531224 - TM: associate JS source locations with fragments properly

Status: RESOLVED FIXED

(Core :: JavaScript Engine, defect)

Description

[Nicholas Nethercote [inactive]]

Attachment: patch

jstracer.cpp carefully associates a JavaScript source location (file name/line number) with each compiled code fragment.  Unfortunately it does so after nanojit::compile() is called, when it's too late.

This patch moves the relevant code earlier.  Example output change:

  === Translating LIR fragments into assembly:
  === -- Compile trunk 0x8745d7c: begin
  === -- Compile trunk 0x8745d7c: end

becomes:

  === Translating LIR fragments into assembly:
  === -- Compile trunk 0x8eafd7c /home/njn/moz/SunSpider/tests/3d-cube.js:80: begin
  === -- Compile trunk 0x8eafd7c /home/njn/moz/SunSpider/tests/3d-cube.js:80: end

Comment 1

[Nicholas Nethercote [inactive]]

http://hg.mozilla.org/tracemonkey/rev/cb870a6d0e53

Comment 2

[Nicholas Nethercote [inactive]]

http://hg.mozilla.org/mozilla-central/rev/cb870a6d0e53