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PR25444, Floating point exception in _bfd_elf_compute_section_file_positions 

PR 25444
	* elf.c (assign_file_positions_for_load_sections): Avoid divide
	by zero when p_align is zero.
This commit is contained in:
Alan Modra 2020-01-23 11:35:51 +10:30
parent 403d1bd91d
commit 67641dd326
2 changed files with 17 additions and 5 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
2020-01-23 Alan Modra <amodra@gmail.com>
PR 25444
* elf.c (assign_file_positions_for_load_sections): Avoid divide
by zero when p_align is zero.
2020-01-22 Maxim Blinov <maxim.blinov@embecosm.com>
* bfd/elfnn-riscv.c (riscv_skip_prefix): New.

16
bfd/elf.c
View File

@ -5755,11 +5755,17 @@ assign_file_positions_for_load_sections (bfd *abfd,
{
p->p_offset = off;
if (no_contents)
/* Put meaningless p_offset for PT_LOAD segments
without file contents somewhere within the first
page, in an attempt to not point past EOF. */
p->p_offset = off % (p->p_align > maxpagesize
? p->p_align : maxpagesize);
{
/* Put meaningless p_offset for PT_LOAD segments
without file contents somewhere within the first
page, in an attempt to not point past EOF. */
bfd_size_type align = maxpagesize;
if (align < p->p_align)
align = p->p_align;
if (align < 1)
align = 1;
p->p_offset = off % align;
}
}
else
{