From: Andrew Cooper <andrew.cooper3@citrix.com>
Date: Wed, 4 Dec 2019 13:02:01 +0000 (+0000)
Subject: Fix LTO build in xsa-consoleio-write
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=2e7a3504ee4efb11bc8a275bf9598932250ffec8;p=people%2Fandrewcoop%2Fxen-test-framework.git

Fix LTO build in xsa-consoleio-write

The compiler can't spot the assembly reference to zero_page[]

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
---

diff --git a/tests/xsa-consoleio-write/main.c b/tests/xsa-consoleio-write/main.c
index f10a625..11fd5c8 100644
--- a/tests/xsa-consoleio-write/main.c
+++ b/tests/xsa-consoleio-write/main.c
@@ -18,7 +18,7 @@
 
 const char test_title[] = "CONSOLEIO_write stack overflow PoC";
 
-uint8_t zero_page[PAGE_SIZE] __page_aligned_bss;
+uint8_t zero_page[PAGE_SIZE] __page_aligned_bss __used;
 
 /* Have the assembler build an L1/L2 pair mapping zero_page[] many times. */
 asm (".section \".data.page_aligned\", \"aw\";"