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Correct nios2 _gp address computation.

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2015-12-27  Sandra Loosemore  <sandra@codesourcery.com>

	bfd/
	* elf32-nios2.c (nios2_elf_assign_gp): Correct computation of _gp
	address.
	(nios2_elf32_relocate_section): Tidy code for R_NIOS2_GPREL error
	messages.
This commit is contained in:
Sandra Loosemore 2015-12-27 12:30:26 -08:00
parent 5d01527536
commit a7be2893a6
2 changed files with 28 additions and 10 deletions
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7
bfd/ChangeLog
View File

@ -1,3 +1,10 @@
2015-12-27 Sandra Loosemore <sandra@codesourcery.com>
* elf32-nios2.c (nios2_elf_assign_gp): Correct computation of _gp
address.
(nios2_elf32_relocate_section): Tidy code for R_NIOS2_GPREL error
messages.
2015-12-24 Thomas Preud'homme <thomas.preudhomme@arm.com>
* elf32-arm.c (using_thumb_only): Check that profile is 'M' and update

31
bfd/elf32-nios2.c
View File

@ -3086,7 +3086,15 @@ lookup:
case bfd_link_hash_defined:
case bfd_link_hash_defweak:
gp_found = TRUE;
*pgp = lh->u.def.value;
{
asection *sym_sec = lh->u.def.section;
bfd_vma sym_value = lh->u.def.value;
if (sym_sec->output_section)
sym_value = (sym_value + sym_sec->output_offset
+ sym_sec->output_section->vma);
*pgp = sym_value;
}
break;
case bfd_link_hash_indirect:
case bfd_link_hash_warning:
@ -3719,7 +3727,6 @@ nios2_elf32_relocate_section (bfd *output_bfd,
struct elf32_nios2_link_hash_entry *eh;
bfd_vma relocation;
bfd_vma gp;
bfd_vma reloc_address;
bfd_reloc_status_type r = bfd_reloc_ok;
const char *name = NULL;
int r_type;
@ -3762,12 +3769,6 @@ nios2_elf32_relocate_section (bfd *output_bfd,
if (bfd_link_relocatable (info))
continue;
if (sec && sec->output_section)
reloc_address = (sec->output_section->vma + sec->output_offset
+ rel->r_offset);
else
reloc_address = 0;
if (howto)
{
switch (howto->type)
@ -3816,6 +3817,15 @@ nios2_elf32_relocate_section (bfd *output_bfd,
/* Turns an absolute address into a gp-relative address. */
if (!nios2_elf_assign_gp (output_bfd, &gp, info))
{
bfd_vma reloc_address;
if (sec && sec->output_section)
reloc_address = (sec->output_section->vma
+ sec->output_offset
+ rel->r_offset);
else
reloc_address = 0;
format = _("global pointer relative relocation at address "
"0x%08x when _gp not defined\n");
sprintf (msgbuf, format, reloc_address);
@ -3825,7 +3835,7 @@ nios2_elf32_relocate_section (bfd *output_bfd,
else
{
bfd_vma symbol_address = rel->r_addend + relocation;
relocation = relocation + rel->r_addend - gp;
relocation = symbol_address - gp;
rel->r_addend = 0;
if (((signed) relocation < -32768
|| (signed) relocation > 32767)
@ -3833,6 +3843,8 @@ nios2_elf32_relocate_section (bfd *output_bfd,
|| h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak))
{
if (h)
name = h->root.root.string;
format = _("Unable to reach %s (at 0x%08x) from the "
"global pointer (at 0x%08x) because the "
"offset (%d) is out of the allowed range, "
@ -3848,7 +3860,6 @@ nios2_elf32_relocate_section (bfd *output_bfd,
rel->r_offset, relocation,
rel->r_addend);
}
break;
case R_NIOS2_UJMP:
r = nios2_elf32_do_ujmp_relocate (input_bfd, howto,