[MLton-devel] RE: calling SML from C in MLton

[Mike Thomas]

Hi again.

I just realised I could break at the address thrown out in the stack dump:

(gdb) break *4411336
Breakpoint 1 at 0x434fc8: file gc.c, line 359.
(gdb) run
Starting program: /c/lang/source/cygwin/mlton-20030419/mllex/mllex

Breakpoint 1, 0x00434fc8 in copy (src=0x632f6563 <Address 0x632f6563 out of
boun
ds>, dst=0x69776779 <Address 0x69776779 out of bounds>, size=1819094894) at
gc.c
:359
359     gc.c: No such file or directory.
        in gc.c
(gdb)

ALso just saw your other email - I'll try that too.

Cheers

Mike Thomas.

| -----Original Message-----
| From: Stephen Weeks [mailto:sweeks@sweeks.com]
| Sent: Thursday, May 01, 2003 2:59 PM
| To: Mike Thomas
| Cc: MLton@mlton.org
| Subject: RE: [MLton-devel] RE: calling SML from C in MLton
|
|
|
| > Running under "gdb" seems superficially OK eg:
|
| The straces you sent seem superficially OK too -- notice the
| appearance of the "no files" usage message.  So both gdb and strace
| appear to be tweaking stuff enough to miss the bug.
|
| > Maybe you could forward a debug symbol version of the mllex
| > executable plus an appropriate break point label (presumably main)
| > to start debugging from?
|
| It might be easier if you build it yourself.  You can do so by adding
| "-debug true -native false" to the FLAGS line in mllex/Makefile and
| running make in the mllex directory.  I'm curious to see how that
| version runs.  Actually, I'm also curious to see how it runs if you
| build a version on your machine without the extra flags too.
|
|




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