Magic-Mirror/radare2
1
0
Fork 0
mirror of https://github.com/radareorg/radare2.git synced 2025-01-22 05:37:06 +00:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

Fix #2992 - Add dmpf and dmpt to dump/restore snapshots from/to disk

Browse Source
This commit is contained in:
pancake 2015-08-19 14:06:59 +02:00
parent b56207ebb7
commit a6cb6ab07d
3 changed files with 65 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
libr/core/cmd_debug.c
View File

@ -525,10 +525,63 @@ static int cmd_debug_map_snapshot(RCore *core, const char *input) {
"dmsd", " id", "hexdiff given snapshot. See `ccc`.",
"dmsw", "", "snapshot of the writable maps",
"dmsa", "", "full snapshot of all `dm` maps",
"dmsf", " [file] @ addr", "read snapshot from disk",
"dmst", " [file] @ addr", "dump snapshot to disk",
// TODO: dmsj - for json
NULL
};
switch (*input) {
case 'f':
{
char *file;
RDebugSnap *snap;
if (input[1] == ' ') {
file = strdup (input+2);
} else {
file = r_str_newf ("0x%08"PFMT64x".dump", core->offset);
}
snap = r_debug_snap_get (core->dbg, core->offset);
if (!snap) {
r_debug_snap (core->dbg, core->offset);
snap = r_debug_snap_get (core->dbg, core->offset);
}
if (snap) {
int fsz = 0;
char *data = r_file_slurp (file, &fsz);
if (data) {
if (fsz >= snap->size) {
memcpy (snap->data, data, snap->size);
} else {
eprintf ("This file is smaller than the snapshot size\n");
}
free (data);
} else eprintf ("Cannot slurp '%s'\n", file);
} else {
eprintf ("Unable to find a snapshot for 0x%08"PFMT64x"\n", core->offset);
}
free (file);
}
break;
case 't':
{
char *file;
RDebugSnap *snap;
if (input[1] == ' ') {
file = strdup (input+2);
} else {
file = r_str_newf ("0x%08"PFMT64x".dump", core->offset);
}
snap = r_debug_snap_get (core->dbg, core->offset);
if (snap) {
if (!r_file_dump (file, snap->data, snap->size, 0)) {
eprintf ("Cannot slurp '%s'\n", file);
}
} else {
eprintf ("Unable to find a snapshot for 0x%08"PFMT64x"\n", core->offset);
}
free (file);
}
break;
case '?':
r_core_cmd_help (core, help_msg);
break;

11
libr/debug/snap.c
View File

@ -67,6 +67,17 @@ R_API void r_debug_snap_list(RDebug *dbg, int idx, int mode) {
dbg->cb_printf ("]\n");
}
R_API RDebugSnap* r_debug_snap_get (RDebug *dbg, ut64 addr) {
RListIter *iter;
RDebugSnap *snap;
r_list_foreach (dbg->snaps, iter, snap) {
if (snap->addr >= addr && snap->addr_end < addr) {
return snap;
}
}
return NULL;
}
static int r_debug_snap_map (RDebug *dbg, RDebugMap *map) {
RDebugSnap *snap;
if (map->size<1) {

1
libr/include/r_debug.h
View File

@ -423,6 +423,7 @@ R_API int r_debug_snap_diff(RDebug *dbg, int idx);
R_API int r_debug_snap(RDebug *dbg, ut64 addr);
R_API int r_debug_snap_comment (RDebug *dbg, int idx, const char *msg);
R_API int r_debug_snap_all(RDebug *dbg, int perms);
R_API RDebugSnap* r_debug_snap_get (RDebug *dbg, ut64 addr);
/* plugin pointers */
extern RDebugPlugin r_debug_plugin_native;