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Diffstat (limited to 'gcc/ada/libgnat/g-memdum.ads')
| -rw-r--r-- | gcc/ada/libgnat/g-memdum.ads | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/gcc/ada/libgnat/g-memdum.ads b/gcc/ada/libgnat/g-memdum.ads new file mode 100644 index 00000000000..31503762c92 --- /dev/null +++ b/gcc/ada/libgnat/g-memdum.ads @@ -0,0 +1,77 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- G N A T . M E M O R Y _ D U M P -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2003-2017, AdaCore -- +-- -- +-- 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. -- +-- -- +------------------------------------------------------------------------------ + +-- A routine for dumping memory to either standard output or standard error. +-- Uses GNAT.IO for actual output (use the controls in GNAT.IO to specify +-- the destination of the output, which by default is Standard_Output). + +with System; + +package GNAT.Memory_Dump is + pragma Preelaborate; + + type Prefix_Type is (Absolute_Address, Offset, None); + + procedure Dump + (Addr : System.Address; + Count : Natural); + -- Dumps indicated number (Count) of bytes, starting at the address given + -- by Addr. The coding of this routine in its current form assumes the case + -- of a byte addressable machine (and is therefore inapplicable to machines + -- like the AAMP, where the storage unit is not 8 bits). The output is one + -- or more lines in the following format, which is for the case of 32-bit + -- addresses (64-bit addresses are handled appropriately): + -- + -- 0234_3368: 66 67 68 . . . 73 74 75 "fghijklmnopqstuv" + -- + -- All but the last line have 16 bytes. A question mark is used in the + -- string data to indicate a non-printable character. + + procedure Dump + (Addr : System.Address; + Count : Natural; + Prefix : Prefix_Type); + -- Same as above, but allows the selection of different line formats. + -- If Prefix is set to Absolute_Address, the output is identical to the + -- above version, each line starting with the absolute address of the + -- first dumped storage element. + -- + -- If Prefix is set to Offset, then instead each line starts with the + -- indication of the offset relative to Addr: + -- + -- 00: 66 67 68 . . . 73 74 75 "fghijklmnopqstuv" + -- + -- Finally if Prefix is set to None, the prefix is suppressed altogether, + -- and only the memory contents are displayed: + -- + -- 66 67 68 . . . 73 74 75 "fghijklmnopqstuv" + +end GNAT.Memory_Dump; |