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.
This commit is contained in:
John Polstra 1998-09-14 22:43:40 +00:00
parent 011ee1102f
commit 1a291e0cd4
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=39197
12 changed files with 99 additions and 46 deletions

View File

@ -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)

View File

@ -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

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@ -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_ */

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@ -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)

View File

@ -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));

View File

@ -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

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@ -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)

View File

@ -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

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@ -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));

View File

@ -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

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@ -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_ */

View File

@ -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