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Use the file_ptr type when calling bfd_seek. 

PR ld/19123
	* elfcore.h (elf_core_file_p): Use the file_ptr type to hold the
	offset for bfd_seek.
	* elfcode.h (elf_object_p): Likewise.
This commit is contained in:
Riku Voipio 2015-10-15 12:56:55 +01:00 committed by Nick Clifton
parent 35cd5fc22e
commit b32a5c16f1
3 changed files with 16 additions and 19 deletions
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7
bfd/ChangeLog
View File

@ -1,3 +1,10 @@
2015-10-15 Riku Voipio <riku.voipio@iki.fi>
PR ld/19123
* elfcore.h (elf_core_file_p): Use the file_ptr type to hold the
offset for bfd_seek.
* elfcode.h (elf_object_p): Likewise.
2015-10-14 Rich Felker <dalias@libc.org>
PR ld/19091

13
bfd/elfcode.h
View File

@ -605,13 +605,10 @@ elf_object_p (bfd *abfd)
if (i_ehdrp->e_shoff != 0)
{
bfd_signed_vma where = i_ehdrp->e_shoff;
if (where != (file_ptr) where)
goto got_wrong_format_error;
file_ptr where = (file_ptr) i_ehdrp->e_shoff;
/* Seek to the section header table in the file. */
if (bfd_seek (abfd, (file_ptr) where, SEEK_SET) != 0)
if (bfd_seek (abfd, where, SEEK_SET) != 0)
goto got_no_match;
/* Read the first section header at index 0, and convert to internal
@ -657,19 +654,17 @@ elf_object_p (bfd *abfd)
goto got_wrong_format_error;
where += (i_ehdrp->e_shnum - 1) * sizeof (x_shdr);
if (where != (file_ptr) where)
goto got_wrong_format_error;
if ((bfd_size_type) where <= i_ehdrp->e_shoff)
goto got_wrong_format_error;
if (bfd_seek (abfd, (file_ptr) where, SEEK_SET) != 0)
if (bfd_seek (abfd, where, SEEK_SET) != 0)
goto got_no_match;
if (bfd_bread (&x_shdr, sizeof x_shdr, abfd) != sizeof (x_shdr))
goto got_no_match;
/* Back to where we were. */
where = i_ehdrp->e_shoff + sizeof (x_shdr);
if (bfd_seek (abfd, (file_ptr) where, SEEK_SET) != 0)
if (bfd_seek (abfd, where, SEEK_SET) != 0)
goto got_no_match;
}
}

15
bfd/elfcore.h
View File

@ -188,13 +188,10 @@ elf_core_file_p (bfd *abfd)
{
Elf_External_Shdr x_shdr;
Elf_Internal_Shdr i_shdr;
bfd_signed_vma where = i_ehdrp->e_shoff;
if (where != (file_ptr) where)
goto wrong;
file_ptr where = (file_ptr) i_ehdrp->e_shoff;
/* Seek to the section header table in the file. */
if (bfd_seek (abfd, (file_ptr) where, SEEK_SET) != 0)
if (bfd_seek (abfd, where, SEEK_SET) != 0)
goto fail;
/* Read the first section header at index 0, and convert to internal
@ -217,7 +214,7 @@ elf_core_file_p (bfd *abfd)
{
Elf_External_Phdr x_phdr;
Elf_Internal_Phdr i_phdr;
bfd_signed_vma where;
file_ptr where;
/* Check that we don't have a totally silly number of
program headers. */
@ -225,13 +222,11 @@ elf_core_file_p (bfd *abfd)
|| i_ehdrp->e_phnum > (unsigned int) -1 / sizeof (i_phdr))
goto wrong;
where = i_ehdrp->e_phoff + (i_ehdrp->e_phnum - 1) * sizeof (x_phdr);
if (where != (file_ptr) where)
goto wrong;
where = (file_ptr)(i_ehdrp->e_phoff + (i_ehdrp->e_phnum - 1) * sizeof (x_phdr));
if ((bfd_size_type) where <= i_ehdrp->e_phoff)
goto wrong;
if (bfd_seek (abfd, (file_ptr) where, SEEK_SET) != 0)
if (bfd_seek (abfd, where, SEEK_SET) != 0)
goto fail;
if (bfd_bread (&x_phdr, sizeof (x_phdr), abfd) != sizeof (x_phdr))
goto fail;