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Diffstat (limited to 'gcc-4.4.3/gcc/ada/s-scaval.ads')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/s-scaval.ads | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/gcc-4.4.3/gcc/ada/s-scaval.ads b/gcc-4.4.3/gcc/ada/s-scaval.ads deleted file mode 100644 index 9ebbd50bb..000000000 --- a/gcc-4.4.3/gcc/ada/s-scaval.ads +++ /dev/null @@ -1,93 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- S Y S T E M . S C A L A R _ V A L U E S -- --- -- --- S p e c -- --- -- --- Copyright (C) 2001-2009, 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 3, 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. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - --- This package defines the constants used for initializing scalar values --- when pragma Initialize_Scalars is used. The actual values are defined --- in the binder generated file. This package contains the Ada names that --- are used by the generated code, which are linked to the actual values --- by the use of pragma Import. - -package System.Scalar_Values is - - -- Note: logically this package should be Pure since it can be accessed - -- from pure units, but the IS_xxx variables below get set at run time, - -- so they have to be library level variables. In fact we only ever - -- access this from generated code, and the compiler knows that it is - -- OK to access this unit from generated code. - - type Byte1 is mod 2 ** 8; - type Byte2 is mod 2 ** 16; - type Byte4 is mod 2 ** 32; - type Byte8 is mod 2 ** 64; - - -- The explicit initializations here are not really required, since these - -- variables are always set by System.Scalar_Values.Initialize. - - IS_Is1 : Byte1 := 0; -- Initialize 1 byte signed - IS_Is2 : Byte2 := 0; -- Initialize 2 byte signed - IS_Is4 : Byte4 := 0; -- Initialize 4 byte signed - IS_Is8 : Byte8 := 0; -- Initialize 8 byte signed - -- For the above cases, the undefined value (set by the binder -Sin switch) - -- is the largest negative number (1 followed by all zero bits). - - IS_Iu1 : Byte1 := 0; -- Initialize 1 byte unsigned - IS_Iu2 : Byte2 := 0; -- Initialize 2 byte unsigned - IS_Iu4 : Byte4 := 0; -- Initialize 4 byte unsigned - IS_Iu8 : Byte8 := 0; -- Initialize 8 byte unsigned - -- For the above cases, the undefined value (set by the binder -Sin switch) - -- is the largest unsigned number (all 1 bits). - - IS_Iz1 : Byte1 := 0; -- Initialize 1 byte zeroes - IS_Iz2 : Byte2 := 0; -- Initialize 2 byte zeroes - IS_Iz4 : Byte4 := 0; -- Initialize 4 byte zeroes - IS_Iz8 : Byte8 := 0; -- Initialize 8 byte zeroes - -- For the above cases, the undefined value (set by the binder -Sin switch) - -- is the zero (all 0 bits). This is used when zero is known to be an - -- invalid value. - - -- The float definitions are aliased, because we use overlays to set them - - IS_Isf : aliased Short_Float := 0.0; -- Initialize short float - IS_Ifl : aliased Float := 0.0; -- Initialize float - IS_Ilf : aliased Long_Float := 0.0; -- Initialize long float - IS_Ill : aliased Long_Long_Float := 0.0; -- Initialize long long float - - procedure Initialize (Mode1 : Character; Mode2 : Character); - -- This procedure is called from the binder when Initialize_Scalars mode - -- is active. The arguments are the two characters from the -S switch, - -- with letters forced upper case. So for example if -S5a is given, then - -- Mode1 will be '5' and Mode2 will be 'A'. If the parameters are EV, - -- then this routine reads the environment variable GNAT_INIT_SCALARS. - -- The possible settings are the same as those for the -S switch (except - -- for EV), i.e. IN/LO/HO/xx, xx = 2 hex digits. If no -S switch is given - -- then the default of IN (invalid values) is passed on the call. - -end System.Scalar_Values; |