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* elf32-mips.c (mips_elf_obtain_contents): Swap 16-bit halves of

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things relocated by R_MIPS16_GPREL.
	(mips_elf_perform_relocation): Likewise.
This commit is contained in:
Mark Mitchell 1999-07-14 19:00:32 +00:00
parent 35ca97eacf
commit 6296902ea5
2 changed files with 18 additions and 14 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
1999-07-14 Mark Mitchell <mark@codesourcery.com>
* elf32-mips.c (mips_elf_obtain_contents): Swap 16-bit halves of
things relocated by R_MIPS16_GPREL.
(mips_elf_perform_relocation): Likewise.
Wed Jul 14 15:23:19 1999 Jim Wilson <wilson@cygnus.com>
* elfxx-target.h (elfNN_bed): Add elf_backend_want_dynbss.

26
bfd/elf32-mips.c
View File

@ -6101,7 +6101,8 @@ mips_elf_obtain_contents (howto, relocation, input_bfd, contents)
/* Obtain the bytes. */
x = bfd_get (8 * bfd_get_reloc_size (howto), input_bfd, location);
if (ELF32_R_TYPE (relocation->r_info) == R_MIPS16_26
if ((ELF32_R_TYPE (relocation->r_info) == R_MIPS16_26
|| ELF32_R_TYPE (relocation->r_info) == R_MIPS16_GPREL)
&& bfd_little_endian (input_bfd))
/* The two 16-bit words will be reversed on a little-endian
system. See mips_elf_perform_relocation for more details. */
@ -6208,18 +6209,6 @@ mips_elf_perform_relocation (info, howto, relocation, value,
| ((value & 0x3e00000) >> 5)
| (value & 0xffff));
/* Perform the relocation. */
x |= (value & howto->dst_mask);
/* Swap the high- and low-order 16 bits on little-endian
systems. */
if (bfd_little_endian (input_bfd))
x = (((x & 0xffff) << 16)
| ((x & 0xffff0000) >> 16));
/* Store the value. */
bfd_put_32 (input_bfd, x, location);
return;
}
else if (ELF32_R_TYPE (relocation->r_info) == R_MIPS16_GPREL)
{
@ -6239,7 +6228,9 @@ mips_elf_perform_relocation (info, howto, relocation, value,
addend is retrieved and stored as shown in this diagram; that
is, the Imm fields above replace the V-rel16 field.
All we need to do here is shuffle the bits appropriately. */
All we need to do here is shuffle the bits appropriately. As
above, the two 16-bit halves must be swapped on a
little-endian system. */
value = (((value & 0x7e0) << 16)
| ((value & 0xf800) << 5)
| (value & 0x1f));
@ -6248,6 +6239,13 @@ mips_elf_perform_relocation (info, howto, relocation, value,
/* Set the field. */
x |= (value & howto->dst_mask);
/* Swap the high- and low-order 16 bits on little-endian systems
when doing a MIPS16 relocation. */
if ((ELF32_R_TYPE (relocation->r_info) == R_MIPS16_GPREL
|| ELF32_R_TYPE (relocation->r_info) == R_MIPS16_26)
&& bfd_little_endian (input_bfd))
x = (((x & 0xffff) << 16) | ((x & 0xffff0000) >> 16));
/* Put the value into the output. */
bfd_put (8 * bfd_get_reloc_size (howto), input_bfd, x, location);
}