#ifndef _PROBE_FINDER_H
#define _PROBE_FINDER_H

#include <stdbool.h>
#include "util.h"
#include "intlist.h"
#include "probe-event.h"

#define MAX_PROBE_BUFFER	1024
#define MAX_PROBES		 128
#define MAX_PROBE_ARGS		 128

#define PROBE_ARG_VARS		"$vars"
#define PROBE_ARG_PARAMS	"$params"

static inline int is_c_varname(const char *name)
{
	/* TODO */
	return isalpha(name[0]) || name[0] == '_';
}

#ifdef HAVE_DWARF_SUPPORT

#include "dwarf-aux.h"

/* TODO: export debuginfo data structure even if no dwarf support */

/* debug information structure */
struct debuginfo {
	Dwarf		*dbg;
	Dwfl_Module	*mod;
	Dwfl		*dwfl;
	Dwarf_Addr	bias;
};

/* This also tries to open distro debuginfo */
struct debuginfo *debuginfo__new(const char *path);
void debuginfo__delete(struct debuginfo *dbg);

/* Find probe_trace_events specified by perf_probe_event from debuginfo */
int debuginfo__find_trace_events(struct debuginfo *dbg,
				 struct perf_probe_event *pev,
				 struct probe_trace_event **tevs);

/* Find a perf_probe_point from debuginfo */
int debuginfo__find_probe_point(struct debuginfo *dbg, unsigned long addr,
				struct perf_probe_point *ppt);

int debuginfo__get_text_offset(struct debuginfo *dbg, Dwarf_Addr *offs,
			       bool adjust_offset);

/* Find a line range */
int debuginfo__find_line_range(struct debuginfo *dbg, struct line_range *lr);

/* Find available variables */
int debuginfo__find_available_vars_at(struct debuginfo *dbg,
				      struct perf_probe_event *pev,
				      struct variable_list **vls);

/* Find a src file from a DWARF tag path */
int get_real_path(const char *raw_path, const char *comp_dir,
			 char **new_path);

struct probe_finder {
	struct perf_probe_event	*pev;		/* Target probe event */

	/* Callback when a probe point is found */
	int (*callback)(Dwarf_Die *sc_die, struct probe_finder *pf);

	/* For function searching */
	int			lno;		/* Line number */
	Dwarf_Addr		addr;		/* Address */
	const char		*fname;		/* Real file name */
	Dwarf_Die		cu_die;		/* Current CU */
	Dwarf_Die		sp_die;
	struct intlist		*lcache;	/* Line cache for lazy match */

	/* For variable searching */
#if _ELFUTILS_PREREQ(0, 142)
	/* Call Frame Information from .eh_frame */
	Dwarf_CFI		*cfi_eh;
	/* Call Frame Information from .debug_frame */
	Dwarf_CFI		*cfi_dbg;
#endif
	Dwarf_Op		*fb_ops;	/* Frame base attribute */
	unsigned int		machine;	/* Target machine arch */
	struct perf_probe_arg	*pvar;		/* Current target variable */
	struct probe_trace_arg	*tvar;		/* Current result variable */
};

struct trace_event_finder {
	struct probe_finder	pf;
	Dwfl_Module		*mod;		/* For solving symbols */
	struct probe_trace_event *tevs;		/* Found trace events */
	int			ntevs;		/* Number of trace events */
	int			max_tevs;	/* Max number of trace events */
};

struct available_var_finder {
	struct probe_finder	pf;
	Dwfl_Module		*mod;		/* For solving symbols */
	struct variable_list	*vls;		/* Found variable lists */
	int			nvls;		/* Number of variable lists */
	int			max_vls;	/* Max no. of variable lists */
	bool			child;		/* Search child scopes */
};

struct line_finder {
	struct line_range	*lr;		/* Target line range */

	const char		*fname;		/* File name */
	int			lno_s;		/* Start line number */
	int			lno_e;		/* End line number */
	Dwarf_Die		cu_die;		/* Current CU */
	Dwarf_Die		sp_die;
	int			found;
};

#endif /* HAVE_DWARF_SUPPORT */

#endif /*_PROBE_FINDER_H */
g/selftests?h=nds-private-remove&amp;id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>selftests</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/x86?h=nds-private-remove&amp;id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>x86</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='2e4333c14de06a333783d6812cf3c4998f78b0c8'/><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'>2016-12-11 10:17:39 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-11 10:17:39 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/x86?h=nds-private-remove&amp;id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>2e4333c14de06a333783d6812cf3c4998f78b0c8</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/testing/selftests/x86?id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>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=2e4333c14de06a333783d6812cf3c4998f78b0c8'>368428514d70f34f2261c7f954f241f886d6bb51</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/testing/selftests/x86?h=nds-private-remove&amp;id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>tools/testing/selftests/x86</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/x86?h=nds-private-remove&amp;id=045169816b31b10faed984b01c390db1b32ee4c1'>045169816b31b10faed984b01c390db1b32ee4c1</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/testing/selftests/x86?h=nds-private-remove&amp;id=2e4333c14de06a333783d6812cf3c4998f78b0c8&amp;id2=045169816b31b10faed984b01c390db1b32ee4c1'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/x86?h=nds-private-remove&amp;id=ba735155b9647b6167fd50276ca0fbfbce4e836c'>ba735155b9647b6167fd50276ca0fbfbce4e836c</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/testing/selftests/x86?h=nds-private-remove&amp;id=2e4333c14de06a333783d6812cf3c4998f78b0c8&amp;id2=ba735155b9647b6167fd50276ca0fbfbce4e836c'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus</div><div class='commit-msg'>Pull MIPS fixes from Ralf Baechle:
 "Two more MIPS fixes for 4.9:

   - RTC: Return -ENODEV so an external RTC will be tried

   - Fix mask of GPE frequency

  These two have been tested on Imagination's automated test system and
  also both received positive reviews on the linux-mips mailing list"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: Lantiq: Fix mask of GPE frequency
  MIPS: Return -ENODEV from weak implementation of rtc_mips_set_time
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>Diffstat</a> (limited to 'tools/testing/selftests/x86')</div><table summary='diffstat' class='diffstat'>