bsd-user/x86_64/target_arch_signal.h

   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
  19 #ifndef TARGET_ARCH_SIGNAL_H
  20 #define TARGET_ARCH_SIGNAL_H
  21
  22 #include "cpu.h"
  23
  24 /* Size of the signal trampolin code placed on the stack. */
  25 #define TARGET_SZSIGCODE    0
  26
  27 /* compare to  x86/include/_limits.h */
  28 #define TARGET_MINSIGSTKSZ  (512 * 4)               /* min sig stack size */
  29 #define TARGET_SIGSTKSZ     (MINSIGSTKSZ + 32768)   /* recommended size */
  30
  31 typedef struct target_mcontext {
  32     abi_ulong   mc_onstack;     /* XXX - sigcontext compat. */
  33     abi_ulong   mc_rdi;         /* machine state (struct trapframe) */
  34     abi_ulong   mc_rsi;
  35     abi_ulong   mc_rdx;
  36     abi_ulong   mc_rcx;
  37     abi_ulong   mc_r8;
  38     abi_ulong   mc_r9;
  39     abi_ulong   mc_rax;
  40     abi_ulong   mc_rbx;
  41     abi_ulong   mc_rbp;
  42     abi_ulong   mc_r10;
  43     abi_ulong   mc_r11;
  44     abi_ulong   mc_r12;
  45     abi_ulong   mc_r13;
  46     abi_ulong   mc_r14;
  47     abi_ulong   mc_r15;
  48     uint32_t    mc_trapno;
  49     uint16_t    mc_fs;
  50     uint16_t    mc_gs;
  51     abi_ulong   mc_addr;
  52     uint32_t    mc_flags;
  53     uint16_t    mc_es;
  54     uint16_t    mc_ds;
  55     abi_ulong   mc_err;
  56     abi_ulong   mc_rip;
  57     abi_ulong   mc_cs;
  58     abi_ulong   mc_rflags;
  59     abi_ulong   mc_rsp;
  60     abi_ulong   mc_ss;
  61
  62     abi_long    mc_len;                 /* sizeof(mcontext_t) */
  63
  64 #define _MC_FPFMT_NODEV         0x10000 /* device not present or configured */
  65 #define _MC_FPFMT_XMM           0x10002
  66     abi_long    mc_fpformat;
  67 #define _MC_FPOWNED_NONE        0x20000 /* FP state not used */
  68 #define _MC_FPOWNED_FPU         0x20001 /* FP state came from FPU */
  69 #define _MC_FPOWNED_PCB         0x20002 /* FP state came from PCB */
  70     abi_long    mc_ownedfp;
  71     /*
  72      * See <machine/fpu.h> for the internals of mc_fpstate[].
  73      */
  74     abi_long    mc_fpstate[64] __aligned(16);
  75
  76     abi_ulong   mc_fsbase;
  77     abi_ulong   mc_gsbase;
  78
  79     abi_ulong   mc_xfpustate;
  80     abi_ulong   mc_xfpustate_len;
  81
  82     abi_long    mc_spare[4];
  83 } target_mcontext_t;
  84
  85 #define TARGET_MCONTEXT_SIZE 800
  86 #define TARGET_UCONTEXT_SIZE 880
  87
  88 #include "target_os_ucontext.h"
  89
  90 struct target_sigframe {
  91     abi_ulong   sf_signum;
  92     abi_ulong   sf_siginfo;    /* code or pointer to sf_si */
  93     abi_ulong   sf_ucontext;   /* points to sf_uc */
  94     abi_ulong   sf_addr;       /* undocumented 4th arg */
  95     target_ucontext_t   sf_uc; /* = *sf_uncontext */
  96     target_siginfo_t    sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/
  97     uint32_t    __spare__[2];
  98 };
  99
 100 #endif /* TARGET_ARCH_SIGNAL_H */