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linux-user: move user/syscall-trace.h to linux-user/syscall.c

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For now, only linux-user supports plugin syscall API, so restrict the
scope of these functions to linux-user/syscall.c

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Link: https://lore.kernel.org/qemu-devel/20260129013134.3956938-7-pierrick.bouvier@linaro.org
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
This commit is contained in:
Pierrick Bouvier
2026-01-28 21:41:53 -08:00
parent 0a9754525c
commit d37ce14f98
3 changed files with 19 additions and 45 deletions
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1
bsd-user/freebsd/os-syscall.c
View File

@@ -31,7 +31,6 @@
#include "qemu.h"
#include "signal-common.h"
#include "user/syscall-trace.h"
/* BSD independent syscall shims */
#include "bsd-file.h"

43
include/user/syscall-trace.h
View File

@@ -1,43 +0,0 @@
/*
* Common System Call Tracing Wrappers for *-user
*
* Copyright (c) 2019 Linaro
* Written by Alex Bennée <alex.bennee@linaro.org>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef SYSCALL_TRACE_H
#define SYSCALL_TRACE_H
#include "user/abitypes.h"
#include "gdbstub/user.h"
#include "qemu/plugin.h"
#include "trace/trace-root.h"
/*
* These helpers just provide a common place for the various
* subsystems that want to track syscalls to put their hooks in. We
* could potentially unify the -strace code here as well.
*/
static inline void record_syscall_start(CPUState *cpu, int num,
abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4,
abi_long arg5, abi_long arg6,
abi_long arg7, abi_long arg8)
{
qemu_plugin_vcpu_syscall(cpu, num,
arg1, arg2, arg3, arg4,
arg5, arg6, arg7, arg8);
gdb_syscall_entry(cpu, num);
}
static inline void record_syscall_return(CPUState *cpu, int num, abi_long ret)
{
qemu_plugin_vcpu_syscall_ret(cpu, num, ret);
gdb_syscall_return(cpu, num);
}
#endif /* SYSCALL_TRACE_H */

20
linux-user/syscall.c
View File

@@ -132,6 +132,7 @@
#include "uname.h"
#include "qemu.h"
#include "gdbstub/user.h"
#include "user-internals.h"
#include "strace.h"
#include "signal-common.h"
@@ -142,7 +143,6 @@
#include "user/signal.h"
#include "qemu/guest-random.h"
#include "qemu/selfmap.h"
#include "user/syscall-trace.h"
#include "special-errno.h"
#include "qapi/error.h"
#include "fd-trans.h"
@@ -14334,6 +14334,24 @@ static bool sys_dispatch(CPUState *cpu, TaskState *ts)
return true;
}
static void record_syscall_start(CPUState *cpu, int num,
abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4,
abi_long arg5, abi_long arg6,
abi_long arg7, abi_long arg8)
{
qemu_plugin_vcpu_syscall(cpu, num,
arg1, arg2, arg3, arg4,
arg5, arg6, arg7, arg8);
gdb_syscall_entry(cpu, num);
}
static void record_syscall_return(CPUState *cpu, int num, abi_long ret)
{
qemu_plugin_vcpu_syscall_ret(cpu, num, ret);
gdb_syscall_return(cpu, num);
}
abi_long do_syscall(CPUArchState *cpu_env, int num, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5, abi_long arg6, abi_long arg7,