From 9cac089f8c51b3c47b1b42bd0b99766f69b296db Mon Sep 17 00:00:00 2001
From: Iuliana Prodan <iuliana.prodan@nxp.com>
Date: Sat, 11 Nov 2023 01:31:10 +0200
Subject: [PATCH] nxp_adsp: linker: Fix _heap_sentry reference

Add _heap_sentry value to fix build errors for
newlib, like: "undefined reference to `_heap_sentry'"

Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
---
 soc/xtensa/nxp_adsp/imx8m/linker.ld | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/soc/xtensa/nxp_adsp/imx8m/linker.ld b/soc/xtensa/nxp_adsp/imx8m/linker.ld
index feee4b288c7..b9d9303e96b 100644
--- a/soc/xtensa/nxp_adsp/imx8m/linker.ld
+++ b/soc/xtensa/nxp_adsp/imx8m/linker.ld
@@ -453,6 +453,8 @@ SECTIONS
   _end = ALIGN (8);
   PROVIDE(end = ALIGN (8));
 
+  /* Mostly unused, though newlib likes them */
+  _heap_sentry = .;
   __stack = SDRAM1_BASE + SDRAM1_SIZE;
   .comment  0 :  { *(.comment) }
   .debug  0 :  { *(.debug) }