Remove dead library, it is now folded into crtend

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8532 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 134 deletions

diff --git a/runtime/GCCLibraries/libexception/SJLJ-Exception.cpp b/runtime/GCCLibraries/libexception/SJLJ-Exception.cpp
deleted file mode 100644
index 8bc13e7659..0000000000
--- a/runtime/GCCLibraries/libexception/SJLJ-Exception.cpp
+++ /dev/null
@@ -1,134 +0,0 @@
-//===- SJLJ-Exception.cpp - SetJmp/LongJmp Exception Handling -------------===//
-//
-// This file implements the API used by the Setjmp/Longjmp exception handling
-// runtime library.
-//
-//===----------------------------------------------------------------------===//
-
-#include "SJLJ-Exception.h"
-#include <cstdlib>
-#include <cassert>
-
-// get_sjlj_exception - Adjust the llvm_exception pointer to be an appropriate
-// llvm_sjlj_exception pointer.
-inline llvm_sjlj_exception *get_sjlj_exception(llvm_exception *E) {
-  assert(E->ExceptionType == SJLJException);
-  return (llvm_sjlj_exception*)(E+1) - 1;
-}
-
-// SetJmpMapEntry - One entry in a linked list of setjmps for the current
-// function.
-struct SetJmpMapEntry {
-  void *JmpBuf;
-  unsigned SetJmpID;
-  SetJmpMapEntry *Next;
-};
-
-// SJLJDestructor - This function is used to free the exception when
-// language-indent code needs to destroy the exception without knowing exactly
-// what type it is.
-static void SJLJDestructor(llvm_exception *E) {
-  free(get_sjlj_exception(E));
-}
-
-
-// __llvm_sjljeh_throw_longjmp - This function creates the longjmp exception and
-// returns.  It takes care of mapping the longjmp value from 0 -> 1 as
-// appropriate.  The caller should immediately call llvm.unwind after this
-// function call.
-void __llvm_sjljeh_throw_longjmp(void *JmpBuffer, int Val) throw() {
-  llvm_sjlj_exception *E =
-    (llvm_sjlj_exception *)malloc(sizeof(llvm_sjlj_exception));
-  E->BaseException.ExceptionDestructor = SJLJDestructor;
-  E->BaseException.ExceptionType = SJLJException;
-  E->BaseException.HandlerCount = 0;
-  E->BaseException.isRethrown = 0;
-  E->JmpBuffer = JmpBuffer;
-  E->LongJmpValue = Val ? Val : 1;
-
-  __llvm_eh_add_uncaught_exception(&E->BaseException);
-}
-
-// __llvm_sjljeh_init_setjmpmap - This funciton initializes the pointer provided
-// to an empty setjmp map, and should be called on entry to a function which
-// calls setjmp.
-void __llvm_sjljeh_init_setjmpmap(void **SetJmpMap) throw() {
-  *SetJmpMap = 0;
-}
-
-// __llvm_sjljeh_destroy_setjmpmap - This function frees all memory associated
-// with the specified setjmpmap structure.  It should be called on all exits
-// (returns or unwinds) from the function which calls ...init_setjmpmap.
-void __llvm_sjljeh_destroy_setjmpmap(void **SetJmpMap) throw() {
-  SetJmpMapEntry *Next;
-  for (SetJmpMapEntry *SJE = *(SetJmpMapEntry**)SetJmpMap; SJE; SJE = Next) {
-    Next = SJE->Next;
-    free(SJE);
-  }
-}
-
-// __llvm_sjljeh_add_setjmp_to_map - This function adds or updates an entry to
-// the map, to indicate which setjmp should be returned to if a longjmp happens.
-void __llvm_sjljeh_add_setjmp_to_map(void **SetJmpMap, void *JmpBuf,
-                                     unsigned SetJmpID) throw() {
-  SetJmpMapEntry **SJE = (SetJmpMapEntry**)SetJmpMap;
-
-  // Scan for a pre-existing entry...
-  for (; *SJE; SJE = &(*SJE)->Next)
-    if ((*SJE)->JmpBuf == JmpBuf) {
-      (*SJE)->SetJmpID = SetJmpID;
-      return;
-    }
-
-  // No prexisting entry found, append to the end of the list...
-  SetJmpMapEntry *New = (SetJmpMapEntry *)malloc(sizeof(SetJmpMapEntry));
-  *SJE = New;
-  New->JmpBuf = JmpBuf;
-  New->SetJmpID = SetJmpID;
-  New->Next = 0;
-}
-
-// __llvm_sjljeh_is_longjmp_exception - This function returns true if the
-// current uncaught exception is a longjmp exception.  This is the first step of
-// catching a sjlj exception.
-bool __llvm_sjljeh_is_longjmp_exception() throw() {
-  return __llvm_eh_current_uncaught_exception_type(SJLJException) != 0;
-}
-  
-// __llvm_sjljeh_get_longjmp_value - This function returns the value that the
-// setjmp call should "return".  This requires that the current uncaught
-// exception be a sjlj exception, though it does not require the exception to be
-// caught by this function.
-int __llvm_sjljeh_get_longjmp_value() throw() {
-  llvm_sjlj_exception *E =
-    get_sjlj_exception(__llvm_eh_get_uncaught_exception());
-  return E->LongJmpValue;
-}
-
-// __llvm_sjljeh_try_catching_longjmp_exception - This function checks to see if
-// the current uncaught longjmp exception matches any of the setjmps collected
-// in the setjmpmap structure.  If so, it catches and destroys the exception,
-// returning the index of the setjmp which caught the exception.  If not, it
-// leaves the exception uncaught and returns a value of ~0.
-unsigned __llvm_sjljeh_try_catching_longjmp_exception(void **SetJmpMap) throw(){
-  llvm_sjlj_exception *E =
-    get_sjlj_exception(__llvm_eh_get_uncaught_exception());
- 
-  // Scan for a matching entry in the SetJmpMap...
-  SetJmpMapEntry *SJE = *(SetJmpMapEntry**)SetJmpMap;
-  for (; SJE; SJE = SJE->Next)
-    if (SJE->JmpBuf == E->JmpBuffer) {
-      // "Catch" and destroy the exception...
-      __llvm_eh_pop_from_uncaught_stack();
-
-      // We know it's a longjmp exception, so we can just free it instead of
-      // calling the destructor.
-      free(E);
-
-      // Return the setjmp ID which we should branch to...
-      return SJE->SetJmpID;
-    }
-  
-  // No setjmp in this function catches the exception!
-  return ~0;
-}