Add IBM 370 support.

1 files changed, 104 insertions, 0 deletions

diff --git a/gas/config/tc-i370.h b/gas/config/tc-i370.h
new file mode 100644
index 0000000..8f32fa8
--- /dev/null
+++ b/gas/config/tc-i370.h
@@ -0,0 +1,104 @@
+/* tc-i370.h -- Header file for tc-i370.c.
+   Copyright (C) 1994, 95, 96, 97, 98, 2000 Free Software Foundation, Inc.
+   Written by Ian Lance Taylor, Cygnus Support.
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS 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 2, or (at your option)
+   any later version.
+
+   GAS 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 GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA. */
+
+#define TC_I370
+
+#ifdef ANSI_PROTOTYPES
+struct fix;
+#endif
+
+/* Set the endianness we are using.  Default to big endian.  */
+#ifndef TARGET_BYTES_BIG_ENDIAN
+#define TARGET_BYTES_BIG_ENDIAN 1
+#endif
+
+#ifndef BFD_ASSEMBLER
+ #error I370 support requires BFD_ASSEMBLER
+#endif
+
+/* The target BFD architecture.  */
+#define TARGET_ARCH (i370_arch ())
+extern enum bfd_architecture i370_arch PARAMS ((void));
+
+/* Whether or not the target is big endian */
+extern int target_big_endian;
+
+/* The target BFD format.  */
+#ifdef OBJ_ELF
+#define TARGET_FORMAT ("elf32-i370")
+#endif
+
+/* Permit temporary numeric labels.  */
+#define LOCAL_LABELS_FB 1
+
+/* $ is used to refer to the current location.  */
+/* #define DOLLAR_DOT */
+
+#ifdef OBJ_ELF
+#define DIFF_EXPR_OK		/* foo-. gets turned into PC relative relocs */
+#endif
+
+/* We don't need to handle .word strangely.  */
+#define WORKING_DOT_WORD
+
+/* We set the fx_done field appropriately in md_apply_fix.  */
+#define TC_HANDLES_FX_DONE
+
+
+#ifdef OBJ_ELF
+
+/* Branch prediction relocations must force relocation.  */
+#define TC_FORCE_RELOCATION_SECTION(FIXP,SEC) 1
+
+/* Support for SHF_EXCLUDE and SHT_ORDERED */
+extern int i370_section_letter PARAMS ((int, char **));
+extern int i370_section_type PARAMS ((char *, size_t));
+extern int i370_section_word PARAMS ((char *, size_t));
+extern int i370_section_flags PARAMS ((int, int, int));
+
+#define md_elf_section_letter(LETTER, PTR_MSG)	i370_section_letter (LETTER, PTR_MSG)
+#define md_elf_section_type(STR, LEN)		i370_section_type (STR, LEN)
+#define md_elf_section_word(STR, LEN)		i370_section_word (STR, LEN)
+#define md_elf_section_flags(FLAGS, ATTR, TYPE)	i370_section_flags (FLAGS, ATTR, TYPE)
+
+#define tc_comment_chars i370_comment_chars
+extern const char *i370_comment_chars;
+
+/* We must never ever try to resolve references to externally visible
+   symbols in the assembler, because the .o file might go into a shared
+   library, and some other shared library might override that symbol.  */
+#define TC_RELOC_RTSYM_LOC_FIXUP(FIX)  \
+  ((FIX)->fx_addsy == NULL \
+   || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
+       && ! S_IS_WEAK ((FIX)->fx_addsy) \
+       && S_IS_DEFINED ((FIX)->fx_addsy) \
+       && ! S_IS_COMMON ((FIX)->fx_addsy)))
+
+#endif /* OBJ_ELF */
+
+/* call md_apply_fix3 with segment instead of md_apply_fix */
+#define MD_APPLY_FIX3
+
+/* call md_pcrel_from_section, not md_pcrel_from */
+#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC)
+extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
+
+#define md_operand(x)