xref: /xnu-11215.41.3/osfmk/man/task_get_emulation_vector.html (revision 33de042d024d46de5ff4e89f2471de6608e37fa4)
1*33de042dSApple OSS Distributions<h2>task_get_emulation_vector</h2>
2*33de042dSApple OSS Distributions<hr>
3*33de042dSApple OSS Distributions<p>
4*33de042dSApple OSS Distributions<strong>Function</strong> - Return an array identifying the target task's user-level system call handlers.
5*33de042dSApple OSS Distributions<h3>SYNOPSIS</h3>
6*33de042dSApple OSS Distributions<pre>
7*33de042dSApple OSS Distributions<strong>kern_return_t   task_get_emulation_vector</strong>
8*33de042dSApple OSS Distributions                <strong>(task_t</strong>                                    <var>task</var>,
9*33de042dSApple OSS Distributions                 <strong>int</strong>                               <var>vector_start</var>,
10*33de042dSApple OSS Distributions                 <strong>emulation_vector_t</strong>            <var>emulation_vector</var>,
11*33de042dSApple OSS Distributions                 <strong>mach_msg_type_number_t*</strong> <var>emulation_vector_count</var><strong>);</strong>
12*33de042dSApple OSS Distributions</pre>
13*33de042dSApple OSS Distributions<h3>PARAMETERS</h3>
14*33de042dSApple OSS Distributions<dl>
15*33de042dSApple OSS Distributions<p>
16*33de042dSApple OSS Distributions<dt> <var>task</var>
17*33de042dSApple OSS Distributions<dd>
18*33de042dSApple OSS Distributions[in task send right]
19*33de042dSApple OSS DistributionsThe port for the task for which the system call
20*33de042dSApple OSS Distributionshandler addresses are desired.
21*33de042dSApple OSS Distributions<p>
22*33de042dSApple OSS Distributions<dt> <var>vector_start</var>
23*33de042dSApple OSS Distributions<dd>
24*33de042dSApple OSS Distributions[out scalar]
25*33de042dSApple OSS DistributionsThe syscall number corresponding to the first element of
26*33de042dSApple OSS Distributions<var>emulation_vector</var>.
27*33de042dSApple OSS Distributions<p>
28*33de042dSApple OSS Distributions<dt> <var>emulation_vector</var>
29*33de042dSApple OSS Distributions<dd>
30*33de042dSApple OSS Distributions[out pointer to dynamic array of <strong>vm_address_t</strong>]
31*33de042dSApple OSS DistributionsPointer to the returned
32*33de042dSApple OSS Distributionsarray of routine entrypoints for the system calls starting with syscall
33*33de042dSApple OSS Distributionsnumber <var>vector_start</var>.
34*33de042dSApple OSS Distributions<p>
35*33de042dSApple OSS Distributions<dt> <var>emulation_vector_count</var>
36*33de042dSApple OSS Distributions<dd>
37*33de042dSApple OSS Distributions[out scalar]
38*33de042dSApple OSS DistributionsThe number of entries filled by the kernel.
39*33de042dSApple OSS Distributions</dl>
40*33de042dSApple OSS Distributions<h3>DESCRIPTION</h3>
41*33de042dSApple OSS Distributions<p>
42*33de042dSApple OSS DistributionsThe <strong>task_get_emulation_vector</strong> function returns the
43*33de042dSApple OSS Distributionsuser-level syscall handler entrypoint addresses.
44*33de042dSApple OSS Distributions<h3>NOTES</h3>
45*33de042dSApple OSS Distributions<p>
46*33de042dSApple OSS DistributionsThis interface is machine word length specific because of the
47*33de042dSApple OSS Distributionsvirtual addresses in the <var>emulation_vector</var> parameter.
48*33de042dSApple OSS Distributions<h3>RETURN VALUES</h3>
49*33de042dSApple OSS Distributions<p>
50*33de042dSApple OSS DistributionsOnly generic errors apply.
51*33de042dSApple OSS Distributions<h3>RELATED INFORMATION</h3>
52*33de042dSApple OSS Distributions<p>
53*33de042dSApple OSS DistributionsFunctions:
54*33de042dSApple OSS Distributions<a href="task_set_emulation_vector.html"><strong>task_set_emulation_vector</strong></a>.
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