diff options
| author | Mark Mitchell <mark@codesourcery.com> | 1999-07-14 19:00:32 +0000 |
|---|---|---|
| committer | Mark Mitchell <mark@codesourcery.com> | 1999-07-14 19:00:32 +0000 |
| commit | 6296902ea53edeef902ed898fd9223fce1299257 (patch) | |
| tree | 7407a5dcee57d62cef38eb94f010d63068fe2ede /bfd | |
| parent | 35ca97eacf6fe7a2660974c6018a4e1452e8ff32 (diff) | |
| download | gdb-6296902ea53edeef902ed898fd9223fce1299257.zip gdb-6296902ea53edeef902ed898fd9223fce1299257.tar.gz gdb-6296902ea53edeef902ed898fd9223fce1299257.tar.bz2 | |
* elf32-mips.c (mips_elf_obtain_contents): Swap 16-bit halves of
things relocated by R_MIPS16_GPREL.
(mips_elf_perform_relocation): Likewise.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elf32-mips.c | 26 |
2 files changed, 18 insertions, 14 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 5bb66bc..a99e7dd4 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -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. diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c index 0e3d189..8f45fe1 100644 --- a/bfd/elf32-mips.c +++ b/bfd/elf32-mips.c @@ -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); } |