sync: что-то химичу с точками останова

08-debugging/Makefile

@@ -14,4 +14,4 @@ testee.o: testee.asm
 	nasm -felf64 $^ -o $@ -g
 
 clean:
-	rm *.o test *.gch
+	rm *.o test *.gch testee

08-debugging/test.c

@@ -11,6 +11,28 @@
 int stats;
 struct user_regs_struct regs;
 
+void continue_execution(pid_t pid)
+{
+  ptrace(PTRACE_CONT, pid, DONT_CARE, DONT_CARE);
+  int wait_status;
+  int options = 0;
+  waitpid(pid, &wait_status, options);
+  return;
+}
+
+void print_rax(pid_t pid)
+{
+  ptrace(PTRACE_GETREGS, pid, DONT_CARE, &regs);
+  printf("rax = %llu\n", regs.rax);
+  return;
+}
+
+void step(pid_t pid)
+{
+  ptrace(PTRACE_SINGLESTEP, pid, DONT_CARE, DONT_CARE);
+  return;
+}
+
 int main()
 {
   printf("procces is run ");
@@ -25,15 +47,18 @@ int main()
   }
   else if(pid > 0)
   {
+    char buff;
     printf(" -- parrent\n");
-    for (int i = 0; i < 4; i++)
+    continue_execution(pid);
-    {
+    do {
       waitpid(pid, &stats, 0);
-      printf("____PARENT_STAT: %d____\n", stats);
+      printf("stats - %d", stats);
-      ptrace(PTRACE_GETREGS, pid, DONT_CARE, &regs);
+      print_rax(pid);
-      printf("rax = %llu\n", regs.rax);
       ptrace(PTRACE_SINGLESTEP, pid, DONT_CARE, DONT_CARE);
-    }
+      printf("enter any: ");
+      read(0, &buff, 1);
+      printf("\n");
+    } while(stats);
     printf("____AFTER_TRACE_PARRENT____\n");
   }
   return 0;

08-debugging/testee.asm

@@ -8,7 +8,11 @@ section .text
 _start:
   xor rax, rax,
   add rax, 1
+  int3
   add rax, 12
+  ;int3
+  mov rax, 33
+  ;int3
 
   mov rax, 1
   mov rdi, 1