mirror of
https://sourceware.org/git/glibc.git
synced 2025-07-30 22:43:12 +03:00
Add sys/procfs.h.
This commit is contained in:
@ -29,8 +29,6 @@
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|||||||
void
|
void
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||||||
__longjmp (__jmp_buf env, int val)
|
__longjmp (__jmp_buf env, int val)
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||||||
{
|
{
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||||||
unsigned int result;
|
|
||||||
|
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||||||
/* Restore registers and jump back */
|
/* Restore registers and jump back */
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||||||
asm volatile("lr %%r2,%0\n\t" /* put val in grp 2 */
|
asm volatile("lr %%r2,%0\n\t" /* put val in grp 2 */
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||||||
"lm %%r6,%%r15,%1\n\t"
|
"lm %%r6,%%r15,%1\n\t"
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||||||
|
@ -15,9 +15,7 @@
|
|||||||
You should have received a copy of the GNU Library General Public
|
You should have received a copy of the GNU Library General Public
|
||||||
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
Boston, MA 02111-1307, USA.
|
Boston, MA 02111-1307, USA. */
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||||||
|
|
||||||
*/
|
|
||||||
|
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||||||
#ifndef _FENV_H
|
#ifndef _FENV_H
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||||||
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
|
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
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@ -62,11 +60,6 @@ enum
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|||||||
#define FE_TOWARDZERO FE_TOWARDZERO
|
#define FE_TOWARDZERO FE_TOWARDZERO
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||||||
};
|
};
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||||||
|
|
||||||
#define FPC_EXCEPTION_MASK_SHIFT 24
|
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#define FPC_FLAGS_SHIFT 16
|
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#define FPC_DXC_SHIFT 8
|
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#define FPC_NOT_FPU_EXCEPTION 0x300
|
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||||||
|
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|
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/* Type representing exception flags. */
|
/* Type representing exception flags. */
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typedef unsigned int fexcept_t; /* size of fpc */
|
typedef unsigned int fexcept_t; /* size of fpc */
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||||||
|
@ -17,7 +17,7 @@
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|||||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
Boston, MA 02111-1307, USA. */
|
Boston, MA 02111-1307, USA. */
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||||||
|
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#include <fenv.h>
|
#include <fenv_libc.h>
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#include <fpu_control.h>
|
#include <fpu_control.h>
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|
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int
|
int
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@ -28,12 +28,12 @@ feclearexcept (int excepts)
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/* Mask out unsupported bits/exceptions. */
|
/* Mask out unsupported bits/exceptions. */
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excepts &= FE_ALL_EXCEPT;
|
excepts &= FE_ALL_EXCEPT;
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|
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_FPU_GETCW(temp);
|
_FPU_GETCW (temp);
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/* Clear the relevant bits. */
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/* Clear the relevant bits. */
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temp &= ~((excepts<<FPC_DXC_SHIFT)|(excepts<<FPC_FLAGS_SHIFT));
|
temp &= ~((excepts << FPC_DXC_SHIFT)|(excepts << FPC_FLAGS_SHIFT));
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|
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||||||
/* Put the new data in effect. */
|
/* Put the new data in effect. */
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||||||
_FPU_SETCW(temp);
|
_FPU_SETCW (temp);
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|
|
||||||
/* Success. */
|
/* Success. */
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||||||
return 0;
|
return 0;
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||||||
|
43
sysdeps/s390/fpu/fegetenv.c
Normal file
43
sysdeps/s390/fpu/fegetenv.c
Normal file
@ -0,0 +1,43 @@
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|||||||
|
/* Store current floating-point environment.
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||||||
|
Copyright (C) 2000 Free Software Foundation, Inc.
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||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
|
||||||
|
|
||||||
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU Library General Public License as
|
||||||
|
published by the Free Software Foundation; either version 2 of the
|
||||||
|
License, or (at your option) any later version.
|
||||||
|
|
||||||
|
The GNU C Library 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
|
||||||
|
Library General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU Library General Public
|
||||||
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||||
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
|
#include <fenv_libc.h>
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|
#include <fpu_control.h>
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||||||
|
#include <stddef.h>
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||||||
|
#include <asm/ptrace.h>
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||||||
|
#include <sys/ptrace.h>
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||||||
|
#include <unistd.h>
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||||||
|
|
||||||
|
int
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||||||
|
fegetenv (fenv_t *envp)
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||||||
|
{
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||||||
|
/* The S/390 IEEE fpu doesn't keep track of the ieee instruction pointer.
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||||||
|
To get around that the kernel will store the address of the last
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||||||
|
fpu fault to the process structure. This ptrace call reads this value
|
||||||
|
from the kernel space. That means the ieee_instruction_pointer is
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||||||
|
only correct after a fpu fault. That's the best we can do, there is
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||||||
|
no way to find out the ieee instruction pointer if there was no fault. */
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|
_FPU_GETCW (envp->fpc);
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||||||
|
envp->ieee_instruction_pointer =
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||||||
|
ptrace (PTRACE_PEEKUSER, getpid (), PT_IEEE_IP);
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||||||
|
|
||||||
|
/* Success. */
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||||||
|
return 0;
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||||||
|
}
|
@ -1,8 +1,7 @@
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|||||||
/* Return current rounding direction.
|
/* Return current rounding direction.
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||||||
Copyright (C) 2000 Free Software Foundation, Inc.
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
||||||
This file is part of the GNU C Library.
|
This file is part of the GNU C Library.
|
||||||
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com)
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
|
||||||
|
|
||||||
|
|
||||||
The GNU C Library is free software; you can redistribute it and/or
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
modify it under the terms of the GNU Library General Public License as
|
modify it under the terms of the GNU Library General Public License as
|
||||||
@ -19,7 +18,7 @@
|
|||||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
Boston, MA 02111-1307, USA. */
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
#include <fenv.h>
|
#include <fenv_libc.h>
|
||||||
#include <fpu_control.h>
|
#include <fpu_control.h>
|
||||||
|
|
||||||
int
|
int
|
||||||
@ -27,9 +26,7 @@ fegetround (void)
|
|||||||
{
|
{
|
||||||
fexcept_t cw;
|
fexcept_t cw;
|
||||||
|
|
||||||
_FPU_GETCW(cw);
|
_FPU_GETCW (cw);
|
||||||
|
|
||||||
return cw & FPC_RM_MASK;
|
return cw & FPC_RM_MASK;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
34
sysdeps/s390/fpu/feholdexcpt.c
Normal file
34
sysdeps/s390/fpu/feholdexcpt.c
Normal file
@ -0,0 +1,34 @@
|
|||||||
|
/* Store current floating-point environment and clear exceptions.
|
||||||
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
|
||||||
|
|
||||||
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU Library General Public License as
|
||||||
|
published by the Free Software Foundation; either version 2 of the
|
||||||
|
License, or (at your option) any later version.
|
||||||
|
|
||||||
|
The GNU C Library 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
|
||||||
|
Library General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU Library General Public
|
||||||
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||||
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
|
#include <fenv_libc.h>
|
||||||
|
#include <fpu_control.h>
|
||||||
|
|
||||||
|
int feholdexcept (fenv_t *envp)
|
||||||
|
{
|
||||||
|
/* Store the environment. */
|
||||||
|
fegetenv (envp);
|
||||||
|
/* Clear the current sticky bits as more than one exception
|
||||||
|
may be generated. */
|
||||||
|
envp->fpc &= ~(FPC_FLAGS_MASK | FPC_DXC_MASK);
|
||||||
|
/* Hold from generating fpu exceptions temporarily. */
|
||||||
|
_FPU_SETCW ((envp->fpc & ~(FE_ALL_EXCEPT << FPC_EXCEPTION_MASK_SHIFT)));
|
||||||
|
return 0;
|
||||||
|
}
|
37
sysdeps/s390/fpu/fenv_libc.h
Normal file
37
sysdeps/s390/fpu/fenv_libc.h
Normal file
@ -0,0 +1,37 @@
|
|||||||
|
/* Copyright (C) 2000 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
|
||||||
|
|
||||||
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU Library General Public License as
|
||||||
|
published by the Free Software Foundation; either version 2 of the
|
||||||
|
License, or (at your option) any later version.
|
||||||
|
|
||||||
|
The GNU C Library 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
|
||||||
|
Library General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU Library General Public
|
||||||
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||||
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
|
#ifndef _FENV_LIBC_H
|
||||||
|
#define _FENV_LIBC_H 1
|
||||||
|
|
||||||
|
#include <fenv.h>
|
||||||
|
|
||||||
|
/* Definitions from asm/s390-regs-common.h that are needed in th glibc. */
|
||||||
|
|
||||||
|
#define FPC_DXC_MASK 0x0000FF00
|
||||||
|
#define FPC_EXCEPTION_MASK 0xF8000000
|
||||||
|
#define FPC_FLAGS_MASK 0x00F80000
|
||||||
|
#define FPC_RM_MASK 0x00000003
|
||||||
|
|
||||||
|
#define FPC_EXCEPTION_MASK_SHIFT 24
|
||||||
|
#define FPC_FLAGS_SHIFT 16
|
||||||
|
#define FPC_DXC_SHIFT 8
|
||||||
|
#define FPC_NOT_FPU_EXCEPTION 0x300
|
||||||
|
|
||||||
|
#endif /* _FENV_LIBC_H */
|
56
sysdeps/s390/fpu/fesetenv.c
Normal file
56
sysdeps/s390/fpu/fesetenv.c
Normal file
@ -0,0 +1,56 @@
|
|||||||
|
/* Install given floating-point environment.
|
||||||
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
|
||||||
|
|
||||||
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU Library General Public License as
|
||||||
|
published by the Free Software Foundation; either version 2 of the
|
||||||
|
License, or (at your option) any later version.
|
||||||
|
|
||||||
|
The GNU C Library 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
|
||||||
|
Library General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU Library General Public
|
||||||
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||||
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
|
#include <fenv_libc.h>
|
||||||
|
#include <fpu_control.h>
|
||||||
|
#include <stddef.h>
|
||||||
|
#include <asm/ptrace.h>
|
||||||
|
#include <sys/ptrace.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
|
||||||
|
int
|
||||||
|
fesetenv (const fenv_t *envp)
|
||||||
|
{
|
||||||
|
fenv_t env;
|
||||||
|
|
||||||
|
if (envp == FE_DFL_ENV)
|
||||||
|
{
|
||||||
|
env.fpc = _FPU_DEFAULT;
|
||||||
|
env.ieee_instruction_pointer = 0;
|
||||||
|
}
|
||||||
|
else if (envp == FE_NOMASK_ENV)
|
||||||
|
{
|
||||||
|
env.fpc = FPC_EXCEPTION_MASK;
|
||||||
|
env.ieee_instruction_pointer = 0;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
env = (*envp);
|
||||||
|
|
||||||
|
/* The S/390 IEEE fpu doesn't have a register for the ieee
|
||||||
|
instruction pointer. The operating system is required to keep an
|
||||||
|
instruction pointer on a per process base. We read and write this
|
||||||
|
value with the ptrace interface. */
|
||||||
|
_FPU_SETCW (env.fpc);
|
||||||
|
ptrace (PTRACE_POKEUSER, getpid (), PT_IEEE_IP,
|
||||||
|
env.ieee_instruction_pointer);
|
||||||
|
|
||||||
|
/* Success. */
|
||||||
|
return 0;
|
||||||
|
}
|
@ -1,7 +1,7 @@
|
|||||||
/* Set current rounding direction.
|
/* Set current rounding direction.
|
||||||
Copyright (C) 2000 Free Software Foundation, Inc.
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
||||||
This file is part of the GNU C Library.
|
This file is part of the GNU C Library.
|
||||||
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com)
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
|
||||||
|
|
||||||
The GNU C Library is free software; you can redistribute it and/or
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
modify it under the terms of the GNU Library General Public License as
|
modify it under the terms of the GNU Library General Public License as
|
||||||
@ -18,7 +18,7 @@
|
|||||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
Boston, MA 02111-1307, USA. */
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
#include <fenv.h>
|
#include <fenv_libc.h>
|
||||||
#include <fpu_control.h>
|
#include <fpu_control.h>
|
||||||
|
|
||||||
int
|
int
|
||||||
@ -32,6 +32,6 @@ fesetround (int round)
|
|||||||
__asm__ volatile ("srnm 0(%0)"
|
__asm__ volatile ("srnm 0(%0)"
|
||||||
:
|
:
|
||||||
: "a" (round));
|
: "a" (round));
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
40
sysdeps/s390/fpu/feupdateenv.c
Normal file
40
sysdeps/s390/fpu/feupdateenv.c
Normal file
@ -0,0 +1,40 @@
|
|||||||
|
/* Install given floating-point environment and raise exceptions.
|
||||||
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
|
||||||
|
|
||||||
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU Library General Public License as
|
||||||
|
published by the Free Software Foundation; either version 2 of the
|
||||||
|
License, or (at your option) any later version.
|
||||||
|
|
||||||
|
The GNU C Library 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
|
||||||
|
Library General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU Library General Public
|
||||||
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||||
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
|
|
||||||
|
#include <fenv_libc.h>
|
||||||
|
#include <fpu_control.h>
|
||||||
|
|
||||||
|
int
|
||||||
|
feupdateenv (const fenv_t *envp)
|
||||||
|
{
|
||||||
|
fexcept_t temp;
|
||||||
|
|
||||||
|
_FPU_GETCW (temp);
|
||||||
|
temp = (temp & FPC_FLAGS_MASK) >> FPC_FLAGS_SHIFT;
|
||||||
|
|
||||||
|
/* Raise the exceptions since the last call to feholdenv */
|
||||||
|
/* re install saved environment. */
|
||||||
|
fesetenv (envp);
|
||||||
|
feraiseexcept ((int) temp);
|
||||||
|
|
||||||
|
/* Success. */
|
||||||
|
return 0;
|
||||||
|
}
|
@ -1,7 +1,7 @@
|
|||||||
/* Store current representation for exceptions.
|
/* Store current representation for exceptions.
|
||||||
Copyright (C) 1997 Free Software Foundation, Inc.
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
||||||
This file is part of the GNU C Library.
|
This file is part of the GNU C Library.
|
||||||
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
|
||||||
|
|
||||||
The GNU C Library is free software; you can redistribute it and/or
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
modify it under the terms of the GNU Library General Public License as
|
modify it under the terms of the GNU Library General Public License as
|
||||||
@ -16,31 +16,21 @@
|
|||||||
You should have received a copy of the GNU Library General Public
|
You should have received a copy of the GNU Library General Public
|
||||||
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
Boston, MA 02111-1307, USA.
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
Contributed by:
|
#include <fenv_libc.h>
|
||||||
Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <fenv.h>
|
|
||||||
#include <fpu_control.h>
|
#include <fpu_control.h>
|
||||||
|
|
||||||
int fegetexceptflag (fexcept_t *flagp, int excepts)
|
int
|
||||||
|
fegetexceptflag (fexcept_t *flagp, int excepts)
|
||||||
{
|
{
|
||||||
fexcept_t temp,newexcepts;
|
fexcept_t temp, newexcepts;
|
||||||
|
|
||||||
/* Get the current exceptions. */
|
|
||||||
_FPU_GETCW(temp);
|
|
||||||
newexcepts=((excepts<<FPC_DXC_SHIFT)|(excepts<<FPC_FLAGS_SHIFT));
|
|
||||||
*flagp = temp & newexcepts;
|
|
||||||
|
|
||||||
/* Success. */
|
/* Get the current exceptions. */
|
||||||
return 0;
|
_FPU_GETCW (temp);
|
||||||
|
newexcepts = (excepts << FPC_DXC_SHIFT) | (excepts << FPC_FLAGS_SHIFT);
|
||||||
|
*flagp = temp & newexcepts;
|
||||||
|
|
||||||
|
/* Success. */
|
||||||
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
@ -1,8 +1,8 @@
|
|||||||
/* FPU control word definitions. Stub version.
|
/* FPU control word definitions. Stub version.
|
||||||
Copyright (C) 1999 Free Software Foundation, Inc.
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
||||||
Contributed by
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com) and
|
||||||
Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) and
|
|
||||||
Martin Schwidefsky (schwidefsky@de.ibm.com).
|
Martin Schwidefsky (schwidefsky@de.ibm.com).
|
||||||
|
|
||||||
This file is part of the GNU C Library.
|
This file is part of the GNU C Library.
|
||||||
The GNU C Library is free software; you can redistribute it and/or
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
modify it under the terms of the GNU Library General Public License as
|
modify it under the terms of the GNU Library General Public License as
|
||||||
@ -35,13 +35,10 @@
|
|||||||
typedef unsigned int fpu_control_t;
|
typedef unsigned int fpu_control_t;
|
||||||
|
|
||||||
/* Macros for accessing the hardware control word. */
|
/* Macros for accessing the hardware control word. */
|
||||||
#define _FPU_GETCW(cw) __asm__ volatile ("efpc %0,0" : "=d" (cw))
|
#define _FPU_GETCW(cw) __asm__ volatile ("efpc %0,0" : "=d" (cw))
|
||||||
#define _FPU_SETCW(cw) __asm__ volatile ("sfpc %0,0" : : "d" (cw))
|
#define _FPU_SETCW(cw) __asm__ volatile ("sfpc %0,0" : : "d" (cw))
|
||||||
|
|
||||||
/* Default control word set at startup. */
|
/* Default control word set at startup. */
|
||||||
extern fpu_control_t __fpu_control;
|
extern fpu_control_t __fpu_control;
|
||||||
|
|
||||||
#endif /* _FPU_CONTROL_H */
|
#endif /* _FPU_CONTROL_H */
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
71
sysdeps/s390/fpu/fraiseexcpt.c
Normal file
71
sysdeps/s390/fpu/fraiseexcpt.c
Normal file
@ -0,0 +1,71 @@
|
|||||||
|
/* Raise given exceptions.
|
||||||
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com) and
|
||||||
|
Martin Schwidefsky (schwidefsky@de.ibm.com).
|
||||||
|
|
||||||
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU Library General Public License as
|
||||||
|
published by the Free Software Foundation; either version 2 of the
|
||||||
|
License, or (at your option) any later version.
|
||||||
|
|
||||||
|
The GNU C Library 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
|
||||||
|
Library General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU Library General Public
|
||||||
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||||
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
|
#include <fenv_libc.h>
|
||||||
|
#include <math.h>
|
||||||
|
|
||||||
|
|
||||||
|
static __inline__ void
|
||||||
|
fexceptdiv (float d, float e)
|
||||||
|
{
|
||||||
|
__asm__ __volatile__ ("debr %0,%1" : : "f" (d), "f" (e) );
|
||||||
|
}
|
||||||
|
|
||||||
|
static __inline__ void
|
||||||
|
fexceptadd (float d, float e)
|
||||||
|
{
|
||||||
|
__asm__ __volatile__ ("aebr %0,%1" : : "f" (d), "f" (e) );
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int
|
||||||
|
feraiseexcept (int excepts)
|
||||||
|
{
|
||||||
|
/* Raise exceptions represented by EXPECTS. But we must raise only
|
||||||
|
one signal at a time. It is important that if the overflow/underflow
|
||||||
|
exception and the inexact exception are given at the same time,
|
||||||
|
the overflow/underflow exception follows the inexact exception. */
|
||||||
|
|
||||||
|
/* First: invalid exception. */
|
||||||
|
if (FE_INVALID & excepts)
|
||||||
|
fexceptdiv (0.0, 0.0);
|
||||||
|
|
||||||
|
/* Next: division by zero. */
|
||||||
|
if (FE_DIVBYZERO & excepts)
|
||||||
|
fexceptdiv (1.0, 0.0);
|
||||||
|
|
||||||
|
/* Next: overflow. */
|
||||||
|
if (FE_OVERFLOW & excepts)
|
||||||
|
/* I don't think we can do the same trick as intel so we will have
|
||||||
|
to live with inexact coming also. */
|
||||||
|
fexceptadd (FLT_MAX, 1.0e32);
|
||||||
|
|
||||||
|
/* Next: underflow. */
|
||||||
|
if (FE_UNDERFLOW & excepts)
|
||||||
|
fexceptdiv (FLT_MIN, 3.0);
|
||||||
|
|
||||||
|
/* Last: inexact. */
|
||||||
|
if (FE_INEXACT & excepts)
|
||||||
|
fexceptdiv (2.0, 3.0);
|
||||||
|
|
||||||
|
/* Success. */
|
||||||
|
return 0;
|
||||||
|
}
|
46
sysdeps/s390/fpu/fsetexcptflg.c
Normal file
46
sysdeps/s390/fpu/fsetexcptflg.c
Normal file
@ -0,0 +1,46 @@
|
|||||||
|
/* Set floating-point environment exception handling.
|
||||||
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
|
||||||
|
|
||||||
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU Library General Public License as
|
||||||
|
published by the Free Software Foundation; either version 2 of the
|
||||||
|
License, or (at your option) any later version.
|
||||||
|
|
||||||
|
The GNU C Library 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
|
||||||
|
Library General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU Library General Public
|
||||||
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||||
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
|
#include <fenv_libc.h>
|
||||||
|
#include <math.h>
|
||||||
|
#include <fpu_control.h>
|
||||||
|
|
||||||
|
int
|
||||||
|
fesetexceptflag (const fexcept_t *flagp, int excepts)
|
||||||
|
{
|
||||||
|
fexcept_t temp,newexcepts;
|
||||||
|
|
||||||
|
/* Get the current environment. We have to do this since we cannot
|
||||||
|
separately set the status word. */
|
||||||
|
_FPU_GETCW (temp);
|
||||||
|
/* Install the new exception bits in the Accrued Exception Byte. */
|
||||||
|
excepts = excepts & FE_ALL_EXCEPT;
|
||||||
|
newexcepts = (excepts << FPC_DXC_SHIFT) | (excepts << FPC_FLAGS_SHIFT);
|
||||||
|
temp &= ~newexcepts;
|
||||||
|
temp |= *flagp & newexcepts;
|
||||||
|
|
||||||
|
/* Store the new status word (along with the rest of the environment.
|
||||||
|
Possibly new exceptions are set but they won't get executed unless
|
||||||
|
the next floating-point instruction. */
|
||||||
|
_FPU_SETCW (temp);
|
||||||
|
|
||||||
|
/* Success. */
|
||||||
|
return 0;
|
||||||
|
}
|
1079
sysdeps/s390/fpu/libm-test-ulps
Normal file
1079
sysdeps/s390/fpu/libm-test-ulps
Normal file
File diff suppressed because it is too large
Load Diff
@ -17,7 +17,7 @@
|
|||||||
You should have received a copy of the GNU Library General Public
|
You should have received a copy of the GNU Library General Public
|
||||||
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
Boston, MA 02111-1307, USA.
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
#define BITS_PER_MP_LIMB 32
|
#define BITS_PER_MP_LIMB 32
|
||||||
#define BYTES_PER_MP_LIMB 4
|
#define BYTES_PER_MP_LIMB 4
|
||||||
|
149
sysdeps/s390/initfini.c
Normal file
149
sysdeps/s390/initfini.c
Normal file
@ -0,0 +1,149 @@
|
|||||||
|
/* Special .init and .fini section support for S/390.
|
||||||
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
|
||||||
|
The GNU C Library is free software; you can redistribute it
|
||||||
|
and/or modify it under the terms of the GNU Library General Public
|
||||||
|
License as published by the Free Software Foundation; either
|
||||||
|
version 2 of the License, or (at your option) any later version.
|
||||||
|
|
||||||
|
In addition to the permissions in the GNU Library General Public
|
||||||
|
License, the Free Software Foundation gives you unlimited
|
||||||
|
permission to link the compiled version of this file with other
|
||||||
|
programs, and to distribute those programs without any restriction
|
||||||
|
coming from the use of this file. (The Library General Public
|
||||||
|
License restrictions do apply in other respects; for example, they
|
||||||
|
cover modification of the file, and distribution when not linked
|
||||||
|
into another program.)
|
||||||
|
|
||||||
|
The GNU C Library 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 Library General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU Library General Public
|
||||||
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||||
|
write to the Free Software Foundation, 59 Temple Place - Suite 330,
|
||||||
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
|
/* This file is compiled into assembly code which is then munged by a sed
|
||||||
|
script into two files: crti.s and crtn.s.
|
||||||
|
|
||||||
|
* crti.s puts a function prologue at the beginning of the
|
||||||
|
.init and .fini sections and defines global symbols for
|
||||||
|
those addresses, so they can be called as functions.
|
||||||
|
|
||||||
|
* crtn.s puts the corresponding function epilogues
|
||||||
|
in the .init and .fini sections. */
|
||||||
|
|
||||||
|
__asm__ ("
|
||||||
|
|
||||||
|
#include \"defs.h\"
|
||||||
|
|
||||||
|
/*@HEADER_ENDS*/
|
||||||
|
|
||||||
|
/*@TESTS_BEGIN*/
|
||||||
|
|
||||||
|
/*@TESTS_END*/
|
||||||
|
|
||||||
|
/*@_init_PROLOG_BEGINS*/
|
||||||
|
|
||||||
|
.section .init
|
||||||
|
#NO_APP
|
||||||
|
.align 4
|
||||||
|
.globl _init
|
||||||
|
.type _init,@function
|
||||||
|
_init:
|
||||||
|
# leaf function 0
|
||||||
|
# automatics 0
|
||||||
|
# outgoing args 0
|
||||||
|
# need frame pointer 0
|
||||||
|
# call alloca 0
|
||||||
|
# has varargs 0
|
||||||
|
# incoming args (stack) 0
|
||||||
|
# function length 36
|
||||||
|
STM 6,15,24(15)
|
||||||
|
BRAS 13,.LTN1_0
|
||||||
|
.LT1_0:
|
||||||
|
.LC14:
|
||||||
|
.long __gmon_start__@GOT
|
||||||
|
.LC15:
|
||||||
|
.long _GLOBAL_OFFSET_TABLE_-.LT1_0
|
||||||
|
.LTN1_0:
|
||||||
|
LR 1,15
|
||||||
|
AHI 15,-96
|
||||||
|
ST 1,0(15)
|
||||||
|
L 12,.LC15-.LT1_0(13)
|
||||||
|
AR 12,13
|
||||||
|
L 1,.LC14-.LT1_0(13)
|
||||||
|
L 1,0(1,12)
|
||||||
|
LTR 1,1
|
||||||
|
JE .L22
|
||||||
|
BASR 14,1
|
||||||
|
.L22:
|
||||||
|
#APP
|
||||||
|
ALIGN
|
||||||
|
END_INIT
|
||||||
|
|
||||||
|
/*@_init_PROLOG_ENDS*/
|
||||||
|
|
||||||
|
/*@_init_EPILOG_BEGINS*/
|
||||||
|
.align 4
|
||||||
|
.section .init
|
||||||
|
#NO_APP
|
||||||
|
.align 4
|
||||||
|
L 4,152(15)
|
||||||
|
LM 6,15,120(15)
|
||||||
|
BR 4
|
||||||
|
#APP
|
||||||
|
END_INIT
|
||||||
|
|
||||||
|
/*@_init_EPILOG_ENDS*/
|
||||||
|
|
||||||
|
/*@_fini_PROLOG_BEGINS*/
|
||||||
|
.section .fini
|
||||||
|
#NO_APP
|
||||||
|
.align 4
|
||||||
|
.globl _fini
|
||||||
|
.type _fini,@function
|
||||||
|
_fini:
|
||||||
|
# leaf function 0
|
||||||
|
# automatics 0
|
||||||
|
# outgoing args 0
|
||||||
|
# need frame pointer 0
|
||||||
|
# call alloca 0
|
||||||
|
# has varargs 0
|
||||||
|
# incoming args (stack) 0
|
||||||
|
# function length 30
|
||||||
|
STM 6,15,24(15)
|
||||||
|
BRAS 13,.LTN2_0
|
||||||
|
.LT2_0:
|
||||||
|
.LC17:
|
||||||
|
.long _GLOBAL_OFFSET_TABLE_-.LT2_0
|
||||||
|
.LTN2_0:
|
||||||
|
LR 1,15
|
||||||
|
AHI 15,-96
|
||||||
|
ST 1,0(15)
|
||||||
|
L 12,.LC17-.LT2_0(13)
|
||||||
|
AR 12,13
|
||||||
|
#APP
|
||||||
|
ALIGN
|
||||||
|
END_FINI
|
||||||
|
|
||||||
|
/*@_fini_PROLOG_ENDS*/
|
||||||
|
|
||||||
|
/*@_fini_EPILOG_BEGINS*/
|
||||||
|
.align 4
|
||||||
|
.section .fini
|
||||||
|
#NO_APP
|
||||||
|
.align 4
|
||||||
|
L 4,152(15)
|
||||||
|
LM 6,15,120(15)
|
||||||
|
BR 4
|
||||||
|
#APP
|
||||||
|
END_FINI
|
||||||
|
|
||||||
|
/*@_fini_EPILOG_ENDS*/
|
||||||
|
|
||||||
|
/*@TRAILER_BEGINS*/
|
||||||
|
");
|
@ -4,4 +4,5 @@ setresgid.c
|
|||||||
setfsuid.c
|
setfsuid.c
|
||||||
setfsgid.c
|
setfsgid.c
|
||||||
sys/elf.h
|
sys/elf.h
|
||||||
|
sys/procfs.h
|
||||||
sys/user.h
|
sys/user.h
|
||||||
|
Reference in New Issue
Block a user