| 1 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
| 2 | #include "perl.h" |
2 | #include "perl.h" |
| 3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
| 4 | |
4 | |
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5 | typedef CV *B__CV; |
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6 | |
| 5 | static OP *(*old_entersub)(pTHX); |
7 | static OP *(*old_entersub)(pTHX); |
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8 | |
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9 | int count = 1; |
| 6 | |
10 | |
| 7 | // this is, of course, a slower entersub |
11 | // this is, of course, a slower entersub |
| 8 | static OP * |
12 | static OP * |
| 9 | faster_entersub (pTHX) |
13 | faster_entersub (pTHX) |
| 10 | { |
14 | { |
| … | |
… | |
| 19 | // only once for now |
23 | // only once for now |
| 20 | PL_op->op_ppaddr = old_entersub; |
24 | PL_op->op_ppaddr = old_entersub; |
| 21 | |
25 | |
| 22 | // only simple cv calls for now |
26 | // only simple cv calls for now |
| 23 | if (!PL_perldb && !PL_tainting |
27 | if (!PL_perldb && !PL_tainting |
| 24 | && SvTYPE (sv) == SVt_PVCV && !CvXSUB (sv)) |
28 | && SvTYPE (sv) == SVt_PVCV && !CvXSUB (sv) |
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29 | && CvSTART (sv)->op_type != OP_NULL) // shield against compiling an already-compiled op |
| 25 | { |
30 | { |
| 26 | sv = newSViv (PTR2IV (sv)); |
31 | SV *bsv = newSViv (PTR2IV (sv)); |
| 27 | |
32 | |
| 28 | ENTER; |
33 | ENTER; |
| 29 | SAVETMPS; |
34 | SAVETMPS; |
| 30 | PUSHMARK (SP); |
35 | PUSHMARK (SP); |
| 31 | // emulate B::CV typemap entry we don't have |
36 | // emulate B::CV typemap entry we don't have |
| 32 | XPUSHs (sv_2mortal (sv_bless (newRV_noinc (sv), gv_stashpv ("B::CV", 1)))); |
37 | XPUSHs (sv_2mortal (sv_bless (newRV_noinc (bsv), gv_stashpv ("B::CV", 1)))); |
| 33 | PUTBACK; |
38 | PUTBACK; |
| 34 | call_pv ("Faster::entersub", G_VOID|G_DISCARD); |
39 | call_pv ("Faster::entersub", G_VOID|G_DISCARD|G_EVAL); |
| 35 | SPAGAIN; |
40 | SPAGAIN; |
| 36 | FREETMPS; |
41 | FREETMPS; |
| 37 | LEAVE; |
42 | LEAVE; |
| 38 | } |
43 | } |
| 39 | } |
44 | } |
| … | |
… | |
| 58 | hook_entersub () |
63 | hook_entersub () |
| 59 | CODE: |
64 | CODE: |
| 60 | old_entersub = PL_ppaddr [OP_ENTERSUB]; |
65 | old_entersub = PL_ppaddr [OP_ENTERSUB]; |
| 61 | PL_ppaddr [OP_ENTERSUB] = faster_entersub; |
66 | PL_ppaddr [OP_ENTERSUB] = faster_entersub; |
| 62 | |
67 | |
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68 | void |
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69 | patch_cv (B::CV cv, void *ptr) |
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70 | CODE: |
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71 | { |
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72 | OP *op; |
| 63 | |
73 | |
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74 | NewOp (0, op, 1, OP); |
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75 | |
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76 | op->op_sibling = CvSTART (cv); |
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77 | op->op_type = OP_NULL; |
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78 | op->op_ppaddr = ptr; |
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79 | |
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80 | CvSTART (cv) = op; |
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81 | } |
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82 | |
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83 | |
