Merge pull request #1867 from silvergasp/thread_local_globals

fix: Change all static variables to thread when fuzzing

3 files changed, 10 insertions, 3 deletions

diff --git a/src/common/tusb_compiler.h b/src/common/tusb_compiler.h
index a0a49d7ec..3eb6b41f7 100644
--- a/src/common/tusb_compiler.h
+++ b/src/common/tusb_compiler.h
@@ -61,6 +61,13 @@
   #define TU_VERIFY_STATIC(const_expr, _mess) enum { TU_XSTRCAT(_verify_static_, _TU_COUNTER_) = 1/(!!(const_expr)) }
 #endif
 
+/* --------------------- Fuzzing types -------------------------------------- */
+#ifdef _FUZZ
+  #define _fuzz_thread __thread
+#else
+  #define _fuzz_thread
+#endif
+
 // for declaration of reserved field, make use of _TU_COUNTER_
 #define TU_RESERVED           TU_XSTRCAT(reserved, _TU_COUNTER_)
 
diff --git a/src/common/tusb_debug.h b/src/common/tusb_debug.h
index 65fd1920d..e5f718f79 100644
--- a/src/common/tusb_debug.h
+++ b/src/common/tusb_debug.h
@@ -114,7 +114,7 @@ typedef struct
 
 static inline const char* tu_lookup_find(tu_lookup_table_t const* p_table, uint32_t key)
 {
-  static char not_found[11];
+  static _fuzz_thread char not_found[11];
 
   for(uint16_t i=0; i<p_table->count; i++)
   {
diff --git a/src/common/tusb_types.h b/src/common/tusb_types.h
index 82798a484..14d4365a0 100644
--- a/src/common/tusb_types.h
+++ b/src/common/tusb_types.h
@@ -529,13 +529,13 @@ TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_edpt_packet_size(tusb_desc_endpo
 #if CFG_TUSB_DEBUG
 TU_ATTR_ALWAYS_INLINE static inline const char *tu_edpt_dir_str(tusb_dir_t dir)
 {
-  static const char *str[] = {"out", "in"};
+  static _fuzz_thread const char *str[] = {"out", "in"};
   return str[dir];
 }
 
 TU_ATTR_ALWAYS_INLINE static inline const char *tu_edpt_type_str(tusb_xfer_type_t t)
 {
-  static const char *str[] = {"control", "isochronous", "bulk", "interrupt"};
+  static _fuzz_thread const char *str[] = {"control", "isochronous", "bulk", "interrupt"};
   return str[t];
 }
 #endif