IOv1: Error handling pointer hackery

10 years ago · 1ab23739ad
1 changed files with 5 additions and 0 deletions
--- a/nuttx-configs/px4io-v1/scripts/ld.script
+++ b/nuttx-configs/px4io-v1/scripts/ld.script
@ -72,6 +72,11 @@ SECTIONS
				@@ -72,6 +72,11 @@ SECTIONS
 		*(.gcc_except_table)
 		*(.gnu.linkonce.r.*)
 		_etext = ABSOLUTE(.);
+		/* 
+		 * This is a hack to make the newlib libm __errno() call
+		 * use the NuttX get_errno_ptr() function.
+		 */
+		__errno = get_errno_ptr;
 	} > flash

 	/*