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-rw-r--r--lldb/scripts/Python/interface/SBModule.i58
-rw-r--r--lldb/scripts/Python/modify-python-lldb.py45
2 files changed, 97 insertions, 6 deletions
diff --git a/lldb/scripts/Python/interface/SBModule.i b/lldb/scripts/Python/interface/SBModule.i
index b85b8965024..84470abc233 100644
--- a/lldb/scripts/Python/interface/SBModule.i
+++ b/lldb/scripts/Python/interface/SBModule.i
@@ -32,7 +32,63 @@ and rich comparion methods which allow the API program to use,
print 'This module is the same as that module'
to test module equality. A module also contains object file sections, namely
-SBSection. SBModule supports section iteration through section_iter()."
+SBSection. SBModule supports section iteration through section_iter(), for
+example,
+
+ print 'Number of sections: %d' % module.GetNumSections()
+ for sec in module.section_iter():
+ print sec
+
+And to iterate the symbols within a SBSection, use symbol_in_section_iter(),
+
+ # Iterates the text section and prints each symbols within each sub-section.
+ for subsec in text_sec:
+ print INDENT + repr(subsec)
+ for sym in exe_module.symbol_in_section_iter(subsec):
+ print INDENT2 + repr(sym)
+ print INDENT2 + 'symbol type: %s' % symbol_type_to_str(sym.GetType())
+
+might produce this following output:
+
+ [0x0000000100001780-0x0000000100001d5c) a.out.__TEXT.__text
+ id = {0x00000004}, name = 'mask_access(MaskAction, unsigned int)', range = [0x00000001000017c0-0x0000000100001870)
+ symbol type: code
+ id = {0x00000008}, name = 'thread_func(void*)', range = [0x0000000100001870-0x00000001000019b0)
+ symbol type: code
+ id = {0x0000000c}, name = 'main', range = [0x00000001000019b0-0x0000000100001d5c)
+ symbol type: code
+ id = {0x00000023}, name = 'start', address = 0x0000000100001780
+ symbol type: code
+ [0x0000000100001d5c-0x0000000100001da4) a.out.__TEXT.__stubs
+ id = {0x00000024}, name = '__stack_chk_fail', range = [0x0000000100001d5c-0x0000000100001d62)
+ symbol type: trampoline
+ id = {0x00000028}, name = 'exit', range = [0x0000000100001d62-0x0000000100001d68)
+ symbol type: trampoline
+ id = {0x00000029}, name = 'fflush', range = [0x0000000100001d68-0x0000000100001d6e)
+ symbol type: trampoline
+ id = {0x0000002a}, name = 'fgets', range = [0x0000000100001d6e-0x0000000100001d74)
+ symbol type: trampoline
+ id = {0x0000002b}, name = 'printf', range = [0x0000000100001d74-0x0000000100001d7a)
+ symbol type: trampoline
+ id = {0x0000002c}, name = 'pthread_create', range = [0x0000000100001d7a-0x0000000100001d80)
+ symbol type: trampoline
+ id = {0x0000002d}, name = 'pthread_join', range = [0x0000000100001d80-0x0000000100001d86)
+ symbol type: trampoline
+ id = {0x0000002e}, name = 'pthread_mutex_lock', range = [0x0000000100001d86-0x0000000100001d8c)
+ symbol type: trampoline
+ id = {0x0000002f}, name = 'pthread_mutex_unlock', range = [0x0000000100001d8c-0x0000000100001d92)
+ symbol type: trampoline
+ id = {0x00000030}, name = 'rand', range = [0x0000000100001d92-0x0000000100001d98)
+ symbol type: trampoline
+ id = {0x00000031}, name = 'strtoul', range = [0x0000000100001d98-0x0000000100001d9e)
+ symbol type: trampoline
+ id = {0x00000032}, name = 'usleep', range = [0x0000000100001d9e-0x0000000100001da4)
+ symbol type: trampoline
+ [0x0000000100001da4-0x0000000100001e2c) a.out.__TEXT.__stub_helper
+ [0x0000000100001e2c-0x0000000100001f10) a.out.__TEXT.__cstring
+ [0x0000000100001f10-0x0000000100001f68) a.out.__TEXT.__unwind_info
+ [0x0000000100001f68-0x0000000100001ff8) a.out.__TEXT.__eh_frame
+"
) SBModule;
class SBModule
{
diff --git a/lldb/scripts/Python/modify-python-lldb.py b/lldb/scripts/Python/modify-python-lldb.py
index ac523be956d..95f68a339b6 100644
--- a/lldb/scripts/Python/modify-python-lldb.py
+++ b/lldb/scripts/Python/modify-python-lldb.py
@@ -59,8 +59,27 @@ EIGHT_SPACES = ' ' * 8
one_liner_docstring_pattern = re.compile('^(%s|%s)""".*"""$' % (TWO_SPACES, EIGHT_SPACES))
#
-# lldb_iter() should appear before our first SB* class definition.
+# lldb_helpers and lldb_iter() should appear before our first SB* class definition.
#
+lldb_helpers = '''
+def in_range(symbol, section):
+ symSA = symbol.GetStartAddress().GetFileAddress()
+ symEA = symbol.GetEndAddress().GetFileAddress()
+ secSA = section.GetFileAddress()
+ secEA = secSA + section.GetByteSize()
+
+ if symEA != LLDB_INVALID_ADDRESS:
+ if secSA <= symSA and symEA <= secEA:
+ return True
+ else:
+ return False
+ else:
+ if secSA <= symSA and symSA < secEA:
+ return True
+ else:
+ return False
+'''
+
lldb_iter_def = '''
# ===================================
# Iterator for lldb container objects
@@ -166,6 +185,16 @@ ne_def = " def __ne__(self, other): return not self.__eq__(other)"
# Delegate to self.IsValid() if it is defined for the current lldb object.
nonzero_def = " def __nonzero__(self): return self.IsValid()"
+# A convenience iterator for SBSymbol!
+symbol_in_section_iter_def = '''
+ def symbol_in_section_iter(self, section):
+ """Given a module and its contained section, returns an iterator on the
+ symbols within the section."""
+ for sym in self:
+ if in_range(sym, section):
+ yield sym
+'''
+
#
# This dictionary defines a mapping from classname to (getsize, getelem) tuple.
#
@@ -193,7 +222,9 @@ d = { 'SBBreakpoint': ('GetNumLocations', 'GetLocationAtIndex'),
},
# SBModule has an additional section_iter(), see below.
- 'SBModule-extra': ('GetNumSections', 'GetSectionAtIndex')
+ 'SBModule-section': ('GetNumSections', 'GetSectionAtIndex'),
+ # As well as symbol_in_section_iter().
+ 'SBModule-symbol-in-section': symbol_in_section_iter_def
}
#
@@ -305,8 +336,10 @@ for line in content.splitlines():
if state == NORMAL:
match = class_pattern.search(line)
- # Inserts the lldb_iter() definition before the first class definition.
+ # Inserts lldb_helpers and the lldb_iter() definition before the first
+ # class definition.
if not lldb_iter_defined and match:
+ new_content.add_line(lldb_helpers)
new_content.add_line(lldb_iter_def)
lldb_iter_defined = True
@@ -341,9 +374,11 @@ for line in content.splitlines():
new_content.add_line(eq_def % (cls, list_to_frag(e[cls])))
new_content.add_line(ne_def)
- # SBModule has an extra SBSection iterator!
+ # SBModule has an extra SBSection iterator and symbol_in_section_iter()!
if cls == "SBModule":
- new_content.add_line(section_iter % d[cls+'-extra'])
+ new_content.add_line(section_iter % d[cls+'-section'])
+ new_content.add_line(d[cls+'-symbol-in-section'])
+
# This special purpose iterator is for SBValue only!!!
if cls == "SBValue":
new_content.add_line(linked_list_iter_def)
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