build: UEFI: Link using gcc rather than ld directly, and do not enable PIC
diff --git a/stage23/Makefile b/stage23/Makefile
index 101afc88..40482a4d 100644
--- a/stage23/Makefile
+++ b/stage23/Makefile
@@ -14,7 +14,6 @@ else
endif
CC = $(TOOLCHAIN)-gcc
-LD = $(TOOLCHAIN)-ld
OBJCOPY = $(TOOLCHAIN)-objcopy
OBJDUMP = $(TOOLCHAIN)-objdump
READELF = $(TOOLCHAIN)-readelf
@@ -35,6 +34,7 @@ INTERNAL_CFLAGS := \
-fno-stack-protector \
-fno-omit-frame-pointer \
-fno-lto \
+ -fno-pic \
-Wno-address-of-packed-member \
-masm=intel \
-mgeneral-regs-only \
@@ -49,20 +49,21 @@ INTERNAL_CFLAGS := \
ifeq ($(TARGET), bios)
INTERNAL_CFLAGS += \
- -fno-pic
+ -fno-pie
endif
ifeq ($(TARGET), uefi)
INTERNAL_CFLAGS += \
-I../gnu-efi/inc \
-I../gnu-efi/inc/x86_64 \
- -fpic \
+ -fpie \
-mno-red-zone
endif
LDFLAGS = -O3 -g
INTERNAL_LDFLAGS := \
+ -fno-pic \
-fno-lto \
-nostdlib \
-z max-page-size=0x1000
@@ -70,11 +71,21 @@ INTERNAL_LDFLAGS := \
ifeq ($(TARGET), bios)
INTERNAL_LDFLAGS += \
-static \
+ -no-pie \
-fno-pie \
-lgcc \
-static-libgcc
endif
+ifeq ($(TARGET), uefi)
+ INTERNAL_LDFLAGS += \
+ -shared \
+ -Wl,-Bsymbolic \
+ -Wl,--noinhibit-exec \
+ -pie \
+ -fpie
+endif
+
.PHONY: all clean builddir
C_FILES := $(shell find -L ./ -type f -name '*.c' | sort)
@@ -155,12 +166,12 @@ $(BUILDDIR)/BOOTX64.EFI: $(BUILDDIR)/limine_efi.elf
$(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel -j .rela -j .rel.* -j .rela.* -j .reloc --target efi-app-x86_64 --subsystem=10 $< $@
$(BUILDDIR)/limine_efi.elf: $(OBJ) $(BUILDDIR)/font.o $(BUILDDIR)/sys/smp_trampoline.o
- $(LD) -shared -Bsymbolic \
+ $(CC) \
-T../gnu-efi/gnuefi/elf_x86_64_efi.lds \
../gnu-efi/gnuefi/crt0-efi-x86_64.o \
../gnu-efi/gnuefi/libgnuefi.a \
../gnu-efi/lib/x86_64/efi_stub.o \
- $^ -o $@
+ $^ $(LDFLAGS) $(INTERNAL_LDFLAGS) -o $@
endif
