diff options
author | Roland McGrath <roland@hack.frob.com> | 2014-06-12 10:08:24 -0700 |
---|---|---|
committer | Roland McGrath <roland@hack.frob.com> | 2014-06-12 10:08:24 -0700 |
commit | f6b07b3d48eb1d28d033b2c342a8a5571dca2e18 (patch) | |
tree | b17d612816248611d12d049466a5b524d32f97a0 /sysdeps/i386/nptl/pthreaddef.h | |
parent | 45262aeedf2f56dcd3b30e37630ea85bb4f55603 (diff) | |
download | glibc-f6b07b3d48eb1d28d033b2c342a8a5571dca2e18.tar.gz glibc-f6b07b3d48eb1d28d033b2c342a8a5571dca2e18.tar.xz glibc-f6b07b3d48eb1d28d033b2c342a8a5571dca2e18.zip |
Move i386 code out of nptl/ subdirectory.
Diffstat (limited to 'sysdeps/i386/nptl/pthreaddef.h')
-rw-r--r-- | sysdeps/i386/nptl/pthreaddef.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/i386/nptl/pthreaddef.h b/sysdeps/i386/nptl/pthreaddef.h new file mode 100644 index 0000000000..bf00c00738 --- /dev/null +++ b/sysdeps/i386/nptl/pthreaddef.h @@ -0,0 +1,40 @@ +/* Copyright (C) 2002-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + 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, see + <http://www.gnu.org/licenses/>. */ + +/* Default stack size. */ +#define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024) + +/* Required stack pointer alignment at beginning. SSE requires 16 + bytes. */ +#define STACK_ALIGN 16 + +/* Minimal stack size after allocating thread descriptor and guard size. */ +#define MINIMAL_REST_STACK 2048 + +/* Alignment requirement for TCB. + + Some processors such as Intel Atom pay a big penalty on every + access using a segment override if that segment's base is not + aligned to the size of a cache line. (See Intel 64 and IA-32 + Architectures Optimization Reference Manual, section 13.3.3.3, + "Segment Base".) On such machines, a cache line is 64 bytes. */ +#define TCB_ALIGNMENT 64 + + +/* Location of current stack frame. */ +#define CURRENT_STACK_FRAME __builtin_frame_address (0) |