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authorRichard Earnshaw <richard.earnshaw@arm.com>2002-03-21 15:26:03 +0000
committerRichard Earnshaw <richard.earnshaw@arm.com>2002-03-21 15:26:03 +0000
commit1e10a8ea43696576bbdc5a666fbd86b609f3d002 (patch)
treeefd8ef14f808ff14b99961e4233c41f4c2dfac61 /bfd
parent4d2f5e416f212a5f40f65e3f49181f087b3c803e (diff)
downloadgdb-1e10a8ea43696576bbdc5a666fbd86b609f3d002.tar.gz
* elf32-arm.h (elf32_arm_final_link_relocate case R_ARM_GOTOFF)
(case R_ARM_GOT): Handle relocations to Thumb functions.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog5
-rw-r--r--bfd/elf32-arm.h13
2 files changed, 18 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index bbff31d4fc9..884499405a6 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2002-03-21 Richard Earnshaw <rearnsha@arm.com>
+
+ * elf32-arm.h (elf32_arm_final_link_relocate case R_ARM_GOTOFF)
+ (case R_ARM_GOT): Handle relocations to Thumb functions.
+
2002-03-21 Alan Modra <amodra@bigpond.net.au>
* coff64-rs6000.c (_bfd_xcoff64_put_symbol_name): Prototype.
diff --git a/bfd/elf32-arm.h b/bfd/elf32-arm.h
index a452465ead2..04965412a00 100644
--- a/bfd/elf32-arm.h
+++ b/bfd/elf32-arm.h
@@ -1560,6 +1560,12 @@ elf32_arm_final_link_relocate (howto, input_bfd, output_bfd,
if (sgot == NULL)
return bfd_reloc_notsupported;
+ /* If we are addressing a Thumb function, we need to adjust the
+ address by one, so that attempts to call the function pointer will
+ correctly interpret it as Thumb code. */
+ if (sym_flags == STT_ARM_TFUNC)
+ value += 1;
+
/* Note that sgot->output_offset is not involved in this
calculation. We always want the start of .got. If we
define _GLOBAL_OFFSET_TABLE in a different way, as is
@@ -1612,6 +1618,13 @@ elf32_arm_final_link_relocate (howto, input_bfd, output_bfd,
off &= ~1;
else
{
+ /* If we are addressing a Thumb function, we need to
+ adjust the address by one, so that attempts to
+ call the function pointer will correctly
+ interpret it as Thumb code. */
+ if (sym_flags == STT_ARM_TFUNC)
+ value |= 1;
+
bfd_put_32 (output_bfd, value, sgot->contents + off);
h->got.offset |= 1;
}