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* rename dynamic linker entry point from _start to _dlstartRich Felker2014-06-201-2/+2
| | | | | | the main motivation for this change is to aid in debugging. since the main program's entry point is also named _start, it was difficult to set breakpoints or quickly identify which _start execution stopped in.
* add ldd and main program loading support to dynamic linkerRich Felker2012-05-271-0/+7
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* cleanup dynamic linker start code cruftRich Felker2012-05-271-4/+1
| | | | | | | | | | | | | two actual issues: one is that __dynlink no longer wants/needs a GOT pointer argument, so the code to generate that argument can be removed. the other issue was that in the i386 code, argc/argv were being loaded into registers that would be call-clobbered, then copied to preserved registers, rather than just being loaded into the proper call-preserved registers to begin with. this cleanup is in preparation for adding new dynamic linker functionality (ability to explicitly invoke the dynamic linker to run a program).
* dlsym entry point for armRich Felker2011-10-011-0/+6
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* dynamic linker entry point for armRich Felker2011-10-011-0/+14
mildly tested, seems to work