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fa97ff1c83
If a program is started with LIBC_PROFILE_MALLOC in the environment, it will now generate PERF_EVENT_MALLOC and PERF_EVENT_FREE.
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <Kernel/Syscall.h>
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#include <errno.h>
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#include <serenity.h>
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extern "C" {
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int module_load(const char* path, size_t path_length)
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{
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int rc = syscall(SC_module_load, path, path_length);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int module_unload(const char* name, size_t name_length)
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{
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int rc = syscall(SC_module_unload, name, name_length);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int profiling_enable(pid_t pid)
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{
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int rc = syscall(SC_profiling_enable, pid);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int profiling_disable(pid_t pid)
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{
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int rc = syscall(SC_profiling_disable, pid);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int set_thread_boost(int tid, int amount)
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{
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int rc = syscall(SC_set_thread_boost, tid, amount);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int set_process_boost(int tid, int amount)
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{
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int rc = syscall(SC_set_process_boost, tid, amount);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int futex(int32_t* userspace_address, int futex_op, int32_t value, const struct timespec* timeout)
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{
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Syscall::SC_futex_params params { userspace_address, futex_op, value, timeout };
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int rc = syscall(SC_futex, ¶ms);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int purge(int mode)
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{
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int rc = syscall(SC_purge, mode);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int perf_event(int type, uintptr_t arg1, uintptr_t arg2)
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{
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int rc = syscall(SC_perf_event, type, arg1, arg2);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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}
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