• Jack (5/24) Dec 02 2020 called from:
• Jack (4/32) Dec 02 2020 for same reason, the dll build with ldc2 works fine, compiled
• Ferhat =?UTF-8?B?S3VydHVsbXXFnw==?= (3/25) Dec 02 2020 Just out of curiosity, are you sure that you compile both your c
• =?UTF-8?B?0JLQuNGC0LDQu9C40Lkg0KTQsNC0?= =?UTF-8?B?0LXQtdCy?= (2/29) Dec 03 2020 May be this will help: https://github.com/vitalfadeev/dlang-dll
• frame (2/3) Dec 03 2020 As always... have you tired dmd -m32mscoff ?

Jack <jckj33 gmail.com> writes:

D code:

import core.sys.windows.dll;

 mixin SimpleDllMain;

version(Windows) extern(C) export
int foo() { return 42; }

compiled with:
 dmd -ofmydll.dll -shared -m32 dll.d

called from:

typedef int (__cdecl *MYPROC)(void);
 
int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
               PWSTR szCmdLine, int CmdShow)
{
    HINSTANCE hinstLib;
    MYPROC ProcAdd;
    BOOL fFreeResult, fRunTimeLinkSuccess = FALSE;
 
    // Get a handle to the DLL module.
 
    hinstLib = LoadLibrary(TEXT("mydll.dll"));


but hinstLib is NULL and GetLastError() = 193:

 ERROR_BAD_EXE_FORMAT 193 (0xC1)
 %1 is not a valid Win32 application.

What am I missing?

Jack <jckj33 gmail.com> writes:

On Wednesday, 2 December 2020 at 19:42:37 UTC, Jack wrote:
 D code:

import core.sys.windows.dll;

 mixin SimpleDllMain;

version(Windows) extern(C) export
int foo() { return 42; }

 compiled with:
 dmd -ofmydll.dll -shared -m32 dll.d

 called from:

typedef int (__cdecl *MYPROC)(void);
 
int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE 
hPrevInstance,
               PWSTR szCmdLine, int CmdShow)
{
    HINSTANCE hinstLib;
    MYPROC ProcAdd;
    BOOL fFreeResult, fRunTimeLinkSuccess = FALSE;
 
    // Get a handle to the DLL module.
 
    hinstLib = LoadLibrary(TEXT("mydll.dll"));


 but hinstLib is NULL and GetLastError() = 193:

 ERROR_BAD_EXE_FORMAT 193 (0xC1)
 %1 is not a valid Win32 application.

 What am I missing?

for same reason, the dll build with ldc2 works fine, compiled 
with:

ldc2 -shared dll.d -ofmydll.dll

what am I missing?

Ferhat =?UTF-8?B?S3VydHVsbXXFnw==?= <aferust gmail.com> writes:

On Wednesday, 2 December 2020 at 20:08:29 UTC, Jack wrote:
 On Wednesday, 2 December 2020 at 19:42:37 UTC, Jack wrote:
 D code:

[...]

 compiled with:
 [...]

 called from:

    [...]


 but hinstLib is NULL and GetLastError() = 193:

 [...]

 What am I missing?

 for same reason, the dll build with ldc2 works fine, compiled 
 with:

ldc2 -shared dll.d -ofmydll.dll

 what am I missing?

Just out of curiosity, are you sure that you compile both your c 
and d codes for the same arc?

=?UTF-8?B?0JLQuNGC0LDQu9C40Lkg0KTQsNC0?= =?UTF-8?B?0LXQtdCy?= writes:

On Wednesday, 2 December 2020 at 19:42:37 UTC, Jack wrote:
 D code:

import core.sys.windows.dll;

 mixin SimpleDllMain;

version(Windows) extern(C) export
int foo() { return 42; }

 compiled with:
 dmd -ofmydll.dll -shared -m32 dll.d

 called from:

typedef int (__cdecl *MYPROC)(void);
 
int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE 
hPrevInstance,
               PWSTR szCmdLine, int CmdShow)
{
    HINSTANCE hinstLib;
    MYPROC ProcAdd;
    BOOL fFreeResult, fRunTimeLinkSuccess = FALSE;
 
    // Get a handle to the DLL module.
 
    hinstLib = LoadLibrary(TEXT("mydll.dll"));


 but hinstLib is NULL and GetLastError() = 193:

 ERROR_BAD_EXE_FORMAT 193 (0xC1)
 %1 is not a valid Win32 application.

 What am I missing?

May be this will help: https://github.com/vitalfadeev/dlang-dll

frame <frame86 live.com> writes:

On Wednesday, 2 December 2020 at 19:42:37 UTC, Jack wrote:
 What am I missing?

As always... have you tired dmd -m32mscoff ?