From: deraadt <deraadt@openbsd.org>
Date: Mon, 3 Feb 1997 11:38:05 +0000 (+0000)
Subject: SA_SIGINFO implementation
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=a770a760e508040c63db89bae0a5afcc9ae0d016;p=openbsd

SA_SIGINFO implementation
---

diff --git a/sys/arch/amiga/amiga/locore.s b/sys/arch/amiga/amiga/locore.s
index a10545bb671..ec274be347c 100644
--- a/sys/arch/amiga/amiga/locore.s
+++ b/sys/arch/amiga/amiga/locore.s
@@ -1,4 +1,4 @@
-/*	$OpenBSD: locore.s,v 1.13 1997/01/16 09:23:22 niklas Exp $	*/
+/*	$OpenBSD: locore.s,v 1.14 1997/02/03 11:38:05 deraadt Exp $	*/
 /*	$NetBSD: locore.s,v 1.72 1996/12/17 11:09:10 is Exp $	*/
 
 /*
@@ -1149,8 +1149,9 @@ _proc_trampoline:
  *	sp+0 ->	signal number
  *	sp+4	signal specific code
  *	sp+8	pointer to signal context frame (scp)
- *	sp+12	address of handler
- *	sp+16	saved hardware state
+ *	sp+12	pointer to siginfo (sip)
+ *	sp+16	address of handler
+ *	sp+30	saved hardware state
  *			.
  *			.
  *	scp+0->	beginning of signal context frame
@@ -1158,7 +1159,7 @@ _proc_trampoline:
 	.globl	_sigcode, _esigcode
 	.data
 _sigcode:
-	movl	sp@(12),a0		| signal handler addr	(4 bytes)
+	movl	sp@(16),a0		| signal handler addr	(4 bytes)
 	jsr	a0@			| call signal handler	(2 bytes)
 	addql	#4,sp			| pop signo		(2 bytes)
 	trap	#1			| special syscall entry	(2 bytes)
diff --git a/sys/arch/amiga/amiga/machdep.c b/sys/arch/amiga/amiga/machdep.c
index 5796b561a68..0b51f1b67c1 100644
--- a/sys/arch/amiga/amiga/machdep.c
+++ b/sys/arch/amiga/amiga/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.18 1997/01/18 12:48:01 niklas Exp $	*/
+/*	$OpenBSD: machdep.c,v 1.19 1997/02/03 11:38:08 deraadt Exp $	*/
 /*	$NetBSD: machdep.c,v 1.82 1996/12/17 07:32:54 is Exp $	*/
 
 /*
@@ -727,9 +727,11 @@ struct sigframe {
 	int	sf_signum;		/* signo for handler */
 	int	sf_code;		/* additional info for handler */
 	struct	sigcontext *sf_scp;	/* context ptr for handler */
+	siginfo_t *sf_sip;
 	sig_t	sf_handler;		/* handler addr for u_sigc */
 	struct	sigstate sf_state;	/* state of the hardware */
 	struct	sigcontext sf_sc;	/* actual context */
+	siginfo_t sf_si;
 };
 
 #ifdef DEBUG
@@ -744,10 +746,12 @@ int sigpid = 0;
  * Send an interrupt to process.
  */
 void
-sendsig(catcher, sig, mask, code)
+sendsig(catcher, sig, mask, code, type, val)
 	sig_t catcher;
 	int sig, mask;
 	u_long code;
+	int type;
+	union sigval val;
 {
 	register struct proc *p = curproc;
 	register struct sigframe *fp, *kfp;
@@ -871,6 +875,12 @@ printf("sendsig %d %d %x %x %x\n", p->p_pid, sig, mask, code, catcher);
 	kfp->sf_sc.sc_ap = (int)&fp->sf_state;
 	kfp->sf_sc.sc_pc = frame->f_pc;
 	kfp->sf_sc.sc_ps = frame->f_sr;
+
+	if (psp->ps_siginfo & sigmask(sig)) {
+		kfp->sf_sip = &kfp->sf_si;
+		initsiginfo(kfp->sf_sip, sig, code, type, val);
+	}
+
 	(void) copyout((caddr_t)kfp, (caddr_t)fp, sizeof(struct sigframe));
 	frame->f_regs[SP] = (int)fp;
 #ifdef DEBUG
diff --git a/sys/arch/amiga/amiga/trap.c b/sys/arch/amiga/amiga/trap.c
index 8e22cb712e3..bd0023b2999 100644
--- a/sys/arch/amiga/amiga/trap.c
+++ b/sys/arch/amiga/amiga/trap.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: trap.c,v 1.10 1997/01/19 13:53:12 niklas Exp $	*/
+/*	$OpenBSD: trap.c,v 1.11 1997/02/03 11:38:10 deraadt Exp $	*/
 /*	$NetBSD: trap.c,v 1.53 1997/01/16 15:30:57 gwr Exp $	*/
 
 /*
@@ -508,7 +508,7 @@ nogo:
 		       type, code);
 		panictrap(type, code, v, fp);
 	}
-	trapsignal(p, SIGSEGV, v);
+	trapsignal(p, SIGSEGV, v, T_MMUFLT, (caddr_t)v);
 	if ((type & T_USER) == 0)
 		return;
 	userret(p, fp->f_pc, sticks); 
@@ -528,13 +528,13 @@ trap(type, code, v, frame)
 	struct proc *p;
 	u_int ucode;
 	u_quad_t sticks = 0;
-	int i;
+	int typ, i;
 #ifdef COMPAT_SUNOS
 	extern struct emul emul_sunos;
 #endif
 
 	p = curproc;
-	ucode = 0;
+	typ = ucode = 0;
 	cnt.v_trap++;
 
 	if (USERMODE(frame.f_sr)) {
@@ -570,24 +570,44 @@ trap(type, code, v, frame)
 	 * User Bus/Addr error.
 	 */
 	case T_BUSERR|T_USER:
+		ucode = code & ~T_USER;
+		typ = BUS_OBJERR;
+		i = SIGBUS;
+		break;
 	case T_ADDRERR|T_USER:
+		ucode = code & ~T_USER;
+		typ = BUS_ADRALN;
 		i = SIGBUS;
 		break;
 	/*
 	 * User illegal/privleged inst fault
 	 */
 	case T_ILLINST|T_USER:
+		ucode = frame.f_format;	/* XXX was ILL_PRIVIN_FAULT */
+		typ = ILL_ILLOPC;
+		i = SIGILL;
+		break;
 	case T_PRIVINST|T_USER:
 		ucode = frame.f_format;	/* XXX was ILL_PRIVIN_FAULT */
+		typ = ILL_PRVOPC;
 		i = SIGILL;
 		break;
 	/*
 	 * divde by zero, CHK/TRAPV inst 
 	 */
 	case T_ZERODIV|T_USER:
+		ucode = frame.f_format;
+		typ = FPE_INTDIV;
+		i = SIGFPE;
+		break;
 	case T_CHKINST|T_USER:
+		ucode = frame.f_format;
+		typ = FPE_FLTSUB;
+		i = SIGFPE;
+		break;
 	case T_TRAPVINST|T_USER:
 		ucode = frame.f_format;
+		typ = FPE_FLTOVF;
 		i = SIGFPE;
 		break;
 #ifdef FPCOPROC
@@ -596,6 +616,7 @@ trap(type, code, v, frame)
 	 */
 	case T_COPERR|T_USER:
 		ucode = 0;
+		typ = FPE_FLTINV;
 		i = SIGFPE;	/* XXX What is a proper response here? */
 		break;
 	/* 
@@ -613,6 +634,7 @@ trap(type, code, v, frame)
 		 * there is no clash.
 		 */
 		ucode = code;
+		typ = FPE_FLTRES;
 		i = SIGFPE;
 		break;
 	/* 
@@ -639,6 +661,7 @@ trap(type, code, v, frame)
 		p->p_sigignore &= ~i;
 		p->p_sigcatch &= ~i;
 		p->p_sigmask &= ~i;
+		typ = ILL_COPROC;
 		i = SIGILL;
 		ucode = frame.f_format;	/* XXX was ILL_RESAD_FAULT */
 		break;
@@ -656,6 +679,7 @@ trap(type, code, v, frame)
 	case T_TRACE:
 	case T_TRAP15:
 		frame.f_sr &= ~PSL_T;
+		typ = TRAP_TRACE;
 		i = SIGTRAP;
 		break;
 	case T_TRACE|T_USER:
@@ -673,6 +697,7 @@ trap(type, code, v, frame)
 		}
 #endif
 		frame.f_sr &= ~PSL_T;
+		typ = TRAP_TRACE;
 		i = SIGTRAP;
 		break;
 	/* 
@@ -713,7 +738,7 @@ trap(type, code, v, frame)
 		printf("trapsignal(%d, %d, %d, %x, %x)\n", p->p_pid, i,
 		    ucode, v, frame.f_pc);
 #endif
-	trapsignal(p, i, ucode);
+	trapsignal(p, i, ucode, typ, (caddr_t)ucode);
 	if ((type & T_USER) == 0)
 		return;
 	userret(p, frame.f_pc, sticks);