diff options
Diffstat (limited to 'bfd/coff-h8300.c')
| -rw-r--r-- | bfd/coff-h8300.c | 83 |
1 files changed, 60 insertions, 23 deletions
diff --git a/bfd/coff-h8300.c b/bfd/coff-h8300.c index 14ac3d3..1b821a8 100644 --- a/bfd/coff-h8300.c +++ b/bfd/coff-h8300.c @@ -27,25 +27,56 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "coff/internal.h" #include "libcoff.h" +#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1) + + +/* special handling for H8/300 relocs. + We only come here for pcrel stuff and return normally if not an -r link. + When doing -r, we can't do any arithmetic for the pcrel stuff, because + the code in reloc.c assumes that we can manipulate the targets of + the pcrel branches. This isn't so, since the H8/300 can do relaxing, + which means that the gap after the instruction may not be enough to + contain the offset required for the branch, so we have to use the only + the addend until the final link */ + +static bfd_reloc_status_type +special (abfd, reloc_entry, symbol, data, input_section, output_bfd, + error_message) + bfd *abfd; + arelent *reloc_entry; + asymbol *symbol; + PTR data; + asection *input_section; + bfd *output_bfd; + char **error_message; +{ + symvalue diff; + + if (output_bfd == (bfd *) NULL) + return bfd_reloc_continue; + + return bfd_reloc_ok; +} + static reloc_howto_type howto_table[] = { - HOWTO (R_RELBYTE, 0, 0, 8, false, 0, complain_overflow_bitfield, 0, "8", true, 0x000000ff, 0x000000ff, false), - HOWTO (R_RELWORD, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "16", true, 0x0000ffff, 0x0000ffff, false), - HOWTO (R_RELLONG, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "32", true, 0xffffffff, 0xffffffff, false), - HOWTO (R_PCRBYTE, 0, 0, 8, true, 0, complain_overflow_signed, 0, "DISP8", true, 0x000000ff, 0x000000ff, true), - HOWTO (R_PCRWORD, 0, 1, 16, true, 0, complain_overflow_signed, 0, "DISP16", true, 0x0000ffff, 0x0000ffff, true), - HOWTO (R_PCRLONG, 0, 2, 32, true, 0, complain_overflow_signed, 0, "DISP32", true, 0xffffffff, 0xffffffff, true), - HOWTO (R_MOVB1, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "16/8", true, 0x0000ffff, 0x0000ffff, false), - HOWTO (R_MOVB2, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "8/16", true, 0x0000ffff, 0x0000ffff, false), - HOWTO (R_JMP1, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "16/pcrel", true, 0x0000ffff, 0x0000ffff, false), - HOWTO (R_JMP2, 0, 0, 8, false, 0, complain_overflow_bitfield, 0, "pcrecl/16", true, 0x000000ff, 0x000000ff, false), + HOWTO (R_RELBYTE, 0, 0, 8, false, 0, complain_overflow_bitfield, special, "8", false, 0x000000ff, 0x000000ff, false), + HOWTO (R_RELWORD, 0, 1, 16, false, 0, complain_overflow_bitfield, special, "16", false, 0x0000ffff, 0x0000ffff, false), + HOWTO (R_RELLONG, 0, 2, 32, false, 0, complain_overflow_bitfield, special, "32", false, 0xffffffff, 0xffffffff, false), + HOWTO (R_PCRBYTE, 0, 0, 8, true, 0, complain_overflow_signed, special, "DISP8", false, 0x000000ff, 0x000000ff, true), + HOWTO (R_PCRWORD, 0, 1, 16, true, 0, complain_overflow_signed, special, "DISP16", false, 0x0000ffff, 0x0000ffff, true), + HOWTO (R_PCRLONG, 0, 2, 32, true, 0, complain_overflow_signed, special, "DISP32", false, 0xffffffff, 0xffffffff, true), + HOWTO (R_MOVB1, 0, 1, 16, false, 0, complain_overflow_bitfield, special, "16/8", false, 0x0000ffff, 0x0000ffff, false), + HOWTO (R_MOVB2, 0, 1, 16, false, 0, complain_overflow_bitfield, special, "8/16", false, 0x0000ffff, 0x0000ffff, false), + HOWTO (R_JMP1, 0, 1, 16, false, 0, complain_overflow_bitfield, special, "16/pcrel", false, 0x0000ffff, 0x0000ffff, false), + HOWTO (R_JMP2, 0, 0, 8, false, 0, complain_overflow_bitfield, special, "pcrecl/16", false, 0x000000ff, 0x000000ff, false), - HOWTO (R_JMPL1, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "24/pcrell", true, 0x00ffffff, 0x00ffffff, false), - HOWTO (R_JMPL_B8, 0, 0, 8, false, 0, complain_overflow_bitfield, 0, "pc8/24", true, 0x000000ff, 0x000000ff, false), + HOWTO (R_JMPL1, 0, 2, 32, false, 0, complain_overflow_bitfield, special, "24/pcrell", false, 0x00ffffff, 0x00ffffff, false), + HOWTO (R_JMPL_B8, 0, 0, 8, false, 0, complain_overflow_bitfield, special, "pc8/24", false, 0x000000ff, 0x000000ff, false), - HOWTO (R_MOVLB1, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "24/8", true, 0x0000ffff, 0x0000ffff, false), - HOWTO (R_MOVLB2, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "8/24", true, 0x0000ffff, 0x0000ffff, false), + HOWTO (R_MOVLB1, 0, 1, 16, false, 0, complain_overflow_bitfield,special, "24/8", false, 0x0000ffff, 0x0000ffff, false), + HOWTO (R_MOVLB2, 0, 1, 16, false, 0, complain_overflow_bitfield, special, "8/24", false, 0x0000ffff, 0x0000ffff, false), }; @@ -164,7 +195,7 @@ reloc_processing (relent, reloc, symbols, abfd, section) } else { - relent->sym_ptr_ptr = &(bfd_abs_symbol); + relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; } @@ -329,7 +360,7 @@ h8300_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr, input_section, reloc->address))) abort (); } - + gap &= ~1; bfd_put_8 (abfd, gap, data + dst_address); dst_address++; src_address++; @@ -363,7 +394,19 @@ h8300_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr, { unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info, input_section); - if (gap > 0xff && gap < ~0xff) + if (gap < 0xff + || (gap >= 0x0000ff00 + && gap <= 0x0000ffff) + || ( gap >= 0x00ffff00 + && gap <= 0x00ffffff) + || ( gap >= 0xffffff00 + && gap <= 0xffffffff)) + { + bfd_put_8 (abfd, gap, data + dst_address); + dst_address += 1; + src_address += 1; + } + else { if (! ((*link_info->callbacks->reloc_overflow) (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr), @@ -371,12 +414,6 @@ h8300_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr, input_section, reloc->address))) abort (); } - - bfd_put_8 (abfd, gap, data + dst_address); - dst_address += 1; - src_address += 1; - - } break; case R_JMP1: |