Force 5-byte JMP in x86 and x86-64

Evian-Zhang · Aug 9, 2024 · 11068d6 · 11068d6
1 parent c12de5e
commit 11068d6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/arch/x86_64.rs b/src/arch/x86_64.rs
@@ -51,8 +51,8 @@ macro_rules! arch_static_key_init_jmp_asm_template {
         ::core::concat!(
             r#"
             2:
-                jmp {0}
-            .byte 0x90,0x90,0x90
+            .byte 0xe9
+            .long ({0} - 4) - .
             .pushsection "#,
             $crate::os_static_key_sec_name_attr!(),
             r#"