我知道我可以使用-g选项生成调试符号.但是,符号将嵌入目标文件中.gcc可以在结果可执行文件/库之外生成调试符号吗？像Windows VC++编译器的.pdb文件一样.
我有一个核心转储来自一个在调用信号处理程序后死锁的进程.如何确定交付的信号和发送者？
接下来是接收信号的线程的GDB生成的回溯.信号处理程序在第15帧中调用.
(gdb) bt
#0 0x00007fa9c204654b in sys_futex (w=0x7fa9c2263d80, value=2, loop=<value optimized out>) at ./src/base/linux_syscall_support.h:1789
#1 base::internal::SpinLockDelay (w=0x7fa9c2263d80, value=2, loop=<value optimized out>) at ./src/base/spinlock_linux-inl.h:87
#2 0x00007fa9c204774c in SpinLock::SlowLock (this=0x7fa9c2263d80) at src/base/spinlock.cc:132
#3 0x00007fa9c2037ee3 in Lock (this=0x7fa9c2263d80, start=0x7fa9bb3c04c8, end=0x7fa9bb3c04c0, N=3) at src/base/spinlock.h:75
#4 tcmalloc::CentralFreeList::RemoveRange (this=0x7fa9c2263d80, start=0x7fa9bb3c04c8, end=0x7fa9bb3c04c0, N=3) at src/central_freelist.cc:247
#5 0x00007fa9c203bae4 in tcmalloc::ThreadCache::FetchFromCentralCache (this=0x17efb40, cl=<value optimized out>, byte_size=32) at src/thread_cache.cc:162
#6 0x00007fa9c202b9cb in Allocate (size=<value optimized out>) at src/thread_cache.h:341
#7 do_malloc (size=<value optimized out>) at src/tcmalloc.cc:1068
#8 (anonymous namespace)::do_malloc_or_cpp_alloc (size=<value …