Here's what I know so far. Example x09ocaml.
(gdb) bt
#0 0x000000002009f810 in ?? ()
#1 0x00000000100305a8 in .caml_interprete ()
#2 0x000000001002bf14 in .caml_callbackN_exn ()
#3 0x000000001002c090 in .caml_callback2_exn ()
#4 0x000000001002c0c0 in .caml_callback2 ()
#5 0x0000000010017ff8 in ml_plotter (x=4, y=4, tx=0xfffffe08c08,
ty=0xfffffe08c28,
pltr_data=<value optimized out>) at plplot_impl.c:64
#6 0x0000040000065828 in .pldrawcn ()
from
/builddir/build/BUILD/plplot-5.9.0-svn8747/fedora/src/libplplotd.so.9
#7 0x0000040000065658 in .plcntr ()
from
/builddir/build/BUILD/plplot-5.9.0-svn8747/fedora/src/libplplotd.so.9
#8 0x0000040000065370 in .plfcont ()
from
/builddir/build/BUILD/plplot-5.9.0-svn8747/fedora/src/libplplotd.so.9
#9 0x0000040000065158 in .c_plcont ()
from
/builddir/build/BUILD/plplot-5.9.0-svn8747/fedora/src/libplplotd.so.9
#10 0x0000000010017c68 in ml_plcont (f=0x10081e00, nx=35, ny=46, kx=1,
lx=35, ky=1,
ly=46, clevel=0x10093d40, nlevel=11) at plplot_impl.c:203
#11 0x000000001001067c in camlidl_plplot_ml_plcont (_v_f=4398052624808,
_v_kx=3,
_v_lx=71, _v_ky=3, _v_ly=93, _v_clevel=4398052624472) at
plplot_stubs.c:3261
#12 0x000000001001071c in camlidl_plplot_ml_plcont_bytecode (
argv=<value optimized out>, argn=<value optimized out>) at
plplot_stubs.c:3268
#13 0x0000000010031db0 in .caml_interprete ()
#14 0x0000000010033ea4 in .caml_main ()
#15 0x0000000010018834 in .main ()
(gdb) list
59 if (pltr == NULL)
60 pltr = caml_named_value(CAML_PLPLOT_PLOTTER_FUNC_NAME);
61
62 // No check to see if a callback function has been
designated yet,
63 // because that is checked before we get to this point.
64 result =
65 caml_callback2(*pltr, caml_copy_double(x),
caml_copy_double(y));
66 double new_x, new_y;
67 new_x = Double_val( Field(result, 0) );
68 new_y = Double_val( Field(result, 1) );
(gdb) print *pltr
$1 = 4398052556888
(gdb) print x
$2 = 4
(gdb) print y
$3 = 4
(gdb) print pltr
$4 = (value *) 0x100813f0
--
Orion Poplawski
Technical Manager 303-415-9701 x222
NWRA/CoRA Division FAX: 303-415-9702
3380 Mitchell Lane [EMAIL PROTECTED]
Boulder, CO 80301 http://www.cora.nwra.com
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