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/*
* i386 dependent signal definitions
*
*
* 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/>.
*/
#ifndef TARGET_ARCH_SIGNAL_H
#define TARGET_ARCH_SIGNAL_H
#include "cpu.h"
/* Size of the signal trampolin code placed on the stack. */
#define TARGET_SZSIGCODE 0
/* compare to x86/include/_limits.h */
#define TARGET_MINSIGSTKSZ (512 * 4) /* min sig stack size */
#define TARGET_SIGSTKSZ (MINSIGSTKSZ + 32768) /* recommended size */
typedef struct target_mcontext {
abi_ulong mc_onstack; /* XXX - sigcontext compat. */
abi_ulong mc_gs; /* machine state (struct trapframe) */
abi_ulong mc_fs;
abi_ulong mc_es;
abi_ulong mc_ds;
abi_ulong mc_edi;
abi_ulong mc_esi;
abi_ulong mc_ebp;
abi_ulong mc_isp;
abi_ulong mc_ebx;
abi_ulong mc_edx;
abi_ulong mc_ecx;
abi_ulong mc_eax;
abi_ulong mc_trapno;
abi_ulong mc_err;
abi_ulong mc_eip;
abi_ulong mc_cs;
abi_ulong mc_eflags;
abi_ulong mc_esp;
abi_ulong mc_ss;
int32_t mc_len; /* sizeof(mcontext_t) */
#define _MC_FPFMT_NODEV 0x10000 /* device not present or configured */
#define _MC_FPFMT_387 0x10001
#define _MC_FPFMT_XMM 0x10002
int32_t mc_fpformat;
#define _MC_FPOWNED_NONE 0x20000 /* FP state not used */
#define _MC_FPOWNED_FPU 0x20001 /* FP state came from FPU */
#define _MC_FPOWNED_PCB 0x20002 /* FP state came from PCB */
int32_t mc_ownedfp;
abi_ulong mc_flags;
/*
* See <machine/npx.h> for the internals of mc_fpstate[].
*/
int32_t mc_fpstate[128] __aligned(16);
abi_ulong mc_fsbase;
abi_ulong mc_gsbase;
abi_ulong mc_xfpustate;
abi_ulong mc_xfpustate_len;
int32_t mc_spare2[4];
} target_mcontext_t;
#define TARGET_MCONTEXT_SIZE 640
#define TARGET_UCONTEXT_SIZE 704
#include "target_os_ucontext.h"
struct target_sigframe {
abi_ulong sf_signum;
abi_ulong sf_siginfo; /* code or pointer to sf_si */
abi_ulong sf_ucontext; /* points to sf_uc */
abi_ulong sf_addr; /* undocumented 4th arg */
target_ucontext_t sf_uc; /* = *sf_uncontext */
target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/
uint32_t __spare__[2];
};
/*
* Compare to i386/i386/machdep.c sendsig()
* Assumes that target stack frame memory is locked.
*/
static inline abi_long set_sigtramp_args(CPUX86State *regs,
int sig, struct target_sigframe *frame, abi_ulong frame_addr,
struct target_sigaction *ka)
{
/* XXX return -TARGET_EOPNOTSUPP; */
return 0;
}
/* Compare to i386/i386/machdep.c get_mcontext() */
static inline abi_long get_mcontext(CPUX86State *regs,
target_mcontext_t *mcp, int flags)
{
/* XXX */
return -TARGET_EOPNOTSUPP;
}
/* Compare to i386/i386/machdep.c set_mcontext() */
static inline abi_long set_mcontext(CPUX86State *regs,
target_mcontext_t *mcp, int srflag)
{
/* XXX */
return -TARGET_EOPNOTSUPP;
}
static inline abi_long get_ucontext_sigreturn(CPUX86State *regs,
abi_ulong target_sf, abi_ulong *target_uc)
{
/* XXX */
*target_uc = 0;
return -TARGET_EOPNOTSUPP;
}
#endif /* TARGET_ARCH_SIGNAL_H */
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