Replace uses of endbr64 with _CET_ENDBR from cet.h

cet.h is needed for other platforms to emit the relevant .gnu.properties
sections that are necessary for them to enable IBT. It also avoids issues
with older toolchains on macOS that explode on encountering endbr64.

based on a diff by kettenis
ok beck kettenis

11 files changed, 11 insertions, 11 deletions

diff --git a/src/lib/libcrypto/bn/arch/amd64/bignum_add.S b/src/lib/libcrypto/bn/arch/amd64/bignum_add.S
index 06298ca69e..5fe4aae7a1 100644
--- a/src/lib/libcrypto/bn/arch/amd64/bignum_add.S
+++ b/src/lib/libcrypto/bn/arch/amd64/bignum_add.S
@@ -49,7 +49,7 @@
 
 
 S2N_BN_SYMBOL(bignum_add):
-        endbr64
+        _CET_ENDBR
 
 #if WINDOWS_ABI
         push    rdi
diff --git a/src/lib/libcrypto/bn/arch/amd64/bignum_cmadd.S b/src/lib/libcrypto/bn/arch/amd64/bignum_cmadd.S
index 5ad712749f..25ba17bce2 100644
--- a/src/lib/libcrypto/bn/arch/amd64/bignum_cmadd.S
+++ b/src/lib/libcrypto/bn/arch/amd64/bignum_cmadd.S
@@ -54,7 +54,7 @@
 
 
 S2N_BN_SYMBOL(bignum_cmadd):
-        endbr64
+        _CET_ENDBR
 
 #if WINDOWS_ABI
         push    rdi
diff --git a/src/lib/libcrypto/bn/arch/amd64/bignum_cmul.S b/src/lib/libcrypto/bn/arch/amd64/bignum_cmul.S
index 9199c8f48b..12f785d63a 100644
--- a/src/lib/libcrypto/bn/arch/amd64/bignum_cmul.S
+++ b/src/lib/libcrypto/bn/arch/amd64/bignum_cmul.S
@@ -51,7 +51,7 @@
 
 
 S2N_BN_SYMBOL(bignum_cmul):
-        endbr64
+        _CET_ENDBR
 
 #if WINDOWS_ABI
         push    rdi
diff --git a/src/lib/libcrypto/bn/arch/amd64/bignum_mul.S b/src/lib/libcrypto/bn/arch/amd64/bignum_mul.S
index 2d7ed19091..a3552679a2 100644
--- a/src/lib/libcrypto/bn/arch/amd64/bignum_mul.S
+++ b/src/lib/libcrypto/bn/arch/amd64/bignum_mul.S
@@ -59,7 +59,7 @@
 
 
 S2N_BN_SYMBOL(bignum_mul):
-        endbr64
+        _CET_ENDBR
 
 #if WINDOWS_ABI
         push    rdi
diff --git a/src/lib/libcrypto/bn/arch/amd64/bignum_mul_4_8_alt.S b/src/lib/libcrypto/bn/arch/amd64/bignum_mul_4_8_alt.S
index f02b09b288..70ff69e372 100644
--- a/src/lib/libcrypto/bn/arch/amd64/bignum_mul_4_8_alt.S
+++ b/src/lib/libcrypto/bn/arch/amd64/bignum_mul_4_8_alt.S
@@ -72,7 +72,7 @@
         adc     h, rdx
 
 S2N_BN_SYMBOL(bignum_mul_4_8_alt):
-        endbr64
+        _CET_ENDBR
 
 #if WINDOWS_ABI
         push    rdi
diff --git a/src/lib/libcrypto/bn/arch/amd64/bignum_mul_8_16_alt.S b/src/lib/libcrypto/bn/arch/amd64/bignum_mul_8_16_alt.S
index 97be83e1f7..066403b074 100644
--- a/src/lib/libcrypto/bn/arch/amd64/bignum_mul_8_16_alt.S
+++ b/src/lib/libcrypto/bn/arch/amd64/bignum_mul_8_16_alt.S
@@ -72,7 +72,7 @@
         adc     h, rdx
 
 S2N_BN_SYMBOL(bignum_mul_8_16_alt):
-        endbr64
+        _CET_ENDBR
 
 #if WINDOWS_ABI
         push    rdi
diff --git a/src/lib/libcrypto/bn/arch/amd64/bignum_sqr.S b/src/lib/libcrypto/bn/arch/amd64/bignum_sqr.S
index c4a0cabf35..54e3f59442 100644
--- a/src/lib/libcrypto/bn/arch/amd64/bignum_sqr.S
+++ b/src/lib/libcrypto/bn/arch/amd64/bignum_sqr.S
@@ -62,7 +62,7 @@
 #define llshort ebp
 
 S2N_BN_SYMBOL(bignum_sqr):
-        endbr64
+        _CET_ENDBR
 
 #if WINDOWS_ABI
         push    rdi
diff --git a/src/lib/libcrypto/bn/arch/amd64/bignum_sqr_4_8_alt.S b/src/lib/libcrypto/bn/arch/amd64/bignum_sqr_4_8_alt.S
index b228414dce..7c534ae907 100644
--- a/src/lib/libcrypto/bn/arch/amd64/bignum_sqr_4_8_alt.S
+++ b/src/lib/libcrypto/bn/arch/amd64/bignum_sqr_4_8_alt.S
@@ -71,7 +71,7 @@
         adc     c, 0
 
 S2N_BN_SYMBOL(bignum_sqr_4_8_alt):
-        endbr64
+        _CET_ENDBR
 
 #if WINDOWS_ABI
         push    rdi
diff --git a/src/lib/libcrypto/bn/arch/amd64/bignum_sqr_8_16_alt.S b/src/lib/libcrypto/bn/arch/amd64/bignum_sqr_8_16_alt.S
index 04efeec7e2..ac0b6f96c2 100644
--- a/src/lib/libcrypto/bn/arch/amd64/bignum_sqr_8_16_alt.S
+++ b/src/lib/libcrypto/bn/arch/amd64/bignum_sqr_8_16_alt.S
@@ -103,7 +103,7 @@
         adc     c, 0
 
 S2N_BN_SYMBOL(bignum_sqr_8_16_alt):
-        endbr64
+        _CET_ENDBR
 
 #if WINDOWS_ABI
         push    rdi
diff --git a/src/lib/libcrypto/bn/arch/amd64/bignum_sub.S b/src/lib/libcrypto/bn/arch/amd64/bignum_sub.S
index 11a9bd7edd..3ff8a30510 100644
--- a/src/lib/libcrypto/bn/arch/amd64/bignum_sub.S
+++ b/src/lib/libcrypto/bn/arch/amd64/bignum_sub.S
@@ -49,7 +49,7 @@
 
 
 S2N_BN_SYMBOL(bignum_sub):
-        endbr64
+        _CET_ENDBR
 
 #if WINDOWS_ABI
         push    rdi
diff --git a/src/lib/libcrypto/bn/arch/amd64/word_clz.S b/src/lib/libcrypto/bn/arch/amd64/word_clz.S
index 464a9d90fc..3926fcd4b0 100644
--- a/src/lib/libcrypto/bn/arch/amd64/word_clz.S
+++ b/src/lib/libcrypto/bn/arch/amd64/word_clz.S
@@ -30,7 +30,7 @@
         .text
 
 S2N_BN_SYMBOL(word_clz):
-        endbr64
+        _CET_ENDBR
 
 #if WINDOWS_ABI
         push    rdi