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buildscripts/dkppc/patches/gcc-10.2.0.patch

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diff --git a/config/gthr.m4 b/config/gthr.m4
index 4b937306ad0..bfd0375bd60 100644
--- a/config/gthr.m4
+++ b/config/gthr.m4
@@ -13,6 +13,7 @@ AC_DEFUN([GCC_AC_THREAD_HEADER],
case $1 in
aix) thread_header=config/rs6000/gthr-aix.h ;;
dce) thread_header=config/pa/gthr-dce.h ;;
+ dkp) thread_header=config/rs6000/gthr-dkp.h ;;
gcn) thread_header=config/gcn/gthr-gcn.h ;;
lynx) thread_header=config/gthr-lynx.h ;;
mipssde) thread_header=config/mips/gthr-mipssde.h ;;
diff --git a/gcc/config/i386/host-mingw32.c b/gcc/config/i386/host-mingw32.c
index 250fef59b55..36b2239aa5d 100644
--- a/gcc/config/i386/host-mingw32.c
+++ b/gcc/config/i386/host-mingw32.c
@@ -44,9 +44,6 @@ static size_t mingw32_gt_pch_alloc_granularity (void);
static inline void w32_error(const char*, const char*, int, const char*);
-/* FIXME: Is this big enough? */
-static const size_t pch_VA_max_size = 128 * 1024 * 1024;
-
/* Granularity for reserving address space. */
static size_t va_granularity = 0x10000;
@@ -88,9 +85,6 @@ static void *
mingw32_gt_pch_get_address (size_t size, int)
{
void* res;
- size = (size + va_granularity - 1) & ~(va_granularity - 1);
- if (size > pch_VA_max_size)
- return NULL;
/* FIXME: We let system determine base by setting first arg to NULL.
Allocating at top of available address space avoids unnecessary
@@ -100,7 +94,7 @@ mingw32_gt_pch_get_address (size_t size, int)
If we allocate at bottom we need to reserve the address as early
as possible and at the same point in each invocation. */
- res = VirtualAlloc (NULL, pch_VA_max_size,
+ res = VirtualAlloc (NULL, size,
MEM_RESERVE | MEM_TOP_DOWN,
PAGE_NOACCESS);
if (!res)
@@ -150,7 +144,7 @@ mingw32_gt_pch_use_address (void *addr, size_t size, int fd,
/* Offset must be also be a multiple of allocation granularity for
this to work. We can't change the offset. */
- if ((offset & (va_granularity - 1)) != 0 || size > pch_VA_max_size)
+ if ((offset & (va_granularity - 1)) != 0)
return -1;
diff --git a/gcc/config/newlib-stdint.h b/gcc/config/newlib-stdint.h
index 2e086f16de9..1c27c6467bc 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 132ca20fd7d..119ee5bbc8c 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -196,6 +196,7 @@ ASM_OPT_ANY
/* -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. */
+#if 0
#if defined(__powerpc__) || defined(__POWERPC__) || defined(_AIX)
/* In driver-rs6000.c. */
extern const char *host_detect_local_cpu (int argc, const char **argv);
@@ -207,6 +208,8 @@ 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/sysv4.h b/gcc/config/rs6000/sysv4.h
index 9ade72114e9..cede792d3a7 100644
--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
@@ -590,7 +590,11 @@ GNU_USER_TARGET_CC1_SPEC
/* 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) ; \
@@ -621,7 +625,8 @@ GNU_USER_TARGET_CC1_SPEC
/* 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) ; \
@@ -636,7 +641,10 @@ GNU_USER_TARGET_CC1_SPEC
/* 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) ; \
@@ -650,7 +658,10 @@ GNU_USER_TARGET_CC1_SPEC
#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) ; \
@@ -664,7 +675,8 @@ GNU_USER_TARGET_CC1_SPEC
#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) ; \
@@ -674,11 +686,12 @@ GNU_USER_TARGET_CC1_SPEC
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) ; \
@@ -694,16 +707,27 @@ GNU_USER_TARGET_CC1_SPEC
/* 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"
@@ -851,6 +875,7 @@ 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 }, \
@@ -860,6 +885,7 @@ 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 }, \
@@ -869,6 +895,7 @@ 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 }, \
@@ -880,7 +907,11 @@ 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 }, \
@@ -890,6 +921,7 @@ 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 }, \
@@ -901,6 +933,9 @@ 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 b49ba261f3c..4eda763dfca 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 eb6061c1631..4c6e993ca3a 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -12208,7 +12208,7 @@ 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 715fcba0482..779743b69ee 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -1800,7 +1800,7 @@ 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 260fe4d1af6..664808cd19c 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 7e1d5c5df98..2c62480d165 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..26180aa7f36
--- /dev/null
+++ b/libgcc/config/rs6000/gthr-dkp.c
@@ -0,0 +1,319 @@
+/* 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/>. */
+
+#define _BUILDING_LIBGCC
+#include "gthr-dkp.h"
+#include <stddef.h>
+
+
+int
+__gthread_active_p (void)
+{
+ if (!__has_gthr_impl(active)) {
+ return 0;
+ }
+
+ return __gthr_impl_active();
+}
+
+int
+__gthread_create (__gthread_t *__threadid, void *(*__func) (void*),
+ void *__args)
+{
+ if (!__has_gthr_impl(create)) {
+ return -1;
+ }
+
+ return __gthr_impl_create(__threadid, __func, __args);
+}
+
+int
+__gthread_join (__gthread_t __threadid, void **__value_ptr)
+{
+ if (!__has_gthr_impl(join)) {
+ return -1;
+ }
+
+ return __gthr_impl_join(__threadid, __value_ptr);
+}
+
+int
+__gthread_detach (__gthread_t __threadid)
+{
+ if (!__has_gthr_impl(detach)) {
+ return -1;
+ }
+
+ return __gthr_impl_detach(__threadid);
+}
+
+int
+__gthread_equal (__gthread_t __t1, __gthread_t __t2)
+{
+ if (!__has_gthr_impl(equal)) {
+ return -1;
+ }
+
+ return __gthr_impl_equal(__t1, __t2);
+}
+
+__gthread_t
+__gthread_self (void)
+{
+ if (!__has_gthr_impl(self)) {
+ __gthread_t result = { 0 };
+ return result;
+ }
+
+ return __gthr_impl_self();
+}
+
+int
+__gthread_yield (void)
+{
+ if (!__has_gthr_impl(yield)) {
+ return -1;
+ }
+
+ return __gthr_impl_yield();
+}
+
+int
+__gthread_once (__gthread_once_t *__once, void (*__func) (void))
+{
+ if (!__has_gthr_impl(once)) {
+ return -1;
+ }
+
+ return __gthr_impl_once(__once, __func);
+}
+
+int
+__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
+{
+ if (!__has_gthr_impl(key_create)) {
+ return -1;
+ }
+
+ return __gthr_impl_key_create(__key, __dtor);
+}
+
+int
+__gthread_key_delete (__gthread_key_t __key)
+{
+ if (!__has_gthr_impl(key_delete)) {
+ return -1;
+ }
+
+ return __gthr_impl_key_delete(__key);
+}
+
+void *
+__gthread_getspecific (__gthread_key_t __key)
+{
+ if (!__has_gthr_impl(getspecific)) {
+ return NULL;
+ }
+
+ return __gthr_impl_getspecific(__key);
+}
+
+int
+__gthread_setspecific (__gthread_key_t __key, const void *__ptr)
+{
+ if (!__has_gthr_impl(setspecific)) {
+ return -1;
+ }
+
+ return __gthr_impl_setspecific(__key, __ptr);
+}
+
+void
+__gthread_mutex_init_function (__gthread_mutex_t *__mutex)
+{
+ if (__has_gthr_impl(mutex_init_function)) {
+ __gthr_impl_mutex_init_function(__mutex);
+ }
+}
+
+int
+__gthread_mutex_destroy (__gthread_mutex_t *__mutex)
+{
+ if (!__has_gthr_impl(mutex_destroy)) {
+ return -1;
+ }
+
+ return __gthr_impl_mutex_destroy(__mutex);
+}
+
+int
+__gthread_mutex_lock (__gthread_mutex_t *__mutex)
+{
+ if (!__has_gthr_impl(mutex_lock)) {
+ return -1;
+ }
+
+ return __gthr_impl_mutex_lock(__mutex);
+}
+
+int
+__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
+{
+ if (!__has_gthr_impl(mutex_trylock)) {
+ return -1;
+ }
+
+ return __gthr_impl_mutex_trylock(__mutex);
+}
+
+int
+__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
+{
+ if (!__has_gthr_impl(mutex_unlock)) {
+ return -1;
+ }
+
+ return __gthr_impl_mutex_unlock(__mutex);
+}
+
+int
+__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
+{
+ if (!__has_gthr_impl(recursive_mutex_init_function)) {
+ return -1;
+ }
+
+ return __gthr_impl_recursive_mutex_init_function(__mutex);
+}
+
+int
+__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
+{
+ if (!__has_gthr_impl(recursive_mutex_lock)) {
+ return -1;
+ }
+
+ return __gthr_impl_recursive_mutex_lock(__mutex);
+}
+
+int
+__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
+{
+ if (!__has_gthr_impl(recursive_mutex_trylock)) {
+ return -1;
+ }
+
+ return __gthr_impl_recursive_mutex_trylock(__mutex);
+}
+
+int
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
+{
+ if (!__has_gthr_impl(recursive_mutex_unlock)) {
+ return -1;
+ }
+
+ return __gthr_impl_recursive_mutex_unlock(__mutex);
+}
+
+int
+__gthread_recursive_mutex_destroy (__gthread_recursive_mutex_t *__mutex)
+{
+ if (!__has_gthr_impl(recursive_mutex_destroy)) {
+ return -1;
+ }
+
+ return __gthr_impl_recursive_mutex_destroy(__mutex);
+}
+
+void
+__gthread_cond_init_function (__gthread_cond_t *__cond)
+{
+ if (__has_gthr_impl(cond_init_function)) {
+ __gthr_impl_cond_init_function(__cond);
+ }
+}
+
+int
+__gthread_cond_broadcast (__gthread_cond_t *__cond)
+{
+ if (!__has_gthr_impl(cond_broadcast)) {
+ return -1;
+ }
+
+ return __gthr_impl_cond_broadcast(__cond);
+}
+
+int
+__gthread_cond_signal (__gthread_cond_t *__cond)
+{
+ if (!__has_gthr_impl(cond_signal)) {
+ return -1;
+ }
+
+ return __gthr_impl_cond_signal(__cond);
+}
+
+int
+__gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex)
+{
+ if (!__has_gthr_impl(cond_wait)) {
+ return -1;
+ }
+
+ return __gthr_impl_cond_wait(__cond, __mutex);
+}
+
+int
+__gthread_cond_timedwait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
+ const __gthread_time_t *__abs_timeout)
+{
+ if (!__has_gthr_impl(cond_timedwait)) {
+ return -1;
+ }
+
+ return __gthr_impl_cond_timedwait(__cond, __mutex, __abs_timeout);
+}
+
+int
+__gthread_cond_wait_recursive (__gthread_cond_t *__cond,
+ __gthread_recursive_mutex_t *__mutex)
+{
+ if (!__has_gthr_impl(cond_wait_recursive)) {
+ return -1;
+ }
+
+ return __gthr_impl_cond_wait_recursive(__cond, __mutex);
+}
+
+int
+__gthread_cond_destroy (__gthread_cond_t* __cond)
+{
+ if (!__has_gthr_impl(cond_destroy)) {
+ return -1;
+ }
+
+ return __gthr_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..72ecf82ab83
--- /dev/null
+++ b/libgcc/config/rs6000/gthr-dkp.h
@@ -0,0 +1,187 @@
+/* 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
+
+#ifdef _BUILDING_LIBGCC
+#define __GTHR_IMPL(_name) __attribute__((weak)) __gthr_impl_##_name
+#define __has_gthr_impl(_name) (&__gthr_impl_##_name)
+#else
+#define __GTHR_IMPL(_name) __gthr_impl_##_name
+#endif
+
+int __GTHR_IMPL(active) (void);
+int __GTHR_IMPL(create) (__gthread_t *__threadid, void *(*__func) (void*), void *__args);
+int __GTHR_IMPL(join) (__gthread_t __threadid, void **__value_ptr);
+int __GTHR_IMPL(detach) (__gthread_t __threadid);
+int __GTHR_IMPL(equal) (__gthread_t __t1, __gthread_t __t2);
+__gthread_t __GTHR_IMPL(self) (void);
+int __GTHR_IMPL(yield) (void);
+int __GTHR_IMPL(once) (__gthread_once_t *__once, void (*__func) (void));
+int __GTHR_IMPL(key_create) (__gthread_key_t *__key, void (*__dtor) (void *));
+int __GTHR_IMPL(key_delete) (__gthread_key_t __key);
+void * __GTHR_IMPL(getspecific) (__gthread_key_t __key);
+int __GTHR_IMPL(setspecific) (__gthread_key_t __key, const void *__ptr);
+void __GTHR_IMPL(mutex_init_function) (__gthread_mutex_t *__mutex);
+int __GTHR_IMPL(mutex_destroy) (__gthread_mutex_t *__mutex);
+int __GTHR_IMPL(mutex_lock) (__gthread_mutex_t *__mutex);
+int __GTHR_IMPL(mutex_trylock) (__gthread_mutex_t *__mutex);
+int __GTHR_IMPL(mutex_unlock) (__gthread_mutex_t *__mutex);
+int __GTHR_IMPL(recursive_mutex_init_function) (__gthread_recursive_mutex_t *__mutex);
+int __GTHR_IMPL(recursive_mutex_lock) (__gthread_recursive_mutex_t *__mutex);
+int __GTHR_IMPL(recursive_mutex_trylock) (__gthread_recursive_mutex_t *__mutex);
+int __GTHR_IMPL(recursive_mutex_unlock) (__gthread_recursive_mutex_t *__mutex);
+int __GTHR_IMPL(recursive_mutex_destroy) (__gthread_recursive_mutex_t *__mutex);
+void __GTHR_IMPL(cond_init_function) (__gthread_cond_t *__cond);
+int __GTHR_IMPL(cond_broadcast) (__gthread_cond_t *__cond);
+int __GTHR_IMPL(cond_signal) (__gthread_cond_t *__cond);
+int __GTHR_IMPL(cond_wait) (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex);
+int __GTHR_IMPL(cond_timedwait) (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
+ const __gthread_time_t *__abs_timeout);
+int __GTHR_IMPL(cond_wait_recursive) (__gthread_cond_t *__cond,
+ __gthread_recursive_mutex_t *__mutex);
+int __GTHR_IMPL(cond_destroy) (__gthread_cond_t* __cond);
+
+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 \
$(srcdir)/config/rs6000/tramp.S
# This can't end up in shared libgcc
diff --git a/libgcc/configure b/libgcc/configure
index 26bf75789e0..1f663d2cfb0 100755
--- a/libgcc/configure
+++ b/libgcc/configure
@@ -5640,6 +5640,7 @@ tm_file="${tm_file_}"
case $target_thread_file in
aix) thread_header=config/rs6000/gthr-aix.h ;;
dce) thread_header=config/pa/gthr-dce.h ;;
+ dkp) thread_header=config/rs6000/gthr-dkp.h ;;
gcn) thread_header=config/gcn/gthr-gcn.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 3f769a1c660..e005d8304b7 100644
--- a/libgcc/crtstuff.c
+++ b/libgcc/crtstuff.c
@@ -325,7 +325,7 @@ register_tm_clones (void)
#ifdef OBJECT_FORMAT_ELF
-#if DEFAULT_USE_CXA_ATEXIT
+#if 1 /* DEFAULT_USE_CXA_ATEXIT */
/* Declare the __dso_handle variable. It should have a unique value
in every shared-object; in a main program its value is zero. The
object should in any case be protected. This means the instance
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 9f9c5a2419a..c9bb6c548be 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -15637,6 +15637,7 @@ $as_echo "$target_thread_file" >&6; }
case $target_thread_file in
aix) thread_header=config/rs6000/gthr-aix.h ;;
dce) thread_header=config/pa/gthr-dce.h ;;
+ dkp) thread_header=config/rs6000/gthr-dkp.h ;;
gcn) thread_header=config/gcn/gthr-gcn.h ;;
lynx) thread_header=config/gthr-lynx.h ;;
mipssde) thread_header=config/mips/gthr-mipssde.h ;;
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