From: Billy Laws <[email protected]>
Calls to this are synthesized by the linker where it is used for calling
into import libraries, this is referred to as an 'Adjustor Thunk' in
ARM64EC documentation.
---
mingw-w64-crt/crt/chpe.S | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/mingw-w64-crt/crt/chpe.S b/mingw-w64-crt/crt/chpe.S
index 8311da132..20d962231 100644
--- a/mingw-w64-crt/crt/chpe.S
+++ b/mingw-w64-crt/crt/chpe.S
@@ -83,3 +83,26 @@ EXPORT_SYM(__chpe_metadata)
.rva __os_arm64x_helper6
.rva __os_arm64x_helper7
.rva __os_arm64x_helper8
+
+/*
+ * Calls to this are synthesized by the linker when calling into import
libraries,
+ * this is referred to as an 'Adjustor Thunk' in ARM64EC documentation.
+*/
+ .text
+ .balign 16
+EXPORT_SYM(__icall_helper_arm64ec)
+ .seh_proc "__icall_helper_arm64ec"
+ stp fp, lr, [sp, #-16]!
+ .seh_save_fplr_x 16
+ mov fp, sp
+ .seh_set_fp
+ .seh_endprologue
+ adrp x16, __os_arm64x_check_icall
+ ldr x16, [x16, #:lo12:__os_arm64x_check_icall]
+ blr x16
+ .seh_startepilogue
+ ldp fp, lr, [sp], #16
+ .seh_save_fplr_x 16
+ .seh_endepilogue
+ br x11
+ .seh_endproc
--
2.49.0
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