mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
32 lines
1.2 KiB
JavaScript
32 lines
1.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
const Cc = Components.classes;
|
|
const Ci = Components.interfaces;
|
|
const Cu = Components.utils;
|
|
|
|
function getInflatedStackLocations(thread, sample) {
|
|
let stackTable = thread.stackTable;
|
|
let frameTable = thread.frameTable;
|
|
let stringTable = thread.stringTable;
|
|
let SAMPLE_STACK_SLOT = thread.samples.schema.stack;
|
|
let STACK_PREFIX_SLOT = stackTable.schema.prefix;
|
|
let STACK_FRAME_SLOT = stackTable.schema.frame;
|
|
let FRAME_LOCATION_SLOT = frameTable.schema.location;
|
|
|
|
// Build the stack from the raw data and accumulate the locations in
|
|
// an array.
|
|
let stackIndex = sample[SAMPLE_STACK_SLOT];
|
|
let locations = [];
|
|
while (stackIndex !== null) {
|
|
let stackEntry = stackTable.data[stackIndex];
|
|
let frame = frameTable.data[stackEntry[STACK_FRAME_SLOT]];
|
|
locations.push(stringTable[frame[FRAME_LOCATION_SLOT]]);
|
|
stackIndex = stackEntry[STACK_PREFIX_SLOT];
|
|
}
|
|
|
|
// The profiler tree is inverted, so reverse the array.
|
|
return locations.reverse();
|
|
}
|