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-rw-r--r--sysdeps/aarch64/dl-trampoline.S18
1 files changed, 18 insertions, 0 deletions
diff --git a/sysdeps/aarch64/dl-trampoline.S b/sysdeps/aarch64/dl-trampoline.S
index 2cbfa81434..794876fffa 100644
--- a/sysdeps/aarch64/dl-trampoline.S
+++ b/sysdeps/aarch64/dl-trampoline.S
@@ -127,7 +127,12 @@ _dl_runtime_resolve:
 	cfi_startproc
 	.align 2
 _dl_runtime_profile:
+# if HAVE_AARCH64_PAC_RET
+	PACIASP
+	cfi_window_save
+# else
 	BTI_C
+# endif
 	/* AArch64 we get called with:
 	   ip0		&PLTGOT[2]
 	   ip1		temp(dl resolver entry point)
@@ -239,8 +244,17 @@ _dl_runtime_profile:
 	cfi_restore(x29)
 	cfi_restore(x30)
 
+# if HAVE_AARCH64_PAC_RET
+	add	sp, sp, SF_SIZE
+	cfi_adjust_cfa_offset (-SF_SIZE)
+	AUTIASP
+	cfi_window_save
+	add	sp, sp, 16
+	cfi_adjust_cfa_offset (-16)
+# else
 	add	sp, sp, SF_SIZE + 16
 	cfi_adjust_cfa_offset (- SF_SIZE - 16)
+# endif
 
 	/* Jump to the newly found address.  */
 	br	ip0
@@ -287,6 +301,10 @@ _dl_runtime_profile:
 	/* LR from within La_aarch64_reg */
 	ldr	lr, [x29, #OFFSET_RG + DL_OFFSET_RG_LR]
 	cfi_restore(lr)
+# if HAVE_AARCH64_PAC_RET
+	/* Note: LR restored from La_aarch64_reg has no PAC.  */
+	cfi_window_save
+# endif
 	mov	sp, x29
 	cfi_def_cfa_register (sp)
 	ldr	x29, [x29, #0]