Add remote GDB bits for arm.
This commit is contained in:
Olivier Houchard
parent
e2dc286c1c
commit
be050429a3
103
sys/arm/arm/gdb_machdep.c
Normal file
103
sys/arm/arm/gdb_machdep.c
Normal file
@ -0,0 +1,103 @@
|
||||
/*-
|
||||
* Copyright (c) 2006 Olivier Houchard
|
||||
* 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/db_machdep.h>
|
||||
#include <machine/vmparam.h>
|
||||
#include <machine/pcb.h>
|
||||
#include <machine/trap.h>
|
||||
#include <machine/frame.h>
|
||||
#include <machine/endian.h>
|
||||
|
||||
#include <gdb/gdb.h>
|
||||
|
||||
static register_t stacktest;
|
||||
|
||||
void *
|
||||
gdb_cpu_getreg(int regnum, size_t *regsz)
|
||||
{
|
||||
|
||||
*regsz = gdb_cpu_regsz(regnum);
|
||||
|
||||
if (kdb_thread == curthread) {
|
||||
if (regnum < 16)
|
||||
return (&kdb_frame->tf_r0 + 4 * regnum);
|
||||
if (regnum == 25)
|
||||
return (&kdb_frame->tf_spsr);
|
||||
}
|
||||
switch (regnum) {
|
||||
case 8: return (&kdb_thrctx->un_32.pcb32_r8);
|
||||
case 9: return (&kdb_thrctx->un_32.pcb32_r9);
|
||||
case 10: return (&kdb_thrctx->un_32.pcb32_r10);
|
||||
case 11: return (&kdb_thrctx->un_32.pcb32_r11);
|
||||
case 12: return (&kdb_thrctx->un_32.pcb32_r12);
|
||||
case 13: stacktest = kdb_thrctx->un_32.pcb32_sp + 5 * 4;
|
||||
return (&stacktest);
|
||||
case 15:
|
||||
/*
|
||||
* On context switch, the PC is not put in the PCB, but
|
||||
* we can retrieve it from the stack.
|
||||
*/
|
||||
if (kdb_thrctx->un_32.pcb32_sp > KERNBASE) {
|
||||
kdb_thrctx->un_32.pcb32_pc = *(register_t *)
|
||||
(kdb_thrctx->un_32.pcb32_sp + 4 * 4);
|
||||
return (&kdb_thrctx->un_32.pcb32_pc);
|
||||
}
|
||||
}
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
void
|
||||
gdb_cpu_setreg(int regnum, void *val)
|
||||
{
|
||||
|
||||
switch (regnum) {
|
||||
case GDB_REG_PC:
|
||||
if (kdb_thread == curthread)
|
||||
kdb_frame->tf_pc = *(register_t *)val;
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
gdb_cpu_signal(int type, int code)
|
||||
{
|
||||
|
||||
switch (type) {
|
||||
case T_BREAKPOINT: return (SIGTRAP);
|
||||
}
|
||||
return (SIGEMT);
|
||||
}
|
||||
52
sys/arm/include/gdb_machdep.h
Normal file
52
sys/arm/include/gdb_machdep.h
Normal file
@ -0,0 +1,52 @@
|
||||
/*-
|
||||
* Copyright (c) 2006 Olivier Houchard
|
||||
* 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_BUFSZ 400
|
||||
#define GDB_NREGS 26
|
||||
#define GDB_REG_PC 15
|
||||
|
||||
static __inline size_t
|
||||
gdb_cpu_regsz(int regnum __unused)
|
||||
{
|
||||
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_ */
|
||||
@ -22,6 +22,7 @@ arm/arm/exception.S standard
|
||||
arm/arm/fiq.c standard
|
||||
arm/arm/fiq_subr.S standard
|
||||
arm/arm/fusu.S standard
|
||||
arm/arm/gdb_machdep.c optional gdb
|
||||
arm/arm/identcpu.c standard
|
||||
arm/arm/in_cksum.c optional inet
|
||||
arm/arm/in_cksum_arm.S optional inet
|
||||
@ -50,6 +51,13 @@ geom/geom_bsd.c standard
|
||||
geom/geom_bsd_enc.c standard
|
||||
geom/geom_mbr.c standard
|
||||
geom/geom_mbr_enc.c standard
|
||||
hal.o optional ath_hal \
|
||||
compile-with "ATH_HAL_CPU=`echo ${CONF_CFLAGS}|sed 's/.*-mcpu=\([a-zA-Z0-9]*\).*/\1/'`; ATH_ENDIAN=`if (echo ${CC}|grep mbig-endian>/dev/null); then echo be; else echo le; fi;`; uudecode < $S/contrib/dev/ath/public/$$ATH_HAL_CPU-$$ATH_ENDIAN-elf.hal.o.uu" \
|
||||
no-implicit-rule
|
||||
opt_ah.h optional ath_hal \
|
||||
compile-with "ATH_HAL_CPU=`echo ${CONF_CFLAGS}|sed 's/.*-mcpu=\([a-zA-Z0-9]*\).*/\1/'`; ATH_ENDIAN=`if (echo ${CC}|grep mbig-endian>/dev/null); then echo be; else echo le; fi;`; cp $S/contrib/dev/ath/public/$$ATH_HAL_CPU-$$ATH_ENDIAN-elf.opt_ah.h opt_ah.h" \
|
||||
no-obj no-implicit-rule before-depend \
|
||||
clean "opt_ah.h"
|
||||
libkern/arm/divsi3.S standard
|
||||
libkern/arm/ffs.S standard
|
||||
libkern/arm/muldi3.c standard
|
||||
|
||||
Loading…
Reference in New Issue
Block a user