2 * Copyright (c) 2015 Nuxi, https://nuxi.nl/
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
29 #include <sys/param.h>
30 #include <sys/ptrace.h>
32 #include <machine/psl.h>
35 #include <sysdecode.h>
40 amd64_cloudabi64_fetch_args(struct trussinfo *trussinfo, unsigned int narg)
42 struct current_syscall *cs;
46 tid = trussinfo->curthread->tid;
47 if (ptrace(PT_GETREGS, tid, (caddr_t)®s, 0) == -1) {
48 fprintf(trussinfo->outfile, "-- CANNOT READ REGISTERS --\n");
52 cs = &trussinfo->curthread->cs;
54 cs->args[0] = regs.r_rdi;
56 cs->args[1] = regs.r_rsi;
58 cs->args[2] = regs.r_rdx;
60 cs->args[3] = regs.r_rcx;
62 cs->args[4] = regs.r_r8;
64 cs->args[5] = regs.r_r9;
69 amd64_cloudabi64_fetch_retval(struct trussinfo *trussinfo, long *retval,
75 tid = trussinfo->curthread->tid;
76 if (ptrace(PT_GETREGS, tid, (caddr_t)®s, 0) == -1) {
77 fprintf(trussinfo->outfile, "-- CANNOT READ REGISTERS --\n");
81 retval[0] = regs.r_rax;
82 retval[1] = regs.r_rdx;
83 *errorp = (regs.r_rflags & PSL_C) != 0;
87 static struct procabi amd64_cloudabi64 = {
89 SYSDECODE_ABI_CLOUDABI64,
90 amd64_cloudabi64_fetch_args,
91 amd64_cloudabi64_fetch_retval
94 PROCABI(amd64_cloudabi64);