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Get thread backtrace context on i386.

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This commit is contained in:
Steve Checkoway
2006-02-10 09:55:53 +00:00
parent bd614eed21
commit 8e1f4254a7
1 changed files with 13 additions and 3 deletions
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stepmania/src/archutils/Darwin/DarwinThreadHelpers.cpp
+12 -2
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@@ -25,11 +25,11 @@ bool GetThreadBacktraceContext( uint64_t iID, BacktraceContext *ctx )
{ {
/* Can't GetThreadBacktraceContext the current thread. */ /* Can't GetThreadBacktraceContext the current thread. */
ASSERT( iID != GetCurrentThreadId() ); ASSERT( iID != GetCurrentThreadId() );
#if defined(__ppc__)
SuspendThread( iID ); SuspendThread( iID );
thread_act_t thread = thread_act_t( iID ); thread_act_t thread = thread_act_t( iID );
#if defined(__ppc__)
ppc_thread_state state; ppc_thread_state state;
mach_msg_type_number_t count = PPC_THREAD_STATE_COUNT; mach_msg_type_number_t count = PPC_THREAD_STATE_COUNT;
@@ -38,6 +38,16 @@ bool GetThreadBacktraceContext( uint64_t iID, BacktraceContext *ctx )
ctx->FramePtr = (void *)state.r1; ctx->FramePtr = (void *)state.r1;
ctx->PC = (void *)state.srr0; ctx->PC = (void *)state.srr0;
return true; return true;
#elif defined(__i386__)
i386_thread_state state;
mach_msg_type_number_t count = i386_THREAD_STATE_COUNT;
if( thread_get_state(thread, i386_THREAD_STATE, thread_state_t(&state), &count) )
return false;
ctx->ip = (void *)state.eip;
ctx->bp = (void *)state.ebp;
ctx->sp = (void *)state.esp;
return true;
#else #else
return false; return false;
#endif #endif