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- added helper function dcGetModeFromCCSigChar() mapping callconv sig chars to respective mode - added a signature-based syscall to callf testcode - manual clarification about dcReset usage in combination with dcMode
author Tassilo Philipp
date Tue, 14 Apr 2020 16:56:57 +0200
parents 32736025371f
children 71c884e610f0
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361:06c9adae114d 362:78dfa2f9783a
1 .\" Copyright (c) 2007-2013 Daniel Adler <dadler AT uni-goettingen DOT de>, 1 .\" Copyright (c) 2007-2020 Daniel Adler <dadler AT uni-goettingen DOT de>,
2 .\" Tassilo Philipp <tphilipp AT potion-studios DOT com> 2 .\" Tassilo Philipp <tphilipp AT potion-studios DOT com>
3 .\" 3 .\"
4 .\" Permission to use, copy, modify, and distribute this software for any 4 .\" Permission to use, copy, modify, and distribute this software for any
5 .\" purpose with or without fee is hereby granted, provided that the above 5 .\" purpose with or without fee is hereby granted, provided that the above
6 .\" copyright notice and this permission notice appear in all copies. 6 .\" copyright notice and this permission notice appear in all copies.
110 available modes. Note that some mode/platform combinations don't make any 110 available modes. Note that some mode/platform combinations don't make any
111 sense (e.g. using a PowerPC calling convention on a MIPS platform) and are 111 sense (e.g. using a PowerPC calling convention on a MIPS platform) and are
112 silently ignored. 112 silently ignored.
113 .Pp 113 .Pp
114 .Fn dcReset 114 .Fn dcReset
115 resets the internal stack of arguments and prepares it for a new call. 115 resets the internal stack of arguments and prepares it for a new call. This
116 This function should be called after setting the call mode (using dcMode), but 116 function should be called after setting the call mode (using dcMode), but prior
117 prior to binding arguments to the CallVM. Use it also when reusing a CallVM, as 117 to binding arguments to the CallVM (except for when setting mode
118 arguments don't get flushed automatically after a function call invocation. 118 DC_SIGCHAR_CC_ELLIPSIS_VARARGS, which is used prior to binding varargs of
119 Note: you should also call this function after initial creation of the a CallVM 119 variadic functions). Use it also when reusing a CallVM, as arguments don't get
120 object, as dcNewCallVM doesn't do this, implicitly. 120 flushed automatically after a function call invocation. Note: you should also
121 call this function after initial creation of the a CallVM object, as
122 dcNewCallVM doesn't do this, implicitly.
121 .Pp 123 .Pp
122 .Fn dcArgBool , 124 .Fn dcArgBool ,
123 .Fn dcArgChar , 125 .Fn dcArgChar ,
124 .Fn dcArgShort , 126 .Fn dcArgShort ,
125 .Fn dcArgInt , 127 .Fn dcArgInt ,