diff options
| -rw-r--r-- | cross/cross-binutils/PKGBUILD | 5 | ||||
| -rw-r--r-- | cross/cross-gcc/PKGBUILD | 10 | ||||
| -rw-r--r-- | cross/cross-gcc/mips-kfreebsd-gnu.patch | 426 |
3 files changed, 438 insertions, 3 deletions
diff --git a/cross/cross-binutils/PKGBUILD b/cross/cross-binutils/PKGBUILD index de5cf209b..e343797c7 100644 --- a/cross/cross-binutils/PKGBUILD +++ b/cross/cross-binutils/PKGBUILD @@ -3,15 +3,18 @@ # Maintainer: Márcio Silva (Parabola) <coadde@parabola.nu> # toolchain build order: -# {kernel}-api-headers->glibc->binutils->gcc->binutils->glibc +# {kernel}-api-headers->glibc->binutils->gcc->binutils->glibc # toolchain (for cross-compiler) build order: # {kernel}-api-headers(host system)->glibc(host system) +# ->binutils(host system)->gcc(host system)->binutils(host system)->glibc(host system) # ->binutils(cross)->gcc(cross) # ->kernel-api-headers(target system)->glibc(target system) # ->binutils(target system)->gcc(target system)->binutils(target system) # ->glibc(target system) +# NOTE: libtool requires rebuilt with each new gcc version + #-------------------------------------------------------------------------------- # cross-compile table #-------------------------------------------------------------------------------- diff --git a/cross/cross-gcc/PKGBUILD b/cross/cross-gcc/PKGBUILD index f6d29de2c..0a1025c54 100644 --- a/cross/cross-gcc/PKGBUILD +++ b/cross/cross-gcc/PKGBUILD @@ -141,11 +141,13 @@ source=(#ftp://$_pkgname.gnu.org/pub/$_pkgname/releases/$_pkgname-${pkgver}/$_pk ftp://$_pkgname.gnu.org/pub/$_pkgname/snapshots/${_snapshot}/$_pkgname-${_snapshot}.tar.bz2 $_pkgname-4.8-filename-output.patch $_pkgname-4.8-lambda-ICE.patch - $_pkgname-xtensa.patch) + $_pkgname-xtensa.patch + mips-kfreebsd-gnu.patch) md5sums=('9d35549404a2326540fb88301ebd1977' '40cb437805e2f7a006aa0d0c3098ab0f' '6eb6e080dbf7bc6825f53a0aaa6c4ef9' - '81372ee980289a9f6df01dad31c64a63') + '81372ee980289a9f6df01dad31c64a63' + '43282cddb2080b1180f7b76d3a8a832c') if [ -n "${_snapshot}" ]; then _basedir=$_pkgname-${_snapshot} @@ -182,6 +184,10 @@ prepare() { # open-ath9k-htc-firmware patch on xtensa-unknown-elf [[ $_target == xtensa-unknown-elf ]] && patch -p1 -i ${srcdir}/$_pkgname-xtensa.patch + # mips patch on kfreebsd-gnu + [[ $_target == mips64el-unknown-kfreebsd-gnu ]] && \ + patch -p1 -i ${srcdir}/mips-kfreebsd-gnu.patch + mkdir ${srcdir}/$_pkgname-build } diff --git a/cross/cross-gcc/mips-kfreebsd-gnu.patch b/cross/cross-gcc/mips-kfreebsd-gnu.patch new file mode 100644 index 000000000..9c8acfa91 --- /dev/null +++ b/cross/cross-gcc/mips-kfreebsd-gnu.patch @@ -0,0 +1,426 @@ +diff -Nur a/gcc/config/mips/kfreebsd-gnu64.h b/gcc/config/mips/kfreebsd-gnu64.h +--- a/gcc/config/mips/kfreebsd-gnu64.h 1969-12-31 21:00:00.000000000 -0300 ++++ b/gcc/config/mips/kfreebsd-gnu64.h 2014-03-16 13:20:51.041846449 -0300 +@@ -0,0 +1,27 @@ ++/* Definitions for MIPS running Linux-based GNU systems with ELF format ++ using n32/64 abi. ++ Copyright (C) 2002-2013 Free Software Foundation, Inc. ++ ++This file is part of GCC. ++ ++GCC is free software; you can redistribute it and/or modify ++it under the terms of the GNU General Public License as published by ++the Free Software Foundation; either version 3, or (at your option) ++any later version. ++ ++GCC is distributed in the hope that it will be useful, ++but WITHOUT ANY WARRANTY; without even the implied warranty of ++MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++GNU General Public License for more details. ++ ++You should have received a copy of the GNU General Public License ++along with GCC; see the file COPYING3. If not see ++<http://www.gnu.org/licenses/>. */ ++ ++#define GNU_USER_LINK_EMULATION32 "elf32%{EB:b}%{EL:l}tsmip_fbsd" ++#define GNU_USER_LINK_EMULATION64 "elf64%{EB:b}%{EL:l}tsmip_fbsd" ++#define GNU_USER_LINK_EMULATIONN32 "elf32%{EB:b}%{EL:l}tsmipn32_fbsd" ++ ++#define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1" ++#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld.so.1" ++#define GNU_USER_DYNAMIC_LINKERN32 "/lib32/ld.so.1" +diff -Nur a/gcc/config/mips/kfreebsd-gnu.h b/gcc/config/mips/kfreebsd-gnu.h +--- a/gcc/config/mips/kfreebsd-gnu.h 1969-12-31 21:00:00.000000000 -0300 ++++ b/gcc/config/mips/kfreebsd-gnu.h 2013-01-10 18:38:27.000000000 -0200 +@@ -0,0 +1,20 @@ ++/* Definitions for MIPS running Linux-based GNU systems with ELF format. ++ Copyright (C) 1998-2013 Free Software Foundation, Inc. ++ ++This file is part of GCC. ++ ++GCC is free software; you can redistribute it and/or modify ++it under the terms of the GNU General Public License as published by ++the Free Software Foundation; either version 3, or (at your option) ++any later version. ++ ++GCC is distributed in the hope that it will be useful, ++but WITHOUT ANY WARRANTY; without even the implied warranty of ++MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++GNU General Public License for more details. ++ ++You should have received a copy of the GNU General Public License ++along with GCC; see the file COPYING3. If not see ++<http://www.gnu.org/licenses/>. */ ++ ++#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" +diff -Nur a/gcc/config/mips/mti-kfreebsd.h b/gcc/config/mips/mti-kfreebsd.h +--- a/gcc/config/mips/mti-kfreebsd.h 1969-12-31 21:00:00.000000000 -0300 ++++ b/gcc/config/mips/mti-kfreebsd.h 2014-03-16 06:26:20.059268372 -0300 +@@ -0,0 +1,43 @@ ++/* Target macros for mips*-mti-linux* targets. ++ Copyright (C) 2012-2013 Free Software Foundation, Inc. ++ ++This file is part of GCC. ++ ++GCC is free software; you can redistribute it and/or modify ++it under the terms of the GNU General Public License as published by ++the Free Software Foundation; either version 3, or (at your option) ++any later version. ++ ++GCC is distributed in the hope that it will be useful, ++but WITHOUT ANY WARRANTY; without even the implied warranty of ++MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++GNU General Public License for more details. ++ ++You should have received a copy of the GNU General Public License ++along with GCC; see the file COPYING3. If not see ++<http://www.gnu.org/licenses/>. */ ++ ++/* This target is a multilib target, specify the sysroot paths. */ ++#undef SYSROOT_SUFFIX_SPEC ++#define SYSROOT_SUFFIX_SPEC \ ++ "%{mips32:/mips32}%{mips64:/mips64}%{mips64r2:/mips64r2}%{mabi=64:/64}%{mel|EL:/el}%{msoft-float:/sof}" ++ ++#undef DRIVER_SELF_SPECS ++#define DRIVER_SELF_SPECS \ ++ /* Make sure a -mips option is present. This helps us to pick \ ++ the right multilib, and also makes the later specs easier \ ++ to write. */ \ ++ MIPS_ISA_LEVEL_SPEC, \ ++ \ ++ /* Infer the default float setting from -march. */ \ ++ MIPS_ARCH_FLOAT_SPEC, \ ++ \ ++ /* Infer the -msynci setting from -march if not explicitly set. */ \ ++ MIPS_ISA_SYNCI_SPEC, \ ++ \ ++ /* If no ABI option is specified, infer one from the ISA level \ ++ or -mgp setting. */ \ ++ "%{!mabi=*: %{" MIPS_32BIT_OPTION_SPEC ": -mabi=32;: -mabi=n32}}", \ ++ \ ++ /* Base SPECs. */ \ ++ BASE_DRIVER_SELF_SPECS +diff -Nur a/gcc/config/mips/t-kfreebsd64 b/gcc/config/mips/t-kfreebsd64 +--- a/gcc/config/mips/t-kfreebsd64 1969-12-31 21:00:00.000000000 -0300 ++++ b/gcc/config/mips/t-kfreebsd64 2014-03-16 04:56:34.851827638 -0300 +@@ -0,0 +1,26 @@ ++# Copyright (C) 2003-2013 Free Software Foundation, Inc. ++# ++# This file is part of GCC. ++# ++# GCC is free software; you can redistribute it and/or modify ++# it under the terms of the GNU General Public License as published by ++# the Free Software Foundation; either version 3, or (at your option) ++# any later version. ++# ++# GCC is distributed in the hope that it will be useful, ++# but WITHOUT ANY WARRANTY; without even the implied warranty of ++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++# GNU General Public License for more details. ++# ++# You should have received a copy of the GNU General Public License ++# along with GCC; see the file COPYING3. If not see ++# <http://www.gnu.org/licenses/>. ++ ++MULTILIB_OPTIONS = mabi=n32/mabi=32/mabi=64 ++MULTILIB_DIRNAMES = n32 32 64 ++MIPS_EL = $(if $(filter %el, $(firstword $(subst -, ,$(target)))),el) ++MIPS_SOFT = $(if $(strip $(filter MASK_SOFT_FLOAT_ABI, $(target_cpu_default)) $(filter soft, $(with_float))),soft) ++MULTILIB_OSDIRNAMES = \ ++ ../lib32$(call if_multiarch,:mips64$(MIPS_EL)-kfreebsd-gnuabin32$(MIPS_SOFT)) \ ++ ../lib$(call if_multiarch,:mips$(MIPS_EL)-kfreebsd-gnu$(MIPS_SOFT)) \ ++ ../lib64$(call if_multiarch,:mips64$(MIPS_EL)-kfreebsd-gnuabi64$(MIPS_SOFT)) +diff -Nur a/gcc/config/mips/t-mti-kfreebsd b/gcc/config/mips/t-mti-kfreebsd +--- a/gcc/config/mips/t-mti-kfreebsd 1969-12-31 21:00:00.000000000 -0300 ++++ b/gcc/config/mips/t-mti-kfreebsd 2013-01-10 18:38:27.000000000 -0200 +@@ -0,0 +1,33 @@ ++# Copyright (C) 2012-2013 Free Software Foundation, Inc. ++# ++# This file is part of GCC. ++# ++# GCC is free software; you can redistribute it and/or modify ++# it under the terms of the GNU General Public License as published by ++# the Free Software Foundation; either version 3, or (at your option) ++# any later version. ++# ++# GCC is distributed in the hope that it will be useful, ++# but WITHOUT ANY WARRANTY; without even the implied warranty of ++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++# GNU General Public License for more details. ++# ++# You should have received a copy of the GNU General Public License ++# along with GCC; see the file COPYING3. If not see ++# <http://www.gnu.org/licenses/>. ++ ++# The default build is mips32r2, hard-float big-endian. Add mips32, ++# soft-float, and little-endian variations. ++ ++MULTILIB_OPTIONS = mips32/mips64/mips64r2 mabi=64 EL msoft-float ++MULTILIB_DIRNAMES = mips32 mips64 mips64r2 64 el sof ++MULTILIB_MATCHES = EL=mel EB=meb ++ ++# The 64 bit ABI is not supported on the mips32 architecture. ++MULTILIB_EXCEPTIONS += *mips32*/*mabi=64* ++ ++# The 64 bit ABI is not supported on the mips32r2 architecture. ++# Because mips32r2 is the default we can't use that flag to trigger ++# the exception so we check for mabi=64 with no specific mips flag ++# instead. ++MULTILIB_EXCEPTIONS += mabi=64* +diff -Nur a/gcc/config.gcc b/gcc/config.gcc +--- a/gcc/config.gcc 2013-12-07 01:29:47.000000000 -0200 ++++ b/gcc/config.gcc 2014-03-16 13:02:41.653469226 -0300 +@@ -1795,36 +1795,79 @@ + tm_file="elfos.h ${tm_file} mips/elf.h netbsd.h netbsd-elf.h mips/netbsd.h" + extra_options="${extra_options} netbsd.opt netbsd-elf.opt" + ;; +-mips*-mti-linux*) +- tm_file="dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h ${tm_file} mips/gnu-user.h mips/gnu-user64.h mips/linux64.h mips/linux-common.h mips/mti-linux.h" +- tmake_file="${tmake_file} mips/t-mti-linux" ++mips*-mti-linux* | mips*-mti-kfreebsd*-gnu) ++ tm_file="dbxelf.h elfos.h gnu-user.h glibc-stdint.h ${tm_file} mips/gnu-user.h mips/gnu-user64.h" + tm_defines="${tm_defines} MIPS_ISA_DEFAULT=33 MIPS_ABI_DEFAULT=ABI_32" ++ case ${target} in ++ mips*-mti-linux*) ++ tm_file="${tm_file} linux.h mips/linux64.h mips/linux-common.h mips/mti-linux.h ++ tmake_file="${tmake_file} mips/t-mti-linux" ++ ;; ++ mips*-mti-kfreebsd*-gnu) ++ tm_file="${tm_file} kfreebsd-gnu.h mips/kfreebsd-gnu64.h mips/mti-kfreebsd-gnu.h ++ tmake_file="${tmake_file} mips/t-mti-kfreebsd" ++ ;; ++ esac + gnu_ld=yes + gas=yes + test x$with_llsc != x || with_llsc=yes + ;; +-mips64*-*-linux* | mipsisa64*-*-linux*) +- tm_file="dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h ${tm_file} mips/gnu-user.h mips/gnu-user64.h mips/linux64.h mips/linux-common.h" +- tmake_file="${tmake_file} mips/t-linux64" ++mips64*-*-linux* | mipsisa64*-*-linux* | mips64*-*-kfreebsd*-gnu | mipsisa64*-*-kfreebsd*-gnu) ++ tm_file="dbxelf.h elfos.h gnu-user.h glibc-stdint.h ${tm_file} mips/gnu-user.h mips/gnu-user64.h" + tm_defines="${tm_defines} MIPS_ABI_DEFAULT=ABI_N32" + case ${target} in + mips64el-st-linux-gnu) +- tm_file="${tm_file} mips/st.h" +- tmake_file="${tmake_file} mips/t-st" ++ tm_file="${tm_file} mips/st.h linux.h mips/linux64.h mips/linux-common.h" ++ tmake_file="${tmake_file} mips/t-st mips/t-linux64" + ;; + mips64octeon*-*-linux*) ++ tm_file="${tm_file} linux.h mips/linux64.h mips/linux-common.h" ++ tmake_file="${tmake_file} mips/t-linux64" + tm_defines="${tm_defines} MIPS_CPU_STRING_DEFAULT=\\\"octeon\\\"" + target_cpu_default=MASK_SOFT_FLOAT_ABI + ;; ++ mips64*-*-linux*) ++ tm_file="${tm_file} linux.h mips/linux64.h mips/linux-common.h" ++ tmake_file="${tmake_file} mips/t-linux64" ++ ;; + mipsisa64r2*-*-linux*) ++ tm_file="${tm_file} linux.h mips/linux64.h mips/linux-common.h" ++ tmake_file="${tmake_file} mips/t-linux64" ++ tm_defines="${tm_defines} MIPS_ISA_DEFAULT=65" ++ ;; ++ mipsisa64*-*-linux*) ++ tm_file="${tm_file} linux.h mips/linux64.h mips/linux-common.h" ++ tmake_file="${tmake_file} mips/t-linux64" ++ ;; ++ mips64el-st-kfreebsd-gnu) ++ tm_file="${tm_file} mips/st.h kfreebsd-gnu.h mips/kfreebsd-gnu64.h" ++ tmake_file="${tmake_file} mips/t-st mips/t-kfreebsd64" ++ ;; ++ mips64octeon*-*-kfreebsd*-gnu) ++ tm_file="${tm_file} kfreebsd-gnu.h mips/kfreebsd-gnu64.h" ++ tmake_file="${tmake_file} mips/t-kfreebsd64" ++ tm_defines="${tm_defines} MIPS_CPU_STRING_DEFAULT=\\\"octeon\\\"" ++ target_cpu_default=MASK_SOFT_FLOAT_ABI ++ ;; ++ mips64*-*-kfreebsd*-gnu) ++ tm_file="${tm_file} kfreebsd-gnu.h mips/kfreebsd-gnu64.h" ++ tmake_file="${tmake_file} mips/t-kfreebsd64" ++ ;; ++ mipsisa64r2*-*-kfreebsd*-gnu) ++ tm_file="${tm_file} kfreebsd-gnu.h mips/kfreebsd-gnu64.h" ++ tmake_file="${tmake_file} mips/t-kfreebsd64" + tm_defines="${tm_defines} MIPS_ISA_DEFAULT=65" + ;; ++ mipsisa64*-*-kfreebsd*-gnu) ++ tm_file="${tm_file} kfreebsd-gnu.h mips/kfreebsd-gnu64.h" ++ tmake_file="${tmake_file} mips/t-kfreebsd64" ++ ;; + esac + gnu_ld=yes + gas=yes + test x$with_llsc != x || with_llsc=yes + ;; +-mips*-*-linux*) # Linux MIPS, either endian. ++mips*-*-linux*) # MIPS, either endian. + tm_file="dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h ${tm_file} mips/gnu-user.h mips/linux.h" + if test x$enable_targets = xall; then + tm_file="${tm_file} mips/gnu-user64.h mips/linux64.h" +@@ -1840,6 +1883,22 @@ + esac + test x$with_llsc != x || with_llsc=yes + ;; ++mips*-*-kfreebsd*-gnu) # MIPS, either endian. ++ tm_file="dbxelf.h elfos.h gnu-user.h kfreebsd-gnu.h glibc-stdint.h ${tm_file} mips/gnu-user.h mips/kfreebsd-gnu.h" ++ if test x$enable_targets = xall; then ++ tm_file="${tm_file} mips/gnu-user64.h mips/kfreebsd-gnu64.h" ++ tmake_file="${tmake_file} mips/t-kfreebsd64" ++ fi ++ tm_file="${tm_file} kfreebsd-gnu.h" ++ case ${target} in ++ mipsisa32r2*) ++ tm_defines="${tm_defines} MIPS_ISA_DEFAULT=33" ++ ;; ++ mipsisa32*) ++ tm_defines="${tm_defines} MIPS_ISA_DEFAULT=32" ++ esac ++ test x$with_llsc != x || with_llsc=yes ++ ;; + mips*-mti-elf*) + tm_file="elfos.h newlib-stdint.h ${tm_file} mips/elf.h mips/sde.h mips/mti-elf.h" + tmake_file="mips/t-mti-elf" +diff -Nur a/libgcc/config/mips/kfreebsd-gnu-unwind.h b/libgcc/config/mips/kfreebsd-gnu-unwind.h +--- a/libgcc/config/mips/kfreebsd-gnu-unwind.h 1969-12-31 21:00:00.000000000 -0300 ++++ b/libgcc/config/mips/kfreebsd-gnu-unwind.h 2013-02-25 11:53:16.000000000 -0200 +@@ -0,0 +1,120 @@ ++/* DWARF2 EH unwinding support for MIPS Linux. ++ Copyright (C) 2004-2013 Free Software Foundation, Inc. ++ ++This file is part of GCC. ++ ++GCC is free software; you can redistribute it and/or modify ++it under the terms of the GNU General Public License as published by ++the Free Software Foundation; either version 3, or (at your option) ++any later version. ++ ++GCC is distributed in the hope that it will be useful, ++but WITHOUT ANY WARRANTY; without even the implied warranty of ++MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++GNU General Public License for more details. ++ ++Under Section 7 of GPL version 3, you are granted additional ++permissions described in the GCC Runtime Library Exception, version ++3.1, as published by the Free Software Foundation. ++ ++You should have received a copy of the GNU General Public License and ++a copy of the GCC Runtime Library Exception along with this program; ++see the files COPYING3 and COPYING.RUNTIME respectively. If not, see ++<http://www.gnu.org/licenses/>. */ ++ ++#ifndef inhibit_libc ++/* Do code reading to identify a signal frame, and set the frame ++ state data appropriately. See unwind-dw2.c for the structs. */ ++ ++#include <signal.h> ++#include <asm/unistd.h> ++ ++/* The third parameter to the signal handler points to something with ++ * this structure defined in asm/ucontext.h, but the name clashes with ++ * struct ucontext from sys/ucontext.h so this private copy is used. */ ++typedef struct _sig_ucontext { ++ unsigned long uc_flags; ++ struct _sig_ucontext *uc_link; ++ stack_t uc_stack; ++ struct sigcontext uc_mcontext; ++ sigset_t uc_sigmask; ++} _sig_ucontext_t; ++ ++#define MD_FALLBACK_FRAME_STATE_FOR mips_fallback_frame_state ++ ++static _Unwind_Reason_Code ++mips_fallback_frame_state (struct _Unwind_Context *context, ++ _Unwind_FrameState *fs) ++{ ++ u_int32_t *pc = (u_int32_t *) context->ra; ++ struct sigcontext *sc; ++ _Unwind_Ptr new_cfa, reg_offset; ++ int i; ++ ++ /* 24021061 li v0, 0x1061 (rt_sigreturn)*/ ++ /* 0000000c syscall */ ++ /* or */ ++ /* 24021017 li v0, 0x1017 (sigreturn) */ ++ /* 0000000c syscall */ ++ if (pc[1] != 0x0000000c) ++ return _URC_END_OF_STACK; ++#if _MIPS_SIM == _ABIO32 ++ if (pc[0] == (0x24020000 | __NR_sigreturn)) ++ { ++ struct sigframe { ++ u_int32_t ass[4]; /* Argument save space for o32. */ ++ u_int32_t trampoline[2]; ++ struct sigcontext sigctx; ++ } *rt_ = context->cfa; ++ sc = &rt_->sigctx; ++ } ++ else ++#endif ++ if (pc[0] == (0x24020000 | __NR_rt_sigreturn)) ++ { ++ struct rt_sigframe { ++ u_int32_t ass[4]; /* Argument save space for o32. */ ++ u_int32_t trampoline[2]; ++ siginfo_t info; ++ _sig_ucontext_t uc; ++ } *rt_ = context->cfa; ++ sc = &rt_->uc.uc_mcontext; ++ } ++ else ++ return _URC_END_OF_STACK; ++ ++ new_cfa = (_Unwind_Ptr) sc; ++ fs->regs.cfa_how = CFA_REG_OFFSET; ++ fs->regs.cfa_reg = STACK_POINTER_REGNUM; ++ fs->regs.cfa_offset = new_cfa - (_Unwind_Ptr) context->cfa; ++ ++ /* On o32 Linux, the register save slots in the sigcontext are ++ eight bytes. We need the lower half of each register slot, ++ so slide our view of the structure back four bytes. */ ++#if _MIPS_SIM == _ABIO32 && defined __MIPSEB__ ++ reg_offset = 4; ++#else ++ reg_offset = 0; ++#endif ++ ++ for (i = 0; i < 32; i++) { ++ fs->regs.reg[i].how = REG_SAVED_OFFSET; ++ fs->regs.reg[i].loc.offset ++ = (_Unwind_Ptr)&(sc->sc_regs[i]) + reg_offset - new_cfa; ++ } ++ /* "PC & -2" points to the faulting instruction, but the unwind code ++ searches for "(ADDR & -2) - 1". (See MASK_RETURN_ADDR for the source ++ of the -2 mask.) Adding 2 here ensures that "(ADDR & -2) - 1" is the ++ address of the second byte of the faulting instruction. ++ ++ Note that setting fs->signal_frame would not work. As the comment ++ above MASK_RETURN_ADDR explains, MIPS unwinders must earch for an ++ odd-valued address. */ ++ fs->regs.reg[DWARF_ALT_FRAME_RETURN_COLUMN].how = REG_SAVED_VAL_OFFSET; ++ fs->regs.reg[DWARF_ALT_FRAME_RETURN_COLUMN].loc.offset ++ = (_Unwind_Ptr)(sc->sc_pc) + 2 - new_cfa; ++ fs->retaddr_column = DWARF_ALT_FRAME_RETURN_COLUMN; ++ ++ return _URC_NO_REASON; ++} ++#endif +diff -Nur a/libgcc/config.host b/libgcc/config.host +--- a/libgcc/config.host 2014-01-21 17:50:02.000000000 -0200 ++++ b/libgcc/config.host 2014-03-16 05:04:15.960188275 -0300 +@@ -732,6 +732,14 @@ + tmake_file="${tmake_file} mips/t-tpbit" + fi + ;; ++mips*-*-kfreebsd*-gnu) # MIPS, either endian. ++ extra_parts="$extra_parts crtfastmath.o" ++ tmake_file="${tmake_file} t-crtfm mips/t-mips16" ++ md_unwind_header=mips/kfreebsd-gnu-unwind.h ++ if test "${ac_cv_sizeof_long_double}" = 16; then ++ tmake_file="${tmake_file} mips/t-tpbit" ++ fi ++ ;; + mips*-sde-elf*) + tmake_file="$tmake_file mips/t-crtstuff mips/t-mips16" + case "${with_newlib}" in |