diff options
Diffstat (limited to 'arch/riscv/kernel/vdso_cfi/Makefile')
| -rw-r--r-- | arch/riscv/kernel/vdso_cfi/Makefile | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/riscv/kernel/vdso_cfi/Makefile b/arch/riscv/kernel/vdso_cfi/Makefile new file mode 100644 index 000000000000..8ebd190782b0 --- /dev/null +++ b/arch/riscv/kernel/vdso_cfi/Makefile @@ -0,0 +1,25 @@ +# SPDX-License-Identifier: GPL-2.0-only +# RISC-V VDSO CFI Makefile +# This Makefile builds the VDSO with CFI support when CONFIG_RISCV_USER_CFI is enabled + +# setting VDSO_CFI_BUILD triggers build for vdso differently +VDSO_CFI_BUILD := 1 + +# Set the source directory to the main vdso directory +src := $(srctree)/arch/riscv/kernel/vdso + +# Copy all .S and .c files from vdso directory to vdso_cfi object build directory +vdso_c_sources := $(wildcard $(src)/*.c) +vdso_S_sources := $(wildcard $(src)/*.S) +vdso_c_objects := $(addprefix $(obj)/, $(notdir $(vdso_c_sources))) +vdso_S_objects := $(addprefix $(obj)/, $(notdir $(vdso_S_sources))) + +$(vdso_S_objects): $(obj)/%.S: $(src)/%.S + $(Q)cp $< $@ + +$(vdso_c_objects): $(obj)/%.c: $(src)/%.c + $(Q)cp $< $@ + +# Include the main VDSO Makefile which contains all the build rules and sources +# The VDSO_CFI_BUILD variable will be passed to it to enable CFI compilation +include $(src)/Makefile |