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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 i386_cloudabi32_fetch_args(struct trussinfo *trussinfo, unsigned int narg)
43 struct current_syscall *cs;
44 struct ptrace_io_desc iorequest;
49 /* Fetch registers, containing the stack pointer. */
50 tid = trussinfo->curthread->tid;
51 if (ptrace(PT_GETREGS, tid, (caddr_t)®s, 0) == -1) {
52 fprintf(trussinfo->outfile,
53 "-- CANNOT READ REGISTERS --\n");
57 /* Fetch arguments. */
58 cs = &trussinfo->curthread->cs;
59 iorequest.piod_op = PIOD_READ_D;
60 iorequest.piod_offs = (void **)regs.r_esp + 1;
61 iorequest.piod_addr = cs->args;
62 iorequest.piod_len = sizeof(cs->args[0]) * narg;
63 if (ptrace(PT_IO, tid, (caddr_t)&iorequest, 0) == -1 ||
64 iorequest.piod_len == 0)
71 i386_cloudabi32_fetch_retval(struct trussinfo *trussinfo, long *retval,
77 tid = trussinfo->curthread->tid;
78 if (ptrace(PT_GETREGS, tid, (caddr_t)®s, 0) == -1) {
79 fprintf(trussinfo->outfile, "-- CANNOT READ REGISTERS --\n");
83 retval[0] = regs.r_eax;
84 retval[1] = regs.r_edx;
85 *errorp = (regs.r_eflags & PSL_C) != 0;
89 static struct procabi i386_cloudabi32 = {
91 SYSDECODE_ABI_CLOUDABI32,
92 i386_cloudabi32_fetch_args,
93 i386_cloudabi32_fetch_retval,
94 STAILQ_HEAD_INITIALIZER(i386_cloudabi32.extra_syscalls),
98 PROCABI(i386_cloudabi32);