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authorSandra Loosemore <sandra@codesourcery.com>2015-12-27 12:30:26 -0800
committerSandra Loosemore <sandra@codesourcery.com>2015-12-27 12:30:26 -0800
commita7be2893a6449e64fe6cfcdd8700b0a367a69f19 (patch)
treede6add78b79a30f5330c0c7711d4a17976303858
parent5d01527536684c75235f2ed288b11d253572b570 (diff)
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Correct nios2 _gp address computation.
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.
-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/elf32-nios2.c31
2 files changed, 28 insertions, 10 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index a3f3a6c..0689cf0 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -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
diff --git a/bfd/elf32-nios2.c b/bfd/elf32-nios2.c
index 1c54320..babecf3 100644
--- a/bfd/elf32-nios2.c
+++ b/bfd/elf32-nios2.c
@@ -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,