platform_bionic/libc/arch-arm64/arm64.mk
Elliott Hughes 42d949ff9d Defend against -fstack-protector in libc startup.
Exactly which functions get a stack protector is up to the compiler, so
let's separate the code that sets up the environment stack protection
requires and explicitly build it with -fno-stack-protector.

Bug: http://b/26276517
Change-Id: I8719e23ead1f1e81715c32c1335da868f68369b5
2016-01-06 20:06:08 -08:00

71 lines
2.3 KiB
Makefile

# 64-bit arm.
#
# Generic arm64 optimizations, may be overriden by CPU variants.
#
libc_bionic_src_files_arm64 += \
arch-arm64/generic/bionic/memchr.S \
arch-arm64/generic/bionic/memcmp.S \
arch-arm64/generic/bionic/memcpy.S \
arch-arm64/generic/bionic/memmove.S \
arch-arm64/generic/bionic/memset.S \
arch-arm64/generic/bionic/stpcpy.S \
arch-arm64/generic/bionic/strchr.S \
arch-arm64/generic/bionic/strcmp.S \
arch-arm64/generic/bionic/strcpy.S \
arch-arm64/generic/bionic/strlen.S \
arch-arm64/generic/bionic/strncmp.S \
arch-arm64/generic/bionic/strnlen.S \
arch-arm64/generic/bionic/wmemmove.S \
libc_bionic_src_files_exclude_arm64 += \
bionic/__memcpy_chk.cpp \
bionic/strchr.cpp \
bionic/strnlen.c \
libc_freebsd_src_files_exclude_arm64 += \
upstream-freebsd/lib/libc/string/wmemmove.c \
libc_openbsd_src_files_exclude_arm64 += \
upstream-openbsd/lib/libc/string/memchr.c \
upstream-openbsd/lib/libc/string/memmove.c \
upstream-openbsd/lib/libc/string/stpcpy.c \
upstream-openbsd/lib/libc/string/strcpy.c \
upstream-openbsd/lib/libc/string/strncmp.c \
#
# Inherently architecture-specific code.
#
libc_bionic_src_files_arm64 += \
arch-arm64/bionic/__bionic_clone.S \
arch-arm64/bionic/_exit_with_stack_teardown.S \
arch-arm64/bionic/setjmp.S \
arch-arm64/bionic/syscall.S \
arch-arm64/bionic/vfork.S \
libc_crt_target_cflags_arm64 := \
-I$(LOCAL_PATH)/arch-arm64/include
libc_crt_target_crtbegin_file_arm64 := \
$(LOCAL_PATH)/arch-arm64/bionic/crtbegin.c
libc_crt_target_crtbegin_so_file_arm64 := \
$(LOCAL_PATH)/arch-common/bionic/crtbegin_so.c
## CPU variant specific source files
ifeq ($(strip $(TARGET_CPU_VARIANT)),)
$(warning TARGET_ARCH is arm64, but TARGET_CPU_VARIANT is not defined)
endif
ifneq ($(TARGET_CPU_VARIANT),generic)
cpu_variant_mk := $(LOCAL_PATH)/arch-arm64/$(TARGET_CPU_VARIANT)/$(TARGET_CPU_VARIANT).mk
ifeq ($(wildcard $(cpu_variant_mk)),)
$(error "TARGET_CPU_VARIANT not set or set to an unknown value. Possible values are generic, denver64. Use generic for devices that do not have a CPU similar to any of the supported cpu variants.")
endif
include $(cpu_variant_mk)
libc_common_additional_dependencies += $(cpu_variant_mk)
cpu_variant_mk :=
endif