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exp_dbug.ads: Update documentation to reflect simpler encoding for protected operations. 

* exp_dbug.ads: Update documentation to reflect simpler encoding for
	protected operations.

	* exp_ch9.adb (Build_Selected_Name): Do not include "PT" suffix in
	generated name, it complicates decoding in gdb and hinders debugging
	of protected operations.
	(Build_Barrier_Function_Specification): Set the Needs_Debug_Info
	flag for the protected entry barrier function.
	(Build_Protected_Entry_Specification): Set the Needs_Debug_Info
	flag for the protected entry function.

From-SVN: r90907
This commit is contained in:
Arnaud Charlet 2004-11-19 11:57:36 +01:00
parent ffe9aba812
commit 3231074797
2 changed files with 19 additions and 20 deletions
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23
gcc/ada/exp_ch9.adb
View File

@ -187,13 +187,12 @@ package body Exp_Ch9 is
Append_Char : Character := ' ') return Name_Id;
-- Build a name in the form of Prefix__Selector, with an optional
-- character appended. This is used for internal subprograms generated
-- for operations of protected types, including barrier functions. In
-- order to simplify the work of the debugger, the prefix includes the
-- characters PT. For the subprograms generated for entry bodies and
-- entry barriers, the generated name includes a sequence number that
-- makes names unique in the presence of entry overloading. This is
-- necessary because entry body procedures and barrier functions all
-- have the same signature.
-- for operations of protected types, including barrier functions.
-- For the subprograms generated for entry bodies and entry barriers,
-- the generated name includes a sequence number that makes names
-- unique in the presence of entry overloading. This is necessary
-- because entry body procedures and barrier functions all have the
-- same signature.
procedure Build_Simple_Entry_Call
(N : Node_Id;
@ -799,6 +798,7 @@ package body Exp_Ch9 is
Loc : Source_Ptr) return Node_Id
is
begin
Set_Needs_Debug_Info (Def_Id);
return Make_Function_Specification (Loc,
Defining_Unit_Name => Def_Id,
Parameter_Specifications => New_List (
@ -1395,6 +1395,7 @@ package body Exp_Ch9 is
P : Entity_Id;
begin
Set_Needs_Debug_Info (Def_Id);
P := Make_Defining_Identifier (Loc, Name_uP);
if Present (Ent_Id) then
@ -1911,12 +1912,10 @@ package body Exp_Ch9 is
Name_Len := Name_Len - 1;
end if;
Name_Buffer (Name_Len + 1) := 'P';
Name_Buffer (Name_Len + 2) := 'T';
Name_Buffer (Name_Len + 3) := '_';
Name_Buffer (Name_Len + 4) := '_';
Name_Buffer (Name_Len + 1) := '_';
Name_Buffer (Name_Len + 2) := '_';
Name_Len := Name_Len + 4;
Name_Len := Name_Len + 2;
for J in 1 .. Select_Len loop
Name_Len := Name_Len + 1;
Name_Buffer (Name_Len) := Select_Buffer (J);

16
gcc/ada/exp_dbug.ads
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@ -354,8 +354,8 @@ package Exp_Dbug is
-- calls from other operations on the same object. The locking operation
-- simply acquires the lock, and then calls the non-locking version.
-- The names of all of these have a prefix constructed from the name of
-- the type, the string "PT", and a suffix which is P or N, depending on
-- whether this is the protected/non-locking version of the operation.
-- the type, and a suffix which is P or N, depending on whether this is
-- the protected/non-locking version of the operation.
-- Operations generated for protected entries follow the same encoding.
-- Each entry results in two suprograms: a procedure that holds the
@ -376,14 +376,14 @@ package Exp_Dbug is
-- the following operations are created:
-- lockPT_getN
-- lockPT_getP,
-- lock_getN
-- lock_getP,
-- lockPT_setN
-- lockPT_setP
-- lock_setN
-- lock_setP
-- lockPT_update1sE
-- lockPT_udpate2sB
-- lock_update1sE
-- lock_udpate2sB
----------------------------------------------------
-- Conversion between Entities and External Names --