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* dwarf.c (byte_get_little_endian): Handle size of 3.

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(byte_get_big_endian): Likewise.
	* readelf.c (byte_put_little_endian): Likewise.
	(byte_put_big_endian): Likewise.
	(is_24bit_abs_reloc): New function.
	(is_none_reloc): Formatting.
	(apply_relocations): Use is_24bit_abs_reloc.  Handle pj and xtensa
	reloc peculiarity.
This commit is contained in:
Alan Modra 2009-09-08 10:34:27 +00:00
parent 8a7e4aa012
commit 4dc3c23df4
3 changed files with 61 additions and 7 deletions
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11
binutils/ChangeLog
View File

@ -1,3 +1,14 @@
2009-09-08 Alan Modra <amodra@bigpond.net.au>
* dwarf.c (byte_get_little_endian): Handle size of 3.
(byte_get_big_endian): Likewise.
* readelf.c (byte_put_little_endian): Likewise.
(byte_put_big_endian): Likewise.
(is_24bit_abs_reloc): New function.
(is_none_reloc): Formatting.
(apply_relocations): Use is_24bit_abs_reloc. Handle pj and xtensa
reloc peculiarity.
2009-09-07 Jan Kratochvil <jan.kratochvil@redhat.com>
* readelf.c (is_none_reloc <EM_XTENSA_OLD>, is_none_reloc <EM_XTENSA>):

10
binutils/dwarf.c
View File

@ -72,6 +72,11 @@ byte_get_little_endian (unsigned char *field, int size)
return ((unsigned int) (field[0]))
| (((unsigned int) (field[1])) << 8);
case 3:
return ((unsigned long) (field[0]))
| (((unsigned long) (field[1])) << 8)
| (((unsigned long) (field[2])) << 16);
case 4:
return ((unsigned long) (field[0]))
| (((unsigned long) (field[1])) << 8)
@ -114,6 +119,11 @@ byte_get_big_endian (unsigned char *field, int size)
case 2:
return ((unsigned int) (field[1])) | (((int) (field[0])) << 8);
case 3:
return ((unsigned long) (field[2]))
| (((unsigned long) (field[1])) << 8)
| (((unsigned long) (field[0])) << 16);
case 4:
return ((unsigned long) (field[3]))
| (((unsigned long) (field[2])) << 8)

43
binutils/readelf.c
View File

@ -342,6 +342,8 @@ byte_put_little_endian (unsigned char * field, bfd_vma value, int size)
/* Fall through. */
case 4:
field[3] = (value >> 24) & 0xff;
/* Fall through. */
case 3:
field[2] = (value >> 16) & 0xff;
/* Fall through. */
case 2:
@ -505,8 +507,11 @@ byte_put_big_endian (unsigned char * field, bfd_vma value, int size)
/* Fall through. */
case 4:
field[3] = value & 0xff;
field[2] = (value >> 8) & 0xff;
value >>= 16;
value >>= 8;
/* Fall through. */
case 3:
field[2] = value & 0xff;
value >>= 8;
/* Fall through. */
case 2:
field[1] = value & 0xff;
@ -8099,6 +8104,22 @@ is_64bit_pcrel_reloc (unsigned int reloc_type)
}
}
/* Like is_32bit_abs_reloc except that it returns TRUE iff RELOC_TYPE is
a 24-bit absolute RELA relocation used in DWARF debug sections. */
static bfd_boolean
is_24bit_abs_reloc (unsigned int reloc_type)
{
switch (elf_header.e_machine)
{
case EM_CYGNUS_MN10200:
case EM_MN10200:
return reloc_type == 4; /* R_MN10200_24. */
default:
return FALSE;
}
}
/* Like is_32bit_abs_reloc except that it returns TRUE iff RELOC_TYPE is
a 16-bit absolute RELA relocation used in DWARF debug sections. */
@ -8165,10 +8186,10 @@ is_none_reloc (unsigned int reloc_type)
return reloc_type == 0;
case EM_XTENSA_OLD:
case EM_XTENSA:
return reloc_type == 0 /* R_XTENSA_NONE. */
return (reloc_type == 0 /* R_XTENSA_NONE. */
|| reloc_type == 17 /* R_XTENSA_DIFF8. */
|| reloc_type == 18 /* R_XTENSA_DIFF16. */
|| reloc_type == 19; /* R_XTENSA_DIFF32. */
|| reloc_type == 19 /* R_XTENSA_DIFF32. */);
}
return FALSE;
}
@ -8250,6 +8271,8 @@ apply_relocations (void * file,
else if (is_64bit_abs_reloc (reloc_type)
|| is_64bit_pcrel_reloc (reloc_type))
reloc_size = 8;
else if (is_24bit_abs_reloc (reloc_type))
reloc_size = 3;
else if (is_16bit_abs_reloc (reloc_type))
reloc_size = 2;
else
@ -8293,7 +8316,17 @@ apply_relocations (void * file,
continue;
}
addend = is_rela ? rp->r_addend : byte_get (loc, reloc_size);
addend = 0;
if (is_rela)
addend += rp->r_addend;
/* R_XTENSA_32 and R_PJ_DATA_DIR32 are partial_inplace. */
if (!is_rela
|| (elf_header.e_machine == EM_XTENSA
&& reloc_type == 1)
|| ((elf_header.e_machine == EM_PJ
|| elf_header.e_machine == EM_PJ_OLD)
&& reloc_type == 1))
addend += byte_get (loc, reloc_size);
if (is_32bit_pcrel_reloc (reloc_type)
|| is_64bit_pcrel_reloc (reloc_type))