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fix gdb bthread stack lookup symbol error when using libc++ #2516

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merged 1 commit into from
Jan 22, 2024
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fix gdb bthread stack lookup symbol error when using libc++ #2516

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12 changes: 7 additions & 5 deletions tools/gdb_bthread_stack.py
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Original file line number Diff line number Diff line change
Expand Up @@ -59,10 +59,12 @@ def get_bthread_num():
global_res = int(gdb.parse_and_eval("((*bthread::g_task_control)._nbthreads)._combiner._global_result"))
get_agent = "(*(('bvar::detail::AgentCombiner<long, long, bvar::detail::AddTo<long> >::Agent' *){}))"
last_node = root_agent
long_type = gdb.lookup_type("long")
while True:
agent = gdb.parse_and_eval(get_agent.format(last_node))
if last_node != root_agent:
val = int(agent["element"]["_value"]["_M_i"])
val = int(agent["element"]["_value"].cast(long_type))
gdb.parse_and_eval(get_agent.format(last_node))
global_res += val
if agent["next_"] == root_agent:
return global_res
Expand All @@ -72,13 +74,13 @@ def get_all_bthreads(total):
global bthreads
bthreads = []
count = 0
groups = int(gdb.parse_and_eval("'butil::ResourcePool<bthread::TaskMeta>::_ngroup'")["val"])
groups = int(gdb.parse_and_eval("butil::ResourcePool<bthread::TaskMeta>::_ngroup")["val"])
for group in range(groups):
blocks = int(gdb.parse_and_eval("(*((*((('butil::static_atomic<butil::ResourcePool<bthread::TaskMeta>::BlockGroup*>' *)('butil::ResourcePool<bthread::TaskMeta>::_block_groups')) + {})).val)).nblock._M_i".format(group)))
blocks = int(gdb.parse_and_eval("(unsigned long)(*((*((('butil::static_atomic<butil::ResourcePool<bthread::TaskMeta>::BlockGroup*>' *)('butil::ResourcePool<bthread::TaskMeta>::_block_groups')) + {})).val)).nblock".format(group)))
for block in range(blocks):
items = int(gdb.parse_and_eval("(*(*(('butil::atomic<butil::ResourcePool<bthread::TaskMeta>::Block*>' *)((*((*((('butil::static_atomic<butil::ResourcePool<bthread::TaskMeta>::BlockGroup*>' *)('butil::ResourcePool<bthread::TaskMeta>::_block_groups')) + {})).val)).blocks) + {}))._M_b._M_p).nitem".format(group, block)))
items = int(gdb.parse_and_eval("(*(*((butil::ResourcePool<bthread::TaskMeta>::Block**)((*((*((('butil::static_atomic<butil::ResourcePool<bthread::TaskMeta>::BlockGroup*>' *)('butil::ResourcePool<bthread::TaskMeta>::_block_groups')) + {})).val)).blocks) + {}))).nitem".format(group, block)))
for item in range(items):
task_meta = gdb.parse_and_eval("*(('bthread::TaskMeta' *)((*(*(('butil::atomic<butil::ResourcePool<bthread::TaskMeta>::Block*>' *)((*((*((('butil::static_atomic<butil::ResourcePool<bthread::TaskMeta>::BlockGroup*>' *)('butil::ResourcePool<bthread::TaskMeta>::_block_groups')) + {})).val)).blocks) + {}))._M_b._M_p).items) + {})".format(group, block, item))
task_meta = gdb.parse_and_eval("*(('bthread::TaskMeta' *)((*(*((butil::ResourcePool<bthread::TaskMeta>::Block**)((*((*((('butil::static_atomic<butil::ResourcePool<bthread::TaskMeta>::BlockGroup*>' *)('butil::ResourcePool<bthread::TaskMeta>::_block_groups')) + {})).val)).blocks) + {}))).items) + {})".format(group, block, item))
version_tid = (int(task_meta["tid"]) >> 32)
version_butex = gdb.parse_and_eval("*(uint32_t *){}".format(task_meta["version_butex"]))
if version_tid == int(version_butex) and int(task_meta["attr"]["stack_type"]) != 0:
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