fix(core & legacy): better styled compiler checks

core/embed/bootloader/main.c

@@ -21,6 +21,7 @@
 #include <sys/types.h>
 
 #include "common.h"
+#include "compiler_traits.h"
 #include "display.h"
 #include "flash.h"
 #include "image.h"
@@ -36,20 +37,6 @@
 #include "messages.h"
 // #include "mpu.h"
 
-/*
- * Avoid accidental build with gcc versions having broken stack protector 9.2.1 - 10.2
- */
-#if defined(__GNUC__) && !defined(__llvm__)
-
-#define GCC_VERSION (__GNUC__ * 10000 \
-                     + __GNUC_MINOR__ * 100 \
-                     + __GNUC_PATCHLEVEL__)
-
-#if GCC_VERSION >= 90201 && GCC_VERSION <= 100200
-#error "ARM GCC versions 9.2.1 - 10.2 have broken stack smash protector, preventing build"
-#endif
-#endif
-
 const uint8_t BOOTLOADER_KEY_M = 2;
 const uint8_t BOOTLOADER_KEY_N = 3;
 static const uint8_t * const BOOTLOADER_KEYS[] = {

core/embed/firmware/main.c

@@ -38,6 +38,7 @@
 #include "bl_check.h"
 #include "button.h"
 #include "common.h"
+#include "compiler_traits.h"
 #include "display.h"
 #include "flash.h"
 #include "mpu.h"
@@ -53,20 +54,6 @@
 // from util.s
 extern void shutdown_privileged(void);
 
-/*
- * Avoid accidental build with gcc versions having broken stack protector 9.2.1 - 10.2
- */
-#if defined(__GNUC__) && !defined(__llvm__)
-
-#define GCC_VERSION (__GNUC__ * 10000 \
-                     + __GNUC_MINOR__ * 100 \
-                     + __GNUC_PATCHLEVEL__)
-
-#if GCC_VERSION >= 90201 && GCC_VERSION <= 100200
-#error "ARM GCC versions 9.2.1 - 10.2 have broken stack smash protector, preventing build"
-#endif
-#endif
-
 int main(void) {
   random_delays_init();
 

core/embed/trezorhal/compiler_traits.h

@@ -0,0 +1,38 @@
+/*
+ * This file is part of the Trezor project, https://trezor.io/
+ *
+ * Copyright (c) SatoshiLabs
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __COMPILER_TRAITS_H__
+#define __COMPILER_TRAITS_H__
+
+/*
+ * Avoid accidental build with gcc versions having broken stack protector 9.2.1 - 10.2
+ */
+#if defined(__GNUC__) && !defined(__llvm__)
+
+#define GCC_VERSION (__GNUC__ * 10000 \
+                     + __GNUC_MINOR__ * 100 \
+                     + __GNUC_PATCHLEVEL__)
+
+#if GCC_VERSION >= 90201 && GCC_VERSION <= 100200
+#pragma message "Only remove this GCC check if you are sure your compiler is patched or not used for production."
+#error "ARM GCC versions 9.2.1 - 10.2 have broken stack smash protector, aborting build."
+#endif
+#endif
+
+#endif

legacy/bootloader/bootloader.c

@@ -25,6 +25,7 @@
 
 #include "bootloader.h"
 #include "buttons.h"
+#include "compiler_traits.h"
 #include "layout.h"
 #include "memory.h"
 #include "oled.h"

legacy/compiler_traits.h

@@ -0,0 +1,39 @@
+/*
+ * This file is part of the Trezor project, https://trezor.io/
+ *
+ * Copyright (c) SatoshiLabs
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __COMPILER_TRAITS_H__
+#define __COMPILER_TRAITS_H__
+
+/*
+ * Avoid accidental build with gcc versions having broken stack protector 9.2.1 - 10.2
+ */
+#if defined(__GNUC__) && !defined(__llvm__)
+
+#define GCC_VERSION (__GNUC__ * 10000 \
+                     + __GNUC_MINOR__ * 100 \
+                     + __GNUC_PATCHLEVEL__)
+
+#if GCC_VERSION >= 90201 && GCC_VERSION <= 100200
+#pragma message "Only remove this GCC check if you are sure your compiler is patched or not used for production."
+#error "ARM GCC versions 9.2.1 - 10.2 have broken stack smash protector, aborting build."
+#endif
+#endif
+
+#endif
+

legacy/firmware/trezor.c

@@ -22,6 +22,7 @@
 #include "bl_check.h"
 #include "buttons.h"
 #include "common.h"
+#include "compiler_traits.h"
 #include "config.h"
 #include "gettext.h"
 #include "layout.h"
@@ -38,20 +39,6 @@
 #include "otp.h"
 #endif
 
-/*
- * Avoid accidental build with gcc versions having broken stack protector 9.2.1 - 10.2
- */
-#if defined(__GNUC__) && !defined(__llvm__)
-
-#define GCC_VERSION (__GNUC__ * 10000 \
-                     + __GNUC_MINOR__ * 100 \
-                     + __GNUC_PATCHLEVEL__)
-
-#if GCC_VERSION >= 90201 && GCC_VERSION <= 100200
-#error "ARM GCC versions 9.2.1 - 10.2 have broken stack smash protector, preventing build"
-#endif
-#endif
-
 /* Screen timeout */
 uint32_t system_millis_lock_start = 0;