Add new functions fill_fpregs() and set_fpregs(), like fill_regs()

and set_regs() but for the floating point register state.  The code
is stolen from procfs_machdep.c, and moved out of there into
machdep.c.

These functions are needed for generating ELF core dumps.

12 files changed, 99 insertions, 46 deletions

diff --git a/sys/alpha/alpha/machdep.c b/sys/alpha/alpha/machdep.c
index 26b06d6..21a970e 100644
--- a/sys/alpha/alpha/machdep.c
+++ b/sys/alpha/alpha/machdep.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: machdep.c,v 1.11 1998/08/10 07:53:58 dfr Exp $
+ *	$Id: machdep.c,v 1.12 1998/08/22 10:32:38 dfr Exp $
  */
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -1732,6 +1732,33 @@ set_regs(p, regs)
 	return (0);
 }
 
+int
+fill_fpregs(p, fpregs)
+	struct proc *p;
+	struct fpreg *fpregs;
+{
+	if (p == fpcurproc) {
+		alpha_pal_wrfen(1);
+		savefpstate(&p->p_addr->u_pcb.pcb_fp);
+		alpha_pal_wrfen(0);
+	}
+
+	bcopy(&p->p_addr->u_pcb.pcb_fp, fpregs, sizeof *fpregs);
+	return (0);
+}
+
+int
+set_fpregs(p, fpregs)
+	struct proc *p;
+	struct fpreg *fpregs;
+{
+	if (p == fpcurproc)
+		fpcurproc = NULL;
+
+	bcopy(fpregs, &p->p_addr->u_pcb.pcb_fp, sizeof *fpregs);
+	return (0);
+}
+
 #ifndef DDB
 void
 Debugger(const char *msg)
diff --git a/sys/alpha/alpha/procfs_machdep.c b/sys/alpha/alpha/procfs_machdep.c
index 11898d0..621280a 100644
--- a/sys/alpha/alpha/procfs_machdep.c
+++ b/sys/alpha/alpha/procfs_machdep.c
@@ -37,7 +37,7 @@
  *	@(#)procfs_machdep.c	8.3 (Berkeley) 1/27/94
  *
  * From:
- *	$Id: procfs_machdep.c,v 1.10 1997/07/20 08:37:22 bde Exp $
+ *	$Id: procfs_machdep.c,v 1.1 1998/06/10 10:53:04 dfr Exp $
  */
 
 /*
@@ -112,15 +112,7 @@ procfs_read_fpregs(p, fpregs)
 {
 	if ((p->p_flag & P_INMEM) == 0)
 		return (EIO);
-
-	if (p == fpcurproc) {
-		alpha_pal_wrfen(1);
-		savefpstate(&p->p_addr->u_pcb.pcb_fp);
-		alpha_pal_wrfen(0);
-	}
-
-	bcopy(&p->p_addr->u_pcb.pcb_fp, fpregs, sizeof *fpregs);
-	return (0);
+	return (fill_fpregs(p, fpregs));
 }
 
 int
@@ -130,12 +122,7 @@ procfs_write_fpregs(p, fpregs)
 {
 	if ((p->p_flag & P_INMEM) == 0)
 		return (EIO);
-
-	if (p == fpcurproc)
-		fpcurproc = NULL;
-
-	bcopy(fpregs, &p->p_addr->u_pcb.pcb_fp, sizeof *fpregs);
-	return (0);
+	return (set_fpregs(p, fpregs));
 }
 
 int
diff --git a/sys/alpha/include/md_var.h b/sys/alpha/include/md_var.h
index 3dfdad2..cd2e667 100644
--- a/sys/alpha/include/md_var.h
+++ b/sys/alpha/include/md_var.h
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: md_var.h,v 1.1 1998/06/10 10:55:11 dfr Exp $
+ *	$Id: md_var.h,v 1.2 1998/07/12 16:32:09 dfr Exp $
  */
 
 #ifndef _MACHINE_MD_VAR_H_
@@ -39,6 +39,10 @@ extern	int	szsigcode;
 extern	int	Maxmem;
 extern	void	(*netisrs[32]) __P((void));
 
+struct fpreg;
+struct proc;
+struct reg;
+
 void	cpu_power_down __P((void));
 void	cpu_halt __P((void));
 void	cpu_reset __P((void));
@@ -47,5 +51,7 @@ void	swi_vm __P((void));
 int	vm_page_zero_idle __P((void));
 int	fill_regs __P((struct proc *, struct reg *));
 int	set_regs __P((struct proc *, struct reg *));
+int	fill_fpregs __P((struct proc *, struct fpreg *));
+int	set_fpregs __P((struct proc *, struct fpreg *));
 
 #endif /* !_MACHINE_MD_VAR_H_ */
diff --git a/sys/amd64/amd64/machdep.c b/sys/amd64/amd64/machdep.c
index 69ad611..12cfb08 100644
--- a/sys/amd64/amd64/machdep.c
+++ b/sys/amd64/amd64/machdep.c
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)machdep.c	7.4 (Berkeley) 6/3/91
- *	$Id: machdep.c,v 1.307 1998/09/01 02:04:12 kato Exp $
+ *	$Id: machdep.c,v 1.308 1998/09/14 11:47:40 abial Exp $
  */
 
 #include "apm.h"
@@ -1795,6 +1795,24 @@ set_regs(p, regs)
 	return (0);
 }
 
+int
+fill_fpregs(p, fpregs)
+	struct proc *p;
+	struct fpreg *fpregs;
+{
+	bcopy(&p->p_addr->u_pcb.pcb_savefpu, fpregs, sizeof *fpregs);
+	return (0);
+}
+
+int
+set_fpregs(p, fpregs)
+	struct proc *p;
+	struct fpreg *fpregs;
+{
+	bcopy(fpregs, &p->p_addr->u_pcb.pcb_savefpu, sizeof *fpregs);
+	return (0);
+}
+
 #ifndef DDB
 void
 Debugger(const char *msg)
diff --git a/sys/amd64/include/md_var.h b/sys/amd64/include/md_var.h
index 0db9334..de71059 100644
--- a/sys/amd64/include/md_var.h
+++ b/sys/amd64/include/md_var.h
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: md_var.h,v 1.23 1998/02/01 23:00:53 bde Exp $
+ *	$Id: md_var.h,v 1.24 1998/07/11 05:59:35 bde Exp $
  */
 
 #ifndef _MACHINE_MD_VAR_H_
@@ -64,6 +64,7 @@ extern	int	szsigcode;
 typedef void alias_for_inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
 struct	proc;
 struct	reg;
+struct	fpreg;
 
 void	bcopyb __P((const void *from, void *to, size_t len));
 void	busdma_swi __P((void));
@@ -78,6 +79,7 @@ void	doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds));
 void	doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault));
 void	doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es));
 void	doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault));
+int	fill_fpregs __P((struct proc *, struct fpreg *));
 int	fill_regs __P((struct proc *p, struct reg *regs));
 void	fillw __P((int /*u_short*/ pat, void *base, size_t cnt));
 int	is_physical_memory __P((vm_offset_t addr));
diff --git a/sys/amd64/include/reg.h b/sys/amd64/include/reg.h
index 5d36f27..3e97fc1 100644
--- a/sys/amd64/include/reg.h
+++ b/sys/amd64/include/reg.h
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)reg.h	5.5 (Berkeley) 1/18/91
- *	$Id: reg.h,v 1.14 1997/06/07 00:49:45 bde Exp $
+ *	$Id: reg.h,v 1.15 1997/06/07 04:36:06 bde Exp $
  */
 
 #ifndef _MACHINE_REG_H_
@@ -122,6 +122,7 @@ struct fpreg {
 /*
  * XXX these interfaces are MI, so they should be declared in a MI place.
  */
+int	set_fpregs __P((struct proc *, struct fpreg *));
 int	set_regs __P((struct proc *p, struct reg *regs));
 void	setregs __P((struct proc *, u_long, u_long));
 #endif
diff --git a/sys/i386/i386/machdep.c b/sys/i386/i386/machdep.c
index 69ad611..12cfb08 100644
--- a/sys/i386/i386/machdep.c
+++ b/sys/i386/i386/machdep.c
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)machdep.c	7.4 (Berkeley) 6/3/91
- *	$Id: machdep.c,v 1.307 1998/09/01 02:04:12 kato Exp $
+ *	$Id: machdep.c,v 1.308 1998/09/14 11:47:40 abial Exp $
  */
 
 #include "apm.h"
@@ -1795,6 +1795,24 @@ set_regs(p, regs)
 	return (0);
 }
 
+int
+fill_fpregs(p, fpregs)
+	struct proc *p;
+	struct fpreg *fpregs;
+{
+	bcopy(&p->p_addr->u_pcb.pcb_savefpu, fpregs, sizeof *fpregs);
+	return (0);
+}
+
+int
+set_fpregs(p, fpregs)
+	struct proc *p;
+	struct fpreg *fpregs;
+{
+	bcopy(fpregs, &p->p_addr->u_pcb.pcb_savefpu, sizeof *fpregs);
+	return (0);
+}
+
 #ifndef DDB
 void
 Debugger(const char *msg)
diff --git a/sys/i386/i386/procfs_machdep.c b/sys/i386/i386/procfs_machdep.c
index d8e60b9..03a8d9d 100644
--- a/sys/i386/i386/procfs_machdep.c
+++ b/sys/i386/i386/procfs_machdep.c
@@ -37,7 +37,7 @@
  *	@(#)procfs_machdep.c	8.3 (Berkeley) 1/27/94
  *
  * From:
- *	$Id: procfs_machdep.c,v 1.9 1997/02/22 09:32:44 peter Exp $
+ *	$Id: procfs_machdep.c,v 1.10 1997/07/20 08:37:22 bde Exp $
  */
 
 /*
@@ -112,8 +112,7 @@ procfs_read_fpregs(p, fpregs)
 {
 	if ((p->p_flag & P_INMEM) == 0)
 		return (EIO);
-	bcopy(&p->p_addr->u_pcb.pcb_savefpu, fpregs, sizeof *fpregs);
-	return (0);
+	return (fill_fpregs(p, fpregs));
 }
 
 int
@@ -123,8 +122,7 @@ procfs_write_fpregs(p, fpregs)
 {
 	if ((p->p_flag & P_INMEM) == 0)
 		return (EIO);
-	bcopy(fpregs, &p->p_addr->u_pcb.pcb_savefpu, sizeof *fpregs);
-	return (0);
+	return (set_fpregs(p, fpregs));
 }
 
 int
diff --git a/sys/i386/include/md_var.h b/sys/i386/include/md_var.h
index 0db9334..de71059 100644
--- a/sys/i386/include/md_var.h
+++ b/sys/i386/include/md_var.h
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: md_var.h,v 1.23 1998/02/01 23:00:53 bde Exp $
+ *	$Id: md_var.h,v 1.24 1998/07/11 05:59:35 bde Exp $
  */
 
 #ifndef _MACHINE_MD_VAR_H_
@@ -64,6 +64,7 @@ extern	int	szsigcode;
 typedef void alias_for_inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
 struct	proc;
 struct	reg;
+struct	fpreg;
 
 void	bcopyb __P((const void *from, void *to, size_t len));
 void	busdma_swi __P((void));
@@ -78,6 +79,7 @@ void	doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds));
 void	doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault));
 void	doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es));
 void	doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault));
+int	fill_fpregs __P((struct proc *, struct fpreg *));
 int	fill_regs __P((struct proc *p, struct reg *regs));
 void	fillw __P((int /*u_short*/ pat, void *base, size_t cnt));
 int	is_physical_memory __P((vm_offset_t addr));
diff --git a/sys/i386/include/reg.h b/sys/i386/include/reg.h
index 5d36f27..3e97fc1 100644
--- a/sys/i386/include/reg.h
+++ b/sys/i386/include/reg.h
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)reg.h	5.5 (Berkeley) 1/18/91
- *	$Id: reg.h,v 1.14 1997/06/07 00:49:45 bde Exp $
+ *	$Id: reg.h,v 1.15 1997/06/07 04:36:06 bde Exp $
  */
 
 #ifndef _MACHINE_REG_H_
@@ -122,6 +122,7 @@ struct fpreg {
 /*
  * XXX these interfaces are MI, so they should be declared in a MI place.
  */
+int	set_fpregs __P((struct proc *, struct fpreg *));
 int	set_regs __P((struct proc *p, struct reg *regs));
 void	setregs __P((struct proc *, u_long, u_long));
 #endif
diff --git a/sys/powerpc/include/md_var.h b/sys/powerpc/include/md_var.h
index 3dfdad2..cd2e667 100644
--- a/sys/powerpc/include/md_var.h
+++ b/sys/powerpc/include/md_var.h
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: md_var.h,v 1.1 1998/06/10 10:55:11 dfr Exp $
+ *	$Id: md_var.h,v 1.2 1998/07/12 16:32:09 dfr Exp $
  */
 
 #ifndef _MACHINE_MD_VAR_H_
@@ -39,6 +39,10 @@ extern	int	szsigcode;
 extern	int	Maxmem;
 extern	void	(*netisrs[32]) __P((void));
 
+struct fpreg;
+struct proc;
+struct reg;
+
 void	cpu_power_down __P((void));
 void	cpu_halt __P((void));
 void	cpu_reset __P((void));
@@ -47,5 +51,7 @@ void	swi_vm __P((void));
 int	vm_page_zero_idle __P((void));
 int	fill_regs __P((struct proc *, struct reg *));
 int	set_regs __P((struct proc *, struct reg *));
+int	fill_fpregs __P((struct proc *, struct fpreg *));
+int	set_fpregs __P((struct proc *, struct fpreg *));
 
 #endif /* !_MACHINE_MD_VAR_H_ */
diff --git a/sys/powerpc/powerpc/procfs_machdep.c b/sys/powerpc/powerpc/procfs_machdep.c
index 11898d0..621280a 100644
--- a/sys/powerpc/powerpc/procfs_machdep.c
+++ b/sys/powerpc/powerpc/procfs_machdep.c
@@ -37,7 +37,7 @@
  *	@(#)procfs_machdep.c	8.3 (Berkeley) 1/27/94
  *
  * From:
- *	$Id: procfs_machdep.c,v 1.10 1997/07/20 08:37:22 bde Exp $
+ *	$Id: procfs_machdep.c,v 1.1 1998/06/10 10:53:04 dfr Exp $
  */
 
 /*
@@ -112,15 +112,7 @@ procfs_read_fpregs(p, fpregs)
 {
 	if ((p->p_flag & P_INMEM) == 0)
 		return (EIO);
-
-	if (p == fpcurproc) {
-		alpha_pal_wrfen(1);
-		savefpstate(&p->p_addr->u_pcb.pcb_fp);
-		alpha_pal_wrfen(0);
-	}
-
-	bcopy(&p->p_addr->u_pcb.pcb_fp, fpregs, sizeof *fpregs);
-	return (0);
+	return (fill_fpregs(p, fpregs));
 }
 
 int
@@ -130,12 +122,7 @@ procfs_write_fpregs(p, fpregs)
 {
 	if ((p->p_flag & P_INMEM) == 0)
 		return (EIO);
-
-	if (p == fpcurproc)
-		fpcurproc = NULL;
-
-	bcopy(fpregs, &p->p_addr->u_pcb.pcb_fp, sizeof *fpregs);
-	return (0);
+	return (set_fpregs(p, fpregs));
 }
 
 int