patch-2.4.22 linux-2.4.22/arch/arm/kernel/signal.c

• Lines: 49
• Date: 2003-08-25 04:44:39.000000000 -0700
• Orig file: linux-2.4.21/arch/arm/kernel/signal.c
• Orig date: 2002-08-02 17:39:42.000000000 -0700

diff -urN linux-2.4.21/arch/arm/kernel/signal.c linux-2.4.22/arch/arm/kernel/signal.c
@@ -405,7 +405,7 @@
 	regs->ARM_r0 = usig;
 	regs->ARM_sp = (unsigned long)frame;
 	regs->ARM_lr = retcode;
-	regs->ARM_pc = handler & (thumb ? ~1 : ~3);
+	regs->ARM_pc = handler;
 
 #ifdef CONFIG_CPU_32
 	regs->ARM_cpsr = cpsr;
@@ -466,8 +466,8 @@
 		 * arguments for the signal handler.
 		 *   -- Peter Maydell <pmaydell@chiark.greenend.org.uk> 2000-12-06
 		 */
-		regs->ARM_r1 = (unsigned long)frame->pinfo;
-		regs->ARM_r2 = (unsigned long)frame->puc;
+		regs->ARM_r1 = (unsigned long)&frame->info;
+		regs->ARM_r2 = (unsigned long)&frame->uc;
 	}
 
 	return err;
@@ -613,7 +613,7 @@
 				continue;
 
 			switch (signr) {
-			case SIGCONT: case SIGCHLD: case SIGWINCH:
+			case SIGCONT: case SIGCHLD: case SIGWINCH: case SIGURG:
 				continue;
 
 			case SIGTSTP: case SIGTTIN: case SIGTTOU:
@@ -621,13 +621,17 @@
 					continue;
 				/* FALLTHRU */
 
-			case SIGSTOP:
+			case SIGSTOP: {
+				struct signal_struct *sig;
 				current->state = TASK_STOPPED;
 				current->exit_code = signr;
-				if (!(current->p_pptr->sig->action[SIGCHLD-1].sa.sa_flags & SA_NOCLDSTOP))
+				sig = current->p_pptr->sig;
+				if (sig && !(sig->action[SIGCHLD-1].sa.sa_flags & SA_NOCLDSTOP))
 					notify_parent(current, SIGCHLD);
 				schedule();
+				single_stepping |= ptrace_cancel_bpt(current);
 				continue;
+			}
 
 			case SIGQUIT: case SIGILL: case SIGTRAP:
 			case SIGABRT: case SIGFPE: case SIGSEGV: