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[newlib-cygwin] Fixed semihosting for ARM when heapinfo not provided by debugger.
- From: Corinna Vinschen <corinna at sourceware dot org>
- To: newlib-cvs at sourceware dot org
- Date: 21 Apr 2016 07:51:33 -0000
- Subject: [newlib-cygwin] Fixed semihosting for ARM when heapinfo not provided by debugger.
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=5c9403eaf40951f8a4f55ed65f661b485ff44be7
commit 5c9403eaf40951f8a4f55ed65f661b485ff44be7
Author: David Hoover <spm2@dangerous.li>
Date: Thu Apr 21 07:12:24 2016 +0200
Fixed semihosting for ARM when heapinfo not provided by debugger.
Diff:
---
libgloss/arm/crt0.S | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libgloss/arm/crt0.S b/libgloss/arm/crt0.S
index 7c662f9..35c306b 100644
--- a/libgloss/arm/crt0.S
+++ b/libgloss/arm/crt0.S
@@ -125,9 +125,11 @@
/* Set __heap_limit. */
ldr r1, [r0, #4]
+ cmp r1, #0
+ beq .LC33
ldr r2, =__heap_limit
str r1, [r2]
-
+.LC33:
ldr r1, [r0, #0]
cmp r1, #0
bne .LC32