From c9c38252ecff4ce7dd658fc8c6553925c9aaa50c Mon Sep 17 00:00:00 2001
From: Graham Sanderson <graham.sanderson@raspberrypi.com>
Date: Wed, 21 May 2025 06:57:09 -0500
Subject: [PATCH] remove assembler warning if StackSize or HeapSize are
 explicitly set to zero (#2465)

---
 src/rp2_common/pico_crt0/crt0.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/rp2_common/pico_crt0/crt0.S b/src/rp2_common/pico_crt0/crt0.S
index 502c4fdb..3e6c692d 100644
--- a/src/rp2_common/pico_crt0/crt0.S
+++ b/src/rp2_common/pico_crt0/crt0.S
@@ -573,11 +573,15 @@ spacer_section .stack
 // align to allow for memory protection (although this alignment is pretty much ignored by linker script)
 .p2align 5
     .equ StackSize, PICO_STACK_SIZE
+.if StackSize != 0
 .space StackSize
+.endif
 
 spacer_section .heap
 .p2align 2
     .equ HeapSize, PICO_HEAP_SIZE
+.if HeapSize != 0
 .space HeapSize
+.endif
 
 #include "embedded_end_block.inc.S"