6d4766c1b8
the oabi is still in the tree, but it is expected this will be removed as developers work on surrounding code. With this commit the ARM EABI is the only supported supported ABI by FreeBSD on ARMa 32-bit processors. X-MFC after: never Relnotes: yes Differential Revision: https://reviews.freebsd.org/D876
91 lines
2.1 KiB
Makefile
91 lines
2.1 KiB
Makefile
# $FreeBSD$
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# Use the following command to build local debug version of dynamic
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# linker:
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# make DEBUG_FLAGS=-g DEBUG=-DDEBUG MK_TESTS=no all
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.include <src.opts.mk>
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MK_SSP= no
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PROG?= ld-elf.so.1
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SRCS= rtld_start.S \
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reloc.c rtld.c rtld_lock.c rtld_printf.c map_object.c \
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malloc.c xmalloc.c debug.c libmap.c
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MAN= rtld.1
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CSTD?= gnu99
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TOPSRCDIR= ${.CURDIR}/../..
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CFLAGS+= -Wall -DFREEBSD_ELF -DIN_RTLD
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CFLAGS+= -I${TOPSRCDIR}/lib/csu/common
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.if exists(${.CURDIR}/${MACHINE_ARCH})
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RTLD_ARCH= ${MACHINE_ARCH}
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.else
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RTLD_ARCH= ${MACHINE_CPUARCH}
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.endif
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CFLAGS+= -I${.CURDIR}/${RTLD_ARCH} -I${.CURDIR}
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.if ${MACHINE_ARCH} == "powerpc64"
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CFLAGS+= -mcall-aixdesc
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LDFLAGS+= -nostdlib -e _rtld_start
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.else
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LDFLAGS+= -nostdlib -e .rtld_start
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.endif
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WARNS?= 2
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INSTALLFLAGS= -C -b
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PRECIOUSPROG=
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BINDIR= /libexec
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SYMLINKS= ${BINDIR}/${PROG} /usr/libexec/${PROG}
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MLINKS= rtld.1 ld-elf.so.1.1 \
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rtld.1 ld.so.1
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.if ${MACHINE_CPUARCH} == "sparc64"
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CFLAGS+= -fPIC
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.else
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CFLAGS+= -fpic
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.endif
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CFLAGS+= -DPIC $(DEBUG)
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LDFLAGS+= -shared -Wl,-Bsymbolic
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DPADD= ${LIBC_PIC}
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LDADD= -lc_pic
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.if ${MACHINE_CPUARCH} == "arm"
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# Some of the required math functions (div & mod) are implemented in
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# libcompiler_rt on ARM. The library also needs to be placed first to be
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# correctly linked. As some of the functions are used before we have
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# shared libraries.
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DPADD+= ${LIBCOMPILER_RT}
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LDADD+= -lcompiler_rt
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.endif
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.if ${MK_SYMVER} == "yes"
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LIBCDIR= ${TOPSRCDIR}/lib/libc
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VERSION_DEF= ${LIBCDIR}/Versions.def
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SYMBOL_MAPS= ${.CURDIR}/Symbol.map
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VERSION_MAP= Version.map
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LDFLAGS+= -Wl,--version-script=${VERSION_MAP}
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${PROG}: ${VERSION_MAP}
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.if exists(${.CURDIR}/${RTLD_ARCH}/Symbol.map)
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SYMBOL_MAPS+= ${.CURDIR}/${RTLD_ARCH}/Symbol.map
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.endif
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.endif
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.sinclude "${.CURDIR}/${RTLD_ARCH}/Makefile.inc"
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# Since moving rtld-elf to /libexec, we need to create a symlink.
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# Fixup the existing binary that's there so we can symlink over it.
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beforeinstall:
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.if exists(${DESTDIR}/usr/libexec/${PROG})
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-chflags -h noschg ${DESTDIR}/usr/libexec/${PROG}
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.endif
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.PATH: ${.CURDIR}/${RTLD_ARCH}
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.if ${MK_TESTS} != "no"
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SUBDIR+= tests
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.endif
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.include <bsd.symver.mk>
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.include <bsd.prog.mk>
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