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linux64: add arm64 linuxulator build details

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The arm64 linuxulator needs different arguments for the objcopy
invocation used to build the linux VDSO.  These arguments are both arch-
and OS-dependent, so I did not try to use some common setting for them.

Reviewed by:	imp
Sponsored by:	Turing Robotic Industries
Differential Revision:	https://reviews.freebsd.org/D16011
This commit is contained in:
Ed Maste 2018-06-25 20:33:04 +00:00
parent e4b0a90e77
commit d3b03d746b
1 changed files with 9 additions and 2 deletions
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11
sys/modules/linux64/Makefile
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@ -35,9 +35,16 @@ linux_locore.o: linux_locore.s linux_assym.h
-Wl,-soname=${VDSO}.so.1,-warn-common -nostdlib \
${.IMPSRC} -o ${.TARGET}
.if ${MACHINE_CPUARCH} == "aarch64"
OBJCOPY_TARGET=--output-target elf64-littleaarch64 --binary-architecture aarch64
.elif ${MACHINE_CPUARCH} == "amd64"
OBJCOPY_TARGET=--output-target elf64-x86-64 --binary-architecture i386:x86-64
.else
.error ${MACHINE_CPUARCH} not yet supported by linux64
.endif
${VDSO}.so: linux_locore.o
${OBJCOPY} --input-target binary --output-target elf64-x86-64 \
-S -g --binary-architecture i386:x86-64 linux_locore.o ${.TARGET}
${OBJCOPY} --input-target binary ${OBJCOPY_TARGET} -S -g \
linux_locore.o ${.TARGET}
strip -N _binary_linux_locore_o_size ${.TARGET}
linux_support.o: assym.inc linux_assym.h