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diff --git a/libexec/rtld-elf/amd64/rtld_start.S b/libexec/rtld-elf/amd64/rtld_start.S
--- a/libexec/rtld-elf/amd64/rtld_start.S
+++ b/libexec/rtld-elf/amd64/rtld_start.S
@@ -30,8 +30,11 @@
.globl .rtld_start
.type .rtld_start,@function
.rtld_start:
+ .cfi_startproc
+ .cfi_undefined %rip
xorq %rbp,%rbp # Clear frame pointer for good form
subq $24,%rsp # A place to store exit procedure addr
+ .cfi_def_cfa_offset 32
movq %rdi,%r12
movq %rsp,%rsi # save address of exit proc
movq %rsp,%rdx # construct address of obj_main
@@ -47,6 +50,7 @@
.globl .rtld_goto_main
.rtld_goto_main: # This symbol exists just to make debugging easier.
jmp *%rax # Enter main program
+ .cfi_endproc
/*

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