WIP: Add changes/hacks to make stack sampling work for loadline system wide profiling

src/trace_processor/importers/common/address_range.h

diff --git a/src/trace_processor/importers/common/address_range.h b/src/trace_processor/importers/common/address_range.h
index c7f074c..3c302a8 100644
--- a/src/trace_processor/importers/common/address_range.h
+++ b/src/trace_processor/importers/common/address_range.h
@@ -62,7 +62,10 @@
 
   constexpr AddressRange(uint64_t start, uint64_t end)
       : start_(start), end_(end) {
-    PERFETTO_CHECK(start <= end);
+    if (start > end) {
+      start = 0;
+      end = 0;
+    }
   }
 
   // Checks whether the given `addr` lies withing this range.

src/trace_processor/tables/v8_tables.py

diff --git a/src/trace_processor/tables/v8_tables.py b/src/trace_processor/tables/v8_tables.py
index 4dec687..a59789d 100644
--- a/src/trace_processor/tables/v8_tables.py
+++ b/src/trace_processor/tables/v8_tables.py
@@ -84,7 +84,10 @@
         C('v8_isolate_id', CppTableId(V8_ISOLATE)),
         C('internal_script_id', CppInt32()),
         C('script_type', CppString()),
-        C('name', CppString(), cpp_access=CppAccess.READ),
+        C('name',
+          CppString(),
+          cpp_access=CppAccess.READ,
+          cpp_access_duration=CppAccessDuration.POST_FINALIZATION),
         C('source', CppOptional(CppString())),
     ],
     tabledoc=TableDoc(
@@ -129,7 +132,10 @@
     class_name='V8JsFunctionTable',
     sql_name='__intrinsic_v8_js_function',
     columns=[
-        C('name', CppString(), cpp_access=CppAccess.READ),
+        C('name',
+          CppString(),
+          cpp_access=CppAccess.READ,
+          cpp_access_duration=CppAccessDuration.POST_FINALIZATION),
         C(
             'v8_js_script_id',
             CppTableId(V8_JS_SCRIPT),
@@ -137,8 +143,14 @@
         ),
         C('is_toplevel', CppBool()),
         C('kind', CppString()),
-        C('line', CppOptional(CppUint32()), cpp_access=CppAccess.READ),
-        C('col', CppOptional(CppUint32()), cpp_access=CppAccess.READ),
+        C('line',
+          CppOptional(CppUint32()),
+          cpp_access=CppAccess.READ,
+          cpp_access_duration=CppAccessDuration.POST_FINALIZATION),
+        C('col',
+          CppOptional(CppUint32()),
+          cpp_access=CppAccess.READ,
+          cpp_access_duration=CppAccessDuration.POST_FINALIZATION),
     ],
     tabledoc=TableDoc(
         doc='Represents a v8 Javascript function',
@@ -259,7 +271,10 @@
         C('jit_code_id', CppTableId(JIT_CODE_TABLE)),
         C('v8_isolate_id', CppTableId(V8_ISOLATE)),
         C('v8_wasm_script_id', CppTableId(V8_WASM_SCRIPT)),
-        C('function_name', CppString(), cpp_access=CppAccess.READ),
+        C('function_name',
+          CppString(),
+          cpp_access=CppAccess.READ,
+          cpp_access_duration=CppAccessDuration.POST_FINALIZATION),
         C('tier', CppString()),
         C('code_offset_in_module', CppInt32()),
     ],