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 typedef struct target_mcontext {
  31     abi_ulong   mc_onstack;     /* XXX - sigcontext compat. */
  32     abi_ulong   mc_gs;          /* machine state (struct trapframe) */
  33     abi_ulong   mc_fs;
  34     abi_ulong   mc_es;
  35     abi_ulong   mc_ds;
  36     abi_ulong   mc_edi;
  37     abi_ulong   mc_esi;
  38     abi_ulong   mc_ebp;
  39     abi_ulong   mc_isp;
  40     abi_ulong   mc_ebx;
  41     abi_ulong   mc_edx;
  42     abi_ulong   mc_ecx;
  43     abi_ulong   mc_eax;
  44     abi_ulong   mc_trapno;
  45     abi_ulong   mc_err;
  46     abi_ulong   mc_eip;
  47     abi_ulong   mc_cs;
  48     abi_ulong   mc_eflags;
  49     abi_ulong   mc_esp;
  50     abi_ulong   mc_ss;
  51
  52     int32_t     mc_len;                 /* sizeof(mcontext_t) */
  53 #define _MC_FPFMT_NODEV         0x10000 /* device not present or configured */
  54 #define _MC_FPFMT_387           0x10001
  55 #define _MC_FPFMT_XMM           0x10002
  56     int32_t     mc_fpformat;
  57 #define _MC_FPOWNED_NONE        0x20000 /* FP state not used */
  58 #define _MC_FPOWNED_FPU         0x20001 /* FP state came from FPU */
  59 #define _MC_FPOWNED_PCB         0x20002 /* FP state came from PCB */
  60     int32_t     mc_ownedfp;
  61     abi_ulong mc_flags;
  62         /*
  63          * See <machine/npx.h> for the internals of mc_fpstate[].
  64          */
  65     int32_t     mc_fpstate[128] __aligned(16);
  66
  67     abi_ulong mc_fsbase;
  68     abi_ulong mc_gsbase;
  69
  70     abi_ulong mc_xfpustate;
  71     abi_ulong mc_xfpustate_len;
  72
  73     int32_t     mc_spare2[4];
  74 } target_mcontext_t;
  75
  76 #define TARGET_MCONTEXT_SIZE 640
  77 #define TARGET_UCONTEXT_SIZE 704
  78
  79 #include "target_os_ucontext.h"
  80
  81 struct target_sigframe {
  82     abi_ulong   sf_signum;
  83     abi_ulong   sf_siginfo;    /* code or pointer to sf_si */
  84     abi_ulong   sf_ucontext;   /* points to sf_uc */
  85     abi_ulong   sf_addr;       /* undocumented 4th arg */
  86     target_ucontext_t   sf_uc; /* = *sf_uncontext */
  87     target_siginfo_t    sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/
  88     uint32_t    __spare__[2];
  89 };
  90
  91 #endif /* TARGET_ARCH_SIGNAL_H */