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* align stack properly for calling global ctors/dtors on x86[_64]Rich Felker2013-06-032-0/+4
| | | | | | failure to do so was causing crashes on x86_64 when ctors used SSE, which was first observed when ctors called variadic functions due to the SSE prologue code inserted into every variadic function.
* consistency cleanup: removed redundant size suffixed from i386 asmRich Felker2012-05-022-22/+22
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* PIE support for i386Rich Felker2012-05-021-0/+24
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* remove attempts to be pie-compatible from i386 crt1.sRich Felker2012-05-021-6/+3
| | | | | | | | | | it does not work; after further consideration, a separate Scrt1.s for pie really is essential. it would be nice if the unified approach worked, but the linker fails to generate the correct PLT entries and instead puts textrels in the main program, which don't work because the kernel maps the text read-only. new Scrt1.s will be committed soon in place of this.
* add support for init/finit (constructors and destructors)Rich Felker2012-02-063-2/+18
| | | | | | | | | | this is mainly in hopes of supporting c++ (not yet possible for other reasons) but will also help applications/libraries which use (and more often, abuse) the gcc __attribute__((__constructor__)) feature in "C" code. x86_64 and arm versions of the new startup asm are untested and may have minor problems.
* cleanup comment cruft in startup codeRich Felker2011-02-211-1/+0
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* make startup code PIE-compatibleRich Felker2011-02-211-2/+4
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* shave off 2 bytes from crt1.o _startRich Felker2011-02-201-2/+2
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* initial check-in, version 0.5.0 v0.5.0Rich Felker2011-02-121-0/+17