target_os_ucontext.h (1534B)
1 /* 2 * FreeBSD has a common ucontext definition for all architectures. 3 * 4 * Copyright 2021 Warner Losh <imp@bsdimp.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause 7 */ 8 #ifndef TARGET_OS_UCONTEXT_H 9 #define TARGET_OS_UCONTEXT_H 10 11 /* 12 * Defines the common bits for all of FreeBSD's architectures. Has to be 13 * included AFTER the MD target_mcontext_t is defined, however, so can't 14 * be in the grab-bag that is target_os_signal.h. 15 */ 16 17 /* See FreeBSD's sys/ucontext.h */ 18 #define TARGET_MC_GET_CLEAR_RET 0x0001 19 20 /* FreeBSD's sys/_ucontext.h structures */ 21 typedef struct target_ucontext { 22 target_sigset_t uc_sigmask; 23 target_mcontext_t uc_mcontext; 24 abi_ulong uc_link; 25 target_stack_t uc_stack; 26 int32_t uc_flags; 27 int32_t __spare__[4]; 28 } target_ucontext_t; 29 30 G_STATIC_ASSERT(TARGET_MCONTEXT_SIZE == sizeof(target_mcontext_t)); 31 G_STATIC_ASSERT(TARGET_UCONTEXT_SIZE == sizeof(target_ucontext_t)); 32 33 struct target_sigframe; 34 35 abi_long set_sigtramp_args(CPUArchState *env, int sig, 36 struct target_sigframe *frame, 37 abi_ulong frame_addr, 38 struct target_sigaction *ka); 39 abi_long get_mcontext(CPUArchState *env, target_mcontext_t *mcp, int flags); 40 abi_long set_mcontext(CPUArchState *env, target_mcontext_t *mcp, int srflag); 41 abi_long get_ucontext_sigreturn(CPUArchState *env, abi_ulong target_sf, 42 abi_ulong *target_uc); 43 44 #endif /* TARGET_OS_UCONTEXT_H */