lkml.org 
[lkml]   [2019]   [Jan]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v6 03/27] x86: Add macro to get symbol address for PIE support
Date
Add a new _ASM_MOVABS macro to fetch a symbol address. It will be used
to replace "_ASM_MOV $<symbol>, %dst" code construct that are not compatible
with PIE.

Signed-off-by: Thomas Garnier <thgarnie@chromium.org>
---
arch/x86/include/asm/asm.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h
index 6467757bb39f..5ff63ca80bca 100644
--- a/arch/x86/include/asm/asm.h
+++ b/arch/x86/include/asm/asm.h
@@ -30,6 +30,7 @@
#define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8)

#define _ASM_MOV __ASM_SIZE(mov)
+#define _ASM_MOVABS __ASM_SEL(movl, movabsq)
#define _ASM_INC __ASM_SIZE(inc)
#define _ASM_DEC __ASM_SIZE(dec)
#define _ASM_ADD __ASM_SIZE(add)
--
2.20.1.495.gaa96b0ce6b-goog
\
 
 \ /
  Last update: 2019-01-31 20:32    [W:0.037 / U:74.360 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site