aboutsummaryrefslogtreecommitdiffstats
path: root/src/translate/ghdldrv/foreigns.adb
diff options
context:
space:
mode:
Diffstat (limited to 'src/translate/ghdldrv/foreigns.adb')
-rw-r--r--src/translate/ghdldrv/foreigns.adb64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/translate/ghdldrv/foreigns.adb b/src/translate/ghdldrv/foreigns.adb
new file mode 100644
index 000000000..15e3dd009
--- /dev/null
+++ b/src/translate/ghdldrv/foreigns.adb
@@ -0,0 +1,64 @@
+with Interfaces.C; use Interfaces.C;
+
+package body Foreigns is
+ function Sin (Arg : double) return double;
+ pragma Import (C, Sin);
+
+ function Log (Arg : double) return double;
+ pragma Import (C, Log);
+
+ function Exp (Arg : double) return double;
+ pragma Import (C, Exp);
+
+ function Sqrt (Arg : double) return double;
+ pragma Import (C, Sqrt);
+
+ function Asin (Arg : double) return double;
+ pragma Import (C, Asin);
+
+ function Acos (Arg : double) return double;
+ pragma Import (C, Acos);
+
+ function Asinh (Arg : double) return double;
+ pragma Import (C, Asinh);
+
+ function Acosh (Arg : double) return double;
+ pragma Import (C, Acosh);
+
+ function Atanh (X : double) return double;
+ pragma Import (C, Atanh);
+
+ function Atan2 (X, Y : double) return double;
+ pragma Import (C, Atan2);
+
+ type String_Cacc is access constant String;
+ type Foreign_Record is record
+ Name : String_Cacc;
+ Addr : Address;
+ end record;
+
+
+ Foreign_Arr : constant array (Natural range <>) of Foreign_Record :=
+ (
+ (new String'("sin"), Sin'Address),
+ (new String'("log"), Log'Address),
+ (new String'("exp"), Exp'Address),
+ (new String'("sqrt"), Sqrt'Address),
+ (new String'("asin"), Asin'Address),
+ (new String'("acos"), Acos'Address),
+ (new String'("asinh"), Asinh'Address),
+ (new String'("acosh"), Acosh'Address),
+ (new String'("atanh"), Atanh'Address),
+ (new String'("atan2"), Atan2'Address)
+ );
+
+ function Find_Foreign (Name : String) return Address is
+ begin
+ for I in Foreign_Arr'Range loop
+ if Foreign_Arr(I).Name.all = Name then
+ return Foreign_Arr(I).Addr;
+ end if;
+ end loop;
+ return Null_Address;
+ end Find_Foreign;
+end Foreigns;