Trying to bind to cpp code I stop at some moment having undefined
reference to some cpp function. But objdump -Ct cpplibrary.so shows me
that this cpp function exists in the library. linker message about cpp
function is _identical_ to objdump message so I don't know where is the
difference. For
I'm sure this question has been asked a thousand times. I've even
asked similar questions in the past (I've been away for quite a
while). But all of the tutorials that I have found assume quite a
lot and leave a lot to be inferred. Is there a simple step by
step tutorial demonstrating how to ca
On Friday, 26 May 2017 at 15:17:08 UTC, drug wrote:
Trying to bind to cpp code I stop at some moment having
undefined reference to some cpp function. But objdump -Ct
cpplibrary.so shows me that this cpp function exists in the
library. linker message about cpp function is _identical_ to
objdump
On Friday, 26 May 2017 at 15:17:08 UTC, drug wrote:
Trying to bind to cpp code I stop at some moment having
undefined reference to some cpp function. But objdump -Ct
cpplibrary.so shows me that this cpp function exists in the
library. linker message about cpp function is _identical_ to
objdump
27.05.2017 02:44, Nicholas Wilson пишет:
Thats weird. DMD may have got the mangling wrong. Could you post the
exact mangling (i.e. non-demangled)? And if DMD has got it wrong and its
just the one function you could just `pragma(mangle, ...);` it.
I use pragma(mangle, "...") (how I forget about i
On Friday, 26 May 2017 at 15:17:08 UTC, drug wrote:
Trying to bind to cpp code I stop at some moment having
undefined reference to some cpp function. But objdump -Ct
cpplibrary.so shows me that this cpp function exists in the
library. linker message about cpp function is _identical_ to
objdump
On Tuesday, 12 May 2015 at 03:20:34 UTC, TJB wrote:
I'm sure this question has been asked a thousand times. I've
even asked similar questions in the past (I've been away for
quite a while). But all of the tutorials that I have found
assume quite a lot and leave a lot to be inferred. Is there a
On Tuesday, 12 May 2015 at 03:20:34 UTC, TJB wrote:
I'm sure this question has been asked a thousand times. I've
even asked similar questions in the past (I've been away for
quite a while). But all of the tutorials that I have found
assume quite a lot and leave a lot to be inferred. Is there a
I'm working on generating a binding to a C library. I've got the
.h file converted and can call some parts of the library with no
errors. However, I have reached a stumbling block in a critical
part.
The library requires passing function pointers to various
functions in the library. When I tr
On Tuesday, 2 February 2016 at 22:56:28 UTC, jmh530 wrote:
I'm working on generating a binding to a C library. I've got
the .h file converted and can call some parts of the library
with no errors. However, I have reached a stumbling block in a
critical part.
The library requires passing funct
On Tuesday, 2 February 2016 at 22:56:28 UTC, jmh530 wrote:
My D code calls a C function. One of the parameters to the C
function is a function pointer to a D function. This D function
(below) is one that I copied from the C library's tutorial. I
only slightly changed the signature. This fun
On Wednesday, 3 February 2016 at 00:28:24 UTC, biozic wrote:
Is grad allocated in the D code? If so, it could have been
collected because the GC lost track of its use when passing to
and from the C code. Or is grad owned by the C code? If so,
either there is a bug in the library or it's misus
On Wednesday, 3 February 2016 at 00:37:25 UTC, Mike Parker wrote:
The parameter to the C function should be declared as
extern(C), and so should your function implementation.
extern(C) alias FuncPtr = double function(uint, const(double)*,
double*, void*);
extern(C) void takeFuncPtr(FuncPtr)
On Wednesday, 3 February 2016 at 04:19:37 UTC, jmh530 wrote:
A few extra questions: 1) In other parts of the code I'm using
extern(System), but that doesn't work for these. Why is
extern(C) used for function pointers?,
extern(C) is only used with function pointers when it's needed.
It depe
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