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| author | Mike Pall <mike> | 2013-09-02 01:49:19 +0200 |
|---|---|---|
| committer | Mike Pall <mike> | 2013-09-02 01:49:19 +0200 |
| commit | 4dce22c40d38dd7dc3d05cc383ddf004fb1f92c4 (patch) | |
| tree | 34800356c01e0a4f7f820d5affb131de8c091d89 /src/vm_ppc.dasc | |
| parent | 19c2dd17dbaf66f1341efe2a71a26f0b5724f9e1 (diff) | |
| download | luajit-4dce22c40d38dd7dc3d05cc383ddf004fb1f92c4.tar.gz luajit-4dce22c40d38dd7dc3d05cc383ddf004fb1f92c4.tar.bz2 luajit-4dce22c40d38dd7dc3d05cc383ddf004fb1f92c4.zip | |
Add low-overhead profiler. Part 1: interpreter, low-level C API.
Diffstat (limited to 'src/vm_ppc.dasc')
| -rw-r--r-- | src/vm_ppc.dasc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/vm_ppc.dasc b/src/vm_ppc.dasc index d9186c44..293c5c6f 100644 --- a/src/vm_ppc.dasc +++ b/src/vm_ppc.dasc | |||
| @@ -2505,6 +2505,19 @@ static void build_subroutines(BuildCtx *ctx) | |||
| 2505 | | mtctr CRET1 | 2505 | | mtctr CRET1 |
| 2506 | | bctr | 2506 | | bctr |
| 2507 | | | 2507 | | |
| 2508 | |->vm_profhook: // Dispatch target for profiler hook. | ||
| 2509 | #if LJ_HASPROFILE | ||
| 2510 | | mr CARG1, L | ||
| 2511 | | stw MULTRES, SAVE_MULTRES | ||
| 2512 | | mr CARG2, PC | ||
| 2513 | | stp BASE, L->base | ||
| 2514 | | bl extern lj_dispatch_profile // (lua_State *L, const BCIns *pc) | ||
| 2515 | | // HOOK_PROFILE is off again, so re-dispatch to dynamic instruction. | ||
| 2516 | | lp BASE, L->base | ||
| 2517 | | subi PC, PC, 4 | ||
| 2518 | | b ->cont_nop | ||
| 2519 | #endif | ||
| 2520 | | | ||
| 2508 | |//----------------------------------------------------------------------- | 2521 | |//----------------------------------------------------------------------- |
| 2509 | |//-- Trace exit handler ------------------------------------------------- | 2522 | |//-- Trace exit handler ------------------------------------------------- |
| 2510 | |//----------------------------------------------------------------------- | 2523 | |//----------------------------------------------------------------------- |