sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 114 insertions, 0 deletions

diff --git a/support/sdbinutils/bfd/netbsd.h b/support/sdbinutils/bfd/netbsd.h
new file mode 100644
index 0000000..900c330
--- /dev/null
+++ b/support/sdbinutils/bfd/netbsd.h
@@ -0,0 +1,114 @@
+/* BFD back-end definitions used by all NetBSD targets.
+   Copyright (C) 1990-2018 Free Software Foundation, Inc.
+
+   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.  */
+
+
+/* Check for our machine type (part of magic number).  */
+#ifndef MACHTYPE_OK
+#define MACHTYPE_OK(m) ((m) == DEFAULT_MID || (m) == M_UNKNOWN)
+#endif
+
+/* This is the normal load address for executables.  */
+#define TEXT_START_ADDR		TARGET_PAGE_SIZE
+
+/* NetBSD ZMAGIC has its header in the text segment.  */
+#define N_HEADER_IN_TEXT(x)	1
+
+/* Determine if this is a shared library using the flags.  */
+#define N_SHARED_LIB(x)		(N_DYNAMIC (x))
+
+/* We have 6 bits of flags and 10 bits of machine ID.  */
+#define N_MACHTYPE(execp) \
+	((enum machine_type) (((execp)->a_info >> 16) & 0x03ff))
+#define N_FLAGS(execp) \
+	(((execp)->a_info >> 26) & 0x3f)
+
+#define N_SET_INFO(execp, magic, type, flags) \
+	((execp)->a_info = ((magic) & 0xffff) \
+	 | (((int) (type) & 0x3ff) << 16) \
+	 | (((flags) & 0x3f) << 24))
+#define N_SET_MACHTYPE(execp, machtype) \
+	((execp)->a_info = \
+	 ((execp)->a_info & 0xfb00ffff) | ((((int) (machtype)) & 0x3ff) << 16))
+#define N_SET_FLAGS(execp, flags) \
+	((execp)->a_info = \
+	 ((execp)->a_info & 0x03ffffff) | ((flags & 0x03f) << 26))
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "libaout.h"
+
+/* On NetBSD, the magic number is always in ntohl's "network" (big-endian)
+   format.  */
+#define SWAP_MAGIC(ext) bfd_getb32 (ext)
+
+/* On NetBSD, the entry point may be taken to be the start of the text
+   section.  */
+#define MY_entry_is_text_address 1
+
+#define MY_write_object_contents MY (write_object_contents)
+static bfd_boolean MY (write_object_contents) (bfd *);
+
+#define MY_text_includes_header 1
+
+#include "aout-target.h"
+
+/* Write an object file.
+   Section contents have already been written.  We write the
+   file header, symbols, and relocation.  */
+
+static bfd_boolean
+MY (write_object_contents) (bfd *abfd)
+{
+  struct external_exec exec_bytes;
+  struct internal_exec *execp = exec_hdr (abfd);
+
+  /* We must make certain that the magic number has been set.  This
+     will normally have been done by set_section_contents, but only if
+     there actually are some section contents.  */
+  if (! abfd->output_has_begun)
+    NAME (aout, adjust_sizes_and_vmas) (abfd);
+
+  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
+
+  /* Magic number, maestro, please!  */
+  switch (bfd_get_arch(abfd))
+    {
+    case DEFAULT_ARCH:
+      N_SET_MACHTYPE (execp, DEFAULT_MID);
+      break;
+    default:
+      N_SET_MACHTYPE (execp, M_UNKNOWN);
+      break;
+    }
+
+  /* The NetBSD magic number is always big-endian.  */
+#ifndef TARGET_IS_BIG_ENDIAN_P
+  /* XXX aren't there any macro to change byteorder of a word independent of
+     the host's or target's endiannesses?  */
+  execp->a_info
+    = (execp->a_info & 0xff) << 24 | (execp->a_info & 0xff00) << 8
+      | (execp->a_info & 0xff0000) >> 8 | (execp->a_info & 0xff000000) >> 24;
+#endif
+
+  WRITE_HEADERS (abfd, execp);
+
+  return TRUE;
+}