diff options
Diffstat (limited to 'bfd/coff-z8k.c')
| -rw-r--r-- | bfd/coff-z8k.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/bfd/coff-z8k.c b/bfd/coff-z8k.c index cfbdbdd..2e5da48 100644 --- a/bfd/coff-z8k.c +++ b/bfd/coff-z8k.c @@ -49,10 +49,23 @@ HOWTO (R_IMM8, 0, 1, 8, false, 0, complain_overflow_bitfield, 0, "r_imm8", true, 0x000000ff, 0x000000ff, false); +static reloc_howto_type r_rel16 = +HOWTO (R_REL16, 0, 1, 16, false, 0, + complain_overflow_bitfield, 0, "r_rel16", true, 0x0000ffff, 0x0000ffff, + true); + static reloc_howto_type r_jr = HOWTO (R_JR, 0, 1, 8, true, 0, complain_overflow_signed, 0, "r_jr", true, 0, 0, true); +static reloc_howto_type r_disp7 = +HOWTO (R_DISP7, 0, 1, 7, true, 0, complain_overflow_bitfield, 0, + "r_disp7", true, 0, 0, true); + +static reloc_howto_type r_callr = +HOWTO (R_CALLR, 0, 1, 12, true, 0, complain_overflow_signed, 0, + "r_callr", true, 0xfff, 0xfff, true); + /* Turn a howto into a reloc number */ static int @@ -97,6 +110,15 @@ rtype2howto (internal, dst) case R_JR: internal->howto = &r_jr; break; + case R_DISP7: + internal->howto = &r_disp7; + break; + case R_CALLR: + internal->howto = &r_callr; + break; + case R_REL16: + internal->howto = &r_rel16; + break; case R_IMM32: internal->howto = &r_imm32; break; @@ -215,6 +237,87 @@ extra_case (in_abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr) (*src_ptr)++; break; } + + case R_DISP7: + { + bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, + input_section); + bfd_vma dot = (link_order->offset + + *dst_ptr + + input_section->output_section->vma); + int gap = dst - dot - 1;/* -1 since were in the odd byte of the + word and the pc's been incremented */ + + if (gap & 1) + abort (); + gap /= 2; + + if (gap > 0 || gap < -128) + { + if (! ((*link_info->callbacks->reloc_overflow) + (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr), + reloc->howto->name, reloc->addend, input_section->owner, + input_section, reloc->address))) + abort (); + } + bfd_put_8 (in_abfd, + (bfd_get_8 ( in_abfd, data + *dst_ptr) & 0x80) + (-gap & 0x7f), + data + *dst_ptr); + (*dst_ptr)++; + (*src_ptr)++; + break; + } + + case R_CALLR: + { + bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, + input_section); + bfd_vma dot = (link_order->offset + + *dst_ptr + + input_section->output_section->vma); + int gap = dst - dot - 2; + + if (gap & 1) + abort (); + gap /= 2; + if (gap > 8191 || gap < -8192) + { + if (! ((*link_info->callbacks->reloc_overflow) + (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr), + reloc->howto->name, reloc->addend, input_section->owner, + input_section, reloc->address))) + abort (); + } + bfd_put_16 (in_abfd, + (bfd_get_16 ( in_abfd, data + *dst_ptr) & 0xf000) | (-gap & 0x0fff), + data + *dst_ptr); + (*dst_ptr) += 2; + (*src_ptr) += 2; + break; + } + + case R_REL16: + { + bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, + input_section); + bfd_vma dot = (link_order->offset + + *dst_ptr + + input_section->output_section->vma); + int gap = dst - dot - 2; + + if (gap > 32767 || gap < -32768) + { + if (! ((*link_info->callbacks->reloc_overflow) + (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr), + reloc->howto->name, reloc->addend, input_section->owner, + input_section, reloc->address))) + abort (); + } + bfd_put_16 (in_abfd,gap,data + *dst_ptr); + (*dst_ptr) += 2; + (*src_ptr) += 2; + break; + } default: abort (); } |