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* elf32-h8300.c (special): New function.
(h8_elf_howto_table): Use it for SPECIAL_FUNCTION field in
all relocations.
(elf32_h8_final_link_relocate): Treat R_H8_DIR24A8 like 32bit
relocations. Fix problems with the true 24bit reloc R_H8_DIR24R8.
Fix minor problems with 8bit and 16bit PC relative relocations.
This commit is contained in:
Jeff Law
parent
8227b51f45
commit
a00c9dbc18
@ -1,3 +1,12 @@
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2001-09-04 Jeff Law <law@redhat.com>
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* elf32-h8300.c (special): New function.
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(h8_elf_howto_table): Use it for SPECIAL_FUNCTION field in
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all relocations.
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(elf32_h8_final_link_relocate): Treat R_H8_DIR24A8 like 32bit
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relocations. Fix problems with the true 24bit reloc R_H8_DIR24R8.
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Fix minor problems with 8bit and 16bit PC relative relocations.
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2001-09-01 Andreas Jaeger <aj@suse.de>
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* vms-tir.c: Add missing prototypes.
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@ -39,6 +39,8 @@ static boolean elf32_h8_relocate_section
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PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *,
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bfd_byte *, Elf_Internal_Rela *,
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Elf_Internal_Sym *, asection **));
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static bfd_reloc_status_type special
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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/* This does not include any relocation information, but should be
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good enough for GDB or objdump to read the file. */
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@ -53,7 +55,7 @@ static reloc_howto_type h8_elf_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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NULL, /* special_function */
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special, /* special_function */
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"R_H8_NONE", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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@ -67,7 +69,7 @@ static reloc_howto_type h8_elf_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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NULL, /* special_function */
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special, /* special_function */
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"R_H8_DIR32", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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@ -81,7 +83,7 @@ static reloc_howto_type h8_elf_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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NULL, /* special_function */
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special, /* special_function */
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"R_H8_DIR16", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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@ -95,7 +97,7 @@ static reloc_howto_type h8_elf_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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NULL, /* special_function */
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special, /* special_function */
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"R_H8_DIR16", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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@ -109,7 +111,7 @@ static reloc_howto_type h8_elf_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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NULL, /* special_function */
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special, /* special_function */
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"R_H8_DIR16A8", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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@ -123,7 +125,7 @@ static reloc_howto_type h8_elf_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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NULL, /* special_function */
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special, /* special_function */
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"R_H8_DIR16R8", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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@ -137,7 +139,7 @@ static reloc_howto_type h8_elf_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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NULL, /* special_function */
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special, /* special_function */
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"R_H8_DIR24A8", /* name */
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true, /* partial_inplace */
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0xff000000, /* src_mask */
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@ -151,7 +153,7 @@ static reloc_howto_type h8_elf_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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NULL, /* special_function */
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special, /* special_function */
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"R_H8_DIR24R8", /* name */
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true, /* partial_inplace */
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0xff000000, /* src_mask */
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@ -165,7 +167,7 @@ static reloc_howto_type h8_elf_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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NULL, /* special_function */
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special, /* special_function */
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"R_H8_DIR32", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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@ -179,7 +181,7 @@ static reloc_howto_type h8_elf_howto_table[] =
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true, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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NULL, /* special_function */
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special, /* special_function */
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"R_H8_PCREL16", /* name */
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false, /* partial_inplace */
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0xffff, /* src_mask */
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@ -193,7 +195,7 @@ static reloc_howto_type h8_elf_howto_table[] =
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true, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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NULL, /* special_function */
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special, /* special_function */
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"R_H8_PCREL8", /* name */
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false, /* partial_inplace */
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0xff, /* src_mask */
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@ -274,6 +276,28 @@ elf32_h8_info_to_howto_rel (abfd, bfd_reloc, elf_reloc)
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bfd_reloc->howto = &h8_elf_howto_table[r];
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}
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/* Special handling for H8/300 relocs.
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We only come here for pcrel stuff and return normally if not an -r link.
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When doing -r, we can't do any arithmetic for the pcrel stuff, because
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we support relaxing on the H8/300 series chips. */
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static bfd_reloc_status_type
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special (abfd, reloc_entry, symbol, data, input_section, output_bfd,
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error_message)
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bfd *abfd ATTRIBUTE_UNUSED;
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arelent *reloc_entry ATTRIBUTE_UNUSED;
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asymbol *symbol ATTRIBUTE_UNUSED;
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PTR data ATTRIBUTE_UNUSED;
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asection *input_section ATTRIBUTE_UNUSED;
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bfd *output_bfd;
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char **error_message ATTRIBUTE_UNUSED;
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{
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if (output_bfd == (bfd *) NULL)
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return bfd_reloc_continue;
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/* Adjust the reloc address to that in the output section. */
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reloc_entry->address += input_section->output_offset;
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return bfd_reloc_ok;
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}
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/* Perform a relocation as part of a final link. */
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static bfd_reloc_status_type
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@ -302,6 +326,7 @@ elf32_h8_final_link_relocate (r_type, input_bfd, output_bfd,
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case R_H8_DIR32:
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case R_H8_DIR32A16:
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case R_H8_DIR24A8:
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value += addend;
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bfd_put_32 (input_bfd, value, hit_data);
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return bfd_reloc_ok;
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@ -320,12 +345,21 @@ elf32_h8_final_link_relocate (r_type, input_bfd, output_bfd,
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bfd_put_8 (input_bfd, value, hit_data);
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return bfd_reloc_ok;
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case R_H8_DIR24A8:
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case R_H8_DIR24R8:
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value += addend;
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/* HIT_DATA is the address for the first byte for the relocated
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value. Subtract 1 so that we can manipulate the data in 32bit
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hunks. */
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hit_data--;
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/* Clear out the top byte in value. */
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value &= 0xffffff;
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/* Retrieve the type byte for value from the section contents. */
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value |= (bfd_get_32 (input_bfd, hit_data) & 0xff000000);
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/* Now scribble it out in one 32bit hunk. */
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bfd_put_32 (input_bfd, value, hit_data);
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return bfd_reloc_ok;
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@ -335,6 +369,11 @@ elf32_h8_final_link_relocate (r_type, input_bfd, output_bfd,
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value -= offset;
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value += addend;
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/* The value is relative to the start of the instruction,
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not the relocation offset. Subtract 2 to account for
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this minor issue. */
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value -= 2;
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bfd_put_16 (input_bfd, value, hit_data);
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return bfd_reloc_ok;
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@ -344,6 +383,11 @@ elf32_h8_final_link_relocate (r_type, input_bfd, output_bfd,
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value -= offset;
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value += addend;
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/* The value is relative to the start of the instruction,
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not the relocation offset. Subtract 1 to account for
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this minor issue. */
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value -= 1;
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bfd_put_8 (input_bfd, value, hit_data);
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return bfd_reloc_ok;
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