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Clean up. Move SSP-specific adjustment out of Makefile.kern.inc.

This commit is contained in:
uebayasi 2015-09-06 04:42:06 +00:00
parent 20f519c75f
commit 347749a8bd
2 changed files with 39 additions and 29 deletions
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40
sys/conf/Makefile.kern.inc
View File

@ -1,4 +1,4 @@
# $NetBSD: Makefile.kern.inc,v 1.238 2015/09/06 02:05:11 uebayasi Exp $
# $NetBSD: Makefile.kern.inc,v 1.239 2015/09/06 04:42:06 uebayasi Exp $
#
# This file contains common `MI' targets and definitions and it is included
# at the bottom of each `MD' ${MACHINE}/conf/Makefile.${MACHINE}.
@ -104,16 +104,6 @@ CFLAGS+= -fno-strict-aliasing
CFLAGS+= -fno-common
.endif
.if ${USE_SSP:Uno} == "yes"
COPTS.kern_ssp.c+= -fno-stack-protector -D__SSP__
.endif
# for multi-cpu machines, cpu_hatch() straddles the init of
# __stack_chk_guard, so ensure stack protection is disabled
.if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "x86_64"
COPTS.cpu.c+= -fno-stack-protector
.endif
# Use the per-source COPTS variables to add -g to just those
# files that match the shell patterns given in ${DEBUGLIST}
#
@ -296,25 +286,27 @@ SYSTEM_LD_TAIL_STAGE2+= ${SYSTEM_LD_TAIL_EXTRA}
CFILES= ${ALLFILES:M*.c}
SFILES= ${ALLFILES:M*.[sS]}
OFILES= ${ALLFILES:M*.o}
.if !defined(___USE_SUFFIX_RULES___)
OBJS.c= ${CFILES:T:R:C|$|.o|}
OBJS.s= ${SFILES:T:R:C|$|.o|}
OBJS.o= ${OFILES}
COBJS= ${CFILES:T:R:C|$|.o|}
SOBJS= ${SFILES:T:R:C|$|.o|}
OOBJS= ${OFILES}
# absolute, generated (build directory), relative (under $S)
_CFILES=${CFILES:M/*} ${CFILES:N/*:N*/*} ${CFILES:N/*:M*/*:C|^|$S/|}
_SFILES=${SFILES:M/*} ${SFILES:N/*:N*/*} ${SFILES:N/*:M*/*:C|^|$S/|}
_MD_CFILES=${MD_CFILES}
_MD_SFILES=${MD_SFILES}
.else
OBJS.c= ${CFILES:R:C|$|.o|}
OBJS.s= ${SFILES:R:C|$|.o|}
OBJS.o= ${OFILES}
COBJS= ${CFILES:R:C|$|.o|}
SOBJS= ${SFILES:R:C|$|.o|}
OOBJS= ${OFILES}
_CFILES=${CFILES}
_SFILES=${SFILES}
_MD_CFILES=${MD_CFILES:C|^$S/||}
_MD_SFILES=${MD_SFILES:C|^$S/||}
.endif # ___USE_SUFFIX_RULES___
OBJS= ${OBJS.c} ${OBJS.s} ${OBJS.o}
OBJS= ${COBJS} ${SOBJS} ${OOBJS}
.if !defined(___USE_SUFFIX_RULES___)
.for _s in ${_CFILES}
@ -479,22 +471,12 @@ install-kernel-${MACHINE_NAME}:
.include "${S}/conf/lint.mk"
.include "${S}/conf/cscope.mk"
.include "${S}/conf/gdbinit.mk"
.include "${S}/conf/ssp.mk"
##
## the kernel
##
# The following files use alloca(3) or variable array allocations.
# Their full name is noted as documentation.
VARSTACK=kern/uipc_socket.c miscfs/genfs/genfs_vnops.c \
nfs/nfs_bio.c uvm/uvm_bio.c \
uvm/uvm_pager.c dev/ic/aic7xxx.c dev/ic/aic79xx.c arch/xen/i386/gdt.c \
dev/ofw/ofw_subr.c
.for __varstack in ${VARSTACK}
COPTS.${__varstack:T} += -Wno-stack-protector
.endfor
AFLAGS+= ${AOPTS.${.IMPSRC:T}}
CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}}
CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}}

28
sys/conf/ssp.mk Normal file
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@ -0,0 +1,28 @@
# $NetBSD: ssp.mk,v 1.1 2015/09/06 04:42:06 uebayasi Exp $
.if ${USE_SSP:Uno} == "yes"
COPTS.kern_ssp.c+= -fno-stack-protector -D__SSP__
.endif
# for multi-cpu machines, cpu_hatch() straddles the init of
# __stack_chk_guard, so ensure stack protection is disabled
.if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "x86_64"
COPTS.cpu.c+= -fno-stack-protector
.endif
# The following files use alloca(3) or variable array allocations.
# Their full name is noted as documentation.
VARSTACK= \
arch/xen/i386/gdt.c \
dev/ic/aic79xx.c \
dev/ic/aic7xxx.c \
dev/ofw/ofw_subr.c \
kern/uipc_socket.c \
miscfs/genfs/genfs_vnops.c \
nfs/nfs_bio.c \
uvm/uvm_bio.c \
uvm/uvm_pager.c \
.for __varstack in ${VARSTACK}
COPTS.${__varstack:T} += -Wno-stack-protector
.endfor