nuttx/nuttx-update
1
2
Fork 1
Code Issues 1 Pull requests 1 Projects Releases Packages Wiki Activity Actions

gdb/register: register name sp, pc are always available

Browse source 
GDB provides four “standard” register names sp, pc, fp and ps. Those can be used in most of the cases.

See https://sourceware.org/gdb/current/onlinedocs/gdb.html/Registers.html

Signed-off-by: xuxingliang <xuxingliang@xiaomi.com>
This commit is contained in:
xuxingliang 2024-10-22 20:32:55 +08:00 committed by Xiang Xiao
parent 73467989c5
commit 38b5dcd42c
2 changed files with 5 additions and 32 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
tools/gdb/nuttxgdb/stack.py
View file

@ -137,10 +137,9 @@ def fetch_stacks():
stacks = dict()
for tcb in utils.get_tcbs():
if (
tcb["task_state"] == gdb.parse_and_eval("TSTATE_TASK_RUNNING")
and not utils.in_interrupt_context()
):
# We have no way to detect if we are in an interrupt context for now.
# Originally we use `and not utils.in_interrupt_context()`
if tcb["task_state"] == gdb.parse_and_eval("TSTATE_TASK_RUNNING"):
sp = utils.get_sp()
else:
sp = utils.get_sp(tcb=tcb)

30
tools/gdb/nuttxgdb/utils.py
View file

@ -519,32 +519,6 @@ def in_interrupt_context(cpuid=0):
return not g_current_regs or not g_current_regs[cpuid]
def get_arch_sp_name():
if is_target_arch("arm") or is_target_arch("aarch64"):
# arm and arm variants
return "sp"
elif is_target_arch("i386", exact=True):
return "esp"
elif is_target_arch("i386:x86-64", exact=True):
return "rsp"
else:
# Default to use sp, add more archs if needed
return "sp"
def get_arch_pc_name():
if is_target_arch("arm") or is_target_arch("aarch64"):
# arm and arm variants
return "pc"
elif is_target_arch("i386", exact=True):
return "eip"
elif is_target_arch("i386:x86-64", exact=True):
return "rip"
else:
# Default to use pc, add more archs if needed
return "pc"
def get_register_byname(regname, tcb=None):
frame = gdb.selected_frame()
@ -572,11 +546,11 @@ def get_register_byname(regname, tcb=None):
def get_sp(tcb=None):
return get_register_byname(get_arch_sp_name(), tcb)
return get_register_byname("sp", tcb)
def get_pc(tcb=None):
return get_register_byname(get_arch_pc_name(), tcb)
return get_register_byname("pc", tcb)
def get_tcbs():