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cygwin: Fix crashes under AllocationPreference=0x100000 condition

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* cygtls.h: Include cygtls_padsize.h and define CYGTLS_PADSIZE there.
        * cygtls_padsize.h: New file.  Define CYGTLS_PADSIZE.
        * environ.cc (parse_options): Fix NULL pointer access.
        * init.cc (threadfunc_fe): Do not force stack align on x86_64.

        * strace.cc (main2): Rename from main.
        (main): Make room for _cygtls area on stack and just call main2.  Add
        comment to explain why.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2015-07-29 13:32:29 +02:00
parent 9753bc3333
commit 6ab56bdd3f
8 changed files with 55 additions and 13 deletions
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winsup/cygwin/release/2.2.0
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@@ -21,3 +21,6 @@ Bug Fixes
- Fix potential hang running ldd(1).
Addresses: https://cygwin.com/ml/cygwin/2015-07/msg00292.html
- Fix crashes under AllocationPreference=0x100000 condition
Addresses: https://cygwin.com/ml/cygwin/2015-02/msg00765.html