Initial commit.
This commit is contained in:
AJ Kelly
@@ -1,90 +1,90 @@
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#include <mach/mach_types.h>
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#include <mach/thread_act.h>
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#include <mach/mach_init.h>
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#include <mach/mach_error.h>
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#include "Backtrace.h"
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bool SuspendThread( uint64_t threadHandle )
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{
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return !thread_suspend( thread_act_t(threadHandle) );
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}
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bool ResumeThread( uint64_t threadHandle )
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{
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return !thread_resume( thread_act_t(threadHandle) );
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}
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uint64_t GetCurrentThreadId()
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{
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return mach_thread_self();
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}
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bool GetThreadBacktraceContext( uint64_t iID, BacktraceContext *ctx )
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{
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/* Can't GetThreadBacktraceContext the current thread. */
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ASSERT( iID != GetCurrentThreadId() );
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SuspendThread( iID );
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thread_act_t thread = thread_act_t( iID );
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#if defined(__ppc__)
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ppc_thread_state state;
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mach_msg_type_number_t count = PPC_THREAD_STATE_COUNT;
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if( thread_get_state(thread, PPC_THREAD_STATE, thread_state_t(&state), &count) )
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return false;
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ctx->FramePtr = (const Frame *)state.r1;
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ctx->PC = (void *)state.srr0;
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return true;
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#elif defined(__i386__)
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i386_thread_state state;
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mach_msg_type_number_t count = i386_THREAD_STATE_COUNT;
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if( thread_get_state(thread, i386_THREAD_STATE, thread_state_t(&state), &count) )
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return false;
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ctx->ip = (void *)state.eip;
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ctx->bp = (void *)state.ebp;
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ctx->sp = (void *)state.esp;
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return true;
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#else
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return false;
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#endif
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}
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RString SetThreadPrecedence( float prec )
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{
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// Real values are between 0 and 63.
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DEBUG_ASSERT( 0.0f <= prec && prec <= 1.0f );
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thread_precedence_policy po = { integer_t( lrintf(prec * 63) ) };
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kern_return_t ret = thread_policy_set( mach_thread_self(), THREAD_PRECEDENCE_POLICY,
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(thread_policy_t)&po, THREAD_PRECEDENCE_POLICY_COUNT );
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if( ret != KERN_SUCCESS )
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return mach_error_string( ret );
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return RString();
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}
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/*
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* (c) 2004-2006 Steve Checkoway
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <mach/mach_types.h>
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#include <mach/thread_act.h>
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#include <mach/mach_init.h>
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#include <mach/mach_error.h>
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#include "Backtrace.h"
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bool SuspendThread( uint64_t threadHandle )
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{
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return !thread_suspend( thread_act_t(threadHandle) );
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}
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bool ResumeThread( uint64_t threadHandle )
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{
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return !thread_resume( thread_act_t(threadHandle) );
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}
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uint64_t GetCurrentThreadId()
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{
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return mach_thread_self();
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}
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bool GetThreadBacktraceContext( uint64_t iID, BacktraceContext *ctx )
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{
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/* Can't GetThreadBacktraceContext the current thread. */
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ASSERT( iID != GetCurrentThreadId() );
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SuspendThread( iID );
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thread_act_t thread = thread_act_t( iID );
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#if defined(__ppc__)
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ppc_thread_state state;
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mach_msg_type_number_t count = PPC_THREAD_STATE_COUNT;
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if( thread_get_state(thread, PPC_THREAD_STATE, thread_state_t(&state), &count) )
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return false;
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ctx->FramePtr = (const Frame *)state.r1;
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ctx->PC = (void *)state.srr0;
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return true;
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#elif defined(__i386__)
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i386_thread_state state;
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mach_msg_type_number_t count = i386_THREAD_STATE_COUNT;
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if( thread_get_state(thread, i386_THREAD_STATE, thread_state_t(&state), &count) )
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return false;
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ctx->ip = (void *)state.eip;
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ctx->bp = (void *)state.ebp;
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ctx->sp = (void *)state.esp;
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return true;
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#else
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return false;
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#endif
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}
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RString SetThreadPrecedence( float prec )
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{
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// Real values are between 0 and 63.
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DEBUG_ASSERT( 0.0f <= prec && prec <= 1.0f );
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thread_precedence_policy po = { integer_t( lrintf(prec * 63) ) };
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kern_return_t ret = thread_policy_set( mach_thread_self(), THREAD_PRECEDENCE_POLICY,
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(thread_policy_t)&po, THREAD_PRECEDENCE_POLICY_COUNT );
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if( ret != KERN_SUCCESS )
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return mach_error_string( ret );
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return RString();
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}
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/*
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* (c) 2004-2006 Steve Checkoway
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
|
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
|
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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||||
* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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