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add mremap + flags

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This commit is contained in:
CiD-
2022-04-26 17:11:30 -04:00
parent 1a2c36e482
commit 5bc8164274
1 changed files with 21 additions and 9 deletions
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core/sys/unix/syscalls_linux.odin
+21 -9
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@@ -1524,18 +1524,26 @@ AT_REMOVEDIR :: uintptr(0x200)
AT_SYMLINK_FOLLOW :: uintptr(0x400) AT_SYMLINK_FOLLOW :: uintptr(0x400)
AT_SYMLINK_NOFOLLOW :: uintptr(0x100) AT_SYMLINK_NOFOLLOW :: uintptr(0x100)
PROT_NONE :: 0x0 // mmap flags
PROT_READ :: 0x1 PROT_NONE :: 0x0
PROT_WRITE :: 0x2 PROT_READ :: 0x1
PROT_EXEC :: 0x4 PROT_WRITE :: 0x2
PROT_EXEC :: 0x4
PROT_GROWSDOWN :: 0x01000000 PROT_GROWSDOWN :: 0x01000000
PROT_GROWSUP :: 0x02000000 PROT_GROWSUP :: 0x02000000
MAP_FIXED :: 0x1 MAP_FIXED :: 0x10
MAP_PRIVATE :: 0x2 MAP_SHARED :: 0x1
MAP_SHARED :: 0x4 MAP_PRIVATE :: 0x2
MAP_ANONYMOUS :: 0x20 MAP_SHARED_VALIDATE :: 0x3
MAP_ANONYMOUS :: 0x20
// mremap flags
MREMAP_MAYMOVE :: 1
MREMAP_FIXED :: 2
MREMAP_DONTUNMAP :: 4
// madvise flags
MADV_NORMAL :: 0 MADV_NORMAL :: 0
MADV_RANDOM :: 1 MADV_RANDOM :: 1
MADV_SEQUENTIAL :: 2 MADV_SEQUENTIAL :: 2
@@ -1815,6 +1823,10 @@ sys_mmap :: proc "contextless" (addr: rawptr, length: uint, prot, flags, fd: int
return int(intrinsics.syscall(SYS_mmap, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), offset)) return int(intrinsics.syscall(SYS_mmap, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), offset))
} }
sys_mremap :: proc "contextless" (addr: rawptr, old_length, new_length: uint, flags: int, new_addr: rawptr = nil) -> int {
return int(intrinsics.syscall(SYS_mremap, uintptr(addr), uintptr(old_length), uintptr(new_length), uintptr(flags), uintptr(new_addr)))
}
sys_munmap :: proc "contextless" (addr: rawptr, length: uint) -> int { sys_munmap :: proc "contextless" (addr: rawptr, length: uint) -> int {
return int(intrinsics.syscall(SYS_munmap, uintptr(addr), uintptr(length))) return int(intrinsics.syscall(SYS_munmap, uintptr(addr), uintptr(length)))
} }