class LibManager(object):
"""the library manager handles both native and vamos libs"""
MODE_OFF = 'off'
MODE_AUTO = 'auto'
MODE_VAMOS = 'vamos'
MODE_AMIGA = 'amiga'
MODE_FAKE = 'fake'
def __init__(self, machine, alloc, segloader, cfg=None, profiler_cfg=None):
self.mem = machine.get_mem()
self.cfg = cfg
self.vlib_mgr = VLibManager(machine, alloc, profiler_cfg=profiler_cfg)
self.alib_mgr = ALibManager(machine, alloc, segloader)
def add_ctx(self, name, ctx):
"""allow to add vlib contexts"""
ctx.lib_mgr = self
self.vlib_mgr.add_ctx(name, ctx)
def get_vlib_by_addr(self, addr):
"""return associated vlib for a base lib address"""
return self.vlib_mgr.get_vlib_by_addr(addr)
def get_vlib_by_name(self, name):
"""return associated vlib for a name"""
return self.vlib_mgr.get_vlib_by_name(name)
def bootstrap_exec(self, exec_info=None):
"""setup exec vlib as first and essential lib"""
lib_cfg = None
if self.cfg:
lib_cfg = self.cfg.get_lib_config("exec.library")
return self.vlib_mgr.bootstrap_exec(exec_info)
def shutdown(self, run_sp=None):
"""cleanup libs
try to expunge all libs and report still open ones
"""
log_libmgr.info("+shutdown")
aleft = self.alib_mgr.shutdown(run_sp)
if aleft > 0:
log_libmgr.warn("shutdown: can't expunge %d amiga libs/devs!",
aleft)
vleft = self.vlib_mgr.shutdown()
if vleft > 0:
log_libmgr.warn("shutdown: can't expunge %d vamos libs/devs!",
vleft)
left = vleft + aleft
log_libmgr.info("-shutdwon: aleft=%d, vleft=%d", aleft, vleft)
return left
def expunge_libs(self, run_sp=None):
"""expunge all unused libs
return number of libs _not_ expunged
"""
log_libmgr.info("+expunge_libs")
aleft = self.alib_mgr.expunge_libs(run_sp)
vleft = self.vlib_mgr.expunge_libs()
log_libmgr.info("-expunge_libs: aleft=%d, vleft=%d", aleft, vleft)
return vleft + aleft
def expunge_devs(self, run_sp=None):
"""expunge all unused devs
return number of libs _not_ expunged
"""
log_libmgr.info("+expunge_devs")
aleft = 0 # TBD
vleft = self.vlib_mgr.expunge_devs()
log_libmgr.info("-expunge_devs: aleft=%d, vleft=%d", aleft, vleft)
return vleft
def expunge_lib(self, addr, run_sp=None):
"""expunge a library given by base address
return True if lib was expunged
"""
log_libmgr.info("expunge_lib: @%06x", addr)
vlib = self.vlib_mgr.get_vlib_by_addr(addr)
if vlib:
return self.vlib_mgr.expunge_lib(vlib)
elif self.alib_mgr.is_load_addr(addr):
seglist = self.alib_mgr.expunge_lib(addr, run_sp)
return seglist != 0
else:
log_libmgr.error("expunge: unknown lib @%06x!", addr)
def close_lib(self, addr, run_sp=None):
"""close a library
return True if lib was expunged, too
"""
log_libmgr.info("close_lib: @%06x", addr)
vlib = self.vlib_mgr.get_vlib_by_addr(addr)
if vlib:
return self.vlib_mgr.close_lib(vlib)
elif self.alib_mgr.is_base_addr(addr):
seglist = self.alib_mgr.close_lib(addr, run_sp)
return seglist != 0
else:
log_libmgr.error("close: unknown lib @%06x!", addr)
def open_lib(self,
full_name,
open_ver=0,
lock=None,
run_sp=None,
mode=None,
version=None):
"""open a library
return lib_base addr or 0
"""
# get base name
base_name = LibLoader.get_lib_base_name(full_name)
log_libmgr.info("open_lib: '%s' ver=%d -> base_name='%s'", full_name,
open_ver, base_name)
# get lib params
mode, version = self._get_lib_params(full_name, base_name, mode,
version)
log_libmgr.info("params: mode=%s, version=%d", mode, version)
# handle mode
if mode == self.MODE_OFF:
return 0
try_vlib, try_alib, fake = self._map_mode(mode)
# try vamos first
addr = 0
vlib = None
if try_vlib:
vlib = self.vlib_mgr.open_lib_name(base_name,
version=version,
fake=fake)
if vlib:
addr = vlib.get_addr()
log_libmgr.info("got vlib: @%06x", addr)
# try amiga lib
if try_alib and addr == 0:
addr = self.alib_mgr.open_lib(full_name, lock, run_sp)
if addr > 0:
log_libmgr.info("got alib: @%06x", addr)
# got a lib? check version
if addr > 0:
save_addr = addr
if open_ver > 0:
addr = self._check_version(full_name, addr, open_ver)
# lib is too old: close again
if addr == 0:
if vlib:
self.vlib_mgr.close_lib(vlib)
else:
self.alib_mgr.close_lib(save_addr, run_sp=run_sp)
# result lib base
return addr
def _map_mode(self, mode):
if mode == self.MODE_AUTO:
try_vlib = True
try_alib = True
fake = False
elif mode == self.MODE_VAMOS:
try_vlib = True
try_alib = False
fake = False
elif mode == self.MODE_AMIGA:
try_vlib = False
try_alib = True
fake = False
elif mode == self.MODE_FAKE:
try_vlib = True
try_alib = False
fake = True
else:
raise ValueError("invalid lib mode: '%s'" % mode)
return try_vlib, try_alib, fake
def _check_version(self, name, addr, open_ver):
# check version
lib = Library(self.mem, addr)
lib_ver = lib.version
if lib_ver < open_ver:
log_libmgr.warn("lib '%s' has too low version: %d < %d", name,
lib_ver, open_ver)
return 0
else:
log_libmgr.info("lib '%s' version %d ok for open version %d", name,
lib_ver, open_ver)
return addr
def _get_lib_params(self, full_name, base_name, force_mode, force_version):
# get lib config
if self.cfg:
lib_cfg = self.cfg.get_lib_config(full_name, base_name)
self._dump_lib_cfg(full_name, lib_cfg)
mode = lib_cfg.mode
version = lib_cfg.version
else:
lib_cfg = None
mode = "auto"
version = 0 # take lib version
if force_mode:
mode = force_mode
if force_version:
version = force_version
return mode, version
def _dump_lib_cfg(self, lib_name, lib_cfg):
items = ["for_lib='%s'" % lib_name, "use_cfg='%s'" % lib_cfg.name]
for key in lib_cfg._keys:
items.append("%s=%s" % (key, getattr(lib_cfg, key)))
log_libmgr.info(" ".join(items))
class LibManager(object):
"""the library manager handles both native and vamos libs"""
def __init__(self, machine, alloc, segloader, cfg, main_profiler=None):
self.mem = machine.get_mem()
self.cfg = cfg
self.vlib_mgr = VLibManager(machine,
alloc,
main_profiler=main_profiler)
self.alib_mgr = ALibManager(machine, alloc, segloader)
cfg.dump(log_libmgr.info)
def add_ctx(self, name, ctx):
"""allow to add vlib contexts"""
ctx.lib_mgr = self
self.vlib_mgr.add_ctx(name, ctx)
def add_impl_cls(self, name, impl_cls):
"""allow to add vlib impl classes"""
self.vlib_mgr.add_impl_cls(name, impl_cls)
def get_vlib_by_addr(self, addr):
"""return associated vlib for a base lib address"""
return self.vlib_mgr.get_vlib_by_addr(addr)
def get_vlib_by_name(self, name):
"""return associated vlib for a name"""
return self.vlib_mgr.get_vlib_by_name(name)
def bootstrap_exec(self, exec_info=None):
"""setup exec vlib as first and essential lib"""
version = 0
lib_cfg = self.cfg.get_lib_cfg("exec.library")
force_version = lib_cfg.get_force_version()
if force_version is not None:
version = force_version
log_libmgr.info("exec: force version: %s", version)
return self.vlib_mgr.bootstrap_exec(exec_info, version)
def shutdown(self, run_sp=None):
"""cleanup libs
try to expunge all libs and report still open ones
"""
log_libmgr.info("+shutdown")
aleft = self.alib_mgr.shutdown(run_sp)
if aleft > 0:
log_libmgr.warning("shutdown: can't expunge %d amiga libs/devs!",
aleft)
vleft = self.vlib_mgr.shutdown()
if vleft > 0:
log_libmgr.warning("shutdown: can't expunge %d vamos libs/devs!",
vleft)
left = vleft + aleft
log_libmgr.info("-shutdwon: aleft=%d, vleft=%d", aleft, vleft)
return left
def expunge_libs(self, run_sp=None):
"""expunge all unused libs
return number of libs _not_ expunged
"""
log_libmgr.info("+expunge_libs")
aleft = self.alib_mgr.expunge_libs(run_sp)
vleft = self.vlib_mgr.expunge_libs()
log_libmgr.info("-expunge_libs: aleft=%d, vleft=%d", aleft, vleft)
return vleft + aleft
def expunge_devs(self, run_sp=None):
"""expunge all unused devs
return number of libs _not_ expunged
"""
log_libmgr.info("+expunge_devs")
aleft = 0 # TBD
vleft = self.vlib_mgr.expunge_devs()
log_libmgr.info("-expunge_devs: aleft=%d, vleft=%d", aleft, vleft)
return vleft
def expunge_lib(self, addr, run_sp=None):
"""expunge a library given by base address
return True if lib was expunged
"""
log_libmgr.info("expunge_lib: @%06x", addr)
vlib = self.vlib_mgr.get_vlib_by_addr(addr)
if vlib:
return self.vlib_mgr.expunge_lib(vlib)
elif self.alib_mgr.is_load_addr(addr):
seglist = self.alib_mgr.expunge_lib(addr, run_sp)
return seglist != 0
else:
log_libmgr.error("expunge: unknown lib @%06x!", addr)
def close_lib(self, addr, run_sp=None):
"""close a library
return True if lib was expunged, too
"""
log_libmgr.info("close_lib: @%06x", addr)
vlib = self.vlib_mgr.get_vlib_by_addr(addr)
if vlib:
return self.vlib_mgr.close_lib(vlib)
elif self.alib_mgr.is_base_addr(addr):
seglist = self.alib_mgr.close_lib(addr, run_sp)
return seglist != 0
else:
log_libmgr.error("close: unknown lib @%06x!", addr)
def open_lib(self,
full_name,
version=0,
cwd_lock=None,
run_sp=None,
progdir_lock=None):
"""open a library
return lib_base addr or 0
"""
# get base name
base_name = LibLoader.get_lib_base_name(full_name)
log_libmgr.info("open_lib: '%s' ver=%d -> base_name='%s'", full_name,
version, base_name)
# get lib params
lib_cfg = self.cfg.get_cfg(full_name, base_name)
log_libmgr.info("-> cfg: %s", lib_cfg)
# handle mode
mode = lib_cfg.get_create_mode()
if mode == LibCfg.CREATE_MODE_OFF:
return 0
try_vlib, try_alib, fake = self._map_mode(mode)
# try vamos first
addr = 0
vlib = None
if try_vlib:
# get presented version of lib
lib_version = 0
force_version = lib_cfg.get_force_version()
if force_version is not None:
lib_version = force_version
log_libmgr.info("vlib: version=%d, fake=%s", lib_version, fake)
# open vlib
vlib = self.vlib_mgr.open_lib_name(base_name,
version=lib_version,
fake=fake,
lib_cfg=lib_cfg)
if vlib:
addr = vlib.get_addr()
log_libmgr.info("got vlib: @%06x", addr)
# try amiga lib
if try_alib and addr == 0:
addr = self.alib_mgr.open_lib(full_name, cwd_lock, run_sp,
progdir_lock)
if addr > 0:
log_libmgr.info("got alib: @%06x", addr)
# got a lib? check version
if addr > 0:
save_addr = addr
if version > 0:
addr = self._check_version(full_name, addr, version)
# lib is too old: close again
if addr == 0:
if vlib:
self.vlib_mgr.close_lib(vlib)
else:
self.alib_mgr.close_lib(save_addr, run_sp=run_sp)
# result lib base
return addr
def _map_mode(self, mode):
if mode == LibCfg.CREATE_MODE_AUTO:
try_vlib = True
try_alib = True
fake = False
elif mode == LibCfg.CREATE_MODE_VAMOS:
try_vlib = True
try_alib = False
fake = False
elif mode == LibCfg.CREATE_MODE_AMIGA:
try_vlib = False
try_alib = True
fake = False
elif mode == LibCfg.CREATE_MODE_FAKE:
try_vlib = True
try_alib = False
fake = True
else:
raise ValueError("invalid lib mode: '%s'" % mode)
return try_vlib, try_alib, fake
def _check_version(self, name, addr, open_ver):
# check version
lib = Library(self.mem, addr)
lib_ver = lib.version
if lib_ver < open_ver:
log_libmgr.warning("lib '%s' has too low version: %d < %d", name,
lib_ver, open_ver)
return 0
else:
log_libmgr.info("lib '%s' version %d ok for open version %d", name,
lib_ver, open_ver)
return addr
class LibManager(object):
"""the library manager handles both native and vamos libs"""
def __init__(self, machine, alloc, segloader, cfg,
main_profiler=None):
self.mem = machine.get_mem()
self.cfg = cfg
self.vlib_mgr = VLibManager(machine, alloc,
main_profiler=main_profiler)
self.alib_mgr = ALibManager(machine, alloc, segloader)
cfg.dump(log_libmgr.info)
def add_ctx(self, name, ctx):
"""allow to add vlib contexts"""
ctx.lib_mgr = self
self.vlib_mgr.add_ctx(name, ctx)
def add_impl_cls(self, name, impl_cls):
"""allow to add vlib impl classes"""
self.vlib_mgr.add_impl_cls(name, impl_cls)
def get_vlib_by_addr(self, addr):
"""return associated vlib for a base lib address"""
return self.vlib_mgr.get_vlib_by_addr(addr)
def get_vlib_by_name(self, name):
"""return associated vlib for a name"""
return self.vlib_mgr.get_vlib_by_name(name)
def bootstrap_exec(self, exec_info=None):
"""setup exec vlib as first and essential lib"""
version = 0
lib_cfg = self.cfg.get_lib_cfg("exec.library")
force_version = lib_cfg.get_force_version()
if force_version is not None:
version = force_version
log_libmgr.info("exec: force version: %s", version)
return self.vlib_mgr.bootstrap_exec(exec_info, version)
def shutdown(self, run_sp=None):
"""cleanup libs
try to expunge all libs and report still open ones
"""
log_libmgr.info("+shutdown")
aleft = self.alib_mgr.shutdown(run_sp)
if aleft > 0:
log_libmgr.warn("shutdown: can't expunge %d amiga libs/devs!", aleft)
vleft = self.vlib_mgr.shutdown()
if vleft > 0:
log_libmgr.warn("shutdown: can't expunge %d vamos libs/devs!", vleft)
left = vleft + aleft
log_libmgr.info("-shutdwon: aleft=%d, vleft=%d", aleft, vleft)
return left
def expunge_libs(self, run_sp=None):
"""expunge all unused libs
return number of libs _not_ expunged
"""
log_libmgr.info("+expunge_libs")
aleft = self.alib_mgr.expunge_libs(run_sp)
vleft = self.vlib_mgr.expunge_libs()
log_libmgr.info("-expunge_libs: aleft=%d, vleft=%d", aleft, vleft)
return vleft + aleft
def expunge_devs(self, run_sp=None):
"""expunge all unused devs
return number of libs _not_ expunged
"""
log_libmgr.info("+expunge_devs")
aleft = 0 # TBD
vleft = self.vlib_mgr.expunge_devs()
log_libmgr.info("-expunge_devs: aleft=%d, vleft=%d", aleft, vleft)
return vleft
def expunge_lib(self, addr, run_sp=None):
"""expunge a library given by base address
return True if lib was expunged
"""
log_libmgr.info("expunge_lib: @%06x", addr)
vlib = self.vlib_mgr.get_vlib_by_addr(addr)
if vlib:
return self.vlib_mgr.expunge_lib(vlib)
elif self.alib_mgr.is_load_addr(addr):
seglist = self.alib_mgr.expunge_lib(addr, run_sp)
return seglist != 0
else:
log_libmgr.error("expunge: unknown lib @%06x!", addr)
def close_lib(self, addr, run_sp=None):
"""close a library
return True if lib was expunged, too
"""
log_libmgr.info("close_lib: @%06x", addr)
vlib = self.vlib_mgr.get_vlib_by_addr(addr)
if vlib:
return self.vlib_mgr.close_lib(vlib)
elif self.alib_mgr.is_base_addr(addr):
seglist = self.alib_mgr.close_lib(addr, run_sp)
return seglist != 0
else:
log_libmgr.error("close: unknown lib @%06x!", addr)
def open_lib(self, full_name, version=0, cwd_lock=None, run_sp=None,
progdir_lock=None):
"""open a library
return lib_base addr or 0
"""
# get base name
base_name = LibLoader.get_lib_base_name(full_name)
log_libmgr.info("open_lib: '%s' ver=%d -> base_name='%s'",
full_name, version, base_name)
# get lib params
lib_cfg = self.cfg.get_cfg(full_name, base_name)
log_libmgr.info("-> cfg: %s", lib_cfg)
# handle mode
mode = lib_cfg.get_create_mode()
if mode == LibCfg.CREATE_MODE_OFF:
return 0
try_vlib, try_alib, fake = self._map_mode(mode)
# try vamos first
addr = 0
vlib = None
if try_vlib:
# get presented version of lib
lib_version = 0
force_version = lib_cfg.get_force_version()
if force_version is not None:
lib_version = force_version
log_libmgr.info("vlib: version=%d, fake=%s", lib_version, fake)
# open vlib
vlib = self.vlib_mgr.open_lib_name(base_name,
version=lib_version,
fake=fake,
lib_cfg=lib_cfg)
if vlib:
addr = vlib.get_addr()
log_libmgr.info("got vlib: @%06x", addr)
# try amiga lib
if try_alib and addr == 0:
addr = self.alib_mgr.open_lib(full_name, cwd_lock, run_sp, progdir_lock)
if addr > 0:
log_libmgr.info("got alib: @%06x", addr)
# got a lib? check version
if addr > 0:
save_addr = addr
if version > 0:
addr = self._check_version(full_name, addr, version)
# lib is too old: close again
if addr == 0:
if vlib:
self.vlib_mgr.close_lib(vlib)
else:
self.alib_mgr.close_lib(save_addr, run_sp=run_sp)
# result lib base
return addr
def _map_mode(self, mode):
if mode == LibCfg.CREATE_MODE_AUTO:
try_vlib = True
try_alib = True
fake = False
elif mode == LibCfg.CREATE_MODE_VAMOS:
try_vlib = True
try_alib = False
fake = False
elif mode == LibCfg.CREATE_MODE_AMIGA:
try_vlib = False
try_alib = True
fake = False
elif mode == LibCfg.CREATE_MODE_FAKE:
try_vlib = True
try_alib = False
fake = True
else:
raise ValueError("invalid lib mode: '%s'" % mode)
return try_vlib, try_alib, fake
def _check_version(self, name, addr, open_ver):
# check version
lib = Library(self.mem, addr)
lib_ver = lib.version
if lib_ver < open_ver:
log_libmgr.warn("lib '%s' has too low version: %d < %d",
name, lib_ver, open_ver)
return 0
else:
log_libmgr.info("lib '%s' version %d ok for open version %d",
name, lib_ver, open_ver)
return addr