#include "unwind.h"
#include "thread.h"
#include "session.h"
#include "debug.h"
#include "arch/common.h"

struct unwind_libunwind_ops __weak *local_unwind_libunwind_ops;
struct unwind_libunwind_ops __weak *x86_32_unwind_libunwind_ops;
struct unwind_libunwind_ops __weak *arm64_unwind_libunwind_ops;

static void unwind__register_ops(struct thread *thread,
			  struct unwind_libunwind_ops *ops)
{
	thread->unwind_libunwind_ops = ops;
}

int unwind__prepare_access(struct thread *thread, struct map *map,
			   bool *initialized)
{
	const char *arch;
	enum dso_type dso_type;
	struct unwind_libunwind_ops *ops = local_unwind_libunwind_ops;
	int err;

	if (thread->addr_space) {
		pr_debug("unwind: thread map already set, dso=%s\n",
			 map->dso->name);
		if (initialized)
			*initialized = true;
		return 0;
	}

	/* env->arch is NULL for live-mode (i.e. perf top) */
	if (!thread->mg->machine->env || !thread->mg->machine->env->arch)
		goto out_register;

	dso_type = dso__type(map->dso, thread->mg->machine);
	if (dso_type == DSO__TYPE_UNKNOWN)
		return 0;

	arch = normalize_arch(thread->mg->machine->env->arch);

	if (!strcmp(arch, "x86")) {
		if (dso_type != DSO__TYPE_64BIT)
			ops = x86_32_unwind_libunwind_ops;
	} else if (!strcmp(arch, "arm64") || !strcmp(arch, "arm")) {
		if (dso_type == DSO__TYPE_64BIT)
			ops = arm64_unwind_libunwind_ops;
	}

	if (!ops) {
		pr_err("unwind: target platform=%s is not supported\n", arch);
		return -1;
	}
out_register:
	unwind__register_ops(thread, ops);

	err = thread->unwind_libunwind_ops->prepare_access(thread);
	if (initialized)
		*initialized = err ? false : true;
	return err;
}

void unwind__flush_access(struct thread *thread)
{
	if (thread->unwind_libunwind_ops)
		thread->unwind_libunwind_ops->flush_access(thread);
}

void unwind__finish_access(struct thread *thread)
{
	if (thread->unwind_libunwind_ops)
		thread->unwind_libunwind_ops->finish_access(thread);
}

int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
			 struct thread *thread,
			 struct perf_sample *data, int max_stack)
{
	if (thread->unwind_libunwind_ops)
		return thread->unwind_libunwind_ops->get_entries(cb, arg, thread, data, max_stack);
	return 0;
}
ht' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/pci/echoaudio/layla24.c'>
<input type='hidden' name='id' value='2b1d530cb3157f828fcaadd259613f59db3c6d1c'/><select name='qt'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/pci?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>pci</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/echoaudio?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>echoaudio</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/echoaudio/layla24.c?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>layla24.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='2b1d530cb3157f828fcaadd259613f59db3c6d1c'/><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>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-27 14:19:25 +0200</td></tr>
<tr><th>committer</th><td>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-28 09:15:50 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/echoaudio/layla24.c?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>2b1d530cb3157f828fcaadd259613f59db3c6d1c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/pci/echoaudio/layla24.c?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>fb5dfe8f2e6956f54377c7275f330cd158ead259</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/pci/echoaudio/layla24.c?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>sound/pci/echoaudio/layla24.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/echoaudio/layla24.c?id=bd19b5ab1da654de456e102250822ec06311d6ad'>bd19b5ab1da654de456e102250822ec06311d6ad</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/pci/echoaudio/layla24.c?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c&amp;id2=bd19b5ab1da654de456e102250822ec06311d6ad'>diff</a>)</td></tr></table>
<div class='commit-subject'>MAINTAINERS: ath9k-devel is closed</div><div class='commit-msg'>ath9k-devel list is now closed, only linux-wireless should be used.

Reported-by: Michael Renzmann &lt;mrenzmann@madwifi-project.org&gt;
Signed-off-by: Kalle Valo &lt;kvalo@codeaurora.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>Diffstat</a> (limited to 'sound/pci/echoaudio/layla24.c')</div><table summary='diffstat' class='diffstat'>