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Enhance msgsnd() parser

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* ipc.c (tprint_msgsnd): New function.  Move msgsnd parser code here,
add check for umove() return code.
(sys_msgsnd): Use tprint_msgsnd().
This commit is contained in:
Дмитрий Левин 2009-10-08 23:33:15 +00:00
parent d7bb8b49cc
commit 783f5bc24c
1 changed files with 18 additions and 17 deletions
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35
ipc.c
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@ -211,29 +211,30 @@ struct tcb *tcp;
return 0;
}
int sys_msgsnd(tcp)
struct tcb *tcp;
static void
tprint_msgsnd(struct tcb *tcp, long addr, unsigned long count)
{
long mtype;
if (umove(tcp, addr, &mtype) < 0) {
tprintf("%#lx", addr);
} else {
tprintf("{%lu, ", mtype);
printstr(tcp, addr + sizeof(mtype), count);
tprintf("}");
}
tprintf(", %lu, ", count);
printflags(msg_flags, tcp->u_arg[3], "MSG_???");
}
int sys_msgsnd(struct tcb *tcp)
{
if (entering(tcp)) {
tprintf("%lu", tcp->u_arg[0]);
tprintf("%lu, ", tcp->u_arg[0]);
if (indirect_ipccall(tcp)) {
umove(tcp, tcp->u_arg[3], &mtype);
tprintf(", {%lu, ", mtype);
printstr(tcp, tcp->u_arg[3] + sizeof(long),
tcp->u_arg[1]);
tprintf("}, %lu", tcp->u_arg[1]);
tprintf(", ");
printflags(msg_flags, tcp->u_arg[2], "MSG_???");
tprint_msgsnd(tcp, tcp->u_arg[3], tcp->u_arg[1]);
} else {
umove(tcp, tcp->u_arg[1], &mtype);
tprintf(", {%lu, ", mtype);
printstr(tcp, tcp->u_arg[1] + sizeof(long),
tcp->u_arg[2]);
tprintf("}, %lu", tcp->u_arg[2]);
tprintf(", ");
printflags(msg_flags, tcp->u_arg[3], "MSG_???");
tprint_msgsnd(tcp, tcp->u_arg[1], tcp->u_arg[2]);
}
}
return 0;