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thread.py: fix bug that ARM-A TCB info register[2]

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Signed-off-by: anjiahao <anjiahao@xiaomi.com>
This commit is contained in:
anjiahao 2024-08-26 20:29:03 +08:00 committed by Xiang Xiao
parent b5e7f8a40f
commit db1e97405a
1 changed files with 30 additions and 8 deletions
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38
tools/gdb/thread.py
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@ -31,10 +31,13 @@ UINT16_MAX = 0xFFFF
SEM_TYPE_MUTEX = 4
saved_regs = None
regoffset = None
def save_regs():
global saved_regs
global regoffset
tcbinfo = gdb.parse_and_eval("g_tcbinfo")
if saved_regs:
@ -42,25 +45,41 @@ def save_regs():
arch = gdb.selected_frame().architecture()
saved_regs = []
i = 0
if not regoffset:
regoffset = [
int(tcbinfo["reg_off"]["p"][i])
for i in range(tcbinfo["regs_num"])
if tcbinfo["reg_off"]["p"][i] != UINT16_MAX
]
for reg in arch.registers():
if i >= tcbinfo["regs_num"]:
if i >= len(regoffset):
break
saved_regs.append(gdb.parse_and_eval("$%s" % reg.name))
ret = gdb.parse_and_eval("$%s" % reg.name)
saved_regs.append(ret)
i += 1
def restore_regs():
tcbinfo = gdb.parse_and_eval("g_tcbinfo")
global saved_regs
global regoffset
if not saved_regs:
return
arch = gdb.selected_frame().architecture()
i = 0
regoffset = [
int(tcbinfo["reg_off"]["p"][i])
for i in range(tcbinfo["regs_num"])
if tcbinfo["reg_off"]["p"][i] != UINT16_MAX
]
for reg in arch.registers():
if i >= tcbinfo["regs_num"]:
if i >= len(regoffset):
break
gdb.execute(f"set ${reg.name}={int(saved_regs[i])}")
@ -84,6 +103,8 @@ class SetRegs(gdb.Command):
super(SetRegs, self).__init__("setregs", gdb.COMMAND_USER)
def invoke(self, arg, from_tty):
global regoffset
parser = argparse.ArgumentParser(
description="Set registers to the specified values"
)
@ -116,11 +137,12 @@ class SetRegs(gdb.Command):
save_regs()
arch = gdb.selected_frame().architecture()
regoffset = [
int(tcbinfo["reg_off"]["p"][i])
for i in range(tcbinfo["regs_num"])
if tcbinfo["reg_off"]["p"][i] != UINT16_MAX
]
if not regoffset:
regoffset = [
int(tcbinfo["reg_off"]["p"][i])
for i in range(tcbinfo["regs_num"])
if tcbinfo["reg_off"]["p"][i] != UINT16_MAX
]
i = 0
for reg in arch.registers():