From 252b5132c753830d5fd56823373aed85f2a0db63 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 3 May 1999 07:29:11 +0000 Subject: 19990502 sourceware import --- opcodes/dis-buf.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 opcodes/dis-buf.c (limited to 'opcodes/dis-buf.c') diff --git a/opcodes/dis-buf.c b/opcodes/dis-buf.c new file mode 100644 index 00000000000..d76be2ec872 --- /dev/null +++ b/opcodes/dis-buf.c @@ -0,0 +1,104 @@ +/* Disassemble from a buffer, for GNU. + Copyright (C) 1993, 1994, 1998 Free Software Foundation, Inc. + +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. */ + +#include "sysdep.h" +#include "dis-asm.h" +#include +#include "opintl.h" + +/* Get LENGTH bytes from info's buffer, at target address memaddr. + Transfer them to myaddr. */ +int +buffer_read_memory (memaddr, myaddr, length, info) + bfd_vma memaddr; + bfd_byte *myaddr; + int length; + struct disassemble_info *info; +{ + if (memaddr < info->buffer_vma + || memaddr + length > info->buffer_vma + info->buffer_length) + /* Out of bounds. Use EIO because GDB uses it. */ + return EIO; + memcpy (myaddr, info->buffer + (memaddr - info->buffer_vma), length); + return 0; +} + +/* Print an error message. We can assume that this is in response to + an error return from buffer_read_memory. */ +void +perror_memory (status, memaddr, info) + int status; + bfd_vma memaddr; + struct disassemble_info *info; +{ + if (status != EIO) + /* Can't happen. */ + info->fprintf_func (info->stream, _("Unknown error %d\n"), status); + else + /* Actually, address between memaddr and memaddr + len was + out of bounds. */ + info->fprintf_func (info->stream, + _("Address 0x%x is out of bounds.\n"), memaddr); +} + +/* This could be in a separate file, to save miniscule amounts of space + in statically linked executables. */ + +/* Just print the address is hex. This is included for completeness even + though both GDB and objdump provide their own (to print symbolic + addresses). */ + +void +generic_print_address (addr, info) + bfd_vma addr; + struct disassemble_info *info; +{ + (*info->fprintf_func) (info->stream, "0x%x", addr); +} + +/* Just concatenate the address as hex. This is included for + completeness even though both GDB and objdump provide their own (to + print symbolic addresses). */ + +void +generic_strcat_address (addr, buf, len) + bfd_vma addr; + char *buf; + int len; +{ + if (buf != (char *)NULL && len > 0) + { + char tmpBuf[30]; + + sprintf_vma (tmpBuf, addr); + if ((strlen (buf) + strlen (tmpBuf)) <= len) + strcat (buf, tmpBuf); + else + strncat (buf, tmpBuf, (len - strlen(buf))); + } + return; +} + +/* Just return the given address. */ + +int +generic_symbol_at_address (addr, info) + bfd_vma addr; + struct disassemble_info * info; +{ + return 1; +} -- cgit v1.2.1