def load_ami_lib(self,
lib_name,
cwd_lock=None,
run_sp=None,
progdir_lock=None):
"""try to load native lib from ami path
return (lib_base_addr, seglist_baddr) or (0,0)"""
search_paths = self.get_lib_search_paths(lib_name)
# now try search paths
prog_dir = "PROGDIR:"
for ami_path in search_paths:
# handle PROGDIR
if ami_path.startswith(prog_dir):
path = ami_path[len(prog_dir):]
lock = progdir_lock
else:
path = ami_path
lock = cwd_lock
seglist_baddr = self.segloader.load_ami_seglist(path, lock)
log_libmgr.debug(
"load_ami_lib: path=%s, lock=%s -> seglist=%08x",
path,
lock,
seglist_baddr,
)
if seglist_baddr > 0:
return self._load_common(lib_name, seglist_baddr, run_sp)
return 0, 0
def open_lib(self,
lib_name,
cwd_lock=None,
run_sp=None,
progdir_lock=None):
log_libmgr.info(
"[native] +open_lib: lib_name='%s', cwd=%s, progdir=%s",
lib_name,
cwd_lock,
progdir_lock,
)
# multict lib base name
base_name = self.loader.get_lib_base_name(lib_name)
# find library
lib_info = self._find_info(base_name)
log_libmgr.info("find: '%s' -> %s", base_name, lib_info)
# not found... try to load it
if not lib_info:
log_libmgr.info("loading native lib: '%s'", lib_name)
load_addr, seglist_baddr = self.loader.load_ami_lib(
lib_name, cwd_lock, run_sp, progdir_lock)
# even loading failed... abort
if load_addr == 0:
log_libmgr.info("[native] -open_lib: load failed!")
return 0
log_libmgr.info("loaded: @%06x seglist: @%06x", load_addr,
seglist_baddr)
info = self.segloader.get_info(seglist_baddr)
log_libmgr.info("loaded: %s", info)
# store original load addr and name in info
lib_info = self._add_info(base_name, load_addr, seglist_baddr)
loaded = True
else:
load_addr = lib_info.get_load_addr()
loaded = False
# got lib: open lib... may return new base!
log_libmgr.debug("[native] call open lib: load_addr=%06x", load_addr)
lib_base = self.funcs.open_library(load_addr, run_sp)
# save base addr
if lib_base > 0:
lib_info.add_base_addr(lib_base)
elif loaded:
# remove lib info again
self.lib_infos.remove(lib_info)
log_libmgr.info(
"[native] -open_lib: load_addr=@%06x, lib_base=@%06x, %s",
load_addr,
lib_base,
lib_info,
)
# return base
return lib_base
def open_base_libs(self):
log_libmgr.info("opening base libs...")
# open exec lib
self.exec_addr = self.lib_mgr.open_lib('exec.library', 0)
self.exec_vlib = self.lib_mgr.get_vlib_by_addr(self.exec_addr)
self.exec_impl = self.exec_vlib.get_impl()
log_libmgr.info("open base lib: exec: @%06x", self.exec_addr)
# link exec to dos
self.dos_ctx.set_exec_lib(self.exec_impl)
# open dos lib
self.dos_addr = self.lib_mgr.open_lib('dos.library', 0)
self.dos_vlib = self.lib_mgr.get_vlib_by_addr(self.dos_addr)
self.dos_impl = self.dos_vlib.get_impl()
self.dos_ctx.set_dos_lib(self.dos_impl)
log_libmgr.info("open base lib: dos: @%06x", self.dos_addr)
# set exec base @4
log_libmgr.debug("setting execbase @4")
self.machine.set_zero_mem(0, self.exec_addr)
def open_lib(self, lib_name, cwd_lock=None, run_sp=None, progdir_lock=None):
log_libmgr.info("[native] +open_lib: lib_name='%s', cwd=%s, progdir=%s",
lib_name, cwd_lock, progdir_lock)
# multict lib base name
base_name = self.loader.get_lib_base_name(lib_name)
# find library
lib_info = self._find_info(base_name)
log_libmgr.info("find: '%s' -> %s", base_name, lib_info)
# not found... try to load it
if not lib_info:
log_libmgr.info("loading native lib: '%s'", lib_name)
load_addr, seglist_baddr = self.loader.load_ami_lib(
lib_name, cwd_lock, run_sp, progdir_lock)
# even loading failed... abort
if load_addr == 0:
log_libmgr.info("[native] -open_lib: load failed!")
return 0
log_libmgr.info("loaded: @%06x seglist: @%06x",
load_addr, seglist_baddr)
info = self.segloader.get_info(seglist_baddr)
log_libmgr.info("loaded: %s", info)
# store original load addr and name in info
lib_info = self._add_info(base_name, load_addr, seglist_baddr)
loaded = True
else:
load_addr = lib_info.get_load_addr()
loaded = False
# got lib: open lib... may return new base!
log_libmgr.debug("[native] call open lib: load_addr=%06x", load_addr)
lib_base = self.funcs.open_library(load_addr, run_sp)
# save base addr
if lib_base > 0:
lib_info.add_base_addr(lib_base)
elif loaded:
# remove lib info again
self.lib_infos.remove(lib_info)
log_libmgr.info("[native] -open_lib: load_addr=@%06x, lib_base=@%06x, %s",
load_addr, lib_base, lib_info)
# return base
return lib_base
