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authorThiemo Seufer <ths@networkno.de>2002-06-07 23:43:41 +0000
committerThiemo Seufer <ths@networkno.de>2002-06-07 23:43:41 +0000
commit5a659663498b855ac76057cd70f34f8c53d5725d (patch)
tree0bb28b02a8e3c6fe35d87343bbe0cbbbddff8324
parenta4672219e13fda11f1aad0f7eb6c6edff361021b (diff)
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* elfxx-mips.c (_bfd_mips_elf_relocate_section): Simplify code.
Fix RELA addends to get not shifted in the result. Don't do special handling of R_MIPS_64 for NewABI.
-rw-r--r--bfd/ChangeLog6
-rw-r--r--bfd/elfxx-mips.c51
2 files changed, 28 insertions, 29 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index a98068e..e5e6813 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2002-06-08 Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
+
+ * elfxx-mips.c (_bfd_mips_elf_relocate_section): Simplify code.
+ Fix RELA addends to get not shifted in the result. Don't do special
+ handling of R_MIPS_64 for NewABI.
+
2002-06-07 Alan Modra <amodra@bigpond.net.au>
* aoutx.h (NAME(aout,slurp_symbol_table)): Use bfd_zmalloc.
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index fa32640..a2200d5 100644
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -5013,8 +5013,7 @@ _bfd_mips_elf_relocate_section (output_bfd, info, input_bfd, input_section,
space. Thus, when they use an R_MIPS_64 they mean what is
usually meant by R_MIPS_32, with the exception that the
stored value is sign-extended to 64 bits. */
- howto = MIPS_ELF_RTYPE_TO_HOWTO (input_bfd, R_MIPS_32,
- NEWABI_P (input_bfd));
+ howto = MIPS_ELF_RTYPE_TO_HOWTO (input_bfd, R_MIPS_32, false);
/* On big-endian systems, we need to lie about the position
of the reloc. */
@@ -5049,6 +5048,7 @@ _bfd_mips_elf_relocate_section (output_bfd, info, input_bfd, input_section,
addend = mips_elf_obtain_contents (howto, rel, input_bfd,
contents);
addend &= howto->src_mask;
+ addend <<= howto->rightshift;
/* For some kinds of relocations, the ADDEND is a
combination of the addend stored in two different
@@ -5081,11 +5081,11 @@ _bfd_mips_elf_relocate_section (output_bfd, info, input_bfd, input_section,
return false;
/* Obtain the addend kept there. */
- lo16_howto = MIPS_ELF_RTYPE_TO_HOWTO (input_bfd, lo,
- rela_relocation_p);
+ lo16_howto = MIPS_ELF_RTYPE_TO_HOWTO (input_bfd, lo, false);
l = mips_elf_obtain_contents (lo16_howto, lo16_relocation,
input_bfd, contents);
l &= lo16_howto->src_mask;
+ l <<= lo16_howto->rightshift;
l = mips_elf_sign_extend (l, 16);
addend <<= 16;
@@ -5144,13 +5144,6 @@ _bfd_mips_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|| r_type == R_MIPS_LITERAL)
addend -= (_bfd_get_gp_value (output_bfd)
- _bfd_get_gp_value (input_bfd));
- else if (r_type == R_MIPS_26 || r_type == R_MIPS16_26
- || r_type == R_MIPS_GNU_REL16_S2)
- /* The addend is stored without its two least
- significant bits (which are always zero.) In a
- non-relocateable link, calculate_relocation will do
- this shift; here, we must do it ourselves. */
- addend <<= 2;
r_symndx = ELF_R_SYM (output_bfd, rel->r_info);
sym = local_syms + r_symndx;
@@ -5158,23 +5151,20 @@ _bfd_mips_elf_relocate_section (output_bfd, info, input_bfd, input_section,
/* Adjust the addend appropriately. */
addend += local_sections[r_symndx]->output_offset;
- /* If the relocation is for a R_MIPS_HI16 or R_MIPS_GOT16,
- then we only want to write out the high-order 16 bits.
- The subsequent R_MIPS_LO16 will handle the low-order bits. */
- if (r_type == R_MIPS_HI16 || r_type == R_MIPS_GOT16
- || r_type == R_MIPS_GNU_REL_HI16)
- addend = mips_elf_high (addend);
- else if (r_type == R_MIPS_HIGHER)
- addend = mips_elf_higher (addend);
- else if (r_type == R_MIPS_HIGHEST)
- addend = mips_elf_highest (addend);
-
- /* If the relocation is for an R_MIPS_26 relocation, then
- the two low-order bits are not stored in the object file;
- they are implicitly zero. */
- else if (r_type == R_MIPS_26 || r_type == R_MIPS16_26
- || r_type == R_MIPS_GNU_REL16_S2)
- addend >>= 2;
+ if (howto->partial_inplace)
+ {
+ /* If the relocation is for a R_MIPS_HI16 or R_MIPS_GOT16,
+ then we only want to write out the high-order 16 bits.
+ The subsequent R_MIPS_LO16 will handle the low-order bits.
+ */
+ if (r_type == R_MIPS_HI16 || r_type == R_MIPS_GOT16
+ || r_type == R_MIPS_GNU_REL_HI16)
+ addend = mips_elf_high (addend);
+ else if (r_type == R_MIPS_HIGHER)
+ addend = mips_elf_higher (addend);
+ else if (r_type == R_MIPS_HIGHEST)
+ addend = mips_elf_highest (addend);
+ }
if (rela_relocation_p)
/* If this is a RELA relocation, just update the addend.
@@ -5187,9 +5177,10 @@ _bfd_mips_elf_relocate_section (output_bfd, info, input_bfd, input_section,
destination mask because the place to which we are
writing will be source of the addend in the final
link. */
+ addend >>= howto->rightshift;
addend &= howto->src_mask;
- if (r_type == R_MIPS_64 && !ABI_64_P (output_bfd))
+ if (r_type == R_MIPS_64 && ! NEWABI_P (output_bfd))
/* See the comment above about using R_MIPS_64 in the 32-bit
ABI. Here, we need to update the addend. It would be
possible to get away with just using the R_MIPS_32 reloc
@@ -5250,6 +5241,8 @@ _bfd_mips_elf_relocate_section (output_bfd, info, input_bfd, input_section,
else
use_saved_addend_p = false;
+ addend >>= howto->rightshift;
+
/* Figure out what value we are supposed to relocate. */
switch (mips_elf_calculate_relocation (output_bfd, input_bfd,
input_section, info, rel,