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ada: replace local runtime implementation with port

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Fixes #3044
This commit is contained in:
Johannes Kliemann 2018-11-15 17:46:33 +01:00 committed by Christian Helmuth
parent dee4d43eb9
commit eb7c367e25
23 changed files with 142 additions and 1424 deletions
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51
repos/libports/include/ada/exception.h
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@ -16,16 +16,47 @@
namespace Ada { namespace Ada {
namespace Exception { namespace Exception {
class Program_Error : Genode::Exception {}; class Undefined_Error : Genode::Exception {};
class Constraint_Error : Genode::Exception {};
class Storage_Error : Genode::Exception {};
class Length_Check : Constraint_Error {}; class Program_Error : Genode::Exception {};
class Overflow_Check : Constraint_Error {}; class Constraint_Error : Genode::Exception {};
class Invalid_Data : Constraint_Error {}; class Storage_Error : Genode::Exception {};
class Range_Check : Constraint_Error {};
class Index_Check : Constraint_Error {}; class Access_Check : Constraint_Error {};
class Discriminant_Check : Constraint_Error {}; class Null_Access_Parameter : Constraint_Error {};
class Divide_By_Zero : Constraint_Error {}; class Discriminant_Check : Constraint_Error {};
class Divide_By_Zero : Constraint_Error {};
class Index_Check : Constraint_Error {};
class Invalid_Data : Constraint_Error {};
class Length_Check : Constraint_Error {};
class Null_Exception_Id : Constraint_Error {};
class Null_Not_Allowed : Constraint_Error {};
class Overflow_Check : Constraint_Error {};
class Partition_Check : Constraint_Error {};
class Range_Check : Constraint_Error {};
class Tag_Check : Constraint_Error {};
class Access_Before_Elaboration : Program_Error {};
class Accessibility_Check : Program_Error {};
class Address_Of_Intrinsic : Program_Error {};
class Aliased_Parameters : Program_Error {};
class All_Guards_Closed : Program_Error {};
class Bad_Predicated_Generic_Type : Program_Error {};
class Current_Task_In_Entry_Body : Program_Error {};
class Duplicated_Entry_Address : Program_Error {};
class Implicit_Return : Program_Error {};
class Misaligned_Address_Value : Program_Error {};
class Missing_Return : Program_Error {};
class Overlaid_Controlled_Object : Program_Error {};
class Non_Transportable_Actual : Program_Error {};
class Potentially_Blocking_Operation : Program_Error {};
class Stream_Operation_Not_Allowed : Program_Error {};
class Stubbed_Subprogram_Called : Program_Error {};
class Unchecked_Union_Restriction : Program_Error {};
class Finalize_Raised_Exception : Program_Error {};
class Empty_Storage_Pool : Storage_Error {};
class Infinite_Recursion : Storage_Error {};
class Object_Too_Large : Storage_Error {};
} }
} }

48
repos/libports/lib/mk/ada.mk
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@ -4,30 +4,50 @@ include $(REP_DIR)/lib/mk/ada.inc
ADALIB = $(ADA_RTS)/adalib ADALIB = $(ADA_RTS)/adalib
ADAINCLUDE = $(ADA_RTS)/adainclude ADAINCLUDE = $(ADA_RTS)/adainclude
PACKAGES = system s-stoele s-secsta a-except s-conca2 s-arit64 ADA_RTS_SOURCE = $(call select_from_ports,ada-runtime)/ada-runtime/contrib/gcc-6.3.0
ADA_RUNTIME_DIR = $(call select_from_ports,ada-runtime)/ada-runtime/src
ADA_RUNTIME_LIB_DIR = $(call select_from_ports,ada-runtime)/ada-runtime/src/lib
ADA_RUNTIME_PLATFORM_DIR = $(call select_from_ports,ada-runtime)/ada-runtime/platform
body_exists := $(filter $1.adb,$(shell if [ -e $2/$1.adb ]; then echo $1.adb; fi)) SRC_ADS += system.ads \
s-soflin.ads \
SRC_ADS += $(foreach package, $(PACKAGES), $(package).ads) s-imgint.ads \
SRC_ADB += $(foreach package, $(PACKAGES), $(body_exists, $(package), $(ADA_RTS_SOURCE))) s-stoele.ads \
SRC_ADB += $(foreach package, $(PACKAGES), $(body_exists, $(package), $(REP_DIR)/src/lib/ada/runtime)) s-secsta.ads \
interfac.ads \
a-except.ads
CUSTOM_ADA_MAKE = $(CC) CUSTOM_ADA_MAKE = $(CC)
CUSTOM_ADA_FLAGS = -c -gnatg -gnatp -gnatpg -gnatn2 CUSTOM_ADA_FLAGS = -c -gnatg -gnatp -gnatpg -gnatn2
CUSTOM_ADA_OPT = $(CC_ADA_OPT) CUSTOM_ADA_OPT = $(CC_ADA_OPT)
CUSTOM_ADA_INCLUDE = -I- -I$(REP_DIR)/src/lib/ada/runtime -I$(ADA_RTS_SOURCE) -I$(REP_DIR)/src/lib/ada/runtimelib CUSTOM_ADA_INCLUDE = -I- -I$(ADA_RUNTIME_DIR) -I$(ADA_RTS_SOURCE) -I$(ADA_RUNTIME_LIB_DIR)
# pure C runtime implementations INC_DIR += $(ADA_RUNTIME_LIB_DIR)
SRC_CC += a-except_c.cc s-soflin_c.cc a-exctab_c.cc
# C runtime glue code # C runtime glue code
SRC_CC += s-secsta_c.cc libc.cc SRC_CC += genode.cc
# Ada packages that implement runtime functionality # Ada packages that implement runtime functionality
SRC_ADB += ss_utils.adb SRC_ADB += ss_utils.adb string_utils.adb platform.adb
vpath %.cc $(REP_DIR)/src/lib/ada/runtimelib vpath %.cc $(ADA_RUNTIME_PLATFORM_DIR)
vpath %.adb $(REP_DIR)/src/lib/ada/runtime $(ADA_RTS_SOURCE) $(REP_DIR)/src/lib/ada/runtimelib
vpath %.ads $(REP_DIR)/src/lib/ada/runtime $(ADA_RTS_SOURCE) vpath system.ads $(ADA_RTS_SOURCE)
vpath s-soflin.ads $(ADA_RUNTIME_DIR)
vpath s-stoele.ads $(ADA_RTS_SOURCE)
vpath s-secsta.ads $(ADA_RUNTIME_DIR)
vpath s-imgint.ads $(ADA_RTS_SOURCE)
vpath a-except.ads $(ADA_RUNTIME_DIR)
vpath interfac.ads $(ADA_RTS_SOURCE)
vpath s-stoele.adb $(ADA_RTS_SOURCE)
vpath s-secsta.adb $(ADA_RUNTIME_DIR)
vpath s-soflin.adb $(ADA_RUNTIME_DIR)
vpath s-imgint.adb $(ADA_RTS_SOURCE)
vpath a-except.adb $(ADA_RUNTIME_DIR)
vpath platform.% $(ADA_RUNTIME_LIB_DIR)
vpath string_utils.% $(ADA_RUNTIME_LIB_DIR)
vpath ss_utils.% $(ADA_RUNTIME_LIB_DIR)
SHARED_LIB = yes SHARED_LIB = yes

1
repos/libports/ports/ada-runtime.hash Normal file
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@ -0,0 +1 @@
1898150e6e4544954634733a2384674b0193d4fd

7
repos/libports/ports/ada-runtime.port Normal file
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@ -0,0 +1,7 @@
LICENSE := AGPLv3
VERSION := 0
DOWNLOADS := ada-runtime.git
URL(ada-runtime) := https://github.com/Componolit/ada-runtime.git
REV(ada-runtime) := 82e4df4ed4ae73b9e391dc250d25a524d69a7598
DIR(ada-runtime) := ada-runtime

65
repos/libports/recipes/api/ada/content.mk
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@ -1,4 +1,38 @@
PORT_DIR := $(call port_dir,$(GENODE_DIR)/repos/ports/ports/gcc) ADA_RT_DIR := $(call port_dir,$(GENODE_DIR)/repos/libports/ports/ada-runtime)
MIRROR_FROM_ADA_RT_DIR := \
$(addprefix ada-runtime/contrib/gcc-6.3.0/,\
ada.ads \
system.ads \
s-stoele.ads \
a-unccon.ads \
)\
$(addprefix ada-runtime/src/,\
s-stalib.ads \
a-except.ads \
s-secsta.ads \
s-parame.ads \
s-soflin.ads \
)\
$(addprefix ada-runtime/src/lib/,\
ss_utils.ads \
)
# $(addprefix ada-runtime/src/,\
s-stache.ads \
s-conca2.ads \
s-arit64.ads \
)\
$(addprefix ada-runtime/contrib/gcc-6.3.0/,\
interfac.ads \
system.ads \
)
content: $(MIRROR_FROM_ADA_RT_DIR)
$(MIRROR_FROM_ADA_RT_DIR):
mkdir -p src/noux-pkg/gcc/gcc/ada/
cp -r $(ADA_RT_DIR)/$@ src/noux-pkg/gcc/gcc/ada/
MIRROR_FROM_REP_DIR := \ MIRROR_FROM_REP_DIR := \
lib/import/import-ada.mk \ lib/import/import-ada.mk \
@ -10,35 +44,8 @@ content: $(MIRROR_FROM_REP_DIR)
$(MIRROR_FROM_REP_DIR): $(MIRROR_FROM_REP_DIR):
$(mirror_from_rep_dir) $(mirror_from_rep_dir)
content: LICENSE
LICENSE:
cp $(PORT_DIR)/src/noux-pkg/gcc/gcc/COPYING $@
MIRROR_FROM_PORT_DIR := $(addprefix src/noux-pkg/gcc/gcc/ada/,\
a-except.ads \
s-parame.ads \
s-stalib.ads \
s-traent.ads \
s-soflin.ads \
s-stache.ads \
s-stoele.ads \
s-secsta.ads \
s-conca2.ads \
s-arit64.ads \
ada.ads \
interfac.ads \
a-unccon.ads \
system.ads )
content: $(MIRROR_FROM_PORT_DIR)
$(MIRROR_FROM_PORT_DIR):
mkdir -p $(dir $@)
cp -r $(PORT_DIR)/$@ $@
content: lib/mk/ada.mk content: lib/mk/ada.mk
lib/mk/ada.mk: lib/mk/ada.mk:
mkdir -p $(dir $@) mkdir -p $(dir $@)
cp -r $(REP_DIR)/lib/mk/ada.inc $@ cp -r $(REP_DIR)/lib/mk/ada.inc $@

2
repos/libports/recipes/pkg/test-ada_exception/runtime
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@ -4,7 +4,7 @@
<timeout meaning="failed" sec="20" /> <timeout meaning="failed" sec="20" />
<log meaning="succeeded"> <log meaning="succeeded">
[init -> test-ada_exception] Ada exception test* [init -> test-ada_exception] Ada exception test*
[init -> test-ada_exception] Error: Program Error in except.adb at line 6* [init -> test-ada_exception] Error: Exception raised: explicit raise in except.adb: 6
[init -> test-ada_exception] Caught Ada::Exception::Program_Error* [init -> test-ada_exception] Caught Ada::Exception::Program_Error*
[init] child "test-ada_exception" exited with exit value 0 [init] child "test-ada_exception" exited with exit value 0
</log> </log>

60
repos/libports/recipes/src/ada/content.mk
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@ -1,35 +1,25 @@
PORT_DIR := $(call port_dir,$(GENODE_DIR)/repos/ports/ports/gcc) ADA_RT_DIR := $(call port_dir,$(GENODE_DIR)/repos/libports/ports/ada-runtime)
MIRROR_FROM_PORT_DIR := $(addprefix src/noux-pkg/gcc/gcc/ada/,\ MIRROR_FROM_ADA_RT_DIR := \
a-except.ads \ $(addprefix ada-runtime/contrib/gcc-6.3.0/,\
a-except.adb \ ada.ads \
s-parame.ads \ system.ads \
s-parame.adb \ interfac.ads \
s-stalib.ads \ s-unstyp.ads \
s-stalib.adb \ s-stoele.ads \
s-traent.ads \ s-stoele.adb \
s-traent.adb \ s-imgint.ads \
s-soflin.ads \ s-imgint.adb \
s-stache.ads \ a-unccon.ads \
s-stache.adb \ ) \
s-stoele.ads \ ada-runtime/src \
s-stoele.adb \ ada-runtime/platform/genode.cc
s-secsta.ads \
s-secsta.adb \
s-conca2.ads \
s-conca2.adb \
s-arit64.ads \
s-arit64.adb \
ada.ads \
interfac.ads \
a-unccon.ads \
system.ads )
content: $(MIRROR_FROM_PORT_DIR) content: $(MIRROR_FROM_ADA_RT_DIR)
$(MIRROR_FROM_PORT_DIR): $(MIRROR_FROM_ADA_RT_DIR):
mkdir -p $(dir $@) mkdir -p $(dir $@)
cp -r $(PORT_DIR)/$@ $@ cp -r $(ADA_RT_DIR)/$@ $@
MIRROR_FROM_REP_DIR := \ MIRROR_FROM_REP_DIR := \
lib/mk/ada.mk \ lib/mk/ada.mk \
@ -42,14 +32,8 @@ content: $(MIRROR_FROM_REP_DIR)
$(MIRROR_FROM_REP_DIR): $(MIRROR_FROM_REP_DIR):
$(mirror_from_rep_dir) $(mirror_from_rep_dir)
content: src/lib/ada content: src/lib/ada/target.mk
src/lib/ada: src/lib/ada/target.mk:
mkdir -p $@ mkdir -p $(dir $@)
cp -r $(REP_DIR)/$@/* $@/ echo "LIBS = ada" > $@
echo "LIBS = ada" > $@/target.mk
content: LICENSE
LICENSE:
cp $(PORT_DIR)/src/noux-pkg/gcc/gcc/COPYING $@

82
repos/libports/src/lib/ada/runtime/a-except.adb
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@ -1,82 +0,0 @@
--
-- \brief Ada exceptions
-- \author Johannes Kliemann
-- \date 2018-06-25
--
-- Copyright (C) 2018 Genode Labs GmbH
-- Copyright (C) 2018 Componolit GmbH
--
-- This file is part of the Genode OS framework, which is distributed
-- under the terms of the GNU Affero General Public License version 3.
--
package body Ada.Exceptions is
----------------------------
-- Raise_Exception_Always --
----------------------------
procedure Raise_Exception_Always (
E : Exception_Id;
Message : String := ""
)
is
procedure Raise_Ada_Exception (
Name : System.Address;
Msg : System.Address
)
with
Import,
Convention => C,
External_Name => "raise_ada_exception";
C_Msg : String := Message & Character'Val (0);
begin
Warn_Not_Implemented ("Raise_Exception_Always");
Raise_Ada_Exception (E.Full_Name, C_Msg'Address);
end Raise_Exception_Always;
procedure Raise_Exception (
E : Exception_Id;
Message : String := ""
)
is
begin
Raise_Exception_Always (E, Message);
end Raise_Exception;
procedure Reraise_Occurrence_No_Defer (
X : Exception_Occurrence
)
is
pragma Unreferenced (X);
begin
Warn_Not_Implemented ("Reraise_Occurrence_No_Defer");
end Reraise_Occurrence_No_Defer;
procedure Save_Occurrence (
Target : out Exception_Occurrence;
Source : Exception_Occurrence
)
is
begin
Warn_Not_Implemented ("Save_Occurrence");
Target := Source;
end Save_Occurrence;
procedure Warn_Not_Implemented (
Name : String
)
is
procedure C_Warn_Unimplemented_Function (
Func : System.Address
)
with
Import,
Convention => C,
External_Name => "warn_unimplemented_function";
C_Name : String := Name & Character'Val (0);
begin
C_Warn_Unimplemented_Function (C_Name'Address);
end Warn_Not_Implemented;
end Ada.Exceptions;

72
repos/libports/src/lib/ada/runtime/a-except.ads
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@ -1,72 +0,0 @@
--
-- \brief Ada exceptions
-- \author Johannes Kliemann
-- \date 2018-06-25
--
-- Copyright (C) 2018 Genode Labs GmbH
-- Copyright (C) 2018 Componolit GmbH
--
-- This file is part of the Genode OS framework, which is distributed
-- under the terms of the GNU Affero General Public License version 3.
--
with System;
package Ada.Exceptions is
type Exception_Id is private;
type Exception_Occurrence is limited private;
type Exception_Occurrence_Access is access all Exception_Occurrence;
procedure Raise_Exception_Always (
E : Exception_Id;
Message : String := ""
)
with
Export,
Convention => Ada,
External_Name => "__gnat_raise_exception";
procedure Raise_Exception (
E : Exception_Id;
Message : String := ""
);
procedure Reraise_Occurrence_No_Defer (
X : Exception_Occurrence
);
procedure Save_Occurrence (
Target : out Exception_Occurrence;
Source : Exception_Occurrence
);
private
-- the following declarations belong to s-stalib.ads
-- begin s-stalib.ads
type Exception_Data;
type Exception_Data_Ptr is access all Exception_Data;
type Raise_Action is access procedure;
type Exception_Data is record
Not_Handled_By_Others : Boolean;
Lang : Character;
Name_Length : Natural;
Full_Name : System.Address;
HTable_Ptr : Exception_Data_Ptr;
Foreign_Data : System.Address;
Raise_Hook : Raise_Action;
end record;
-- end s-stalib.ads
type Exception_Id is new Exception_Data_Ptr;
type Exception_Occurrence is record
null;
end record;
procedure Warn_Not_Implemented (
Name : String
);
end Ada.Exceptions;

64
repos/libports/src/lib/ada/runtime/s-secsta.adb
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@ -1,64 +0,0 @@
--
-- \brief Ada secondary stack
-- \author Johannes Kliemann
-- \date 2018-04-16
--
-- Copyright (C) 2018 Genode Labs GmbH
-- Copyright (C) 2018 Componolit GmbH
--
-- This file is part of the Genode OS framework, which is distributed
-- under the terms of the GNU Affero General Public License version 3.
--
package body System.Secondary_Stack is
procedure SS_Allocate (
Address : out System.Address;
Storage_Size : SSE.Storage_Count
)
is
T : constant Ss_Utils.Thread := Ss_Utils.C_Get_Thread;
begin
if T /= Ss_Utils.Invalid_Thread then
Ss_Utils.S_Allocate (Address,
Storage_Size,
Thread_Registry,
T);
else
raise Program_Error;
end if;
end SS_Allocate;
function SS_Mark return Mark_Id
is
M : Mark_Id;
T : constant Ss_Utils.Thread := Ss_Utils.C_Get_Thread;
begin
if T /= Ss_Utils.Invalid_Thread then
Ss_Utils.S_Mark (M.Sstk,
SSE.Storage_Count (M.Sptr),
Thread_Registry,
T);
else
raise Program_Error;
end if;
return M;
end SS_Mark;
procedure SS_Release (
M : Mark_Id
)
is
T : constant Ss_Utils.Thread := Ss_Utils.C_Get_Thread;
begin
if T /= Ss_Utils.Invalid_Thread then
Ss_Utils.S_Release (M.Sstk,
SSE.Storage_Count (M.Sptr),
Thread_Registry,
T);
else
raise Program_Error;
end if;
end SS_Release;
end System.Secondary_Stack;

46
repos/libports/src/lib/ada/runtime/s-secsta.ads
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@ -1,46 +0,0 @@
--
-- \brief Ada secondary stack
-- \author Johannes Kliemann
-- \date 2018-04-16
--
-- Copyright (C) 2018 Genode Labs GmbH
-- Copyright (C) 2018 Componolit GmbH
--
-- This file is part of the Genode OS framework, which is distributed
-- under the terms of the GNU Affero General Public License version 3.
--
with System.Storage_Elements;
with Ss_Utils;
use all type Ss_Utils.Thread;
package System.Secondary_Stack is
package SSE renames System.Storage_Elements;
type Mark_Id is private;
procedure SS_Allocate (
Address : out System.Address;
Storage_Size : SSE.Storage_Count
);
function SS_Mark return Mark_Id;
procedure SS_Release (
M : Mark_Id
);
private
SS_Pool : Integer;
-- This is not used but needed since the build will fail otherwise
type Mark_Id is record
Sstk : System.Address;
Sptr : SSE.Integer_Address;
end record;
Thread_Registry : Ss_Utils.Registry := Ss_Utils.Null_Registry;
end System.Secondary_Stack;

117
repos/libports/src/lib/ada/runtimelib/a-except_c.cc
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@ -1,117 +0,0 @@
/*
* \brief Implementation of Ada exception functions, propagating to C++
* \author Alexander Senier
* \author Johannes Kliemann
* \date 2018-04-16
*
*/
/*
* Copyright (C) 2018 Genode Labs GmbH
* Copyright (C) 2018 Componolit GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#include <base/log.h>
#include <util/string.h>
#include <ada/exception.h>
extern "C" {
/* Program Error */
void __gnat_rcheck_PE_Explicit_Raise(char *file, int line)
{
Genode::error("Program Error in ", Genode::Cstring(file), " at line ", line);
throw Ada::Exception::Program_Error();
}
/* Constraint Error */
void constraint_error(char *file, int line)
{
Genode::error("Constraint Error in ", Genode::Cstring(file), " at line ", line);
throw Ada::Exception::Constraint_Error();
}
void __gnat_rcheck_CE_Explicit_Raise(char *file, int line)
{
constraint_error(file, line);
}
/* Storage Error */
void __gnat_rcheck_SE_Explicit_Raise(char *file, int line)
{
Genode::error("Storage Error in ", Genode::Cstring(file), " at line ", line);
throw Ada::Exception::Storage_Error();
}
/* Constraint Error subtypes */
/* Length check failed */
void __gnat_rcheck_CE_Length_Check(char *file, int line)
{
Genode::error("Constraint Error: Length check failed in ",
Genode::Cstring(file), " at line ", line);
throw Ada::Exception::Length_Check();
}
/* Overflow check failed */
void __gnat_rcheck_CE_Overflow_Check(char *file, int line)
{
Genode::error("Constraint Error: Overflow check failed in ",
Genode::Cstring(file), " at line ", line);
throw Ada::Exception::Overflow_Check();
}
/* Invalid data */
void __gnat_rcheck_CE_Invalid_Data(char *file, int line)
{
Genode::error("Constraint Error: Invalid data in ",
Genode::Cstring(file), " at line ", line);
throw Ada::Exception::Invalid_Data();
}
/* Range check failed */
void __gnat_rcheck_CE_Range_Check(char *file, int line)
{
Genode::error("Constraint Error: Range check failed in ",
Genode::Cstring(file), " at line ", line);
throw Ada::Exception::Range_Check();
}
/* Index check failed */
void __gnat_rcheck_CE_Index_Check(char *file, int line)
{
Genode::error("Constraint Error: Index check failed in ",
Genode::Cstring(file), " at line ", line);
throw Ada::Exception::Index_Check();
}
/* Discriminant check failed */
void __gnat_rcheck_CE_Discriminant_Check(char *file, int line)
{
Genode::error("Constraint Error: Discriminant check failed in ",
Genode::Cstring(file), " at line ", line);
throw Ada::Exception::Discriminant_Check();
}
/* Divide by 0 */
void __gnat_rcheck_CE_Divide_By_Zero(char *file, int line)
{
Genode::error("Constraint Error: Divide by zero in ",
Genode::Cstring(file), " at line ", line);
throw Ada::Exception::Divide_By_Zero();
}
void raise_ada_exception(char *name, char *message)
{
Genode::error(Genode::Cstring(name), " raised: ", Genode::Cstring(message));
}
void warn_unimplemented_function(char *func)
{
Genode::warning(Genode::Cstring(func), " unimplemented");
}
}

25
repos/libports/src/lib/ada/runtimelib/a-exctab_c.cc
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@ -1,25 +0,0 @@
/*
* \brief Provide dummy for custom Ada exceptions
* \author Johannes Kliemann
* \date 2018-06-25
*
*/
/*
* Copyright (C) 2018 Genode Labs GmbH
* Copyright (C) 2018 Componolit GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#include <base/log.h>
extern "C" {
void system__exception_table__register()
{
Genode::warning(__func__, " not implemented");
}
}

5
repos/libports/src/lib/ada/runtimelib/genode_rts.gpr
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@ -1,5 +0,0 @@
project genode_rts is
for Source_Dirs use (".");
end genode_rts;

490
repos/libports/src/lib/ada/runtimelib/gnattest/tests/ss_utils-test_data-tests.adb
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@ -1,490 +0,0 @@
-- This package has been generated automatically by GNATtest.
-- You are allowed to add your code to the bodies of test routines.
-- Such changes will be kept during further regeneration of this file.
-- All code placed outside of test routine bodies will be lost. The
-- code intended to set up and tear down the test environment should be
-- placed into Ss_Utils.Test_Data.
with AUnit.Assertions; use AUnit.Assertions;
with System.Assertions;
-- begin read only
-- id:2.2/00/
--
-- This section can be used to add with clauses if necessary.
--
-- end read only
with System.Memory;
-- begin read only
-- end read only
package body Ss_Utils.Test_Data.Tests is
-- begin read only
-- id:2.2/01/
--
-- This section can be used to add global variables and other elements.
--
-- end read only
package SSE renames System.Storage_Elements;
Alloc_Success : Boolean := False;
Valid_Thread : Thread := Thread (SSE.To_Address (16#1000#));
function C_Alloc (T : Thread; Size : SSE.Storage_Count) return System.Address
with
Export,
Convention => C,
External_Name => "allocate_secondary_stack";
function C_Alloc (T : Thread; Size : SSE.Storage_Count) return System.Address
is
begin
if Alloc_Success then
return System.Memory.Alloc (System.Memory.size_t (Size));
else
return System.Null_Address;
end if;
end C_Alloc;
procedure Get_Mark_Full_Registry
is
E : Mark;
R : Registry := Null_Registry;
T : constant Thread := Thread (System.Storage_Elements.To_Address (42));
begin
for I in R'Range loop
R (I).Id := Valid_Thread;
end loop;
Get_Mark (T, R, E);
end Get_Mark_Full_Registry;
procedure Get_Mark_Invalid_Thread
is
E : Mark;
R : Registry := Null_Registry;
begin
Get_Mark (Invalid_Thread, R, E);
end Get_Mark_Invalid_Thread;
procedure Set_Mark_Unknown_Thread
is
T : Thread := Valid_Thread;
R : Registry := Null_Registry;
M : Mark := (Base => System.Storage_Elements.To_Address (42),
Top => 8);
begin
Set_Mark (T, M, R);
end Set_Mark_Unknown_Thread;
procedure Set_Mark_Invalid_Thread
is
T : Thread := Invalid_Thread;
R : Registry := Null_Registry;
M : Mark := (Base => System.Storage_Elements.To_Address (42),
Top => 8);
begin
Set_Mark (T, M, R);
end Set_Mark_Invalid_Thread;
procedure Set_Mark_Invalid_Stack
is
T : Thread := Valid_Thread;
R : Registry := Null_Registry;
M : Mark := (Base => System.Null_Address,
Top => 0);
begin
R (0).Id := T;
R (0).Data := M;
R (0).Data.Base := System.Storage_Elements.To_Address (42);
Set_Mark (T, M, R);
end Set_Mark_Invalid_Stack;
procedure Alloc_Stack_With_Null_Ptr
is
Ptr : System.Address;
begin
Alloc_Success := False;
Ptr := Allocate_Stack (Valid_Thread, 0);
end Alloc_Stack_With_Null_Ptr;
procedure Alloc_Stack_With_Invalid_Thread
is
Ptr : System.Address;
begin
Alloc_Success := True;
Ptr := Allocate_Stack (Invalid_Thread, 0);
end Alloc_Stack_With_Invalid_Thread;
procedure S_Allocate_Stack_Overflow_1
is
T : Thread := Valid_Thread;
Reg : Registry := Null_Registry;
Stack_Ptr : System.Address;
begin
S_Allocate (Stack_Ptr, Secondary_Stack_Size * 2, Reg, T);
end S_Allocate_Stack_Overflow_1;
procedure S_Allocate_Stack_Overflow_2
is
T : Thread := Valid_Thread;
Reg : Registry := Null_Registry;
Stack_Ptr : System.Address;
begin
for I in 0 .. 1024 loop
S_Allocate (Stack_Ptr, SSE.Storage_Offset (1024), Reg, T);
end loop;
end S_Allocate_Stack_Overflow_2;
procedure S_Release_High_Mark
is
T : Thread := Valid_Thread;
Reg : Registry := Null_Registry;
Mark_Id : SSE.Storage_Count;
Mark_Base : System.Address;
Stack_Ptr : System.Address;
begin
S_Allocate (Stack_Ptr, 8, Reg, T);
S_Mark (Mark_Base, Mark_Id, Reg, T);
S_Release (Mark_Base, Mark_Id + 1, Reg, T);
end S_Release_High_Mark;
-- begin read only
-- end read only
-- begin read only
procedure Test_Get_Mark (Gnattest_T : in out Test);
procedure Test_Get_Mark_205a8b (Gnattest_T : in out Test) renames Test_Get_Mark;
-- id:2.2/205a8b09655a71fc/Get_Mark/1/0/
procedure Test_Get_Mark (Gnattest_T : in out Test) is
-- ss_utils.ads:36:4:Get_Mark
-- end read only
pragma Unreferenced (Gnattest_T);
T1 : Thread := Thread (System.Storage_Elements.To_Address (1));
T2 : Thread := Thread (System.Storage_Elements.To_Address (2));
Reg : Registry := Null_Registry;
Test_Mark : Mark;
T1_Mark : Mark := (Base => System.Null_Address,
Top => 0);
T2_Mark : Mark := (Base => System.Storage_Elements.To_Address (42),
Top => 4);
begin
Alloc_Success := True;
AUnit.Assertions.Assert_Exception (Get_Mark_Invalid_Thread'Access,
"Get mark with invalid thread failed");
AUnit.Assertions.Assert_Exception (Get_Mark_Full_Registry'Access,
"Get mark with full registry failed");
Get_Mark (T1, Reg, Test_Mark);
AUnit.Assertions.Assert (Test_Mark.Base /= System.Null_Address,
"Stack not initialized");
AUnit.Assertions.Assert (Test_Mark.Top = 0,
"Top not null after initialization");
Get_Mark (T1, Reg, T1_Mark);
AUnit.Assertions.Assert (Test_Mark = T1_Mark,
"Failed to get T1 mark");
Reg (2).Id := T2;
Reg (2).Data := T2_Mark;
Get_Mark (T2, Reg, Test_Mark);
AUnit.Assertions.Assert (Test_Mark = T2_Mark,
"Failed to get T2 mark");
-- begin read only
end Test_Get_Mark;
-- end read only
-- begin read only
procedure Test_Set_Mark (Gnattest_T : in out Test);
procedure Test_Set_Mark_75973c (Gnattest_T : in out Test) renames Test_Set_Mark;
-- id:2.2/75973c43cd4409b1/Set_Mark/1/0/
procedure Test_Set_Mark (Gnattest_T : in out Test) is
-- ss_utils.ads:44:4:Set_Mark
-- end read only
pragma Unreferenced (Gnattest_T);
Reg : Registry := Null_Registry;
E1 : Mark;
E2 : Mark;
T : Thread := Valid_Thread;
begin
AUnit.Assertions.Assert_Exception (Set_Mark_Unknown_Thread'Access,
"Set mark on unknown thread failed");
AUnit.Assertions.Assert_Exception (Set_Mark_Invalid_Thread'Access,
"Set mark on invalid thread failed");
AUnit.Assertions.Assert_Exception (Set_Mark_Invalid_Stack'Access,
"Set mark on invalid stack failed");
Get_Mark (T, Reg, E1);
E1.Top := 42;
Set_Mark (T, E1, Reg);
Get_Mark (T, Reg, E2);
AUnit.Assertions.Assert (E1 = E2,
"Storing mark failed");
-- begin read only
end Test_Set_Mark;
-- end read only
-- begin read only
procedure Test_Allocate_Stack (Gnattest_T : in out Test);
procedure Test_Allocate_Stack_247b78 (Gnattest_T : in out Test) renames Test_Allocate_Stack;
-- id:2.2/247b786dfb10deba/Allocate_Stack/1/0/
procedure Test_Allocate_Stack (Gnattest_T : in out Test) is
-- ss_utils.ads:53:4:Allocate_Stack
-- end read only
pragma Unreferenced (Gnattest_T);
begin
Alloc_Success := True;
AUnit.Assertions.Assert (Allocate_Stack (Valid_Thread, 0) /= System.Null_Address,
"Allocate stack failed");
AUnit.Assertions.Assert_Exception (Alloc_Stack_With_Null_Ptr'Access,
"Allocate stack with null failed");
AUnit.Assertions.Assert_Exception (Alloc_Stack_With_Invalid_Thread'Access,
"Allocate stack with invalid thread failed");
-- begin read only
end Test_Allocate_Stack;
-- end read only
-- begin read only
procedure Test_S_Allocate (Gnattest_T : in out Test);
procedure Test_S_Allocate_70b783 (Gnattest_T : in out Test) renames Test_S_Allocate;
-- id:2.2/70b783c9ffa2dd5e/S_Allocate/1/0/
procedure Test_S_Allocate (Gnattest_T : in out Test) is
-- ss_utils.ads:61:4:S_Allocate
-- end read only
pragma Unreferenced (Gnattest_T);
Reg : Registry := Null_Registry;
M : Mark;
T : Thread := Valid_Thread;
Stack_Base : System.Address;
Stack_Ptr : System.Address;
begin
Alloc_Success := True;
Get_Mark (T, Reg, M);
AUnit.Assertions.Assert (M.Base /= System.Null_Address,
"Base allocation failed");
AUnit.Assertions.Assert (M.Top = 0,
"Top not initialized with 0");
Stack_Base := M.Base;
S_Allocate (Stack_Ptr, 8, Reg, T);
AUnit.Assertions.Assert (Stack_Base - 8 = Stack_Ptr,
"Invalid base move");
Get_Mark (T, Reg, M);
AUnit.Assertions.Assert (M.Top = 8,
"Unmodified top");
S_Allocate (Stack_Ptr, 8, Reg, T);
AUnit.Assertions.Assert (Stack_Base - 16 = Stack_Ptr,
"Invalid stack ptr");
Get_Mark (T, Reg, M);
AUnit.Assertions.Assert (M.Top = 16,
"Invalid top");
Reg := Null_Registry;
S_Allocate (Stack_Ptr, 8, Reg, T);
Get_Mark (T, Reg, M);
AUnit.Assertions.Assert (Stack_Ptr /= System.Null_Address,
"Initial Base allocation failed");
AUnit.Assertions.Assert (M.Base - 8 = Stack_Ptr,
"Invalid Stack initialization");
AUnit.Assertions.Assert (M.Top = 8,
"Top not set correctly");
AUnit.Assertions.Assert_Exception (S_Allocate_Stack_Overflow_1'Access,
"Failed to detect stack overflow 1");
AUnit.Assertions.Assert_Exception (S_Allocate_Stack_Overflow_2'Access,
"Failed to detect stack overflow 2");
-- begin read only
end Test_S_Allocate;
-- end read only
-- begin read only
procedure Test_S_Mark (Gnattest_T : in out Test);
procedure Test_S_Mark_a8299f (Gnattest_T : in out Test) renames Test_S_Mark;
-- id:2.2/a8299fa36da74b68/S_Mark/1/0/
procedure Test_S_Mark (Gnattest_T : in out Test) is
-- ss_utils.ads:68:4:S_Mark
-- end read only
pragma Unreferenced (Gnattest_T);
Reg : Registry := Null_Registry;
M : Mark;
S_Addr : System.Address;
S_Pos : SSE.Storage_Count;
T : Thread := Valid_Thread;
Stack_Ptr : System.Address;
begin
S_Allocate (Stack_Ptr, 8, Reg, T);
S_Mark (S_Addr, S_Pos, Reg, T);
Get_Mark (T, Reg, M);
AUnit.Assertions.Assert (S_Pos = M.Top and S_Pos = 8 and S_Addr = M.Base,
"Invalid mark location");
Reg := Null_Registry;
S_Mark (S_Addr, S_Pos, Reg, T);
Get_Mark (T, Reg, M);
AUnit.Assertions.Assert (S_Addr = M.Base,
"Mark did not initialize stack");
AUnit.Assertions.Assert (M.Top = 0 and S_Pos = 0,
"Mark did not initialize top");
-- begin read only
end Test_S_Mark;
-- end read only
-- begin read only
procedure Test_S_Release (Gnattest_T : in out Test);
procedure Test_S_Release_666a46 (Gnattest_T : in out Test) renames Test_S_Release;
-- id:2.2/666a463f3bb6be9f/S_Release/1/0/
procedure Test_S_Release (Gnattest_T : in out Test) is
-- ss_utils.ads:74:4:S_Release
-- end read only
pragma Unreferenced (Gnattest_T);
Reg : Registry := Null_Registry;
M : Mark;
Stack_Ptr : System.Address;
Mark_Id : System.Address;
Mark_Pos : SSE.Storage_Count;
T : Thread := Valid_Thread;
begin
AUnit.Assertions.Assert_Exception (S_Release_High_Mark'Access,
"Invalid stack release");
S_Allocate (Stack_Ptr, 8, Reg, T);
S_Mark (Mark_Id, Mark_Pos, Reg, T);
S_Allocate (Stack_Ptr, 4, Reg, T);
S_Allocate (Stack_Ptr, 4, Reg, T);
Get_Mark (T, Reg, M);
AUnit.Assertions.Assert (M.Top = 16,
"Top not initialized correctly");
AUnit.Assertions.Assert (Stack_Ptr /= Mark_Id - Mark_Pos,
"Mark not set correctly");
S_Release (Mark_Id, Mark_Pos, Reg, T);
Get_Mark (T, Reg, M);
AUnit.Assertions.Assert (M.Top = 8,
"Top not reset correctly");
AUnit.Assertions.Assert (M.Top = Mark_Pos,
"Invalid mark id");
S_Allocate (Stack_Ptr, 8, Reg, T);
AUnit.Assertions.Assert (Mark_Id - Mark_Pos = Stack_Ptr + 8,
"Invalid stack ptr location");
-- begin read only
end Test_S_Release;
-- end read only
-- begin read only
procedure Test_C_Alloc (Gnattest_T : in out Test);
procedure Test_C_Alloc_08db82 (Gnattest_T : in out Test) renames Test_C_Alloc;
-- id:2.2/08db82b0ee8ae041/C_Alloc/1/0/
procedure Test_C_Alloc (Gnattest_T : in out Test) is
-- ss_utils.ads:80:4:C_Alloc
-- end read only
pragma Unreferenced (Gnattest_T);
begin
Alloc_Success := True;
AUnit.Assertions.Assert (C_Alloc (Invalid_Thread, 0) /= System.Null_Address,
"Alloc test failed");
Alloc_Success := False;
AUnit.Assertions.Assert (C_Alloc (Invalid_Thread, 0) = System.Null_Address,
"Null Address test failed");
-- begin read only
end Test_C_Alloc;
-- end read only
-- begin read only
procedure Test_C_Free (Gnattest_T : in out Test);
procedure Test_C_Free_6747d0 (Gnattest_T : in out Test) renames Test_C_Free;
-- id:2.2/6747d08d1141dd9a/C_Free/1/0/
procedure Test_C_Free (Gnattest_T : in out Test) is
-- ss_utils.ads:88:4:C_Free
-- end read only
pragma Unreferenced (Gnattest_T);
begin
AUnit.Assertions.Assert (True, "C_Free");
-- begin read only
end Test_C_Free;
-- end read only
-- begin read only
procedure Test_C_Get_Thread (Gnattest_T : in out Test);
procedure Test_C_Get_Thread_97edc5 (Gnattest_T : in out Test) renames Test_C_Get_Thread;
-- id:2.2/97edc547916ca499/C_Get_Thread/1/0/
procedure Test_C_Get_Thread (Gnattest_T : in out Test) is
-- ss_utils.ads:94:4:C_Get_Thread
-- end read only
pragma Unreferenced (Gnattest_T);
begin
AUnit.Assertions.Assert (True, "C_Get_Thread");
-- begin read only
end Test_C_Get_Thread;
-- end read only
-- begin read only
-- procedure Test_Read_Mark (Gnattest_T : in out Test_);
-- procedure Test_Read_Mark_8404db (Gnattest_T : in out Test_) renames Test_Read_Mark;
-- id:2.2/8404db30c2a22d7a/Read_Mark/1/1/
-- procedure Test_Read_Mark (Gnattest_T : in out Test_) is
-- end read only
-- begin read only
-- end Test_Read_Mark;
-- end read only
-- begin read only
-- procedure Test_Write_Mark (Gnattest_T : in out Test_);
-- procedure Test_Write_Mark_99a74f (Gnattest_T : in out Test_) renames Test_Write_Mark;
-- id:2.2/99a74ffb3f48c3b7/Write_Mark/1/1/
-- procedure Test_Write_Mark (Gnattest_T : in out Test_) is
-- end read only
-- begin read only
-- end Test_Write_Mark;
-- end read only
-- begin read only
-- id:2.2/02/
--
-- This section can be used to add elaboration code for the global state.
--
begin
-- end read only
null;
-- begin read only
-- end read only
end Ss_Utils.Test_Data.Tests;

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-- This package has been generated automatically by GNATtest.
-- Do not edit any part of it, see GNATtest documentation for more details.
-- begin read only
with Gnattest_Generated;
package Ss_Utils.Test_Data.Tests is
type Test is new GNATtest_Generated.GNATtest_Standard.Ss_Utils.Test_Data.Test
with null record;
procedure Test_Get_Mark_205a8b (Gnattest_T : in out Test);
-- ss_utils.ads:36:4:Get_Mark
procedure Test_Set_Mark_75973c (Gnattest_T : in out Test);
-- ss_utils.ads:44:4:Set_Mark
procedure Test_Allocate_Stack_247b78 (Gnattest_T : in out Test);
-- ss_utils.ads:53:4:Allocate_Stack
procedure Test_S_Allocate_70b783 (Gnattest_T : in out Test);
-- ss_utils.ads:61:4:S_Allocate
procedure Test_S_Mark_a8299f (Gnattest_T : in out Test);
-- ss_utils.ads:68:4:S_Mark
procedure Test_S_Release_666a46 (Gnattest_T : in out Test);
-- ss_utils.ads:74:4:S_Release
procedure Test_C_Alloc_08db82 (Gnattest_T : in out Test);
-- ss_utils.ads:80:4:C_Alloc
procedure Test_C_Free_6747d0 (Gnattest_T : in out Test);
-- ss_utils.ads:88:4:C_Free
procedure Test_C_Get_Thread_97edc5 (Gnattest_T : in out Test);
-- ss_utils.ads:94:4:C_Get_Thread
end Ss_Utils.Test_Data.Tests;
-- end read only

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@ -1,20 +0,0 @@
-- This package is intended to set up and tear down the test environment.
-- Once created by GNATtest, this package will never be overwritten
-- automatically. Contents of this package can be modified in any way
-- except for sections surrounded by a 'read only' marker.
package body Ss_Utils.Test_Data is
procedure Set_Up (Gnattest_T : in out Test) is
pragma Unreferenced (Gnattest_T);
begin
null;
end Set_Up;
procedure Tear_Down (Gnattest_T : in out Test) is
pragma Unreferenced (Gnattest_T);
begin
null;
end Tear_Down;
end Ss_Utils.Test_Data;

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@ -1,18 +0,0 @@
-- This package is intended to set up and tear down the test environment.
-- Once created by GNATtest, this package will never be overwritten
-- automatically. Contents of this package can be modified in any way
-- except for sections surrounded by a 'read only' marker.
with AUnit.Test_Fixtures;
package Ss_Utils.Test_Data is
-- begin read only
type Test is new AUnit.Test_Fixtures.Test_Fixture
-- end read only
with null record;
procedure Set_Up (Gnattest_T : in out Test);
procedure Tear_Down (Gnattest_T : in out Test);
end Ss_Utils.Test_Data;

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@ -1,10 +0,0 @@
#include <base/stdint.h>
#include <util/string.h>
extern "C" {
int memcmp(const void *s1, const void *s2, Genode::size_t n)
{
return Genode::memcmp(s1, s2, n);
}
}

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#include <base/log.h>
#include <base/thread.h>
/*
* The Mark_Id type defined in libports/src/lib/ada/libsrc/s-secsta.ads
* equal to the type defined in GCCs own implementation of s-secsta.ads.
* If the implementation used by GCC changes it needs to be changed in
* this library as well.
*/
#if !(__GNUC__ == 6 && __GNUC_MINOR__ == 3)
#warning Unsupported compiler version, check s-secsta.ads
#endif
extern "C" {
void *get_thread()
{
return static_cast<void *>(Genode::Thread::myself());
}
void *allocate_secondary_stack(void *thread, Genode::size_t size)
{
return static_cast<Genode::Thread *>(thread)->alloc_secondary_stack("ada thread", size);
}
}

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@ -1,50 +0,0 @@
/*
* \brief Dummy implementation for Ada softlinks
* \author Johannes Kliemann
* \date 2018-04-16
*
*/
/*
* Copyright (C) 2018 Genode Labs GmbH
* Copyright (C) 2018 Componolit GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#include <base/log.h>
extern "C" {
void system__soft_links__get_current_excep()
{
Genode::warning(__func__, " not implemented");
}
void system__soft_links__get_gnat_exception()
{
Genode::warning(__func__, " not implemented");
}
void system__soft_links__get_jmpbuf_address_soft()
{
Genode::warning(__func__, " not implemented");
}
void system__soft_links__set_jmpbuf_address_soft()
{
Genode::warning(__func__, " not implemented");
}
void system__soft_links__lock_task()
{
Genode::warning(__func__, " not implemented");
}
void system__soft_links__unlock_task()
{
Genode::warning(__func__, " not implemented");
}
}

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package body Ss_Utils
with SPARK_Mode
is
procedure Get_Mark (
T : Thread;
Thread_Registry : in out Registry;
E : out Mark
)
is
Thread_Entry : Long_Integer := -1;
First_Free_Entry : Long_Integer := -1;
begin
Search :
for E in Thread_Registry'Range loop
pragma Loop_Invariant (First_Free_Entry < 128);
pragma Loop_Invariant (Thread_Entry < 128);
if First_Free_Entry = -1 and then
Thread_Registry (E).Id = Invalid_Thread
then
First_Free_Entry := E;
end if;
if T = Thread_Registry (E).Id then
Thread_Entry := E;
exit Search;
end if;
end loop Search;
if Thread_Entry < 0 then
if First_Free_Entry >= 0 then
Thread_Registry (First_Free_Entry).Id := T;
Thread_Registry (First_Free_Entry).Data :=
(Base => System.Null_Address,
Top => 0);
Thread_Entry := First_Free_Entry;
else
raise Constraint_Error;
end if;
end if;
if Thread_Registry (Thread_Entry).Data.Base = System.Null_Address then
Thread_Registry (Thread_Entry).Data :=
(Base => Allocate_Stack (T, Secondary_Stack_Size),
Top => 0);
end if;
E := Thread_Registry (Thread_Entry).Data;
end Get_Mark;
procedure Set_Mark (
T : Thread;
M : Mark;
Thread_Registry : in out Registry
)
is
Thread_Entry : Long_Integer := -1;
begin
if T = Invalid_Thread then
raise Constraint_Error;
end if;
if M.Base = System.Null_Address then
raise Constraint_Error;
end if;
Search :
for E in Thread_Registry'Range loop
pragma Loop_Invariant (Thread_Entry < 128);
if T = Thread_Registry (E).Id then
Thread_Entry := E;
exit Search;
end if;
end loop Search;
if Thread_Entry < 0 then
raise Constraint_Error;
end if;
Thread_Registry (Thread_Entry).Data := M;
end Set_Mark;
function Allocate_Stack (
T : Thread;
Size : SSE.Storage_Count
) return System.Address
is
Stack : System.Address;
begin
if T = Invalid_Thread then
raise Constraint_Error;
end if;
Stack := C_Alloc (T, Size);
if Stack = System.Null_Address then
raise Storage_Error;
end if;
return Stack;
end Allocate_Stack;
procedure S_Allocate (
Address : out System.Address;
Storage_Size : SSE.Storage_Count;
Reg : in out Registry;
T : Thread
)
is
M : Mark;
begin
Get_Mark (T, Reg, M);
if M.Top < Secondary_Stack_Size and then
Storage_Size < Secondary_Stack_Size and then
Storage_Size + M.Top < Secondary_Stack_Size
then
M.Top := M.Top + Storage_Size;
Address := M.Base - M.Top;
else
raise Storage_Error;
end if;
Set_Mark (T, M, Reg);
end S_Allocate;
procedure S_Mark (
Stack_Base : out System.Address;
Stack_Ptr : out SSE.Storage_Count;
Reg : in out Registry;
T : Thread
)
is
M : Mark;
begin
Get_Mark (T, Reg, M);
Stack_Base := M.Base;
Stack_Ptr := M.Top;
end S_Mark;
procedure S_Release (
Stack_Base : System.Address;
Stack_Ptr : SSE.Storage_Count;
Reg : in out Registry;
T : Thread
)
is
LM : Mark;
begin
Get_Mark (T, Reg, LM);
if Stack_Ptr > LM.Top or Stack_Base /= LM.Base
then
raise Program_Error;
end if;
LM.Top := Stack_Ptr;
Set_Mark (T, LM, Reg);
end S_Release;
end Ss_Utils;

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with System;
with System.Storage_Elements;
use all type System.Address;
use all type System.Storage_Elements.Storage_Offset;
package Ss_Utils
with SPARK_Mode
is
package SSE renames System.Storage_Elements;
type Thread is new System.Address;
Invalid_Thread : constant Thread := Thread (System.Null_Address);
type Mark is
record
Base : System.Address;
Top : SSE.Storage_Count;
end record;
type Registry_Entry is
record
Id : Thread;
Data : Mark;
end record;
type Registry is array (Long_Integer range 0 .. 127) of Registry_Entry;
Null_Registry : constant Registry := (others =>
(Id => Invalid_Thread,
Data => (Base => System.Null_Address,
Top => 0)));
Secondary_Stack_Size : constant SSE.Storage_Count := 768 * 1024;
procedure Get_Mark (
T : Thread;
Thread_Registry : in out Registry;
E : out Mark
)
with
Pre => T /= Invalid_Thread,
Post => (E.Base /= System.Null_Address);
procedure Set_Mark (
T : Thread;
M : Mark;
Thread_Registry : in out Registry
)
with
Pre => (M.Base /= System.Null_Address and
T /= Invalid_Thread);
function Allocate_Stack (
T : Thread;
Size : SSE.Storage_Count
) return System.Address
with
Pre => T /= Invalid_Thread,
Post => Allocate_Stack'Result /= System.Null_Address;
procedure S_Allocate (
Address : out System.Address;
Storage_Size : SSE.Storage_Count;
Reg : in out Registry;
T : Thread
)
with
Pre => T /= Invalid_Thread;
procedure S_Mark (
Stack_Base : out System.Address;
Stack_Ptr : out SSE.Storage_Count;
Reg : in out Registry;
T : Thread
)
with
Pre => T /= Invalid_Thread;
procedure S_Release (
Stack_Base : System.Address;
Stack_Ptr : SSE.Storage_Count;
Reg : in out Registry;
T : Thread
)
with
Pre => T /= Invalid_Thread;
function C_Alloc (
T : Thread;
Size : SSE.Storage_Count
) return System.Address
with
Import,
Convention => C,
External_Name => "allocate_secondary_stack",
Pre => T /= Invalid_Thread,
Post => C_Alloc'Result /= System.Null_Address,
Global => null;
function C_Get_Thread return Thread
with
Import,
Convention => C,
External_Name => "get_thread";
end Ss_Utils;