Bug 116888
| Summary: | JSC Should use the C Stack for JIT code | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | Michael Saboff <msaboff> |
| Component: | JavaScriptCore | Assignee: | Michael Saboff <msaboff> |
| Status: | RESOLVED FIXED | ||
| Severity: | Normal | CC: | fpizlo, ggaren |
| Priority: | P2 | Keywords: | InRadar |
| Version: | 528+ (Nightly build) | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Bug Depends on: | 126394, 116889, 117102, 117719, 118482, 118758, 121732, 121756, 122231, 122244, 123037, 123182, 123642, 123844, 123956, 123999, 124251, 124361, 124420, 124481, 124634, 124735, 124754, 124756, 124793, 125331, 126387, 126409, 126590, 126781 | ||
| Bug Blocks: | 113621 | ||
Michael Saboff
Currently the llint, and the baseline and DFG JITs use a separate call stack. That stack also grows up, opposite to the C call stack. To use LLVM, we need to migrate to use the C stack. Since we OSR exit across JIT's and llint, all execution engines need to use the common C stack.
| Attachments | ||
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| Add attachment proposed patch, testcase, etc. |
Filip Pizlo
<rdar://problem/15133588>
Geoffrey Garen
This task is complete. The next step is to merge the code back to trunk: <rdar://problem/15904077>.