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configure.tgt: Add sh* case.

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* configure.tgt: Add sh* case.
	* config/sh/target.h: New file.
	* config/sh/sjlj.S: New file.
	* config/linux/sh/futex_bits.h: New file.

From-SVN: r182429
This commit is contained in:
Kaz Kojima 2011-12-17 03:19:40 +00:00
parent 9199539aef
commit cc16324749
5 changed files with 232 additions and 0 deletions
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7
libitm/ChangeLog
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@ -1,3 +1,10 @@
2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
* configure.tgt: Add sh* case.
* config/sh/target.h: New file.
* config/sh/sjlj.S: New file.
* config/linux/sh/futex_bits.h: New file.
2011-12-14 Richard Henderson <rth@redhat.com>
* config/arm/hwcap.h, config/arm/hwcap.cc: New files.

50
libitm/config/linux/sh/futex_bits.h Normal file
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/* Copyright (C) 2011 Free Software Foundation, Inc.
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
<http://www.gnu.org/licenses/>. */
/* Provide target-specific access to the futex system call. */
#include <sys/syscall.h>
/* 4 instruction cycles not accessing cache and TLB are needed after
trapa instruction to avoid an SH-4 silicon bug. */
#define SYSCALL_WITH_INST_PAD "\
trapa #0x14; or r0,r0; or r0,r0; or r0,r0; or r0,r0; or r0,r0"
static inline long
sys_futex0 (int *addr, long op, long val)
{
int __status;
register long __r3 asm ("r3") = SYS_futex;
register long __r4 asm ("r4") = (long) addr;
register long __r5 asm ("r5") = op;
register long __r6 asm ("r6") = val;
register long __r7 asm ("r7") = 0;
__asm __volatile (SYSCALL_WITH_INST_PAD
: "=z" (__status)
: "r" (__r3), "r" (__r4), "r" (__r5),
"r" (__r6), "r" (__r7)
: "memory", "t");
return __status;
}

122
libitm/config/sh/sjlj.S Normal file
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/* Copyright (C) 2011 Free Software Foundation, Inc.
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
<http://www.gnu.org/licenses/>. */
#include "asmcfi.h"
.text
.align 2
.global _ITM_beginTransaction
.type _ITM_beginTransaction, %function
_ITM_beginTransaction:
cfi_startproc
mov r15, r1
#ifdef __SH_FPU_ANY__
fmov.s fr15, @-r15
fmov.s fr14, @-r15
fmov.s fr13, @-r15
fmov.s fr12, @-r15
sts.l fpscr, @-r15
#endif /* __SH_FPU_ANY__ */
stc.l gbr, @-r15
sts.l pr, @-r15
mov.l r1, @-r15
mov.l r14, @-r15
mov.l r13, @-r15
mov.l r12, @-r15
mov.l r11, @-r15
mov.l r10, @-r15
mov.l r9, @-r15
mov.l r8, @-r15
#ifdef __SH_FPU_ANY__
cfi_def_cfa_offset (4*15)
#else
cfi_def_cfa_offset (4*10)
#endif
#if defined HAVE_ATTRIBUTE_VISIBILITY || !defined __PIC__
mov.l .Lbegin, r1
jsr @r1
mov r15, r5
#else
mova .Lgot, r0
mov.l .Lgot, r12
add r0, r12
mov.l .Lbegin, r1
bsrf r1
mov r15, r5
.Lbegin0:
mov.l @(4*4,r15), r12
#endif
mov.l @(8*4,r15), r1
lds r1, pr
#ifdef __SH_FPU_ANY__
add #(15*4), r15
#else
add #(10*5), r15
#endif
cfi_def_cfa_offset (0)
rts
nop
cfi_endproc
.align 2
.Lgot:
.long _GLOBAL_OFFSET_TABLE_
.Lbegin:
#if defined HAVE_ATTRIBUTE_VISIBILITY || !defined __PIC__
.long GTM_begin_transaction
#else
.long GTM_begin_transaction@PLT-(.Lbegin0-.)
#endif
.size _ITM_beginTransaction, . - _ITM_beginTransaction
.global GTM_longjmp
.hidden GTM_longjmp
.type GTM_longjmp, %function
GTM_longjmp:
mov.l @r5+, r8
mov.l @r5+, r9
mov.l @r5+, r10
mov.l @r5+, r11
mov.l @r5+, r12
mov.l @r5+, r13
mov.l @r5+, r14
mov.l @r5+, r15
lds.l @r5+, pr
ldc.l @r5+, gbr
#ifdef __SH_FPU_ANY__
lds.l @r5+, fpscr
fmov.s @r5+, fr12
fmov.s @r5+, fr13
fmov.s @r5+, fr14
fmov.s @r5+, fr15
#endif
rts
mov r4, r0
.size GTM_longjmp, . - GTM_longjmp
#ifdef __linux__
.section .note.GNU-stack, "", %progbits
#endif

51
libitm/config/sh/target.h Normal file
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@ -0,0 +1,51 @@
/* Copyright (C) 2011 Free Software Foundation, Inc.
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
<http://www.gnu.org/licenses/>. */
namespace GTM HIDDEN {
typedef struct gtm_jmpbuf
{
unsigned long s[7]; /* r8-r14 */
void *cfa;
unsigned long pc;
unsigned long gbr;
#ifdef __SH_FPU_ANY__
unsigned long fpscr;
unsigned long f[4]; /* fr12-fr15 */
#endif
} gtm_jmpbuf;
/* SH generally uses a fixed page size of 4K. */
#define PAGE_SIZE 4096
#define FIXED_PAGE_SIZE 1
/* ??? The size of one line in hardware caches (in bytes). */
#define HW_CACHELINE_SIZE 32
static inline void
cpu_relax (void)
{
__asm volatile ("" : : : "memory");
}
} // namespace GTM

2
libitm/configure.tgt
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@ -63,6 +63,8 @@ case "${target_cpu}" in
ARCH=x86
;;
sh*) ARCH=sh ;;
x86_64)
case " ${CC} ${CFLAGS} " in
*" -m32 "*)