MagnitudeOS/littlefs
1
0
Fork 0
forked from Imagelibrary/littlefs
Code Pull Requests Activity

scripts: Made dwarf tags explicit in ctx.py/structs.py

Browse Source 
This will make ctx.py/structs.py more likely to error on unknown tags,
which is preferable to silently reporting incorrect numbers.
This commit is contained in:
Christopher Haster
2024-12-04 10:48:34 -06:00
parent b90b2953ea
commit 308b4b6080
2 changed files with 49 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
scripts/ctx.py
View File

@@ -552,12 +552,22 @@ def collect(obj_paths, *,
# function pointer?
elif entry.tag == 'DW_TAG_subroutine_type':
size = 0
# probably a modifier
elif 'DW_AT_type' in entry:
# a modifier?
elif (entry.tag in {
'DW_TAG_typedef',
'DW_TAG_array_type',
'DW_TAG_enumeration_type',
'DW_TAG_formal_parameter',
'DW_TAG_member',
'DW_TAG_const_type',
'DW_TAG_volatile_type',
'DW_TAG_restrict_type'}
and 'DW_AT_type' in entry):
type = info[int(entry['DW_AT_type'].strip('<>'), 0)]
size = sizeof(type, seen | {entry.off})
# void?
elif 'DW_AT_byte_size' not in entry:
elif ('DW_AT_type' not in entry
and 'DW_AT_byte_size' not in entry):
size = 0
else:
assert False, "Unknown dwarf entry? %r" % entry.tag
@@ -616,13 +626,23 @@ def collect(obj_paths, *,
'DW_TAG_base_type',
'DW_TAG_subroutine_type'}:
children, notes = [], []
# probably a modifier
elif 'DW_AT_type' in entry:
# a modifier?
elif (entry.tag in {
'DW_TAG_typedef',
'DW_TAG_array_type',
'DW_TAG_enumeration_type',
'DW_TAG_formal_parameter',
'DW_TAG_member',
'DW_TAG_const_type',
'DW_TAG_volatile_type',
'DW_TAG_restrict_type'}
and 'DW_AT_type' in entry):
type = int(entry['DW_AT_type'].strip('<>'), 0)
children, notes = childrenof(
info[type], seen | {entry.off})
# void?
elif 'DW_AT_byte_size' not in entry:
elif ('DW_AT_type' not in entry
and 'DW_AT_byte_size' not in entry):
children, notes = [], []
else:
assert False, "Unknown dwarf entry? %r" % entry.tag