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bfd/s390: Misc minor fixes.

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The only non-comment fix here is in the code writing out the 3 fixed
.got.plt entries - it mistakenly put a 64-bit 0 at offsets 8 and 12
instead of 8 and 16.

bfd/ChangeLog:

	* elf32-s390.c (elf_s390_finish_dynamic_symbol): Fix comment.
	* elf64-s390.c (elf_s390x_plt_entry): Fix comment.
	(elf_s390_relocate_section): Fix comment.
	(elf_s390_finish_dynamic_sections): Fix initialization of fixed
	.got.plt entries.
This commit is contained in:
Marcin Kościelnicki 2016-06-03 16:39:15 +02:00
parent 1aec0b6ad6
commit 3b67f09464
3 changed files with 13 additions and 5 deletions
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8
bfd/ChangeLog
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@ -1,3 +1,11 @@
2016-06-07 Marcin Kościelnicki <koriakin@0x04.net>
* elf32-s390.c (elf_s390_finish_dynamic_symbol): Fix comment.
* elf64-s390.c (elf_s390x_plt_entry): Fix comment.
(elf_s390_relocate_section): Fix comment.
(elf_s390_finish_dynamic_sections): Fix initialization of fixed
.got.plt entries.
2016-06-07 Ulrich Weigand <ulrich.weigand@de.ibm.com>
* elf64-s390.c (elf_s390_finish_dynamic_sections): Subtract plt

2
bfd/elf32-s390.c
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@ -3691,7 +3691,7 @@ elf_s390_finish_dynamic_symbol (bfd *output_bfd,
/* Put in the GOT offset as displacement value. The 0xc000
value comes from the first word of the plt entry. Look
at the elf_s390_plt_pic16_entry content. */
at the elf_s390_plt_pic12_entry content. */
bfd_put_16 (output_bfd, (bfd_vma)0xc000 | got_offset,
htab->elf.splt->contents + h->plt.offset + 2);

8
bfd/elf64-s390.c
View File

@ -492,8 +492,8 @@ elf_s390_is_local_label_name (bfd *abfd, const char *name)
The GOT holds the address in the PLT to be executed.
The loader then gets:
24(15) = Pointer to the structure describing the object.
28(15) = Offset in symbol table
48(15) = Pointer to the structure describing the object.
56(15) = Offset in symbol table
The loader must then find the module where the function is
and insert the address in the GOT.
@ -2479,7 +2479,7 @@ elf_s390_relocate_section (bfd *output_bfd,
PLT_ENTRY_SIZE;
/* Offset in GOT is PLT index plus GOT headers(3)
times 4, addr & GOT addr. */
times 8, addr & GOT addr. */
relocation = (plt_index + 3) * GOT_ENTRY_SIZE;
if (r_type == R_390_GOTPLTENT)
relocation += htab->elf.sgot->output_section->vma;
@ -3805,7 +3805,7 @@ elf_s390_finish_dynamic_sections (bfd *output_bfd,
/* One entry for shared object struct ptr. */
bfd_put_64 (output_bfd, (bfd_vma) 0, htab->elf.sgotplt->contents + 8);
/* One entry for _dl_runtime_resolve. */
bfd_put_64 (output_bfd, (bfd_vma) 0, htab->elf.sgotplt->contents + 12);
bfd_put_64 (output_bfd, (bfd_vma) 0, htab->elf.sgotplt->contents + 16);
}
elf_section_data (htab->elf.sgot->output_section)