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| author | Chris Lattner <sabre@nondot.org> | 2003-12-19 07:51:46 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-12-19 07:51:46 +0000 |
| commit | 86f3dda18b7b36071c3f8753f868fb0c3ab22ed9 (patch) | |
| tree | 01d7b0895b9f793bca06a38ad27b48b7de62e958 /runtime | |
| parent | e4365b2e8c79f9b2d564f31fdcc0568da8e5d60f (diff) | |
| download | llvm-86f3dda18b7b36071c3f8753f868fb0c3ab22ed9.tar.gz llvm-86f3dda18b7b36071c3f8753f868fb0c3ab22ed9.tar.bz2 llvm-86f3dda18b7b36071c3f8753f868fb0c3ab22ed9.tar.xz | |
Add support for people calling main recursively
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10535 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'runtime')
| -rw-r--r-- | runtime/GCCLibraries/crtend/crtend.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/runtime/GCCLibraries/crtend/crtend.c b/runtime/GCCLibraries/crtend/crtend.c index 50bbdb7081..58f1bf5f9a 100644 --- a/runtime/GCCLibraries/crtend/crtend.c +++ b/runtime/GCCLibraries/crtend/crtend.c @@ -34,6 +34,13 @@ void __main(void) { /* Loop over all of the constructor records, calling each function pointer. */ 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 * dtor! */ |