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[3/5] aarch64: ilp32: add ilp32 compiler and linker flags

Message ID 1426500013-1276-4-git-send-email-bamvor.zhangjian@huawei.com
State Changes Requested
Headers show

Commit Message

Bamvor Jian Zhang March 16, 2015, 10 a.m. UTC 
In aarch64, lp64 is the default ABI. Need pass the special flags if
the user want to compile and link ilp32 application.

Signed-off-by: Zhang Jian(Bamvor) <bamvor.zhangjian@huawei.com>
---
 package/Makefile.in | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
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Patch

diff --git a/package/Makefile.in b/package/Makefile.in
index 803b162..23f376f 100644
--- a/package/Makefile.in
+++ b/package/Makefile.in
@@ -106,6 +106,14 @@  ifeq ($(BR2_arc)$(BR2_ARC_ATOMIC_EXT),yy)
 TARGET_ABI += -matomic
 endif
 
+ifeq ($(BR2_AARCH64_ILP32)$(BR2_aarch64),yy)
+TARGET_ABI += -mabi=ilp32 -Xlinker -maarch64linux32
+endif
+
+ifeq ($(BR2_AARCH64_ILP32)$(BR2_aarch64_be),yy)
+TARGET_ABI += -mabi=ilp32 -Xlinker -EB -Xlinker -maarch64linux32b
+endif
+
 STAGING_SUBDIR = usr/$(GNU_TARGET_NAME)/sysroot
 STAGING_DIR    = $(HOST_DIR)/$(STAGING_SUBDIR)
 
@@ -142,7 +150,7 @@  endif
 
 TARGET_CFLAGS = $(TARGET_CPPFLAGS) $(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
-TARGET_LDFLAGS = $(call qstrip,$(BR2_TARGET_LDFLAGS))
+TARGET_LDFLAGS = $(call qstrip,$(BR2_TARGET_LDFLAGS)) $(TARGET_ABI)
 
 ifeq ($(BR2_BINFMT_FLAT),y)
 TARGET_CFLAGS += $(if $($(PKG)_FLAT_STACKSIZE),-Wl$(comma)-elf2flt=-s$($(PKG)_FLAT_STACKSIZE),\