Initial creation of sourceware repository

gdb/gdbarch.h

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+/* Architecture commands for GDB, the GNU debugger.
+   Copyright 1998, Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef GDBARCH_H
+#define GDBARCH_H
+
+
+/* The target-system-dependant byte order is dynamic */
+
+/* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness
+   is selectable at runtime.  The user can use the `set endian'
+   command to change it.  TARGET_BYTE_ORDER_AUTO is nonzero when
+   target_byte_order should be auto-detected (from the program image
+   say). */
+
+#ifndef TARGET_BYTE_ORDER_SELECTABLE_P
+/* compat - Catch old targets that define TARGET_BYTE_ORDER_SLECTABLE
+   when they should have defined TARGET_BYTE_ORDER_SELECTABLE_P 1 */
+#ifdef TARGET_BYTE_ORDER_SELECTABLE
+#define TARGET_BYTE_ORDER_SELECTABLE_P 1
+#else
+#define TARGET_BYTE_ORDER_SELECTABLE_P 0
+#endif
+#endif
+
+extern int target_byte_order;
+#ifdef TARGET_BYTE_ORDER_SELECTABLE
+/* compat - Catch old targets that define TARGET_BYTE_ORDER_SELECTABLE
+   and expect defs.h to re-define TARGET_BYTE_ORDER. */
+#undef TARGET_BYTE_ORDER
+#endif
+#ifndef TARGET_BYTE_ORDER
+#define TARGET_BYTE_ORDER (target_byte_order + 0)
+#endif
+
+extern int target_byte_order_auto;
+#ifndef TARGET_BYTE_ORDER_AUTO
+#define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
+#endif
+
+
+
+/* The target-system-dependant BFD architecture is dynamic */
+
+extern int target_architecture_auto;
+#ifndef TARGET_ARCHITECTURE_AUTO
+#define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
+#endif
+
+extern const struct bfd_arch_info *target_architecture;
+#ifndef TARGET_ARCHITECTURE
+#define TARGET_ARCHITECTURE (target_architecture + 0)
+#endif
+
+/* Notify the target dependant backend of a change to the selected
+   architecture. A zero return status indicates that the target did
+   not like the change. */
+
+extern int (*target_architecture_hook) PARAMS ((const struct bfd_arch_info *)); 
+
+
+
+/* The target-system-dependant disassembler is semi-dynamic */
+
+#include "dis-asm.h"		/* Get defs for disassemble_info */
+
+extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr,
+					int len, disassemble_info *info));
+
+extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr,
+					  disassemble_info *info));
+
+extern void dis_asm_print_address PARAMS ((bfd_vma addr,
+					   disassemble_info *info));
+
+extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*));
+extern disassemble_info tm_print_insn_info;
+#ifndef TARGET_PRINT_INSN
+#define TARGET_PRINT_INSN(vma, info) (*tm_print_insn) (vma, info)
+#endif
+#ifndef TARGET_PRINT_INSN_INFO
+#define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
+#endif
+
+
+
+/* Set the dynamic target-system-dependant parameters (architecture,
+   byte-order, ...) using information found in the BFD */
+
+extern void set_gdbarch_from_file PARAMS ((bfd *));
+
+
+/* Explicitly set the dynamic target-system-dependant parameters based
+   on bfd_architecture and machine. */
+
+extern void set_architecture_from_arch_mach PARAMS ((enum bfd_architecture, unsigned long));
+
+
+/* gdbarch trace variable */
+extern int gdbarch_debug;
+
+#endif