sjlj.S: New file.

2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/sjlj.S: New file.
	* config/s390/target.h: New file.
	* configure.tgt: Set options for S/390.

From-SVN: r198190
This commit is contained in:
Andreas Krebbel 2013-04-23 11:33:50 +00:00 committed by Andreas Krebbel
parent 5af46aa9c5
commit aaec3fc814
4 changed files with 173 additions and 0 deletions

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@ -1,3 +1,9 @@
2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config/s390/sjlj.S: New file.
* config/s390/target.h: New file.
* configure.tgt: Set options for S/390.
2013-04-23 Andreas Schwab <schwab@linux-m68k.org>
* coretypes.h (gimple_stmt_iterator): Add struct to make

108
libitm/config/s390/sjlj.S Normal file
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@ -0,0 +1,108 @@
/* Copyright (C) 2013 Free Software Foundation, Inc.
Contributed by Andreas Krebbel <krebbel@linux.vnet.ibm.com>
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 4
.globl _ITM_beginTransaction
.type _ITM_beginTransaction, @function
/* _ITM_beginTransaction (int props); props -> r2 */
_ITM_beginTransaction:
cfi_startproc
#ifdef __s390x__
lgr %r3,%r15 /* backup stack pointer */
aghi %r15,-304 /* jump buffer (144) + reg save area (160) */
cfi_adjust_cfa_offset(304)
stmg %r6,%r14,160(%r15)
stg %r3,72+160(%r15) /* store the old stack pointer */
std %f8,80+160(%r15)
std %f9,88+160(%r15)
std %f10,96+160(%r15)
std %f11,104+160(%r15)
std %f12,112+160(%r15)
std %f13,120+160(%r15)
std %f14,128+160(%r15)
std %f15,136+160(%r15)
la %r3,160(%r15) /* second argument to GTM_begin_transaction */
brasl %r14,GTM_begin_transaction
lg %r1,64+160(%r15)
aghi %r15,304
cfi_adjust_cfa_offset(-304)
br %r1
#else
lr %r3,%r15 /* backup stack pointer */
ahi %r15,-152 /* jump buffer (56) + reg save area (96) */
cfi_adjust_cfa_offset(152)
stm %r6,%r14,96(%r15)
st %r3,36+96(%r15) /* store the old stack pointer */
std %f4,40+96(%r15)
std %f6,48+96(%r15)
la %r3,96(%r15) /* second argument to GTM_begin_transaction */
/* begin_transaction (uint32_t prop, const gtm_jmpbuf *jb) */
brasl %r14,GTM_begin_transaction /* requires mzarch */
l %r1,32+96(%r15)
ahi %r15,152
cfi_adjust_cfa_offset(-152)
br %r1
#endif
cfi_endproc
.size _ITM_beginTransaction, .-_ITM_beginTransaction
.align 4
.globl GTM_longjmp
.type GTM_longjmp, @function
.hidden GTM_longjmp
/* uint32_t GTM_longjmp (uint32_t, const gtm_jmpbuf *, uint32_t) */
GTM_longjmp:
/* First parameter becomes the return value of
_ITM_beginTransaction (r2).
Third parameter is ignored for now. */
cfi_startproc
#ifdef __s390x__
ld %f8,80(%r3)
ld %f9,88(%r3)
ld %f10,96(%r3)
ld %f11,104(%r3)
ld %f12,112(%r3)
ld %f13,120(%r3)
ld %f14,128(%r3)
ld %f15,136(%r3)
lmg %r6,%r15,0(%r3)
br %r14
#else
ld %f4,40(%r3)
ld %f6,48(%r3)
lm %r6,%r15,0(%r3)
br %r14
#endif
cfi_endproc
.size GTM_longjmp, .-GTM_longjmp
.section .note.GNU-stack, "", @progbits

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/* Copyright (C) 2013 Free Software Foundation, Inc.
Contributed by Andreas Krebbel <krebbel@linux.vnet.ibm.com>.
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 {
#define HW_CACHELINE_SIZE 256
typedef struct gtm_jmpbuf
{
/* We save registers r6-r14. */
long int __gregs[9];
/* r15 is stored into cfa field. It needs to be named that way
since tls.h is accessing the field by name. Be aware that this
is not actually what we consider the CFA on s390 (since there is
a fix offset between sp and CFA). It is merely the saved stack
pointer. */
void *cfa;
#ifdef __s390x__
/* We save fpu registers f8 - f15. */
long __fpregs[8];
#else
/* We save fpu registers f4 and f6. */
long __fpregs[4];
#endif
} gtm_jmpbuf;
static inline void
cpu_relax (void)
{
__asm volatile ("" : : : "memory");
}
} // namespace GTM

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@ -105,6 +105,10 @@ case "${target_cpu}" in
XCFLAGS="${XCFLAGS} -mrtm"
ARCH=x86
;;
s390|s390x)
ARCH=s390
XCFLAGS="${XCFLAGS} -mzarch"
;;
*)
ARCH="${target_cpu}"