/*
 * Copyright (C) 2015, He Kuang <hekuang@huawei.com>
 * Copyright (C) 2015, Huawei Inc.
 */
#ifndef __BPF_PROLOGUE_H
#define __BPF_PROLOGUE_H

#include <linux/compiler.h>
#include <linux/filter.h>
#include "probe-event.h"

#define BPF_PROLOGUE_MAX_ARGS 3
#define BPF_PROLOGUE_START_ARG_REG BPF_REG_3
#define BPF_PROLOGUE_FETCH_RESULT_REG BPF_REG_2

#ifdef HAVE_BPF_PROLOGUE
int bpf__gen_prologue(struct probe_trace_arg *args, int nargs,
		      struct bpf_insn *new_prog, size_t *new_cnt,
		      size_t cnt_space);
#else
static inline int
bpf__gen_prologue(struct probe_trace_arg *args __maybe_unused,
		  int nargs __maybe_unused,
		  struct bpf_insn *new_prog __maybe_unused,
		  size_t *new_cnt,
		  size_t cnt_space __maybe_unused)
{
	if (!new_cnt)
		return -EINVAL;
	*new_cnt = 0;
	return -ENOTSUP;
}
#endif
#endif /* __BPF_PROLOGUE_H */
: <a href='/cgit.cgi/linux/net-next.git/'>net-next.git</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='751321b3dd5040dc5be19bd23f985e80c914621a'/><select name='h' onchange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master'>master</option>
<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/include/net/phonet?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/include/net/phonet?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/include/net/phonet?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include/net/phonet?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/net/phonet'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/net?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/net/phonet?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>phonet</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='751321b3dd5040dc5be19bd23f985e80c914621a'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-30 13:18:12 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-30 13:18:12 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/phonet?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>751321b3dd5040dc5be19bd23f985e80c914621a</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/net/phonet?id=751321b3dd5040dc5be19bd23f985e80c914621a'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>967928e24b38dc7fed918f932bb1b243af42bf7f</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/net/phonet?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>include/net/phonet</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/phonet?h=nds-private-remove&amp;id=566cf877a1fcb6d6dc0126b076aad062054c2637'>566cf877a1fcb6d6dc0126b076aad062054c2637</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/net/phonet?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a&amp;id2=566cf877a1fcb6d6dc0126b076aad062054c2637'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/phonet?h=nds-private-remove&amp;id=586655d278ba08af7b198b93217746f9a506ee8a'>586655d278ba08af7b198b93217746f9a506ee8a</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/net/phonet?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a&amp;id2=586655d278ba08af7b198b93217746f9a506ee8a'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'rtc-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux</div><div class='commit-msg'>Pull RTC fix from Alexandre Belloni:
 "A single fix for this cycle. It is worth taking it for 4.10 so that
  distributions will not have CONFIG_RTC_DRV_JZ4740 switching from m to
  y in their config.

  Summary:
   - Allow jz4740 to build as a module again by using kernel_halt()"

* tag 'rtc-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  rtc: jz4740: make the driver buildable as a module again
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>Diffstat</a> (limited to 'include/net/phonet')</div><table summary='diffstat' class='diffstat'>