From Tue, 16 Feb 2010 22:28:47 +0300 Andrew Zabolotny <z...@homelink.ru> wrote:
> Attached is a patch Ooops, it seems I moved the patch to a different directory before I've sent the message... Here goes take two. -- Andrew
diff -ur binutils-2.18.orig/bfd/elf32-avr.c binutils-2.18/bfd/elf32-avr.c
--- binutils-2.18.orig/bfd/elf32-avr.c 2007-08-06 23:59:24.000000000 +0400
+++ binutils-2.18/bfd/elf32-avr.c 2010-02-16 21:54:40.000000000 +0300
@@ -501,7 +501,21 @@
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE) /* pcrel_offset */
+ FALSE), /* pcrel_offset */
+ /* 8 bit offset */
+ HOWTO (R_AVR_8, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 8, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_AVR_8", /* name */
+ FALSE, /* partial_inplace */
+ 0x000000ff, /* src_mask */
+ 0x000000ff, /* dst_mask */
+ FALSE), /* pcrel_offset */
};
/* Map BFD reloc types to AVR ELF reloc types. */
@@ -539,7 +553,8 @@
{ BFD_RELOC_AVR_CALL, R_AVR_CALL },
{ BFD_RELOC_AVR_LDI, R_AVR_LDI },
{ BFD_RELOC_AVR_6, R_AVR_6 },
- { BFD_RELOC_AVR_6_ADIW, R_AVR_6_ADIW }
+ { BFD_RELOC_AVR_6_ADIW, R_AVR_6_ADIW },
+ { BFD_RELOC_8, R_AVR_8 }
};
/* Meant to be filled one day with the wrap around address for the
diff -ur binutils-2.18.orig/gas/config/tc-avr.c binutils-2.18/gas/config/tc-avr.c
--- binutils-2.18.orig/gas/config/tc-avr.c 2010-02-16 21:19:16.000000000 +0300
+++ binutils-2.18/gas/config/tc-avr.c 2010-02-16 21:17:43.000000000 +0300
@@ -1131,6 +1131,13 @@
bfd_putl16 ((bfd_vma) value, where);
break;
+ case BFD_RELOC_8:
+ if (value > 255 || value < -128)
+ as_warn_where (fixP->fx_file, fixP->fx_line,
+ _("operand out of range: %ld"), value);
+ *where = value;
+ break;
+
case BFD_RELOC_AVR_16_PM:
bfd_putl16 ((bfd_vma) (value >> 1), where);
break;
@@ -1418,7 +1425,9 @@
{
if (exp_mod_pm == 0)
{
- if (nbytes == 2)
+ if (nbytes == 1)
+ fix_new_exp (frag, where, nbytes, exp, FALSE, BFD_RELOC_8);
+ else if (nbytes == 2)
fix_new_exp (frag, where, nbytes, exp, FALSE, BFD_RELOC_16);
else if (nbytes == 4)
fix_new_exp (frag, where, nbytes, exp, FALSE, BFD_RELOC_32);
diff -ur binutils-2.18.orig/include/elf/avr.h binutils-2.18/include/elf/avr.h
--- binutils-2.18.orig/include/elf/avr.h 2006-05-24 11:36:11.000000000 +0400
+++ binutils-2.18/include/elf/avr.h 2010-02-16 21:28:28.000000000 +0300
@@ -65,6 +65,7 @@
RELOC_NUMBER (R_AVR_MS8_LDI_NEG, 23)
RELOC_NUMBER (R_AVR_LO8_LDI_GS, 24)
RELOC_NUMBER (R_AVR_HI8_LDI_GS, 25)
+ RELOC_NUMBER (R_AVR_8, 26)
END_RELOC_NUMBERS (R_AVR_max)
#endif /* _ELF_AVR_H */
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