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vdso: make -- Export VDSO and CONFIG_VDSO

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We will need it to figure out if architecture
needs vDSO handling code to be built. Note
currently only x86 is exporting vDSO simply
because ARM support is not yet ready.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Alexander Kartashov <alekskartashov@parallels.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Cyrill Gorcunov 2014-05-26 11:50:12 +04:00 committed by Pavel Emelyanov
parent ff1cf6b2ca
commit 46661cf8b2
2 changed files with 6 additions and 0 deletions
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3
Makefile
View File

@ -52,11 +52,13 @@ ARCH ?= $(shell uname -m | sed \
ifeq ($(ARCH),i386)
SRCARCH := x86-32
DEFINES := -DCONFIG_X86_32
VDSO := y
endif
ifeq ($(ARCH),x86_64)
SRCARCH := x86
DEFINES := -DCONFIG_X86_64
LDARCH := i386:x86-64
VDSO := y
endif
ifeq ($(shell echo $(ARCH) | sed -e 's/arm.*/arm/'),arm)
@ -123,6 +125,7 @@ export SRC_DIR SYSCALL-LIB SH RM ARCH_DIR OBJCOPY LDARCH LD
export USERCFLAGS
export cflags-y
export VDSO_O
export VDSO
include Makefile.inc
include Makefile.config

3
Makefile.config
View File

@ -29,6 +29,9 @@ ifeq ($(call try-cc,$(STRLCAT_TEST),$(LIBS)),y)
endif
ifeq ($(call try-cc,$(PTRACE_PEEKSIGINFO_TEST),),y)
$(Q) @echo '#define CONFIG_HAS_PEEKSIGINFO_ARGS' >> $@
endif
ifeq ($(VDSO),y)
$(Q) @echo '#define CONFIG_VDSO' >> $@
endif
$(Q) @echo '#endif /* __CR_CONFIG_H__ */' >> $@