bsd-user/i386/target_arch_signal.h

   1 /*
   2  *  i386 dependent signal definitions
   3  *
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  17  */
  18 #ifndef TARGET_ARCH_SIGNAL_H
  19 #define TARGET_ARCH_SIGNAL_H
  20
  21 #include "cpu.h"
  22
  23 /* Size of the signal trampolin code placed on the stack. */
  24 #define TARGET_SZSIGCODE    0
  25
  26 /* compare to  x86/include/_limits.h */
  27 #define TARGET_MINSIGSTKSZ  (512 * 4)               /* min sig stack size */
  28 #define TARGET_SIGSTKSZ     (MINSIGSTKSZ + 32768)   /* recommended size */
  29
  30 struct target_sigcontext {
  31     /* to be added */
  32 };
  33
  34 typedef struct target_mcontext {
  35 } target_mcontext_t;
  36
  37 typedef struct target_ucontext {
  38     target_sigset_t   uc_sigmask;
  39     target_mcontext_t uc_mcontext;
  40     abi_ulong         uc_link;
  41     target_stack_t    uc_stack;
  42     int32_t           uc_flags;
  43     int32_t         __spare__[4];
  44 } target_ucontext_t;
  45
  46 struct target_sigframe {
  47     abi_ulong   sf_signum;
  48     abi_ulong   sf_siginfo;    /* code or pointer to sf_si */
  49     abi_ulong   sf_ucontext;   /* points to sf_uc */
  50     abi_ulong   sf_addr;       /* undocumented 4th arg */
  51     target_ucontext_t   sf_uc; /* = *sf_uncontext */
  52     target_siginfo_t    sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/
  53     uint32_t    __spare__[2];
  54 };
  55
  56 /*
  57  * Compare to i386/i386/machdep.c sendsig()
  58  * Assumes that target stack frame memory is locked.
  59  */
  60 static inline abi_long set_sigtramp_args(CPUX86State *regs,
  61         int sig, struct target_sigframe *frame, abi_ulong frame_addr,
  62         struct target_sigaction *ka)
  63 {
  64     /* XXX return -TARGET_EOPNOTSUPP; */
  65     return 0;
  66 }
  67
  68 /* Compare to i386/i386/machdep.c get_mcontext() */
  69 static inline abi_long get_mcontext(CPUX86State *regs,
  70         target_mcontext_t *mcp, int flags)
  71 {
  72     /* XXX */
  73     return -TARGET_EOPNOTSUPP;
  74 }
  75
  76 /* Compare to i386/i386/machdep.c set_mcontext() */
  77 static inline abi_long set_mcontext(CPUX86State *regs,
  78         target_mcontext_t *mcp, int srflag)
  79 {
  80     /* XXX */
  81     return -TARGET_EOPNOTSUPP;
  82 }
  83
  84 static inline abi_long get_ucontext_sigreturn(CPUX86State *regs,
  85                         abi_ulong target_sf, abi_ulong *target_uc)
  86 {
  87     /* XXX */
  88     *target_uc = 0;
  89     return -TARGET_EOPNOTSUPP;
  90 }
  91
  92 #endif /* TARGET_ARCH_SIGNAL_H */