From 9fad5e653c839d5d19fb0265cc6023f04a820ec7 Mon Sep 17 00:00:00 2001
From: vasilito <adminpupkin@gmail.com>
Date: Wed, 8 Jul 2026 17:57:54 +0300
Subject: [PATCH] syscall: add FullContextRegs arch types for /proc/{pid}/ctx

---
 src/arch/aarch64.rs | 31 +++++++++++++++++++++++++++++++
 src/arch/riscv64.rs | 31 +++++++++++++++++++++++++++++++
 src/arch/x86.rs     | 31 +++++++++++++++++++++++++++++++
 src/arch/x86_64.rs  | 31 +++++++++++++++++++++++++++++++
 4 files changed, 124 insertions(+)

diff --git a/src/arch/aarch64.rs b/src/arch/aarch64.rs
index 7ba23e5c6f..dea4209789 100644
--- a/src/arch/aarch64.rs
+++ b/src/arch/aarch64.rs
@@ -95,6 +95,14 @@ pub struct IntRegisters {
     pub x0: usize,
 }
 
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(C)]
+pub struct FullContextRegs {
+    pub int: IntRegisters,
+    pub float: FloatRegisters,
+    pub env: EnvRegisters,
+}
+
 impl Deref for IntRegisters {
     type Target = [u8];
     fn deref(&self) -> &[u8] {
@@ -149,6 +157,29 @@ impl DerefMut for FloatRegisters {
     }
 }
 
+impl Deref for FullContextRegs {
+    type Target = [u8];
+    fn deref(&self) -> &[u8] {
+        unsafe {
+            slice::from_raw_parts(
+                self as *const FullContextRegs as *const u8,
+                mem::size_of::<FullContextRegs>(),
+            )
+        }
+    }
+}
+
+impl DerefMut for FullContextRegs {
+    fn deref_mut(&mut self) -> &mut [u8] {
+        unsafe {
+            slice::from_raw_parts_mut(
+                self as *mut FullContextRegs as *mut u8,
+                mem::size_of::<FullContextRegs>(),
+            )
+        }
+    }
+}
+
 #[derive(Clone, Copy, Debug, Default)]
 #[repr(C, packed)]
 pub struct EnvRegisters {
diff --git a/src/arch/riscv64.rs b/src/arch/riscv64.rs
index ea4ae694a7..a581cbe824 100644
--- a/src/arch/riscv64.rs
+++ b/src/arch/riscv64.rs
@@ -96,6 +96,14 @@ pub struct IntRegisters {
     pub x1: usize,
 }
 
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(C)]
+pub struct FullContextRegs {
+    pub int: IntRegisters,
+    pub float: FloatRegisters,
+    pub env: EnvRegisters,
+}
+
 impl Deref for IntRegisters {
     type Target = [u8];
     fn deref(&self) -> &[u8] {
@@ -149,6 +157,29 @@ impl DerefMut for FloatRegisters {
     }
 }
 
+impl Deref for FullContextRegs {
+    type Target = [u8];
+    fn deref(&self) -> &[u8] {
+        unsafe {
+            slice::from_raw_parts(
+                self as *const FullContextRegs as *const u8,
+                mem::size_of::<FullContextRegs>(),
+            )
+        }
+    }
+}
+
+impl DerefMut for FullContextRegs {
+    fn deref_mut(&mut self) -> &mut [u8] {
+        unsafe {
+            slice::from_raw_parts_mut(
+                self as *mut FullContextRegs as *mut u8,
+                mem::size_of::<FullContextRegs>(),
+            )
+        }
+    }
+}
+
 #[derive(Clone, Copy, Debug, Default)]
 #[repr(packed)]
 pub struct EnvRegisters {
diff --git a/src/arch/x86.rs b/src/arch/x86.rs
index 7c4c01d9ac..10254d54d8 100644
--- a/src/arch/x86.rs
+++ b/src/arch/x86.rs
@@ -164,6 +164,14 @@ pub struct IntRegisters {
     // pub gs: usize
 }
 
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(C)]
+pub struct FullContextRegs {
+    pub int: IntRegisters,
+    pub float: FloatRegisters,
+    pub env: EnvRegisters,
+}
+
 impl Deref for IntRegisters {
     type Target = [u8];
     fn deref(&self) -> &[u8] {
@@ -227,6 +235,29 @@ impl DerefMut for FloatRegisters {
     }
 }
 
+impl Deref for FullContextRegs {
+    type Target = [u8];
+    fn deref(&self) -> &[u8] {
+        unsafe {
+            slice::from_raw_parts(
+                self as *const FullContextRegs as *const u8,
+                mem::size_of::<FullContextRegs>(),
+            )
+        }
+    }
+}
+
+impl DerefMut for FullContextRegs {
+    fn deref_mut(&mut self) -> &mut [u8] {
+        unsafe {
+            slice::from_raw_parts_mut(
+                self as *mut FullContextRegs as *mut u8,
+                mem::size_of::<FullContextRegs>(),
+            )
+        }
+    }
+}
+
 #[derive(Clone, Copy, Debug, Default)]
 #[repr(C, packed)]
 pub struct EnvRegisters {
diff --git a/src/arch/x86_64.rs b/src/arch/x86_64.rs
index 93277e59c7..c73e44374b 100644
--- a/src/arch/x86_64.rs
+++ b/src/arch/x86_64.rs
@@ -81,6 +81,14 @@ pub struct IntRegisters {
     pub ss: usize,
 }
 
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(C)]
+pub struct FullContextRegs {
+    pub int: IntRegisters,
+    pub float: FloatRegisters,
+    pub env: EnvRegisters,
+}
+
 impl Deref for IntRegisters {
     type Target = [u8];
     fn deref(&self) -> &[u8] {
@@ -133,6 +141,29 @@ impl DerefMut for FloatRegisters {
         }
     }
 }
+
+impl Deref for FullContextRegs {
+    type Target = [u8];
+    fn deref(&self) -> &[u8] {
+        unsafe {
+            slice::from_raw_parts(
+                self as *const FullContextRegs as *const u8,
+                mem::size_of::<FullContextRegs>(),
+            )
+        }
+    }
+}
+
+impl DerefMut for FullContextRegs {
+    fn deref_mut(&mut self) -> &mut [u8] {
+        unsafe {
+            slice::from_raw_parts_mut(
+                self as *mut FullContextRegs as *mut u8,
+                mem::size_of::<FullContextRegs>(),
+            )
+        }
+    }
+}
 #[derive(Clone, Copy, Debug, Default)]
 #[repr(C, packed)]
 pub struct EnvRegisters {