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* libbfd.c (bfd_write): If not everything is written out, set

Browse Source 
bfd_error to system_call_error.  If the return value is
	non-negative, set errno to ENOSPC (if ENOSPC is defined).
	(bfd_seek): If the seek fails, set bfd_error to system_call_error.
	(bfd_generic_set_section_contents): For a bad offset + count, set
	bfd_error to bad_value.
	* seclet.c (rel): Don't abort.  Instead, return false.
This commit is contained in:
Ian Lance Taylor 1993-10-25 20:09:46 +00:00
parent b94e8c39e0
commit df34342bde
3 changed files with 64 additions and 34 deletions
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10
bfd/ChangeLog
View File

@ -1,3 +1,13 @@
Mon Oct 25 16:05:23 1993 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
* libbfd.c (bfd_write): If not everything is written out, set
bfd_error to system_call_error. If the return value is
non-negative, set errno to ENOSPC (if ENOSPC is defined).
(bfd_seek): If the seek fails, set bfd_error to system_call_error.
(bfd_generic_set_section_contents): For a bad offset + count, set
bfd_error to bad_value.
* seclet.c (rel): Don't abort. Instead, return false.
Mon Oct 25 09:59:37 1993 Ken Raeburn (raeburn@cygnus.com)
* aoutx.h (reloc_type_lookup): Handle BFD_RELOC_SPARC_WDISP22.

86
bfd/libbfd.c
View File

@ -216,17 +216,25 @@ DEFUN(bfd_read,(ptr, size, nitems, abfd),
}
bfd_size_type
DEFUN(bfd_write,(ptr, size, nitems, abfd),
CONST PTR ptr AND
bfd_size_type size AND
bfd_size_type nitems AND
bfd *abfd)
bfd_write (ptr, size, nitems, abfd)
CONST PTR ptr;
bfd_size_type size;
bfd_size_type nitems;
bfd *abfd;
{
int nwrote = fwrite (ptr, 1, (int)(size*nitems), bfd_cache_lookup(abfd));
int nwrote = fwrite (ptr, 1, (int) (size * nitems), bfd_cache_lookup (abfd));
#ifdef FILE_OFFSET_IS_CHAR_INDEX
if (nwrote > 0)
abfd->where += nwrote;
#endif
if (nwrote != size * nitems)
{
#ifdef ENOSPC
if (nwrote >= 0)
errno = ENOSPC;
#endif
bfd_error = system_call_error;
}
return nwrote;
}
@ -343,8 +351,11 @@ DEFUN(bfd_seek,(abfd, position, direction),
result = fseek (f, file_position, direction);
if (result != 0)
/* Force redetermination of `where' field. */
bfd_tell (abfd);
{
/* Force redetermination of `where' field. */
bfd_tell (abfd);
bfd_error = system_call_error;
}
else
{
#ifdef FILE_OFFSET_IS_CHAR_INDEX
@ -541,11 +552,11 @@ DESCRIPTION
*/
/* Sign extension to bfd_signed_vma. */
#define COERCE16(x) ((bfd_signed_vma) (((x) ^ 0x8000) - 0x8000))
#define COERCE32(x) ((bfd_signed_vma) (((x) ^ 0x80000000) - 0x80000000))
#define COERCE16(x) (((bfd_signed_vma) (x) ^ 0x8000) - 0x8000)
#define COERCE32(x) (((bfd_signed_vma) (x) ^ 0x80000000) - 0x80000000)
#define EIGHT_GAZILLION (((HOST_64_BIT)0x80000000) << 32)
#define COERCE64(x) ((bfd_signed_vma)\
(((x) ^ EIGHT_GAZILLION) - EIGHT_GAZILLION))
#define COERCE64(x) \
(((bfd_signed_vma) (x) ^ EIGHT_GAZILLION) - EIGHT_GAZILLION)
bfd_vma
DEFUN(bfd_getb16,(addr),
@ -597,21 +608,23 @@ bfd_vma
bfd_getb32 (addr)
register bfd_byte *addr;
{
return ((((addr[0] << 8) | addr[1]) << 8) | addr[2]) << 8 | addr[3];
return (((((bfd_vma)addr[0] << 8) | addr[1]) << 8)
| addr[2]) << 8 | addr[3];
}
bfd_vma
bfd_getl32 (addr)
register bfd_byte *addr;
{
return ((((addr[3] << 8) | addr[2]) << 8) | addr[1]) << 8 | addr[0];
return (((((bfd_vma)addr[3] << 8) | addr[2]) << 8)
| addr[1]) << 8 | addr[0];
}
bfd_signed_vma
bfd_getb_signed_32 (addr)
register bfd_byte *addr;
{
return COERCE32(((((addr[0] << 8) | addr[1]) << 8)
return COERCE32((((((bfd_vma)addr[0] << 8) | addr[1]) << 8)
| addr[2]) << 8 | addr[3]);
}
@ -619,7 +632,7 @@ bfd_signed_vma
bfd_getl_signed_32 (addr)
register bfd_byte *addr;
{
return COERCE32(((((addr[3] << 8) | addr[2]) << 8)
return COERCE32((((((bfd_vma)addr[3] << 8) | addr[2]) << 8)
| addr[1]) << 8 | addr[0]);
}
@ -635,7 +648,7 @@ DEFUN(bfd_getb64,(addr),
addr[2]) << 8) |
addr[3]) );
low = ((((((((addr[4]) << 8) |
low = (((((((((bfd_vma)addr[4]) << 8) |
addr[5]) << 8) |
addr[6]) << 8) |
addr[7]));
@ -660,7 +673,7 @@ DEFUN(bfd_getl64,(addr),
addr[5]) << 8) |
addr[4]));
low = (((((((addr[3] << 8) |
low = ((((((((bfd_vma)addr[3] << 8) |
addr[2]) << 8) |
addr[1]) << 8) |
addr[0]) );
@ -685,7 +698,7 @@ DEFUN(bfd_getb_signed_64,(addr),
addr[2]) << 8) |
addr[3]) );
low = ((((((((addr[4]) << 8) |
low = (((((((((bfd_vma)addr[4]) << 8) |
addr[5]) << 8) |
addr[6]) << 8) |
addr[7]));
@ -710,7 +723,7 @@ DEFUN(bfd_getl_signed_64,(addr),
addr[5]) << 8) |
addr[4]));
low = (((((((addr[3] << 8) |
low = ((((((((bfd_vma)addr[3] << 8) |
addr[2]) << 8) |
addr[1]) << 8) |
addr[0]) );
@ -809,20 +822,27 @@ DEFUN(bfd_generic_get_section_contents, (abfd, section, location, offset, count)
in read-write files, though. See other set_section_contents functions
to see why it doesn't work for new sections. */
boolean
DEFUN(bfd_generic_set_section_contents, (abfd, section, location, offset, count),
bfd *abfd AND
sec_ptr section AND
PTR location AND
file_ptr offset AND
bfd_size_type count)
bfd_generic_set_section_contents (abfd, section, location, offset, count)
bfd *abfd;
sec_ptr section;
PTR location;
file_ptr offset;
bfd_size_type count;
{
if (count == 0)
return true;
if ((bfd_size_type)(offset+count) > bfd_get_section_size_after_reloc(section)
|| bfd_seek(abfd, (file_ptr)(section->filepos + offset), SEEK_SET) == -1
|| bfd_write(location, (bfd_size_type)1, count, abfd) != count)
return (false); /* on error */
return (true);
if (count == 0)
return true;
if (offset + count > bfd_get_section_size_after_reloc (section))
{
bfd_error = bad_value;
return false;
}
if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) == -1
|| bfd_write (location, (bfd_size_type) 1, count, abfd) != count)
return false;
return true;
}
/*

2
bfd/seclet.c
View File

@ -90,7 +90,7 @@ DEFUN(rel,(abfd, seclet, output_section, data, relocateable),
seclet->offset,
seclet->size) == false)
{
abort();
return false;
}
}
return true;