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https://gitlab.com/qemu-project/qemu
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0a0d87c9b8
The upcoming syscall catchpoint support needs to get control on syscall entry and return. Provide the necessary hooks for that, which are no-ops for now. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Message-Id: <20240202152506.279476-4-iii@linux.ibm.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20240207163812.3231697-13-alex.bennee@linaro.org>
44 lines
1.2 KiB
C
44 lines
1.2 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 "exec/user/abitypes.h"
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#include "gdbstub/user.h"
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#include "qemu/plugin.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(CPUState *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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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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gdb_syscall_entry(cpu, num);
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}
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static inline void record_syscall_return(CPUState *cpu, int num, abi_long ret)
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{
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qemu_plugin_vcpu_syscall_ret(cpu, num, ret);
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gdb_syscall_return(cpu, num);
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}
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#endif /* SYSCALL_TRACE_H */
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