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| author | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
|---|---|---|
| committer | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
| commit | 268a53de823a6750d6256ee1fb1e7707b4b45740 (patch) | |
| tree | 42c1799a9a82b2f7d9790ee9fe181d72a7274751 /support/sdbinutils/bfd/coff-apollo.c | |
| download | sdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz | |
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'support/sdbinutils/bfd/coff-apollo.c')
| -rw-r--r-- | support/sdbinutils/bfd/coff-apollo.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/support/sdbinutils/bfd/coff-apollo.c b/support/sdbinutils/bfd/coff-apollo.c new file mode 100644 index 0000000..36b88b3 --- /dev/null +++ b/support/sdbinutils/bfd/coff-apollo.c @@ -0,0 +1,120 @@ +/* BFD back-end for Apollo 68000 COFF binaries. + Copyright (C) 1990-2018 Free Software Foundation, Inc. + By Troy Rollo (troy@cbme.unsw.edu.au) + Based on m68k standard COFF version Written by Cygnus Support. + + This file is part of BFD, the Binary File Descriptor library. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#include "sysdep.h" +#include "bfd.h" +#include "libbfd.h" +#include "coff/apollo.h" +#include "coff/internal.h" +#include "libcoff.h" + +#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) + +#ifdef ONLY_DECLARE_RELOCS +extern reloc_howto_type apollocoff_howto_table[]; +#else +reloc_howto_type apollocoff_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, FALSE), + HOWTO (R_PCRWORD, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "DISP16", TRUE, 0x0000ffff,0x0000ffff, FALSE), + HOWTO (R_PCRLONG, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "DISP32", TRUE, 0xffffffff,0xffffffff, FALSE), + HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, 0, complain_overflow_bitfield, 0, "-32", TRUE, 0xffffffff,0xffffffff, FALSE), + }; +#endif /* not ONLY_DECLARE_RELOCS */ + +#ifndef BADMAG +#define BADMAG(x) M68KBADMAG(x) +#endif +#define APOLLO_M68 1 /* Customize coffcode.h */ + +/* Turn a howto into a reloc number. */ + +extern void apollo_rtype2howto (arelent *, int); +extern int apollo_howto2rtype (reloc_howto_type *); +#ifndef ONLY_DECLARE_RELOCS + +void +apollo_rtype2howto (arelent *internal, int relocentry) +{ + switch (relocentry) + { + case R_RELBYTE: internal->howto = apollocoff_howto_table + 0; break; + case R_RELWORD: internal->howto = apollocoff_howto_table + 1; break; + case R_RELLONG: internal->howto = apollocoff_howto_table + 2; break; + case R_PCRBYTE: internal->howto = apollocoff_howto_table + 3; break; + case R_PCRWORD: internal->howto = apollocoff_howto_table + 4; break; + case R_PCRLONG: internal->howto = apollocoff_howto_table + 5; break; + case R_RELLONG_NEG: internal->howto = apollocoff_howto_table + 6; break; + } +} + +int +apollo_howto2rtype (reloc_howto_type *internal) +{ + if (internal->pc_relative) + { + switch (internal->bitsize) + { + case 32: return R_PCRLONG; + case 16: return R_PCRWORD; + case 8: return R_PCRBYTE; + } + } + else + { + switch (internal->bitsize) + { + case 32: return R_RELLONG; + case 16: return R_RELWORD; + case 8: return R_RELBYTE; + } + } + return R_RELLONG; +} +#endif /* not ONLY_DECLARE_RELOCS */ + +#define RTYPE2HOWTO(internal, relocentry) \ + apollo_rtype2howto (internal, (relocentry)->r_type) + +#define SELECT_RELOC(external, internal) \ + external.r_type = apollo_howto2rtype (internal); + +#define bfd_pe_print_pdata NULL + +#include "coffcode.h" + +#ifndef TARGET_SYM +#define TARGET_SYM m68k_coff_apollo_vec +#endif + +#ifndef TARGET_NAME +#define TARGET_NAME "apollo-m68k" +#endif + +#ifdef NAMES_HAVE_UNDERSCORE +CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, '_', NULL, COFF_SWAP_TABLE) +#else +CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, 0, NULL, COFF_SWAP_TABLE) +#endif |
