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[svn r340] Rework exception handling to work with nested tryfinally and trycatch.

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This commit is contained in:
Christian Kamm
2008-07-05 10:22:56 +02:00
parent 4fc93770a9
commit ce79feeb9b
6 changed files with 295 additions and 136 deletions
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4
tango/lib/compiler/llvmdc/eh.d
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@@ -4,7 +4,7 @@
import util.console;
//debug = EH_personality;
// debug = EH_personality;
private extern(C) void abort();
private extern(C) int printf(char*, ...);
@@ -251,6 +251,7 @@ private _Unwind_Reason_Code _d_eh_install_catch_context(_Unwind_Action actions,
else if(actions & _Unwind_Action.HANDLER_PHASE)
{
debug(EH_personality) printf("Setting switch value to: %d!\n", switchval);
_Unwind_SetGR(context, eh_exception_regno, cast(ulong)cast(void*)(exception_struct.exception_object));
_Unwind_SetGR(context, eh_selector_regno, switchval);
_Unwind_SetIP(context, landing_pad);
@@ -269,6 +270,7 @@ private _Unwind_Reason_Code _d_eh_install_finally_context(_Unwind_Action actions
debug(EH_personality) printf("Calling cleanup routine...\n");
_Unwind_SetGR(context, eh_exception_regno, cast(ulong)exception_struct);
_Unwind_SetGR(context, eh_selector_regno, 0);
_Unwind_SetIP(context, landing_pad);
return _Unwind_Reason_Code.INSTALL_CONTEXT;
}