Mercurial > pub > dyncall > dyncall
comparison test/plain_c++/test_main.cc @ 557:b36a738c8975
- dyncallback: fix for calling back win/x64 C++ methods returning non-trivial aggregates (thanks Raphael!)
- test/callback_plain_c++:
* added test code for C++ method callbacks returning non-trivial aggregates
* makefile linker command fix (was linking assuming c and not c++)
- test/plain_c++: comments for completeness
| author | Tassilo Philipp |
|---|---|
| date | Sat, 20 Aug 2022 21:04:15 +0200 |
| parents | 0c3f5355769d |
| children | fcb9d00b5a00 |
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| 556:49b60ca068c2 | 557:b36a738c8975 |
|---|---|
| 85 | 85 |
| 86 // #define VTBI_DESTRUCTOR 0 | 86 // #define VTBI_DESTRUCTOR 0 |
| 87 | 87 |
| 88 /* | 88 /* |
| 89 * the layout of the VTable is non-standard and it is not clear what is the initial real first method index. | 89 * the layout of the VTable is non-standard and it is not clear what is the initial real first method index. |
| 90 * so far it turns out that: | 90 * so far it turns out, *iff* dtor is defined, that: |
| 91 * on vc/x86 : 1 | 91 * on msvc/x86 : 1 |
| 92 * on GCC/x86 : 2 | 92 * on msvc/x64 : 1 |
| 93 * on gcc/x86 : 2 | |
| 94 * on gcc/x64 : 2 | |
| 95 * on clang/x86 : 2 | |
| 96 * on clang/x64 : 2 | |
| 93 */ | 97 */ |
| 94 | 98 |
| 99 // vtable offset to first func of class Value and class ValueMS, skipping dtor | |
| 95 #if defined DC__C_MSVC | 100 #if defined DC__C_MSVC |
| 96 #define VTBI_BASE 1 | 101 #define VTBI_BASE 1 |
| 97 #else | 102 #else |
| 98 #define VTBI_BASE 2 | 103 #define VTBI_BASE 2 |
| 99 #endif | 104 #endif |