[lldb][LoongArch] expression command cannot call the function

[wangleiat]

test commit: be48727

user@Debian-Sid:~/llvm-project/github-main/_build_lldb$ ./bin/lldb ./a.out 
(lldb) target create "./a.out"
Current executable set to '/home/user/llvm-project/github-main/_build_lldb/a.out' (loongarch64).
(lldb) b main
Breakpoint 1: where = a.out`main + 12 at test.c:6:10, address = 0x000000000000078c
(lldb) r
Process 430727 launched: '/home/user/llvm-project/github-main/_build_lldb/a.out' (loongarch64)
Process 430727 stopped
* thread #1, name = 'a.out', stop reason = breakpoint 1.1
    frame #0: 0x000055555555078c a.out`main at test.c:6:10
   3    }
   4   
   5    int main() {
-> 6      return 0;
   7    }
   8   
(lldb) list 1
   1    int add(int a, int b) {
   2      return a+b;
   3    }
   4   
   5    int main() {
   6      return 0;
   7    }
   8   
(lldb) expression add(2,3)
                  
error: Expression execution was interrupted: signal SIGBUS: illegal address.
The process has been returned to the state before expression evaluation.
(lldb)

[llvmbot]

@llvm/issue-subscribers-lldb

Author: wanglei (wangleiat)

test commit: be48727 ``` user@Debian-Sid:~/llvm-project/github-main/_build_lldb$ ./bin/lldb ./a.out (lldb) target create "./a.out" Current executable set to '/home/user/llvm-project/github-main/_build_lldb/a.out' (loongarch64). (lldb) b main Breakpoint 1: where = a.out`main + 12 at test.c:6:10, address = 0x000000000000078c (lldb) r Process 430727 launched: '/home/user/llvm-project/github-main/_build_lldb/a.out' (loongarch64) Process 430727 stopped * thread #1, name = 'a.out', stop reason = breakpoint 1.1 frame #0: 0x000055555555078c a.out`main at test.c:6:10 3 } 4 5 int main() { -> 6 return 0; 7 } 8 (lldb) list 1 1 int add(int a, int b) { 2 return a+b; 3 } 4 5 int main() { 6 return 0; 7 } 8 (lldb) expression add(2,3)

error: Expression execution was interrupted: signal SIGBUS: illegal address.
The process has been returned to the state before expression evaluation.
(lldb)

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