diff options
| author | Liav A <liavalb@gmail.com> | 2022-12-15 20:38:19 +0200 |
|---|---|---|
| committer | Andrew Kaster <andrewdkaster@gmail.com> | 2022-12-16 01:02:00 -0700 |
| commit | 6c0486277e9bc8238ae82ee857a70014c9397db9 (patch) | |
| tree | d0a599c10308e18709c1fefc33f726de489f7dcc /Kernel/API | |
| parent | 1b5a565e5587bcf58d8801601a2c519771c1e971 (diff) | |
| download | serenity-6c0486277e9bc8238ae82ee857a70014c9397db9.zip | |
Kernel: Reintroduce the msyscall syscall as the annotate_mapping syscall
This syscall will be used later on to ensure we can declare virtual
memory mappings as immutable (which means that the underlying Region is
basically immutable for both future annotations or changing the
protection bits of it).
Diffstat (limited to 'Kernel/API')
| -rw-r--r-- | Kernel/API/Syscall.h | 2 | ||||
| -rw-r--r-- | Kernel/API/VirtualMemoryAnnotations.h | 21 |
2 files changed, 22 insertions, 1 deletions
diff --git a/Kernel/API/Syscall.h b/Kernel/API/Syscall.h index a1c0f11da4..9109e83277 100644 --- a/Kernel/API/Syscall.h +++ b/Kernel/API/Syscall.h @@ -45,6 +45,7 @@ enum class NeedsBigProcessLock { S(alarm, NeedsBigProcessLock::Yes) \ S(allocate_tls, NeedsBigProcessLock::Yes) \ S(anon_create, NeedsBigProcessLock::No) \ + S(annotate_mapping, NeedsBigProcessLock::No) \ S(beep, NeedsBigProcessLock::No) \ S(bind, NeedsBigProcessLock::No) \ S(chdir, NeedsBigProcessLock::No) \ @@ -124,7 +125,6 @@ enum class NeedsBigProcessLock { S(mprotect, NeedsBigProcessLock::Yes) \ S(mremap, NeedsBigProcessLock::Yes) \ S(msync, NeedsBigProcessLock::Yes) \ - S(msyscall, NeedsBigProcessLock::No) \ S(munmap, NeedsBigProcessLock::Yes) \ S(open, NeedsBigProcessLock::Yes) \ S(perf_event, NeedsBigProcessLock::Yes) \ diff --git a/Kernel/API/VirtualMemoryAnnotations.h b/Kernel/API/VirtualMemoryAnnotations.h new file mode 100644 index 0000000000..ec140bd927 --- /dev/null +++ b/Kernel/API/VirtualMemoryAnnotations.h @@ -0,0 +1,21 @@ +/* + * Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il> + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#pragma once + +#include <AK/EnumBits.h> +#include <AK/Types.h> + +namespace Kernel { + +enum class VirtualMemoryRangeFlags : u32 { + None = 0, + SyscallCode = 1 << 0, +}; + +AK_ENUM_BITWISE_OPERATORS(VirtualMemoryRangeFlags); + +} |