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PR 11297: Add support for 8-bit relocations to the AVR toolchain.

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This commit is contained in:
Nick Clifton
2010-02-23 11:38:36 +00:00
parent 1c063135aa
commit 17e5723725
6 changed files with 57 additions and 15 deletions
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23
bfd/elf32-avr.c
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@@ -473,7 +473,7 @@ static reloc_howto_type elf_avr_howto_table[] =
0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* A low 8 bit absolute relocation of 24 bit program memory address.
For LDI command. Will be changed when linker stubs are needed. */
For LDI command. Will be changed when linker stubs are needed. */
HOWTO (R_AVR_LO8_LDI_GS, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
@@ -488,7 +488,7 @@ static reloc_howto_type elf_avr_howto_table[] =
0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* A low 8 bit absolute relocation of 24 bit program memory address.
For LDI command. Will be changed when linker stubs are needed. */
For LDI command. Will be changed when linker stubs are needed. */
HOWTO (R_AVR_HI8_LDI_GS, /* type */
9, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
@@ -501,7 +501,21 @@ static reloc_howto_type elf_avr_howto_table[] =
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 @@ static const struct avr_reloc_map avr_reloc_map[] =
{ 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