mdb_rawfile.c revision 1a7c1b724419d3cb5fa6eea75123c6b2060ba31b
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Raw File Target
*
* The raw file target is invoked whenever a file of unrecognizable type is
* specified on the command line, or when raw file examination is forced using
* the -f option. If one file is specified, that file will be opened as the
* "object" file. If two files are specified, the second one will be opened
* as the "core" file. Each file is opened using the fdio backend, which
* internally supports both byte-oriented i/o and block-oriented i/o as needed.
*/
#include <mdb/mdb_modapi.h>
#include <mdb/mdb_target_impl.h>
#include <mdb/mdb_io_impl.h>
#include <mdb/mdb_conf.h>
#include <fcntl.h>
typedef struct rf_data {
} rf_data_t;
static void
{
}
static int
{
const char *argv[2];
int argc = 0;
(flags & MDB_TGT_F_RDWR);
return (-1);
}
}
return (0);
}
static void
rf_destroy(mdb_tgt_t *t)
{
rf_data_destroy(t->t_data);
}
/*ARGSUSED*/
static const char *
{
return ("raw");
}
static ssize_t
{
return (set_errno(EMDB_NOMAP));
return (-1); /* errno is set for us */
return (rbytes);
}
static ssize_t
{
return (set_errno(EMDB_NOMAP));
return (-1); /* errno is set for us */
}
static ssize_t
{
case (uintptr_t)MDB_TGT_AS_VIRT:
case (uintptr_t)MDB_TGT_AS_PHYS:
/*FALLTHRU*/
case (uintptr_t)MDB_TGT_AS_FILE:
default:
return (set_errno(EMDB_NOMAP));
}
}
static ssize_t
{
case (uintptr_t)MDB_TGT_AS_VIRT:
case (uintptr_t)MDB_TGT_AS_PHYS:
/*FALLTHRU*/
case (uintptr_t)MDB_TGT_AS_FILE:
default:
return (set_errno(EMDB_NOMAP));
}
}
static ssize_t
{
}
static ssize_t
{
}
static ssize_t
{
}
static ssize_t
{
}
static ssize_t
{
}
static ssize_t
{
}
static int
{
if (tflags & MDB_TGT_F_RDWR)
}
static int
{
return (0);
return (0);
return (0);
}
/*ARGSUSED*/
static int
{
else
return (0);
}
/*ARGSUSED*/
static int
{
mdb_printf("debugging file '%s' (object file)",
mdb_printf(" and file '%s' (core file)",
}
mdb_printf("\n");
} else {
mdb_printf("debugging empty target\n");
}
return (DCMD_OK);
}
static const mdb_dcmd_t rf_dcmds[] = {
{ NULL }
};
static const struct rf_magic {
const char *rfm_str;
const char *rfm_mod;
} rf_magic[] = {
};
static void
rf_activate(mdb_tgt_t *t)
{
const struct rf_magic *m;
mdb_var_t *v;
/*
* We set the legacy adb variable 'd' to be the size of the file (data
* segment). To get this value, we call seek() on the underlying fdio.
*/
mdb_nv_set_value(v, size);
}
/*
* Load any debugging support modules that match the file type, as
* to use this feature, rf_magic[] should be computed dynamically.
*/
(void) mdb_module_load(m->rfm_mod,
}
}
}
static void
{
const mdb_dcmd_t *dcp;
}
}
static const mdb_tgt_ops_t rawfile_ops = {
rf_setflags, /* t_setflags */
(int (*)()) mdb_tgt_notsup, /* t_setcontext */
rf_activate, /* t_activate */
rf_deactivate, /* t_deactivate */
(void (*)()) mdb_tgt_nop, /* t_periodic */
rf_destroy, /* t_destroy */
rf_name, /* t_name */
(const char *(*)()) mdb_conf_isa, /* t_isa */
(const char *(*)()) mdb_conf_platform, /* t_platform */
(int (*)()) mdb_tgt_notsup, /* t_uname */
(int (*)()) mdb_tgt_notsup, /* t_dmodel */
rf_aread, /* t_aread */
rf_awrite, /* t_awrite */
rf_vread, /* t_vread */
rf_vwrite, /* t_vwrite */
rf_pread, /* t_pread */
rf_pwrite, /* t_pwrite */
rf_fread, /* t_fread */
rf_fwrite, /* t_fwrite */
(int (*)()) mdb_tgt_notsup, /* t_vtop */
(int (*)()) mdb_tgt_notsup, /* t_lookup_by_name */
(int (*)()) mdb_tgt_notsup, /* t_lookup_by_addr */
(int (*)()) mdb_tgt_notsup, /* t_symbol_iter */
rf_mapping_iter, /* t_mapping_iter */
rf_mapping_iter, /* t_object_iter */
rf_status, /* t_status */
(int (*)()) mdb_tgt_notsup, /* t_run */
(int (*)()) mdb_tgt_notsup, /* t_step */
(int (*)()) mdb_tgt_notsup, /* t_step_out */
(int (*)()) mdb_tgt_notsup, /* t_step_branch */
(int (*)()) mdb_tgt_notsup, /* t_next */
(int (*)()) mdb_tgt_notsup, /* t_cont */
(int (*)()) mdb_tgt_notsup, /* t_signal */
(int (*)()) mdb_tgt_null, /* t_add_vbrkpt */
(int (*)()) mdb_tgt_null, /* t_add_sbrkpt */
(int (*)()) mdb_tgt_null, /* t_add_pwapt */
(int (*)()) mdb_tgt_null, /* t_add_vwapt */
(int (*)()) mdb_tgt_null, /* t_add_iowapt */
(int (*)()) mdb_tgt_null, /* t_add_sysenter */
(int (*)()) mdb_tgt_null, /* t_add_sysexit */
(int (*)()) mdb_tgt_null, /* t_add_signal */
(int (*)()) mdb_tgt_null, /* t_add_fault */
(int (*)()) mdb_tgt_notsup, /* t_getareg */
(int (*)()) mdb_tgt_notsup, /* t_putareg */
(int (*)()) mdb_tgt_notsup, /* t_stack_iter */
};
int
{
int oflags, i;
if (argc > 2)
t->t_ops = &rawfile_ops;
if (t->t_flags & MDB_TGT_F_RDWR)
else
for (i = 0; i < argc; i++) {
goto err;
}
}
return (0);
err:
for (i = 0; i < argc; i++) {
mdb_io_destroy(io[i]);
}
}