From c506f4995a68274efbd31ede3751b14dc0fa0718 Mon Sep 17 00:00:00 2001 From: swcompiler Date: Mon, 25 Nov 2024 16:53:43 +0800 Subject: [PATCH 11/16] Sw64 Port: libitm --- libitm/config/linux/sw_64/futex_bits.h | 56 +++++++++++++ libitm/config/sw_64/sjlj.S | 112 +++++++++++++++++++++++++ libitm/config/sw_64/target.h | 44 ++++++++++ libitm/configure.tgt | 1 + 4 files changed, 213 insertions(+) create mode 100644 libitm/config/linux/sw_64/futex_bits.h create mode 100644 libitm/config/sw_64/sjlj.S create mode 100644 libitm/config/sw_64/target.h diff --git a/libitm/config/linux/sw_64/futex_bits.h b/libitm/config/linux/sw_64/futex_bits.h new file mode 100644 index 000000000..478a3078a --- /dev/null +++ b/libitm/config/linux/sw_64/futex_bits.h @@ -0,0 +1,56 @@ +/* Copyright (C) 2008-2022 Free Software Foundation, Inc. + Contributed by Richard Henderson . + + This file is part of the GNU Transactional Memory Library (libitm). + + Libitm 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 of the License, or + (at your option) any later version. + + Libitm 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 + . */ + +/* Provide target-specific access to the futex system call. */ + +#ifndef SYS_futex +#define SYS_futex 394 +#endif + +static inline long +sys_futex0 (std::atomic *addr, int op, int val) +{ + register long sc_0 __asm__("$0"); + register long sc_16 __asm__("$16"); + register long sc_17 __asm__("$17"); + register long sc_18 __asm__("$18"); + register long sc_19 __asm__("$19"); + long res; + + sc_0 = SYS_futex; + sc_16 = (long) addr; + sc_17 = op; + sc_18 = val; + sc_19 = 0; + __asm volatile("callsys" + : "=r"(sc_0), "=r"(sc_19) + : "0"(sc_0), "r"(sc_16), "r"(sc_17), "r"(sc_18), "1"(sc_19) + : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$22", "$23", + "$24", "$25", "$27", "$28", "memory"); + + res = sc_0; + if (__builtin_expect (sc_19, 0)) + res = -res; + return res; +} diff --git a/libitm/config/sw_64/sjlj.S b/libitm/config/sw_64/sjlj.S new file mode 100644 index 000000000..c4b74d76b --- /dev/null +++ b/libitm/config/sw_64/sjlj.S @@ -0,0 +1,112 @@ +/* Copyright (C) 2009-2022 Free Software Foundation, Inc. + Contributed by Richard Henderson . + + This file is part of the GNU Transactional Memory Library (libitm). + + Libitm 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 of the License, or + (at your option) any later version. + + Libitm 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 + . */ + + .text + .align 4 + .globl _ITM_beginTransaction + .ent _ITM_beginTransaction + +#define FRAME 144 + +_ITM_beginTransaction: + ldgp $29, 0($27) + subl $30, FRAME, $30 + .frame $30, FRAME, $26, 0 + .mask 0x04000000, 0 + stl $26, 0($30) + .prologue 1 + + stl $9, 8($30) + stl $10, 16($30) + addl $30, FRAME, $0 + stl $11, 24($30) + + stl $12, 32($30) + stl $13, 40($30) + stl $14, 48($30) + stl $15, 56($30) + + stl $0, 64($30) + fstd $f2, 72($30) + fstd $f3, 80($30) + fstd $f4, 88($30) + + fstd $f5, 96($30) + fstd $f6, 104($30) + fstd $f7, 112($30) + fstd $f8, 120($30) + + fstd $f9, 128($30) + mov $30, $17 +#ifdef __PIC__ + unop + bsr $26, GTM_begin_transaction !samegp +#else + call $26, GTM_begin_transaction + ldgp $29, 0($26) +#endif + + ldl $26, 0($30) + addl $30, FRAME, $30 + ret +.end _ITM_beginTransaction + + .align 4 + .globl GTM_longjmp +#ifdef __ELF__ + .hidden GTM_longjmp +#endif + .ent GTM_longjmp + +GTM_longjmp: + .prologue 0 + ldl $26, 0($17) + ldl $9, 8($17) + ldl $10, 16($17) + ldl $11, 24($17) + + ldl $12, 32($17) + ldl $13, 40($17) + ldl $14, 48($17) + ldl $15, 56($17) + + ldl $1, 64($17) + fldd $f2, 72($17) + fldd $f3, 80($17) + fldd $f4, 88($17) + + fldd $f5, 96($17) + fldd $f6, 104($17) + fldd $f7, 112($17) + fldd $f8, 120($17) + + fldd $f9, 128($17) + mov $16, $0 + mov $1, $30 + ret +.end GTM_longjmp + +#ifdef __linux__ +.section .note.GNU-stack, "", @progbits +#endif diff --git a/libitm/config/sw_64/target.h b/libitm/config/sw_64/target.h new file mode 100644 index 000000000..7c3f1e3bd --- /dev/null +++ b/libitm/config/sw_64/target.h @@ -0,0 +1,44 @@ +/* Copyright (C) 2009-2022 Free Software Foundation, Inc. + Contributed by Richard Henderson . + + This file is part of the GNU Transactional Memory Library (libitm). + + Libitm is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + Libitm is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + . */ + +namespace GTM HIDDEN { + +typedef struct gtm_jmpbuf +{ + unsigned long pc; + unsigned long s[7]; + void *cfa; + unsigned long f[8]; +} gtm_jmpbuf; + +/* The size of one line in hardware caches (in bytes). */ +#define HW_CACHELINE_SIZE 64 + +static inline void +cpu_relax (void) +{ + __asm volatile ("" : : : "memory"); +} + +} // namespace HIDDEN diff --git a/libitm/configure.tgt b/libitm/configure.tgt index 06e90973e..d831da5b0 100644 --- a/libitm/configure.tgt +++ b/libitm/configure.tgt @@ -118,6 +118,7 @@ EOF *) ARCH="${target_cpu}" ;; + sw_64*) ARCH=sw_64 ;; esac # For the benefit of top-level configure, determine if the cpu is supported. -- 2.25.1