def GetLocation(self, location=None):
"""Get location of current line of execution, or location of provided location name."""
import gdb
try:
if location == None:
current_line = gdb.decode_line()
else:
try:
current_line = gdb.decode_line(location)
except:
locationalt = "{0}:1".format(location)
current_line = gdb.decode_line(locationalt)
symbol_table_and_line = current_line[1][0]
symbol_table = symbol_table_and_line.symtab
fullsource = symbol_table.fullname()
source = symbol_table.filename
line = symbol_table_and_line.line
return fullsource, source, line
except:
if location == None:
raise VimgdbError("Current location not detected")
else:
raise VimgdbError("Location '{0}' not found".format(location))
def file_symbols(filename, regexp):
'''Iterate over all symbols defined in a file.'''
if not filename:
return
try:
unparsed, sal_options = gdb.decode_line("'{}':1".format(filename))
except gdb.error as e:
# n.b. This is very brittle -- nothing in gdb specifies these error
# strings, so they could easily change.
# Until I find a better way, I'm simply adding each exception I
# come across that I know is fine to ignore.
# The only real way to get this is to add search_symbols as a
# function into the gdb python interface.
if e.args[0].startswith('No line 1 in file "'):
return
if e.args[0].startswith('No source file named '):
return
raise
if unparsed:
raise ValueError('Failed to parse {} as filename'.format(filename))
# TODO Check source code and see if this is always the case.
# NOTE: When there are more than one symbol and file options given from
# the same source file, they all have the same set of symbol names.
# (as far as I can tell -- haven't yet looked at the gdb source).
# Hence ignore any extra ones.
sal = sal_options[0]
for block in (sal.symtab.global_block(), sal.symtab.static_block()):
yield from (sym for sym in block
if sym.is_function and re.match(regexp, sym.name))
def invoke(self, arg, from_tty):
bps = gdb.breakpoints()
for bp in bps:
s = gdb.decode_line(bp.location)[1][0]
l = gdb.find_pc_line(s.pc)
print l
loc = ''
print ("Breakpoint #%d - Location: %s Enabled: %s" % (bp.number, loc, bp.enabled))
def get_locations(self, breakpoint):
if breakpoint.location is not None:
try:
unparsed, locs = gdb.decode_line(breakpoint.location)
except gdb.error:
pass
else:
if locs:
return [ self.to_loc(loc) for loc in locs if self.to_loc(loc) ]
return []
def invoke(self, arg, from_tty):
(remaining, locations) = gdb.decode_line(arg)
if remaining is None:
raise gdb.GdbError('printf format missing')
remaining = remaining.strip(',')
if locations is None:
raise gdb.GdbError('no matching locations found')
spec = arg[0:- len(remaining)]
_LPrintfBreakpoint(spec, 'printf ' + remaining)
def invoke(self, arg, from_tty):
(remaining, locations) = gdb.decode_line(arg)
if remaining is None:
raise gdb.GdbError('printf format missing')
remaining = remaining.strip(',')
if locations is None:
raise gdb.GdbError('no matching locations found')
spec = arg[0:-len(remaining)]
_LPrintfBreakpoint(spec, 'printf ' + remaining)
def trigger(self, wp, time, action, value, pc):
value = gdb.Value(value).cast(wp.vartype)
if pc:
sal = gdb.decode_line("*" + hex(pc))[1][0]
pc = "%s:%d" % (sal.symtab.filename, sal.line)
else:
pc = ''
if tpa_time.value == 'off':
time = ''
action = "%5s %s=%d" % (action, wp.varname, value)
tpa_log.write("%s %-25s %s\n" % (time, action, pc))
def invoke(self, arg, from_tty):
(remaining, locations) = gdb.decode_line(arg)
if self._verbose:
print("-> Argument: {}".format(arg))
print("-> Remaining: {}".format(remaining))
if len(locations) != 1:
gdb.GdbError("The command `BHCmd` supports just one location.")
location = locations[0]
if self._verbose:
print("-> Location {}".format(location))
spec = remaining and arg[0 : -len(remaining)] or arg[:]
BHBp(spec, self._callback, location, remaining, self._go_on)
def invoke(self, arg, from_tty):
(window, arg) = self._parse_arg(arg, False)
orig_arg = arg
(ignore, arg) = gdb.decode_line(arg)
if arg is None:
raise gdb.GdbError("no printf arguments to 'gui dprintf'")
arg = arg.strip()
if not arg.startswith(','):
raise gdb.GdbError("comma expected after linespec")
arg = arg[1:]
spec = arg[0:-len(arg)]
DPrintfBreakpoint(spec, window, arg)
def invoke(self, arg, from_tty):
self.dont_repeat()
(extra, sals) = gdb.decode_line(arg)
if extra is not None:
raise gdb.GdbError('unrecognized junk at end of command: ' + extra)
if sals is None:
raise gdb.GdbError('not found')
if len(sals) > 1:
print("Ambiguous linespec, only showing first result")
sal = sals[0]
if sal.symtab is None or sal.symtab.filename is None:
raise gdb.GdbError('could not find file for symbol')
gui.source.lru_handler.show_source_gdb(None, sal.symtab,
sal.symtab.fullname(), sal.line)
def invoke(self, arg, from_tty):
print "_LPrintfCommmand arg="+str(arg)
(remaining, locations) = gdb.decode_line(arg)
if remaining is None:
raise gdb.GdbError('printf format missing')
remaining = remaining.strip(',')
if locations is None:
raise gdb.GdbError('no matching locations found')
msg="_LPrintfCommmand remaining="+str(remaining)
for loc in locations:
msg=msg+" locations="+str(loc)
print msg
spec = arg[0:- len(remaining)]
_LPrintfBreakpoint(spec, 'printf ' + remaining)
def get_symtab(filename):
if filename == "":
return None
if filename in symtab_cache:
return symtab_cache[filename]
try:
sal = gdb.decode_line(filename)[1][0]
except gdb.error:
symtab_cache[filename] = None
return None
symtab = sal.symtab
symtab_cache[filename] = symtab
return symtab
def get_bp_locations(bp):
if bp.type != gdb.BP_BREAKPOINT:
return []
location = bp.location
try:
locs = gdb.decode_line(location)[1]
except gdb.error:
#current file have not location `location` then produce this error
return []
if locs == None:
return []
locations = []
if locs:
for loc in locs:
line = loc.line
if not loc.symtab:
#maybe breakpoint have not location. For ex. `break exit`, `break abort`
continue
filename = loc.symtab.fullname()
locations.append((filename, line))
return locations
def _breakpoint_created(bp):
if bp.location is None:
return
gui.adapt.notify_bug(18385)
try:
(rest, locs) = gdb.decode_line(bp.location)
except:
return
if rest is not None:
# Let's assume we couldn't reparse for some reason.
return
for sal in locs:
if sal.symtab is None:
continue
entry = (sal.symtab.fullname(), sal.line)
if entry not in _breakpoint_source_map:
_breakpoint_source_map[entry] = set()
if bp.number not in _breakpoint_source_map[entry]:
_breakpoint_source_map[entry].add(bp.number)
gui.events.location_changed.post(entry, True)
else:
_breakpoint_source_map[entry].add(bp.number)
def file_symbols(filename, regexp):
'''Iterate over all symbols defined in a file.'''
if not filename:
return
try:
unparsed, sal_options = gdb.decode_line("'{}':1".format(filename))
except gdb.error as e:
if e.args[0].startswith('No line 1 in file "'):
return
raise
if unparsed:
raise ValueError('Failed to parse {} as filename'.format(filename))
# TODO Check source code and see if this is always the case.
# NOTE: When there are more than one symbol and file options given from
# the same source file, they all have the same set of symbol names.
# (as far as I can tell -- haven't yet looked at the gdb source).
# Hence ignore any extra ones.
sal = sal_options[0]
for block in (sal.symtab.global_block(), sal.symtab.static_block()):
yield from (sym for sym in block
if sym.is_function and re.match(regexp, sym.name))
def decode_1arg(s):
from _common import zdecode
x = gdb.decode_line(s)
zdecode(x)
import gdb
tuple = gdb.decode_line("test1.c:print_name")
symtab_and_line = tuple[0]
print "line: " + str(symtab_and_line.line)
print "last: " + str(symtab_and_line.last)
print "filename: " + symtab_and_line.symtab.filename
print "fullname: " + symtab_and_line.symtab.fullname()
tuple = gdb.decode_line("test2.c:print_name")
symtab_and_line = tuple[0]
print "line: " + str(symtab_and_line.line)
print "last: " + str(symtab_and_line.last)
print "filename: " + symtab_and_line.symtab.filename
print "fullname: " + symtab_and_line.symtab.fullname()
def decode_0args():
from _common import zdecode
x = gdb.decode_line()
zdecode(x)
def get_locations(self, breakpoint):
unparsed, locs = gdb.decode_line(breakpoint.location)
if locs:
return [ self.to_loc(loc) for loc in locs if self.to_loc(loc) ]
def get_func_block(funcName):
# this is a completely and utterly ridiculous thing to have to do...
pc = gdb.decode_line(funcName)[1][0].pc
return gdb.block_for_pc(pc)
def parse_breakpoints():
rawmib = gdb.execute("maint info break", False, True).split("\n")
foo = """
Num Type Disp Enb Address What
1 breakpoint keep y 0x0000000000402233 in main(int, char const**) at vtrack.cxx:30 inf 1
breakpoint already hit 1 time
1.1 y 0x0000000000402233 in main(int, char const**) at vtrack.cxx:30 inf 1
-1 shlib events keep n 0x00007ffff7fd0101 <dl_main+7169> inf 1
-1.1 y 0x00007ffff7fd0101 <dl_main+7169> inf 1
"""
mib = {}
for mi in rawmib:
mi = mi.split()
# print("mi = '%s'" % mi )
if (len(mi) == 0 or mi[0] == "Num"):
continue
mk = mi[0].split(".")
if (not mk[0].isdigit()):
continue
if (len(mk) == 1):
mk = (mk[0], None)
else:
mk = (mk[0], mk[1])
mib[mk] = mi
ret = {}
import vdb
if (vdb.enabled("backtrace")):
import vdb.backtrace
previous_type = None
for mk, mi in mib.items():
# print("mk = '%s'" % (mk,) )
# print("mi = '%s'" % mi )
if (mk[0][0] == "-"):
continue
sp = stoppoint()
sp.key = mk
sp.number = mi[0]
ixplus = 0
address_there = True
if (mk[1] is None):
ixplus = 2
sp.type = mi[1]
if (sp.type == "hw"):
sp.type += " " + mi[2]
mi[1] += " " + mi[2]
del mi[2]
address_there = False
previous_type = sp.type
sp.temporary = mi[2]
else:
ixplus = 0
sp.enabled = (mi[1 + ixplus] == "y")
# print("sp.type = '%s'" % sp.type )
if (sp.type == "catchpoint" or sp.type == "watchpoint"):
address_there = False
if (previous_type == "watchpoint"):
address_there = False
if (address_there):
sp.address = vdb.util.mint(mi[2 + ixplus])
else:
ixplus -= 1
sp.address = ""
sp.what = " ".join(mi[3 + ixplus:])
# print("sp.what = '%s'" % sp.what )
m = re.match("in (.*) at (.*):([0-9]*) inf ([0-9]*)", sp.what)
if (m):
plain = ""
color = ""
plain = "in "
plain += m.group(1)
plain += " at "
plain += m.group(2)
plain += ":"
plain += m.group(3)
sp.what = plain
if (vdb.enabled("backtrace")):
color = "in "
color += vdb.color.color(m.group(1),
vdb.backtrace.color_function.value)
color += " at "
color += vdb.color.color(m.group(2),
vdb.backtrace.color_filename.value)
color += ":"
color += m.group(3)
sp.what = (color, len(plain))
sp.inferior = m.group(4)
else:
m = re.match("(.*) inf ([0-9]*)", sp.what)
if (m):
sp.what = m.group(1)
sp.inferior = m.group(2)
# print("sp.number = '%s'" % sp.number )
# print("type(sp.number) = '%s'" % type(sp.number) )
ret[sp.number] = sp
# print("ret = '%s'" % ret )
bps = gdb.breakpoints()
for bp in bps:
# print("type(bp.number) = '%s'" % type(bp.number) )
sp = ret.get(str(bp.number))
# print("bp.number = '%s'" % bp.number )
# print("sp = '%s'" % sp )
# print("bp = '%s'" % bp )
sp.type = bp.type
sp.enabled = bp.enabled
sp.temporary = bp.temporary
sp.location = bp.location
sp.expression = bp.expression
if (sp.address is None):
unparsed, locs = gdb.decode_line(bp.location)
if (len(locs) == 1):
addr = locs[0]
addr = addr.pc
else:
addr = "<MULTIPLE>"
sp.address = addr
for i in range(1, 1000):
sk = "%s.%s" % (sp.number, i)
esp = ret.get(sk, None)
if (esp is None):
break
sp.subpoints[sk] = esp
del ret[sk]
# print("Dump RET")
# for k,r in ret.items():
# print("")
# r._dump()
return ret