adjust signal trampoline address

Author: sunhaosheng-kylin

core/src/config/aarch64.rs

@@ -21,5 +21,5 @@ pub const USER_HEAP_SIZE_MAX: usize = 0x2000_0000;
 /// The base address for user interpreter.
 pub const USER_INTERP_BASE: usize = 0x400_0000;
 
-/// The address of signal trampoline (placed at top of user space).
-pub const SIGNAL_TRAMPOLINE: usize = USER_SPACE_BASE + USER_SPACE_SIZE - 0x1000;
+/// The address of signal trampoline (placed at top of user heap).
+pub const SIGNAL_TRAMPOLINE: usize = 0x6000_1000;

core/src/config/loongarch64.rs

@@ -21,5 +21,5 @@ pub const USER_HEAP_SIZE_MAX: usize = 0x2000_0000;  // 512MB
 /// The base address for user interpreter.
 pub const USER_INTERP_BASE: usize = 0x400_0000;
 
-/// The address of signal trampoline (placed at top of user space).
-pub const SIGNAL_TRAMPOLINE: usize = USER_SPACE_BASE + USER_SPACE_SIZE - 0x1000;
+/// The address of signal trampoline (placed at top of user heap).
+pub const SIGNAL_TRAMPOLINE: usize = 0x6000_1000;

core/src/config/riscv64.rs

@@ -21,5 +21,5 @@ pub const USER_HEAP_SIZE_MAX: usize = 0x2000_0000;
 /// The base address for user interpreter.
 pub const USER_INTERP_BASE: usize = 0x400_0000;
 
-/// The address of signal trampoline (placed at top of user space).
-pub const SIGNAL_TRAMPOLINE: usize = USER_SPACE_BASE + USER_SPACE_SIZE - 0x1000;
+/// The address of signal trampoline (placed at top of user heap).
+pub const SIGNAL_TRAMPOLINE: usize = 0x6000_1000;

core/src/config/x86_64.rs

@@ -21,5 +21,5 @@ pub const USER_HEAP_SIZE_MAX: usize = 0x2000_0000;
 /// The base address for user interpreter.
 pub const USER_INTERP_BASE: usize = 0x400_0000;
 
-/// The address of signal trampoline (placed at top of user space).
-pub const SIGNAL_TRAMPOLINE: usize = USER_SPACE_BASE + USER_SPACE_SIZE - 0x1000;
+/// The address of signal trampoline (placed at top of user heap).
+pub const SIGNAL_TRAMPOLINE: usize = 0x6000_1000;