anchao commented on code in PR #11288:
URL: https://github.com/apache/nuttx/pull/11288#discussion_r1410189933
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libs/libc/machine/arm/armv8-m/gnu/arch_strcpy.S:
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@@ -63,6 +71,13 @@
.type strcpy, %function
strcpy:
+#if __ARM_FEATURE_PAC_DEFAULT
+# if __ARM_FEATURE_BTI_DEFAULT
+ pacbti ip, lr, sp
+# else
+ pac ip, lr, sp
Review Comment:
Done
##########
libs/libc/machine/arm/armv8-m/gnu/arch_strcpy.S:
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@@ -209,6 +224,9 @@ strcpy:
mov tmp3, #0
strb tmp3, [dst]
pop {result, tmp1, tmp2, tmp3, src_offset}
+#if __ARM_FEATURE_PAC_DEFAULT
+ aut ip, lr, sp
Review Comment:
Done
##########
libs/libc/machine/arm/armv8-m/gnu/arch_strlen.S:
##########
@@ -108,6 +116,13 @@
#define tmp2 r5
def_fn strlen p2align=6
+#if __ARM_FEATURE_PAC_DEFAULT
+# if __ARM_FEATURE_BTI_DEFAULT
+ pacbti ip, lr, sp
+# else
+ pac ip, lr, sp
Review Comment:
Done
##########
libs/libc/machine/arm/armv8-m/gnu/arch_strlen.S:
##########
@@ -169,6 +184,9 @@ def_fn strlen p2align=6
clz data1a, data1a
ldrd r4, r5, [sp], #8
add result, result, data1a, lsr #3 /* Bits -> Bytes. */
+#if __ARM_FEATURE_PAC_DEFAULT
+ aut ip, lr, sp
Review Comment:
Done
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