diff --git a/.gitattributes b/.gitattributes
index 27affddb5f62..51513e0b43a7 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -108,8 +108,6 @@ otherlibs/unix/symlink_win32.c     typo.long-line
 utils/misc.ml            typo.utf8
 runtime/sak.c            typo.non-ascii
 
-stdlib/hashbang     typo.white-at-eol typo.missing-lf
-
 testsuite/tests/**                                      typo.missing-header typo.long-line=may
 testsuite/tests/lib-bigarray-2/bigarrf.f                typo.tab linguist-language=Fortran
 testsuite/tests/lib-unix/win-stat/fakeclock.c           typo.missing-header=false
diff --git a/Changes b/Changes
index 436cab790f0f..ceed485c6eb9 100644
--- a/Changes
+++ b/Changes
@@ -218,6 +218,11 @@ ___________
   runtime assertions.
   (Antonin Décimo, review by Miod Vallat, Gabriel Scherer, and David Allsopp)
 
+- #13496: Add missing .type and .size directives to main frametable to silence
+  warnings from the linker when using libasmrun_shared on amd64 and power. The
+  other backends already carried these directives.
+  (David Allsopp, review by ???)
+
 ### Code generation and optimizations:
 
 - #13014: Enable compile-time option -function-sections on all previously
diff --git a/runtime/amd64.S b/runtime/amd64.S
index c646f944df22..d74b63c0cc3e 100644
--- a/runtime/amd64.S
+++ b/runtime/amd64.S
@@ -77,8 +77,12 @@
 #if defined(SYS_linux) || defined(SYS_gnu)
 #define ENDFUNCTION(name) \
         .size name, . - name
+#define ENDOBJECT(name) \
+        .type name, @object; \
+        .size name, . - name;
 #else
 #define ENDFUNCTION(name)
+#define ENDOBJECT(name)
 #endif
 
 #include "../runtime/caml/asm.h"
@@ -1331,6 +1335,7 @@ G(caml_system.frametable):
         .quad   LBL(frame_runstack) /* return address into fiber_val_handler */
         .value  -1          /* negative frame size => use callback link */
         .value  0           /* no roots here */
+        ENDOBJECT(G(caml_system.frametable))
 
 #if defined(SYS_macosx)
         .literal16
diff --git a/runtime/power.S b/runtime/power.S
index e05a612f288d..34229c2e9157 100644
--- a/runtime/power.S
+++ b/runtime/power.S
@@ -1193,6 +1193,7 @@ caml_system.frametable:
         .short  -1              /* negative frame size => use callback link */
         .short  0               /* no roots here */
         .align 3
+        .size   caml_system.frametable, .-caml_system.frametable
 
 /* TOC entries */
 
diff --git a/stdlib/hashbang b/stdlib/hashbang
deleted file mode 100644
index 04c9334b637e..000000000000
--- a/stdlib/hashbang
+++ /dev/null
@@ -1 +0,0 @@
-#! 
\ No newline at end of file