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Add support for people calling main recursively

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10535 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-12-19 07:51:46 +00:00
parent e4365b2e8c
commit 86f3dda18b
1 changed files with 7 additions and 0 deletions
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7
runtime/GCCLibraries/crtend/crtend.c
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@ -34,6 +34,13 @@ void __main(void) {
/* Loop over all of the constructor records, calling each function pointer. */ /* Loop over all of the constructor records, calling each function pointer. */
TorRec *R = __llvm_getGlobalCtors(); TorRec *R = __llvm_getGlobalCtors();
/* Recursively calling main is not legal C, but lots of people do it for
* testing stuff. We might as well work for them.
*/
static _Bool Initialized = 0;
if (Initialized) return;
Initialized = 1;
/* Only register the global dtor handler if there is at least one global /* Only register the global dtor handler if there is at least one global
* dtor! * dtor!
*/ */