[PATCH v9 02/11] x86: Add macro to get symbol address for PIE support

Thomas Garnier
2019-07-30T19:13:48Z

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 3ff577c0b102..3a686057e882 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)
--
2.22.0.770.g0f2c4a37fd-goog