ca4fc704a4
Now that all architecutres define TARGET_[MU]CONTEXT_SIZE, enforce
requiring them and always check the sizeof target_{u,m}context_t
sizes.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/*
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* FreeBSD has a common ucontext definition for all architectures.
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*
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* Copyright 2021 Warner Losh <imp@bsdimp.com>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
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*/
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#ifndef TARGET_OS_UCONTEXT_H
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#define TARGET_OS_UCONTEXT_H
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/*
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* Defines the common bits for all of FreeBSD's architectures. Has to be
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* included AFTER the MD target_mcontext_t is defined, however, so can't
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* be in the grab-bag that is target_os_signal.h.
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*/
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/* See FreeBSD's sys/ucontext.h */
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#define TARGET_MC_GET_CLEAR_RET 0x0001
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/* FreeBSD's sys/_ucontext.h structures */
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typedef struct target_ucontext {
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target_sigset_t uc_sigmask;
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target_mcontext_t uc_mcontext;
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abi_ulong uc_link;
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target_stack_t uc_stack;
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int32_t uc_flags;
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int32_t __spare__[4];
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} target_ucontext_t;
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G_STATIC_ASSERT(TARGET_MCONTEXT_SIZE == sizeof(target_mcontext_t));
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G_STATIC_ASSERT(TARGET_UCONTEXT_SIZE == sizeof(target_ucontext_t));
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struct target_sigframe;
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abi_long set_sigtramp_args(CPUArchState *env, int sig,
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struct target_sigframe *frame,
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abi_ulong frame_addr,
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struct target_sigaction *ka);
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abi_long get_mcontext(CPUArchState *regs, target_mcontext_t *mcp, int flags);
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abi_long set_mcontext(CPUArchState *regs, target_mcontext_t *mcp, int srflag);
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abi_long get_ucontext_sigreturn(CPUArchState *regs, abi_ulong target_sf,
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abi_ulong *target_uc);
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#endif /* TARGET_OS_UCONTEXT_H */
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