TickProcessor: more accurate mapping of statically compiled code on Linux.

test/mjsunit/tools/tickprocessor-test.default

Index: test/mjsunit/tools/tickprocessor-test.default
diff --git a/test/mjsunit/tools/tickprocessor-test.default b/test/mjsunit/tools/tickprocessor-test.default
index a689ea8c384dc22fa4e67ea1b39feb22d4b53e9a..702f4bcae89baf3899e9300dbdab4fa5826d5700 100644
--- a/test/mjsunit/tools/tickprocessor-test.default
+++ b/test/mjsunit/tools/tickprocessor-test.default
@@ -6,20 +6,19 @@ Statistical profiling result from v8.log, (13 ticks, 2 unaccounted, 0 excluded).
 
  [Shared libraries]:
    ticks  total  nonlib   name
-      2   15.4%    0.0%  /lib32/libm-2.7.so
+      3   23.1%    0.0%  /lib32/libm-2.7.so
       1    7.7%    0.0%  ffffe000-fffff000
 
  [JavaScript]:
    ticks  total  nonlib   name
-      1    7.7%   10.0%  LazyCompile: exp native math.js:41
+      1    7.7%   11.1%  LazyCompile: exp native math.js:41
 
  [C++]:
    ticks  total  nonlib   name
-      2   15.4%   20.0%  v8::internal::Runtime_Math_exp(v8::internal::Arguments)
-      1    7.7%   10.0%  v8::internal::JSObject::LocalLookupRealNamedProperty(v8::internal::String*, v8::internal::LookupResult*)
-      1    7.7%   10.0%  v8::internal::HashTable<v8::internal::StringDictionaryShape, v8::internal::String*>::FindEntry(v8::internal::String*)
-      1    7.7%   10.0%  fegetexcept
-      1    7.7%   10.0%  exp
+      2   15.4%   22.2%  v8::internal::Runtime_Math_exp(v8::internal::Arguments)
+      1    7.7%   11.1%  v8::internal::JSObject::LocalLookupRealNamedProperty(v8::internal::String*, v8::internal::LookupResult*)
+      1    7.7%   11.1%  v8::internal::HashTable<v8::internal::StringDictionaryShape, v8::internal::String*>::FindEntry(v8::internal::String*)
+      1    7.7%   11.1%  exp
 
  [GC]:
    ticks  total  nonlib   name
@@ -31,11 +30,11 @@ Statistical profiling result from v8.log, (13 ticks, 2 unaccounted, 0 excluded).
   Callers occupying less than 2.0% are not shown.
 
    ticks parent  name
-      2   15.4%  v8::internal::Runtime_Math_exp(v8::internal::Arguments)
-      2  100.0%    LazyCompile: exp native math.js:41
-      2  100.0%      Script: exp.js
+      3   23.1%  /lib32/libm-2.7.so
+      3  100.0%    LazyCompile: exp native math.js:41
+      3  100.0%      Script: exp.js
 
-      2   15.4%  /lib32/libm-2.7.so
+      2   15.4%  v8::internal::Runtime_Math_exp(v8::internal::Arguments)
       2  100.0%    LazyCompile: exp native math.js:41
       2  100.0%      Script: exp.js
 
@@ -47,10 +46,6 @@ Statistical profiling result from v8.log, (13 ticks, 2 unaccounted, 0 excluded).
 
       1    7.7%  ffffe000-fffff000
 
-      1    7.7%  fegetexcept
-      1  100.0%    LazyCompile: exp native math.js:41
-      1  100.0%      Script: exp.js
-
       1    7.7%  exp
       1  100.0%    LazyCompile: exp native math.js:41
       1  100.0%      Script: exp.js