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static void
arch_sigreturn(struct tcb *tcp)
{
/* TODO: Verify that this is correct... */
unsigned long addr;
/* Read r1, the stack pointer. */
if (upeek(tcp->pid, 1 * 4, &addr) < 0)
return;
addr += offsetof(struct sigcontext, oldmask);
tprints("{mask=");
print_sigset_addr(tcp, addr);
tprints("}");
}
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