perf unwind: Use 'struct map_symbol' in 'struct unwind_entry'

To help in passing that info around to callchain routines that, for the
same reason, are moving to use 'struct map_symbol'.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-epsiibeprpxa8qpwji47uskc@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/tests/dwarf-unwind.c

@@ -59,7 +59,7 @@ int test_dwarf_unwind__krava_1(struct thread *thread);
 static int unwind_entry(struct unwind_entry *entry, void *arg)
 {
 	unsigned long *cnt = (unsigned long *) arg;
-	char *symbol = entry->sym ? entry->sym->name : NULL;
+	char *symbol = entry->ms.sym ? entry->ms.sym->name : NULL;
 	static const char *funcs[MAX_STACK] = {
 		"test__arch_unwind_sample",
 		"test_dwarf_unwind__thread",

tools/perf/util/machine.c

@@ -2448,9 +2448,10 @@ static int thread__resolve_callchain_sample(struct thread *thread,
 	return 0;
 }
 
-static int append_inlines(struct callchain_cursor *cursor,
-			  struct map *map, struct symbol *sym, u64 ip)
+static int append_inlines(struct callchain_cursor *cursor, struct map_symbol *ms, u64 ip)
 {
+	struct symbol *sym = ms->sym;
+	struct map *map = ms->map;
 	struct inline_node *inline_node;
 	struct inline_list *ilist;
 	u64 addr;
@@ -2488,22 +2489,22 @@ static int unwind_entry(struct unwind_entry *entry, void *arg)
 	const char *srcline = NULL;
 	u64 addr = entry->ip;
 
-	if (symbol_conf.hide_unresolved && entry->sym == NULL)
+	if (symbol_conf.hide_unresolved && entry->ms.sym == NULL)
 		return 0;
 
-	if (append_inlines(cursor, entry->map, entry->sym, entry->ip) == 0)
+	if (append_inlines(cursor, &entry->ms, entry->ip) == 0)
 		return 0;
 
 	/*
 	 * Convert entry->ip from a virtual address to an offset in
 	 * its corresponding binary.
 	 */
-	if (entry->map)
-		addr = map__map_ip(entry->map, entry->ip);
+	if (entry->ms.map)
+		addr = map__map_ip(entry->ms.map, entry->ip);
 
-	srcline = callchain_srcline(entry->map, entry->sym, addr);
+	srcline = callchain_srcline(entry->ms.map, entry->ms.sym, addr);
 	return callchain_cursor_append(cursor, entry->ip,
-				       entry->map, entry->sym,
+				       entry->ms.map, entry->ms.sym,
 				       false, NULL, 0, 0, 0, srcline);
 }
 

tools/perf/util/unwind-libdw.c

@@ -81,8 +81,8 @@ static int entry(u64 ip, struct unwind_info *ui)
 		return -1;
 
 	e->ip	  = ip;
-	e->map = al.map;
-	e->sym = al.sym;
+	e->ms.map = al.map;
+	e->ms.sym = al.sym;
 
 	pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n",
 		 al.sym ? al.sym->name : "''",

tools/perf/util/unwind-libunwind-local.c

@@ -575,9 +575,9 @@ static int entry(u64 ip, struct thread *thread,
 	struct unwind_entry e;
 	struct addr_location al;
 
-	e.sym = thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al);
+	e.ms.sym = thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al);
 	e.ip     = ip;
-	e.map = al.map;
+	e.ms.map = al.map;
 
 	pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n",
 		 al.sym ? al.sym->name : "''",

tools/perf/util/unwind.h

@@ -4,16 +4,14 @@
 
 #include <linux/compiler.h>
 #include <linux/types.h>
+#include "util/map_symbol.h"
 
-struct map;
 struct map_groups;
 struct perf_sample;
-struct symbol;
 struct thread;
 
 struct unwind_entry {
-	struct map	*map;
-	struct symbol	*sym;
+	struct map_symbol ms;
 	u64		  ip;
 };