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gdb/macro: fix cached macro info is outdated

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Use the file hash instead to avoid file name conflicts

Signed-off-by: xuxingliang <xuxingliang@xiaomi.com>
This commit is contained in:
xuxingliang 2024-09-23 12:07:07 +08:00 committed by Xiang Xiao
parent aa74ba5ace
commit 6d0d4458cd
1 changed files with 11 additions and 3 deletions
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14
tools/gdb/nuttxgdb/macros.py
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@ -37,9 +37,11 @@
# #
# Currently, we are using the second method. # Currently, we are using the second method.
import hashlib
import os import os
import re import re
import time import time
from os import path
PUNCTUATORS = [ PUNCTUATORS = [
"\[", "\[",
@ -120,18 +122,24 @@ def parse_macro(line, macros, pattern):
def fetch_macro_info(file): def fetch_macro_info(file):
if not os.path.isfile(file): if not path.isfile(file):
raise FileNotFoundError("No given ELF target found") raise FileNotFoundError("No given ELF target found")
# FIXME: we don't use subprocess here because # FIXME: we don't use subprocess here because
# it's broken on some GDB distribution :(, I haven't # it's broken on some GDB distribution :(, I haven't
# found a solution to it. # found a solution to it.
cache = os.path.splitext(file)[0] + ".macro" with open(file, "rb") as f:
if not os.path.isfile(cache): hash = hashlib.md5(f.read()).hexdigest()
cache = path.join(path.dirname(path.abspath(file)), f"{hash}.macro")
if not path.isfile(cache):
start = time.time() start = time.time()
os.system(f"readelf -wm {file} > {cache}") os.system(f"readelf -wm {file} > {cache}")
print(f"readelf took {time.time() - start:.1f} seconds") print(f"readelf took {time.time() - start:.1f} seconds")
print(f"Cache macro info to {cache}")
else:
print(f"Load macro info from {cache}")
p = re.compile(".*macro[ ]*:[ ]*([\S]+\(.*?\)|[\w]+)[ ]*(.*)") p = re.compile(".*macro[ ]*:[ ]*([\S]+\(.*?\)|[\w]+)[ ]*(.*)")
macros = {} macros = {}