Mercurial > pub > dyncall > dyncall
comparison doc/manual/callconvs/callconv_x64.tex @ 486:d160046da104
doc cleanup: removed outdated/wrong info and fixed wrong value size specs
| author | Tassilo Philipp |
|---|---|
| date | Thu, 17 Mar 2022 17:56:44 +0100 |
| parents | b47168dacba6 |
| children | 75cb8f79d725 |
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| 485:0c68b3f91367 | 486:d160046da104 |
|---|---|
| 104 | 104 |
| 105 | 105 |
| 106 \paragraph{Return values} | 106 \paragraph{Return values} |
| 107 | 107 |
| 108 \begin{itemize} | 108 \begin{itemize} |
| 109 \item return values of pointer or integral type (\textless=\ 64 bits) are returned via the rax register | 109 \item return values of pointer, integral or aggregate (structs and unions) type (\textless=\ 64 bits) are returned via the rax register |
| 110 \item floating point types are returned via the xmm0 register | 110 \item floating point types are returned via the xmm0 register |
| 111 \item aggregates (structs and unions) \textless\ 64 bits are returned via the rax register | 111 \item for any other type \textgreater\ 64 bits, a hidden first parameter, with an address to the return value is passed (for C++ thiscalls it is passed as {\bf second} parameter, after the this pointer) |
| 112 \item for types \textgreater\ 64 bits, a hidden first parameter, with an address to the return value is passed (for C++ thiscalls it is passed as {\bf second} parameter, after the this pointer) | |
| 113 \end{itemize} | 112 \end{itemize} |
| 114 | 113 |
| 115 | 114 |
| 116 \paragraph{Stack layout} | 115 \paragraph{Stack layout} |
| 117 | 116 |