cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

target_arch_signal.h (2817B)

      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#define TARGET_MC_GET_CLEAR_RET 0x0001
     31
     32struct target_sigcontext {
     33    /* to be added */
     34};
     35
     36typedef struct target_mcontext {
     37} target_mcontext_t;
     38
     39typedef struct target_ucontext {
     40    target_sigset_t   uc_sigmask;
     41    target_mcontext_t uc_mcontext;
     42    abi_ulong         uc_link;
     43    target_stack_t    uc_stack;
     44    int32_t           uc_flags;
     45    int32_t         __spare__[4];
     46} target_ucontext_t;
     47
     48struct target_sigframe {
     49    abi_ulong   sf_signum;
     50    abi_ulong   sf_siginfo;    /* code or pointer to sf_si */
     51    abi_ulong   sf_ucontext;   /* points to sf_uc */
     52    abi_ulong   sf_addr;       /* undocumented 4th arg */
     53    target_ucontext_t   sf_uc; /* = *sf_uncontext */
     54    target_siginfo_t    sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/
     55    uint32_t    __spare__[2];
     56};
     57
     58/*
     59 * Compare to i386/i386/machdep.c sendsig()
     60 * Assumes that target stack frame memory is locked.
     61 */
     62static inline abi_long set_sigtramp_args(CPUX86State *regs,
     63        int sig, struct target_sigframe *frame, abi_ulong frame_addr,
     64        struct target_sigaction *ka)
     65{
     66    /* XXX return -TARGET_EOPNOTSUPP; */
     67    return 0;
     68}
     69
     70/* Compare to i386/i386/machdep.c get_mcontext() */
     71static inline abi_long get_mcontext(CPUX86State *regs,
     72        target_mcontext_t *mcp, int flags)
     73{
     74    /* XXX */
     75    return -TARGET_EOPNOTSUPP;
     76}
     77
     78/* Compare to i386/i386/machdep.c set_mcontext() */
     79static inline abi_long set_mcontext(CPUX86State *regs,
     80        target_mcontext_t *mcp, int srflag)
     81{
     82    /* XXX */
     83    return -TARGET_EOPNOTSUPP;
     84}
     85
     86static inline abi_long get_ucontext_sigreturn(CPUX86State *regs,
     87                        abi_ulong target_sf, abi_ulong *target_uc)
     88{
     89    /* XXX */
     90    *target_uc = 0;
     91    return -TARGET_EOPNOTSUPP;
     92}
     93
     94#endif /* TARGET_ARCH_SIGNAL_H */