166 lines
5.3 KiB
Diff
166 lines
5.3 KiB
Diff
From 6ecc701c02c54cd1af013e70aef7ccf768f42da2 Mon Sep 17 00:00:00 2001
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From: swcompiler <lc@wxiat.com>
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Date: Mon, 25 Nov 2024 16:53:22 +0800
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Subject: [PATCH 10/16] Sw64 Port: libgomp
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---
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libgomp/config/linux/sw_64/futex.h | 102 +++++++++++++++++++++++++++++
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libgomp/configure | 6 ++
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libgomp/configure.tgt | 4 ++
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libgomp/libgomp.spec.in | 2 +-
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4 files changed, 113 insertions(+), 1 deletion(-)
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create mode 100644 libgomp/config/linux/sw_64/futex.h
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diff --git a/libgomp/config/linux/sw_64/futex.h b/libgomp/config/linux/sw_64/futex.h
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new file mode 100644
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index 000000000..258f38289
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--- /dev/null
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+++ b/libgomp/config/linux/sw_64/futex.h
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@@ -0,0 +1,102 @@
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+/* Copyright (C) 2005-2022 Free Software Foundation, Inc.
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+ Contributed by Richard Henderson <rth@redhat.com>.
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+
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+ This file is part of the GNU Offloading and Multi Processing Library
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+ (libgomp).
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+
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+ Libgomp is free software; you can redistribute it and/or modify it
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+ under the terms of the GNU General Public License as published by
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+ the Free Software Foundation; either version 3, or (at your option)
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+ any later version.
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+
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+ Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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+ FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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+ more details.
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+
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+ Under Section 7 of GPL version 3, you are granted additional
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+ permissions described in the GCC Runtime Library Exception, version
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+ 3.1, as published by the Free Software Foundation.
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+
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+ You should have received a copy of the GNU General Public License and
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+ a copy of the GCC Runtime Library Exception along with this program;
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+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+/* Provide target-specific access to the futex system call. */
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+
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+#ifndef SYS_futex
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+#define SYS_futex 394
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+#endif
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+
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+static inline void
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+futex_wait (int *addr, int val)
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+{
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+ register long sc_0 __asm__("$0");
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+ register long sc_16 __asm__("$16");
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+ register long sc_17 __asm__("$17");
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+ register long sc_18 __asm__("$18");
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+ register long sc_19 __asm__("$19");
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+
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+ sc_0 = SYS_futex;
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+ sc_16 = (long) addr;
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+ sc_17 = gomp_futex_wait;
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+ sc_18 = val;
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+ sc_19 = 0;
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+ __asm volatile ("callsys"
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+ : "=r"(sc_0), "=r"(sc_19)
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+ : "0"(sc_0), "r"(sc_16), "r"(sc_17), "r"(sc_18), "1"(sc_19)
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+ : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$22", "$23",
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+ "$24", "$25", "$27", "$28", "memory");
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+ if (__builtin_expect (sc_19, 0) && sc_0 == ENOSYS)
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+ {
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+ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
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+ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
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+ sc_0 = SYS_futex;
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+ sc_17 &= ~FUTEX_PRIVATE_FLAG;
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+ sc_19 = 0;
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+ __asm volatile ("callsys"
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+ : "=r"(sc_0), "=r"(sc_19)
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+ : "0"(sc_0), "r"(sc_16), "r"(sc_17), "r"(sc_18), "1"(sc_19)
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+ : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$22",
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+ "$23", "$24", "$25", "$27", "$28", "memory");
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+ }
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+}
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+
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+static inline void
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+futex_wake (int *addr, int count)
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+{
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+ register long sc_0 __asm__("$0");
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+ register long sc_16 __asm__("$16");
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+ register long sc_17 __asm__("$17");
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+ register long sc_18 __asm__("$18");
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+ register long sc_19 __asm__("$19");
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+
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+ sc_0 = SYS_futex;
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+ sc_16 = (long) addr;
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+ sc_17 = gomp_futex_wake;
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+ sc_18 = count;
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+ __asm volatile ("callsys"
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+ : "=r"(sc_0), "=r"(sc_19)
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+ : "0"(sc_0), "r"(sc_16), "r"(sc_17), "r"(sc_18)
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+ : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$22", "$23",
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+ "$24", "$25", "$27", "$28", "memory");
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+ if (__builtin_expect (sc_19, 0) && sc_0 == ENOSYS)
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+ {
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+ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
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+ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
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+ sc_0 = SYS_futex;
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+ sc_17 &= ~FUTEX_PRIVATE_FLAG;
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+ __asm volatile ("callsys"
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+ : "=r"(sc_0), "=r"(sc_19)
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+ : "0"(sc_0), "r"(sc_16), "r"(sc_17), "r"(sc_18)
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+ : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$22",
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+ "$23", "$24", "$25", "$27", "$28", "memory");
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+ }
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+}
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+
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+static inline void
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+cpu_relax (void)
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+{
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+ __asm volatile ("" : : : "memory");
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+}
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diff --git a/libgomp/configure b/libgomp/configure
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index 471c957b7..a1df23705 100755
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--- a/libgomp/configure
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+++ b/libgomp/configure
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@@ -11841,6 +11841,12 @@ case `echo $GFORTRAN` in
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FC=no
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fi ;;
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esac
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+case "${target}" in
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+ sw_64-*-*)
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+ FC="$GFORTRAN"
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+ ;;
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+*)
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+esac
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ac_ext=${ac_fc_srcext-f}
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ac_compile='$FC -c $FCFLAGS $ac_fcflags_srcext conftest.$ac_ext >&5'
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ac_link='$FC -o conftest$ac_exeext $FCFLAGS $LDFLAGS $ac_fcflags_srcext conftest.$ac_ext $LIBS >&5'
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diff --git a/libgomp/configure.tgt b/libgomp/configure.tgt
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index f924e9f98..a8023d0f2 100644
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--- a/libgomp/configure.tgt
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+++ b/libgomp/configure.tgt
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@@ -87,6 +87,10 @@ if test x$enable_linux_futex = xyes; then
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config_path="linux/s390 linux posix"
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;;
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+ sw_64*-*-linux*)
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+ config_path="linux/sw_64 linux posix"
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+ ;;
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+
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tile*-*-linux*)
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config_path="linux/tile linux posix"
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;;
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diff --git a/libgomp/libgomp.spec.in b/libgomp/libgomp.spec.in
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index 5651603f4..8442e6313 100644
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--- a/libgomp/libgomp.spec.in
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+++ b/libgomp/libgomp.spec.in
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@@ -1,3 +1,3 @@
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# This spec file is read by gcc when linking. It is used to specify the
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# standard libraries we need in order to link with libgomp.
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-*link_gomp: @link_gomp@
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+*link_gomp: @link_gomp@ --whole-archive -lpthread --no-whole-archive
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--
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2.25.1
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