digitalmars.D - std.gc.setHandle causes Access Violation
- Sjoerd van Leent (24/24) May 17 2006 Using a shared DLL and a client Executable, both written in D, I'd like
- Unknown W. Brackets (17/50) May 17 2006 I'm doing this in some code:
- Sjoerd van Leent (6/65) May 18 2006 As far as I know, my implementation isn't much different. The init
- Walter Bright (2/8) May 18 2006 I'd try using windbg on it.
- Sjoerd van Leent (6/15) May 25 2006 It's a linkage problem, probably a corrupted stack. Using ordinary D
Using a shared DLL and a client Executable, both written in D, I'd like
to be able to use std.gc.setGCHandle, as mentioned in the Win32 DLL
example. However, I am getting an Access Violation Error, right when the
call to std.gc.setHandle is made.
Does anyone know about this problem, and how to solve it?
This is the code setting the GC handler on the DLL side:
extern(C) export void libraryInit(void * gc) {
MessageBoxA(null, "Library Initializing", "Library", MB_OK);
std.gc.setGCHandle(gc);
_minit();
_moduleCtor();
}
This is the code, on the Executable side:
alias void function(void * gc) LibraryInitFP;
...
fp = GetProcAddress(mod.h, "libraryInit");
if(fp != null) {
mod.libraryInitFP = cast(LibraryInitFP)(fp);
}
if(mod.libraryInitFP != null) {
(*mod.libraryInitFP)(std.gc.getGCHandle());
}
Regards,
Sjoerd
May 17 2006
I'm doing this in some code:
extern (C)
export void initialize(void* gc)
{
std.gc.setGCHandle(gc);
_minit();
_moduleCtor();
_moduleUnitTests();
}
And then to load it:
alias void function(void*) initialize_fp;
initialize_fp init_f;
init_f = GetLibraryFunction!(initialize_fp)(module, "initialize");
init_f(std.gc.getGCHandle());
And I haven't had any problems. That said, I haven't yet updated to the
latest latest DMD version.
-[Unknown]
Using a shared DLL and a client Executable, both written in D, I'd like
to be able to use std.gc.setGCHandle, as mentioned in the Win32 DLL
example. However, I am getting an Access Violation Error, right when the
call to std.gc.setHandle is made.
Does anyone know about this problem, and how to solve it?
This is the code setting the GC handler on the DLL side:
extern(C) export void libraryInit(void * gc) {
MessageBoxA(null, "Library Initializing", "Library", MB_OK);
std.gc.setGCHandle(gc);
_minit();
_moduleCtor();
}
This is the code, on the Executable side:
alias void function(void * gc) LibraryInitFP;
...
fp = GetProcAddress(mod.h, "libraryInit");
if(fp != null) {
mod.libraryInitFP = cast(LibraryInitFP)(fp);
}
if(mod.libraryInitFP != null) {
(*mod.libraryInitFP)(std.gc.getGCHandle());
}
Regards,
Sjoerd
May 17 2006
Sjoerd van Leent <svanleent gmail.com>
As far as I know, my implementation isn't much different. The init
method is properly called, there is a value passed to it. But I still
get the same problem.
Regards,
Sjoerd
Unknown W. Brackets schreef:
I'm doing this in some code:
extern (C)
export void initialize(void* gc)
{
std.gc.setGCHandle(gc);
_minit();
_moduleCtor();
_moduleUnitTests();
}
And then to load it:
alias void function(void*) initialize_fp;
initialize_fp init_f;
init_f = GetLibraryFunction!(initialize_fp)(module, "initialize");
init_f(std.gc.getGCHandle());
And I haven't had any problems. That said, I haven't yet updated to the
latest latest DMD version.
-[Unknown]
Using a shared DLL and a client Executable, both written in D, I'd
like to be able to use std.gc.setGCHandle, as mentioned in the Win32
DLL example. However, I am getting an Access Violation Error, right
when the call to std.gc.setHandle is made.
Does anyone know about this problem, and how to solve it?
This is the code setting the GC handler on the DLL side:
extern(C) export void libraryInit(void * gc) {
MessageBoxA(null, "Library Initializing", "Library", MB_OK);
std.gc.setGCHandle(gc);
_minit();
_moduleCtor();
}
This is the code, on the Executable side:
alias void function(void * gc) LibraryInitFP;
...
fp = GetProcAddress(mod.h, "libraryInit");
if(fp != null) {
mod.libraryInitFP = cast(LibraryInitFP)(fp);
}
if(mod.libraryInitFP != null) {
(*mod.libraryInitFP)(std.gc.getGCHandle());
}
Regards,
Sjoerd
May 18 2006
Sjoerd van Leent wrote:Using a shared DLL and a client Executable, both written in D, I'd like to be able to use std.gc.setGCHandle, as mentioned in the Win32 DLL example. However, I am getting an Access Violation Error, right when the call to std.gc.setHandle is made. Does anyone know about this problem, and how to solve it?I'd try using windbg on it.
May 18 2006
Walter Bright schreef:Sjoerd van Leent wrote:It's a linkage problem, probably a corrupted stack. Using ordinary D linkage (together with the mangled names) works fine. Seems that I've got to dive into std.demangle... Regards, SjoerdUsing a shared DLL and a client Executable, both written in D, I'd like to be able to use std.gc.setGCHandle, as mentioned in the Win32 DLL example. However, I am getting an Access Violation Error, right when the call to std.gc.setHandle is made. Does anyone know about this problem, and how to solve it?I'd try using windbg on it.
May 25 2006