rebase

Author: augustin-cheron

Diff for: Cargo.toml

@@ -30,7 +30,7 @@ members = [
 ]
 
 [dev-dependencies]
-no-panic = "0.1.8"
+no-panic = "0.1.15"
 
 [build-dependencies]
-rand = { version = "0.6.5", optional = true }
+rand = { version = "0.8.3", optional = true }

Diff for: crates/libm-c-abi/Cargo.toml

@@ -17,4 +17,4 @@ panic = "abort"
 
 [dependencies]
 libm = { path = "../.." }
-libc = {version="0.2", default-features=false}
+libc = { version = "0.2.94", default-features = false }

Diff for: crates/libm-c-abi/src/lib.rs

@@ -1,28 +1,44 @@
 #![no_std]
 #![feature(lang_items)]
+#![feature(core_intrinsics)]
+use core::intrinsics;
+use core::panic::PanicInfo;
 
 mod lib_f32;
 mod lib_f64;
 mod lib_fenv;
 mod lib_long_double;
 mod musl_missing;
+mod new_lib;
 
 pub use lib_f32::*;
 pub use lib_f64::*;
 pub use lib_fenv::*;
 pub use lib_long_double::*;
 
 pub use musl_missing::*;
+pub use new_lib::*;
 
 #[no_mangle]
 pub static mut signgam: i32 = 0;
 
-use core::panic::PanicInfo;
 
 #[panic_handler]
-fn panic(_panic: &PanicInfo<'_>) -> ! {
-    loop {}
+fn panic(_info: &PanicInfo) -> ! {
+   intrinsics::abort()
+}
+
+/*
+#[panic_handler]
+fn panic(_: &PanicInfo<'_>) -> ! {
+    extern "Rust" {
+        #[link_name = "\nerror(panic-never): your program contains at least one panicking branch"]
+        fn undefined() -> !;
+    }
+
+    unsafe { undefined() }
 }
+*/
 
 #[lang = "eh_personality"]
 extern "C" fn eh_personality() {}

Diff for: crates/libm-c-abi/src/lib_f32.rs

@@ -325,26 +325,3 @@ pub extern "C" fn remainderf(numer: c_float, denom: c_float) -> c_float {
     libm::remquof(numer, denom).0
 }
 
-// todo : add a newlib test cfg feature flag?
-#[no_mangle]
-pub extern "C" fn __isfinitef(x: c_float) -> c_int {
-    if (x as f32).is_finite() {
-        1
-    } else {
-        0
-    }
-}
-#[no_mangle]
-pub extern "C" fn __isnormalf(x: c_float) -> c_int {
-    if (x as f32).is_normal() {
-        1
-    } else {
-        0
-    }
-}
-
-#[no_mangle]
-pub extern "C" fn __fpclassifyf(_x: c_float) -> c_int {
-    const FP_NORMAL: i32 = 0x4;
-    FP_NORMAL
-}

Diff for: crates/libm-c-abi/src/new_lib.rs

@@ -0,0 +1,25 @@
+use libc::{c_float, c_int, c_long, c_longlong};
+
+// todo : add a newlib test cfg feature flag?
+#[no_mangle]
+pub extern "C" fn __isfinitef(x: c_float) -> c_int {
+    if (x as f32).is_finite() {
+        1
+    } else {
+        0
+    }
+}
+#[no_mangle]
+pub extern "C" fn __isnormalf(x: c_float) -> c_int {
+    if (x as f32).is_normal() {
+        1
+    } else {
+        0
+    }
+}
+
+#[no_mangle]
+pub extern "C" fn __fpclassifyf(_x: c_float) -> c_int {
+    const FP_NORMAL: i32 = 0x4;
+    FP_NORMAL
+}