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buildscripts/dkppc/patches/gcc-8.4.0.patch
Dave Murphy e68aaf8cdd devkitPPC: update gcc to 8.4.0
2020-04-12 01:37:13 +01:00

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diff --git a/config/gthr.m4 b/config/gthr.m4
index 7b29f1f3327..814104f32a2 100644
--- a/config/gthr.m4
+++ b/config/gthr.m4
@@ -12,6 +12,7 @@ AC_DEFUN([GCC_AC_THREAD_HEADER],
[
case $1 in
aix) thread_header=config/rs6000/gthr-aix.h ;;
+ dkp) thread_header=config/rs6000/gthr-dkp.h ;;
dce) thread_header=config/pa/gthr-dce.h ;;
lynx) thread_header=config/gthr-lynx.h ;;
mipssde) thread_header=config/mips/gthr-mipssde.h ;;
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 47cfce25dee..cfd8ce71123 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -2480,7 +2480,7 @@ powerpc-xilinx-eabi*)
use_gcc_stdint=wrap
;;
powerpc-*-eabi*)
- tm_file="${tm_file} dbxelf.h elfos.h usegas.h freebsd-spec.h newlib-stdint.h rs6000/sysv4.h rs6000/eabi.h"
+ tm_file="${tm_file} dbxelf.h elfos.h usegas.h freebsd-spec.h newlib-stdint.h rs6000/sysv4.h rs6000/eabi.h rs6000/750cl.h"
extra_options="${extra_options} rs6000/sysv4.opt"
tmake_file="rs6000/t-fprules rs6000/t-ppcgas rs6000/t-ppccomm"
use_gcc_stdint=wrap
diff --git a/gcc/config/newlib-stdint.h b/gcc/config/newlib-stdint.h
index f46e797d610..fd39e64c38d 100644
--- a/gcc/config/newlib-stdint.h
+++ b/gcc/config/newlib-stdint.h
@@ -25,7 +25,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
/* newlib uses 32-bit long in certain cases for all non-SPU
targets. */
#ifndef STDINT_LONG32
-#define STDINT_LONG32 (LONG_TYPE_SIZE == 32)
+#define STDINT_LONG32 0
#endif
#define SIG_ATOMIC_TYPE "int"
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index b83b304e3eb..b85359edcfc 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -212,6 +212,7 @@
{ "asm_cpu_476", ASM_CPU_476_SPEC }, \
SUBTARGET_EXTRA_SPECS
+#if 0
/* -mcpu=native handling only makes sense with compiler running on
an PowerPC chip. If changing this condition, also change
the condition in driver-rs6000.c. */
@@ -226,6 +227,8 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
#else
#define ASM_CPU_NATIVE_SPEC "%(asm_default)"
#endif
+#endif
+#define ASM_CPU_NATIVE_SPEC "%(asm_default)"
#ifndef CC1_CPU_SPEC
#ifdef HAVE_LOCAL_CPU_DETECT
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 4dbe8e5d133..3e2095e5b64 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -5631,19 +5631,19 @@
tmp = gen_reg_rtx (DImode);
emit_insn (gen_fctiwz_<mode> (tmp, src));
- if (MEM_P (dest))
+ if (TARGET_POWERPC64 && (TARGET_MFPGPR || TARGET_DIRECT_MOVE))
{
- dest = rs6000_address_for_fpconvert (dest);
- emit_insn (gen_stfiwx (dest, tmp));
+ dest = gen_lowpart (DImode, dest);
+ emit_move_insn (dest, tmp);
DONE;
}
- else if (TARGET_POWERPC64 && (TARGET_MFPGPR || TARGET_DIRECT_MOVE))
+ else if (MEM_P (dest) && MEM_ALIGN (dest) >= 32)
{
- dest = gen_lowpart (DImode, dest);
- emit_move_insn (dest, tmp);
+ dest = rs6000_address_for_fpconvert (dest);
+ emit_insn (gen_stfiwx (dest, tmp));
DONE;
}
- else
+ else
{
rtx stack = rs6000_allocate_stack_temp (SImode, false, true);
emit_insn (gen_stfiwx (stack, tmp));
diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h
index bb19d0dcd41..74d1e474432 100644
--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
@@ -565,7 +565,11 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
/* Default starting address if specified. */
#define LINK_START_SPEC "\
-%{mads : %(link_start_ads) ; \
+%{mgcn|mogc : %(link_start_ogc) ; \
+ mvgc : %(link_start_vgc) ; \
+ mgcbios : %(link_start_gcb) ; \
+ mrvl : %(link_start_rvl) ; \
+ mads : %(link_start_ads) ; \
myellowknife : %(link_start_yellowknife) ; \
mmvme : %(link_start_mvme) ; \
msim : %(link_start_sim) ; \
@@ -596,7 +600,8 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
/* Any specific OS flags. */
#define LINK_OS_SPEC "\
-%{mads : %(link_os_ads) ; \
+%{mgcn|mogc|mvgc|mgcbios|mrvl : %(link_os_ogc) ; \
+ mads : %(link_os_ads) ; \
myellowknife : %(link_os_yellowknife) ; \
mmvme : %(link_os_mvme) ; \
msim : %(link_os_sim) ; \
@@ -614,7 +619,10 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
/* Override rs6000.h definition. */
#undef CPP_SPEC
#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
-%{mads : %(cpp_os_ads) ; \
+%{mgcn : %(cpp_os_gcn) ; \
+ mogc|mvgc|mgcbios : %(cpp_os_ogc) ; \
+ mrvl : %(cpp_os_rvl) ; \
+ mads : %(cpp_os_ads) ; \
myellowknife : %(cpp_os_yellowknife) ; \
mmvme : %(cpp_os_mvme) ; \
msim : %(cpp_os_sim) ; \
@@ -628,7 +636,10 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "\
-%{mads : %(startfile_ads) ; \
+%{mgcn : %(startfile_gcn) ; \
+ mogc|mvgc|mgcbios : %(startfile_ogc) ; \
+ mrvl : %(startfile_ogc) ; \
+ mads : %(startfile_ads) ; \
myellowknife : %(startfile_yellowknife) ; \
mmvme : %(startfile_mvme) ; \
msim : %(startfile_sim) ; \
@@ -642,7 +653,8 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
#undef LIB_SPEC
#define LIB_SPEC "\
-%{mads : %(lib_ads) ; \
+%{mgcn|mogc|mvgc|mgcbios|mrvl : %(lib_ogc) ; \
+ mads : %(lib_ads) ; \
myellowknife : %(lib_yellowknife) ; \
mmvme : %(lib_mvme) ; \
msim : %(lib_sim) ; \
@@ -652,11 +664,12 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
mcall-openbsd: %(lib_openbsd) ; \
: %(lib_default) }"
-#define LIB_DEFAULT_SPEC "-lc"
+#define LIB_DEFAULT_SPEC "--start-group -lsysbase -lc --end-group"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "\
-%{mads : %(endfile_ads) ; \
+%{mgcn|mogc|mvgc|mgcbios|mrvl : %(endfile_ogc) ; \
+ mads : %(endfile_ads) ; \
myellowknife : %(endfile_yellowknife) ; \
mmvme : %(endfile_mvme) ; \
msim : %(endfile_sim) ; \
@@ -672,16 +685,27 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
/* Motorola ADS support. */
#define LIB_ADS_SPEC "--start-group -lads -lc --end-group"
+#define LIB_OGC_SPEC "--start-group -lsysbase -lc --end-group"
#define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
+#define STARTFILE_OGC_SPEC "ecrti.o%s crtbegin.o%s crtmain.o%s"
#define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s"
+#define ENDFILE_OGC_SPEC "crtend.o%s ecrtn.o%s"
#define LINK_START_ADS_SPEC "-T ads.ld%s"
+#define LINK_START_OGC_SPEC "-T ogc.ld%s"
+#define LINK_START_RVL_SPEC "-T rvl.ld%s"
+#define LINK_START_VGC_SPEC "-T vgcogc.ld%s"
+#define LINK_START_GCB_SPEC "-T gcbogc.ld%s"
#define LINK_OS_ADS_SPEC ""
+#define LINK_OS_OGC_SPEC "--gc-sections"
#define CPP_OS_ADS_SPEC ""
+#define CPP_OS_GCN_SPEC "-D__gamecube__ -ffunction-sections -fdata-sections"
+#define CPP_OS_OGC_SPEC "-D__gamecube__ -DHW_DOL -ffunction-sections -fdata-sections"
+#define CPP_OS_RVL_SPEC "-D__wii__ -DHW_RVL -ffunction-sections -fdata-sections"
/* Motorola Yellowknife support. */
#define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group"
@@ -882,6 +906,7 @@ ncrtn.o%s"
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \
+ { "lib_ogc", LIB_OGC_SPEC }, \
{ "lib_ads", LIB_ADS_SPEC }, \
{ "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \
{ "lib_mvme", LIB_MVME_SPEC }, \
@@ -891,6 +916,7 @@ ncrtn.o%s"
{ "lib_netbsd", LIB_NETBSD_SPEC }, \
{ "lib_openbsd", LIB_OPENBSD_SPEC }, \
{ "lib_default", LIB_DEFAULT_SPEC }, \
+ { "startfile_ogc", STARTFILE_OGC_SPEC }, \
{ "startfile_ads", STARTFILE_ADS_SPEC }, \
{ "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \
{ "startfile_mvme", STARTFILE_MVME_SPEC }, \
@@ -900,6 +926,7 @@ ncrtn.o%s"
{ "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \
{ "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \
{ "startfile_default", STARTFILE_DEFAULT_SPEC }, \
+ { "endfile_ogc", ENDFILE_OGC_SPEC }, \
{ "endfile_ads", ENDFILE_ADS_SPEC }, \
{ "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \
{ "endfile_mvme", ENDFILE_MVME_SPEC }, \
@@ -911,7 +938,11 @@ ncrtn.o%s"
{ "endfile_default", ENDFILE_DEFAULT_SPEC }, \
{ "link_shlib", LINK_SHLIB_SPEC }, \
{ "link_start", LINK_START_SPEC }, \
+ { "link_start_vgc", LINK_START_VGC_SPEC }, \
+ { "link_start_gcb", LINK_START_GCB_SPEC }, \
+ { "link_start_rvl", LINK_START_RVL_SPEC }, \
{ "link_start_ads", LINK_START_ADS_SPEC }, \
+ { "link_start_ogc", LINK_START_OGC_SPEC }, \
{ "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \
{ "link_start_mvme", LINK_START_MVME_SPEC }, \
{ "link_start_sim", LINK_START_SIM_SPEC }, \
@@ -921,6 +952,7 @@ ncrtn.o%s"
{ "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \
{ "link_start_default", LINK_START_DEFAULT_SPEC }, \
{ "link_os", LINK_OS_SPEC }, \
+ { "link_os_ogc", LINK_OS_OGC_SPEC }, \
{ "link_os_ads", LINK_OS_ADS_SPEC }, \
{ "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \
{ "link_os_mvme", LINK_OS_MVME_SPEC }, \
@@ -932,6 +964,9 @@ ncrtn.o%s"
{ "link_os_default", LINK_OS_DEFAULT_SPEC }, \
{ "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \
{ "link_secure_plt", LINK_SECURE_PLT_SPEC }, \
+ { "cpp_os_gcn", CPP_OS_GCN_SPEC }, \
+ { "cpp_os_ogc", CPP_OS_OGC_SPEC }, \
+ { "cpp_os_rvl", CPP_OS_RVL_SPEC }, \
{ "cpp_os_ads", CPP_OS_ADS_SPEC }, \
{ "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
{ "cpp_os_mvme", CPP_OS_MVME_SPEC }, \
diff --git a/gcc/config/rs6000/sysv4.opt b/gcc/config/rs6000/sysv4.opt
index 34fea0ddd08..084a8ae435e 100644
--- a/gcc/config/rs6000/sysv4.opt
+++ b/gcc/config/rs6000/sysv4.opt
@@ -124,6 +124,26 @@ mads
Target RejectNegative
Link with libads.a, libc.a and crt0.o.
+mgcn
+Target RejectNegative
+Link with libsysbase.a and libc.a, use ogc linker script
+
+mogc
+Target RejectNegative
+Link with libsysbase.a and libc.a, use ogc linker script
+
+mgcbios
+Target RejectNegative
+Link with libsysbase.a and libc.a, use gcbogc linker script
+
+mvgc
+Target RejectNegative
+Link with libsysbase.a and libc.a, use gcbogc linker script
+
+mrvl
+Target RejectNegative
+Link with libsysbase.a and libc.a, use rvl linker script
+
myellowknife
Target RejectNegative
Link with libyk.a, libc.a and crt0.o.
diff --git a/gcc/configure b/gcc/configure
index 97ba7d7d69c..c0e468546ed 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -11693,7 +11693,7 @@ case ${enable_threads} in
# default
target_thread_file='single'
;;
- aix | dce | lynx | mipssde | posix | rtems | \
+ aix | dce | dkp | lynx | mipssde | posix | rtems | \
single | tpf | vxworks | win32)
target_thread_file=${enable_threads}
;;
diff --git a/gcc/configure.ac b/gcc/configure.ac
index d6f2d5b2ed0..15edac2ce9b 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -1611,7 +1611,7 @@ case ${enable_threads} in
# default
target_thread_file='single'
;;
- aix | dce | lynx | mipssde | posix | rtems | \
+ aix | dce | dkp | lynx | mipssde | posix | rtems | \
single | tpf | vxworks | win32)
target_thread_file=${enable_threads}
;;
diff --git a/libgcc/config/rs6000/crtrestvr.S b/libgcc/config/rs6000/crtrestvr.S
index ba2b2623301..8d866107142 100644
--- a/libgcc/config/rs6000/crtrestvr.S
+++ b/libgcc/config/rs6000/crtrestvr.S
@@ -24,7 +24,7 @@
/* On PowerPC64 Linux, these functions are provided by the linker. */
#ifndef __powerpc64__
-
+#if 0
#undef __ALTIVEC__
#define __ALTIVEC__ 1
#include "ppc-asm.h"
@@ -86,3 +86,4 @@ FUNC_END(_restvr_20)
CFI_ENDPROC
#endif
+#endif
diff --git a/libgcc/config/rs6000/crtsavevr.S b/libgcc/config/rs6000/crtsavevr.S
index 077e33f34d5..b7be68b710f 100644
--- a/libgcc/config/rs6000/crtsavevr.S
+++ b/libgcc/config/rs6000/crtsavevr.S
@@ -24,7 +24,7 @@
/* On PowerPC64 Linux, these functions are provided by the linker. */
#ifndef __powerpc64__
-
+#if 0
#undef __ALTIVEC__
#define __ALTIVEC__ 1
#include "ppc-asm.h"
@@ -86,3 +86,4 @@ FUNC_END(_savevr_20)
CFI_ENDPROC
#endif
+#endif
diff --git a/libgcc/config/rs6000/gthr-dkp.c b/libgcc/config/rs6000/gthr-dkp.c
new file mode 100644
index 00000000000..94d6ba94ec0
--- /dev/null
+++ b/libgcc/config/rs6000/gthr-dkp.c
@@ -0,0 +1,349 @@
+/* Threads compatibility routines for libgcc2 and libobjc. */
+/* Compile this one with gcc. */
+/* Copyright (C) 1997-2016 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/>. */
+
+#include "gthr-dkp.h"
+#include <stddef.h>
+
+__gthread_impl_t __gthread_impl = {
+ NULL, // active
+ NULL, // create
+ NULL, // join
+ NULL, // detach
+ NULL, // equal
+ NULL, // self
+ NULL, // yield
+ NULL, // once
+ NULL, // key_create
+ NULL, // key_delete
+ NULL, // getspecific
+ NULL, // setspecific
+ NULL, // mutex_init_function
+ NULL, // mutex_destroy
+ NULL, // mutex_lock
+ NULL, // mutex_trylock
+ NULL, // mutex_unlock
+ NULL, // recursive_mutex_init_function
+ NULL, // recursive_mutex_lock
+ NULL, // recursive_mutex_trylock
+ NULL, // recursive_mutex_unlock
+ NULL, // recursive_mutex_destroy
+ NULL, // cond_init_function
+ NULL, // cond_broadcast
+ NULL, // cond_signal
+ NULL, // cond_wait
+ NULL, // cond_timedwait
+ NULL, // cond_wait_recursive
+ NULL, // cond_destroy
+};
+
+int
+__gthread_active_p (void)
+{
+ if (!__gthread_impl.active) {
+ return 0;
+ }
+
+ return __gthread_impl.active();
+}
+
+int
+__gthread_create (__gthread_t *__threadid, void *(*__func) (void*),
+ void *__args)
+{
+ if (!__gthread_impl.create) {
+ return -1;
+ }
+
+ return __gthread_impl.create(__threadid, __func, __args);
+}
+
+int
+__gthread_join (__gthread_t __threadid, void **__value_ptr)
+{
+ if (!__gthread_impl.join) {
+ return -1;
+ }
+
+ return __gthread_impl.join(__threadid, __value_ptr);
+}
+
+int
+__gthread_detach (__gthread_t __threadid)
+{
+ if (!__gthread_impl.detach) {
+ return -1;
+ }
+
+ return __gthread_impl.detach(__threadid);
+}
+
+int
+__gthread_equal (__gthread_t __t1, __gthread_t __t2)
+{
+ if (!__gthread_impl.equal) {
+ return -1;
+ }
+
+ return __gthread_impl.equal(__t1, __t2);
+}
+
+__gthread_t
+__gthread_self (void)
+{
+ if (!__gthread_impl.self) {
+ __gthread_t result = { 0 };
+ return result;
+ }
+
+ return __gthread_impl.self();
+}
+
+int
+__gthread_yield (void)
+{
+ if (!__gthread_impl.yield) {
+ return -1;
+ }
+
+ return __gthread_impl.yield();
+}
+
+int
+__gthread_once (__gthread_once_t *__once, void (*__func) (void))
+{
+ if (!__gthread_impl.once) {
+ return -1;
+ }
+
+ return __gthread_impl.once(__once, __func);
+}
+
+int
+__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
+{
+ if (!__gthread_impl.key_create) {
+ return -1;
+ }
+
+ return __gthread_impl.key_create(__key, __dtor);
+}
+
+int
+__gthread_key_delete (__gthread_key_t __key)
+{
+ if (!__gthread_impl.key_delete) {
+ return -1;
+ }
+
+ return __gthread_impl.key_delete(__key);
+}
+
+void *
+__gthread_getspecific (__gthread_key_t __key)
+{
+ if (!__gthread_impl.getspecific) {
+ return NULL;
+ }
+
+ return __gthread_impl.getspecific(__key);
+}
+
+int
+__gthread_setspecific (__gthread_key_t __key, const void *__ptr)
+{
+ if (!__gthread_impl.setspecific) {
+ return -1;
+ }
+
+ return __gthread_impl.setspecific(__key, __ptr);
+}
+
+void
+__gthread_mutex_init_function (__gthread_mutex_t *__mutex)
+{
+ if (__gthread_impl.mutex_init_function) {
+ __gthread_impl.mutex_init_function(__mutex);
+ }
+}
+
+int
+__gthread_mutex_destroy (__gthread_mutex_t *__mutex)
+{
+ if (!__gthread_impl.mutex_destroy) {
+ return -1;
+ }
+
+ return __gthread_impl.mutex_destroy(__mutex);
+}
+
+int
+__gthread_mutex_lock (__gthread_mutex_t *__mutex)
+{
+ if (!__gthread_impl.mutex_lock) {
+ return -1;
+ }
+
+ return __gthread_impl.mutex_lock(__mutex);
+}
+
+int
+__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
+{
+ if (!__gthread_impl.mutex_trylock) {
+ return -1;
+ }
+
+ return __gthread_impl.mutex_trylock(__mutex);
+}
+
+int
+__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
+{
+ if (!__gthread_impl.mutex_unlock) {
+ return -1;
+ }
+
+ return __gthread_impl.mutex_unlock(__mutex);
+}
+
+int
+__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
+{
+ if (!__gthread_impl.recursive_mutex_init_function) {
+ return -1;
+ }
+
+ return __gthread_impl.recursive_mutex_init_function(__mutex);
+}
+
+int
+__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
+{
+ if (!__gthread_impl.recursive_mutex_lock) {
+ return -1;
+ }
+
+ return __gthread_impl.recursive_mutex_lock(__mutex);
+}
+
+int
+__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
+{
+ if (!__gthread_impl.recursive_mutex_trylock) {
+ return -1;
+ }
+
+ return __gthread_impl.recursive_mutex_trylock(__mutex);
+}
+
+int
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
+{
+ if (!__gthread_impl.recursive_mutex_unlock) {
+ return -1;
+ }
+
+ return __gthread_impl.recursive_mutex_unlock(__mutex);
+}
+
+int
+__gthread_recursive_mutex_destroy (__gthread_recursive_mutex_t *__mutex)
+{
+ if (!__gthread_impl.recursive_mutex_destroy) {
+ return -1;
+ }
+
+ return __gthread_impl.recursive_mutex_destroy(__mutex);
+}
+
+void
+__gthread_cond_init_function (__gthread_cond_t *__cond)
+{
+ if (__gthread_impl.cond_init_function) {
+ __gthread_impl.cond_init_function(__cond);
+ }
+}
+
+int
+__gthread_cond_broadcast (__gthread_cond_t *__cond)
+{
+ if (!__gthread_impl.cond_broadcast) {
+ return -1;
+ }
+
+ return __gthread_impl.cond_broadcast(__cond);
+}
+
+int
+__gthread_cond_signal (__gthread_cond_t *__cond)
+{
+ if (!__gthread_impl.cond_signal) {
+ return -1;
+ }
+
+ return __gthread_impl.cond_signal(__cond);
+}
+
+int
+__gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex)
+{
+ if (!__gthread_impl.cond_wait) {
+ return -1;
+ }
+
+ return __gthread_impl.cond_wait(__cond, __mutex);
+}
+
+int
+__gthread_cond_timedwait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
+ const __gthread_time_t *__abs_timeout)
+{
+ if (!__gthread_impl.cond_timedwait) {
+ return -1;
+ }
+
+ return __gthread_impl.cond_timedwait(__cond, __mutex, __abs_timeout);
+}
+
+int
+__gthread_cond_wait_recursive (__gthread_cond_t *__cond,
+ __gthread_recursive_mutex_t *__mutex)
+{
+ if (!__gthread_impl.cond_wait_recursive) {
+ return -1;
+ }
+
+ return __gthread_impl.cond_wait_recursive(__cond, __mutex);
+}
+
+int
+__gthread_cond_destroy (__gthread_cond_t* __cond)
+{
+ if (!__gthread_impl.cond_destroy) {
+ return -1;
+ }
+
+ return __gthread_impl.cond_destroy(__cond);
+}
diff --git a/libgcc/config/rs6000/gthr-dkp.h b/libgcc/config/rs6000/gthr-dkp.h
new file mode 100644
index 00000000000..281c19d2a60
--- /dev/null
+++ b/libgcc/config/rs6000/gthr-dkp.h
@@ -0,0 +1,185 @@
+/* Threads compatibility routines for libgcc2 and libobjc. */
+/* Compile this one with gcc. */
+/* Copyright (C) 1997-2016 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 _GLIBCXX_GCC_GTHR_DKP_H
+#define _GLIBCXX_GCC_GTHR_DKP_H
+
+#define __GTHREADS 1
+#define __GTHREADS_CXX0X 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void * __gthread_t;
+typedef struct { int padding[7]; } __gthread_cond_t;
+typedef struct { int padding; } __gthread_key_t;
+typedef struct { int padding[11]; } __gthread_mutex_t;
+typedef struct { int padding; } __gthread_once_t;
+typedef struct { int padding[11]; } __gthread_recursive_mutex_t;
+typedef struct timespec __gthread_time_t;
+
+#define __GTHREAD_HAS_COND 1
+#define _GTHREAD_USE_MUTEX_TIMEDLOCK 0
+
+#define __GTHREAD_ONCE_INIT { 0 }
+#define __GTHREAD_TIME_INIT { 0, 0 }
+
+#define __GTHREAD_COND_INIT_FUNCTION __gthread_cond_init_function
+#define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function
+#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
+
+typedef struct {
+ int (*active) (void);
+ int (*create) (__gthread_t *__threadid, void *(*__func) (void*),
+ void *__args);
+ int (*join) (__gthread_t __threadid, void **__value_ptr);
+ int (*detach) (__gthread_t __threadid);
+ int (*equal) (__gthread_t __t1, __gthread_t __t2);
+ __gthread_t (*self) (void);
+ int (*yield) (void);
+ int (*once) (__gthread_once_t *__once, void (*__func) (void));
+ int (*key_create) (__gthread_key_t *__key, void (*__dtor) (void *));
+ int (*key_delete) (__gthread_key_t __key);
+ void * (*getspecific) (__gthread_key_t __key);
+ int (*setspecific) (__gthread_key_t __key, const void *__ptr);
+ void (*mutex_init_function) (__gthread_mutex_t *__mutex);
+ int (*mutex_destroy) (__gthread_mutex_t *__mutex);
+ int (*mutex_lock) (__gthread_mutex_t *__mutex);
+ int (*mutex_trylock) (__gthread_mutex_t *__mutex);
+ int (*mutex_unlock) (__gthread_mutex_t *__mutex);
+ int (*recursive_mutex_init_function) (__gthread_recursive_mutex_t *__mutex);
+ int (*recursive_mutex_lock) (__gthread_recursive_mutex_t *__mutex);
+ int (*recursive_mutex_trylock) (__gthread_recursive_mutex_t *__mutex);
+ int (*recursive_mutex_unlock) (__gthread_recursive_mutex_t *__mutex);
+ int (*recursive_mutex_destroy) (__gthread_recursive_mutex_t *__mutex);
+ void (*cond_init_function) (__gthread_cond_t *__cond);
+ int (*cond_broadcast) (__gthread_cond_t *__cond);
+ int (*cond_signal) (__gthread_cond_t *__cond);
+ int (*cond_wait) (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex);
+ int (*cond_timedwait) (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
+ const __gthread_time_t *__abs_timeout);
+ int (*cond_wait_recursive) (__gthread_cond_t *__cond,
+ __gthread_recursive_mutex_t *__mutex);
+ int (*cond_destroy) (__gthread_cond_t* __cond);
+} __gthread_impl_t;
+
+extern __gthread_impl_t __gthread_impl;
+
+int
+__gthread_active_p (void);
+
+int
+__gthread_create (__gthread_t *__threadid, void *(*__func) (void*),
+ void *__args);
+
+int
+__gthread_join (__gthread_t __threadid, void **__value_ptr);
+
+int
+__gthread_detach (__gthread_t __threadid);
+
+int
+__gthread_equal (__gthread_t __t1, __gthread_t __t2);
+
+__gthread_t
+__gthread_self (void);
+
+int
+__gthread_yield (void);
+
+int
+__gthread_once (__gthread_once_t *__once, void (*__func) (void));
+
+int
+__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *));
+
+int
+__gthread_key_delete (__gthread_key_t __key);
+
+void *
+__gthread_getspecific (__gthread_key_t __key);
+
+int
+__gthread_setspecific (__gthread_key_t __key, const void *__ptr);
+
+void
+__gthread_mutex_init_function (__gthread_mutex_t *__mutex);
+
+int
+__gthread_mutex_destroy (__gthread_mutex_t *__mutex);
+
+int
+__gthread_mutex_lock (__gthread_mutex_t *__mutex);
+
+int
+__gthread_mutex_trylock (__gthread_mutex_t *__mutex);
+
+int
+__gthread_mutex_unlock (__gthread_mutex_t *__mutex);
+
+int
+__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex);
+
+int
+__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex);
+
+int
+__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex);
+
+int
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex);
+
+int
+__gthread_recursive_mutex_destroy (__gthread_recursive_mutex_t *__mutex);
+
+void
+__gthread_cond_init_function (__gthread_cond_t *__cond);
+
+int
+__gthread_cond_broadcast (__gthread_cond_t *__cond);
+
+int
+__gthread_cond_signal (__gthread_cond_t *__cond);
+
+int
+__gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex);
+
+int
+__gthread_cond_timedwait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
+ const __gthread_time_t *__abs_timeout);
+
+int
+__gthread_cond_wait_recursive (__gthread_cond_t *__cond,
+ __gthread_recursive_mutex_t *__mutex);
+
+int
+__gthread_cond_destroy (__gthread_cond_t* __cond);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! _GLIBCXX_GCC_GTHR_DKP_H */
diff --git a/libgcc/config/rs6000/t-ppccomm b/libgcc/config/rs6000/t-ppccomm
index fb812d3801f..7f6669d530f 100644
--- a/libgcc/config/rs6000/t-ppccomm
+++ b/libgcc/config/rs6000/t-ppccomm
@@ -1,4 +1,5 @@
LIB2ADD += $(srcdir)/config/rs6000/ibm-ldouble.c \
+ $(srcdir)/config/rs6000/gthr-dkp.c \
$(srcdir)/config/rs6000/tramp.S
# This can't end up in shared libgcc
diff --git a/libgcc/configure b/libgcc/configure
index b2f3f870844..c6f93f8b3ac 100644
--- a/libgcc/configure
+++ b/libgcc/configure
@@ -5442,6 +5442,7 @@ tm_file="${tm_file_}"
case $target_thread_file in
aix) thread_header=config/rs6000/gthr-aix.h ;;
+ dkp) thread_header=config/rs6000/gthr-dkp.h ;;
dce) thread_header=config/pa/gthr-dce.h ;;
lynx) thread_header=config/gthr-lynx.h ;;
mipssde) thread_header=config/mips/gthr-mipssde.h ;;
diff --git a/libgcc/crtstuff.c b/libgcc/crtstuff.c
index 5e894455e16..f2347455de0 100644
--- a/libgcc/crtstuff.c
+++ b/libgcc/crtstuff.c
@@ -47,6 +47,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
/* Target machine header files require this define. */
#define IN_LIBGCC2
+#define USED_FOR_TARGET
/* FIXME: Including auto-host is incorrect, but until we have
identified the set of defines that need to go into auto-target.h,
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 61457e940ec..a7c63407ced 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -15382,6 +15382,7 @@ $as_echo "$target_thread_file" >&6; }
case $target_thread_file in
aix) thread_header=config/rs6000/gthr-aix.h ;;
+ dkp) thread_header=config/rs6000/gthr-dkp.h ;;
dce) thread_header=config/pa/gthr-dce.h ;;
lynx) thread_header=config/gthr-lynx.h ;;
mipssde) thread_header=config/mips/gthr-mipssde.h ;;
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