x86-64 IBT support

xavierleroy · xavierleroy · commit 1a9917052a11 · 2025-08-25T10:28:41.000+02:00
Need to put endbr64 instructions at beginning of helper functions.

Now that we support PIE and PIC, these functions can be called indirectly through the PLT.
diff --git a/runtime/x86_64/sysdeps.h b/runtime/x86_64/sysdeps.h
@@ -57,7 +57,7 @@
 	.text; \
 	.globl f; \
 	.align 16; \
-f:
+f:	endbr64
 
 #define ENDFUNCTION(f) \
 	.type f, @function; .size f, . - f
diff --git a/test b/test
@@ -1 +1 @@
-Subproject commit 29085c328bd6c36ead1cf4319f6486a23f799656
+Subproject commit ddb2ea33a776bb576edb79a4476b06280087fb84
