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
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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>
36 #include <sysdecode.h>
41 amd64_cloudabi64_fetch_args(struct trussinfo *trussinfo, unsigned int narg)
43 struct current_syscall *cs;
47 tid = trussinfo->curthread->tid;
48 if (ptrace(PT_GETREGS, tid, (caddr_t)®s, 0) == -1) {
49 fprintf(trussinfo->outfile, "-- CANNOT READ REGISTERS --\n");
53 cs = &trussinfo->curthread->cs;
55 cs->args[0] = regs.r_rdi;
57 cs->args[1] = regs.r_rsi;
59 cs->args[2] = regs.r_rdx;
61 cs->args[3] = regs.r_rcx;
63 cs->args[4] = regs.r_r8;
65 cs->args[5] = regs.r_r9;
70 amd64_cloudabi64_fetch_retval(struct trussinfo *trussinfo, long *retval,
76 tid = trussinfo->curthread->tid;
77 if (ptrace(PT_GETREGS, tid, (caddr_t)®s, 0) == -1) {
78 fprintf(trussinfo->outfile, "-- CANNOT READ REGISTERS --\n");
82 retval[0] = regs.r_rax;
83 retval[1] = regs.r_rdx;
84 *errorp = (regs.r_rflags & PSL_C) != 0;
88 static struct procabi amd64_cloudabi64 = {
90 SYSDECODE_ABI_CLOUDABI64,
91 amd64_cloudabi64_fetch_args,
92 amd64_cloudabi64_fetch_retval,
93 STAILQ_HEAD_INITIALIZER(amd64_cloudabi64.extra_syscalls),
97 PROCABI(amd64_cloudabi64);