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authorXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
committerXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
commit268a53de823a6750d6256ee1fb1e7707b4b45740 (patch)
tree42c1799a9a82b2f7d9790ee9fe181d72a7274751 /support/sdbinutils/bfd/coff-apollo.c
downloadsdcc-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.c120
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diff --git a/support/sdbinutils/bfd/coff-apollo.c b/support/sdbinutils/bfd/coff-apollo.c
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+/* 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