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flysand7
2023-10-27 11:30:13 +11:00
parent 4d65b1ab9c
commit bbd4c1054e
6 changed files with 2168 additions and 2168 deletions
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core/sys/linux/bits.odin
+1099 -1099
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File diff suppressed because it is too large Load Diff
core/sys/linux/constants.odin
+12 -12
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@@ -40,7 +40,7 @@ S_ISFIFO :: #force_inline proc "contextless" (m: Mode) -> bool {return (S_IFFIFO
/// Check the Mode bits to see if the file is a character device /// Check the Mode bits to see if the file is a character device
S_ISCHR :: #force_inline proc "contextless" (m: Mode) -> bool {return (S_IFCHR == (m & S_IFMT))} S_ISCHR :: #force_inline proc "contextless" (m: Mode) -> bool {return (S_IFCHR == (m & S_IFMT))}
/// Check the Mode bits to see if the file is a directory /// Check the Mode bits to see if the file is a directory
S_ISDIR :: #force_inline proc "contextless" (m: Mode) -> bool {return (S_IFDIR == (m & S_IFMT))} S_ISDIR :: #force_inline proc "contextless" (m: Mode) -> bool {return (S_IFDIR == (m & S_IFMT))}
@@ -70,17 +70,17 @@ R_OK :: Mode{.IROTH}
/// The stats you get by calling `stat` /// The stats you get by calling `stat`
STATX_BASIC_STATS :: Statx_Mask { STATX_BASIC_STATS :: Statx_Mask {
.TYPE, .TYPE,
.MODE, .MODE,
.NLINK, .NLINK,
.UID, .UID,
.GID, .GID,
.ATIME, .ATIME,
.MTIME, .MTIME,
.CTIME, .CTIME,
.INO, .INO,
.SIZE, .SIZE,
.BLOCKS, .BLOCKS,
} }
core/sys/linux/helpers.odin
+45 -45
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@@ -29,7 +29,7 @@ where
size_of(p2) <= size_of(uintptr) size_of(p2) <= size_of(uintptr)
{ {
return cast(int) intrinsics.syscall(nr, return cast(int) intrinsics.syscall(nr,
cast(uintptr) p1, cast(uintptr) p2) cast(uintptr) p1, cast(uintptr) p2)
} }
@(private) @(private)
@@ -40,9 +40,9 @@ where
size_of(p3) <= size_of(uintptr) size_of(p3) <= size_of(uintptr)
{ {
return cast(int) intrinsics.syscall(nr, return cast(int) intrinsics.syscall(nr,
cast(uintptr) p1, cast(uintptr) p1,
cast(uintptr) p2, cast(uintptr) p2,
cast(uintptr) p3) cast(uintptr) p3)
} }
@(private) @(private)
@@ -54,10 +54,10 @@ where
size_of(p4) <= size_of(uintptr) size_of(p4) <= size_of(uintptr)
{ {
return cast(int) intrinsics.syscall(nr, return cast(int) intrinsics.syscall(nr,
cast(uintptr) p1, cast(uintptr) p1,
cast(uintptr) p2, cast(uintptr) p2,
cast(uintptr) p3, cast(uintptr) p3,
cast(uintptr) p4) cast(uintptr) p4)
} }
@(private) @(private)
@@ -70,11 +70,11 @@ where
size_of(p5) <= size_of(uintptr) size_of(p5) <= size_of(uintptr)
{ {
return cast(int) intrinsics.syscall(nr, return cast(int) intrinsics.syscall(nr,
cast(uintptr) p1, cast(uintptr) p1,
cast(uintptr) p2, cast(uintptr) p2,
cast(uintptr) p3, cast(uintptr) p3,
cast(uintptr) p4, cast(uintptr) p4,
cast(uintptr) p5) cast(uintptr) p5)
} }
@(private) @(private)
@@ -88,12 +88,12 @@ where
size_of(p6) <= size_of(uintptr) size_of(p6) <= size_of(uintptr)
{ {
return cast(int) intrinsics.syscall(nr, return cast(int) intrinsics.syscall(nr,
cast(uintptr) p1, cast(uintptr) p1,
cast(uintptr) p2, cast(uintptr) p2,
cast(uintptr) p3, cast(uintptr) p3,
cast(uintptr) p4, cast(uintptr) p4,
cast(uintptr) p5, cast(uintptr) p5,
cast(uintptr) p6) cast(uintptr) p6)
} }
syscall :: proc {syscall0, syscall1, syscall2, syscall3, syscall4, syscall5, syscall6} syscall :: proc {syscall0, syscall1, syscall2, syscall3, syscall4, syscall5, syscall6}
@@ -106,24 +106,24 @@ syscall :: proc {syscall0, syscall1, syscall2, syscall3, syscall4, syscall5, sys
@(private) @(private)
errno_unwrap3 :: #force_inline proc "contextless" (ret: $P, $T: typeid, $U: typeid) -> (T, Errno) errno_unwrap3 :: #force_inline proc "contextless" (ret: $P, $T: typeid, $U: typeid) -> (T, Errno)
where where
intrinsics.type_is_ordered_numeric(P) intrinsics.type_is_ordered_numeric(P)
{ {
if ret < 0 { if ret < 0 {
default_value: T default_value: T
return default_value, Errno(-ret) return default_value, Errno(-ret)
} else { } else {
return cast(T) transmute(U) ret, Errno(.NONE) return cast(T) transmute(U) ret, Errno(.NONE)
} }
} }
@(private) @(private)
errno_unwrap2 :: #force_inline proc "contextless" (ret: $P, $T: typeid) -> (T, Errno) { errno_unwrap2 :: #force_inline proc "contextless" (ret: $P, $T: typeid) -> (T, Errno) {
if ret < 0 { if ret < 0 {
default_value: T default_value: T
return default_value, Errno(-ret) return default_value, Errno(-ret)
} else { } else {
return cast(T) ret, Errno(.NONE) return cast(T) ret, Errno(.NONE)
} }
} }
@(private) @(private)
@@ -132,19 +132,19 @@ errno_unwrap :: proc {errno_unwrap2, errno_unwrap3}
// Note(flysand): 32-bit architectures sometimes take in a 64-bit argument in a // Note(flysand): 32-bit architectures sometimes take in a 64-bit argument in a
// register pair. This function should help me avoid typing the same code a few times.. // register pair. This function should help me avoid typing the same code a few times..
when size_of(int) == 4 { when size_of(int) == 4 {
// xxx64 system calls take some parameters as pairs of ulongs rather than a single pointer // xxx64 system calls take some parameters as pairs of ulongs rather than a single pointer
@(private) @(private)
compat64_arg_pair :: #force_inline proc "contextless" (a: i64) -> (hi: uint, lo: uint) { compat64_arg_pair :: #force_inline proc "contextless" (a: i64) -> (hi: uint, lo: uint) {
no_sign := uint(a) no_sign := uint(a)
hi = uint(no_sign >> 32) hi = uint(no_sign >> 32)
lo = uint(no_sign & 0xffff_ffff) lo = uint(no_sign & 0xffff_ffff)
return return
} }
} else { } else {
// ... and on 64-bit architectures it's just a long // ... and on 64-bit architectures it's just a long
@(private) @(private)
compat64_arg_pair :: #force_inline proc "contextless" (a: i64) -> (uint) { compat64_arg_pair :: #force_inline proc "contextless" (a: i64) -> (uint) {
return uint(a) return uint(a)
} }
} }
core/sys/linux/sys.odin
+654 -654
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File diff suppressed because it is too large Load Diff
core/sys/linux/types.odin
+316 -316
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@@ -28,14 +28,14 @@ Inode :: distinct u64
/// Represents time with nanosecond precision /// Represents time with nanosecond precision
Time_Spec :: struct { Time_Spec :: struct {
time_sec: uint, time_sec: uint,
time_nsec: uint, time_nsec: uint,
} }
/// Represents time with millisecond precision /// Represents time with millisecond precision
Time_Val :: struct { Time_Val :: struct {
seconds: int, seconds: int,
microseconds: int, microseconds: int,
} }
/// open.2 flags /// open.2 flags
@@ -54,75 +54,75 @@ FD_Flags :: bit_set[FD_Flags_Bits; i32]
Mode :: bit_set[Mode_Bits; u32] Mode :: bit_set[Mode_Bits; u32]
when ODIN_ARCH == .amd64 { when ODIN_ARCH == .amd64 {
// x86-64 has mode and nlink swapped for some reason // x86-64 has mode and nlink swapped for some reason
_Arch_Stat :: struct { _Arch_Stat :: struct {
dev: Dev, dev: Dev,
ino: Inode, ino: Inode,
nlink: uint, nlink: uint,
mode: Mode, mode: Mode,
uid: Uid, uid: Uid,
gid: Gid, gid: Gid,
_: u32, _: u32,
rdev: Dev, rdev: Dev,
size: uint, size: uint,
blksize: uint, blksize: uint,
blocks: uint, blocks: uint,
atime: Time_Spec, atime: Time_Spec,
mtime: Time_Spec, mtime: Time_Spec,
ctime: Time_Spec, ctime: Time_Spec,
_: [3]uint, _: [3]uint,
} }
} else when ODIN_ARCH == .arm64 { } else when ODIN_ARCH == .arm64 {
_Arch_Stat :: struct { _Arch_Stat :: struct {
dev: Dev, dev: Dev,
ino: Inode, ino: Inode,
mode: Mode, mode: Mode,
nlink: u32, nlink: u32,
uid: Uid, uid: Uid,
gid: Gid, gid: Gid,
rdev: Dev, rdev: Dev,
_: u64, _: u64,
size: int, size: int,
blksize: i32, blksize: i32,
_: i32, _: i32,
blocks: int, blocks: int,
atime: Time_Spec, atime: Time_Spec,
mtime: Time_Spec, mtime: Time_Spec,
ctime: Time_Spec, ctime: Time_Spec,
_: [3]uint, _: [3]uint,
} }
} else { } else {
_Arch_Stat :: struct { _Arch_Stat :: struct {
dev: Dev, dev: Dev,
_: [4]u8, _: [4]u8,
_ino: uint, // Old 32-bit inode number, don't use _ino: uint, // Old 32-bit inode number, don't use
mode: Mode, mode: Mode,
nlink: u32, nlink: u32,
uid: Uid, uid: Uid,
gid: Gid, gid: Gid,
rdev: Dev, rdev: Dev,
size: i64, size: i64,
blksize: uint, blksize: uint,
blocks: u64, blocks: u64,
atim: Time_Spec, atim: Time_Spec,
mtim: Time_Spec, mtim: Time_Spec,
ctim: Time_Spec, ctim: Time_Spec,
ino: Inode, ino: Inode,
} }
} }
/// Represents the file state. /// Represents the file state.
/// Mirrors struct stat in glibc/linux kernel. /// Mirrors struct stat in glibc/linux kernel.
/// If you're on 32-bit platform, consider using Stat64 instead /// If you're on 32-bit platform, consider using Stat64 instead
Stat :: struct { Stat :: struct {
using _impl_stat: _Arch_Stat, using _impl_stat: _Arch_Stat,
} }
/// Timestamp type used for Statx struct /// Timestamp type used for Statx struct
Statx_Timestamp :: struct { Statx_Timestamp :: struct {
sec: i64, sec: i64,
nsec: u32, nsec: u32,
_: i32, _: i32,
} }
/// Query params/results for `statx()` /// Query params/results for `statx()`
@@ -135,78 +135,78 @@ Statx_Attr :: bit_set[Statx_Attr_Bits; u64]
/// The extended Stat struct /// The extended Stat struct
Statx :: struct { Statx :: struct {
mask: Statx_Mask, mask: Statx_Mask,
blksize: u32, blksize: u32,
attributes: Statx_Attr, attributes: Statx_Attr,
nlink: u32, nlink: u32,
uid: Uid, uid: Uid,
gid: Gid, gid: Gid,
// Note(flysand): mode is 16-bit on linux + there's // Note(flysand): mode is 16-bit on linux + there's
// 16-bit padding following it. Since our mode is 32-bits, // 16-bit padding following it. Since our mode is 32-bits,
// we're using the padding. This should be fine because // we're using the padding. This should be fine because
// the placement of that padding suggests it was going to // the placement of that padding suggests it was going to
// be used for the Mode bits anyway. // be used for the Mode bits anyway.
mode: Mode, mode: Mode,
ino: Inode, ino: Inode,
size: u64, size: u64,
blocks: u64, blocks: u64,
attributes_mask: Statx_Attr, attributes_mask: Statx_Attr,
atime: Statx_Timestamp, atime: Statx_Timestamp,
btime: Statx_Timestamp, btime: Statx_Timestamp,
ctime: Statx_Timestamp, ctime: Statx_Timestamp,
mtime: Statx_Timestamp, mtime: Statx_Timestamp,
rdev_major: u32, rdev_major: u32,
rdev_minor: u32, rdev_minor: u32,
dev_major: u32, dev_major: u32,
dev_minor: u32, dev_minor: u32,
mnt_id: u64, mnt_id: u64,
dio_mem_align: u32, dio_mem_align: u32,
dio_offset_align: u32, dio_offset_align: u32,
_: [12]u64, _: [12]u64,
} }
/// Mount flags for filesystem /// Mount flags for filesystem
FS_Flags :: bit_set[FS_Flags_Bits; u32] FS_Flags :: bit_set[FS_Flags_Bits; u32]
when size_of(int) == 8 { when size_of(int) == 8 {
_Arch_Stat_FS :: struct { _Arch_Stat_FS :: struct {
// Note(flysand): The FS_Magic bits are never above // Note(flysand): The FS_Magic bits are never above
// 32-bits, so it should be fine for now... // 32-bits, so it should be fine for now...
type: FS_Magic, type: FS_Magic,
_: u32, _: u32,
bsize: i64, bsize: i64,
blocks: i64, blocks: i64,
bfree: i64, bfree: i64,
bavail: i64, bavail: i64,
files: i64, files: i64,
ffree: i64, ffree: i64,
fsid : [2]i32, fsid : [2]i32,
namelen: i64, namelen: i64,
frsize: i64, frsize: i64,
// Note(flysand): Same story as type // Note(flysand): Same story as type
flags: FS_Flags, flags: FS_Flags,
_: u32, _: u32,
spare: [4]i64, spare: [4]i64,
} }
} else { } else {
_Arch_Stat_FS :: struct { _Arch_Stat_FS :: struct {
type: FS_Magic, type: FS_Magic,
bsize: u32, bsize: u32,
blocks: u64, blocks: u64,
bfree: u64, bfree: u64,
bavail: u64, bavail: u64,
files: u64, files: u64,
ffree: u64, ffree: u64,
fsid: [2]i32, fsid: [2]i32,
namelen: u32, namelen: u32,
frsize: u32, frsize: u32,
flags: FS_Flags, flags: FS_Flags,
spare: [4]u32, spare: [4]u32,
} }
} }
Stat_FS :: struct { Stat_FS :: struct {
using _impl_stat_fs: _Arch_Stat_FS, using _impl_stat_fs: _Arch_Stat_FS,
} }
/// Flags for close_range.2 /// Flags for close_range.2
@@ -219,20 +219,20 @@ Rename_Flags :: bit_set[Rename_Flags_Bits; u32]
/// Recommended to use this with dirent_iterator() /// Recommended to use this with dirent_iterator()
/// and dirent_name() /// and dirent_name()
Dirent :: struct { Dirent :: struct {
ino: Inode, ino: Inode,
off: i64, off: i64,
reclen: u16, reclen: u16,
type: Dirent_Type, type: Dirent_Type,
name: [0]u8, // See dirent_name name: [0]u8, // See dirent_name
} }
/// Lock record for fcntl.2 /// Lock record for fcntl.2
FLock :: struct { FLock :: struct {
type: FLock_Type, type: FLock_Type,
whence: Seek_Whence, whence: Seek_Whence,
start: i64, start: i64,
len: i64, len: i64,
pid: Pid, pid: Pid,
} }
/// Flags for fcntl_notify /// Flags for fcntl_notify
@@ -243,8 +243,8 @@ Seal :: bit_set[Seal_Bits; i32]
/// Represents owner that receives events on file updates /// Represents owner that receives events on file updates
F_Owner :: struct { F_Owner :: struct {
type: F_Owner_Type, type: F_Owner_Type,
pid: Pid, pid: Pid,
} }
/// Events for ppoll /// Events for ppoll
@@ -252,9 +252,9 @@ Fd_Poll_Events :: bit_set[Fd_Poll_Events_Bits; u16]
/// Struct for ppoll /// Struct for ppoll
Poll_Fd :: struct { Poll_Fd :: struct {
fd: Fd, fd: Fd,
events: Fd_Poll_Events, events: Fd_Poll_Events,
revents: Fd_Poll_Events, revents: Fd_Poll_Events,
} }
/// Specifies protection for memory pages /// Specifies protection for memory pages
@@ -292,79 +292,79 @@ Branch_Sample_Type :: bit_set[Branch_Sample_Type_Bits; u64]
/// The struct for perf_event_open /// The struct for perf_event_open
Perf_Event_Attr :: struct #packed { Perf_Event_Attr :: struct #packed {
type: Perf_Event_Type, type: Perf_Event_Type,
size: u32, size: u32,
config: struct #raw_union { config: struct #raw_union {
hw: Perf_Hardware_Id, hw: Perf_Hardware_Id,
sw: Perf_Software_Id, sw: Perf_Software_Id,
cache: u64, cache: u64,
other: u64, other: u64,
}, },
sample: struct #raw_union { sample: struct #raw_union {
period: u64, period: u64,
frequency: u64, frequency: u64,
}, },
sample_type: Perf_Event_Sample_Type, sample_type: Perf_Event_Sample_Type,
read_format: Perf_Read_Format, read_format: Perf_Read_Format,
flags: Perf_Event_Flags, flags: Perf_Event_Flags,
wakeup: struct #raw_union { wakeup: struct #raw_union {
events: u32, events: u32,
watermark: u32, watermark: u32,
}, },
breakpoint_type: Hardware_Breakpoint_Type, breakpoint_type: Hardware_Breakpoint_Type,
using _: struct #raw_union { using _: struct #raw_union {
breakpoint_addr: u64, breakpoint_addr: u64,
kprobe_func: u64, kprobe_func: u64,
uprobe_path: u64, uprobe_path: u64,
config1: u64, config1: u64,
}, },
using _: struct #raw_union { using _: struct #raw_union {
breakpoint_len: u64, breakpoint_len: u64,
kprobe_addr: u64, kprobe_addr: u64,
uprobe_offset: u64, uprobe_offset: u64,
config2: u64, config2: u64,
}, },
branch_sample_type: Branch_Sample_Type, branch_sample_type: Branch_Sample_Type,
sample_regs_user: u64, sample_regs_user: u64,
sample_stack_user: u32, sample_stack_user: u32,
clock_id: i32, // TODO(flysand): clock_id clock_id: i32, // TODO(flysand): clock_id
sample_regs_intr: u64, sample_regs_intr: u64,
aux_watermark: u32, aux_watermark: u32,
sample_max_stack: u16, sample_max_stack: u16,
_: u16, _: u16,
} }
/// The ring buffer structure when mmaping Perf_Event_Attr /// The ring buffer structure when mmaping Perf_Event_Attr
Perf_Event_Mmap_Page :: struct #packed { Perf_Event_Mmap_Page :: struct #packed {
version: u32, version: u32,
compat_version: u32, compat_version: u32,
lock: u32, lock: u32,
index: u32, index: u32,
offset: i64, offset: i64,
time_enabled: u64, time_enabled: u64,
time_running: u64, time_running: u64,
cap: struct #raw_union { cap: struct #raw_union {
capabilities: u64, capabilities: u64,
flags: Perf_Cap_Flags, flags: Perf_Cap_Flags,
}, },
pmc_width: u16, pmc_width: u16,
time_shift: u16, time_shift: u16,
time_mult: u32, time_mult: u32,
time_offset: u64, time_offset: u64,
time_zero: u64, time_zero: u64,
size: u32, size: u32,
reserved1: u32, reserved1: u32,
time_cycles: u64, time_cycles: u64,
time_mask: u64, time_mask: u64,
reserved2: [116*8]u8, reserved2: [116*8]u8,
data_head: u64, data_head: u64,
data_tail: u64, data_tail: u64,
data_offset: u64, data_offset: u64,
data_size: u64, data_size: u64,
aux_head: u64, aux_head: u64,
aux_tail: u64, aux_tail: u64,
aux_offset: u64, aux_offset: u64,
aux_size: u64, aux_size: u64,
} }
// TODO(flysand): Its taking too much effort to bind the other data structures related to perf_event_open // TODO(flysand): Its taking too much effort to bind the other data structures related to perf_event_open
@@ -393,68 +393,68 @@ Sig_Handler_Fn :: #type proc "c" (sig: Signal)
Sig_Restore_Fn :: #type proc "c" () Sig_Restore_Fn :: #type proc "c" ()
Sig_Info :: struct #packed { Sig_Info :: struct #packed {
signo: Signal, signo: Signal,
errno: Errno, errno: Errno,
code: i32, code: i32,
_pad0: i32, _pad0: i32,
using _union: struct #raw_union { using _union: struct #raw_union {
_pad1: [SI_PAD_SIZE]u8, _pad1: [SI_PAD_SIZE]u8,
using _kill: struct { using _kill: struct {
pid: Pid, /* sender's pid */ pid: Pid, /* sender's pid */
uid: Uid, /* sender's uid */ uid: Uid, /* sender's uid */
}, },
using _timer: struct { using _timer: struct {
timerid: i32, /* timer id */ timerid: i32, /* timer id */
overrun: i32, /* overrun count */ overrun: i32, /* overrun count */
}, },
/* POSIX.1b signals */ /* POSIX.1b signals */
using _rt: struct { using _rt: struct {
_pid0: Pid, /* sender's pid */ _pid0: Pid, /* sender's pid */
_uid0: Uid, /* sender's uid */ _uid0: Uid, /* sender's uid */
}, },
/* SIGCHLD */ /* SIGCHLD */
using _sigchld: struct { using _sigchld: struct {
_pid1: Pid, /* which child */ _pid1: Pid, /* which child */
_uid1: Uid, /* sender's uid */ _uid1: Uid, /* sender's uid */
status: i32, /* exit code */ status: i32, /* exit code */
utime: uint, utime: uint,
stime: uint, //clock_t stime: uint, //clock_t
}, },
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
using _sigfault: struct { using _sigfault: struct {
addr: rawptr, /* faulting insn/memory ref. */ addr: rawptr, /* faulting insn/memory ref. */
addr_lsb: i16, /* LSB of the reported address */ addr_lsb: i16, /* LSB of the reported address */
}, },
/* SIGPOLL */ /* SIGPOLL */
using _sigpoll: struct { using _sigpoll: struct {
band: int, /* POLL_IN, POLL_OUT, POLL_MSG */ band: int, /* POLL_IN, POLL_OUT, POLL_MSG */
fd: Fd, fd: Fd,
}, },
/* SIGSYS */ /* SIGSYS */
using _sigsys: struct { using _sigsys: struct {
call_addr: rawptr, /* calling user insn */ call_addr: rawptr, /* calling user insn */
syscall: i32, /* triggering system call number */ syscall: i32, /* triggering system call number */
arch: u32, /* AUDIT_ARCH_* of syscall */ arch: u32, /* AUDIT_ARCH_* of syscall */
}, },
}, },
} }
Sig_Stack_Flags :: bit_set[Sig_Stack_Flag; i32] Sig_Stack_Flags :: bit_set[Sig_Stack_Flag; i32]
Sig_Stack :: struct { Sig_Stack :: struct {
sp: rawptr, sp: rawptr,
flags: Sig_Stack_Flags, flags: Sig_Stack_Flags,
size: uintptr, size: uintptr,
} }
Sig_Action :: struct($T: typeid) { Sig_Action :: struct($T: typeid) {
using _u: struct #raw_union { using _u: struct #raw_union {
handler: Sig_Handler_Fn, handler: Sig_Handler_Fn,
sigaction: #type proc "c" (sig: Signal, si: ^Sig_Info, ctx: ^T), sigaction: #type proc "c" (sig: Signal, si: ^Sig_Info, ctx: ^T),
}, },
flags: uint, flags: uint,
restorer: Sig_Restore_Fn, restorer: Sig_Restore_Fn,
mask: Sig_Set, mask: Sig_Set,
} }
@@ -472,28 +472,28 @@ Socket_Msg :: bit_set[Socket_Msg_Bits; i32]
/// Struct representing IPv4 socket address /// Struct representing IPv4 socket address
Sock_Addr_In :: struct #packed { Sock_Addr_In :: struct #packed {
sin_family: Address_Family, sin_family: Address_Family,
sin_port: u16be, sin_port: u16be,
sin_addr: [4]u8, sin_addr: [4]u8,
} }
/// Struct representing IPv6 socket address /// Struct representing IPv6 socket address
Sock_Addr_In6 :: struct #packed { Sock_Addr_In6 :: struct #packed {
sin6_family: Address_Family, sin6_family: Address_Family,
sin6_port: u16be, sin6_port: u16be,
sin6_flowinfo: u32, sin6_flowinfo: u32,
sin6_addr: [16]u8, sin6_addr: [16]u8,
sin6_scope_id: u32, sin6_scope_id: u32,
} }
/// Struct representing an arbitrary socket address /// Struct representing an arbitrary socket address
Sock_Addr_Any :: struct #raw_union { Sock_Addr_Any :: struct #raw_union {
using _: struct { using _: struct {
family: Address_Family, family: Address_Family,
port: u16be, port: u16be,
}, },
using ipv4: Sock_Addr_In, using ipv4: Sock_Addr_In,
using ipv6: Sock_Addr_In6, using ipv6: Sock_Addr_In6,
} }
/// Just an alias to make futex-values more visible /// Just an alias to make futex-values more visible
@@ -504,63 +504,63 @@ Futex_Flags :: bit_set[Futex_Flags_Bits; u32]
/// Times /// Times
Tms :: struct { Tms :: struct {
tms_utime: int, tms_utime: int,
tms_stime: int, tms_stime: int,
tms_cutime: int, tms_cutime: int,
tms_cstime: int, tms_cstime: int,
} }
/// "Unix time-sharing system name", allegedly /// "Unix time-sharing system name", allegedly
/// Basically system info /// Basically system info
UTS_Name :: struct { UTS_Name :: struct {
sysname: [65]u8 `fmt:"s,0"`, sysname: [65]u8 `fmt:"s,0"`,
nodename: [65]u8 `fmt:"s,0"`, nodename: [65]u8 `fmt:"s,0"`,
release: [65]u8 `fmt:"s,0"`, release: [65]u8 `fmt:"s,0"`,
version: [65]u8 `fmt:"s,0"`, version: [65]u8 `fmt:"s,0"`,
machine: [65]u8 `fmt:"s,0"`, machine: [65]u8 `fmt:"s,0"`,
domainname: [65]u8 `fmt:"s,0"`, domainname: [65]u8 `fmt:"s,0"`,
} }
/// Return buffer for the sysinfo syscall /// Return buffer for the sysinfo syscall
Sys_Info :: struct { Sys_Info :: struct {
uptime: int, uptime: int,
loads: [3]int, loads: [3]int,
totalram: uint, totalram: uint,
freeram: uint, freeram: uint,
sharedram: uint, sharedram: uint,
bufferram: uint, bufferram: uint,
totalswap: uint, totalswap: uint,
freeswap: uint, freeswap: uint,
procs: u16, procs: u16,
totalhigh: uint, totalhigh: uint,
freehigh: uint, freehigh: uint,
mem_unit: i32, mem_unit: i32,
_padding: [20 - (2 * size_of(int)) - size_of(i32)]u8, _padding: [20 - (2 * size_of(int)) - size_of(i32)]u8,
} }
/// Resource limit /// Resource limit
RLimit :: struct { RLimit :: struct {
cur: uint, cur: uint,
max: uint, max: uint,
} }
/// Structure representing how much of each resource /// Structure representing how much of each resource
/// got used. /// got used.
RUsage :: struct { RUsage :: struct {
utime: Time_Val, utime: Time_Val,
stime: Time_Val, stime: Time_Val,
maxrss_word: int, maxrss_word: int,
ixrss_word: int, ixrss_word: int,
idrss_word: int, idrss_word: int,
isrss_word: int, isrss_word: int,
minflt_word: int, minflt_word: int,
majflt_word: int, majflt_word: int,
nswap_word: int, nswap_word: int,
inblock_word: int, inblock_word: int,
oublock_word: int, oublock_word: int,
msgsnd_word: int, msgsnd_word: int,
msgrcv_word: int, msgrcv_word: int,
nsignals_word: int, nsignals_word: int,
nvcsw_word: int, nvcsw_word: int,
nivcsw_word: int, nivcsw_word: int,
} }
core/sys/linux/wrappers.odin
+42 -42
View File
@@ -4,48 +4,48 @@ package linux
/// Low 8 bits of the exit code /// Low 8 bits of the exit code
/// Only retrieve the exit code if WIFEXITED(s) = true /// Only retrieve the exit code if WIFEXITED(s) = true
WEXITSTATUS :: #force_inline proc "contextless" (s: u32) -> u32 { WEXITSTATUS :: #force_inline proc "contextless" (s: u32) -> u32 {
return (s & 0xff00) >> 8 return (s & 0xff00) >> 8
} }
/// Termination signal /// Termination signal
/// Only retrieve the code if WIFSIGNALED(s) = true /// Only retrieve the code if WIFSIGNALED(s) = true
WTERMSIG :: #force_inline proc "contextless" (s: u32) -> u32 { WTERMSIG :: #force_inline proc "contextless" (s: u32) -> u32 {
return s & 0x7f return s & 0x7f
} }
/// The signal that stopped the child /// The signal that stopped the child
/// Only retrieve if WIFSTOPPED(s) = true /// Only retrieve if WIFSTOPPED(s) = true
WSTOPSIG :: #force_inline proc "contextless" (s: u32) -> u32 { WSTOPSIG :: #force_inline proc "contextless" (s: u32) -> u32 {
return WEXITSTATUS(s) return WEXITSTATUS(s)
} }
/// Check if the process terminated normally (via exit.2) /// Check if the process terminated normally (via exit.2)
WIFEXITED :: #force_inline proc "contextless" (s: u32) -> bool { WIFEXITED :: #force_inline proc "contextless" (s: u32) -> bool {
return WTERMSIG(s) == 0 return WTERMSIG(s) == 0
} }
/// Check if the process signaled /// Check if the process signaled
WIFSIGNALED :: #force_inline proc "contextless" (s: u32) -> bool { WIFSIGNALED :: #force_inline proc "contextless" (s: u32) -> bool {
return cast(i8)(((s) & 0x7f) + 1) >> 1 > 0 return cast(i8)(((s) & 0x7f) + 1) >> 1 > 0
} }
/// Check if the process has stopped /// Check if the process has stopped
WIFSTOPPED :: #force_inline proc "contextless" (s: u32) -> bool { WIFSTOPPED :: #force_inline proc "contextless" (s: u32) -> bool {
return (s & 0xff) == 0x7f return (s & 0xff) == 0x7f
} }
/// Check if the process is continued by the tracee /// Check if the process is continued by the tracee
WIFCONTINUED :: #force_inline proc "contextless" (s: u32) -> bool { WIFCONTINUED :: #force_inline proc "contextless" (s: u32) -> bool {
return s == 0xffff return s == 0xffff
} }
/// Check if the process dumped core /// Check if the process dumped core
WCOREDUMP :: #force_inline proc "contextless" (s: u32) -> bool { WCOREDUMP :: #force_inline proc "contextless" (s: u32) -> bool {
return s & 0x80 == 0x80 return s & 0x80 == 0x80
} }
@private _sigmask :: proc "contextless" (sig: Signal) -> (uint) { @private _sigmask :: proc "contextless" (sig: Signal) -> (uint) {
return 1 << ((cast(uint)(sig) - 1) % (8*size_of(uint))) return 1 << ((cast(uint)(sig) - 1) % (8*size_of(uint)))
} }
@private _sigword :: proc "contextless" (sig: Signal) -> (uint) { @private _sigword :: proc "contextless" (sig: Signal) -> (uint) {
return (cast(uint)sig - 1) / (8*size_of(uint)) return (cast(uint)sig - 1) / (8*size_of(uint))
@@ -71,51 +71,51 @@ WCOREDUMP :: #force_inline proc "contextless" (s: u32) -> bool {
/// This function doesn't automatically make a request /// This function doesn't automatically make a request
/// for the buffer to be refilled /// for the buffer to be refilled
dirent_iterate_buf :: proc "contextless" (buf: []u8, offs: ^int) -> (d: ^Dirent, cont: bool) { dirent_iterate_buf :: proc "contextless" (buf: []u8, offs: ^int) -> (d: ^Dirent, cont: bool) {
// Stopped iterating when there's no space left // Stopped iterating when there's no space left
if offs^ >= len(buf) { if offs^ >= len(buf) {
return nil, false return nil, false
} }
// Retrieve dirent form the current offset // Retrieve dirent form the current offset
dirent := cast(^Dirent) &buf[offs^] dirent := cast(^Dirent) &buf[offs^]
// Add the stride of dirent struct to the current offset // Add the stride of dirent struct to the current offset
offs^ += cast(int) dirent.reclen offs^ += cast(int) dirent.reclen
return dirent, true return dirent, true
} }
/// Obtain the name of dirent as a string /// Obtain the name of dirent as a string
/// The lifetime of the string is bound to the lifetime of the provided dirent structure /// The lifetime of the string is bound to the lifetime of the provided dirent structure
dirent_name :: proc "contextless" (dirent: ^Dirent) -> string #no_bounds_check { dirent_name :: proc "contextless" (dirent: ^Dirent) -> string #no_bounds_check {
str := transmute([^]u8) &dirent.name str := transmute([^]u8) &dirent.name
// Note(flysand): The string size calculated above applies only to the ideal case // Note(flysand): The string size calculated above applies only to the ideal case
// we subtract 1 byte from the string size, because a null terminator is guaranteed // we subtract 1 byte from the string size, because a null terminator is guaranteed
// to be present. But! That said, the dirents are aligned to 8 bytes and the padding // to be present. But! That said, the dirents are aligned to 8 bytes and the padding
// between the null terminator and the start of the next struct may be not initialized // between the null terminator and the start of the next struct may be not initialized
// which means we also have to scan these garbage bytes. // which means we also have to scan these garbage bytes.
str_size := (cast(int) dirent.reclen) - 1 - cast(int) offset_of(Dirent, name) str_size := (cast(int) dirent.reclen) - 1 - cast(int) offset_of(Dirent, name)
// This skips *only* over the garbage, since if we're not garbage we're at nul terminator, // This skips *only* over the garbage, since if we're not garbage we're at nul terminator,
// which skips this loop // which skips this loop
for str[str_size] != 0 { for str[str_size] != 0 {
str_size -= 1 str_size -= 1
} }
for str[str_size-1] == 0 { for str[str_size-1] == 0 {
str_size -= 1 str_size -= 1
} }
// Oh yeah btw i could also just `repne scasb` this thing, but honestly I started doing // Oh yeah btw i could also just `repne scasb` this thing, but honestly I started doing
// it the painful way, might as well finish doing it that way // it the painful way, might as well finish doing it that way
return string(str[:str_size]) return string(str[:str_size])
} }
/// Constructor for the `futex_op` argument of a FUTEX_WAKE_OP call /// Constructor for the `futex_op` argument of a FUTEX_WAKE_OP call
futex_op :: proc "contextless" (arg_op: Futex_Arg_Op, cmp_op: Futex_Cmp_Op, op_arg: u32, cmp_arg: u32) -> u32 { futex_op :: proc "contextless" (arg_op: Futex_Arg_Op, cmp_op: Futex_Cmp_Op, op_arg: u32, cmp_arg: u32) -> u32 {
arg_op := cast(u32) arg_op arg_op := cast(u32) arg_op
cmp_op := cast(u32) cmp_op cmp_op := cast(u32) cmp_op
return (arg_op << 28) | (cmp_op << 24) | ((op_arg & 0xfff) << 12) | (cmp_arg & 0xfff) return (arg_op << 28) | (cmp_op << 24) | ((op_arg & 0xfff) << 12) | (cmp_arg & 0xfff)
} }
/// Helper function for constructing the config for caches /// Helper function for constructing the config for caches
perf_cache_config :: #force_inline proc "contextless" (id: Perf_Hardware_Cache_Id, perf_cache_config :: #force_inline proc "contextless" (id: Perf_Hardware_Cache_Id,
op: Perf_Hardware_Cache_Op_Id, op: Perf_Hardware_Cache_Op_Id,
res: Perf_Hardware_Cache_Result_Id) -> u64 res: Perf_Hardware_Cache_Result_Id) -> u64
{ {
return u64(id) | (u64(op) << 8) | (u64(res) << 16) return u64(id) | (u64(op) << 8) | (u64(res) << 16)
} }