diff options
Diffstat (limited to 'arch')
24 files changed, 23 insertions, 36 deletions
diff --git a/arch/arm/Makefile b/arch/arm/Makefile index c4301437ca72..2874cd9923b7 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -20,10 +20,6 @@ endif # linker. All sections should be explicitly named in the linker script. LDFLAGS_vmlinux += $(call ld-option, --orphan-handling=warn) -ifeq ($(CONFIG_ARM_MODULE_PLTS),y) -KBUILD_LDS_MODULE += $(srctree)/arch/arm/kernel/module.lds -endif - GZFLAGS :=-9 #KBUILD_CFLAGS +=-pipe diff --git a/arch/arm/kernel/module.lds b/arch/arm/include/asm/module.lds.h index 79cb6af565e5..0e7cb4e314b4 100644 --- a/arch/arm/kernel/module.lds +++ b/arch/arm/include/asm/module.lds.h @@ -1,5 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#ifdef CONFIG_ARM_MODULE_PLTS SECTIONS { .plt : { BYTE(0) } .init.plt : { BYTE(0) } } +#endif diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile index a54f70731d9f..150ce6e6a5d3 100644 --- a/arch/arm/vdso/Makefile +++ b/arch/arm/vdso/Makefile @@ -19,7 +19,7 @@ ccflags-y += -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO32 ldflags-$(CONFIG_CPU_ENDIAN_BE8) := --be8 ldflags-y := -Bsymbolic --no-undefined -soname=linux-vdso.so.1 \ -z max-page-size=4096 -nostdlib -shared $(ldflags-y) \ - --hash-style=sysv --build-id \ + --hash-style=sysv --build-id=sha1 \ -T obj-$(CONFIG_VDSO) += vdso.o diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index f4717facf31e..88a44e7326b5 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -126,10 +126,6 @@ endif CHECKFLAGS += -D__aarch64__ -ifeq ($(CONFIG_ARM64_MODULE_PLTS),y) -KBUILD_LDS_MODULE += $(srctree)/arch/arm64/kernel/module.lds -endif - ifeq ($(CONFIG_DYNAMIC_FTRACE_WITH_REGS),y) KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY CC_FLAGS_FTRACE := -fpatchable-function-entry=2 diff --git a/arch/arm64/kernel/module.lds b/arch/arm64/include/asm/module.lds.h index 22e36a21c113..691f15af788e 100644 --- a/arch/arm64/kernel/module.lds +++ b/arch/arm64/include/asm/module.lds.h @@ -1,5 +1,7 @@ +#ifdef CONFIG_ARM64_MODULE_PLTS SECTIONS { .plt (NOLOAD) : { BYTE(0) } .init.plt (NOLOAD) : { BYTE(0) } .text.ftrace_trampoline (NOLOAD) : { BYTE(0) } } +#endif diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index 04021a93171c..d65f52264aba 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -24,14 +24,13 @@ btildflags-$(CONFIG_ARM64_BTI_KERNEL) += -z force-bti # routines, as x86 does (see 6f121e548f83 ("x86, vdso: Reimplement vdso.so # preparation in build-time C")). ldflags-y := -shared -nostdlib -soname=linux-vdso.so.1 --hash-style=sysv \ - -Bsymbolic $(call ld-option, --no-eh-frame-hdr) --build-id -n \ + -Bsymbolic $(call ld-option, --no-eh-frame-hdr) --build-id=sha1 -n \ $(btildflags-y) -T ccflags-y := -fno-common -fno-builtin -fno-stack-protector -ffixed-x18 ccflags-y += -DDISABLE_BRANCH_PROFILING CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) $(GCC_PLUGINS_CFLAGS) -KBUILD_CFLAGS += $(DISABLE_LTO) KASAN_SANITIZE := n UBSAN_SANITIZE := n OBJECT_FILES_NON_STANDARD := y @@ -47,7 +46,7 @@ endif GCOV_PROFILE := n obj-y += vdso.o -extra-y += vdso.lds +targets += vdso.lds CPPFLAGS_vdso.lds += -P -C -U$(ARCH) # Force dependency (incbin is bad) diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile index d6adb4677c25..7f96a1a9f68c 100644 --- a/arch/arm64/kernel/vdso32/Makefile +++ b/arch/arm64/kernel/vdso32/Makefile @@ -90,9 +90,9 @@ VDSO_CFLAGS += -O2 # Some useful compiler-dependent flags from top-level Makefile VDSO_CFLAGS += $(call cc32-option,-Wdeclaration-after-statement,) VDSO_CFLAGS += $(call cc32-option,-Wno-pointer-sign) -VDSO_CFLAGS += $(call cc32-option,-fno-strict-overflow) +VDSO_CFLAGS += -fno-strict-overflow VDSO_CFLAGS += $(call cc32-option,-Werror=strict-prototypes) -VDSO_CFLAGS += $(call cc32-option,-Werror=date-time) +VDSO_CFLAGS += -Werror=date-time VDSO_CFLAGS += $(call cc32-option,-Werror=incompatible-pointer-types) # The 32-bit compiler does not provide 128-bit integers, which are used in @@ -128,7 +128,7 @@ VDSO_LDFLAGS += -Wl,-Bsymbolic -Wl,--no-undefined -Wl,-soname=linux-vdso.so.1 VDSO_LDFLAGS += -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096 VDSO_LDFLAGS += -nostdlib -shared -mfloat-abi=soft VDSO_LDFLAGS += -Wl,--hash-style=sysv -VDSO_LDFLAGS += -Wl,--build-id +VDSO_LDFLAGS += -Wl,--build-id=sha1 VDSO_LDFLAGS += $(call cc32-ldoption,-fuse-ld=bfd) @@ -155,7 +155,7 @@ asm-obj-vdso := $(addprefix $(obj)/, $(asm-obj-vdso)) obj-vdso := $(c-obj-vdso) $(c-obj-vdso-gettimeofday) $(asm-obj-vdso) obj-y += vdso.o -extra-y += vdso.lds +targets += vdso.lds CPPFLAGS_vdso.lds += -P -C -U$(ARCH) # Force dependency (vdso.s includes vdso.so through incbin) diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile index 2876a7df1b0a..703b1c4f6d12 100644 --- a/arch/ia64/Makefile +++ b/arch/ia64/Makefile @@ -20,7 +20,6 @@ CHECKFLAGS += -D__ia64=1 -D__ia64__=1 -D_LP64 -D__LP64__ OBJCOPYFLAGS := --strip-all LDFLAGS_vmlinux := -static -KBUILD_LDS_MODULE += $(srctree)/arch/ia64/module.lds KBUILD_AFLAGS_KERNEL := -mconstant-gp EXTRA := diff --git a/arch/ia64/module.lds b/arch/ia64/include/asm/module.lds.h index eff68f362793..eff68f362793 100644 --- a/arch/ia64/module.lds +++ b/arch/ia64/include/asm/module.lds.h diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile index 4438ffb4bbe1..ea14f2046fb4 100644 --- a/arch/m68k/Makefile +++ b/arch/m68k/Makefile @@ -75,7 +75,6 @@ KBUILD_CPPFLAGS += -D__uClinux__ endif KBUILD_LDFLAGS := -m m68kelf -KBUILD_LDS_MODULE += $(srctree)/arch/m68k/kernel/module.lds ifdef CONFIG_SUN3 LDFLAGS_vmlinux = -N diff --git a/arch/m68k/kernel/module.lds b/arch/m68k/include/asm/module.lds.h index fda94fa38243..fda94fa38243 100644 --- a/arch/m68k/kernel/module.lds +++ b/arch/m68k/include/asm/module.lds.h diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile index 57fe83235281..5810cc12bc1d 100644 --- a/arch/mips/vdso/Makefile +++ b/arch/mips/vdso/Makefile @@ -61,7 +61,7 @@ endif # VDSO linker flags. ldflags-y := -Bsymbolic --no-undefined -soname=linux-vdso.so.1 \ $(filter -E%,$(KBUILD_CFLAGS)) -nostdlib -shared \ - -G 0 --eh-frame-hdr --hash-style=sysv --build-id -T + -G 0 --eh-frame-hdr --hash-style=sysv --build-id=sha1 -T CFLAGS_REMOVE_vdso.o = -pg diff --git a/arch/nds32/kernel/vdso/Makefile b/arch/nds32/kernel/vdso/Makefile index 7c3c1ccb196e..55df25ef0057 100644 --- a/arch/nds32/kernel/vdso/Makefile +++ b/arch/nds32/kernel/vdso/Makefile @@ -20,7 +20,7 @@ GCOV_PROFILE := n obj-y += vdso.o -extra-y += vdso.lds +targets += vdso.lds CPPFLAGS_vdso.lds += -P -C -U$(ARCH) # Force dependency diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index c4f9dbd12577..a4d56f0a41d9 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -65,7 +65,6 @@ UTS_MACHINE := $(subst $(space),,$(machine-y)) ifdef CONFIG_PPC32 KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o else -KBUILD_LDS_MODULE += $(srctree)/arch/powerpc/kernel/module.lds ifeq ($(call ld-ifversion, -ge, 225000000, y),y) # Have the linker provide sfpr if possible. # There is a corresponding test in arch/powerpc/lib/Makefile diff --git a/arch/powerpc/kernel/module.lds b/arch/powerpc/include/asm/module.lds.h index cea5dc124be4..cea5dc124be4 100644 --- a/arch/powerpc/kernel/module.lds +++ b/arch/powerpc/include/asm/module.lds.h diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile index e147bbdc12cd..73eada6bc8cd 100644 --- a/arch/powerpc/kernel/vdso32/Makefile +++ b/arch/powerpc/kernel/vdso32/Makefile @@ -29,7 +29,7 @@ ccflags-y := -shared -fno-common -fno-builtin -nostdlib \ asflags-y := -D__VDSO32__ -s obj-y += vdso32_wrapper.o -extra-y += vdso32.lds +targets += vdso32.lds CPPFLAGS_vdso32.lds += -P -C -Upowerpc # Force dependency (incbin is bad) diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile index 32ebb3522ea1..dfd34f68bfa1 100644 --- a/arch/powerpc/kernel/vdso64/Makefile +++ b/arch/powerpc/kernel/vdso64/Makefile @@ -17,7 +17,7 @@ ccflags-y := -shared -fno-common -fno-builtin -nostdlib \ asflags-y := -D__VDSO64__ -s obj-y += vdso64_wrapper.o -extra-y += vdso64.lds +targets += vdso64.lds CPPFLAGS_vdso64.lds += -P -C -U$(ARCH) # Force dependency (incbin is bad) diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 10df59f28add..0289a97325d1 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -53,9 +53,6 @@ endif ifeq ($(CONFIG_CMODEL_MEDANY),y) KBUILD_CFLAGS += -mcmodel=medany endif -ifeq ($(CONFIG_MODULE_SECTIONS),y) - KBUILD_LDS_MODULE += $(srctree)/arch/riscv/kernel/module.lds -endif ifeq ($(CONFIG_PERF_EVENTS),y) KBUILD_CFLAGS += -fno-omit-frame-pointer endif diff --git a/arch/riscv/kernel/module.lds b/arch/riscv/include/asm/module.lds.h index 295ecfb341a2..4254ff2ff049 100644 --- a/arch/riscv/kernel/module.lds +++ b/arch/riscv/include/asm/module.lds.h @@ -1,8 +1,9 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2017 Andes Technology Corporation */ - +#ifdef CONFIG_MODULE_SECTIONS SECTIONS { .plt (NOLOAD) : { BYTE(0) } .got (NOLOAD) : { BYTE(0) } .got.plt (NOLOAD) : { BYTE(0) } } +#endif diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile index 478e7338ddc1..7d6a94d45ec9 100644 --- a/arch/riscv/kernel/vdso/Makefile +++ b/arch/riscv/kernel/vdso/Makefile @@ -49,7 +49,7 @@ $(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso) FORCE # refer to these symbols in the kernel code rather than hand-coded addresses. SYSCFLAGS_vdso.so.dbg = -shared -s -Wl,-soname=linux-vdso.so.1 \ - -Wl,--build-id -Wl,--hash-style=both + -Wl,--build-id=sha1 -Wl,--hash-style=both $(obj)/vdso-dummy.o: $(src)/vdso.lds $(obj)/rt_sigreturn.o FORCE $(call if_changed,vdsold) diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile index 3d3303283181..13cc5a3f9abf 100644 --- a/arch/s390/kernel/vdso64/Makefile +++ b/arch/s390/kernel/vdso64/Makefile @@ -25,13 +25,13 @@ KBUILD_AFLAGS_64 += -m64 -s KBUILD_CFLAGS_64 := $(filter-out -m64,$(KBUILD_CFLAGS)) KBUILD_CFLAGS_64 += -m64 -fPIC -shared -fno-common -fno-builtin ldflags-y := -fPIC -shared -nostdlib -soname=linux-vdso64.so.1 \ - --hash-style=both --build-id -T + --hash-style=both --build-id=sha1 -T $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_64) $(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_64) obj-y += vdso64_wrapper.o -extra-y += vdso64.lds +targets += vdso64.lds CPPFLAGS_vdso64.lds += -P -C -U$(ARCH) # Disable gcov profiling, ubsan and kasan for VDSO code diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile index f44355e46f31..c5e1545bc5cf 100644 --- a/arch/sparc/vdso/Makefile +++ b/arch/sparc/vdso/Makefile @@ -3,8 +3,6 @@ # Building vDSO images for sparc. # -KBUILD_CFLAGS += $(DISABLE_LTO) - VDSO64-$(CONFIG_SPARC64) := y VDSOCOMPAT-$(CONFIG_COMPAT) := y @@ -115,7 +113,7 @@ quiet_cmd_vdso = VDSO $@ -T $(filter %.lds,$^) $(filter %.o,$^) && \ sh $(srctree)/$(src)/checkundef.sh '$(OBJDUMP)' '$@' -VDSO_LDFLAGS = -shared --hash-style=both --build-id -Bsymbolic +VDSO_LDFLAGS = -shared --hash-style=both --build-id=sha1 -Bsymbolic GCOV_PROFILE := n # diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild index 8d435f8a6dec..1c63b260ecc4 100644 --- a/arch/um/include/asm/Kbuild +++ b/arch/um/include/asm/Kbuild @@ -16,6 +16,7 @@ generic-y += kdebug.h generic-y += mcs_spinlock.h generic-y += mm-arch-hooks.h generic-y += mmiowb.h +generic-y += module.lds.h generic-y += param.h generic-y += pci.h generic-y += percpu.h diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile index 215376d975a2..21243747965d 100644 --- a/arch/x86/entry/vdso/Makefile +++ b/arch/x86/entry/vdso/Makefile @@ -9,8 +9,6 @@ ARCH_REL_TYPE_ABS := R_X86_64_JUMP_SLOT|R_X86_64_GLOB_DAT|R_X86_64_RELATIVE| ARCH_REL_TYPE_ABS += R_386_GLOB_DAT|R_386_JMP_SLOT|R_386_RELATIVE include $(srctree)/lib/vdso/Makefile -KBUILD_CFLAGS += $(DISABLE_LTO) - # Sanitizer runtimes are unavailable and cannot be linked here. KASAN_SANITIZE := n UBSAN_SANITIZE := n @@ -176,7 +174,7 @@ quiet_cmd_vdso = VDSO $@ -T $(filter %.lds,$^) $(filter %.o,$^) && \ sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@' -VDSO_LDFLAGS = -shared --hash-style=both --build-id \ +VDSO_LDFLAGS = -shared --hash-style=both --build-id=sha1 \ $(call ld-option, --eh-frame-hdr) -Bsymbolic GCOV_PROFILE := n |