+PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions
+PLATFORM_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64)
+
+# This is used in the top-level Makefile which does not include
+# PLATFORM_LDFLAGS
+LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined
+
+OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \
+ -j .rel -j .rela -j .reloc
+
+ifeq ($(IS_32BIT),y)
+CFLAGS_NON_EFI := -mregparm=3
+endif
+CFLAGS_EFI := -fpic -fshort-wchar
+
+ifeq ($(CONFIG_EFI_STUB_64BIT),)
+CFLAGS_EFI += $(call cc-option, -mno-red-zone)
+EFIARCH = ia32
+EFIPAYLOAD_BFDTARGET = elf32-i386
+else
+EFIARCH = x86_64
+EFIPAYLOAD_BFDTARGET = elf64-x86-64
+endif
+
+EFIPAYLOAD_BFDARCH = i386
+
+LDSCRIPT_EFI := $(srctree)/arch/x86/lib/elf_$(EFIARCH)_efi.lds
+EFISTUB := crt0_$(EFIARCH)_efi.o reloc_$(EFIARCH)_efi.o
+OBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH)
+
+CPPFLAGS_REMOVE_crt0-efi-$(EFIARCH).o += $(CFLAGS_NON_EFI)
+CPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI)
+
+ifeq ($(CONFIG_EFI_APP),y)
+
+PLATFORM_CPPFLAGS += $(CFLAGS_EFI)
+LDFLAGS_FINAL += -znocombreloc -shared
+LDSCRIPT := $(LDSCRIPT_EFI)
+
+else
+
+PLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI)
+PLATFORM_LDFLAGS += --emit-relocs
+LDFLAGS_FINAL += --gc-sections $(if $(CONFIG_SPL_BUILD),,-pie)
+
+endif
+
+ifdef CONFIG_X86_64
+ifndef CONFIG_SPL_BUILD
+PLATFORM_CPPFLAGS += -D__x86_64__
+else
+PLATFORM_CPPFLAGS += -D__I386__
+endif
+else
+PLATFORM_CPPFLAGS += -D__I386__
+endif
+
+ifdef CONFIG_EFI_STUB
+
+ifdef CONFIG_EFI_STUB_64BIT
+EFI_LDS := elf_x86_64_efi.lds
+EFI_CRT0 := crt0_x86_64_efi.o
+EFI_RELOC := reloc_x86_64_efi.o
+else
+EFI_LDS := elf_ia32_efi.lds
+EFI_CRT0 := crt0_ia32_efi.o
+EFI_RELOC := reloc_ia32_efi.o
+endif
+
+else
+
+ifdef CONFIG_X86_64
+EFI_LDS := elf_x86_64_efi.lds
+EFI_CRT0 := crt0_x86_64_efi.o
+EFI_RELOC := reloc_x86_64_efi.o
+else
+EFI_LDS := elf_ia32_efi.lds
+EFI_CRT0 := crt0_ia32_efi.o
+EFI_RELOC := reloc_ia32_efi.o
+endif
+
+endif