From 8a81dbe6fb38acf4c970946ca3c9ce7d8e20eda0 Mon Sep 17 00:00:00 2001
From: ceriel <none@none>
Date: Mon, 3 Dec 1990 14:14:48 +0000
Subject: [PATCH] leave SIGFPE alone

---
 mach/vax4/libbsd4_1a/head_em.s | 34 +-------------------
 mach/vax4/libbsd4_2/head_em.s  | 57 +---------------------------------
 mach/vax4/libsysV_2/head_em.s  | 34 +-------------------
 3 files changed, 3 insertions(+), 122 deletions(-)

diff --git a/mach/vax4/libbsd4_1a/head_em.s b/mach/vax4/libbsd4_1a/head_em.s
index 315e21bc7..04686a496 100644
--- a/mach/vax4/libbsd4_1a/head_em.s
+++ b/mach/vax4/libbsd4_1a/head_em.s
@@ -28,50 +28,18 @@
 	pushl	r0
 	pushl	r2
 	pushl	r1
-	movl	$Im1,ap
-	chmk	(ap)+		! catch floating point exception
 	calls	$3,_m_a_i_n
 	movl	$Im2,ap
 	movl	r0,6(ap)
 	chmk	(ap)+
 	halt
 
-	.align	1
-Isig8:
-	.data2	0x0000
-	pushl	8(ap)
-	movl	(sp)+,ap
-	pushl	Itab [ap]
-	jsb	.trp
-	movl	$Im1,ap
-	chmk	(ap)+
-	ret
-
-	.sect .rom
-Im1:
-	.data2	48
-	.data4	2
-	.data4	8
-	.data4	Isig8
-
-Itab:
-	.data4	0
-	.data4	EIOVFL
-	.data4	EIDIVZ
-	.data4	EFOVFL
-	.data4	EFDIVZ
-	.data4	EFUNFL
-	.data4	EILLINS
-	.data4	EARRAY
-	.data4	EFOVFL
-	.data4	EFDIVZ
-	.data4	EFUNFL
-
 	.sect .data
 Im2:
 	.data2	1
 	.data4	1
 	.data4	0
+	.data2	0
 .reghp:
 	.data4	__end
 .limhp:
diff --git a/mach/vax4/libbsd4_2/head_em.s b/mach/vax4/libbsd4_2/head_em.s
index b339be2ba..87cac8855 100644
--- a/mach/vax4/libbsd4_2/head_em.s
+++ b/mach/vax4/libbsd4_2/head_em.s
@@ -28,61 +28,18 @@
 	pushl	r0
 	pushl	r2
 	pushl	r1
-	movl	$Im1,ap
-	chmk	(ap)+		! catch floating point exception
 	calls	$3,_m_a_i_n
 	movl	$Im2,ap
 	movl	r0,6(ap)
 	chmk	(ap)+
 	halt
 
-	.align	1
-Isig8:
-	.data2	0x0000
-	pushl	8(ap)
-	movl	$Im3,ap
-	chmk	(ap)+		! restore default handler
-	movl	$Im5,ap
-	chmk	(ap)+		! get current signal mask
-	bicl3	$0x80,r0,Im4+6	! and remove the 8th bit
-	movl	$Im4,ap
-	chmk	(ap)+		! and 
-	movl	(sp)+,ap
-	pushl	Itab [ap]
-	jsb	.trp
-	movl	$Im1,ap
-	chmk	(ap)+
-	ret
-
 	.sect .data
-Im1:
-	.data2	SYS_sigvec
-	.data4	3
-	.data4	8
-	.data4	Im1a
-	.data4	0
-Im3:
-	.data2	SYS_sigvec
-	.data4	3
-	.data4	8
-	.data4	0
-	.data4	0
-Im4:
-	.data2	SYS_sigsetmask
-	.data4	1
-	.data4	0
-Im5:
-	.data2	SYS_sigblock
-	.data4	1
-	.data4	0
-Im1a:
-	.data4	Isig8
-	.data4	0
-	.data4	0
 Im2:
 	.data2	1
 	.data4	1
 	.data4	0
+	.data2	0
 .reghp:
 	.data4	__end
 .limhp:
@@ -93,15 +50,3 @@ hol0:
 	.space	4
 .trpim:
 	.data4	0
-Itab:
-	.data4	0
-	.data4	EIOVFL
-	.data4	EIDIVZ
-	.data4	EFOVFL
-	.data4	EFDIVZ
-	.data4	EFUNFL
-	.data4	EILLINS
-	.data4	EARRAY
-	.data4	EFOVFL
-	.data4	EFDIVZ
-	.data4	EFUNFL
diff --git a/mach/vax4/libsysV_2/head_em.s b/mach/vax4/libsysV_2/head_em.s
index 315e21bc7..04686a496 100644
--- a/mach/vax4/libsysV_2/head_em.s
+++ b/mach/vax4/libsysV_2/head_em.s
@@ -28,50 +28,18 @@
 	pushl	r0
 	pushl	r2
 	pushl	r1
-	movl	$Im1,ap
-	chmk	(ap)+		! catch floating point exception
 	calls	$3,_m_a_i_n
 	movl	$Im2,ap
 	movl	r0,6(ap)
 	chmk	(ap)+
 	halt
 
-	.align	1
-Isig8:
-	.data2	0x0000
-	pushl	8(ap)
-	movl	(sp)+,ap
-	pushl	Itab [ap]
-	jsb	.trp
-	movl	$Im1,ap
-	chmk	(ap)+
-	ret
-
-	.sect .rom
-Im1:
-	.data2	48
-	.data4	2
-	.data4	8
-	.data4	Isig8
-
-Itab:
-	.data4	0
-	.data4	EIOVFL
-	.data4	EIDIVZ
-	.data4	EFOVFL
-	.data4	EFDIVZ
-	.data4	EFUNFL
-	.data4	EILLINS
-	.data4	EARRAY
-	.data4	EFOVFL
-	.data4	EFDIVZ
-	.data4	EFUNFL
-
 	.sect .data
 Im2:
 	.data2	1
 	.data4	1
 	.data4	0
+	.data2	0
 .reghp:
 	.data4	__end
 .limhp:
-- 
2.34.1