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Enable /usr/lib32 for o32 binaries on mips64.

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Build and install an o32 set of libraries on mips64 suitable for
running o32 binaries via COMPAT_FREEBSD32. Enable COMPAT_FREEBSD32 in
MALTA64.

Reviewed by:	jmallett, imp
Sponsored by:	DARPA / AFRL
Differential Revision:	https://reviews.freebsd.org/D9032
This commit is contained in:
John Baldwin 2017-01-06 23:30:54 +00:00
parent 452a310167
commit 69b4d461be
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=311567
5 changed files with 22 additions and 4 deletions
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2
Makefile.inc1
View file

@ -606,7 +606,7 @@ XCFLAGS+= ${BFLAGS}
.endif
.if ${MK_LIB32} != "no" && (${TARGET_ARCH} == "amd64" || \
${TARGET_ARCH} == "powerpc64")
${TARGET_ARCH} == "powerpc64") || ${TARGET_ARCH:Mmips64*} != ""
LIBCOMPAT= 32
.include "Makefile.libcompat"
.elif ${MK_LIBSOFT} != "no" && ${TARGET_ARCH} == "armv6"

18
Makefile.libcompat
View file

@ -4,8 +4,7 @@
__<${_this:T}>__:
# Makefile for the compatibility libraries.
# - 32-bit compat libraries on PowerPC and AMD64.
# could also be for mips, but that doesn't work today.
# - 32-bit compat libraries on MIPS, PowerPC, and AMD64.
# -------------------------------------------------------------------
# 32 bit world
@ -34,6 +33,21 @@ LIB32WMAKEENV= MACHINE=powerpc MACHINE_ARCH=powerpc
LIB32WMAKEFLAGS= \
LD="${XLD} -m elf32ppc_fbsd" \
OBJCOPY="${XOBJCOPY}"
.elif ${TARGET_ARCH:Mmips64*} != ""
.if empty(TARGET_CPUTYPE)
LIB32CPUFLAGS= -march=mips3
.else
LIB32CPUFLAGS= -march=${TARGET_CPUTYPE}
.endif
LIB32CPUFLAGS+= -mabi=32
LIB32WMAKEENV= MACHINE=mips MACHINE_ARCH=mips
.if ${TARGET_ARCH:Mmips64el*} != ""
LIB32WMAKEFLAGS= LD="${XLD} -m elf32ltsmip_fbsd"
.else
LIB32WMAKEFLAGS= LD="${XLD} -m elf32btsmip_fbsd"
.endif
LIB32WMAKEFLAGS+= OBJCOPY="${XOBJCOPY}"
.endif

3
gnu/lib/libgcc/Makefile
View file

@ -133,7 +133,8 @@ LIBADD+= compiler_rt
.if ${TARGET_CPUARCH} == mips
LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
# ABIs other than o32 need this
.if ${TARGET_ARCH:Mmips64*} != "" || ${TARGET_ARCH:Mmipsn32*} != ""
.if (${TARGET_ARCH:Mmips64*} != "" || ${TARGET_ARCH:Mmipsn32*} != "") && \
!defined(COMPAT_32BIT)
LIB2FUNCS_EXTRA+= floatdidf.c fixunsdfsi.c
LIB2FUNCS_EXTRA+= floatdisf.c floatundidf.c
LIB2FUNCS_EXTRA+= fixsfdi.c floatundisf.c

1
gnu/usr.bin/binutils/ld/Makefile.mips
View file

@ -8,6 +8,7 @@ _EMULATION_ENDIAN=b
.if ${TARGET_ARCH:Mmips64*} != ""
NATIVE_EMULATION=elf64${_EMULATION_ENDIAN}tsmip_fbsd
LIBSEARCHPATH.elf32${_EMULATION_ENDIAN}tsmip_fbsd=\"=/usr/lib32\"
.elif ${TARGET_ARCH:Mmipsn32*} != ""
NATIVE_EMULATION=elf32${_EMULATION_ENDIAN}tsmipn32_fbsd
.else

2
sys/mips/conf/MALTA64
View file

@ -11,3 +11,5 @@ machine mips mips64
makeoptions ARCH_FLAGS="-march=mips64 -mabi=64"
makeoptions KERNLOADADDR=0xffffffff80100000
options COMPAT_FREEBSD32 # Compatible with o32 binaries