LXR qemu/bsd-user/x86_64/target_arch

   1/*
   2 *  x86_64 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
  30struct target_sigcontext {
  31    /* to be added */
  32};
  33
  34typedef struct target_mcontext {
  35} target_mcontext_t;
  36
  37typedef 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
  46struct 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 amd64/amd64/machdep.c sendsig()
  58 * Assumes that target stack frame memory is locked.
  59 */
  60static 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 amd64/amd64/machdep.c get_mcontext() */
  69static 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 amd64/amd64/machdep.c set_mcontext() */
  77static inline abi_long set_mcontext(CPUX86State *regs,
  78        target_mcontext_t *mcp, int srflag)
  79{
  80    /* XXX */
  81    return -TARGET_EOPNOTSUPP;
  82}
  83
  84static 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_ */
  93