fixup! test: rewrite sysprof test using managed execution

Author: igormunkin

test/tarantool-c-tests/gh-8594-sysprof-ffunc-crash.test.c

@@ -192,7 +192,7 @@ static void continue_until(pid_t chpid, void *addr)
 	struct user_regs_struct regs;
 
 	/* Obtain the instructions at the <addr>. */
-	unsigned long data = ptrace(PTRACE_PEEKTEXT, chpid, addr, 0);
+	unsigned long data = ptrace(PTRACE_PEEKTEXT, chpid, addr, NULL);
 	/*
 	 * Emit the <int 3> instruction to the <addr>.
 	 * XXX: <int 3> is poisoned as the LSB to the <data>
@@ -201,7 +201,7 @@ static void continue_until(pid_t chpid, void *addr)
 	ptrace(PTRACE_POKETEXT, chpid, addr, int3poison(data));
 
 	/* Resume <chpid> tracee until SIGTRAP occurs. */
-	ptrace(PTRACE_CONT, chpid, 0, 0);
+	ptrace(PTRACE_CONT, chpid, NULL, NULL);
 
 	/*
 	 * Wait <chpid> tracee signal-delivery-stop and check
@@ -210,7 +210,7 @@ static void continue_until(pid_t chpid, void *addr)
 	wait_alive(chpid);
 
 	/* Obtain GPR set to tweak RIP for further execution. */
-	ptrace(PTRACE_GETREGS, chpid, 0, &regs);
+	ptrace(PTRACE_GETREGS, chpid, NULL, &regs);
 	/*
 	 * Make sure we indeed are stopped at <addr>.
 	 * XXX: RIP points right after <int 3> instruction.
@@ -223,7 +223,7 @@ static void continue_until(pid_t chpid, void *addr)
 	 * instruction at the <addr>.
 	 */
 	regs.rip -= sizeof(INT3);
-	ptrace(PTRACE_SETREGS, chpid, 0, &regs);
+	ptrace(PTRACE_SETREGS, chpid, NULL, &regs);
 	ptrace(PTRACE_POKETEXT, chpid, addr, data);
 }