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Re: Non recoverable manager.dat

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Seth Berman

Re: Non recoverable manager.dat

Greetings,

With the image, all you have to work with is the bytecodes. So the only real possibility is a bytecode decompiler which can generally give one possible source that maps to the bytecodes (though generally an obfuscated one).

I know one used to exist a long time ago for 32-bit VisualAge Smalltalk but Instantiations is not in possession of it.

- Seth

On Thursday, May 9, 2019 at 1:58:26 AM UTC-4, OVE Contact wrote:

Hello,

I have a Smalltalk image with a lot of code. I don't have any backup of the library (manager.dat) but I would like to recover the source code of my applications from my image abt.icx, anyone could help me ?
Thanks in advance

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jtuchel

Re: Non recoverable manager.dat

Seth,

now that you mention it, I seem to remember a topic like this has once been discussed on either this forum or comp.lang.smalltalk many, many moons ago. I am not even completely sure it was a thread on VisualWorks or VisualAge. I wouldn't be surprised if this thread dates back to the last millenium...

So it may be worth DuckDuckGoing for a few keywords like 'Bytecode decompiler', 'Smalltalk lost source' and the like. Not sure I have much more helpful to add here...

Joachim

Am Donnerstag, 9. Mai 2019 12:45:42 UTC+2 schrieb Seth Berman:

Greetings,

With the image, all you have to work with is the bytecodes. So the only real possibility is a bytecode decompiler which can generally give one possible source that maps to the bytecodes (though generally an obfuscated one).
I know one used to exist a long time ago for 32-bit VisualAge Smalltalk but Instantiations is not in possession of it.

- Seth

On Thursday, May 9, 2019 at 1:58:26 AM UTC-4, OVE Contact wrote:

Hello,

I have a Smalltalk image with a lot of code. I don't have any backup of the library (manager.dat) but I would like to recover the source code of my applications from my image abt.icx, anyone could help me ?
Thanks in advance

--
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Seth Berman

Re: Non recoverable manager.dat

Thanks Joachim,

I'll also take a look in the "archives". I've seen this work before and I've seen the output from it.

I don't know if there are certain methods it can't do, but from the methods I saw it looked horribly obfuscated.

I would imagine any sizable codebase reconstructed from this means is going to get interesting.

But if we can find it, at least it may give hope. I'll report back if I find anything.

- Seth

On Friday, May 10, 2019 at 7:56:33 AM UTC-4, Joachim Tuchel wrote:

Seth,

now that you mention it, I seem to remember a topic like this has once been discussed on either this forum or comp.lang.smalltalk many, many moons ago. I am not even completely sure it was a thread on VisualWorks or VisualAge. I wouldn't be surprised if this thread dates back to the last millenium...

So it may be worth DuckDuckGoing for a few keywords like 'Bytecode decompiler', 'Smalltalk lost source' and the like. Not sure I have much more helpful to add here...

Joachim

Am Donnerstag, 9. Mai 2019 12:45:42 UTC+2 schrieb Seth Berman:
Greetings,

With the image, all you have to work with is the bytecodes. So the only real possibility is a bytecode decompiler which can generally give one possible source that maps to the bytecodes (though generally an obfuscated one).
I know one used to exist a long time ago for 32-bit VisualAge Smalltalk but Instantiations is not in possession of it.

- Seth

On Thursday, May 9, 2019 at 1:58:26 AM UTC-4, OVE Contact wrote:

Hello,

I have a Smalltalk image with a lot of code. I don't have any backup of the library (manager.dat) but I would like to recover the source code of my applications from my image abt.icx, anyone could help me ?
Thanks in advance

--
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Louis LaBrunda

Re: Non recoverable manager.dat

In reply to this post by Seth Berman

Hi,

Do you have any library at all, even if it is damaged?

Lou

On Thursday, May 9, 2019 at 1:58:26 AM UTC-4, OVE Contact wrote:

Hello,

I have a Smalltalk image with a lot of code. I don't have any backup of the library (manager.dat) but I would like to recover the source code of my applications from my image abt.icx, anyone could help me ?
Thanks in advance

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Olivier Picot

Re: Non recoverable manager.dat

In fact, when I say "lost", it means that I don't even have the .dat file ....

Le vendredi 10 mai 2019 17:01:05 UTC+4, Louis LaBrunda a écrit :

Hi,

Do you have any library at all, even if it is damaged?

Lou

On Thursday, May 9, 2019 at 1:58:26 AM UTC-4, OVE Contact wrote:

Hello,

I have a Smalltalk image with a lot of code. I don't have any backup of the library (manager.dat) but I would like to recover the source code of my applications from my image abt.icx, anyone could help me ?
Thanks in advance

--
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Olivier Picot

Re: Non recoverable manager.dat

In reply to this post by Seth Berman

Thank you for your answer, if you find anything, this would be very helpful !!!

Le vendredi 10 mai 2019 16:20:13 UTC+4, Seth Berman a écrit :

Thanks Joachim,

I'll also take a look in the "archives". I've seen this work before and I've seen the output from it.
I don't know if there are certain methods it can't do, but from the methods I saw it looked horribly obfuscated.
I would imagine any sizable codebase reconstructed from this means is going to get interesting.
But if we can find it, at least it may give hope. I'll report back if I find anything.

- Seth

On Friday, May 10, 2019 at 7:56:33 AM UTC-4, Joachim Tuchel wrote:
Seth,

now that you mention it, I seem to remember a topic like this has once been discussed on either this forum or comp.lang.smalltalk many, many moons ago. I am not even completely sure it was a thread on VisualWorks or VisualAge. I wouldn't be surprised if this thread dates back to the last millenium...

So it may be worth DuckDuckGoing for a few keywords like 'Bytecode decompiler', 'Smalltalk lost source' and the like. Not sure I have much more helpful to add here...

Joachim

Am Donnerstag, 9. Mai 2019 12:45:42 UTC+2 schrieb Seth Berman:
Greetings,

With the image, all you have to work with is the bytecodes. So the only real possibility is a bytecode decompiler which can generally give one possible source that maps to the bytecodes (though generally an obfuscated one).
I know one used to exist a long time ago for 32-bit VisualAge Smalltalk but Instantiations is not in possession of it.

- Seth

On Thursday, May 9, 2019 at 1:58:26 AM UTC-4, OVE Contact wrote:

Hello,

I have a Smalltalk image with a lot of code. I don't have any backup of the library (manager.dat) but I would like to recover the source code of my applications from my image abt.icx, anyone could help me ?
Thanks in advance

--
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Richard Sargent

Re: Non recoverable manager.dat

Administrator

In reply to this post by Seth Berman

On Friday, May 10, 2019 at 5:20:13 AM UTC-7, Seth Berman wrote:

Thanks Joachim,

I'll also take a look in the "archives". I've seen this work before and I've seen the output from it.
I don't know if there are certain methods it can't do, but from the methods I saw it looked horribly obfuscated.
I would imagine any sizable codebase reconstructed from this means is going to get interesting.
But if we can find it, at least it may give hope. I'll report back if I find anything.

There is a K9 tool available. In earlier versions, it would add a tab to the bottom pane and show a byte code disassembly of the method. But, no reverse engineering to Smalltalk.

I don't recall the details of that now.

- Seth

On Friday, May 10, 2019 at 7:56:33 AM UTC-4, Joachim Tuchel wrote:
Seth,

now that you mention it, I seem to remember a topic like this has once been discussed on either this forum or comp.lang.smalltalk many, many moons ago. I am not even completely sure it was a thread on VisualWorks or VisualAge. I wouldn't be surprised if this thread dates back to the last millenium...

So it may be worth DuckDuckGoing for a few keywords like 'Bytecode decompiler', 'Smalltalk lost source' and the like. Not sure I have much more helpful to add here...

Joachim

Am Donnerstag, 9. Mai 2019 12:45:42 UTC+2 schrieb Seth Berman:
Greetings,

With the image, all you have to work with is the bytecodes. So the only real possibility is a bytecode decompiler which can generally give one possible source that maps to the bytecodes (though generally an obfuscated one).
I know one used to exist a long time ago for 32-bit VisualAge Smalltalk but Instantiations is not in possession of it.

- Seth

On Thursday, May 9, 2019 at 1:58:26 AM UTC-4, OVE Contact wrote:

Hello,

I have a Smalltalk image with a lot of code. I don't have any backup of the library (manager.dat) but I would like to recover the source code of my applications from my image abt.icx, anyone could help me ?
Thanks in advance

--
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Richard Sargent

Re: Non recoverable manager.dat

Administrator

Correction and details; see below.

On Friday, May 10, 2019 at 1:12:05 PM UTC-7, Richard Sargent wrote:

On Friday, May 10, 2019 at 5:20:13 AM UTC-7, Seth Berman wrote:
Thanks Joachim,

I'll also take a look in the "archives". I've seen this work before and I've seen the output from it.
I don't know if there are certain methods it can't do, but from the methods I saw it looked horribly obfuscated.
I would imagine any sizable codebase reconstructed from this means is going to get interesting.
But if we can find it, at least it may give hope. I'll report back if I find anything.

There is a K9 tool available. In earlier versions, it would add a tab to the bottom pane and show a byte code disassembly of the method. But, no reverse engineering to Smalltalk.
I don't recall the details of that now.

K8Disassembler. I guess I had dogs on my mind when I wrote K9.

You can enable it via EtVMTools class>>#displayBytecodes:. When enabled, subsequent newly opened browser windows will include a second text pane beside the source showing the byte code disassembly. As far as I have seen, there is no way to toggle the pane on and off in a browser.

- Seth

On Friday, May 10, 2019 at 7:56:33 AM UTC-4, Joachim Tuchel wrote:
Seth,

now that you mention it, I seem to remember a topic like this has once been discussed on either this forum or comp.lang.smalltalk many, many moons ago. I am not even completely sure it was a thread on VisualWorks or VisualAge. I wouldn't be surprised if this thread dates back to the last millenium...

So it may be worth DuckDuckGoing for a few keywords like 'Bytecode decompiler', 'Smalltalk lost source' and the like. Not sure I have much more helpful to add here...

Joachim

Am Donnerstag, 9. Mai 2019 12:45:42 UTC+2 schrieb Seth Berman:
Greetings,

With the image, all you have to work with is the bytecodes. So the only real possibility is a bytecode decompiler which can generally give one possible source that maps to the bytecodes (though generally an obfuscated one).
I know one used to exist a long time ago for 32-bit VisualAge Smalltalk but Instantiations is not in possession of it.

- Seth

On Thursday, May 9, 2019 at 1:58:26 AM UTC-4, OVE Contact wrote:

Hello,

I have a Smalltalk image with a lot of code. I don't have any backup of the library (manager.dat) but I would like to recover the source code of my applications from my image abt.icx, anyone could help me ?
Thanks in advance

--
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Olivier Picot

Re: Non recoverable manager.dat

Thanks a lot, I will try that and let you know !!!

Le vendredi 7 juin 2019, Richard Sargent <[hidden email]> a écrit :

Correction and details; see below.

On Friday, May 10, 2019 at 1:12:05 PM UTC-7, Richard Sargent wrote:
On Friday, May 10, 2019 at 5:20:13 AM UTC-7, Seth Berman wrote:
Thanks Joachim,

I'll also take a look in the "archives". I've seen this work before and I've seen the output from it.
I don't know if there are certain methods it can't do, but from the methods I saw it looked horribly obfuscated.
I would imagine any sizable codebase reconstructed from this means is going to get interesting.
But if we can find it, at least it may give hope. I'll report back if I find anything.

There is a K9 tool available. In earlier versions, it would add a tab to the bottom pane and show a byte code disassembly of the method. But, no reverse engineering to Smalltalk.
I don't recall the details of that now.

K8Disassembler. I guess I had dogs on my mind when I wrote K9.

You can enable it via EtVMTools class>>#displayBytecodes:. When enabled, subsequent newly opened browser windows will include a second text pane beside the source showing the byte code disassembly. As far as I have seen, there is no way to toggle the pane on and off in a browser.

- Seth

On Friday, May 10, 2019 at 7:56:33 AM UTC-4, Joachim Tuchel wrote:
Seth,

now that you mention it, I seem to remember a topic like this has once been discussed on either this forum or comp.lang.smalltalk many, many moons ago. I am not even completely sure it was a thread on VisualWorks or VisualAge. I wouldn't be surprised if this thread dates back to the last millenium...

So it may be worth DuckDuckGoing for a few keywords like 'Bytecode decompiler', 'Smalltalk lost source' and the like. Not sure I have much more helpful to add here...

Joachim

Am Donnerstag, 9. Mai 2019 12:45:42 UTC+2 schrieb Seth Berman:
Greetings,

With the image, all you have to work with is the bytecodes. So the only real possibility is a bytecode decompiler which can generally give one possible source that maps to the bytecodes (though generally an obfuscated one).
I know one used to exist a long time ago for 32-bit VisualAge Smalltalk but Instantiations is not in possession of it.

- Seth

On Thursday, May 9, 2019 at 1:58:26 AM UTC-4, OVE Contact wrote:

Hello,

I have a Smalltalk image with a lot of code. I don't have any backup of the library (manager.dat) but I would like to recover the source code of my applications from my image abt.icx, anyone could help me ?
Thanks in advance

--
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For more options, visit https://groups.google.com/d/optout.

Olivier PICOT
[hidden email]
http://www.object-ive.com

96, 98 rue de Montreuil
75011 PARIS
Tel : (+331) 40 09 71 55
Mob : (+336) 60 07 58 48
Fax : (+331) 40 09 71 23

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Olivier Picot

Re: Non recoverable manager.dat

In reply to this post by Richard Sargent

Richard,

I didn't succeed in finding the K8Disassembler library, would you have an url / pointer ?

Thanks in advance

Le ven. 7 juin 2019 à 21:37, Richard Sargent <[hidden email]> a écrit :

Correction and details; see below.

On Friday, May 10, 2019 at 1:12:05 PM UTC-7, Richard Sargent wrote:
On Friday, May 10, 2019 at 5:20:13 AM UTC-7, Seth Berman wrote:
Thanks Joachim,

I'll also take a look in the "archives". I've seen this work before and I've seen the output from it.
I don't know if there are certain methods it can't do, but from the methods I saw it looked horribly obfuscated.
I would imagine any sizable codebase reconstructed from this means is going to get interesting.
But if we can find it, at least it may give hope. I'll report back if I find anything.

There is a K9 tool available. In earlier versions, it would add a tab to the bottom pane and show a byte code disassembly of the method. But, no reverse engineering to Smalltalk.
I don't recall the details of that now.

K8Disassembler. I guess I had dogs on my mind when I wrote K9.

You can enable it via EtVMTools class>>#displayBytecodes:. When enabled, subsequent newly opened browser windows will include a second text pane beside the source showing the byte code disassembly. As far as I have seen, there is no way to toggle the pane on and off in a browser.

- Seth

On Friday, May 10, 2019 at 7:56:33 AM UTC-4, Joachim Tuchel wrote:
Seth,

now that you mention it, I seem to remember a topic like this has once been discussed on either this forum or comp.lang.smalltalk many, many moons ago. I am not even completely sure it was a thread on VisualWorks or VisualAge. I wouldn't be surprised if this thread dates back to the last millenium...

So it may be worth DuckDuckGoing for a few keywords like 'Bytecode decompiler', 'Smalltalk lost source' and the like. Not sure I have much more helpful to add here...

Joachim

Am Donnerstag, 9. Mai 2019 12:45:42 UTC+2 schrieb Seth Berman:
Greetings,

With the image, all you have to work with is the bytecodes. So the only real possibility is a bytecode decompiler which can generally give one possible source that maps to the bytecodes (though generally an obfuscated one).
I know one used to exist a long time ago for 32-bit VisualAge Smalltalk but Instantiations is not in possession of it.

- Seth

On Thursday, May 9, 2019 at 1:58:26 AM UTC-4, OVE Contact wrote:

Hello,

I have a Smalltalk image with a lot of code. I don't have any backup of the library (manager.dat) but I would like to recover the source code of my applications from my image abt.icx, anyone could help me ?
Thanks in advance

--
You received this message because you are subscribed to the Google Groups "VA Smalltalk" group.
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For more options, visit https://groups.google.com/d/optout.

Olivier PICOT
[hidden email]
http://www.object-ive.com

96, 98 rue de Montreuil
75011 PARIS
Tel : (+331) 40 09 71 55
Mob : (+336) 60 07 58 48
Fax : (+331) 40 09 71 23

--
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Richard Sargent

Re: Non recoverable manager.dat

Administrator

On Fri, Jun 14, 2019 at 5:11 AM Olivier Picot <[hidden email]> wrote:

Richard,

I didn't succeed in finding the K8Disassembler library, would you have an url / pointer ?

It is a class, which should be loaded in your image since EtTools depends on it.

Thanks in advance

Le ven. 7 juin 2019 à 21:37, Richard Sargent <[hidden email]> a écrit :
Correction and details; see below.

On Friday, May 10, 2019 at 1:12:05 PM UTC-7, Richard Sargent wrote:
On Friday, May 10, 2019 at 5:20:13 AM UTC-7, Seth Berman wrote:
Thanks Joachim,

I'll also take a look in the "archives". I've seen this work before and I've seen the output from it.
I don't know if there are certain methods it can't do, but from the methods I saw it looked horribly obfuscated.
I would imagine any sizable codebase reconstructed from this means is going to get interesting.
But if we can find it, at least it may give hope. I'll report back if I find anything.

There is a K9 tool available. In earlier versions, it would add a tab to the bottom pane and show a byte code disassembly of the method. But, no reverse engineering to Smalltalk.
I don't recall the details of that now.

K8Disassembler. I guess I had dogs on my mind when I wrote K9.

You can enable it via EtVMTools class>>#displayBytecodes:. When enabled, subsequent newly opened browser windows will include a second text pane beside the source showing the byte code disassembly. As far as I have seen, there is no way to toggle the pane on and off in a browser.

- Seth

On Friday, May 10, 2019 at 7:56:33 AM UTC-4, Joachim Tuchel wrote:
Seth,

now that you mention it, I seem to remember a topic like this has once been discussed on either this forum or comp.lang.smalltalk many, many moons ago. I am not even completely sure it was a thread on VisualWorks or VisualAge. I wouldn't be surprised if this thread dates back to the last millenium...

So it may be worth DuckDuckGoing for a few keywords like 'Bytecode decompiler', 'Smalltalk lost source' and the like. Not sure I have much more helpful to add here...

Joachim

Am Donnerstag, 9. Mai 2019 12:45:42 UTC+2 schrieb Seth Berman:
Greetings,

With the image, all you have to work with is the bytecodes. So the only real possibility is a bytecode decompiler which can generally give one possible source that maps to the bytecodes (though generally an obfuscated one).
I know one used to exist a long time ago for 32-bit VisualAge Smalltalk but Instantiations is not in possession of it.

- Seth

On Thursday, May 9, 2019 at 1:58:26 AM UTC-4, OVE Contact wrote:

Hello,

I have a Smalltalk image with a lot of code. I don't have any backup of the library (manager.dat) but I would like to recover the source code of my applications from my image abt.icx, anyone could help me ?
Thanks in advance

--
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For more options, visit https://groups.google.com/d/optout.

--

Olivier PICOT
[hidden email]
http://www.object-ive.com

96, 98 rue de Montreuil
75011 PARIS
Tel : (+331) 40 09 71 55
Mob : (+336) 60 07 58 48
Fax : (+331) 40 09 71 23

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Adriaan van Os-3

Re: Non recoverable manager.dat

In reply to this post by Richard Sargent

You can enable it via EtVMTools class>>#displayBytecodes:. When enabled, subsequent newly opened browser windows will include a second text pane beside the source showing the byte code disassembly. As far as I have seen, there is no way to toggle the pane on and off in a browser.

Thanks. I always forget where that thing lives after a while. Now I'm trying it in 9.1 (Win64) and, if enabled, all the panes are kinda minimized and byte codes pane is showing.....

Cheers,

Adriaan.

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Richard Sargent

Re: Non recoverable manager.dat

Administrator

On Friday, June 14, 2019 at 11:06:46 AM UTC-7, Adriaan van Os wrote:

You can enable it via EtVMTools class>>#displayBytecodes:. When enabled, subsequent newly opened browser windows will include a second text pane beside the source showing the byte code disassembly. As far as I have seen, there is no way to toggle the pane on and off in a browser.

Thanks. I always forget where that thing lives after a while. Now I'm trying it in 9.1 (Win64) and, if enabled, all the panes are kinda minimized and byte codes pane is not showing.....

Oh, that *is* a mess. I hadn't seen that before. (And I don't remember which version I last tried it in.)

Seth, in your infinite free time, perhaps you could look into this.

Cheers,
Adriaan.

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Seth Berman

Re: Non recoverable manager.dat

Hi Richard,

I believe this is in our support queue and being looked at.

- Seth

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Olivier Picot

Re: Non recoverable manager.dat

Effectively, in VAST 9.x, I have the same problem.

In vast 6.0, this works correctly.

What I would need now is the byte code decompiler, do you have any idea ?

Thanks in advance

Le mar. 18 juin 2019 à 23:44, 'Seth Berman' via VA Smalltalk <[hidden email]> a écrit :

Hi Richard,

I believe this is in our support queue and being looked at.

- Seth

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Olivier PICOT
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Richard Sargent

Re: Non recoverable manager.dat

Administrator

On Tue, Jun 18, 2019, 23:34 Olivier Picot <[hidden email]> wrote:

Effectively, in VAST 9.x, I have the same problem.
In vast 6.0, this works correctly.
What I would need now is the byte code decompiler, do you have any idea ?

Study the K8Disassembler class. There is the broken GUI, but as far as I know, the disassembler works. (GUI vs model, if you would)

Thanks in advance

Le mar. 18 juin 2019 à 23:44, 'Seth Berman' via VA Smalltalk <[hidden email]> a écrit :
Hi Richard,

I believe this is in our support queue and being looked at.

- Seth

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