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author | Jing Yu <jingyu@google.com> | 2009-11-05 15:11:04 -0800 |
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committer | Jing Yu <jingyu@google.com> | 2009-11-05 15:11:04 -0800 |
commit | df62c1c110e8532b995b23540b7e3695729c0779 (patch) | |
tree | dbbd4cbdb50ac38011e058a2533ee4c3168b0205 /gcc-4.2.1/gcc/ada/s-parame.adb | |
parent | 8d401cf711539af5a2f78d12447341d774892618 (diff) | |
download | toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.gz toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.bz2 toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.zip |
Check in gcc sources for prebuilt toolchains in Eclair.
Diffstat (limited to 'gcc-4.2.1/gcc/ada/s-parame.adb')
-rw-r--r-- | gcc-4.2.1/gcc/ada/s-parame.adb | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/ada/s-parame.adb b/gcc-4.2.1/gcc/ada/s-parame.adb new file mode 100644 index 000000000..67b0d4fb0 --- /dev/null +++ b/gcc-4.2.1/gcc/ada/s-parame.adb @@ -0,0 +1,80 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S Y S T E M . P A R A M E T E R S -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1995-2005, Free Software Foundation, Inc. -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 2, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- +-- Boston, MA 02110-1301, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This is the default (used on all native platforms) version of this package + +package body System.Parameters is + + ------------------------- + -- Adjust_Storage_Size -- + ------------------------- + + function Adjust_Storage_Size (Size : Size_Type) return Size_Type is + begin + if Size = Unspecified_Size then + return Default_Stack_Size; + elsif Size < Minimum_Stack_Size then + return Minimum_Stack_Size; + else + return Size; + end if; + end Adjust_Storage_Size; + + ------------------------ + -- Default_Stack_Size -- + ------------------------ + + function Default_Stack_Size return Size_Type is + Default_Stack_Size : Integer; + pragma Import (C, Default_Stack_Size, "__gl_default_stack_size"); + begin + if Default_Stack_Size = -1 then + return 2 * 1024 * 1024; + else + return Size_Type (Default_Stack_Size); + end if; + end Default_Stack_Size; + + ------------------------ + -- Minimum_Stack_Size -- + ------------------------ + + function Minimum_Stack_Size return Size_Type is + begin + -- 12K is required for stack-checking to work reliably on most platforms + -- when using the GCC scheme to propagate an exception in the ZCX case. + + return 12 * 1024; + end Minimum_Stack_Size; + +end System.Parameters; |