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author | Steve Chamberlain <steve@cygnus> | 1991-04-24 20:51:27 +0000 |
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committer | Steve Chamberlain <steve@cygnus> | 1991-04-24 20:51:27 +0000 |
commit | 4cddd1c9048abf7852e9faa4e46a9ce96d7f9436 (patch) | |
tree | ecfd460dcc357d90d1e917805f77494104b76dd7 /bfd/coff-m88k.c | |
parent | a36f604047f7006445325a8e3d962c7f2c115a09 (diff) | |
download | gdb-4cddd1c9048abf7852e9faa4e46a9ce96d7f9436.zip gdb-4cddd1c9048abf7852e9faa4e46a9ce96d7f9436.tar.gz gdb-4cddd1c9048abf7852e9faa4e46a9ce96d7f9436.tar.bz2 |
Changed the shape of the howto type yet again.
Now m88kbcs support can self host.
Diffstat (limited to 'bfd/coff-m88k.c')
-rw-r--r-- | bfd/coff-m88k.c | 54 |
1 files changed, 46 insertions, 8 deletions
diff --git a/bfd/coff-m88k.c b/bfd/coff-m88k.c index 7dda5e5..67db5dc 100644 --- a/bfd/coff-m88k.c +++ b/bfd/coff-m88k.c @@ -28,17 +28,55 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "m88k-bcs.h" #include "libcoff.h" +/* Provided the symbol, returns the value reffed */ +#define HOWTO_PREPARE(relocation, symbol) \ + { \ + if (symbol != (asymbol *)NULL) { \ + if (symbol->flags & BSF_FORT_COMM) { \ + relocation = 0; \ + } \ + else { \ + relocation = symbol->value; \ + } \ + } \ + if (symbol->section != (asection *)NULL) { \ + relocation += symbol->section->output_section->vma + \ + symbol->section->output_offset; \ + } \ +} + + + +static bfd_reloc_status_enum_type +DEFUN(howto_hvrt16,(abfd, reloc_entry, symbol_in, data, input_section), +bfd *abfd AND +arelent *reloc_entry AND +asymbol *symbol_in AND +unsigned char *data AND +asection *ignore_input_section) +{ + long relocation; + bfd_vma addr = reloc_entry->address; + long x = bfd_getshort(abfd, (bfd_byte *)data + addr); + + HOWTO_PREPARE(relocation, symbol_in); + + x = (x + relocation + reloc_entry->addend) >> 16; + + bfd_putshort(abfd, x, (bfd_byte *)data + addr); + return bfd_reloc_ok; +} + static reloc_howto_type howto_table[] = { -/* type rtshift size bitsize pc_rel bitpos abs ovff sf name partial inplace mask*/ - R_PCR16L, 2, 1, 16, true, 0, false, true, 0,"PCR16L", false, 0x0000ffff,0x0000ffff, - R_PCR26L, 2, 2, 26, true, 0, false, true, 0,"PCR26L", false, 0x03ffffff,0x03ffffff, - R_VRT16, 0, 1, 16, false, 0, false, true, 0,"VRT16", false, 0x0000ffff,0x0000ffff, - R_HVRT16,16, 1, 16, false, 0, false, true, 0,"HVRT16", false, 0x0000ffff,0x0000ffff, - R_LVRT16, 0, 1, 16, false, 0, false, true, 0,"LVRT16", false, 0x0000ffff,0x0000ffff, - R_VRT32, 0, 2, 32, false, 0, false, true, 0,"VRT32", false, 0xffffffff,0xffffffff, + HOWTO(R_PCR16L,02,1,16,true, 0,false,true,0,"PCR16L",false,0x0000ffff,0x0000ffff,true), + HOWTO(R_PCR26L,02,2,16,true, 0,false,true,0,"PCR26L",false,0x03ffffff,0x03ffffff,true), + HOWTO(R_VRT16, 00,1,16,false,0,false,true,0,"VRT16", false,0x0000ffff,0x0000ffff,true), + HOWTO(R_HVRT16,16,1,16,false,0,false,true,howto_hvrt16,"HVRT16",false,0x0000ffff,0x0000ffff,true), + HOWTO(R_LVRT16,00,1,16,false,0,false,true,0,"LVRT16",false,0x0000ffff,0x0000ffff,true), + HOWTO(R_VRT32, 00,2,32,false,0,false,true,0,"VRT32", false,0xffffffff,0xffffffff,true), }; @@ -67,7 +105,7 @@ bfd_target m88k_bcs_vec = '/', /* ar_pad_char */ 15, /* ar_max_namelen */ - _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */ + _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */ _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |