xemu/bsd-user/i386/signal.c
Warner Losh 2373a62ae9 bsd-user: Create setup_sigframe_arch to setup sigframe context
Define setup_sigframe_arch whose job it is to setup the mcontext for the
sigframe. Implement for x86 to just call mcontext.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2022-01-28 15:52:38 -07:00

69 lines
2.0 KiB
C

/*
* i386 dependent signal definitions
*
* Copyright (c) 2013 Stacey D. Son
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu.h"
/*
* Compare to i386/i386/machdep.c sendsig()
* Assumes that target stack frame memory is locked.
*/
abi_long set_sigtramp_args(CPUX86State *env, int sig,
struct target_sigframe *frame,
abi_ulong frame_addr,
struct target_sigaction *ka)
{
/* XXX return -TARGET_EOPNOTSUPP; */
return 0;
}
/*
* Compare to i386/i386/exec_machdep.c sendsig()
* Assumes that the memory is locked if frame points to user memory.
*/
abi_long setup_sigframe_arch(CPUX86State *env, abi_ulong frame_addr,
struct target_sigframe *frame, int flags)
{
target_mcontext_t *mcp = &frame->sf_uc.uc_mcontext;
get_mcontext(env, mcp, flags);
return 0;
}
/* Compare to i386/i386/machdep.c get_mcontext() */
abi_long get_mcontext(CPUX86State *regs, target_mcontext_t *mcp, int flags)
{
/* XXX */
return -TARGET_EOPNOTSUPP;
}
/* Compare to i386/i386/machdep.c set_mcontext() */
abi_long set_mcontext(CPUX86State *regs, target_mcontext_t *mcp, int srflag)
{
/* XXX */
return -TARGET_EOPNOTSUPP;
}
abi_long get_ucontext_sigreturn(CPUX86State *regs, abi_ulong target_sf,
abi_ulong *target_uc)
{
/* XXX */
*target_uc = 0;
return -TARGET_EOPNOTSUPP;
}