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musl/crt/x86_64/crti.s

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add support for init/finit (constructors and destructors) 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.
2012-02-06 19:39:09 +00:00
.section .init
.global _init
_init:
align stack properly for calling global ctors/dtors on x86[_64] 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.
2013-06-03 21:32:42 +00:00
push %rax
add support for init/finit (constructors and destructors) 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.
2012-02-06 19:39:09 +00:00
.section .fini
.global _fini
_fini:
align stack properly for calling global ctors/dtors on x86[_64] 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.
2013-06-03 21:32:42 +00:00
push %rax