"

Copyright (c) 2015-now Jan Vrany <jan.vrany@fit.cvut.cz>

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the 'Software'), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

THE SOFTWARE.

"

"{ Package: 'jv:dragonfly' }"

"{ NameSpace: Smalltalk }"

ExternalAddress subclass:#CompiledCodeObject

	instanceVariableNames:'compiledCode sections'

	classVariableNames:''

	poolDictionaries:''

	category:'System-Compiler-Interface'

!

!CompiledCodeObject primitiveDefinitions!

%{

/*

 * includes, defines, structure definitions

 * and typedefs come here.

 */

#include "../librun/mcompiler.h"

%}

! !

!CompiledCodeObject class methodsFor:'documentation'!

copyright

"

Copyright (c) 2015-now Jan Vrany <jan.vrany@fit.cvut.cz>

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the 'Software'), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

THE SOFTWARE.

"

! !

!CompiledCodeObject class methodsFor:'instance creation'!

forCompiledCode: aCompiledCode

    | instance |

    instance := self new.

%{

    stx_compiled_code_object code_object;

    code_object = stxCompiledCodeObjectForCompiledCode(aCompiledCode);

    if (code_object == NULL) {

        instance = nil;

    } else {

        __externalAddressVal(instance) = code_object;

    }

%}.

    instance isNil ifTrue:[ 

        self error: 'No code object associated with given method. Method not yet compiled?'

    ].

    instance setCompiledCode: aCompiledCode.

    ^ instance.

    "Created: / 07-12-2015 / 10:58:33 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 11-01-2016 / 09:39:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CompiledCodeObject methodsFor:'accessing'!

compiledCode

    "Return method or block associated with this code object."

    | compiledCodeFromObject |

    compiledCodeFromObject := compiledCode.

%{

    if (__ExecutableCodeInstPtr(__INST(compiledCode))->ex_code != NULL) {

        if ( (INT)(__ExecutableCodeInstPtr(__INST(compiledCode))->ex_flags) & __MASKSMALLINT(F_DYNAMIC)  ) {

            stx_compiled_code_object code_object = (stx_compiled_code_object)(__externalAddressVal(self));

            if (code_object != NULL) {

                compiledCodeFromObject = stxCompiledCodeObjectGetCompiledCode(code_object);

            }

        }

    }

%}.

    self assert: compiledCode == compiledCodeFromObject

         description: 'compiled code mismatch'.

    ^ compiledCode.

    "Created: / 11-01-2016 / 09:31:34 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

sections

    | numSections |

    numSections := self numSections.

    (sections isNil or:[ sections size ~= numSections ]) ifTrue:[ 

        sections := (1 to: numSections) collect:[ :i | self getSection: i ].

    ].

    ^ sections

    "Created: / 07-12-2015 / 17:09:02 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CompiledCodeObject methodsFor:'initialization'!

setCompiledCode: aCompiledCode

    compiledCode := aCompiledCode

    "Created: / 11-01-2016 / 09:50:30 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CompiledCodeObject methodsFor:'inspecting'!

inspector2TabText

    <inspector2Tab>   

    self sections do:[:section | 

        section isTextSection ifTrue:[ 

            | tab |

            tab := section inspector2TabAssembly.

            tab notNil ifTrue:[

                tab label: '.text'.

                ^ tab.

            ].                    

        ].

    ].

    ^ nil

    "Created: / 11-12-2015 / 12:04:47 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 11-12-2015 / 14:11:16 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CompiledCodeObject methodsFor:'private'!

getSection: index

    | name addr size type |

%{

    if (__isSmallInteger(index)) {

        stx_compiled_code_object code_object = (stx_compiled_code_object)(__externalAddressVal(self));

        stx_compiled_code_object_section code_section;

        code_section = stxCompiledCodeObjectGetSection ( code_object , __intVal( index ) - 1 );

        if (code_section) {

            name = __MKSTRING ( code_section->section_name );

            size = __MKSMALLINT ( code_section->section_size );

            __PROTECT__(name);

            addr = __MKUINT( code_section->section_addr );

            __UNPROTECT__(name);

            type = __MKSMALLINT ( code_section->section_type );

        }

    }

%}.

    (name notNil and:[ addr notNil and:[ size notNil ]]) ifTrue:[ 

        ^ CompiledCodeObjectSection basicNew setObject: self name: name address: addr size: size type: type

    ].

    self primitiveFailed.

    "Created: / 07-12-2015 / 17:15:35 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 11-12-2015 / 10:06:26 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

numSections

    "Return the number of sections of this code object"

%{

    stx_compiled_code_object code_object = (stx_compiled_code_object)(__externalAddressVal(self));

    RETURN ( __MKSMALLINT( stxCompiledCodeObjectGetSectionCount ( code_object ) ) );

%}.

    self primitiveFailed.

    "Created: / 07-12-2015 / 16:36:29 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !