[sw, macros] Add section and naked attributes
Signed-off-by: Silvestrs Timofejevs <silvestrst@lowrisc.org>
diff --git a/sw/device/lib/base/macros.h b/sw/device/lib/base/macros.h
index 12ab601..44a948a 100644
--- a/sw/device/lib/base/macros.h
+++ b/sw/device/lib/base/macros.h
@@ -115,6 +115,24 @@
#define OT_ATTR_WEAK __attribute__((weak))
/**
+ * Attribute to construct functions without prologue/epilogue sequences.
+ *
+ * Only basic asm statements can be safely included in naked functions.
+ *
+ * See https://gcc.gnu.org/onlinedocs/gcc/RISC-V-Function-Attributes.html
+ * #RISC-V-Function-Attributes
+ */
+#define OT_ATTR_NAKED __attribute__((naked))
+
+/**
+ * Attribute to place symbols into particular sections.
+ *
+ * See https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html
+ * #Common-Function-Attributes
+ */
+#define OT_ATTR_SECTION(name) __attribute__((section(name)))
+
+/**
* Returns the return address of the current function.
*
* See https://gcc.gnu.org/onlinedocs/gcc/Return-Address.html.
