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243af0225a
Meson doesn't enjoy the same flexibility we have with Make in choosing the include path. In particular the tracing headers are using $(build_root)/$(<D). In order to keep the include directives unchanged, the simplest solution is to generate headers with patterns like "trace/trace-audio.h" and place forwarding headers in the source tree such that for example "audio/trace.h" includes "trace/trace-audio.h". This patch is too ugly to be applied to the Makefiles now. It's only a way to separate the changes to the tracing header files from the Meson rewrite of the tracing logic. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/*
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* Common System Call Tracing Wrappers for *-user
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*
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* Copyright (c) 2019 Linaro
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* Written by Alex Bennée <alex.bennee@linaro.org>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef _SYSCALL_TRACE_H_
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#define _SYSCALL_TRACE_H_
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#include "trace/trace-root.h"
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/*
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* These helpers just provide a common place for the various
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* subsystems that want to track syscalls to put their hooks in. We
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* could potentially unify the -strace code here as well.
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*/
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static inline void record_syscall_start(void *cpu, int num,
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abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4,
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abi_long arg5, abi_long arg6,
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abi_long arg7, abi_long arg8)
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{
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trace_guest_user_syscall(cpu, num,
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arg1, arg2, arg3, arg4,
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arg5, arg6, arg7, arg8);
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qemu_plugin_vcpu_syscall(cpu, num,
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arg1, arg2, arg3, arg4,
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arg5, arg6, arg7, arg8);
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}
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static inline void record_syscall_return(void *cpu, int num, abi_long ret)
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{
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trace_guest_user_syscall_ret(cpu, num, ret);
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qemu_plugin_vcpu_syscall_ret(cpu, num, ret);
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}
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#endif /* _SYSCALL_TRACE_H_ */
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