Add skeletal support for GDB. In particular gdb_cpu_getreg() needs
implementing to make GDB support usable.
This commit is contained in:
parent
9eb5ad2319
commit
512b2fb1b5
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=161588
@ -52,6 +52,7 @@ powerpc/powerpc/cpu.c standard
|
||||
powerpc/powerpc/elf_machdep.c standard
|
||||
powerpc/powerpc/fpu.c standard
|
||||
powerpc/powerpc/fuswintr.c standard
|
||||
powerpc/powerpc/gdb_machdep.c optional gdb
|
||||
powerpc/powerpc/in_cksum.c optional inet
|
||||
powerpc/powerpc/interrupt.c standard
|
||||
powerpc/powerpc/intr_machdep.c standard
|
||||
@ -121,6 +122,7 @@ powerpc/powermac/macio.c optional powermac pci
|
||||
powerpc/powermac/openpic_macio.c optional powermac pci
|
||||
powerpc/powermac/pswitch.c optional powermac pswitch
|
||||
powerpc/powermac/uninorth.c optional powermac pci
|
||||
powerpc/powermac/viapmu.c optional powermac
|
||||
|
||||
powerpc/psim/iobus.c optional psim
|
||||
powerpc/psim/ata_iobus.c optional ata psim
|
||||
|
53
sys/powerpc/include/gdb_machdep.h
Normal file
53
sys/powerpc/include/gdb_machdep.h
Normal file
@ -0,0 +1,53 @@
|
||||
/*-
|
||||
* Copyright (c) 2006 Marcel Moolenaar
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _MACHINE_GDB_MACHDEP_H_
|
||||
#define _MACHINE_GDB_MACHDEP_H_
|
||||
|
||||
#define GDB_NREGS 153
|
||||
#define GDB_REG_PC 64
|
||||
|
||||
#define GDB_BUFSZ (GDB_NREGS*4)
|
||||
|
||||
static __inline size_t
|
||||
gdb_cpu_regsz(int regnum)
|
||||
{
|
||||
return (sizeof(int));
|
||||
}
|
||||
|
||||
static __inline int
|
||||
gdb_cpu_query(void)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
void *gdb_cpu_getreg(int, size_t *);
|
||||
void gdb_cpu_setreg(int, void *);
|
||||
int gdb_cpu_signal(int, int);
|
||||
|
||||
#endif /* !_MACHINE_GDB_MACHDEP_H_ */
|
72
sys/powerpc/powerpc/gdb_machdep.c
Normal file
72
sys/powerpc/powerpc/gdb_machdep.c
Normal file
@ -0,0 +1,72 @@
|
||||
/*-
|
||||
* Copyright (c) 2006 Marcel Moolenaar
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/kdb.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/proc.h>
|
||||
#include <sys/signal.h>
|
||||
|
||||
#include <machine/gdb_machdep.h>
|
||||
#include <machine/pcb.h>
|
||||
#include <machine/reg.h>
|
||||
#include <machine/trap.h>
|
||||
|
||||
#include <gdb/gdb.h>
|
||||
#include <gdb/gdb_int.h>
|
||||
|
||||
void *
|
||||
gdb_cpu_getreg(int regnum, size_t *regsz)
|
||||
{
|
||||
|
||||
*regsz = gdb_cpu_regsz(regnum);
|
||||
switch (regnum) {
|
||||
}
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
void
|
||||
gdb_cpu_setreg(int regnum, void *val)
|
||||
{
|
||||
|
||||
switch (regnum) {
|
||||
case GDB_REG_PC:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
gdb_cpu_signal(int vector, int dummy __unused)
|
||||
{
|
||||
|
||||
if (vector == EXC_TRC || vector == EXC_RUNMODETRC)
|
||||
return (SIGTRAP);
|
||||
return (vector);
|
||||
}
|
Loading…
Reference in New Issue
Block a user