Reviewers: Yang,
Description:
Extend find-anywhere so it also works while debugging a live process
[email protected]
BUG=none
LOG=n
Please review this at https://codereview.chromium.org/1179413006/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+18, -10 lines):
M tools/gdb-v8-support.py
Index: tools/gdb-v8-support.py
diff --git a/tools/gdb-v8-support.py b/tools/gdb-v8-support.py
index
5b2b532cabc0e3fbbfb378b0cbbc3bed2724dce5..8f5ff5bb5e80fa068f729276f3ec8ac0ff86180c
100644
--- a/tools/gdb-v8-support.py
+++ b/tools/gdb-v8-support.py
@@ -157,21 +157,29 @@ V8PrintObject()
class FindAnywhere (gdb.Command):
"""Search memory for the given pattern."""
MAPPING_RE =
re.compile(r"^\s*\[\d+\]\s+0x([0-9A-Fa-f]+)->0x([0-9A-Fa-f]+)")
+ LIVE_MAPPING_RE = re.compile(r"^\s+0x([0-9A-Fa-f]+)\s+0x([0-9A-Fa-f]+)")
def __init__ (self):
super (FindAnywhere, self).__init__ ("find-anywhere", gdb.COMMAND_DATA)
+ def find (self, startAddr, endAddr, value):
+ try:
+ result = gdb.execute(
+ "find 0x%s, 0x%s, %s" % (startAddr, endAddr, value),
+ to_string = True)
+ if result.find("not found") == -1:
+ print result
+ except:
+ pass
+
def invoke (self, value, from_tty):
for l in gdb.execute("maint info sections", to_string =
True).split('\n'):
m = FindAnywhere.MAPPING_RE.match(l)
if m is None:
continue
- startAddr = m.group(1)
- endAddr = m.group(2)
- try:
- result = gdb.execute(
- "find 0x%s, 0x%s, %s" % (startAddr, endAddr, value),
- to_string = True)
- if result.find("not found") == -1:
- print result
- except:
- pass
+ self.find(m.group(1), m.group(2), value)
+ for l in gdb.execute("info proc mappings", to_string =
True).split('\n'):
+ m = FindAnywhere.LIVE_MAPPING_RE.match(l)
+ if m is None:
+ continue
+ self.find(m.group(1), m.group(2), value)
+
FindAnywhere()
--
--
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