def do_memprotect(self, line):
"""
Change the memory permissions of a given page/map.
Usage: memprotect [options] <addr_expr> <perms>
-S <size> Specify the size of the region to change (default == whole memory map)
<perms> = "rwx" string "rw", "rx" "rwx" etc...
"""
if len(line) == 0:
return self.do_help("memprotect")
size = None
argv = splitargs(line)
try:
opts, args = getopt(argv, "S:")
except Exception as e:
return self.do_help("memprotect")
for opt, optarg in opts:
if opt == "-S":
size = self.parseExpression(optarg)
if len(args) != 2:
return self.do_help("memprotect")
addr = self.parseExpression(args[0])
perm = e_mem.parsePerms(args[1])
if size is None:
map = self.memobj.getMemoryMap(addr)
if map is None:
raise Exception("Unknown memory map for 0x%.8x" % addr)
size = map[1]
self.memobj.protectMemory(addr, size, perm)
class EnviMutableCli(EnviCli):
"""
Cli extensions which require a mutable memory object
(emulator/trace) rather than a static one (viv workspace)
"""
def do_memcpy(self, line):
'''
Copy memory from one location to another...
Usage: memcpy <dest_expr> <src_expr> <size_expr>
'''
argv = splitargs(line)
if len(argv) != 3:
return self.do_help('memcpy')
dst = self.parseExpression(argv[0])
src = self.parseExpression(argv[1])
siz = self.parseExpression(argv[2])
mem = self.memobj.readMemory(src, siz)
self.memobj.writeMemory(dst, mem)
def do_memprotect(self, line):
"""
Change the memory permissions of a given page/map.
Usage: memprotect [options] <addr_expr> <perms>
-S <size> Specify the size of the region to change (default == whole memory map)
<perms> = "rwx" string "rw", "rx" "rwx" etc...
"""
if len(line) == 0:
return self.do_help("memprotect")
size = None
argv = splitargs(line)
try:
opts, args = getopt(argv, "S:")
except Exception, e:
return self.do_help("memprotect")
for opt,optarg in opts:
if opt == "-S":
size = self.parseExpression(optarg)
if len(args) != 2:
return self.do_help("memprotect")
addr = self.parseExpression(args[0])
perm = e_mem.parsePerms(args[1])
if size == None:
map = self.memobj.getMemoryMap(addr)
if map == None:
raise Exception("Unknown memory map for 0x%.8x" % addr)
size = map[1]
self.memobj.protectMemory(addr, size, perm)
def do_memprotect(self, line):
"""
Change the memory permissions of a given page/map.
Usage: memprotect [options] <addr_expr> <perms>
-S <size> Specify the size of the region to change (default == whole memory map)
<perms> = "rwx" string "rw", "rx" "rwx" etc...
"""
if len(line) == 0:
return self.do_help("memprotect")
size = None
argv = splitargs(line)
try:
opts, args = getopt(argv, "S:")
except Exception as e:
return self.do_help("memprotect")
for opt, optarg in opts:
if opt == "-S":
size = self.parseExpression(optarg)
if len(args) != 2:
return self.do_help("memprotect")
addr = self.parseExpression(args[0])
perm = e_mem.parsePerms(args[1])
if size is None:
map = self.memobj.getMemoryMap(addr)
if map is None:
raise Exception("Unknown memory map for 0x%.8x" % addr)
size = map[1]
self.memobj.protectMemory(addr, size, perm)