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-rw-r--r--sysdeps/sh/bits/setjmp.h4
-rw-r--r--sysdeps/sh/libc-tls.c33
-rw-r--r--sysdeps/unix/sysv/linux/fallocate.c5
-rw-r--r--sysdeps/unix/sysv/linux/fallocate64.c5
-rw-r--r--sysdeps/unix/sysv/linux/getsysstats.c40
-rw-r--r--sysdeps/x86_64/add_n.S42
-rw-r--r--sysdeps/x86_64/addmul_1.S46
-rw-r--r--sysdeps/x86_64/lshift.S60
-rw-r--r--sysdeps/x86_64/mp_clz_tab.c1
-rw-r--r--sysdeps/x86_64/mul_1.S42
-rw-r--r--sysdeps/x86_64/rshift.S62
-rw-r--r--sysdeps/x86_64/sub_n.S42
-rw-r--r--sysdeps/x86_64/submul_1.S46
13 files changed, 422 insertions, 6 deletions
diff --git a/sysdeps/sh/bits/setjmp.h b/sysdeps/sh/bits/setjmp.h
index 7e3fbd3394..6196abedd6 100644
--- a/sysdeps/sh/bits/setjmp.h
+++ b/sysdeps/sh/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999,2000,2003,2005,2006 Free Software Foundation, Inc.
+/* Copyright (C) 1999,2000,2003,2005,2006,2009 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
@@ -25,7 +25,7 @@
#endif
#ifndef _ASM
-typedef struct
+typedef struct __jmp_buf_internal_tag
{
/* Callee-saved registers r8 through r15. */
int __regs[8];
diff --git a/sysdeps/sh/libc-tls.c b/sysdeps/sh/libc-tls.c
new file mode 100644
index 0000000000..1a7db55c50
--- /dev/null
+++ b/sysdeps/sh/libc-tls.c
@@ -0,0 +1,33 @@
+/* Thread-local storage handling in the ELF dynamic linker. SH version.
+ Copyright (C) 2009 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 <csu/libc-tls.c>
+#include <dl-tls.h>
+
+/* On SH, linker optimizations are not required, so __tls_get_addr
+ can be called even in statically linked binaries. In this case module
+ must be always 1 and PT_TLS segment exist in the binary, otherwise it
+ would not link. */
+
+void *
+__tls_get_addr (tls_index *ti)
+{
+ dtv_t *dtv = THREAD_DTV ();
+ return (char *) dtv[1].pointer.val + ti->ti_offset;
+}
diff --git a/sysdeps/unix/sysv/linux/fallocate.c b/sysdeps/unix/sysv/linux/fallocate.c
index a45b0f831d..116f00046e 100644
--- a/sysdeps/unix/sysv/linux/fallocate.c
+++ b/sysdeps/unix/sysv/linux/fallocate.c
@@ -25,7 +25,12 @@
int
fallocate (int fd, int mode, __off_t offset, __off_t len)
{
+#ifndef __NR_fallocate
return INLINE_SYSCALL (fallocate, 6, fd, mode,
__LONG_LONG_PAIR (offset >> 31, offset),
__LONG_LONG_PAIR (len >> 31, len));
+#else
+ __set_errno (ENOSYS);
+ return -1;
+#endif
}
diff --git a/sysdeps/unix/sysv/linux/fallocate64.c b/sysdeps/unix/sysv/linux/fallocate64.c
index 601a70ba1f..2fbe988910 100644
--- a/sysdeps/unix/sysv/linux/fallocate64.c
+++ b/sysdeps/unix/sysv/linux/fallocate64.c
@@ -25,9 +25,14 @@
int
__fallocate64_l64 (int fd, int mode, __off64_t offset, __off64_t len)
{
+#ifndef __NR_fallocate
return INLINE_SYSCALL (fallocate, 6, fd, mode,
__LONG_LONG_PAIR ((long int) (offset >> 32),
(long int) offset),
__LONG_LONG_PAIR ((long int) (len >> 32),
(long int) len));
+#else
+ __set_errno (ENOSYS);
+ return -1;
+#endif
}
diff --git a/sysdeps/unix/sysv/linux/getsysstats.c b/sysdeps/unix/sysv/linux/getsysstats.c
index 28f52c0463..97e20d249b 100644
--- a/sysdeps/unix/sysv/linux/getsysstats.c
+++ b/sysdeps/unix/sysv/linux/getsysstats.c
@@ -93,15 +93,42 @@ next_line (int fd, char *const buffer, char **cp, char **re,
return NULL;
*re += n;
+
+ nl = memchr (*cp, '\n', *re - *cp);
+ while (nl == NULL && *re == buffer_end)
+ {
+ /* Truncate too long lines. */
+ *re = buffer + 3 * (buffer_end - buffer) / 4;
+ n = read_not_cancel (fd, *re, buffer_end - *re);
+ if (n < 0)
+ return NULL;
+
+ nl = memchr (*re, '\n', n);
+ **re = '\n';
+ *re += n;
+ }
}
+ else
+ nl = memchr (*cp, '\n', *re - *cp);
res = *cp;
- nl = memchr (*cp, '\n', *re - *cp);
}
if (nl == NULL)
nl = *re - 1;
}
+ else if (nl + 5 >= *re)
+ {
+ memmove (buffer, nl, *re - nl);
+ *re = buffer + (*re - nl);
+ nl = *cp = buffer;
+
+ ssize_t n = read_not_cancel (fd, *re, buffer_end - *re);
+ if (n < 0)
+ return NULL;
+
+ *re += n;
+ }
*cp = nl + 1;
assert (*cp <= *re);
@@ -115,8 +142,9 @@ __get_nprocs ()
{
/* XXX Here will come a test for the new system call. */
- char buffer[8192];
- char *const buffer_end = buffer + sizeof (buffer);
+ const size_t buffer_size = __libc_use_alloca (8192) ? 8192 : 512;
+ char *buffer = alloca (buffer_size);
+ char *buffer_end = buffer + buffer_size;
char *cp = buffer_end;
char *re = buffer_end;
int result = 1;
@@ -134,7 +162,11 @@ __get_nprocs ()
char *l;
while ((l = next_line (fd, buffer, &cp, &re, buffer_end)) != NULL)
- if (strncmp (l, "cpu", 3) == 0 && isdigit (l[3]))
+ /* The current format of /proc/stat has all the cpu* entries
+ at the front. We assume here that stays this way. */
+ if (strncmp (l, "cpu", 3) != 0)
+ break;
+ else if (isdigit (l[3]))
++result;
close_not_cancel_no_status (fd);
diff --git a/sysdeps/x86_64/add_n.S b/sysdeps/x86_64/add_n.S
new file mode 100644
index 0000000000..7883f6c840
--- /dev/null
+++ b/sysdeps/x86_64/add_n.S
@@ -0,0 +1,42 @@
+/* Add two limb vectors of the same length > 0 and store sum in a third
+ limb vector.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU MP Library.
+
+ The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY (__mpn_add_n)
+ leaq (%rsi,%rcx,8), %rsi
+ leaq (%rdi,%rcx,8), %rdi
+ leaq (%rdx,%rcx,8), %rdx
+ negq %rcx
+ xorl %eax, %eax # clear cy
+ .p2align 2
+L(loop):
+ movq (%rsi,%rcx,8), %rax
+ movq (%rdx,%rcx,8), %r10
+ adcq %r10, %rax
+ movq %rax, (%rdi,%rcx,8)
+ incq %rcx
+ jne L(loop)
+ movq %rcx, %rax # zero %rax
+ adcq %rax, %rax
+ ret
+END (__mpn_add_n)
diff --git a/sysdeps/x86_64/addmul_1.S b/sysdeps/x86_64/addmul_1.S
new file mode 100644
index 0000000000..bdb5226a33
--- /dev/null
+++ b/sysdeps/x86_64/addmul_1.S
@@ -0,0 +1,46 @@
+/* AMD64 __mpn_addmul_1 -- Multiply a limb vector with a limb and add
+ the result to a second limb vector.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU MP Library.
+
+ The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY (__mpn_addmul_1)
+ movq %rdx, %r11
+ leaq (%rsi,%rdx,8), %rsi
+ leaq (%rdi,%rdx,8), %rdi
+ negq %r11
+ xorl %r8d, %r8d
+ xorl %r10d, %r10d
+ .p2align 2
+L(loop):
+ movq (%rsi,%r11,8), %rax
+ mulq %rcx
+ addq (%rdi,%r11,8), %rax
+ adcq %r10, %rdx
+ addq %r8, %rax
+ movq %r10, %r8
+ movq %rax, (%rdi,%r11,8)
+ adcq %rdx, %r8
+ incq %r11
+ jne L(loop)
+ movq %r8, %rax
+ ret
+END (__mpn_addmul_1)
diff --git a/sysdeps/x86_64/lshift.S b/sysdeps/x86_64/lshift.S
new file mode 100644
index 0000000000..5ac66f0a36
--- /dev/null
+++ b/sysdeps/x86_64/lshift.S
@@ -0,0 +1,60 @@
+/* AMD64 __mpn_lshift --
+ Copyright 2004, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU MP Library.
+
+ The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+ .text
+ENTRY (__mpn_lshift)
+ movq -8(%rsi,%rdx,8), %mm7
+ movd %ecx, %mm1
+ movl $64, %eax
+ subl %ecx, %eax
+ movd %eax, %mm0
+ movq %mm7, %mm3
+ psrlq %mm0, %mm7
+ movd %mm7, %rax
+ subq $2, %rdx
+ jl L(endo)
+ .p2align 2
+L(loop):
+ movq (%rsi,%rdx,8), %mm6
+ movq %mm6, %mm2
+ psrlq %mm0, %mm6
+ psllq %mm1, %mm3
+ por %mm6, %mm3
+ movq %mm3, 8(%rdi,%rdx,8)
+ je L(ende)
+ movq -8(%rsi,%rdx,8), %mm7
+ movq %mm7, %mm3
+ psrlq %mm0, %mm7
+ psllq %mm1, %mm2
+ por %mm7, %mm2
+ movq %mm2, (%rdi,%rdx,8)
+ subq $2, %rdx
+ jge L(loop)
+L(endo):
+ movq %mm3, %mm2
+L(ende):
+ psllq %mm1, %mm2
+ movq %mm2, (%rdi)
+ emms
+ ret
+END (__mpn_lshift)
diff --git a/sysdeps/x86_64/mp_clz_tab.c b/sysdeps/x86_64/mp_clz_tab.c
new file mode 100644
index 0000000000..7b13a394da
--- /dev/null
+++ b/sysdeps/x86_64/mp_clz_tab.c
@@ -0,0 +1 @@
+/* __clz_tab not needed on x86-64. */
diff --git a/sysdeps/x86_64/mul_1.S b/sysdeps/x86_64/mul_1.S
new file mode 100644
index 0000000000..978916b72c
--- /dev/null
+++ b/sysdeps/x86_64/mul_1.S
@@ -0,0 +1,42 @@
+/* AMD64 __mpn_mul_1 -- Multiply a limb vector with a limb and store
+ the result in a second limb vector.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU MP Library.
+
+ The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+#include <sysdep.h>
+#include "asm-syntax.h"
+
+ .text
+ENTRY (__mpn_mul_1)
+ movq %rdx, %r11
+ leaq (%rsi,%rdx,8), %rsi
+ leaq (%rdi,%rdx,8), %rdi
+ negq %r11
+ xorl %r8d, %r8d
+L(loop):
+ movq (%rsi,%r11,8), %rax
+ mulq %rcx
+ addq %r8, %rax
+ movl $0, %r8d
+ adcq %rdx, %r8
+ movq %rax, (%rdi,%r11,8)
+ incq %r11
+ jne L(loop)
+ movq %r8, %rax
+ ret
+END (__mpn_mul_1)
diff --git a/sysdeps/x86_64/rshift.S b/sysdeps/x86_64/rshift.S
new file mode 100644
index 0000000000..ee0c8aa15c
--- /dev/null
+++ b/sysdeps/x86_64/rshift.S
@@ -0,0 +1,62 @@
+/* AMD64 __mpn_rshift --
+ Copyright (C) 2004, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU MP Library.
+
+ The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY (__mpn_rshift)
+ movq (%rsi), %mm7
+ movd %ecx, %mm1
+ movl $64, %eax
+ subl %ecx, %eax
+ movd %eax, %mm0
+ movq %mm7, %mm3
+ psllq %mm0, %mm7
+ movd %mm7, %rax
+ leaq (%rsi,%rdx,8), %rsi
+ leaq (%rdi,%rdx,8), %rdi
+ negq %rdx
+ addq $2, %rdx
+ jg L(endo)
+ .p2align 2
+L(loop):
+ movq -8(%rsi,%rdx,8), %mm6
+ movq %mm6, %mm2
+ psllq %mm0, %mm6
+ psrlq %mm1, %mm3
+ por %mm6, %mm3
+ movq %mm3, -16(%rdi,%rdx,8)
+ je L(ende)
+ movq (%rsi,%rdx,8), %mm7
+ movq %mm7, %mm3
+ psllq %mm0, %mm7
+ psrlq %mm1, %mm2
+ por %mm7, %mm2
+ movq %mm2, -8(%rdi,%rdx,8)
+ addq $2, %rdx
+ jle L(loop)
+L(endo):
+ movq %mm3, %mm2
+L(ende):
+ psrlq %mm1, %mm2
+ movq %mm2, -8(%rdi)
+ emms
+ ret
+END (__mpn_rshift)
diff --git a/sysdeps/x86_64/sub_n.S b/sysdeps/x86_64/sub_n.S
new file mode 100644
index 0000000000..48e1a2e0f4
--- /dev/null
+++ b/sysdeps/x86_64/sub_n.S
@@ -0,0 +1,42 @@
+/* AMD64 __mpn_sub_n -- Add two limb vectors of the same length > 0 and store
+ sum in a third limb vector.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU MP Library.
+
+ The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY (__mpn_sub_n)
+ leaq (%rsi,%rcx,8), %rsi
+ leaq (%rdi,%rcx,8), %rdi
+ leaq (%rdx,%rcx,8), %rdx
+ negq %rcx
+ xorl %eax, %eax # clear cy
+ .p2align 2
+L(loop):
+ movq (%rsi,%rcx,8), %rax
+ movq (%rdx,%rcx,8), %r10
+ sbbq %r10, %rax
+ movq %rax, (%rdi,%rcx,8)
+ incq %rcx
+ jne L(loop)
+ movq %rcx, %rax # zero %rax
+ adcq %rax, %rax
+ ret
+END (__mpn_sub_n)
diff --git a/sysdeps/x86_64/submul_1.S b/sysdeps/x86_64/submul_1.S
new file mode 100644
index 0000000000..e94c9a7bee
--- /dev/null
+++ b/sysdeps/x86_64/submul_1.S
@@ -0,0 +1,46 @@
+/* AMD64 __mpn_submul_1 -- Multiply a limb vector with a limb and subtract
+ the result from a second limb vector.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU MP Library.
+
+ The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY (__mpn_submul_1)
+ movq %rdx, %r11
+ leaq (%rsi,%r11,8), %rsi
+ leaq (%rdi,%r11,8), %rdi
+ negq %r11
+ xorl %r8d, %r8d
+ .p2align 3
+L(loop):
+ movq (%rsi,%r11,8), %rax
+ movq (%rdi,%r11,8), %r10
+ mulq %rcx
+ subq %r8, %r10
+ movl $0, %r8d
+ adcl %r8d, %r8d
+ subq %rax, %r10
+ adcq %rdx, %r8
+ movq %r10, (%rdi,%r11,8)
+ incq %r11
+ jne L(loop)
+ movq %r8, %rax
+ ret
+END (__mpn_submul_1)
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-28 07:14:46 +0000