Created
July 28, 2012 11:29
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newCAFの第三引数は何者なのか？
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| (gdb) b newCAF | |
| Breakpoint 1 at 0x69c15c: file rts/sm/Storage.c, line 353. | |
| (gdb) run +RTS -V0 | |
| Starting program: /home/kiwamu/src/DiveIntoRTS/Main +RTS -V0 | |
| [Thread debugging using libthread_db enabled] | |
| Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". | |
| Breakpoint 1, newCAF (reg=0x94ee18, caf=0x90c8a0, bh=0x7ffff6c04000) at rts/sm/Storage.c:353 | |
| 353 if (lockCAF(caf,bh) == 0) return 0; | |
| (gdb) l | |
| 348 } | |
| 349 | |
| 350 StgWord | |
| 351 newCAF(StgRegTable *reg, StgClosure *caf, StgClosure *bh) | |
| 352 { | |
| 353 if (lockCAF(caf,bh) == 0) return 0; | |
| 354 | |
| 355 if(keepCAFs) | |
| 356 { | |
| 357 // HACK: | |
| (gdb) print bh | |
| $1 = (StgClosure *) 0x7ffff6c04000 | |
| (gdb) print *bh | |
| $4 = {header = {info = 0x6a65f8}, payload = 0x7ffff6c04008} | |
| (gdb) x 0x6a65f8 | |
| 0x6a65f8 <stg_CAF_BLACKHOLE_info>: 0xfffee3e9 |
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ごめん。勘違いだった。そうか。bhはinfoではなくて、closureか！