_buf) + PRIV (output_size), data, (size_t) length);
PRIV (output_size) += length;
-
- return;
}
-/* Output count bytes of value */
+/* Output count bytes of value. */
void
-_bfd_vms_output_fill (abfd, value, count)
- bfd *abfd;
- int value;
- int count;
+_bfd_vms_output_fill (bfd * abfd,
+ int value,
+ int count)
{
#if VMS_DEBUG
- vms_debug (6, "_bfd_vms_output_fill(val %02x times %d)\n", value, count);
+ vms_debug (6, "_bfd_vms_output_fill (val %02x times %d)\n", value, count);
#endif
if (count == 0)
return;
memset (PRIV (output_buf) + PRIV (output_size), value, (size_t) count);
PRIV (output_size) += count;
-
- return;
}
-/* this hash routine borrowed from GNU-EMACS, and strengthened slightly ERY*/
+/* This hash routine borrowed from GNU-EMACS, and strengthened slightly. ERY. */
static int
-hash_string (ptr)
- const char *ptr;
+hash_string (const char *ptr)
{
- register const unsigned char *p = (unsigned char *) ptr;
- register const unsigned char *end = p + strlen (ptr);
- register unsigned char c;
- register int hash = 0;
+ const unsigned char *p = (unsigned char *) ptr;
+ const unsigned char *end = p + strlen (ptr);
+ unsigned char c;
+ int hash = 0;
while (p != end)
{
/* Generate a length-hashed VMS symbol name (limited to maxlen chars). */
char *
-_bfd_vms_length_hash_symbol (abfd, in, maxlen)
- bfd *abfd;
- const char *in;
- int maxlen;
+_bfd_vms_length_hash_symbol (bfd * abfd, const char *in, int maxlen)
{
- long int result;
+ unsigned long result;
int in_len;
char *new_name;
const char *old_name;
char *out = outbuf;
#if VMS_DEBUG
- vms_debug(4, "_bfd_vms_length_hash_symbol \"%s\"\n", in);
+ vms_debug (4, "_bfd_vms_length_hash_symbol \"%s\"\n", in);
#endif
if (maxlen > EOBJ_S_C_SYMSIZ)
maxlen = EOBJ_S_C_SYMSIZ;
- new_name = out; /* save this for later. */
+ /* Save this for later. */
+ new_name = out;
/* We may need to truncate the symbol, save the hash for later. */
-
in_len = strlen (in);
result = (in_len > maxlen) ? hash_string (in) : 0;
old_name = in;
/* Do the length checking. */
-
if (in_len <= maxlen)
- {
- i = in_len;
- }
+ i = in_len;
else
{
if (PRIV (flag_hash_long_names))
*out = 0;
#if VMS_DEBUG
- vms_debug(4, "--> [%d]\"%s\"\n", strlen (outbuf), outbuf);
+ vms_debug (4, "--> [%d]\"%s\"\n", strlen (outbuf), outbuf);
#endif
if (in_len > maxlen
/* Allocate and initialize a new symbol. */
static asymbol *
-new_symbol (abfd, name)
- bfd *abfd;
- char *name;
+new_symbol (bfd * abfd, char *name)
{
asymbol *symbol;
if (symbol == 0)
return symbol;
symbol->name = name;
- symbol->section = bfd_make_section (abfd, BFD_UND_SECTION_NAME);
+ symbol->section = (asection *)(unsigned long)-1;
return symbol;
}
/* Allocate and enter a new private symbol. */
vms_symbol_entry *
-_bfd_vms_enter_symbol (abfd, name)
- bfd *abfd;
- char *name;
+_bfd_vms_enter_symbol (bfd * abfd, char *name)
{
vms_symbol_entry *entry;
projects / deliverable / binutils-gdb.git / blobdiff