diff --git a/wolfcrypt/src/port/arm/armv8-32-aes-asm.S b/wolfcrypt/src/port/arm/armv8-32-aes-asm.S
index 553acadc2..a98ae9454 100644
--- a/wolfcrypt/src/port/arm/armv8-32-aes-asm.S
+++ b/wolfcrypt/src/port/arm/armv8-32-aes-asm.S
@@ -31,7 +31,7 @@
 #include <wolfssl/wolfcrypt/settings.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #ifndef WOLFSSL_ARMASM_INLINE
 #ifndef NO_AES
 #ifdef HAVE_AES_DECRYPT
diff --git a/wolfcrypt/src/port/arm/armv8-32-aes-asm_c.c b/wolfcrypt/src/port/arm/armv8-32-aes-asm_c.c
index c21fbea52..14a8922e6 100644
--- a/wolfcrypt/src/port/arm/armv8-32-aes-asm_c.c
+++ b/wolfcrypt/src/port/arm/armv8-32-aes-asm_c.c
@@ -32,7 +32,7 @@
 #include <wolfssl/wolfcrypt/error-crypt.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #include <stdint.h>
 #ifdef HAVE_CONFIG_H
     #include <config.h>
@@ -42,7 +42,7 @@
 #ifdef WOLFSSL_ARMASM_INLINE
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 
 #ifdef __IAR_SYSTEMS_ICC__
 #define __asm__        asm
@@ -4854,7 +4854,7 @@ void AES_GCM_encrypt(const unsigned char* in_p, unsigned char* out_p,
 #endif /* !NO_AES */
 #endif /* !__aarch64__ && __arm__ && !__thumb__ */
 #endif /* WOLFSSL_ARMASM */
-#endif /* !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__) */
+#endif /* !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__)) */
 #endif /* WOLFSSL_ARMASM */
 
 #endif /* WOLFSSL_ARMASM_INLINE */
diff --git a/wolfcrypt/src/port/arm/armv8-32-chacha-asm.S b/wolfcrypt/src/port/arm/armv8-32-chacha-asm.S
index b19bf515c..53ccdaaaa 100644
--- a/wolfcrypt/src/port/arm/armv8-32-chacha-asm.S
+++ b/wolfcrypt/src/port/arm/armv8-32-chacha-asm.S
@@ -31,7 +31,7 @@
 #include <wolfssl/wolfcrypt/settings.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #ifndef WOLFSSL_ARMASM_INLINE
 #ifdef HAVE_CHACHA
 	.text
diff --git a/wolfcrypt/src/port/arm/armv8-32-chacha-asm_c.c b/wolfcrypt/src/port/arm/armv8-32-chacha-asm_c.c
index 201cf2ee3..16039f247 100644
--- a/wolfcrypt/src/port/arm/armv8-32-chacha-asm_c.c
+++ b/wolfcrypt/src/port/arm/armv8-32-chacha-asm_c.c
@@ -32,7 +32,7 @@
 #include <wolfssl/wolfcrypt/error-crypt.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #include <stdint.h>
 #ifdef HAVE_CONFIG_H
     #include <config.h>
@@ -42,7 +42,7 @@
 #ifdef WOLFSSL_ARMASM_INLINE
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 
 #ifdef __IAR_SYSTEMS_ICC__
 #define __asm__        asm
@@ -570,7 +570,7 @@ void wc_chacha_use_over(byte* over_p, byte* output_p, const byte* input_p,
 #endif /* HAVE_CHACHA */
 #endif /* !__aarch64__ && __arm__ && !__thumb__ */
 #endif /* WOLFSSL_ARMASM */
-#endif /* !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__) */
+#endif /* !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__)) */
 #endif /* WOLFSSL_ARMASM */
 
 #endif /* WOLFSSL_ARMASM_INLINE */
diff --git a/wolfcrypt/src/port/arm/armv8-32-curve25519.S b/wolfcrypt/src/port/arm/armv8-32-curve25519.S
index 669c3c023..73c3151cb 100644
--- a/wolfcrypt/src/port/arm/armv8-32-curve25519.S
+++ b/wolfcrypt/src/port/arm/armv8-32-curve25519.S
@@ -31,7 +31,7 @@
 #include <wolfssl/wolfcrypt/settings.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #ifndef WOLFSSL_ARMASM_INLINE
 #if defined(HAVE_CURVE25519) || defined(HAVE_ED25519)
 #if !defined(CURVE25519_SMALL) || !defined(ED25519_SMALL)
diff --git a/wolfcrypt/src/port/arm/armv8-32-curve25519_c.c b/wolfcrypt/src/port/arm/armv8-32-curve25519_c.c
index cd778c1d5..709b7d60b 100644
--- a/wolfcrypt/src/port/arm/armv8-32-curve25519_c.c
+++ b/wolfcrypt/src/port/arm/armv8-32-curve25519_c.c
@@ -32,7 +32,7 @@
 #include <wolfssl/wolfcrypt/error-crypt.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #include <stdint.h>
 #ifdef HAVE_CONFIG_H
     #include <config.h>
@@ -42,7 +42,7 @@
 #ifdef WOLFSSL_ARMASM_INLINE
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 
 #ifdef __IAR_SYSTEMS_ICC__
 #define __asm__        asm
@@ -9430,7 +9430,7 @@ void sc_muladd(byte* s_p, const byte* a_p, const byte* b_p, const byte* c_p)
 #endif /* HAVE_CURVE25519 || HAVE_ED25519 */
 #endif /* !__aarch64__ && __arm__ && !__thumb__ */
 #endif /* WOLFSSL_ARMASM */
-#endif /* !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__) */
+#endif /* !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__)) */
 #endif /* WOLFSSL_ARMASM */
 
 #endif /* WOLFSSL_ARMASM_INLINE */
diff --git a/wolfcrypt/src/port/arm/armv8-32-kyber-asm.S b/wolfcrypt/src/port/arm/armv8-32-kyber-asm.S
index e24888a27..3ccd894d0 100644
--- a/wolfcrypt/src/port/arm/armv8-32-kyber-asm.S
+++ b/wolfcrypt/src/port/arm/armv8-32-kyber-asm.S
@@ -31,7 +31,7 @@
 #include <wolfssl/wolfcrypt/settings.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #ifndef WOLFSSL_ARMASM_INLINE
 #ifdef WOLFSSL_WC_KYBER
 	.text
diff --git a/wolfcrypt/src/port/arm/armv8-32-kyber-asm_c.c b/wolfcrypt/src/port/arm/armv8-32-kyber-asm_c.c
index df4285015..acf3a39b2 100644
--- a/wolfcrypt/src/port/arm/armv8-32-kyber-asm_c.c
+++ b/wolfcrypt/src/port/arm/armv8-32-kyber-asm_c.c
@@ -32,7 +32,7 @@
 #include <wolfssl/wolfcrypt/error-crypt.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #include <stdint.h>
 #ifdef HAVE_CONFIG_H
     #include <config.h>
@@ -42,7 +42,7 @@
 #ifdef WOLFSSL_ARMASM_INLINE
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 
 #ifdef __IAR_SYSTEMS_ICC__
 #define __asm__        asm
@@ -9233,7 +9233,7 @@ unsigned int kyber_arm32_rej_uniform(sword16* p_p, unsigned int len_p,
 #endif /* WOLFSSL_WC_KYBER */
 #endif /* !__aarch64__ && __arm__ && !__thumb__ */
 #endif /* WOLFSSL_ARMASM */
-#endif /* !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__) */
+#endif /* !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__)) */
 #endif /* WOLFSSL_ARMASM */
 
 #endif /* WOLFSSL_ARMASM_INLINE */
diff --git a/wolfcrypt/src/port/arm/armv8-32-poly1305-asm.S b/wolfcrypt/src/port/arm/armv8-32-poly1305-asm.S
index 63409c849..5e8814dd6 100644
--- a/wolfcrypt/src/port/arm/armv8-32-poly1305-asm.S
+++ b/wolfcrypt/src/port/arm/armv8-32-poly1305-asm.S
@@ -31,7 +31,7 @@
 #include <wolfssl/wolfcrypt/settings.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #ifndef WOLFSSL_ARMASM_INLINE
 #ifdef HAVE_POLY1305
 	.text
diff --git a/wolfcrypt/src/port/arm/armv8-32-poly1305-asm_c.c b/wolfcrypt/src/port/arm/armv8-32-poly1305-asm_c.c
index b1985b9a2..dc0dffed8 100644
--- a/wolfcrypt/src/port/arm/armv8-32-poly1305-asm_c.c
+++ b/wolfcrypt/src/port/arm/armv8-32-poly1305-asm_c.c
@@ -32,7 +32,7 @@
 #include <wolfssl/wolfcrypt/error-crypt.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #include <stdint.h>
 #ifdef HAVE_CONFIG_H
     #include <config.h>
@@ -42,7 +42,7 @@
 #ifdef WOLFSSL_ARMASM_INLINE
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 
 #ifdef __IAR_SYSTEMS_ICC__
 #define __asm__        asm
@@ -389,7 +389,7 @@ void poly1305_final(Poly1305* ctx_p, byte* mac_p)
 #endif /* HAVE_POLY1305 */
 #endif /* !__aarch64__ && __arm__ && !__thumb__ */
 #endif /* WOLFSSL_ARMASM */
-#endif /* !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__) */
+#endif /* !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__)) */
 #endif /* WOLFSSL_ARMASM */
 
 #endif /* WOLFSSL_ARMASM_INLINE */
diff --git a/wolfcrypt/src/port/arm/armv8-32-sha256-asm.S b/wolfcrypt/src/port/arm/armv8-32-sha256-asm.S
index bcbf3273a..58464f60e 100644
--- a/wolfcrypt/src/port/arm/armv8-32-sha256-asm.S
+++ b/wolfcrypt/src/port/arm/armv8-32-sha256-asm.S
@@ -31,7 +31,7 @@
 #include <wolfssl/wolfcrypt/settings.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #ifndef WOLFSSL_ARMASM_INLINE
 #ifndef NO_SHA256
 #ifdef WOLFSSL_ARMASM_NO_NEON
diff --git a/wolfcrypt/src/port/arm/armv8-32-sha256-asm_c.c b/wolfcrypt/src/port/arm/armv8-32-sha256-asm_c.c
index 0a2e15e9b..22f112338 100644
--- a/wolfcrypt/src/port/arm/armv8-32-sha256-asm_c.c
+++ b/wolfcrypt/src/port/arm/armv8-32-sha256-asm_c.c
@@ -32,7 +32,7 @@
 #include <wolfssl/wolfcrypt/error-crypt.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #include <stdint.h>
 #ifdef HAVE_CONFIG_H
     #include <config.h>
@@ -42,7 +42,7 @@
 #ifdef WOLFSSL_ARMASM_INLINE
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 
 #ifdef __IAR_SYSTEMS_ICC__
 #define __asm__        asm
@@ -2812,7 +2812,7 @@ void Transform_Sha256_Len(wc_Sha256* sha256_p, const byte* data_p, word32 len_p)
 #endif /* !NO_SHA256 */
 #endif /* !__aarch64__ && __arm__ && !__thumb__ */
 #endif /* WOLFSSL_ARMASM */
-#endif /* !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__) */
+#endif /* !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__)) */
 #endif /* WOLFSSL_ARMASM */
 
 #endif /* WOLFSSL_ARMASM_INLINE */
diff --git a/wolfcrypt/src/port/arm/armv8-32-sha3-asm.S b/wolfcrypt/src/port/arm/armv8-32-sha3-asm.S
index 7d2c60a89..53c54901c 100644
--- a/wolfcrypt/src/port/arm/armv8-32-sha3-asm.S
+++ b/wolfcrypt/src/port/arm/armv8-32-sha3-asm.S
@@ -31,7 +31,7 @@
 #include <wolfssl/wolfcrypt/settings.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #ifndef WOLFSSL_ARMASM_INLINE
 #ifdef WOLFSSL_SHA3
 #ifndef WOLFSSL_ARMASM_NO_NEON
diff --git a/wolfcrypt/src/port/arm/armv8-32-sha3-asm_c.c b/wolfcrypt/src/port/arm/armv8-32-sha3-asm_c.c
index 832aac1cb..d3208d9d3 100644
--- a/wolfcrypt/src/port/arm/armv8-32-sha3-asm_c.c
+++ b/wolfcrypt/src/port/arm/armv8-32-sha3-asm_c.c
@@ -32,7 +32,7 @@
 #include <wolfssl/wolfcrypt/error-crypt.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #include <stdint.h>
 #ifdef HAVE_CONFIG_H
     #include <config.h>
@@ -42,7 +42,7 @@
 #ifdef WOLFSSL_ARMASM_INLINE
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 
 #ifdef __IAR_SYSTEMS_ICC__
 #define __asm__        asm
@@ -2357,7 +2357,7 @@ void BlockSha3(word64* state_p)
 #endif /* WOLFSSL_SHA3 */
 #endif /* !__aarch64__ && __arm__ && !__thumb__ */
 #endif /* WOLFSSL_ARMASM */
-#endif /* !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__) */
+#endif /* !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__)) */
 #endif /* WOLFSSL_ARMASM */
 
 #endif /* WOLFSSL_ARMASM_INLINE */
diff --git a/wolfcrypt/src/port/arm/armv8-32-sha512-asm.S b/wolfcrypt/src/port/arm/armv8-32-sha512-asm.S
index 1df40cfc8..429af4b2c 100644
--- a/wolfcrypt/src/port/arm/armv8-32-sha512-asm.S
+++ b/wolfcrypt/src/port/arm/armv8-32-sha512-asm.S
@@ -31,7 +31,7 @@
 #include <wolfssl/wolfcrypt/settings.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #ifndef WOLFSSL_ARMASM_INLINE
 #ifdef WOLFSSL_SHA512
 #ifdef WOLFSSL_ARMASM_NO_NEON
diff --git a/wolfcrypt/src/port/arm/armv8-32-sha512-asm_c.c b/wolfcrypt/src/port/arm/armv8-32-sha512-asm_c.c
index eaaa6c7e8..aa71f6235 100644
--- a/wolfcrypt/src/port/arm/armv8-32-sha512-asm_c.c
+++ b/wolfcrypt/src/port/arm/armv8-32-sha512-asm_c.c
@@ -32,7 +32,7 @@
 #include <wolfssl/wolfcrypt/error-crypt.h>
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 #include <stdint.h>
 #ifdef HAVE_CONFIG_H
     #include <config.h>
@@ -42,7 +42,7 @@
 #ifdef WOLFSSL_ARMASM_INLINE
 
 #ifdef WOLFSSL_ARMASM
-#if !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__)
+#if !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__))
 
 #ifdef __IAR_SYSTEMS_ICC__
 #define __asm__        asm
@@ -9169,7 +9169,7 @@ void Transform_Sha512_Len(wc_Sha512* sha512_p, const byte* data_p, word32 len_p)
 #endif /* WOLFSSL_SHA512 */
 #endif /* !__aarch64__ && __arm__ && !__thumb__ */
 #endif /* WOLFSSL_ARMASM */
-#endif /* !defined(__aarch64__) && defined(__arm__) && !defined(__thumb__) */
+#endif /* !defined(__aarch64__) && defined(__arm__) && (!defined(__thumb__) || defined(__THUMB_INTERWORK__)) */
 #endif /* WOLFSSL_ARMASM */
 
 #endif /* WOLFSSL_ARMASM_INLINE */