-# Copyright (C) 2010-2012 Free Software Foundation, Inc.
+# Copyright (C) 2010-2019 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
import sys
import _gdb
+if sys.version_info[0] > 2:
+ # Python 3 moved "reload"
+ from imp import reload
+
from _gdb import *
-class GdbOutputFile:
+class _GdbFile (object):
+ # These two are needed in Python 3
+ encoding = "UTF-8"
+ errors = "strict"
+
def close(self):
# Do nothing.
return None
def isatty(self):
return False
- def write(self, s):
- write(s, stream=STDOUT)
-
def writelines(self, iterable):
for line in iterable:
self.write(line)
def flush(self):
flush()
-sys.stdout = GdbOutputFile()
-
-class GdbOutputErrorFile:
- def close(self):
- # Do nothing.
- return None
+class _GdbOutputFile (_GdbFile):
+ def write(self, s):
+ write(s, stream=STDOUT)
- def isatty(self):
- return False
+sys.stdout = _GdbOutputFile()
+class _GdbOutputErrorFile (_GdbFile):
def write(self, s):
write(s, stream=STDERR)
- def writelines(self, iterable):
- for line in iterable:
- self.write(line)
-
- def flush(self):
- flush()
-
-sys.stderr = GdbOutputErrorFile()
+sys.stderr = _GdbOutputErrorFile()
# Default prompt hook does nothing.
prompt_hook = None
# Initial type printers.
type_printers = []
+# Initial xmethod matchers.
+xmethods = []
+# Initial frame filters.
+frame_filters = {}
+# Initial frame unwinders.
+frame_unwinders = []
+
+def _execute_unwinders(pending_frame):
+ """Internal function called from GDB to execute all unwinders.
+
+ Runs each currently enabled unwinder until it finds the one that
+ can unwind given frame.
+
+ Arguments:
+ pending_frame: gdb.PendingFrame instance.
+ Returns:
+ gdb.UnwindInfo instance or None.
+ """
+ for objfile in objfiles():
+ for unwinder in objfile.frame_unwinders:
+ if unwinder.enabled:
+ unwind_info = unwinder(pending_frame)
+ if unwind_info is not None:
+ return unwind_info
+
+ for unwinder in current_progspace().frame_unwinders:
+ if unwinder.enabled:
+ unwind_info = unwinder(pending_frame)
+ if unwind_info is not None:
+ return unwind_info
+
+ for unwinder in frame_unwinders:
+ if unwinder.enabled:
+ unwind_info = unwinder(pending_frame)
+ if unwind_info is not None:
+ return unwind_info
+
+ return None
+
+def _execute_file(filepath):
+ """This function is used to replace Python 2's PyRun_SimpleFile.
+
+ Loads and executes the given file.
+
+ We could use the runpy module, but its documentation says:
+ "Furthermore, any functions and classes defined by the executed code are
+ not guaranteed to work correctly after a runpy function has returned."
+ """
+ globals = sys.modules['__main__'].__dict__
+ set_file = False
+ # Set file (if not set) so that the imported file can use it (e.g. to
+ # access file-relative paths). This matches what PyRun_SimpleFile does.
+ if not hasattr(globals, '__file__'):
+ globals['__file__'] = filepath
+ set_file = True
+ try:
+ with open(filepath, 'rb') as file:
+ # We pass globals also as locals to match what Python does
+ # in PyRun_SimpleFile.
+ compiled = compile(file.read(), filepath, 'exec')
+ exec(compiled, globals, globals)
+ finally:
+ if set_file:
+ del globals['__file__']
+
# Convenience variable to GDB's python directory
PYTHONDIR = os.path.dirname(os.path.dirname(__file__))
packages = [
'function',
- 'command'
+ 'command',
+ 'printer'
]
# pkgutil.iter_modules is not available prior to Python 2.6. Instead,
# manually iterate the list, collating the Python files in each module
# path. Construct the module name, and import.
-def auto_load_packages():
+def _auto_load_packages():
for package in packages:
location = os.path.join(os.path.dirname(__file__), package)
if os.path.exists(location):
else:
__import__(modname)
except:
- print >> sys.stderr, traceback.format_exc()
+ sys.stderr.write (traceback.format_exc() + "\n")
-auto_load_packages()
+_auto_load_packages()
def GdbSetPythonDirectory(dir):
"""Update sys.path, reload gdb and auto-load packages."""
# note that reload overwrites the gdb module without deleting existing
# attributes
reload(__import__(__name__))
- auto_load_packages()
+ _auto_load_packages()
+
+def current_progspace():
+ "Return the current Progspace."
+ return selected_inferior().progspace
+
+def objfiles():
+ "Return a sequence of the current program space's objfiles."
+ return current_progspace().objfiles()
+
+def solib_name (addr):
+ """solib_name (Long) -> String.\n\
+Return the name of the shared library holding a given address, or None."""
+ return current_progspace().solib_name(addr)
+
+def block_for_pc(pc):
+ "Return the block containing the given pc value, or None."
+ return current_progspace().block_for_pc(pc)
+
+def find_pc_line(pc):
+ """find_pc_line (pc) -> Symtab_and_line.
+Return the gdb.Symtab_and_line object corresponding to the pc value."""
+ return current_progspace().find_pc_line(pc)
projects / thirdparty / binutils-gdb.git / blobdiff