可通过如下python脚本进行分析:
import os
import sys
#在此输入HardFault_Handler时打印的PC指针
address = 0x20006980
#以下代码不要要更改
def is_hex(data):
try:
int(data, 16)
return True
except ValueError:
return False
def find_line_number(map_file, address):
line_number = None
linestring = ""
with open(map_file, 'r') as f:
line_num = 0
lines = f.readlines()
for line in lines:
line_num = line_num + 1
line = line.replace('\n', '').strip()
parts = line.split()
if len(parts) >= 3:
if is_hex(parts[1]) :
func_address = int(parts[1], 16)
if func_address >= address:
line_number = str(line_num - 1) if func_address > address else str(line_num)
break
elif is_hex(parts[2]) :
func_address = int(parts[2], 16)
if func_address >= address:
line_number = str(line_num - 1) if func_address > address else str(line_num)
break
linestring = line
return line_number, (linestring if func_address > address else line)
if name == "main":
script_path = os.path.dirname(os.path.realpath(file))
os.chdir(script_path)
map_file = '../Listings/SC_Func.map'
line_number, linestring = find_line_number(map_file, address)
if line_number:
print(f"Function at address: {hex(address)}, LineNumber: {line_number}")
print(f"Content: {linestring}")
else:
print(f"No function found at address {hex(address)}")