Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) # Building vDSO images for x86.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) # Absolute relocation type $(ARCH_REL_TYPE_ABS) needs to be defined before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) # the inclusion of generic Makefile.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) ARCH_REL_TYPE_ABS := R_X86_64_JUMP_SLOT|R_X86_64_GLOB_DAT|R_X86_64_RELATIVE|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) ARCH_REL_TYPE_ABS += R_386_GLOB_DAT|R_386_JMP_SLOT|R_386_RELATIVE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) include $(srctree)/lib/vdso/Makefile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) # Sanitizer runtimes are unavailable and cannot be linked here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) KASAN_SANITIZE			:= n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) UBSAN_SANITIZE			:= n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) KCSAN_SANITIZE			:= n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) OBJECT_FILES_NON_STANDARD	:= y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) KCOV_INSTRUMENT		:= n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) VDSO64-$(CONFIG_X86_64)		:= y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) VDSOX32-$(CONFIG_X86_X32_ABI)	:= y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) VDSO32-$(CONFIG_X86_32)		:= y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) VDSO32-$(CONFIG_IA32_EMULATION)	:= y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) # files to link into the vdso
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) vobjs-y := vdso-note.o vclock_gettime.o vgetcpu.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) vobjs32-y := vdso32/note.o vdso32/system_call.o vdso32/sigreturn.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) vobjs32-y += vdso32/vclock_gettime.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) # files to link into kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) obj-y				+= vma.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) KASAN_SANITIZE_vma.o		:= y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) UBSAN_SANITIZE_vma.o		:= y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) KCSAN_SANITIZE_vma.o		:= y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) OBJECT_FILES_NON_STANDARD_vma.o	:= n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) # vDSO images to build
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) vdso_img-$(VDSO64-y)		+= 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) vdso_img-$(VDSOX32-y)		+= x32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) vdso_img-$(VDSO32-y)		+= 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) obj-$(VDSO32-y)			+= vdso32-setup.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) vobjs := $(foreach F,$(vobjs-y),$(obj)/$F)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) vobjs32 := $(foreach F,$(vobjs32-y),$(obj)/$F)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) $(obj)/vdso.o: $(obj)/vdso.so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) targets += vdso.lds $(vobjs-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) targets += vdso32/vdso32.lds $(vobjs32-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) # Build the vDSO image C files and link them in.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) vdso_img_objs := $(vdso_img-y:%=vdso-image-%.o)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) vdso_img_cfiles := $(vdso_img-y:%=vdso-image-%.c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) vdso_img_sodbg := $(vdso_img-y:%=vdso%.so.dbg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) obj-y += $(vdso_img_objs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) targets += $(vdso_img_cfiles)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) targets += $(vdso_img_sodbg) $(vdso_img-y:%=vdso%.so)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) CPPFLAGS_vdso.lds += -P -C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) VDSO_LDFLAGS_vdso.lds = -m elf_x86_64 -soname linux-vdso.so.1 --no-undefined \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 			-z max-page-size=4096
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) $(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	$(call if_changed,vdso_and_check)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi -I$(srctree)/arch/$(SUBARCH)/include/uapi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) hostprogs += vdso2c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) quiet_cmd_vdso2c = VDSO2C  $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73)       cmd_vdso2c = $(obj)/vdso2c $< $(<:%.dbg=%) $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) $(obj)/vdso-image-%.c: $(obj)/vdso%.so.dbg $(obj)/vdso%.so $(obj)/vdso2c FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	$(call if_changed,vdso2c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) # Don't omit frame pointers for ease of userspace debugging, but do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) # optimize sibling calls.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) CFL := $(PROFILING) -mcmodel=small -fPIC -O2 -fasynchronous-unwind-tables -m64 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83)        $(filter -g%,$(KBUILD_CFLAGS)) -fno-stack-protector \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84)        -fno-omit-frame-pointer -foptimize-sibling-calls \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85)        -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) ifdef CONFIG_RETPOLINE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) ifneq ($(RETPOLINE_VDSO_CFLAGS),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89)   CFL += $(RETPOLINE_VDSO_CFLAGS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) $(vobjs): KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO) $(GCC_PLUGINS_CFLAGS) $(RETPOLINE_CFLAGS),$(KBUILD_CFLAGS)) $(CFL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) # vDSO code runs in userspace and -pg doesn't help with profiling anyway.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) CFLAGS_REMOVE_vclock_gettime.o = -pg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) CFLAGS_REMOVE_vdso32/vclock_gettime.o = -pg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) CFLAGS_REMOVE_vgetcpu.o = -pg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) # X32 processes use x32 vDSO to access 64bit kernel data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) # Build x32 vDSO image:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) # 1. Compile x32 vDSO as 64bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) # 2. Convert object files to x32.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) # 3. Build x32 VDSO image with x32 objects, which contains 64bit codes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) # so that it can reach 64bit address space with 64bit pointers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) CPPFLAGS_vdsox32.lds = $(CPPFLAGS_vdso.lds)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) VDSO_LDFLAGS_vdsox32.lds = -m elf32_x86_64 -soname linux-vdso.so.1 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 			   -z max-page-size=4096
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) # x32-rebranded versions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) vobjx32s-y := $(vobjs-y:.o=-x32.o)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) # same thing, but in the output directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) vobjx32s := $(foreach F,$(vobjx32s-y),$(obj)/$F)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) # Convert 64bit object file to x32 for x32 vDSO.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) quiet_cmd_x32 = X32     $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)       cmd_x32 = $(OBJCOPY) -O elf32-x86-64 $< $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) $(obj)/%-x32.o: $(obj)/%.o FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	$(call if_changed,x32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) targets += vdsox32.lds $(vobjx32s-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) $(obj)/%.so: OBJCOPYFLAGS := -S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) $(obj)/%.so: $(obj)/%.so.dbg FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	$(call if_changed,objcopy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) $(obj)/vdsox32.so.dbg: $(obj)/vdsox32.lds $(vobjx32s) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	$(call if_changed,vdso_and_check)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) CPPFLAGS_vdso32/vdso32.lds = $(CPPFLAGS_vdso.lds)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) VDSO_LDFLAGS_vdso32.lds = -m elf_i386 -soname linux-gate.so.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) KBUILD_AFLAGS_32 := $(filter-out -m64,$(KBUILD_AFLAGS)) -DBUILD_VDSO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) $(obj)/vdso32.so.dbg: KBUILD_AFLAGS = $(KBUILD_AFLAGS_32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) $(obj)/vdso32.so.dbg: asflags-$(CONFIG_X86_64) += -m32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) KBUILD_CFLAGS_32 := $(filter-out -m64,$(KBUILD_CFLAGS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) KBUILD_CFLAGS_32 := $(filter-out -mcmodel=kernel,$(KBUILD_CFLAGS_32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) KBUILD_CFLAGS_32 := $(filter-out -fno-pic,$(KBUILD_CFLAGS_32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) KBUILD_CFLAGS_32 := $(filter-out -mfentry,$(KBUILD_CFLAGS_32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) KBUILD_CFLAGS_32 := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS_32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) KBUILD_CFLAGS_32 := $(filter-out $(RETPOLINE_CFLAGS),$(KBUILD_CFLAGS_32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) KBUILD_CFLAGS_32 := $(filter-out $(CC_FLAGS_LTO),$(KBUILD_CFLAGS_32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) KBUILD_CFLAGS_32 += -m32 -msoft-float -mregparm=0 -fpic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) KBUILD_CFLAGS_32 += -fno-stack-protector
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) KBUILD_CFLAGS_32 += $(call cc-option, -foptimize-sibling-calls)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) KBUILD_CFLAGS_32 += -fno-omit-frame-pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) KBUILD_CFLAGS_32 += -DDISABLE_BRANCH_PROFILING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) ifdef CONFIG_RETPOLINE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) ifneq ($(RETPOLINE_VDSO_CFLAGS),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)   KBUILD_CFLAGS_32 += $(RETPOLINE_VDSO_CFLAGS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) $(obj)/vdso32.so.dbg: KBUILD_CFLAGS = $(KBUILD_CFLAGS_32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) $(obj)/vdso32.so.dbg: $(obj)/vdso32/vdso32.lds $(vobjs32) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	$(call if_changed,vdso_and_check)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) # The DSO images are built using a special linker script.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) quiet_cmd_vdso = VDSO    $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)       cmd_vdso = $(LD) -nostdlib -o $@ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		       $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		       -T $(filter %.lds,$^) $(filter %.o,$^) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		 sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) VDSO_LDFLAGS = -shared --hash-style=both --build-id=sha1 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	$(call ld-option, --eh-frame-hdr) -Bsymbolic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) GCOV_PROFILE := n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) quiet_cmd_vdso_and_check = VDSO    $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)       cmd_vdso_and_check = $(cmd_vdso); $(cmd_vdso_check)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) # Install the unstripped copies of vdso*.so.  If our toolchain supports
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) # build-id, install .build-id links as well.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) quiet_cmd_vdso_install = INSTALL $(@:install_%=%)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) define cmd_vdso_install
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	cp $< "$(MODLIB)/vdso/$(@:install_%=%)"; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	if readelf -n $< |grep -q 'Build ID'; then \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	  buildid=`readelf -n $< |grep 'Build ID' |sed -e 's/^.*Build ID: \(.*\)$$/\1/'`; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	  first=`echo $$buildid | cut -b-2`; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	  last=`echo $$buildid | cut -b3-`; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	  mkdir -p "$(MODLIB)/vdso/.build-id/$$first"; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	  ln -sf "../../$(@:install_%=%)" "$(MODLIB)/vdso/.build-id/$$first/$$last.debug"; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) endef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) vdso_img_insttargets := $(vdso_img_sodbg:%.dbg=install_%)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) $(MODLIB)/vdso: FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	@mkdir -p $(MODLIB)/vdso
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) $(vdso_img_insttargets): install_%: $(obj)/%.dbg $(MODLIB)/vdso
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	$(call cmd,vdso_install)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) PHONY += vdso_install $(vdso_img_insttargets)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) vdso_install: $(vdso_img_insttargets)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) clean-files := vdso32.so vdso32.so.dbg vdso64* vdso-image-*.c vdsox32.so*