The Tor Browser / file comparison
comparison: nsprpub/pr/src/md/os2/os2gc.c
nsprpub/pr/src/md/os2/os2gc.c
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
equal
deleted
inserted
replaced
| -1:000000000000 | 0:19c28adacd80 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* | |
| 7 * GC related routines | |
| 8 * | |
| 9 */ | |
| 10 #include "primpl.h" | |
| 11 | |
| 12 PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np) | |
| 13 { | |
| 14 CONTEXTRECORD context; | |
| 15 context.ContextFlags = CONTEXT_INTEGER; | |
| 16 | |
| 17 if (_PR_IS_NATIVE_THREAD(t)) { | |
| 18 context.ContextFlags |= CONTEXT_CONTROL; | |
| 19 if (QueryThreadContext(t->md.handle, CONTEXT_CONTROL, &context)) { | |
| 20 t->md.gcContext[0] = context.ctx_RegEax; | |
| 21 t->md.gcContext[1] = context.ctx_RegEbx; | |
| 22 t->md.gcContext[2] = context.ctx_RegEcx; | |
| 23 t->md.gcContext[3] = context.ctx_RegEdx; | |
| 24 t->md.gcContext[4] = context.ctx_RegEsi; | |
| 25 t->md.gcContext[5] = context.ctx_RegEdi; | |
| 26 t->md.gcContext[6] = context.ctx_RegEsp; | |
| 27 t->md.gcContext[7] = context.ctx_RegEbp; | |
| 28 *np = PR_NUM_GCREGS; | |
| 29 } else { | |
| 30 PR_ASSERT(0);/* XXX */ | |
| 31 } | |
| 32 } | |
| 33 return (PRWord *)&t->md.gcContext; | |
| 34 } | |
| 35 | |
| 36 /* This function is not used right now, but is left as a reference. | |
| 37 * If you ever need to get the fiberID from the currently running fiber, | |
| 38 * this is it. | |
| 39 */ | |
| 40 void * | |
| 41 GetMyFiberID() | |
| 42 { | |
| 43 void *fiberData = 0; | |
| 44 | |
| 45 /* A pointer to our tib entry is found at FS:[18] | |
| 46 * At offset 10h is the fiberData pointer. The context of the | |
| 47 * fiber is stored in there. | |
| 48 */ | |
| 49 #ifdef HAVE_ASM | |
| 50 __asm { | |
| 51 mov EDX, FS:[18h] | |
| 52 mov EAX, DWORD PTR [EDX+10h] | |
| 53 mov [fiberData], EAX | |
| 54 } | |
| 55 #endif | |
| 56 | |
| 57 return fiberData; | |
| 58 } |
