diff options
Diffstat (limited to 'usr.bin/pmdb/arch')
| -rw-r--r-- | usr.bin/pmdb/arch/arm/Makefile.inc | 1 | ||||
| -rw-r--r-- | usr.bin/pmdb/arch/arm/arm.c | 92 | ||||
| -rw-r--r-- | usr.bin/pmdb/arch/arm/pmdb_machdep.h | 30 |
3 files changed, 123 insertions, 0 deletions
diff --git a/usr.bin/pmdb/arch/arm/Makefile.inc b/usr.bin/pmdb/arch/arm/Makefile.inc new file mode 100644 index 00000000000..176665cf595 --- /dev/null +++ b/usr.bin/pmdb/arch/arm/Makefile.inc @@ -0,0 +1 @@ +SRCS+=arm.c diff --git a/usr.bin/pmdb/arch/arm/arm.c b/usr.bin/pmdb/arch/arm/arm.c new file mode 100644 index 00000000000..bc0965bb294 --- /dev/null +++ b/usr.bin/pmdb/arch/arm/arm.c @@ -0,0 +1,92 @@ +/* $OpenBSD: arm.c,v 1.1 2004/02/02 19:42:26 drahn Exp $ */ +/* + * Copyright (c) 2002 Dale Rahn <drahn@openbsd.org> + * 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. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``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. + */ + + +#include <stddef.h> +#include <sys/param.h> +#include <sys/ptrace.h> +#include <machine/reg.h> +#include <machine/frame.h> +#include <string.h> +#include "pmdb.h" + +static const char *md_reg_names[] = { + "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", + "r8", "r9", "r10","r11","r12","sp", "lr", "pc", "cpsr" +}; + +struct md_def md_def = { md_reg_names, 16, 16}; + +void +md_def_init(void) +{ + /* no need to do anything */ +} + +int +md_getframe(struct pstate *ps, int frame, struct md_frame *fram) +{ + struct reg r; + reg fp, pc; + int i; + + if (process_getregs(ps, &r)) + return (-1); + fp = r.r_sp; + if (frame == 0) { + pc = r.r_pc; + goto out; + } + pc = r.r_lr; + for (i = 1; i < frame; i++) { + if (fp != (fp & ~7)) { /* should be 0xf */ + return -1; + } + if (process_read(ps, fp, &fp, sizeof(fp)) < 0) + return -1; + if (process_read(ps, fp+4, &pc, sizeof(pc)) < 0) + return -1; + if (fp == 0) { + return -1; + } + } +out: + fram->pc = pc; + fram->fp = fp; + fram->nargs = 0; + return 0; +} + +int +md_getregs(struct pstate *ps, reg *regs) +{ + struct reg md_reg; + if (process_getregs(ps, &md_reg)) + return -1; + memcpy(regs, &md_reg, 32 * sizeof(long)); + memcpy(®s[32], &md_reg.r_pc, 7 * sizeof(long)); + return 0; +} diff --git a/usr.bin/pmdb/arch/arm/pmdb_machdep.h b/usr.bin/pmdb/arch/arm/pmdb_machdep.h new file mode 100644 index 00000000000..021fe0e7b6f --- /dev/null +++ b/usr.bin/pmdb/arch/arm/pmdb_machdep.h @@ -0,0 +1,30 @@ +/* $OpenBSD: pmdb_machdep.h,v 1.1 2004/02/02 19:42:26 drahn Exp $ */ +/* + * Copyright (c) 2002 Dale Rahn <drahn@openbsd.org> + * 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. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``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. + */ + +/* SWI */ +#define BREAKPOINT { 0xef, 0xaf, 0xff, 0xff } +#define BREAKPOINT_LEN 4 +#define BREAKPOINT_DECR_PC 4 |