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std: Make linux MAP_ definitions match kernel

master
daurnimator 2019-07-07 14:31:27 +10:00
parent 7610d39413
commit e197968734
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GPG Key ID: 45B429A8F9D9D22A
3 changed files with 83 additions and 11 deletions
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31
std/os/bits/linux.zig
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@ -74,22 +74,31 @@ pub const PROT_EXEC = 4;
pub const PROT_GROWSDOWN = 0x01000000;
pub const PROT_GROWSUP = 0x02000000;
pub const MAP_FAILED = @intToPtr(*c_void, maxInt(usize));
/// Share changes
pub const MAP_SHARED = 0x01;
/// Changes are private
pub const MAP_PRIVATE = 0x02;
/// share + validate extension flags
pub const MAP_SHARED_VALIDATE = 0x03;
/// Mask for type of mapping
pub const MAP_TYPE = 0x0f;
/// Interpret addr exactly
pub const MAP_FIXED = 0x10;
/// don't use a file
pub const MAP_ANONYMOUS = 0x20;
pub const MAP_NORESERVE = 0x4000;
pub const MAP_GROWSDOWN = 0x0100;
pub const MAP_DENYWRITE = 0x0800;
pub const MAP_EXECUTABLE = 0x1000;
pub const MAP_LOCKED = 0x2000;
pub const MAP_POPULATE = 0x8000;
pub const MAP_NONBLOCK = 0x10000;
pub const MAP_STACK = 0x20000;
pub const MAP_HUGETLB = 0x40000;
pub const MAP_FILE = 0;
/// For anonymous mmap, memory could be uninitialized
pub const MAP_UNINITIALIZED = 0x4000000;
// MAP_ 0x0100 - 0x80000 flags are per architecture
/// MAP_FIXED which doesn't unmap underlying mapping
pub const MAP_FIXED_NOREPLACE = 0x100000;
pub const F_OK = 0;
pub const X_OK = 1;

30
std/os/bits/linux/arm64.zig
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@ -331,6 +331,36 @@ pub const F_GETOWN_EX = 16;
pub const F_GETOWNER_UIDS = 17;
/// stack-like segment
pub const MAP_GROWSDOWN = 0x0100;
/// ETXTBSY
pub const MAP_DENYWRITE = 0x0800;
/// mark it as an executable
pub const MAP_EXECUTABLE = 0x1000;
/// pages are locked
pub const MAP_LOCKED = 0x2000;
/// don't check for reservations
pub const MAP_NORESERVE = 0x4000;
/// populate (prefault) pagetables
pub const MAP_POPULATE = 0x8000;
/// do not block on IO
pub const MAP_NONBLOCK = 0x10000;
/// give out an address that is best suited for process/thread stacks
pub const MAP_STACK = 0x20000;
/// create a huge page mapping
pub const MAP_HUGETLB = 0x40000;
/// perform synchronous page faults for the mapping
pub const MAP_SYNC = 0x80000;
pub const VDSO_USEFUL = true;
pub const VDSO_CGT_SYM = "__kernel_clock_gettime";
pub const VDSO_CGT_VER = "LINUX_2.6.39";

33
std/os/bits/linux/x86_64.zig
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@ -394,6 +394,39 @@ pub const F_GETOWN_EX = 16;
pub const F_GETOWNER_UIDS = 17;
/// only give out 32bit addresses
pub const MAP_32BIT = 0x40;
/// stack-like segment
pub const MAP_GROWSDOWN = 0x0100;
/// ETXTBSY
pub const MAP_DENYWRITE = 0x0800;
/// mark it as an executable
pub const MAP_EXECUTABLE = 0x1000;
/// pages are locked
pub const MAP_LOCKED = 0x2000;
/// don't check for reservations
pub const MAP_NORESERVE = 0x4000;
/// populate (prefault) pagetables
pub const MAP_POPULATE = 0x8000;
/// do not block on IO
pub const MAP_NONBLOCK = 0x10000;
/// give out an address that is best suited for process/thread stacks
pub const MAP_STACK = 0x20000;
/// create a huge page mapping
pub const MAP_HUGETLB = 0x40000;
/// perform synchronous page faults for the mapping
pub const MAP_SYNC = 0x80000;
pub const VDSO_USEFUL = true;
pub const VDSO_CGT_SYM = "__vdso_clock_gettime";
pub const VDSO_CGT_VER = "LINUX_2.6";