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dwarf2read: Allow SEC_ALLOC sections to be located at address 0. 

GDB already allows statically initialized variables, located in
SEC_LOAD sections, to be placed at address 0.  This change allows
uninitialized variables (which are in SEC_ALLOC sections) to be placed
address 0 as well.

gdb/ChangeLog:

	* dwarf2read.c (dwarf2_locate_sections): Allow has_section_at_zero
	to be set for SEC_ALLOC sections too.
This commit is contained in:
Kevin Buettner 2015-07-10 17:41:55 -07:00
parent ce62125ee9
commit b4e1fd615a
2 changed files with 6 additions and 1 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2015-07-18 Kevin Buettner <kevinb@redhat.com>
* dwarf2read.c (dwarf2_locate_sections): Allow has_section_at_zero
to be set for SEC_ALLOC sections too.
2015-07-17 Yao Qi <yao.qi@linaro.org>
* Makefile.in (HFILES_NO_SRCDIR): Add

2
gdb/dwarf2read.c
View File

@ -2241,7 +2241,7 @@ dwarf2_locate_sections (bfd *abfd, asection *sectp, void *vnames)
dwarf2_per_objfile->gdb_index.size = bfd_get_section_size (sectp);
}
if ((bfd_get_section_flags (abfd, sectp) & SEC_LOAD)
if ((bfd_get_section_flags (abfd, sectp) & (SEC_LOAD | SEC_ALLOC))
&& bfd_section_vma (abfd, sectp) == 0)
dwarf2_per_objfile->has_section_at_zero = 1;
}