Mercurial > pub > dyncall > dyncall
comparison doc/manual/callconvs/callconv_sparc.tex @ 190:06ee88ce4962
- doc and comment fixes
| author | Tassilo Philipp |
|---|---|
| date | Tue, 14 Mar 2017 00:07:31 +0100 |
| parents | e210193f6cf1 |
| children | 600bd90afdb7 |
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| 189:b827c074b4da | 190:06ee88ce4962 |
|---|---|
| 60 \item stack parameter order: right-to-left | 60 \item stack parameter order: right-to-left |
| 61 \item caller cleans up the stack | 61 \item caller cleans up the stack |
| 62 \item stack always aligned to 8 bytes | 62 \item stack always aligned to 8 bytes |
| 63 \item first 6 integers and floats are passed independently in registers using \%o0-\%o5 | 63 \item first 6 integers and floats are passed independently in registers using \%o0-\%o5 |
| 64 \item for every other argument the stack is used | 64 \item for every other argument the stack is used |
| 65 \item all arguments <= 32 bit are passed as 32 bit values | 65 \item all arguments \textless=\ 32 bit are passed as 32 bit values |
| 66 \item 64 bit arguments are passed like two consecutive <= 32 bit values | 66 \item 64 bit arguments are passed like two consecutive \textless=\ 32 bit values |
| 67 \item minimum stack size is 64 bytes, b/c stack pointer must always point at enough space to store all \%i* and \%l* registers, used when running out of register windows | 67 \item minimum stack size is 64 bytes, b/c stack pointer must always point at enough space to store all \%i* and \%l* registers, used when running out of register windows |
| 68 \item if needed, register spill area is adjacent to parameters | 68 \item if needed, register spill area is adjacent to parameters |
| 69 \item results are expected by caller to be returned in \%o0\%o1 (after reg window restore, meaning callee writes to \%i0\%i1) for integers, \%f0/\%f1 for floats, and for structs/unions a pointer to them is used as a hidden stack parameter (see below) | 69 \item results are expected by caller to be returned in \%o0/\%o1 (after reg window restore, meaning callee writes to \%i0/\%i1) for integers, \%f0/\%f1 for floats, and for structs/unions a pointer to them is used as a hidden stack parameter (see below) |
| 70 \end{itemize} | 70 \end{itemize} |
| 71 | 71 |
| 72 \paragraph{Stack layout} | 72 \paragraph{Stack layout} |
| 73 | 73 |
| 74 Stack directly after function prolog:\\ | 74 Stack directly after function prolog:\\ |