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new e5d81e91 Update gdb_bthread_stack.py (#2217)
e5d81e91 is described below
commit e5d81e91bd9010ee833bc443b2a443ace8df0e40
Author: AIxWall <[email protected]>
AuthorDate: Wed Apr 26 11:25:53 2023 +0800
Update gdb_bthread_stack.py (#2217)
add "print all bthread frames" command
---
tools/gdb_bthread_stack.py | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/tools/gdb_bthread_stack.py b/tools/gdb_bthread_stack.py
index b36c209c..1ff4689c 100644
--- a/tools/gdb_bthread_stack.py
+++ b/tools/gdb_bthread_stack.py
@@ -41,6 +41,7 @@ Commands:
6. bthread_reg_restore: bthread_frame will modify registers, reg_restore
will restore them
7. bthread_end: exit bthread debug mode
8. bthread_regs <id>: print bthread registers
+ 9. bthread_all: print all bthread frames
when call bthread_frame, registers will be modified,
remember to call bthread_end after debug, or process will be corrupted
@@ -140,6 +141,35 @@ class BthreadFrameCmd(gdb.Command):
gdb.parse_and_eval("$rsp = {}".format(rsp))
gdb.parse_and_eval("$rbp = {}".format(rbp))
+class BthreadAllCmd(gdb.Command):
+ """print all bthread frames"""
+ def __init__(self):
+ gdb.Command.__init__(self, "bthread_all", gdb.COMMAND_STACK,
gdb.COMPLETE_NONE)
+
+ def invoke(self, arg, tty):
+ global status
+ global bthreads
+ if not status:
+ print("Not in bthread debug mode")
+ return
+ for bthread_id in range(len(bthreads)):
+ stack = bthreads[bthread_id]["stack"]
+ if str(stack) == "0x0":
+ print("this bthread has no stack")
+ continue
+ try:
+ context = gdb.parse_and_eval("(*(('bthread::ContextualStack'
*){})).context".format(stack))
+ rip =
gdb.parse_and_eval("*(uint64_t*)({}+7*8)".format(context))
+ rbp =
gdb.parse_and_eval("*(uint64_t*)({}+6*8)".format(context))
+ rsp = gdb.parse_and_eval("{}+8*8".format(context))
+ gdb.parse_and_eval("$rip = {}".format(rip))
+ gdb.parse_and_eval("$rsp = {}".format(rsp))
+ gdb.parse_and_eval("$rbp = {}".format(rbp))
+ print("Bthread {}:".format(bthread_id))
+ gdb.execute('bt')
+ except Exception as e:
+ pass
+
class BthreadRegsCmd(gdb.Command):
"""bthread_regs <id>, print bthread registers"""
def __init__(self):
@@ -255,6 +285,7 @@ BthreadNumCmd()
BthreadBeginCmd()
BthreadEndCmd()
BthreadFrameCmd()
+BthreadAllCmd()
BthreadMetaCmd()
BthreadRegRestoreCmd()
BthreadRegsCmd()
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