From 2193df1d6247b76fc2aba031e9850159ccf8787c Mon Sep 17 00:00:00 2001
From: Daniel Pouzzner <douzzer@wolfssl.com>
Date: Fri, 10 Dec 2021 23:57:14 -0600
Subject: [PATCH] add WOLFSSL_ECC_NO_SMALL_STACK.

---
 wolfcrypt/src/ecc.c     | 5 +++++
 wolfssl/wolfcrypt/ecc.h | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/wolfcrypt/src/ecc.c b/wolfcrypt/src/ecc.c
index 65d668c4b..4c4c4e67f 100644
--- a/wolfcrypt/src/ecc.c
+++ b/wolfcrypt/src/ecc.c
@@ -28,6 +28,11 @@
 /* in case user set HAVE_ECC there */
 #include <wolfssl/wolfcrypt/settings.h>
 
+#ifdef WOLFSSL_ECC_NO_SMALL_STACK
+#undef WOLFSSL_SMALL_STACK
+#undef WOLFSSL_SMALL_STACK_CACHE
+#endif
+
 /*
 Possible ECC enable options:
  * HAVE_ECC:            Overall control of ECC                  default: on
diff --git a/wolfssl/wolfcrypt/ecc.h b/wolfssl/wolfcrypt/ecc.h
index fa97b11fc..50db1e22e 100644
--- a/wolfssl/wolfcrypt/ecc.h
+++ b/wolfssl/wolfcrypt/ecc.h
@@ -395,7 +395,7 @@ typedef struct {
     mp_int* z;        /* The z coordinate */
     alt_fp_int xyz[3];
 #endif
-#ifdef WOLFSSL_SMALL_STACK_CACHE
+#if defined(WOLFSSL_SMALL_STACK_CACHE) && !defined(WOLFSSL_ECC_NO_SMALL_STACK)
     ecc_key* key;
 #endif
 } ecc_point;
@@ -496,7 +496,7 @@ struct ecc_key {
     byte deterministic:1;
 #endif
 
-#ifdef WOLFSSL_SMALL_STACK_CACHE
+#if defined(WOLFSSL_SMALL_STACK_CACHE) && !defined(WOLFSSL_ECC_NO_SMALL_STACK)
     mp_int* t1;
     mp_int* t2;
 #ifdef ALT_ECC_SIZE