diff options
Diffstat (limited to 'arch/riscv/kernel/vdso/Makefile')
| -rw-r--r-- | arch/riscv/kernel/vdso/Makefile | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile index ad73607abc28..9ebb5e590f93 100644 --- a/arch/riscv/kernel/vdso/Makefile +++ b/arch/riscv/kernel/vdso/Makefile @@ -13,9 +13,17 @@ vdso-syms += flush_icache vdso-syms += hwprobe vdso-syms += sys_hwprobe +ifdef CONFIG_VDSO_GETRANDOM +vdso-syms += getrandom +endif + # Files to link into the vdso obj-vdso = $(patsubst %, %.o, $(vdso-syms)) note.o +ifdef CONFIG_VDSO_GETRANDOM +obj-vdso += vgetrandom-chacha.o +endif + ccflags-y := -fno-stack-protector ccflags-y += -DDISABLE_BRANCH_PROFILING ccflags-y += -fno-builtin @@ -24,6 +32,10 @@ ifneq ($(c-gettimeofday-y),) CFLAGS_vgettimeofday.o += -fPIC -include $(c-gettimeofday-y) endif +ifneq ($(c-getrandom-y),) + CFLAGS_getrandom.o += -fPIC -include $(c-getrandom-y) +endif + CFLAGS_hwprobe.o += -fPIC # Build rules @@ -38,6 +50,7 @@ endif # Disable -pg to prevent insert call site CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS) +CFLAGS_REMOVE_getrandom.o = $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS) CFLAGS_REMOVE_hwprobe.o = $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS) # Force dependency @@ -47,7 +60,7 @@ $(obj)/vdso.o: $(obj)/vdso.so $(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE $(call if_changed,vdsold_and_check) LDFLAGS_vdso.so.dbg = -shared -soname=linux-vdso.so.1 \ - --build-id=sha1 --hash-style=both --eh-frame-hdr + --build-id=sha1 --eh-frame-hdr # strip rule for the .so file $(obj)/%.so: OBJCOPYFLAGS := -S |