Add the rust std as a custom sysroot

library/std/.gitignore

@@ -0,0 +1,146 @@
+Cargo.lock
+Cargo.toml
+build.rs
+target
+src/random.rs
+src/num
+src/prelude
+src/sync
+src/fs.rs
+src/alloc.rs
+src/process
+src/backtrace.rs
+src/ascii.rs
+src/bstr.rs
+src/thread
+src/keyword_docs.rs
+src/tests_helpers.rs
+src/error.rs
+src/net
+src/rt.rs
+src/sys/args
+src/sys/args/mod.rs
+src/sys/args/unsupported.rs
+src/sys/thread_local
+src/sys/thread_local/os.rs
+src/sys/thread_local/no_threads.rs
+src/sys/thread_local/mod.rs
+src/sys/platform_version
+src/sys/platform_version/mod.rs
+src/sys/personality
+src/sys/personality/dwarf
+src/sys/personality/dwarf/eh.rs
+src/sys/personality/dwarf/mod.rs
+src/sys/personality/dwarf/tests.rs
+src/sys/personality/mod.rs
+src/sys/pal/mod.rs
+src/sys/pal/unsupported
+src/sys/pal/unsupported/os.rs
+src/sys/pal/unsupported/mod.rs
+src/sys/pal/unsupported/common.rs
+src/sys/sync
+src/sys/sync/condvar
+src/sys/sync/condvar/no_threads.rs
+src/sys/sync/condvar/mod.rs
+src/sys/sync/mutex
+src/sys/sync/mutex/no_threads.rs
+src/sys/sync/mutex/mod.rs
+src/sys/sync/once_box.rs
+src/sys/sync/rwlock
+src/sys/sync/rwlock/no_threads.rs
+src/sys/sync/rwlock/mod.rs
+src/sys/sync/mod.rs
+src/sys/sync/thread_parking
+src/sys/sync/thread_parking/mod.rs
+src/sys/sync/thread_parking/unsupported.rs
+src/sys/sync/once
+src/sys/sync/once/no_threads.rs
+src/sys/sync/once/mod.rs
+src/sys/fd
+src/sys/fd/mod.rs
+src/sys/process
+src/sys/process/mod.rs
+src/sys/process/env.rs
+src/sys/process/unsupported.rs
+src/sys/pipe
+src/sys/pipe/mod.rs
+src/sys/pipe/unsupported.rs
+src/sys/env_consts.rs
+src/sys/backtrace.rs
+src/sys/exit.rs
+src/sys/thread
+src/sys/thread/mod.rs
+src/sys/thread/unsupported.rs
+src/sys/env
+src/sys/env/mod.rs
+src/sys/env/common.rs
+src/sys/env/unsupported.rs
+src/sys/net
+src/sys/net/hostname
+src/sys/net/hostname/mod.rs
+src/sys/net/hostname/unsupported.rs
+src/sys/net/mod.rs
+src/sys/net/connection
+src/sys/net/connection/mod.rs
+src/sys/net/connection/unsupported.rs
+src/sys/path
+src/sys/path/mod.rs
+src/sys/path/unix.rs
+src/sys/configure_builtins.rs
+src/sys/mod.rs
+src/sys/time
+src/sys/time/mod.rs
+src/sys/time/unsupported.rs
+src/sys/stdio
+src/sys/stdio/mod.rs
+src/sys/stdio/unsupported.rs
+src/sys/cmath.rs
+src/sys/alloc/mod.rs
+src/sys/helpers
+src/sys/helpers/mod.rs
+src/sys/helpers/wstr.rs
+src/sys/helpers/tests.rs
+src/sys/helpers/small_c_string.rs
+src/sys/fs
+src/sys/fs/mod.rs
+src/sys/fs/common.rs
+src/sys/fs/unsupported.rs
+src/sys/random
+src/sys/random/mod.rs
+src/sys/random/unsupported.rs
+src/sys/io
+src/sys/io/is_terminal
+src/sys/io/is_terminal/unsupported.rs
+src/sys/io/mod.rs
+src/sys/io/io_slice
+src/sys/io/io_slice/unsupported.rs
+src/sys/io/error
+src/sys/io/error/mod.rs
+src/sys/io/error/generic.rs
+src/sys/io/kernel_copy
+src/sys/io/kernel_copy/mod.rs
+src/sys/os_str
+src/sys/os_str/mod.rs
+src/sys/os_str/bytes
+src/sys/os_str/bytes/tests.rs
+src/sys/os_str/bytes.rs
+src/macros.rs
+src/os
+src/os/mod.rs
+src/os/raw
+src/os/raw/mod.rs
+src/os/raw/tests.rs
+src/backtrace
+src/path.rs
+src/lib.rs
+src/process.rs
+src/ffi
+src/env.rs
+src/pat.rs
+src/fs
+src/panic.rs
+src/collections
+src/panicking.rs
+src/time.rs
+src/io
+src/hash

library/std/patches/sys/alloc/mod.sed

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+109a \    target_os = "survos" => { \
+        mod survos; \
+    }

library/std/patches/sys/args/mod.sed

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+# 55a \    target_os = "survos" => { \
+#         mod survos; \
+#         pub use survos::*; \
+#     }

library/std/patches/sys/io/error/mod.sed

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+45a \        target_os = "survos",

library/std/patches/sys/pal/mod.sed

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+62a \    target_os = "survos" => { \
+        mod unsupported; \
+        pub use self::unsupported::*; \
+        mod survos; \
+        pub use self::survos::*; \
+    }

library/std/patches/sys/random/mod.sed

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+108a \target_os = "survos",
+124a \target_os = "survos",

library/std/patches/sys/thread_local/mod.sed

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+32a \        target_os = "survos",
+
+129a \        target_os = "survos" => { \
+            // todo \
+            pub(crate) fn enable() {} \
+        }

library/std/src/sys/alloc/survos.rs

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+#![allow(fuzzy_provenance_casts)]
+
+use crate::alloc::{GlobalAlloc, Layout, System};
+
+#[stable(feature = "alloc_system_type", since = "1.28.0")]
+unsafe impl GlobalAlloc for System {
+    unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
+        alloc(layout)
+    }
+
+    unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
+        dealloc(ptr, layout)
+    }
+}
+
+#[repr(u64)]
+enum SysCall {
+    Read = 0,
+    Write = 1,
+    Open = 2,
+    Close = 3,
+    Seek = 8,
+    Alloc = 40,
+    Dealloc = 41,
+    Spawn = 58,
+    ExecVE = 59,
+    Exit = 60,
+    NanoSleep = 101,
+    WriteIntTemp = 998,
+    WriteTemp = 999,
+    Unimplemented = 1 << 31,
+}
+
+#[allow(clippy::too_many_arguments)]
+unsafe fn _syscall(
+    syscall: SysCall,
+    mut a1: u64,
+    mut a2: u64,
+    mut a3: u64,
+    mut a4: u64,
+    mut a5: u64,
+    mut a6: u64,
+    mut a7: u64,
+) -> (u64, u64, u64, u64, u64, u64, u64, u64) {
+    let mut a0 = syscall as u64;
+    unsafe {
+        core::arch::asm!(
+            "ecall",
+            inlateout("a0") a0,
+            inlateout("a1") a1,
+            inlateout("a2") a2,
+            inlateout("a3") a3,
+            inlateout("a4") a4,
+            inlateout("a5") a5,
+            inlateout("a6") a6,
+            inlateout("a7") a7,
+            clobber_abi("system")
+        );
+    }
+    (a0, a1, a2, a3, a4, a5, a6, a7)
+}
+
+macro_rules! syscall {
+    ($syscall:expr, $a1:expr, $a2:expr, $a3:expr, $a4:expr, $a5:expr, $a6:expr, $a7:expr) => {
+        _syscall($syscall, $a1, $a2, $a3, $a4, $a5, $a6, $a7)
+    };
+    ($syscall:expr, $a1:expr, $a2:expr, $a3:expr, $a4:expr, $a5:expr, $a6:expr) => {
+        syscall!($syscall, $a1, $a2, $a3, $a4, $a5, $a6, 0)
+    };
+    ($syscall:expr, $a1:expr, $a2:expr, $a3:expr, $a4:expr, $a5:expr) => {
+        syscall!($syscall, $a1, $a2, $a3, $a4, $a5, 0)
+    };
+    ($syscall:expr, $a1:expr, $a2:expr, $a3:expr, $a4:expr) => {
+        syscall!($syscall, $a1, $a2, $a3, $a4, 0)
+    };
+    ($syscall:expr, $a1:expr, $a2:expr, $a3:expr) => {
+        syscall!($syscall, $a1, $a2, $a3, 0)
+    };
+    ($syscall:expr, $a1:expr, $a2:expr) => {
+        syscall!($syscall, $a1, $a2, 0)
+    };
+    ($syscall:expr, $a1:expr) => {
+        syscall!($syscall, $a1, 0)
+    };
+    ($syscall:expr) => {
+        syscall!($syscall, 0)
+    };
+}
+
+fn alloc(layout: Layout) -> *mut u8 {
+    unsafe {
+        let size = layout.size();
+        let align = layout.align();
+        let (ptr, ..) = syscall!(SysCall::Alloc, size as u64, align as u64);
+        ptr as *mut u8
+    }
+}
+fn dealloc(ptr: *mut u8, layout: core::alloc::Layout) {
+    unsafe {
+        let size = layout.size();
+        let align = layout.align();
+        syscall!(SysCall::Dealloc, ptr as u64, size as u64, align as u64);
+    }
+}

library/std/src/sys/pal/survos.rs

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+/// # Safety
+/// `argc` and `argv` are passed by the kernel
+#[unsafe(no_mangle)]
+#[stable(feature = "rust1", since = "1.0.0")]
+pub unsafe extern "C" fn _start(argc: isize, argv: *const *const u8) -> isize {
+    unsafe extern "C" {
+        fn main(argc: isize, argv: *const *const u8) -> isize;
+    }
+
+    unsafe { main(argc, argv) }
+}