gdbserver:skip load symbol if use logfile as input

Signed-off-by: anjiahao <anjiahao@xiaomi.com>

tools/gdbserver.py

@@ -30,6 +30,7 @@ import socket
 import struct
 import subprocess
 import sys
+import traceback
 
 import elftools
 from elftools.elf.elffile import ELFFile
@@ -263,7 +264,7 @@ class DumpELFFile:
         self.__xlen = None
         self.__text = 0
 
-    def parse(self):
+    def parse(self, load_symbol: bool):
         self.__memories = []
         elf = ELFFile.load_from_path(self.elffile)
         self.__arch = elf.get_machine_arch().lower().replace("-", "")
@@ -313,6 +314,8 @@ class DumpELFFile:
             if segment.header.p_flags & 1 and not self.__text:
                 self.__text = segment.header.p_vaddr
 
+        self.load_symbol = load_symbol
+        if load_symbol:
             symtab = elf.get_section_by_name(".symtab")
             self.symbol = {}
             for symbol in symtab.iter_symbols():
@@ -332,7 +335,6 @@ class DumpELFFile:
                         )
 
         elf.close()
-
         return True
 
     def merge(self, other):
@@ -537,6 +539,7 @@ class GDBStub:
 
         self.threadinfo = []
         self.current_thread = 0
+        if elffile.load_symbol:
             try:
                 self.parse_thread()
                 logger.debug(f"Have {len(self.threadinfo)} threads to debug.")
@@ -553,8 +556,12 @@ class GDBStub:
             except TypeError:
                 if not self.registers:
                     logger.critical(
-                    "Logfile, coredump, or rawfile do not contain register. Please check if the files are correct."
+                        "Logfile, coredump, or rawfile do not contain register,"
+                        "Please check if the files are correct."
                     )
+
+                    stack_trace = traceback.format_exc()
+                    logger.debug(stack_trace)
                     sys.exit(1)
 
     def get_gdb_packet(self):
@@ -1017,6 +1024,15 @@ def arg_parser():
         help="coredump file, will prase memory in this file",
     )
 
+    parser.add_argument(
+        "-s",
+        "--symbol",
+        action="store_true",
+        help="Analyze the symbol table in the ELF file, use in thread awareness"
+        "if use logfile input, this option will is false by default"
+        "if use rawfile or coredump input, this option will is true by default",
+    )
+
     parser.add_argument(
         "--debug",
         action="store_true",
@@ -1101,7 +1117,11 @@ def main(args):
 
     config_log(args.debug)
     elf = DumpELFFile(args.elffile[0])
-    elf.parse()
+    if args.symbol is False:
+        if args.rawfile or args.coredump:
+            args.symbol = True
+
+    elf.parse(args.symbol)
     elf_texts = [elf.text()]
     for name in args.elffile[1:]:
         other = DumpELFFile(name)