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authorcharlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4>2003-12-15 11:51:01 +0000
committercharlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4>2003-12-15 11:51:01 +0000
commit9e0ecfab1d8fa100f78d23060cd15b5c34a449a7 (patch)
tree1a02b34983bc3ac002967364fb841e53d5f9fc47 /gcc/ada/s-memcop.ads
parentc974e0ffe8c1ecfaafef45dc8a723120fbe469ee (diff)
downloadgcc-9e0ecfab1d8fa100f78d23060cd15b5c34a449a7.tar.gz
2003-12-15 Robert Dewar <dewar@gnat.com>
* exp_ch6.adb (Expand_Thread_Body): Fix error in picking up default sec stack size. 2003-12-15 Vincent Celier <celier@gnat.com> * gnatchop.adb: (Error_Msg): Do not exit on error for a warning (Gnatchop): Do not set failure status when reporting the number of warnings. 2003-12-15 Doug Rupp <rupp@gnat.com> * s-ctrl.ads: New file. * Makefile.rtl (GNAT_RTL_NONTASKING_OBJS): Add s-crtl$(objext). * Make-lang.in: (GNAT_ADA_OBJS): Add ada/s-crtl.o. (GNATBIND_OBJS): Add ada/s-crtl.o. * Makefile.in [VMS]: Clean up ifeq rules. * gnatlink.adb, 6vcstrea.adb, a-direio.adb, a-sequio.adb, a-ststio.adb, a-textio.adb, g-os_lib.adb, a-witeio.adb, g-os_lib.ads, i-cstrea.adb, i-cstrea.ads, s-direio.adb, s-fileio.adb, s-memcop.ads, s-memory.adb, s-stache.adb, s-tasdeb.adb: Update copyright. Import System.CRTL. Make minor modifications to use System.CRTL declared functions instead of importing locally. 2003-12-15 GNAT Script <nobody@gnat.com> * Make-lang.in: Makefile automatically updated git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@74627 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada/s-memcop.ads')
-rw-r--r--gcc/ada/s-memcop.ads28
1 files changed, 13 insertions, 15 deletions
diff --git a/gcc/ada/s-memcop.ads b/gcc/ada/s-memcop.ads
index d71d48f17ca..f4d945487be 100644
--- a/gcc/ada/s-memcop.ads
+++ b/gcc/ada/s-memcop.ads
@@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
--- Copyright (C) 2001-2002 Free Software Foundation, Inc. --
+-- Copyright (C) 2001-2003 Free Software Foundation, Inc. --
-- --
-- This specification is derived from the Ada Reference Manual for use with --
-- GNAT. The copyright notice above, and the license provisions that follow --
@@ -35,24 +35,27 @@
-- --
------------------------------------------------------------------------------
--- This package provides general block copy mechanisms analgous to those
+-- This package provides general block copy mechanisms analogous to those
-- provided by the C routines memcpy and memmove allowing for copies with
--- and without possible overflow.
+-- and without possible overlap of the operands.
+
+-- The idea is to allow a configurable run-time to provide this capability
+-- for use by the compiler without dragging in C-run time routines.
+
+with System.CRTL;
+-- The above with is contrary to the intent ???
package System.Memory_Copy is
pragma Preelaborate;
- type size_t is mod 2 ** Standard'Address_Size;
- -- Note: the reason we redefine this here instead of using the
- -- definition in Interfaces.C is that we do not want to drag in
- -- all of Interfaces.C just because System.Memory_Copy is used.
-
- procedure memcpy (S1 : Address; S2 : Address; N : size_t);
+ procedure memcpy (S1 : Address; S2 : Address; N : System.CRTL.size_t)
+ renames System.CRTL.memcpy;
-- Copies N storage units from area starting at S2 to area starting
-- at S1 without any check for buffer overflow. The memory areas
-- must not overlap, or the result of this call is undefined.
- procedure memmove (S1 : Address; S2 : Address; N : size_t);
+ procedure memmove (S1 : Address; S2 : Address; N : System.CRTL.size_t)
+ renames System.CRTL.memmove;
-- Copies N storage units from area starting at S2 to area starting
-- at S1 without any check for buffer overflow. The difference between
-- this memmove and memcpy is that with memmove, the storage areas may
@@ -60,8 +63,6 @@ pragma Preelaborate;
-- is as if S2 is first moved to a temporary area, and then this area
-- is copied to S1 in a separate step).
-private
-
-- In the standard library, these are just interfaced to the C routines.
-- But in the HI-E (high integrity version) they may be reprogrammed to
-- meet certification requirements (and marked High_Integrity).
@@ -70,7 +71,4 @@ private
-- available, and the HI-E compiler will as a result generate implicit
-- loops (which will violate the restriction No_Implicit_Loops).
- pragma Import (C, memcpy, "memcpy");
- pragma Import (C, memmove, "memmove");
-
end System.Memory_Copy;