[U-Boot] [PATCH 1/3] Kbuild: add LDFLAGS_STANDALONE
Daniel Schwierzeck
daniel.schwierzeck at gmail.com
Sun Sep 23 17:15:15 UTC 2018
Introduce a new Makefile variable for passing LDFLAGS to standalone
programs. Currently the variable CONFIG_STANDALONE_LOAD_ADDR is
misued on some archs to pass a specific linker script.
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck at gmail.com>
---
arch/mips/cpu/mips32/config.mk | 4 ++--
arch/mips/cpu/mips64/config.mk | 4 ++--
arch/nds32/config.mk | 4 ++--
arch/riscv/config.mk | 4 ++--
arch/sh/config.mk | 2 +-
config.mk | 2 ++
examples/standalone/Makefile | 4 +++-
7 files changed, 14 insertions(+), 10 deletions(-)
diff --git a/arch/mips/cpu/mips32/config.mk b/arch/mips/cpu/mips32/config.mk
index a0247596f5..662e4f8fc8 100644
--- a/arch/mips/cpu/mips32/config.mk
+++ b/arch/mips/cpu/mips32/config.mk
@@ -3,5 +3,5 @@
# (C) Copyright 2003
# Wolfgang Denk, DENX Software Engineering, <wd at denx.de>
-CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000 \
- -T $(srctree)/examples/standalone/mips.lds
+CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000
+LDFLAGS_STANDALONE += -T $(srctree)/examples/standalone/mips.lds
diff --git a/arch/mips/cpu/mips64/config.mk b/arch/mips/cpu/mips64/config.mk
index cd96bbcce9..6a53976b5c 100644
--- a/arch/mips/cpu/mips64/config.mk
+++ b/arch/mips/cpu/mips64/config.mk
@@ -3,5 +3,5 @@
# (C) Copyright 2003
# Wolfgang Denk, DENX Software Engineering, <wd at denx.de>
-CONFIG_STANDALONE_LOAD_ADDR ?= 0xffffffff80200000 \
- -T $(srctree)/examples/standalone/mips64.lds
+CONFIG_STANDALONE_LOAD_ADDR ?= 0xffffffff80200000
+LDFLAGS_STANDALONE += -T $(srctree)/examples/standalone/mips64.lds
diff --git a/arch/nds32/config.mk b/arch/nds32/config.mk
index cb3d8b35b5..0a93fd428d 100644
--- a/arch/nds32/config.mk
+++ b/arch/nds32/config.mk
@@ -12,8 +12,8 @@ ifeq ($(CROSS_COMPILE),)
CROSS_COMPILE := nds32le-linux-
endif
-CONFIG_STANDALONE_LOAD_ADDR = 0x300000 \
- -T $(srctree)/examples/standalone/nds32.lds
+CONFIG_STANDALONE_LOAD_ADDR = 0x300000
+LDFLAGS_STANDALONE += -T $(srctree)/examples/standalone/nds32.lds
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -mrelax
PLATFORM_RELFLAGS += -gdwarf-2
diff --git a/arch/riscv/config.mk b/arch/riscv/config.mk
index 219e66683d..d0b7e8e88b 100644
--- a/arch/riscv/config.mk
+++ b/arch/riscv/config.mk
@@ -27,8 +27,8 @@ PLATFORM_LDFLAGS += -m $(64bit-emul)
EFI_LDS := elf_riscv64_efi.lds
endif
-CONFIG_STANDALONE_LOAD_ADDR = 0x00000000 \
- -T $(srctree)/examples/standalone/riscv.lds
+CONFIG_STANDALONE_LOAD_ADDR = 0x00000000
+LDFLAGS_STANDALONE += -T $(srctree)/examples/standalone/riscv.lds
PLATFORM_CPPFLAGS += -ffixed-gp -fpic
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -gdwarf-2 -ffunction-sections
diff --git a/arch/sh/config.mk b/arch/sh/config.mk
index 92abee17ad..6ef44638ab 100644
--- a/arch/sh/config.mk
+++ b/arch/sh/config.mk
@@ -9,7 +9,7 @@ endif
CONFIG_STANDALONE_LOAD_ADDR ?= 0x8C000000
ifeq ($(CPU),sh2)
-CONFIG_STANDALONE_LOAD_ADDR += -EB
+LDFLAGS_STANDALONE += -EB
endif
PLATFORM_CPPFLAGS += -DCONFIG_SH -D__SH__
diff --git a/config.mk b/config.mk
index b4e4618982..caf0dd9b81 100644
--- a/config.mk
+++ b/config.mk
@@ -15,6 +15,7 @@ PLATFORM_CPPFLAGS :=
PLATFORM_LDFLAGS :=
LDFLAGS :=
LDFLAGS_FINAL :=
+LDFLAGS_STANDALONE :=
OBJCOPYFLAGS :=
# clear VENDOR for tcsh
VENDOR :=
@@ -75,4 +76,5 @@ LDFLAGS_FINAL += -Bstatic
export PLATFORM_CPPFLAGS
export RELFLAGS
export LDFLAGS_FINAL
+export LDFLAGS_STANDALONE
export CONFIG_STANDALONE_LOAD_ADDR
diff --git a/examples/standalone/Makefile b/examples/standalone/Makefile
index 09364d84a0..abe1bf1883 100644
--- a/examples/standalone/Makefile
+++ b/examples/standalone/Makefile
@@ -45,6 +45,8 @@ endif
# source file.
ccflags-y += $(call cc-option,-fno-toplevel-reorder)
+LDFLAGS_STANDALONE += -Ttext $(CONFIG_STANDALONE_LOAD_ADDR)
+
#########################################################################
quiet_cmd_link_lib = LD $@
@@ -54,7 +56,7 @@ $(LIB): $(LIBOBJS) FORCE
$(call if_changed,link_lib)
quiet_cmd_link_elf = LD $@
- cmd_link_elf = $(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \
+ cmd_link_elf = $(LD) $(LDFLAGS) $(LDFLAGS_STANDALONE) -g \
-o $@ -e $(SYM_PREFIX)$(@F) $< $(LIB) $(PLATFORM_LIBGCC)
$(ELF): $(obj)/%: $(obj)/%.o $(LIB) FORCE
--
2.19.0
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