b27c108234
This is a roll-up of a set of changes needed to support the Arm EABI on NetBSD. 2019-06-14 Matt Thomas <matt@3am-software.com> Matthew Green <mrg@eterna.com.au> Nick Hudson <skrll@netbsd.org> Maya Rashish <coypu@sdf.org> Richard Earnshaw <rearnsha@arm.com> gcc: * config.gcc (arm*-*-netbsdelf*) Add support for EABI configuration. * config.host (arm*-*-netbsd*): Use driver-arm.o on native NetBSD. * config/arm/netbsd-eabi.h: New file. * config/arm/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Undefine before redefining. (SUBTARGET_EXTRA_ASM_SPEC): Don't pass -matpcs to the assembler. * config/netbsd-elf.h (NETBSD_LINK_LD_ELF_SO_SPEC): New define. (NETBSD_SUBTARGET_EXTRA_SPECS): New define. (SUBTARGET_EXTRA_SPECS): Define to NETBSD_SUBTARGET_EXTRA_SPECS. libatomic: * configure.tgt (arm*): Handle NetBSD in the same way as FreeBSD. libgcc: * config.host (arm*-*-netbsdelf*): Add support for EABI configurations. * config/arm/t-netbsd (LIB1ASMFUNCS): Add some additional assembler functions to build. * config/arm/t-netbsd-eabi: New file. Co-Authored-By: Matthew Green <mrg@eterna.com.au> Co-Authored-By: Maya Rashish <coypu@sdf.org> Co-Authored-By: Nick Hudson <skrll@netbsd.org> Co-Authored-By: Richard Earnshaw <rearnsha@arm.com> From-SVN: r272290
19 lines
591 B
Plaintext
19 lines
591 B
Plaintext
# This list is from t-elf, but with lots removed.
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LIB1ASMFUNCS += _dvmd_tls _bb_init_func _call_via_rX _interwork_call_via_rX \
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_clzsi2 _clzdi2 _ctzsi2
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# Derived from t-bpabi
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# Add the BPABI C functions.
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LIB2ADD += $(srcdir)/config/arm/unaligned-funcs.c
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# Not using libgcc for EH.
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LIB2ADDEH =
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# Add the BPABI names.
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SHLIB_MAPFILES += $(srcdir)/config/arm/libgcc-bpabi.ver
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# On ARM, specifying -fnon-call-exceptions will needlessly pull in
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# the unwinder in simple programs which use 64-bit division. Omitting
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# the option is safe.
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LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions
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