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Add ARM EABI port.

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This commit is contained in:
Daniel Jacobowitz 2005-10-10 15:29:32 +00:00
parent 4ce0c8e4c8
commit f10eff5832
66 changed files with 3474 additions and 22 deletions
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59
ChangeLog.arm
View file

@ -1,3 +1,62 @@
2005-10-10 Daniel Jacobowitz <dan@codesourcery.com>
* sysdeps/arm/dl-machine.h (_dl_start_user): Preserve eight-byte
stack alignment.
* sysdeps/arm/elf/start.S (_start): Add unwind markers for EABI
targets.
* sysdeps/arm/preconfigure: Set machine for EABI targets. Remove
obsolete Thumb support.
* sysdeps/arm/shlib-versions: Add EABI support.
* sysdeps/unix/sysv/linux/arm/mmap64.S (__mmap64): Allow for padding
in the argument list for EABI targets.
* sysdeps/arm/fpu/feholdexcpt.c, sysdeps/arm/fpu/fesetround.c: Add
libm_hidden_def.
* sysdeps/arm/dl-sysdep.h, sysdeps/arm/eabi/Makefile,
sysdeps/arm/eabi/Versions, sysdeps/arm/eabi/__longjmp.S,
sysdeps/arm/eabi/aeabi_assert.c, sysdeps/arm/eabi/aeabi_atexit.c,
sysdeps/arm/eabi/aeabi_errno_addr.c, sysdeps/arm/eabi/aeabi_lcsts.c,
sysdeps/arm/eabi/aeabi_localeconv.c, sysdeps/arm/eabi/aeabi_math.c,
sysdeps/arm/eabi/aeabi_mb_cur_max.c, sysdeps/arm/eabi/aeabi_memclr.c,
sysdeps/arm/eabi/aeabi_memcpy.c, sysdeps/arm/eabi/aeabi_memmove.c
sysdeps/arm/eabi/aeabi_memset.c, sysdeps/arm/eabi/aeabi_sighandlers.S,
sysdeps/arm/eabi/aeabi_unwind_cpp_pr1.c, sysdeps/arm/eabi/bits/fenv.h,
sysdeps/arm/eabi/bits/huge_val.h, sysdeps/arm/eabi/bits/setjmp.h,
sysdeps/arm/eabi/fclrexcpt.c, sysdeps/arm/eabi/fedisblxcpt.c,
sysdeps/arm/eabi/feenablxcpt.c, sysdeps/arm/eabi/fegetenv.c,
sysdeps/arm/eabi/fegetexcept.c, sysdeps/arm/eabi/fegetround.c,
sysdeps/arm/eabi/feholdexcpt.c, sysdeps/arm/eabi/fesetenv.c,
sysdeps/arm/eabi/fesetround.c, sysdeps/arm/eabi/find_exidx.c,
sysdeps/arm/eabi/fpu_control.h, sysdeps/arm/eabi/fraiseexcpt.c,
sysdeps/arm/eabi/fsetexcptflg.c, sysdeps/arm/eabi/ftestexcept.c,
sysdeps/arm/eabi/setjmp.S, sysdeps/unix/sysv/linux/arm/eabi/configure,
sysdeps/arm/eabi/rtld-global-offsets.sym, sysdeps/arm/eabi/setfpucw.c,
sysdeps/unix/sysv/linux/arm/eabi/configure.in,
sysdeps/unix/sysv/linux/arm/eabi/epoll_ctl.c,
sysdeps/unix/sysv/linux/arm/eabi/epoll_wait.c,
sysdeps/unix/sysv/linux/arm/eabi/fcntl.c,
sysdeps/unix/sysv/linux/arm/eabi/fstatfs64.c,
sysdeps/unix/sysv/linux/arm/eabi/fxstat64.c,
sysdeps/unix/sysv/linux/arm/eabi/kernel_epoll.h,
sysdeps/unix/sysv/linux/arm/eabi/kernel_stat.h,
sysdeps/unix/sysv/linux/arm/eabi/lockf64.c,
sysdeps/unix/sysv/linux/arm/eabi/lxstat64.c,
sysdeps/unix/sysv/linux/arm/eabi/oldgetrlimit.c,
sysdeps/unix/sysv/linux/arm/eabi/oldsetrlimit.c,
sysdeps/unix/sysv/linux/arm/eabi/semop.c,
sysdeps/unix/sysv/linux/arm/eabi/semtimedop.c,
sysdeps/unix/sysv/linux/arm/eabi/statfs64.c,
sysdeps/unix/sysv/linux/arm/eabi/syscalls.list,
sysdeps/unix/sysv/linux/arm/eabi/uname.c,
sysdeps/unix/sysv/linux/arm/eabi/xstat64.c,
sysdeps/unix/sysv/linux/arm/eabi/xstatconv.c,
sysdeps/unix/sysv/linux/arm/eabi/xstatconv.h: New files.
2005-10-10 Daniel Jacobowitz <dan@codesourcery.com>
* sysdeps/arm/memset.S (memset): Correct handling of negative

48
sysdeps/arm/dl-machine.h
View file

@ -157,22 +157,19 @@ _dl_start_user:\n\
add sl, pc, sl\n\
.L_GOT_GOT:\n\
ldr r4, [sl, r4]\n\
@ get the original arg count\n\
ldr r1, [sp]\n\
@ save the entry point in another register\n\
mov r6, r0\n\
@ adjust the stack pointer to skip the extra args\n\
add sp, sp, r4, lsl #2\n\
@ subtract _dl_skip_args from original arg count\n\
sub r1, r1, r4\n\
@ get the original arg count\n\
ldr r1, [sp]\n\
@ get the argv address\n\
add r2, sp, #4\n\
@ store the new argc in the new stack location\n\
str r1, [sp]\n\
@ Fix up the stack if necessary.\n\
cmp r4, #0\n\
bne .L_fixup_stack\n\
.L_done_fixup:\n\
@ compute envp\n\
add r3, r2, r1, lsl #2\n\
add r3, r3, #4\n\
\n\
@ now we call _dl_init\n\
ldr r0, .L_LOADED\n\
ldr r0, [sl, r0]\n\
@ -183,12 +180,45 @@ _dl_start_user:\n\
add r0, sl, r0\n\
@ jump to the user_s entry point\n\
" BX(r6) "\n\
\n\
@ iWMMXt and EABI targets require the stack to be eight byte\n\
@ aligned - shuffle arguments etc.\n\
.L_fixup_stack:\n\
@ subtract _dl_skip_args from original arg count\n\
sub r1, r1, r4\n\
@ store the new argc in the new stack location\n\
str r1, [sp]\n\
@ find the first unskipped argument\n\
mov r3, r2\n\
add r4, r2, r4, lsl #2\n\
@ shuffle argv down\n\
1: ldr r5, [r4], #4\n\
str r5, [r3], #4\n\
cmp r5, #0\n\
bne 1b\n\
@ shuffle envp down\n\
1: ldr r5, [r4], #4\n\
str r5, [r3], #4\n\
cmp r5, #0\n\
bne 1b\n\
@ shuffle auxv down\n\
1: ldmia r4!, {r0, r5}\n\
stmia r3!, {r0, r5}\n\
cmp r0, #0\n\
bne 1b\n\
@ Update _dl_argv\n\
ldr r3, .L_ARGV\n\
str r2, [sl, r3]\n\
b .L_done_fixup\n\
\n\
.L_GET_GOT:\n\
.word _GLOBAL_OFFSET_TABLE_ - .L_GOT_GOT - 4\n\
.L_SKIP_ARGS:\n\
.word _dl_skip_args(GOTOFF)\n\
.L_FINI_PROC:\n\
.word _dl_fini(GOTOFF)\n\
.L_ARGV:\n\
.word _dl_argv(GOTOFF)\n\
.L_LOADED:\n\
.word _rtld_local(GOTOFF)\n\
.previous\n\

24
sysdeps/arm/dl-sysdep.h Normal file
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@ -0,0 +1,24 @@
/* System-specific settings for dynamic linker code. Alpha version.
Copyright (C) 2002, 2003, 2004, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include_next <dl-sysdep.h>
/* _dl_argv cannot be attribute_relro, because _dl_start_user
might write into it after _dl_start returns. */
#define DL_ARGV_NOT_RELRO 1

22
sysdeps/arm/eabi/Makefile Normal file
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@ -0,0 +1,22 @@
ifeq ($(subdir),csu)
aeabi_constants = aeabi_lcsts aeabi_sighandlers aeabi_math
aeabi_routines = aeabi_assert aeabi_localeconv aeabi_errno_addr \
aeabi_mb_cur_max aeabi_atexit aeabi_memclr aeabi_memcpy \
aeabi_memmove aeabi_memset
sysdep_routines += $(aeabi_constants) $(aeabi_routines)
static-only-routines += $(aeabi_constants) $(aeabi_routines)
# get offset to rtld_global._dl_hwcap
gen-as-const-headers += rtld-global-offsets.sym
endif
ifeq ($(subdir),elf)
sysdep_routines += aeabi_unwind_cpp_pr1 find_exidx
shared-only-routines += aeabi_unwind_cpp_pr1
sysdep-rtld-routines += aeabi_unwind_cpp_pr1
endif
ifeq ($(subdir),math)
$(objpfx)libm.so: $(elfobjdir)/ld.so
endif

6
sysdeps/arm/eabi/Versions Normal file
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@ -0,0 +1,6 @@
libc {
GLIBC_2.4 {
# Helper routines
__gnu_Unwind_Find_exidx;
}
}

85
sysdeps/arm/eabi/__longjmp.S Normal file
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@ -0,0 +1,85 @@
/* longjmp for ARM.
Copyright (C) 1997, 1998, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <sysdep.h>
#define _SETJMP_H
#define _ASM
#include <bits/setjmp.h>
#define __ASSEMBLY__
#include <asm/procinfo.h>
#include <rtld-global-offsets.h>
/* __longjmp(jmpbuf, val) */
ENTRY (__longjmp)
mov ip, r0
movs r0, r1 /* get the return value in place */
moveq r0, #1 /* can't let setjmp() return zero! */
LOADREGS(ia, ip!, {v1-v6, sl, fp, sp, lr})
#ifdef IS_IN_rtld
ldr a2, 1f
ldr a3, Lrtld_local_ro
0: add a2, pc, a2
add a2, a2, a3
ldr a2, [a2, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET]
#else
#ifdef PIC
ldr a2, 1f
ldr a3, Lrtld_global_ro
0: add a2, pc, a2
ldr a2, [a2, a3]
ldr a2, [a2, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET]
#else
ldr a2, Lhwcap
ldr a2, [a2, #0]
#endif
#endif
tst a2, #HWCAP_VFP
beq Lno_vfp
/* Restore the VFP registers. */
/* Following instruction is fldmiax ip!, {d8-d15}. */
ldc p11, cr8, [r12], #68
/* Restore the floating-point status register. */
ldr r1, [ip], #4
/* Following instruction is fmxr fpscr, r1. */
mcr p10, 7, r1, cr1, cr0, 0
Lno_vfp:
DO_RET(lr)
#ifdef IS_IN_rtld
1: .long _GLOBAL_OFFSET_TABLE_ - 0b - 8
Lrtld_local_ro:
.long C_SYMBOL_NAME(_rtld_local_ro)(GOTOFF)
#else
#ifdef PIC
1: .long _GLOBAL_OFFSET_TABLE_ - 0b - 8
Lrtld_global_ro:
.long C_SYMBOL_NAME(_rtld_global_ro)(GOT)
#else
Lhwcap:
.long C_SYMBOL_NAME(_dl_hwcap)
#endif
#endif
END (__longjmp)

27
sysdeps/arm/eabi/aeabi_assert.c Normal file
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@ -0,0 +1,27 @@
/* Copyright (C) 2004 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <assert.h>
#include <stdlib.h>
void attribute_hidden
__aeabi_assert (const char *assertion, const char *file,
unsigned int line)
{
__assert_fail (assertion, file, line, NULL);
}

28
sysdeps/arm/eabi/aeabi_atexit.c Normal file
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@ -0,0 +1,28 @@
/* Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdlib.h>
/* Register a function to be called by exit or when a shared library
is unloaded. This routine is like __cxa_atexit, but uses the
calling sequence required by the ARM EABI. */
int attribute_hidden
__aeabi_atexit (void *arg, void (*func) (void *), void *d)
{
return __cxa_atexit (func, arg, d);
}

26
sysdeps/arm/eabi/aeabi_errno_addr.c Normal file
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@ -0,0 +1,26 @@
/* Copyright (C) 2004 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
attribute_hidden
volatile int *
__aeabi_errno_addr (void)
{
return &errno;
}

67
sysdeps/arm/eabi/aeabi_lcsts.c Normal file
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@ -0,0 +1,67 @@
/* Link-time constants for ARM EABI.
Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* The ARM EABI requires that we provide ISO compile-time constants as
link-time constants. Some portable applications may reference these. */
#include <errno.h>
#include <limits.h>
#include <locale.h>
#include <setjmp.h>
#include <signal.h>
#include <stdio.h>
#include <time.h>
#define eabi_constant2(X,Y) const int __aeabi_##X attribute_hidden = Y
#define eabi_constant(X) const int __aeabi_##X attribute_hidden = X
eabi_constant (EDOM);
eabi_constant (ERANGE);
eabi_constant (EILSEQ);
eabi_constant (MB_LEN_MAX);
eabi_constant (LC_COLLATE);
eabi_constant (LC_CTYPE);
eabi_constant (LC_MONETARY);
eabi_constant (LC_NUMERIC);
eabi_constant (LC_TIME);
eabi_constant (LC_ALL);
/* The value of __aeabi_JMP_BUF_SIZE is the number of doublewords in a
jmp_buf. */
eabi_constant2 (JMP_BUF_SIZE, sizeof (jmp_buf) / 8);
eabi_constant (SIGABRT);
eabi_constant (SIGFPE);
eabi_constant (SIGILL);
eabi_constant (SIGINT);
eabi_constant (SIGSEGV);
eabi_constant (SIGTERM);
eabi_constant2 (IOFBF, _IOFBF);
eabi_constant2 (IOLBF, _IOLBF);
eabi_constant2 (IONBF, _IONBF);
eabi_constant (BUFSIZ);
eabi_constant (FOPEN_MAX);
eabi_constant (TMP_MAX);
eabi_constant (FILENAME_MAX);
eabi_constant (L_tmpnam);
eabi_constant (CLOCKS_PER_SEC);

26
sysdeps/arm/eabi/aeabi_localeconv.c Normal file
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@ -0,0 +1,26 @@
/* Copyright (C) 2004 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <locale.h>
attribute_hidden
struct lconv *
__aeabi_localeconv (void)
{
return localeconv ();
}

25
sysdeps/arm/eabi/aeabi_math.c Normal file
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@ -0,0 +1,25 @@
/* Copyright (C) 2004 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <math.h>
const double __aeabi_HUGE_VAL attribute_hidden = HUGE_VAL;
const long double __aeabi_HUGE_VALL attribute_hidden = HUGE_VALL;
const float __aeabi_HUGE_VALF attribute_hidden = HUGE_VALF;
const float __aeabi_INFINITY attribute_hidden = INFINITY;
const float __aeabi_NAN attribute_hidden = NAN;

28
sysdeps/arm/eabi/aeabi_mb_cur_max.c Normal file
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@ -0,0 +1,28 @@
/* Copyright (C) 2004 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <langinfo.h>
#include <locale.h>
#include <stdlib.h>
#include <locale/localeinfo.h>
int attribute_hidden
__aeabi_MB_CUR_MAX (void)
{
return MB_CUR_MAX;
}

31
sysdeps/arm/eabi/aeabi_memclr.c Normal file
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@ -0,0 +1,31 @@
/* Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <string.h>
/* Clear memory. Can't alias to bzero because it's not defined in the
same translation unit. */
void attribute_hidden
__aeabi_memclr (void *dest, size_t n)
{
__bzero (dest, n);
}
/* Versions of the above which may assume memory alignment. */
strong_alias (__aeabi_memclr, attribute_hidden __aeabi_memclr4)
strong_alias (__aeabi_memclr, attribute_hidden __aeabi_memclr8)

32
sysdeps/arm/eabi/aeabi_memcpy.c Normal file
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@ -0,0 +1,32 @@
/* Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <string.h>
/* Copy memory like memcpy, but no return value required. Can't alias
to memcpy because it's not defined in the same translation
unit. */
void attribute_hidden
__aeabi_memcpy (void *dest, const void *src, size_t n)
{
memcpy (dest, src, n);
}
/* Versions of the above which may assume memory alignment. */
strong_alias (__aeabi_memcpy, attribute_hidden __aeabi_memcpy4)
strong_alias (__aeabi_memcpy, attribute_hidden __aeabi_memcpy8)

32
sysdeps/arm/eabi/aeabi_memmove.c Normal file
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@ -0,0 +1,32 @@
/* Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <string.h>
/* Copy memory like memmove, but no return value required. Can't
alias to memmove because it's not defined in the same translation
unit. */
void attribute_hidden
__aeabi_memmove (void *dest, const void *src, size_t n)
{
memmove (dest, src, n);
}
/* Versions of the above which may assume memory alignment. */
strong_alias (__aeabi_memmove, attribute_hidden __aeabi_memmove4)
strong_alias (__aeabi_memmove, attribute_hidden __aeabi_memmove8)

31
sysdeps/arm/eabi/aeabi_memset.c Normal file
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@ -0,0 +1,31 @@
/* Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <string.h>
/* Set memory like memset, but different argument order and no return
value required. */
void attribute_hidden
__aeabi_memset (void *dest, size_t n, int c)
{
memset (dest, c, n);
}
/* Versions of the above which may assume memory alignment. */
strong_alias (__aeabi_memset, attribute_hidden __aeabi_memset4)
strong_alias (__aeabi_memset, attribute_hidden __aeabi_memset8)

37
sysdeps/arm/eabi/aeabi_sighandlers.S Normal file
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/* Link-time constants for ARM EABI - signal handlers.
Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* The ARM EABI defines these as "functions". */
#include <sysdep.h>
.global __aeabi_SIG_DFL
.hidden __aeabi_SIG_DFL
.type __aeabi_SIG_DFL, %function
.set __aeabi_SIG_DFL, 0
.global __aeabi_SIG_IGN
.hidden __aeabi_SIG_IGN
.type __aeabi_SIG_IGN, %function
.set __aeabi_SIG_IGN, 1
.global __aeabi_SIG_ERR
.hidden __aeabi_SIG_ERR
.type __aeabi_SIG_ERR, %function
.set __aeabi_SIG_ERR, -1

52
sysdeps/arm/eabi/aeabi_unwind_cpp_pr1.c Normal file
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@ -0,0 +1,52 @@
/* Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* Because some objects in ld.so and libc.so are built with
-fexceptions, we end up with references to this personality
routine. However, these libraries are not linked against
libgcc_eh.a, so we need a dummy definition. This routine will
never actually be called. */
#include <stdlib.h>
attribute_hidden
void
__aeabi_unwind_cpp_pr0 (void)
{
#ifndef IS_IN_rtld
abort ();
#endif
}
attribute_hidden
void
__aeabi_unwind_cpp_pr1 (void)
{
#ifndef IS_IN_rtld
abort ();
#endif
}
attribute_hidden
void
__aeabi_unwind_cpp_pr2 (void)
{
#ifndef IS_IN_rtld
abort ();
#endif
}

74
sysdeps/arm/eabi/bits/fenv.h Normal file
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/* Copyright (C) 2004, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#ifndef _FENV_H
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
#endif
/* Define bits representing exceptions in the FPU status word. */
enum
{
FE_INVALID = 1,
#define FE_INVALID FE_INVALID
FE_DIVBYZERO = 2,
#define FE_DIVBYZERO FE_DIVBYZERO
FE_OVERFLOW = 4,
#define FE_OVERFLOW FE_OVERFLOW
FE_UNDERFLOW = 8,
#define FE_UNDERFLOW FE_UNDERFLOW
FE_INEXACT = 16,
#define FE_INEXACT FE_INEXACT
};
/* Amount to shift by to convert an exception to a mask bit. */
#define FE_EXCEPT_SHIFT 8
/* All supported exceptions. */
#define FE_ALL_EXCEPT \
(FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW | FE_INEXACT)
/* VFP supports all of the four defined rounding modes. */
enum
{
FE_TONEAREST = 0,
#define FE_TONEAREST FE_TONEAREST
FE_UPWARD = 0x400000,
#define FE_UPWARD FE_UPWARD
FE_DOWNWARD = 0x800000,
#define FE_DOWNWARD FE_DOWNWARD
FE_TOWARDZERO = 0xc00000
#define FE_TOWARDZERO FE_TOWARDZERO
};
/* Type representing exception flags. */
typedef unsigned int fexcept_t;
/* Type representing floating-point environment. */
typedef struct
{
unsigned int __cw;
}
fenv_t;
/* If the default argument is used we use this value. */
#define FE_DFL_ENV ((fenv_t *) -1l)
#ifdef __USE_GNU
/* Floating-point environment where none of the exceptions are masked. */
# define FE_NOMASK_ENV ((__const fenv_t *) -2)
#endif

55
sysdeps/arm/eabi/bits/huge_val.h Normal file
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/* `HUGE_VAL' constant for IEEE 754 machines (where it is infinity).
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000, 2004
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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _MATH_H
# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
#endif
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
#if __GNUC_PREREQ(3,3)
# define HUGE_VAL (__builtin_huge_val())
#elif __GNUC_PREREQ(2,96)
# define HUGE_VAL (__extension__ 0x1.0p2047)
#elif defined __GNUC__
# define HUGE_VAL \
(__extension__ \
((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
{ __l: 0x7ff0000000000000ULL }).__d)
#else /* not GCC */
# include <endian.h>
typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
# if __BYTE_ORDER == __BIG_ENDIAN
# define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
# endif
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
# endif
static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
# define HUGE_VAL (__huge_val.__d)
#endif /* GCC. */

45
sysdeps/arm/eabi/bits/setjmp.h Normal file
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/* Copyright (C) 2004 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* Define the machine-dependent type `jmp_buf'. ARM EABI version. */
#ifndef _BITS_SETJMP_H
#define _BITS_SETJMP_H 1
#if !defined _SETJMP_H && !defined _PTHREAD_H
# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
#endif
#ifndef _ASM
/* The exact set of registers saved may depend on the particular core
in use, as some coprocessor registers may need to be saved. The C
Library ABI requires that the buffer be 8-byte aligned, and
recommends that the buffer contain 64 words. The first 28 words
are occupied by v1-v6, sl, fp, sp, pc, d8-d15, and fpscr. (Note
that d8-15 require 17 words, due to the use of fstmx.) */
typedef int __jmp_buf[64] __attribute__((aligned (8)));
#endif
#define __JMP_BUF_SP 8
/* Test if longjmp to JMPBUF would unwind the frame
containing a local variable at ADDRESS. */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
((void *) (address) < (void *) (jmpbuf[__JMP_BUF_SP]))
#endif

61
sysdeps/arm/eabi/fclrexcpt.c Normal file
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/* Clear given exceptions in current floating-point environment.
Copyright (C) 1997,98,99,2000,01,05 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
__feclearexcept (int excepts)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
unsigned long int temp;
/* Mask out unsupported bits/exceptions. */
excepts &= FE_ALL_EXCEPT;
/* Get the current floating point status. */
_FPU_GETCW (temp);
/* Clear the relevant bits. */
temp = (temp & ~FE_ALL_EXCEPT) | (temp & FE_ALL_EXCEPT & ~excepts);
/* Put the new data in effect. */
_FPU_SETCW (temp);
/* Success. */
return 0;
}
/* Unsupported, so fail. */
return 1;
}
#include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__feclearexcept, __old_feclearexcept)
compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1);
#endif
versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2);

51
sysdeps/arm/eabi/fedisblxcpt.c Normal file
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/* Disable floating-point exceptions.
Copyright (C) 2001, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>, 2001.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
fedisableexcept (int excepts)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
unsigned long int new_exc, old_exc;
_FPU_GETCW(new_exc);
old_exc = (new_exc >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
excepts &= FE_ALL_EXCEPT;
new_exc &= ~(excepts << FE_EXCEPT_SHIFT);
_FPU_SETCW(new_exc);
return old_exc;
}
/* Unsupported, so return -1 for failure. */
return -1;
}

51
sysdeps/arm/eabi/feenablxcpt.c Normal file
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/* Enable floating-point exceptions.
Copyright (C) 2001, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>, 2001.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
feenableexcept (int excepts)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
unsigned long int new_exc, old_exc;
_FPU_GETCW(new_exc);
old_exc = (new_exc >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
excepts &= FE_ALL_EXCEPT;
new_exc |= (excepts << FE_EXCEPT_SHIFT);
_FPU_SETCW(new_exc);
return old_exc;
}
/* Unsupported, so return -1 for failure. */
return -1;
}

51
sysdeps/arm/eabi/fegetenv.c Normal file
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/* Store current floating-point environment.
Copyright (C) 1997,98,99,2000,01,05 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
__fegetenv (fenv_t *envp)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
unsigned long int temp;
_FPU_GETCW (temp);
envp->__cw = temp;
/* Success. */
return 0;
}
/* Unsupported, so fail. */
return 1;
}
#include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__fegetenv, __old_fegetenv)
compat_symbol (libm, __old_fegetenv, fegetenv, GLIBC_2_1);
#endif
versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2);

43
sysdeps/arm/eabi/fegetexcept.c Normal file
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/* Get floating-point exceptions.
Copyright (C) 2001, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>, 2001
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
fegetexcept (void)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
unsigned long temp;
_FPU_GETCW (temp);
return (temp >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
}
/* Unsupported. Return all exceptions disabled. */
return 0;
}

43
sysdeps/arm/eabi/fegetround.c Normal file
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/* Return current rounding direction.
Copyright (C) 2004, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
fegetround (void)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
unsigned int temp;
/* Get the current environment. */
_FPU_GETCW (temp);
return temp & FE_TOWARDZERO;
}
/* The current soft-float implementation only handles TONEAREST. */
return FE_TONEAREST;
}

54
sysdeps/arm/eabi/feholdexcpt.c Normal file
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/* Store current floating-point environment and clear exceptions.
Copyright (C) 1997, 1998, 1999, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
feholdexcept (fenv_t *envp)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
unsigned long int temp;
/* Store the environment. */
_FPU_GETCW(temp);
envp->__cw = temp;
/* Now set all exceptions to non-stop. */
temp &= ~(FE_ALL_EXCEPT << FE_EXCEPT_SHIFT);
/* And clear all exception flags. */
temp &= ~FE_ALL_EXCEPT;
_FPU_SETCW(temp);
return 0;
}
/* Unsupported, so fail. */
return 1;
}
libm_hidden_def (feholdexcept)

57
sysdeps/arm/eabi/fesetenv.c Normal file
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/* Install given floating-point environment.
Copyright (C) 2004, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
__fesetenv (const fenv_t *envp)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
unsigned int temp;
_FPU_GETCW (temp);
temp &= _FPU_RESERVED;
if (envp == FE_DFL_ENV)
temp |= _FPU_DEFAULT;
else if (envp == FE_NOMASK_ENV)
temp |= _FPU_IEEE;
else
temp |= envp->__cw & ~_FPU_RESERVED;
_FPU_SETCW (temp);
/* Success. */
return 0;
}
/* Unsupported, so fail. */
return 1;
}
#include <shlib-compat.h>
libm_hidden_ver (__fesetenv, fesetenv)
versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2);

57
sysdeps/arm/eabi/fesetround.c Normal file
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/* Set current rounding direction.
Copyright (C) 2004, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
fesetround (int round)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
fpu_control_t temp;
switch (round)
{
case FE_TONEAREST:
case FE_UPWARD:
case FE_DOWNWARD:
case FE_TOWARDZERO:
_FPU_GETCW (temp);
temp = (temp & ~FE_TOWARDZERO) | round;
_FPU_SETCW (temp);
return 0;
default:
return 1;
}
}
else if (round == FE_TONEAREST)
/* This is the only supported rounding mode for soft-fp. */
return 0;
/* Unsupported, so fail. */
return 1;
}
libm_hidden_def (fesetround)

80
sysdeps/arm/eabi/find_exidx.c Normal file
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/* Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <link.h>
#include <unwind.h>
struct unw_eh_callback_data
{
_Unwind_Ptr pc;
_Unwind_Ptr exidx_start;
int exidx_len;
};
/* Callback to determins if the PC lies within an object, and remember the
location of the exception index table if it does. */
static int
find_exidx_callback (struct dl_phdr_info * info, size_t size, void * ptr)
{
struct unw_eh_callback_data * data;
const ElfW(Phdr) *phdr;
int i;
int match;
_Unwind_Ptr load_base;
data = (struct unw_eh_callback_data *) ptr;
load_base = info->dlpi_addr;
phdr = info->dlpi_phdr;
match = 0;
for (i = info->dlpi_phnum; i > 0; i--, phdr++)
{
if (phdr->p_type == PT_LOAD)
{
_Unwind_Ptr vaddr = phdr->p_vaddr + load_base;
if (data->pc >= vaddr && data->pc < vaddr + phdr->p_memsz)
match = 1;
}
else if (phdr->p_type == PT_ARM_EXIDX)
{
data->exidx_start = (_Unwind_Ptr) (phdr->p_vaddr + load_base);
data->exidx_len = phdr->p_memsz;
}
}
return match;
}
/* Find the exception index table containing PC. */
_Unwind_Ptr
__gnu_Unwind_Find_exidx (_Unwind_Ptr pc, int * pcount)
{
struct unw_eh_callback_data data;
data.pc = pc;
data.exidx_start = 0;
if (dl_iterate_phdr (find_exidx_callback, &data) <= 0)
return 0;
*pcount = data.exidx_len / 8;
return data.exidx_start;
}

51
sysdeps/arm/eabi/fpu_control.h Normal file
View file

@ -0,0 +1,51 @@
/* FPU control word definitions. ARM VFP version.
Copyright (C) 2004, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#ifndef _FPU_CONTROL_H
#define _FPU_CONTROL_H
/* masking of interrupts */
#define _FPU_MASK_IM 0x00000100 /* invalid operation */
#define _FPU_MASK_ZM 0x00000200 /* divide by zero */
#define _FPU_MASK_OM 0x00000400 /* overflow */
#define _FPU_MASK_UM 0x00000800 /* underflow */
#define _FPU_MASK_PM 0x00001000 /* inexact */
/* Some bits in the FPSCR are not yet defined. They must be preserved when
modifying the contents. */
#define _FPU_RESERVED 0x0e08e0e0
#define _FPU_DEFAULT 0x00000000
/* Default + exceptions enabled. */
#define _FPU_IEEE (_FPU_DEFAULT | 0x00001f00)
/* Type of the control word. */
typedef unsigned int fpu_control_t;
/* Macros for accessing the hardware control word. */
/* This is fmrx %0, fpscr. */
#define _FPU_GETCW(cw) \
__asm__ __volatile__ ("mrc p10, 7, %0, cr1, cr0, 0" : "=r" (cw))
/* This is fmxr fpscr, %0. */
#define _FPU_SETCW(cw) \
__asm__ __volatile__ ("mcr p10, 7, %0, cr1, cr0, 0" : : "r" (cw))
/* Default control word set at startup. */
extern fpu_control_t __fpu_control;
#endif /* _FPU_CONTROL_H */

110
sysdeps/arm/eabi/fraiseexcpt.c Normal file
View file

@ -0,0 +1,110 @@
/* Raise given exceptions.
Copyright (C) 2004, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fpu_control.h>
#include <fenv.h>
#include <float.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
feraiseexcept (int excepts)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
int fpscr;
const float fp_zero = 0.0, fp_one = 1.0, fp_max = FLT_MAX,
fp_min = FLT_MIN, fp_1e32 = 1.0e32f, fp_two = 2.0,
fp_three = 3.0;
/* 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. After
each exception we read from the fpscr, to force the exception to be
raised immediately. */
/* There are additional complications because this file may be compiled
without VFP support enabled, and we also can't assume that the
assembler has VFP instructions enabled. To get around this we use the
generic coprocessor mnemonics and avoid asking GCC to put float values
in VFP registers. */
/* First: invalid exception. */
if (FE_INVALID & excepts)
__asm__ __volatile__ (
"ldc p10, cr0, %1\n\t" /* flds s0, %1 */
"cdp p10, 8, cr0, cr0, cr0, 0\n\t" /* fdivs s0, s0, s0 */
"mrc p10, 7, %0, cr1, cr0, 0" : "=r" (fpscr) /* fmrx %0, fpscr */
: "m" (fp_zero)
: "s0");
/* Next: division by zero. */
if (FE_DIVBYZERO & excepts)
__asm__ __volatile__ (
"ldc p10, cr0, %1\n\t" /* flds s0, %1 */
"ldcl p10, cr0, %2\n\t" /* flds s1, %2 */
"cdp p10, 8, cr0, cr0, cr0, 1\n\t" /* fdivs s0, s0, s1 */
"mrc p10, 7, %0, cr1, cr0, 0" : "=r" (fpscr) /* fmrx %0, fpscr */
: "m" (fp_one), "m" (fp_zero)
: "s0", "s1");
/* Next: overflow. */
if (FE_OVERFLOW & excepts)
/* There's no way to raise overflow without also raising inexact. */
__asm__ __volatile__ (
"ldc p10, cr0, %1\n\t" /* flds s0, %1 */
"ldcl p10, cr0, %2\n\t" /* flds s1, %2 */
"cdp p10, 3, cr0, cr0, cr0, 1\n\t" /* fadds s0, s0, s1 */
"mrc p10, 7, %0, cr1, cr0, 0" : "=r" (fpscr) /* fmrx %0, fpscr */
: "m" (fp_max), "m" (fp_1e32)
: "s0", "s1");
/* Next: underflow. */
if (FE_UNDERFLOW & excepts)
__asm__ __volatile__ (
"ldc p10, cr0, %1\n\t" /* flds s0, %1 */
"ldcl p10, cr0, %2\n\t" /* flds s1, %2 */
"cdp p10, 8, cr0, cr0, cr0, 1\n\t" /* fdivs s0, s0, s1 */
"mrc p10, 7, %0, cr1, cr0, 0" : "=r" (fpscr) /* fmrx %0, fpscr */
: "m" (fp_min), "m" (fp_three)
: "s0", "s1");
/* Last: inexact. */
if (FE_INEXACT & excepts)
__asm__ __volatile__ (
"ldc p10, cr0, %1\n\t" /* flds s0, %1 */
"ldcl p10, cr0, %2\n\t" /* flds s1, %2 */
"cdp p10, 8, cr0, cr0, cr0, 1\n\t" /* fdivs s0, s0, s1 */
"mrc p10, 7, %0, cr1, cr0, 0" : "=r" (fpscr) /* fmrx %0, fpscr */
: "m" (fp_two), "m" (fp_three)
: "s0", "s1");
/* Success. */
return 0;
}
/* Unsupported, so fail. */
return 1;
}
libm_hidden_def (feraiseexcept)

60
sysdeps/arm/eabi/fsetexcptflg.c Normal file
View file

@ -0,0 +1,60 @@
/* Set floating-point environment exception handling.
Copyright (C) 1997,98,99,2000,01,05 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fenv.h>
#include <math.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
__fesetexceptflag (const fexcept_t *flagp, int excepts)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
fexcept_t temp;
/* Get the current environment. */
_FPU_GETCW (temp);
/* Set the desired exception mask. */
temp &= ~((excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT);
temp |= (*flagp & excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT;
/* Save state back to the FPU. */
_FPU_SETCW (temp);
/* Success. */
return 0;
}
/* Unsupported, so fail. */
return 1;
}
#include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__fesetexceptflag, __old_fesetexceptflag)
compat_symbol (libm, __old_fesetexceptflag, fesetexceptflag, GLIBC_2_1);
#endif
versioned_symbol (libm, __fesetexceptflag, fesetexceptflag, GLIBC_2_2);

43
sysdeps/arm/eabi/ftestexcept.c Normal file
View file

@ -0,0 +1,43 @@
/* Test exception in current environment.
Copyright (C) 1997, 1998, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
int
fetestexcept (int excepts)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
fexcept_t temp;
/* Get current exceptions. */
_FPU_GETCW(temp);
return temp & excepts & FE_ALL_EXCEPT;
}
/* Unsupported, return 0. */
return 0;
}

7
sysdeps/arm/eabi/rtld-global-offsets.sym Normal file
View file

@ -0,0 +1,7 @@
#define SHARED 1
#include <ldsodefs.h>
#define rtld_global_ro_offsetof(mem) offsetof (struct rtld_global_ro, mem)
RTLD_GLOBAL_RO_DL_HWCAP_OFFSET rtld_global_ro_offsetof (_dl_hwcap)

47
sysdeps/arm/eabi/setfpucw.c Normal file
View file

@ -0,0 +1,47 @@
/* Set the FPU control word.
Copyright (C) 1996, 1997, 1999, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <math.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <asm/procinfo.h>
void
__setfpucw (fpu_control_t set)
{
if (GLRO (dl_hwcap) & HWCAP_VFP)
{
fpu_control_t cw;
/* Fetch the current control word. */
_FPU_GETCW (cw);
/* Preserve the reserved bits, and set the rest as the user
specified (or the default, if the user gave zero). */
cw &= _FPU_RESERVED;
cw |= set & ~_FPU_RESERVED;
_FPU_SETCW (cw);
}
/* Do nothing if a VFP unit isn't present. */
}

85
sysdeps/arm/eabi/setjmp.S Normal file
View file

@ -0,0 +1,85 @@
/* setjmp for ARM.
Copyright (C) 1997, 1998, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <sysdep.h>
#define _SETJMP_H
#define _ASM
#include <bits/setjmp.h>
#define __ASSEMBLY__
#include <asm/procinfo.h>
#include <rtld-global-offsets.h>
ENTRY (__sigsetjmp)
mov ip, r0
/* Save registers */
stmia ip!, {v1-v6, sl, fp, sp, lr}
/* Check if we have a VFP unit. */
#ifdef IS_IN_rtld
ldr a3, 1f
ldr a4, Lrtld_local_ro
0: add a3, pc, a3
add a3, a3, a4
ldr a3, [a3, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET]
#else
#ifdef PIC
ldr a3, 1f
ldr a4, Lrtld_global_ro
0: add a3, pc, a3
ldr a3, [a3, a4]
ldr a3, [a3, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET]
#else
ldr a3, Lhwcap
ldr a3, [a3, #0]
#endif
#endif
tst a3, #HWCAP_VFP
beq Lno_vfp
/* Store the VFP registers. */
/* Following instruction is fstmiax ip!, {d8-d15}. */
stc p11, cr8, [r12], #68
/* Store the floating-point status register. */
/* Following instruction is fmrx r2, fpscr. */
mrc p10, 7, r2, cr1, cr0, 0
str r2, [ip], #4
Lno_vfp:
/* Make a tail call to __sigjmp_save; it takes the same args. */
B PLTJMP(C_SYMBOL_NAME(__sigjmp_save))
#ifdef IS_IN_rtld
1: .long _GLOBAL_OFFSET_TABLE_ - 0b - 8
Lrtld_local_ro:
.long C_SYMBOL_NAME(_rtld_local_ro)(GOTOFF)
#else
#ifdef PIC
1: .long _GLOBAL_OFFSET_TABLE_ - 0b - 8
Lrtld_global_ro:
.long C_SYMBOL_NAME(_rtld_global_ro)(GOT)
#else
Lhwcap:
.long C_SYMBOL_NAME(_dl_hwcap)
#endif
#endif
END (__sigsetjmp)

12
sysdeps/arm/elf/start.S
View file

@ -1,5 +1,6 @@
/* Startup code for ARM & ELF
Copyright (C) 1995, 1996, 1997, 1998, 2001, 2002 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1998, 2001, 2002, 2005
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
@ -62,6 +63,10 @@
.globl _start
.type _start,#function
_start:
#if !defined(__USING_SJLJ_EXCEPTIONS__)
/* Protect against unhandled exceptions. */
.fnstart
#endif
/* Fetch address of fini */
ldr ip, =__libc_csu_fini
@ -93,6 +98,11 @@ _start:
/* should never get here....*/
bl abort
#if !defined(__USING_SJLJ_EXCEPTIONS__)
.cantunwind
.fnend
#endif
/* Define a symbol for the first piece of initialized data. */
.data
.globl __data_start

2
sysdeps/arm/fpu/feholdexcpt.c
View file

@ -35,3 +35,5 @@ feholdexcept (fenv_t *envp)
return 0;
}
libm_hidden_def (feholdexcept)

2
sysdeps/arm/fpu/fesetround.c
View file

@ -25,3 +25,5 @@ fesetround (int round)
/* We only support FE_TONEAREST, so there is no need for any work. */
return (round == FE_TONEAREST)?0:1;
}
libm_hidden_def (fesetround)

13
sysdeps/arm/preconfigure
View file

@ -1,4 +1,13 @@
case "$machine" in
arm*) base_machine=arm machine=arm/arm32/$machine ;;
thumb*) base_machine=thumb machine=arm/thumb/$machine ;;
arm*)
base_machine=arm
case $config_os in
linux-gnueabi)
machine=arm/eabi/$machine
;;
*)
machine=arm/$machine
;;
esac
;;
esac

3
sysdeps/arm/shlib-versions
View file

@ -1 +1,4 @@
arm.*-.*-linux-gnueabi DEFAULT GLIBC_2.4
arm.*-.*-linux-gnueabi ld=ld-linux.so.3
arm.*-.*-linux.* ld=ld-linux.so.2

5
sysdeps/unix/sysv/linux/arm/eabi/configure vendored Normal file
View file

@ -0,0 +1,5 @@
# This file is generated from configure.in by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/arm/eabi.
arch_minimum_kernel=2.4.17
libc_cv_gcc_unwind_find_fde=no

5
sysdeps/unix/sysv/linux/arm/eabi/configure.in Normal file
View file

@ -0,0 +1,5 @@
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/arm/eabi.
arch_minimum_kernel=2.4.17
libc_cv_gcc_unwind_find_fde=no

37
sysdeps/unix/sysv/linux/arm/eabi/epoll_ctl.c Normal file
View file

@ -0,0 +1,37 @@
/* epoll_ctl wrapper for ARM EABI.
Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
#include <errno.h>
#include <sys/epoll.h>
#include <kernel_epoll.h>
int
epoll_ctl (int __epfd, int __op, int __fd, struct epoll_event *__event)
{
struct kernel_epoll_event k_event;
k_event.events = __event->events;
memcpy (&k_event.data, &__event->data, sizeof (k_event.data));
return INLINE_SYSCALL (epoll_ctl, 4, __epfd, __op, __fd, &k_event);
}
libc_hidden_def (epoll_ctl)

54
sysdeps/unix/sysv/linux/arm/eabi/epoll_wait.c Normal file
View file

@ -0,0 +1,54 @@
/* epoll_ctl wrapper for ARM EABI.
Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
#include <errno.h>
#include <sys/epoll.h>
#include <stdlib.h>
#include <kernel_epoll.h>
int
epoll_wait (int __epfd, struct epoll_event *__events,
int __maxevents, int __timeout);
{
struct kernel_epoll_event *k_events;
int result;
k_events = malloc (sizeof (struct kernel_epoll_event) * __maxevents);
if (k_events == NULL)
{
__set_errno (ENOMEM);
return -1;
}
result = INLINE_SYSCALL (epoll_wait, 4, __epfd, __events, k_events,
__timeout);
for (i = 0; i < result; i++)
{
__events[i].events = k_events[i].events;
memcpy (&__events[i].data, &k_events[i].data, sizeof (k_events[i].data));
}
free (k_events);
return result;
}
libc_hidden_def (epoll_wait)

229
sysdeps/unix/sysv/linux/arm/eabi/fcntl.c Normal file
View file

@ -0,0 +1,229 @@
/* Copyright (C) 2000, 2002, 2003, 2004 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <assert.h>
#include <errno.h>
#include <sysdep-cancel.h> /* Must come before <fcntl.h>. */
#include <fcntl.h>
#include <stdarg.h>
#include <sys/syscall.h>
#include "kernel-features.h"
#if __ASSUME_FCNTL64 == 0
/* This variable is shared with all files that check for fcntl64. */
int __have_no_fcntl64;
#endif
struct kernel_flock64 {
short l_type;
short l_whence;
off64_t l_start;
off64_t l_len;
pid_t l_pid;
} __attribute__((packed));
#if defined NO_CANCELLATION && __ASSUME_FCNTL64 == 0
# define __fcntl_nocancel __libc_fcntl
#endif
static inline void
__flock64_to_kernel (struct kernel_flock64 *kfl64,
const struct flock64 *fl64)
{
kfl64->l_type = fl64->l_type;
kfl64->l_whence = fl64->l_whence;
kfl64->l_start = fl64->l_start;
kfl64->l_len = fl64->l_len;
kfl64->l_pid = fl64->l_pid;
}
static inline void
__flock64_from_kernel (struct flock64 *fl64,
const struct kernel_flock64 *kfl64)
{
fl64->l_type = kfl64->l_type;
fl64->l_whence = kfl64->l_whence;
fl64->l_start = kfl64->l_start;
fl64->l_len = kfl64->l_len;
fl64->l_pid = kfl64->l_pid;
}
#if !defined NO_CANCELLATION || __ASSUME_FCNTL64 == 0
int
__fcntl_nocancel (int fd, int cmd, ...)
{
va_list ap;
void *arg;
struct kernel_flock64 kfl;
struct flock64 *orig_arg;
va_start (ap, cmd);
arg = va_arg (ap, void *);
va_end (ap);
#if __ASSUME_FCNTL64 == 0
# ifdef __NR_fcntl64
if (! __have_no_fcntl64)
{
orig_arg = arg;
if (cmd == F_GETLK64 || cmd == F_SETLK64 || cmd == F_SETLKW64)
{
arg = &kfl;
__flock64_to_kernel (&kfl, orig_arg);
}
int result = INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
if (result >= 0 || errno != ENOSYS)
{
if (cmd == F_GETLK64 || cmd == F_SETLK64 || cmd == F_SETLKW64)
__flock64_from_kernel (orig_arg, &kfl);
return result;
}
__have_no_fcntl64 = 1;
}
# endif
switch (cmd)
{
case F_GETLK64:
/* Convert arg from flock64 to flock and back. */
{
struct flock fl;
struct flock64 *fl64 = arg;
int res;
fl.l_start = (off_t)fl64->l_start;
/* Check if we can represent the values with the smaller type. */
if ((off64_t) fl.l_start != fl64->l_start)
{
eoverflow:
__set_errno (EOVERFLOW);
return -1;
}
fl.l_len = (off_t) fl64->l_len;
/* Check if we can represent the values with the smaller type. */
if ((off64_t) fl.l_len != fl64->l_len)
goto eoverflow;
fl.l_type = fl64->l_type;
fl.l_whence = fl64->l_whence;
fl.l_pid = fl64->l_pid;
res = INLINE_SYSCALL (fcntl, 3, fd, F_GETLK, &fl);
if (res != 0)
return res;
/* Everything ok, convert back. */
fl64->l_type = fl.l_type;
fl64->l_whence = fl.l_whence;
fl64->l_start = fl.l_start;
fl64->l_len = fl.l_len;
fl64->l_pid = fl.l_pid;
return 0;
}
case F_SETLK64:
case F_SETLKW64:
/* Try to convert arg from flock64 to flock. */
{
struct flock fl;
struct flock64 *fl64 = arg;
fl.l_start = (off_t) fl64->l_start;
/* Check if we can represent the values with the smaller type. */
if ((off64_t) fl.l_start != fl64->l_start)
goto eoverflow;
fl.l_len = (off_t)fl64->l_len;
/* Check if we can represent the values with the smaller type. */
if ((off64_t) fl.l_len != fl64->l_len)
{
__set_errno (EOVERFLOW);
return -1;
}
fl.l_type = fl64->l_type;
fl.l_whence = fl64->l_whence;
fl.l_pid = fl64->l_pid;
assert (F_SETLK - F_SETLKW == F_SETLK64 - F_SETLKW64);
return INLINE_SYSCALL (fcntl, 3, fd, cmd + F_SETLK - F_SETLK64, &fl);
}
default:
return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg);
}
return -1;
#else
return INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
#endif /* !__ASSUME_FCNTL64 */
}
#endif /* NO_CANCELLATION || !__ASSUME_FCNTL64 */
#ifndef __fcntl_nocancel
int
__libc_fcntl (int fd, int cmd, ...)
{
va_list ap;
void *arg;
struct kernel_flock64 kfl;
struct flock64 *orig_arg;
va_start (ap, cmd);
arg = va_arg (ap, void *);
va_end (ap);
#if __ASSUME_FCNTL64 > 0
orig_arg = arg;
if (cmd == F_GETLK64 || cmd == F_SETLK64 || cmd == F_SETLKW64)
{
arg = &kfl;
__flock64_to_kernel (&kfl, orig_arg);
}
if (SINGLE_THREAD_P || (cmd != F_SETLKW && cmd != F_SETLKW64))
{
int result = INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
if (cmd == F_GETLK64 || cmd == F_SETLK64 || cmd == F_SETLKW64)
__flock64_from_kernel (orig_arg, &kfl);
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
int result = INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
if (cmd == F_GETLK64 || cmd == F_SETLK64 || cmd == F_SETLKW64)
__flock64_from_kernel (orig_arg, &kfl);
#else
if (SINGLE_THREAD_P || (cmd != F_SETLKW && cmd != F_SETLKW64))
return __fcntl_nocancel (fd, cmd, arg);
int oldtype = LIBC_CANCEL_ASYNC ();
int result = __fcntl_nocancel (fd, cmd, arg);
#endif
LIBC_CANCEL_RESET (oldtype);
return result;
}
#endif
libc_hidden_def (__libc_fcntl)
weak_alias (__libc_fcntl, __fcntl)
libc_hidden_weak (__fcntl)
weak_alias (__libc_fcntl, fcntl)

76
sysdeps/unix/sysv/linux/arm/eabi/fstatfs64.c Normal file
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@ -0,0 +1,76 @@
/* Return information about the filesystem on which FD resides.
Copyright (C) 1996,1997,1998,1999,2000,2003,2005
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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <string.h>
#include <sys/statfs.h>
#include <stddef.h>
#include <sysdep.h>
/* Defined in statfs64.c. */
extern int __no_statfs64 attribute_hidden;
/* Return information about the filesystem on which FD resides. */
int
__fstatfs64 (int fd, struct statfs64 *buf)
{
#ifdef __NR_fstatfs64
# if __ASSUME_STATFS64 == 0
if (! __no_statfs64)
# endif
{
/* The EABI structure is the same as the old ABI structure, except
that it has four additional bytes of padding - at the end. We can
ignore them. */
int result = INLINE_SYSCALL (fstatfs64, 3, fd, sizeof (*buf) - 4, buf);
# if __ASSUME_STATFS64 == 0
if (result == 0 || errno != ENOSYS)
# endif
return result;
# if __ASSUME_STATFS64 == 0
__no_statfs64 = 1;
# endif
}
#endif
#if __ASSUME_STATFS64 == 0
struct statfs buf32;
if (__fstatfs (fd, &buf32) < 0)
return -1;
buf->f_type = buf32.f_type;
buf->f_bsize = buf32.f_bsize;
buf->f_blocks = buf32.f_blocks;
buf->f_bfree = buf32.f_bfree;
buf->f_bavail = buf32.f_bavail;
buf->f_files = buf32.f_files;
buf->f_ffree = buf32.f_ffree;
buf->f_fsid = buf32.f_fsid;
buf->f_namelen = buf32.f_namelen;
buf->f_frsize = buf32.f_frsize;
memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
return 0;
#endif
}
weak_alias (__fstatfs64, fstatfs64)

100
sysdeps/unix/sysv/linux/arm/eabi/fxstat64.c Normal file
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@ -0,0 +1,100 @@
/* fxstat64 using old-style Unix fstat system call.
Copyright (C) 1997-2002, 2003, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if __ASSUME_STAT64_SYSCALL == 0
# include <xstatconv.h>
#endif
#ifdef __NR_fstat64
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls. */
extern int __have_no_stat64;
# endif
#endif
/* Get information about the file FD in BUF. */
int
___fxstat64 (int vers, int fd, struct stat64 *buf)
{
int result;
struct kernel_stat64 kbuf64;
#if __ASSUME_STAT64_SYSCALL > 0
result = INLINE_SYSCALL (fstat64, 2, fd, CHECK_1 (&kbuf64));
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (__builtin_expect (!result, 1) && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
#else
struct kernel_stat kbuf;
# if defined __NR_fstat64
if (! __have_no_stat64)
{
int saved_errno = errno;
result = INLINE_SYSCALL (fstat64, 2, fd, CHECK_1 (&kbuf64));
if (result != -1 || errno != ENOSYS)
{
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (!result && buf->__st_ino != (__ino_t)buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
}
__set_errno (saved_errno);
__have_no_stat64 = 1;
}
# endif
result = INLINE_SYSCALL (fstat, 2, fd, __ptrvalue (&kbuf));
if (result == 0)
result = __xstat64_conv (vers, &kbuf, buf);
return result;
#endif
}
#include <shlib-compat.h>
#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
versioned_symbol (libc, ___fxstat64, __fxstat64, GLIBC_2_2);
strong_alias (___fxstat64, __old__fxstat64)
compat_symbol (libc, __old__fxstat64, __fxstat64, GLIBC_2_1);
hidden_ver (___fxstat64, __fxstat64)
#else
strong_alias (___fxstat64, __fxstat64)
hidden_def (__fxstat64)
#endif

23
sysdeps/unix/sysv/linux/arm/eabi/kernel_epoll.h Normal file
View file

@ -0,0 +1,23 @@
/* Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
struct kernel_epoll_event
{
uint32_t events; /* Epoll events */
epoll_data_t data; /* User data variable */
} __attribute__ ((packed,aligned(4)));

59
sysdeps/unix/sysv/linux/arm/eabi/kernel_stat.h Normal file
View file

@ -0,0 +1,59 @@
/* Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdeps/unix/sysv/linux/kernel_stat.h>
/* kernel_stat64 is just like stat64, except packed. The EABI aligns
st_size to an eight byte boundary but the old ABI only aligns it to
four. Similarly st_blocks. */
struct kernel_stat64
{
__dev_t st_dev; /* Device. */
unsigned int __pad1;
__ino_t __st_ino; /* 32bit file serial number. */
__mode_t st_mode; /* File mode. */
__nlink_t st_nlink; /* Link count. */
__uid_t st_uid; /* User ID of the file's owner. */
__gid_t st_gid; /* Group ID of the file's group.*/
__dev_t st_rdev; /* Device number, if device. */
unsigned int __pad2;
__off64_t st_size; /* Size of file, in bytes. */
__blksize_t st_blksize; /* Optimal block size for I/O. */
__blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
#ifdef __USE_MISC
/* Nanosecond resolution timestamps are stored in a format
equivalent to 'struct timespec'. This is the type used
whenever possible but the Unix namespace rules do not allow the
identifier 'timespec' to appear in the <sys/stat.h> header.
Therefore we have to handle the use of this header in strictly
standard-compliant sources special. */
struct timespec st_atim; /* Time of last access. */
struct timespec st_mtim; /* Time of last modification. */
struct timespec st_ctim; /* Time of last status change. */
#else
__time_t st_atime; /* Time of last access. */
unsigned long int st_atimensec; /* Nscecs of last access. */
__time_t st_mtime; /* Time of last modification. */
unsigned long int st_mtimensec; /* Nsecs of last modification. */
__time_t st_ctime; /* Time of last status change. */
unsigned long int st_ctimensec; /* Nsecs of last status change. */
#endif
__ino64_t st_ino; /* File serial number. */
} __attribute__ ((packed,aligned(4)));

202
sysdeps/unix/sysv/linux/arm/eabi/lockf64.c Normal file
View file

@ -0,0 +1,202 @@
/* Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2003
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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sysdep.h>
#include "kernel-features.h"
/* lockf is a simplified interface to fcntl's locking facilities. */
#ifdef __NR_fcntl64
# if __ASSUME_FCNTL64 == 0
/* This variable is shared with all files that check for fcntl64. The
declaration is in fcntl.c. */
extern int __have_no_fcntl64;
# endif
#endif
struct kernel_flock64 {
short l_type;
short l_whence;
off64_t l_start;
off64_t l_len;
pid_t l_pid;
} __attribute__((packed));
int
lockf64 (int fd, int cmd, off64_t len64)
{
#if __ASSUME_FCNTL64 == 0
struct flock fl;
off_t len = (off_t) len64;
#endif
#ifdef __NR_fcntl64
struct kernel_flock64 fl64;
int cmd64;
#endif
#if __ASSUME_FCNTL64 == 0
memset ((char *) &fl, '\0', sizeof (fl));
/* lockf is always relative to the current file position. */
fl.l_whence = SEEK_CUR;
fl.l_start = 0;
fl.l_len = len;
#endif
#ifdef __NR_fcntl64
# if __ASSUME_FCNTL64 == 0
if (!__have_no_fcntl64)
{
# endif
memset ((char *) &fl64, '\0', sizeof (fl64));
fl64.l_whence = SEEK_CUR;
fl64.l_start = 0;
fl64.l_len = len64;
# if __ASSUME_FCNTL64 == 0
}
# endif
#endif
#if __ASSUME_FCNTL64 == 0 && !defined __NR_fcntl64
if (len64 != (off64_t) len)
{
/* We can't represent the length. */
__set_errno (EOVERFLOW);
return -1;
}
#endif
switch (cmd)
{
case F_TEST:
/* Test the lock: return 0 if FD is unlocked or locked by this process;
return -1, set errno to EACCES, if another process holds the lock. */
#if __ASSUME_FCNTL64 > 0
fl64.l_type = F_RDLCK;
if (INLINE_SYSCALL (fcntl64, 3, fd, F_GETLK64, &fl64) < 0)
return -1;
if (fl64.l_type == F_UNLCK || fl64.l_pid == __getpid ())
return 0;
__set_errno (EACCES);
return -1;
#else
# ifdef __NR_fcntl64
if (!__have_no_fcntl64)
{
int res;
fl64.l_type = F_RDLCK;
res = INLINE_SYSCALL (fcntl64, 3, fd, F_GETLK64, &fl64);
/* If errno == ENOSYS try the 32bit interface if len64 can
be represented with 32 bits. */
if (res == 0)
{
if (fl64.l_type == F_UNLCK || fl64.l_pid == __getpid ())
return 0;
__set_errno (EACCES);
return -1;
}
else if (errno == ENOSYS)
__have_no_fcntl64 = 1;
else
/* res < 0 && errno != ENOSYS. */
return -1;
if (len64 != (off64_t) len)
{
/* We can't represent the length. */
__set_errno (EOVERFLOW);
return -1;
}
}
# endif
fl.l_type = F_RDLCK;
if (__fcntl (fd, F_GETLK, &fl) < 0)
return -1;
if (fl.l_type == F_UNLCK || fl.l_pid == __getpid ())
return 0;
__set_errno (EACCES);
return -1;
#endif
case F_ULOCK:
#if __ASSUME_FCNTL64 == 0
fl.l_type = F_UNLCK;
cmd = F_SETLK;
#endif
#ifdef __NR_fcntl64
fl64.l_type = F_UNLCK;
cmd64 = F_SETLK64;
#endif
break;
case F_LOCK:
#if __ASSUME_FCNTL64 == 0
fl.l_type = F_WRLCK;
cmd = F_SETLKW;
#endif
#ifdef __NR_fcntl64
fl64.l_type = F_WRLCK;
cmd64 = F_SETLKW64;
#endif
break;
case F_TLOCK:
#if __ASSUME_FCNTL64 == 0
fl.l_type = F_WRLCK;
cmd = F_SETLK;
#endif
#ifdef __NR_fcntl64
fl64.l_type = F_WRLCK;
cmd64 = F_SETLK64;
#endif
break;
default:
__set_errno (EINVAL);
return -1;
}
#if __ASSUME_FCNTL64 > 0
return INLINE_SYSCALL (fcntl64, 3, fd, cmd64, &fl64);
#else
# ifdef __NR_fcntl64
if (!__have_no_fcntl64)
{
int res = INLINE_SYSCALL (fcntl64, 3, fd, cmd64, &fl64);
/* If errno == ENOSYS try the 32bit interface if len64 can
be represented with 32 bits. */
if (res == 0 || errno != ENOSYS)
return res;
__have_no_fcntl64 = 1;
if (len64 != (off64_t) len)
{
/* We can't represent the length. */
__set_errno (EOVERFLOW);
return -1;
}
}
# endif
return __fcntl (fd, cmd, &fl);
#endif
}

99
sysdeps/unix/sysv/linux/arm/eabi/lxstat64.c Normal file
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@ -0,0 +1,99 @@
/* lxstat64 using old-style Unix lstat system call.
Copyright (C) 1997-2002, 2003, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if __ASSUME_STAT64_SYSCALL == 0
# include <xstatconv.h>
#endif
#ifdef __NR_lstat64
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls. */
extern int __have_no_stat64;
# endif
#endif
/* Get information about the file NAME in BUF. */
int
___lxstat64 (int vers, const char *name, struct stat64 *buf)
{
int result;
struct kernel_stat64 kbuf64;
#ifdef __ASSUME_STAT64_SYSCALL
result = INLINE_SYSCALL (lstat64, 2, CHECK_STRING (name), CHECK_1 (&kbuf64));
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (__builtin_expect (!result, 1) && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
#else
struct kernel_stat kbuf;
# ifdef __NR_lstat64
if (! __have_no_stat64)
{
int saved_errno = errno;
result = INLINE_SYSCALL (lstat64, 2, CHECK_STRING (name), CHECK_1 (&kbuf64));
if (result != -1 || errno != ENOSYS)
{
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (!result && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
}
__set_errno (saved_errno);
__have_no_stat64 = 1;
}
# endif
result = INLINE_SYSCALL (lstat, 2, CHECK_STRING (name), __ptrvalue (&kbuf));
if (result == 0)
result = __xstat64_conv (vers, &kbuf, buf);
return result;
#endif
}
#include <shlib-compat.h>
#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
versioned_symbol (libc, ___lxstat64, __lxstat64, GLIBC_2_2);
strong_alias (___lxstat64, __old__lxstat64)
compat_symbol (libc, __old__lxstat64, __lxstat64, GLIBC_2_1);
hidden_ver (___lxstat64, __lxstat64)
#else
strong_alias (___lxstat64, __lxstat64);
hidden_def (__lxstat64)
#endif

1
sysdeps/unix/sysv/linux/arm/eabi/oldgetrlimit.c Normal file
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@ -0,0 +1 @@
/* Empty. */

1
sysdeps/unix/sysv/linux/arm/eabi/oldsetrlimit.c Normal file
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@ -0,0 +1 @@
/* Empty. */

67
sysdeps/unix/sysv/linux/arm/eabi/semop.c Normal file
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@ -0,0 +1,67 @@
/* Copyright (C) 1995, 1997, 1998, 1999, 2000, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <sys/sem.h>
#include <ipc_priv.h>
#include <alloca.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
struct kernel_sembuf
{
unsigned short int sem_num; /* semaphore number */
short int sem_op; /* semaphore operation */
short int sem_flg; /* operation flag */
short int __pad1;
};
/* Perform user-defined atomical operation of array of semaphores. */
int
semop (semid, sops, nsops)
int semid;
struct sembuf *sops;
size_t nsops;
{
struct kernel_sembuf *ksops = alloca (sizeof (ksops[0]) * nsops);
size_t i;
int result;
for (i = 0; i < nsops; i++)
{
ksops[i].sem_num = sops[i].sem_num;
ksops[i].sem_op = sops[i].sem_op;
ksops[i].sem_flg = sops[i].sem_flg;
}
result = INLINE_SYSCALL (ipc, 5, IPCOP_semop,
semid, (int) nsops, 0, CHECK_N (ksops, nsops));
for (i = 0; i < nsops; i++)
{
sops[i].sem_num = ksops[i].sem_num;
sops[i].sem_op = ksops[i].sem_op;
sops[i].sem_flg = ksops[i].sem_flg;
}
return result;
}

69
sysdeps/unix/sysv/linux/arm/eabi/semtimedop.c Normal file
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@ -0,0 +1,69 @@
/* Copyright (C) 1995, 1997, 1998, 1999, 2000, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <sys/sem.h>
#include <ipc_priv.h>
#include <alloca.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
struct kernel_sembuf
{
unsigned short int sem_num; /* semaphore number */
short int sem_op; /* semaphore operation */
short int sem_flg; /* operation flag */
short int __pad1;
};
/* Perform user-defined atomical operation of array of semaphores. */
int
semtimedop (semid, sops, nsops, timeout)
int semid;
struct sembuf *sops;
size_t nsops;
const struct timespec *timeout;
{
struct kernel_sembuf *ksops = alloca (sizeof (ksops[0]) * nsops);
size_t i;
int result;
for (i = 0; i < nsops; i++)
{
ksops[i].sem_num = sops[i].sem_num;
ksops[i].sem_op = sops[i].sem_op;
ksops[i].sem_flg = sops[i].sem_flg;
}
result = INLINE_SYSCALL (ipc, 6, IPCOP_semtimedop,
semid, (int) nsops, 0, CHECK_N (sops, nsops),
timeout);
for (i = 0; i < nsops; i++)
{
sops[i].sem_num = ksops[i].sem_num;
sops[i].sem_op = ksops[i].sem_op;
sops[i].sem_flg = ksops[i].sem_flg;
}
return result;
}

77
sysdeps/unix/sysv/linux/arm/eabi/statfs64.c Normal file
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@ -0,0 +1,77 @@
/* Return information about the filesystem on which FILE resides.
Copyright (C) 1996-2000,2003,2004,2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <string.h>
#include <sys/statfs.h>
#include <stddef.h>
#include <sysdep.h>
# if __ASSUME_STATFS64 == 0
int __no_statfs64 attribute_hidden;
#endif
/* Return information about the filesystem on which FILE resides. */
int
__statfs64 (const char *file, struct statfs64 *buf)
{
#ifdef __NR_statfs64
# if __ASSUME_STATFS64 == 0
if (! __no_statfs64)
# endif
{
/* The EABI structure is the same as the old ABI structure, except
that it has four additional bytes of padding - at the end. We can
ignore them. */
int result = INLINE_SYSCALL (statfs64, 3, file, sizeof (*buf) - 4, buf);
# if __ASSUME_STATFS64 == 0
if (result == 0 || errno != ENOSYS)
# endif
return result;
# if __ASSUME_STATFS64 == 0
__no_statfs64 = 1;
# endif
}
#endif
#if __ASSUME_STATFS64 == 0
struct statfs buf32;
if (__statfs (file, &buf32) < 0)
return -1;
buf->f_type = buf32.f_type;
buf->f_bsize = buf32.f_bsize;
buf->f_blocks = buf32.f_blocks;
buf->f_bfree = buf32.f_bfree;
buf->f_bavail = buf32.f_bavail;
buf->f_files = buf32.f_files;
buf->f_ffree = buf32.f_ffree;
buf->f_fsid = buf32.f_fsid;
buf->f_namelen = buf32.f_namelen;
buf->f_frsize = buf32.f_frsize;
memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
return 0;
#endif
}
weak_alias (__statfs64, statfs64)

4
sysdeps/unix/sysv/linux/arm/eabi/syscalls.list Normal file
View file

@ -0,0 +1,4 @@
# File name Caller Syscall name # args Strong name Weak names
epoll_ctl EXTRA epoll_ctl i:iiip epoll_ctl
epoll_wait EXTRA epoll_wait i:ipii epoll_wait

43
sysdeps/unix/sysv/linux/arm/eabi/uname.c Normal file
View file

@ -0,0 +1,43 @@
/* Copyright (C) 2005
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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <string.h>
#include <sys/utsname.h>
/* The kernel's struct utsname is two bytes larger than a userland struct
utsname due to the APCS structure size boundary. */
int
__uname (struct utsname *__name)
{
char buf[sizeof (struct utsname) + 2];
int result = INLINE_SYSCALL (uname, 1, buf);
if (result == 0)
memcpy (__name, buf, sizeof (struct utsname));
return result;
}
libc_hidden_def (__uname)
strong_alias (__uname, uname)
libc_hidden_weak (uname)

103
sysdeps/unix/sysv/linux/arm/eabi/xstat64.c Normal file
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@ -0,0 +1,103 @@
/* xstat64 using old-style Unix stat system call.
Copyright (C) 1991, 1995-2002, 2003, 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if __ASSUME_STAT64_SYSCALL == 0
# include <xstatconv.h>
#endif
#ifdef __NR_stat64
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls.
This is the definition. */
int __have_no_stat64;
# endif
#endif
/* Get information about the file NAME in BUF. */
int
___xstat64 (int vers, const char *name, struct stat64 *buf)
{
int result;
struct kernel_stat64 kbuf64;
#if __ASSUME_STAT64_SYSCALL > 0
result = INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), CHECK_1 (&kbuf64));
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (__builtin_expect (!result, 1) && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
#else
struct kernel_stat kbuf;
# if defined __NR_stat64
if (! __have_no_stat64)
{
int saved_errno = errno;
result = INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), CHECK_1 (&kbuf64));
if (result != -1 || errno != ENOSYS)
{
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (!result && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
}
__set_errno (saved_errno);
__have_no_stat64 = 1;
}
# endif
result = INLINE_SYSCALL (stat, 2, CHECK_STRING (name), __ptrvalue (&kbuf));
if (result == 0)
result = __xstat64_conv (vers, &kbuf, buf);
return result;
#endif
}
#include <shlib-compat.h>
#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
versioned_symbol (libc, ___xstat64, __xstat64, GLIBC_2_2);
strong_alias (___xstat64, __old__xstat64)
compat_symbol (libc, __old__xstat64, __xstat64, GLIBC_2_1);
hidden_ver (___xstat64, __xstat64)
#else
strong_alias (___xstat64, __xstat64)
hidden_def (__xstat64)
#endif

341
sysdeps/unix/sysv/linux/arm/eabi/xstatconv.c Normal file
View file

@ -0,0 +1,341 @@
/* Convert between the kernel's `struct stat' format, and libc's.
Copyright (C) 1991,1995-1997,2000,2002,2003 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#ifdef STAT_IS_KERNEL_STAT
/* Dummy. */
struct kernel_stat;
#else
#include <string.h>
#if !defined __ASSUME_STAT64_SYSCALL || defined XSTAT_IS_XSTAT64
int
__xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
{
switch (vers)
{
case _STAT_VER_KERNEL:
/* Nothing to do. The struct is in the form the kernel expects.
We should have short-circuted before we got here, but for
completeness... */
*(struct kernel_stat *) ubuf = *kbuf;
break;
case _STAT_VER_LINUX:
{
struct stat *buf = ubuf;
/* Convert to current kernel version of `struct stat'. */
buf->st_dev = kbuf->st_dev;
#ifdef _HAVE_STAT___PAD1
buf->__pad1 = 0;
#endif
buf->st_ino = kbuf->st_ino;
buf->st_mode = kbuf->st_mode;
buf->st_nlink = kbuf->st_nlink;
buf->st_uid = kbuf->st_uid;
buf->st_gid = kbuf->st_gid;
buf->st_rdev = kbuf->st_rdev;
#ifdef _HAVE_STAT___PAD2
buf->__pad2 = 0;
#endif
buf->st_size = kbuf->st_size;
buf->st_blksize = kbuf->st_blksize;
buf->st_blocks = kbuf->st_blocks;
#ifdef _HAVE_STAT_NSEC
buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
#else
buf->st_atime = kbuf->st_atime;
buf->st_mtime = kbuf->st_mtime;
buf->st_ctime = kbuf->st_ctime;
#endif
#ifdef _HAVE_STAT___UNUSED1
buf->__unused1 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED2
buf->__unused2 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED3
buf->__unused3 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED4
buf->__unused4 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED5
buf->__unused5 = 0;
#endif
}
break;
default:
__set_errno (EINVAL);
return -1;
}
return 0;
}
#endif
int
__xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
{
#ifdef XSTAT_IS_XSTAT64
return __xstat_conv (vers, kbuf, ubuf);
#else
switch (vers)
{
case _STAT_VER_LINUX:
{
struct stat64 *buf = ubuf;
/* Convert to current kernel version of `struct stat64'. */
buf->st_dev = kbuf->st_dev;
#ifdef _HAVE_STAT64___PAD1
buf->__pad1 = 0;
#endif
buf->st_ino = kbuf->st_ino;
#ifdef _HAVE_STAT64___ST_INO
buf->__st_ino = kbuf->st_ino;
#endif
buf->st_mode = kbuf->st_mode;
buf->st_nlink = kbuf->st_nlink;
buf->st_uid = kbuf->st_uid;
buf->st_gid = kbuf->st_gid;
buf->st_rdev = kbuf->st_rdev;
#ifdef _HAVE_STAT64___PAD2
buf->__pad2 = 0;
#endif
buf->st_size = kbuf->st_size;
buf->st_blksize = kbuf->st_blksize;
buf->st_blocks = kbuf->st_blocks;
#ifdef _HAVE_STAT64_NSEC
buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
#else
buf->st_atime = kbuf->st_atime;
buf->st_mtime = kbuf->st_mtime;
buf->st_ctime = kbuf->st_ctime;
#endif
#ifdef _HAVE_STAT64___UNUSED1
buf->__unused1 = 0;
#endif
#ifdef _HAVE_STAT64___UNUSED2
buf->__unused2 = 0;
#endif
#ifdef _HAVE_STAT64___UNUSED3
buf->__unused3 = 0;
#endif
#ifdef _HAVE_STAT64___UNUSED4
buf->__unused4 = 0;
#endif
#ifdef _HAVE_STAT64___UNUSED5
buf->__unused5 = 0;
#endif
}
break;
/* If struct stat64 is different from struct stat then
_STAT_VER_KERNEL does not make sense. */
case _STAT_VER_KERNEL:
default:
__set_errno (EINVAL);
return -1;
}
return 0;
#endif
}
int
__xstat32_conv (int vers, void *kbuf_, struct stat *buf)
{
struct kernel_stat64 *kbuf = kbuf_;
switch (vers)
{
case _STAT_VER_LINUX:
{
/* Convert current kernel version of `struct stat64' to
`struct stat'. */
buf->st_dev = kbuf->st_dev;
#ifdef _HAVE_STAT___PAD1
buf->__pad1 = 0;
#endif
#ifdef _HAVE_STAT64___ST_INO
# if __ASSUME_ST_INO_64_BIT == 0
if (kbuf->st_ino == 0)
buf->st_ino = kbuf->__st_ino;
else
# endif
{
buf->st_ino = kbuf->st_ino;
if (sizeof (buf->st_ino) != sizeof (kbuf->st_ino)
&& buf->st_ino != kbuf->st_ino)
{
__set_errno (EOVERFLOW);
return -1;
}
}
#else
buf->st_ino = kbuf->st_ino;
if (sizeof (buf->st_ino) != sizeof (kbuf->st_ino)
&& buf->st_ino != kbuf->st_ino)
{
__set_errno (EOVERFLOW);
return -1;
}
#endif
buf->st_mode = kbuf->st_mode;
buf->st_nlink = kbuf->st_nlink;
buf->st_uid = kbuf->st_uid;
buf->st_gid = kbuf->st_gid;
buf->st_rdev = kbuf->st_rdev;
#ifdef _HAVE_STAT___PAD2
buf->__pad2 = 0;
#endif
buf->st_size = kbuf->st_size;
/* Check for overflow. */
if (sizeof (buf->st_size) != sizeof (kbuf->st_size)
&& buf->st_size != kbuf->st_size)
{
__set_errno (EOVERFLOW);
return -1;
}
buf->st_blksize = kbuf->st_blksize;
buf->st_blocks = kbuf->st_blocks;
/* Check for overflow. */
if (sizeof (buf->st_blocks) != sizeof (kbuf->st_blocks)
&& buf->st_blocks != kbuf->st_blocks)
{
__set_errno (EOVERFLOW);
return -1;
}
#ifdef _HAVE_STAT_NSEC
buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
#else
buf->st_atime = kbuf->st_atime;
buf->st_mtime = kbuf->st_mtime;
buf->st_ctime = kbuf->st_ctime;
#endif
#ifdef _HAVE_STAT___UNUSED1
buf->__unused1 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED2
buf->__unused2 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED3
buf->__unused3 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED4
buf->__unused4 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED5
buf->__unused5 = 0;
#endif
}
break;
/* If struct stat64 is different from struct stat then
_STAT_VER_KERNEL does not make sense. */
case _STAT_VER_KERNEL:
default:
__set_errno (EINVAL);
return -1;
}
return 0;
}
int
__xstat64_kernel64_conv (int vers, void *kbuf_, struct stat64 *buf)
{
struct kernel_stat64 *kbuf = kbuf_;
switch (vers)
{
case _STAT_VER_LINUX:
{
/* Convert current kernel version of `struct stat64' to
user version of `struct stat64'. */
buf->st_dev = kbuf->st_dev;
#ifdef _HAVE_STAT64___PAD1
buf->__pad1 = kbuf->__pad1;
#endif
#ifdef _HAVE_STAT64___ST_INO
buf->__st_ino = kbuf->__st_ino;
#endif
buf->st_mode = kbuf->st_mode;
buf->st_nlink = kbuf->st_nlink;
buf->st_uid = kbuf->st_uid;
buf->st_gid = kbuf->st_gid;
buf->st_rdev = kbuf->st_rdev;
#ifdef _HAVE_STAT64___PAD2
buf->__pad2 = kbuf->__pad2;
#endif
buf->st_size = kbuf->st_size;
buf->st_blksize = kbuf->st_blksize;
buf->st_blocks = kbuf->st_blocks;
#ifdef _HAVE_STAT64_NSEC
buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
#else
buf->st_atime = kbuf->st_atime;
buf->st_mtime = kbuf->st_mtime;
buf->st_ctime = kbuf->st_ctime;
#endif
buf->st_ino = kbuf->st_ino;
}
break;
case _STAT_VER_KERNEL:
default:
__set_errno (EINVAL);
return -1;
}
return 0;
}
#endif

28
sysdeps/unix/sysv/linux/arm/eabi/xstatconv.h Normal file
View file

@ -0,0 +1,28 @@
/* Convert between the kernel's `struct stat' format, and libc's.
Copyright (C) 1991,1995-1997,2000,2002,2003 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include "kernel-features.h"
#ifndef STAT_IS_KERNEL_STAT
extern int __xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf);
extern int __xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf);
#endif
extern int __xstat32_conv (int vers, void *kbuf, struct stat *buf);
extern int __xstat64_kernel64_conv (int vers, struct kernel_stat64 *kbuf,
struct stat64 *buf);

30
sysdeps/unix/sysv/linux/arm/mmap64.S
View file

@ -1,4 +1,4 @@
/* Copyright (C) 2000, 2003 Free Software Foundation, Inc.
/* Copyright (C) 2000, 2003, 2005 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
@ -23,21 +23,31 @@
#include "kernel-features.h"
/* For the EABI, there are four extra bytes of padding in the
incoming arguments to mmap64, to preserve alignment. */
#ifdef __ARM_EABI__
# define INITIAL_OFFSET 8
#else
# define INITIAL_OFFSET 4
#endif
#ifdef __ARMEB__
# define LOW_OFFSET INITIAL_OFFSET + 4
/* The initial + 4 is for the stack postdecrement. */
# define HIGH_OFFSET 4 + INITIAL_OFFSET + 0
#else
# define LOW_OFFSET INITIAL_OFFSET + 0
# define HIGH_OFFSET 4 + INITIAL_OFFSET + 4
#endif
/* The mmap2 system call takes six arguments, all in registers. */
.text
ENTRY (__mmap64)
#ifdef __NR_mmap2
#ifdef __ARMEB__
ldr ip, [sp, $8] @ offset low part
ldr ip, [sp, $LOW_OFFSET]
str r5, [sp, #-4]!
ldr r5, [sp, $8] @ offset high part
ldr r5, [sp, $HIGH_OFFSET]
str r4, [sp, #-4]!
#else
ldr ip, [sp, $4] @ offset low part
str r5, [sp, #-4]!
ldr r5, [sp, $12] @ offset high part
str r4, [sp, #-4]!
#endif
movs r4, ip, lsl $20 @ check that offset is page-aligned
mov ip, ip, lsr $12
moveqs r4, r5, lsr $12 @ check for overflow