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Diffstat (limited to 'libjava/gnu/classpath/natVMStackWalker.cc')
-rw-r--r-- | libjava/gnu/classpath/natVMStackWalker.cc | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/libjava/gnu/classpath/natVMStackWalker.cc b/libjava/gnu/classpath/natVMStackWalker.cc deleted file mode 100644 index 2f068ca..0000000 --- a/libjava/gnu/classpath/natVMStackWalker.cc +++ /dev/null @@ -1,116 +0,0 @@ -// natVMStackWalker.cc - -/* Copyright (C) 2006, 2007 Free Software Foundation - - This file is part of libgcj. - -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ - -#include <config.h> -#include <platform.h> - -#include <gcj/cni.h> -#include <jvm.h> -#include <java-stack.h> -#include <gnu/classpath/VMStackWalker.h> -#include <gnu/gcj/RawData.h> -#include <java/lang/ClassLoader.h> -#include <java/lang/Class.h> - -#ifndef __ARM_EABI_UNWINDER__ -// Return the class of the method that contains PC. -// This is a macro not a function, since defining it as one would -// introduce an extra frame on the stack. */ -#define GET_CALLING_CLASS(PC) \ -({ \ - void *f = _Unwind_FindEnclosingFunction (PC); \ - \ - /* FIXME: it might well be a good idea to cache pc values here in \ - order to avoid repeated invocations of \ - _Unwind_FindEnclosingFunction, which is quite expensive. On the \ - other hand, which not simply write a caching version of \ - _Unwind_FindEnclosingFunction itself? That would probably be \ - worthwhile. */ \ - \ - _Jv_StackTrace::UpdateNCodeMap (); \ - jclass klass = (jclass) _Jv_StackTrace::ncodeMap->get ((jobject) f); \ - \ - /* If the caller is a compiled frame and the caller of the caller is \ - an interpreted frame then klass will be null and we need to \ - unwind the stack. */ \ - if (!klass) \ - klass = _Jv_StackTrace::GetStackWalkerCallingClass (); \ - \ - klass; \ - }) -#else // __ARM_EABI_UNWINDER__ -// ARM EABI doesn't support _Unwind_FindEnclosingFunction. -#define GET_CALLING_CLASS(PC) \ - (_Jv_StackTrace::GetStackWalkerCallingClass ()) -#endif - -JArray<jclass> * -gnu::classpath::VMStackWalker::getClassContext(void) -{ - _Jv_InitClass (&::gnu::classpath::VMStackWalker::class$); - JArray<jclass> *result = _Jv_StackTrace::GetStackWalkerStack (); - // Prevent GetStackWalkerStack() from being sibcalled. - __asm__ __volatile__ ("" : : "g" (result)); - return result; -} - -jclass -gnu::classpath::VMStackWalker::getCallingClass(void) -{ - _Jv_InitClass (&::gnu::classpath::VMStackWalker::class$); - jclass result = _Jv_StackTrace::GetStackWalkerCallingClass (); - __asm__ __volatile__ ("" : : "g" (result)); - return result; -} - -jclass -gnu::classpath::VMStackWalker::getCallingClass(::gnu::gcj::RawData *pc) -{ - _Jv_InitClass (&::gnu::classpath::VMStackWalker::class$); - jclass result = GET_CALLING_CLASS(pc); - __asm__ __volatile__ ("" : : "g" (result)); - return result; -} - -::java::lang::ClassLoader * -gnu::classpath::VMStackWalker::getClassLoader(::java::lang::Class *c) -{ - _Jv_InitClass (&::gnu::classpath::VMStackWalker::class$); - return c->getClassLoaderInternal (); -} - -::java::lang::ClassLoader * -gnu::classpath::VMStackWalker::getCallingClassLoader(void) -{ - _Jv_InitClass (&::gnu::classpath::VMStackWalker::class$); - jclass klass = _Jv_StackTrace::GetStackWalkerCallingClass (); - if (klass) - return klass->getClassLoaderInternal (); - else - return NULL; -} - -::java::lang::ClassLoader * -gnu::classpath::VMStackWalker::getCallingClassLoader(::gnu::gcj::RawData *pc) -{ - _Jv_InitClass (&::gnu::classpath::VMStackWalker::class$); - jclass klass = GET_CALLING_CLASS(pc); - if (klass) - return klass->getClassLoaderInternal (); - else - return NULL; -} - -::java::lang::ClassLoader * -gnu::classpath::VMStackWalker::firstNonNullClassLoader(void) -{ - _Jv_InitClass (&::gnu::classpath::VMStackWalker::class$); - return _Jv_StackTrace::GetStackWalkerFirstNonNullLoader (); -} |