Problems compiling the Self vm on linux ?

Mildred Ki'Lya mildred593 at
Thu Sep 8 14:08:56 UTC 2011


I would like to get into the source code of the Self vm a little bit. if
only to make it better, for example porting the gui to cairo on linux. But I
can't seem to compile it and get a working executable.

I created build scripts using redo on my personal
That's all the *.do files. these are basically shell scripts that mirror
what the release/buildLinuxVM script does. For the moment it only forward
orders to make, but I plan to make it compile everything once I am
successful getting a Self vm that works. The only major difference with
Makefiles is that I wrote are:

   - a perl script<>to
postprocess vm/linux/generated/Dependancies. The \ at end of lines got
   removed for unknown reasons, and the perl script just put them again.
   - I added back the -ldl linker flag, or else linking failed because it
   couldn't find dlopen

When I compile, I get a Self binary, but the linker tells me:

Compiling vmDate
Linking Self
/usr/bin/ld: warning: cannot find entry symbol start; defaulting to

When I start it, it seems to work:

$ ./Self
Self Virtual Machine Version 4.1.13, Thu 08 Sep 11 15:02:41 Linux
Copyright 1989-2003: The Self Group (type _Credits for credits)

for I386:  LogVMMessages = true
for I386:  PrintScriptName  = true
for I386:  Inline = true
for I386:  SICDeferUncommonBranches = false (not implemented)
for I386:  SICReplaceOnStack = false (not implemented)
for I386:  SaveOutgoingArgumentsOfPatchedFrames = true

But if I do anything, it crashes:

VM# *quit*

Internal error: signal 11 code 1 addr 0x53565759 pc 0x80df3bf.

VM Version: 4.1.13, Thu 08 Sep 11 15:02:41 Linux

Self process 17824 on silly has crashed.
Do you want to:
   1) Quit Self (optionally attempting to write a snapshot)
   2) Try to print the Self stack
   3) Try to return to the Self prompt
   4) Force a core dump
   5) Print the interrupted context registers
Your choice: 1
Enter snapshot name (hit return to omit snapshot) >
No snapshot specified, will skip this step

I get the same thing if I do ./Self -s ~/Downloads/Clean-4.4.snap (snapshot
downloaded from the Self website)

Do you have any idea of what went wrong?


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