Index: mozilla/nsprpub/pr/src/md/windows/ntgc.c |
=================================================================== |
--- mozilla/nsprpub/pr/src/md/windows/ntgc.c (revision 191424) |
+++ mozilla/nsprpub/pr/src/md/windows/ntgc.c (working copy) |
@@ -1,98 +0,0 @@ |
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
-/* This Source Code Form is subject to the terms of the Mozilla Public |
- * License, v. 2.0. If a copy of the MPL was not distributed with this |
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
- |
-/* |
- * GC related routines |
- * |
- */ |
-#include <windows.h> |
-#include "primpl.h" |
- |
-PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np) |
-{ |
-#if defined(_X86_) |
- CONTEXT context; |
- context.ContextFlags = CONTEXT_INTEGER; |
- |
- if (_PR_IS_NATIVE_THREAD(t)) { |
- context.ContextFlags |= CONTEXT_CONTROL; |
- if (GetThreadContext(t->md.handle, &context)) { |
- t->md.gcContext[0] = context.Eax; |
- t->md.gcContext[1] = context.Ebx; |
- t->md.gcContext[2] = context.Ecx; |
- t->md.gcContext[3] = context.Edx; |
- t->md.gcContext[4] = context.Esi; |
- t->md.gcContext[5] = context.Edi; |
- t->md.gcContext[6] = context.Esp; |
- t->md.gcContext[7] = context.Ebp; |
- *np = PR_NUM_GCREGS; |
- } else { |
- PR_ASSERT(0);/* XXX */ |
- } |
- } else { |
- /* WARNING WARNING WARNING WARNING WARNING WARNING WARNING |
- * |
- * This code is extremely machine dependant and completely |
- * undocumented by MS. Its only known to work experimentally. |
- * Ready for a walk on the wild * side? |
- * |
- * WARNING WARNING WARNING WARNING WARNING WARNING WARNING */ |
- |
-#if !defined WIN95 // Win95 does not have fibers |
- int *fiberData = t->md.fiber_id; |
- |
- /* I found these offsets by disassembling SwitchToFiber(). |
- * Are your palms sweating yet? |
- */ |
- |
- /* |
- ** EAX is on the stack (ESP+0) |
- ** EDX is on the stack (ESP+4) |
- ** ECX is on the stack (ESP+8) |
- */ |
- t->md.gcContext[0] = 0; /* context.Eax */ |
- t->md.gcContext[1] = fiberData[0x2e]; /* context.Ebx */ |
- t->md.gcContext[2] = 0; /* context.Ecx */ |
- t->md.gcContext[3] = 0; /* context.Edx */ |
- t->md.gcContext[4] = fiberData[0x2d]; /* context.Esi */ |
- t->md.gcContext[5] = fiberData[0x2c]; /* context.Edi */ |
- t->md.gcContext[6] = fiberData[0x36]; /* context.Esp */ |
- t->md.gcContext[7] = fiberData[0x32]; /* context.Ebp */ |
- *np = PR_NUM_GCREGS; |
-#endif |
- } |
- return (PRWord *)&t->md.gcContext; |
-#else |
- PR_NOT_REACHED("not implemented"); |
- return NULL; |
-#endif /* defined(_X86_) */ |
-} |
- |
-/* This function is not used right now, but is left as a reference. |
- * If you ever need to get the fiberID from the currently running fiber, |
- * this is it. |
- */ |
-void * |
-GetMyFiberID() |
-{ |
-#if defined(_X86_) && !defined(__MINGW32__) |
- void *fiberData; |
- |
- /* A pointer to our tib entry is found at FS:[18] |
- * At offset 10h is the fiberData pointer. The context of the |
- * fiber is stored in there. |
- */ |
- __asm { |
- mov EDX, FS:[18h] |
- mov EAX, DWORD PTR [EDX+10h] |
- mov [fiberData], EAX |
- } |
- |
- return fiberData; |
-#else |
- PR_NOT_REACHED("not implemented"); |
- return NULL; |
-#endif /* defined(_X86_) */ |
-} |