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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 1995-2009 Russell King
* Copyright (C) 2012 ARM Ltd.
* Copyright (C) 2018 Cavium Networks.
* Yury Norov <ynorov@caviumnetworks.com>
*/
#include <linux/compat.h>
#include <linux/signal.h>
#include <linux/syscalls.h>
#include <asm/fpsimd.h>
#include <asm/unistd.h>
#include <asm/ucontext.h>
#include <asm/vdso.h>
#include <asm/signal_ilp32.h>
#include <asm/signal32_common.h>
#define get_sigset(s, m) get_sigset_t(s, m)
#define put_sigset(s, m) put_sigset_t(m, s)
#define restore_altstack(stack) compat_restore_altstack(stack)
#define __save_altstack(stack, sp) __compat_save_altstack(stack, sp)
#define copy_siginfo_to_user(frame_info, ksig_info) \
copy_siginfo_to_user32(frame_info, ksig_info)
#define setup_return(regs, ka, user_layout, usig) \
{ \
__setup_return(regs, ka, user_layout, usig); \
regs->regs[30] = \
(unsigned long)VDSO_SYMBOL(current->mm->context.vdso, \
sigtramp_ilp32); \
}
struct ilp32_ucontext {
u32 uc_flags;
u32 uc_link;
compat_stack_t uc_stack;
compat_sigset_t uc_sigmask;
/* glibc uses a 1024-bit sigset_t */
__u8 __unused[1024 / 8 - sizeof(compat_sigset_t)];
/* last for future expansion */
struct sigcontext uc_mcontext;
};
struct rt_sigframe {
struct compat_siginfo info;
struct ilp32_ucontext uc;
};
#include <asm/signal_common.h>
asmlinkage long ilp32_sys_rt_sigreturn(struct pt_regs *regs)
{
return __sys_rt_sigreturn(regs);
}
int ilp32_setup_rt_frame(int usig, struct ksignal *ksig,
sigset_t *set, struct pt_regs *regs)
{
return __setup_rt_frame(usig, ksig, set, regs);
}
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