* [Ada] Fix spurious use of trampolines with interface types
@ 2022-06-02 9:09 Pierre-Marie de Rodat
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From: Pierre-Marie de Rodat @ 2022-06-02 9:09 UTC (permalink / raw)
To: gcc-patches; +Cc: Eric Botcazou
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Function pointers must always be built with '[Unrestricted_]Access.
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* exp_ch3.adb (Init_Secondary_Tags.Initialize_Tag): Initialize the
Offset_Func component by means of 'Unrestricted_Access.
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diff --git a/gcc/ada/exp_ch3.adb b/gcc/ada/exp_ch3.adb
--- a/gcc/ada/exp_ch3.adb
+++ b/gcc/ada/exp_ch3.adb
@@ -9506,7 +9506,7 @@ package body Exp_Ch3 is
-- Prim_T => Typ'Tag,
-- Interface_T => Iface'Tag,
-- Offset_Value => n,
- -- Offset_Func => Fn'Address)
+ -- Offset_Func => Fn'Unrestricted_Access)
Append_To (Stmts_List,
Make_Procedure_Call_Statement (Loc,
@@ -9541,7 +9541,7 @@ package body Exp_Ch3 is
Make_Attribute_Reference (Loc,
Prefix => New_Occurrence_Of
(DT_Offset_To_Top_Func (Tag_Comp), Loc),
- Attribute_Name => Name_Address)))));
+ Attribute_Name => Name_Unrestricted_Access)))));
-- In this case the next component stores the value of the offset
-- to the top.
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2022-06-02 9:09 [Ada] Fix spurious use of trampolines with interface types Pierre-Marie de Rodat
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