1 // RUN: %clangxx -O0 %s -o %t && %run %t 2 // XFAIL: arm-linux-gnueabi 3 4 #include <assert.h> 5 #include <signal.h> 6 #include <stdio.h> 7 #include <sys/ptrace.h> 8 #include <sys/types.h> 9 #include <sys/user.h> 10 #include <sys/wait.h> 11 #include <unistd.h> 12 13 int main(void) { 14 pid_t pid; 15 pid = fork(); 16 if (pid == 0) { // child 17 ptrace(PTRACE_TRACEME, 0, NULL, NULL); 18 execl("/bin/true", "true", NULL); 19 } else { 20 wait(NULL); 21 user_regs_struct regs; 22 int res; 23 res = ptrace(PTRACE_GETREGS, pid, NULL, ®s); 24 assert(!res); 25 if (regs.rip) 26 printf("%zx\n", regs.rip); 27 28 user_fpregs_struct fpregs; 29 res = ptrace(PTRACE_GETFPREGS, pid, NULL, &fpregs); 30 assert(!res); 31 if (fpregs.mxcsr) 32 printf("%x\n", fpregs.mxcsr); 33 34 siginfo_t siginfo; 35 res = ptrace(PTRACE_GETSIGINFO, pid, NULL, &siginfo); 36 assert(!res); 37 assert(siginfo.si_pid == pid); 38 39 ptrace(PTRACE_CONT, pid, NULL, NULL); 40 41 wait(NULL); 42 } 43 return 0; 44 } 45
