diff options
author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-03-15 19:48:20 +0000 |
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committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-03-15 19:48:20 +0000 |
commit | cef76388f7c88f6cb3803a99fbbb8f0e8a352279 (patch) | |
tree | ad2d4963ec0966f438df7d97950d5e7b9734a247 /usr.bin/pmdb/arch | |
parent | 3ef6e94aed798c336d9db3cabe5ef5aba6c1f0dc (diff) |
dunno, smth like this
Diffstat (limited to 'usr.bin/pmdb/arch')
-rw-r--r-- | usr.bin/pmdb/arch/hppa/hppa.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/usr.bin/pmdb/arch/hppa/hppa.c b/usr.bin/pmdb/arch/hppa/hppa.c new file mode 100644 index 00000000000..877ef61f134 --- /dev/null +++ b/usr.bin/pmdb/arch/hppa/hppa.c @@ -0,0 +1,106 @@ +/* $OpenBSD: hppa.c,v 1.1 2002/03/15 19:48:19 mickey Exp $ */ + +/* + * Copyright (c) 2002 Michael Shalayeff + * 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 OR HIS RELATIVES 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 MIND, 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/param.h> +#include <sys/ptrace.h> +#include <machine/reg.h> +#include "pmdb.h" + +static const char *md_reg_names[] = { + "%sar", "%r1", "%rp", "%r3", "%r4", "%r5", "%r6", "%r7", + "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15", + "%r16", "%r17", "%r18", "%r19", "%r20", "%r21", "%r22", "%r23", + "%r24", "%r25", "%r26", "%r27", "%r28", "%r29", "%r30", "%r31", + "%pc", "%npc" +}; + +struct md_def md_def = { md_reg_names, 34, 0 }; + +void +md_def_init(void) +{ + /* no need to do anything */ +} + +int +md_getframe(struct pstate *ps, int frame, struct md_frame *fram) +{ + reg fr[16]; + struct reg r; + reg fp, pc, rp; + int i; + + if (ptrace(PT_GETREGS, ps->ps_pid, (caddr_t)&r, 0) != 0) + return -1; + + if (frame == 0) { + fram->pc = r.r_pc; + fram->fp = r.r_reg[3]; + return 0; + } + + rp = r.r_reg[2]; + fp = r.r_reg[3]; + pc = r.r_pc; + + for (i = 1; i < frame; i++) { + + if (read_from_pid(ps->ps_pid, fp-60, &fr, sizeof(fr)) < 0) + return -1; + pc = rp; + fp = fr[15]; + rp = fr[10]; + } + fram->pc = pc; + fram->fp = fp; + + fram->nargs = 4; /* XXX real number is in the symtab */ + fram->args[0] = fr.r_arg0; + fram->args[1] = fr.r_arg1; + fram->args[2] = fr.r_arg2; + fram->args[3] = fr.r_arg3; + + return 0; +} + +int +md_getregs(struct pstate *ps, reg *regs) +{ + struct reg r; + int i; + + if (ptrace(PT_GETREGS, ps->ps_pid, (caddr_t)&r, 0) != 0) + return -1; + regs[0] = r.r_pc; + regs[1] = r.r_npc; + for (i = 0; i < 32; i++) + regs[2 + i] = r.r_out[i]; + + return 0; +} |