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* prepare cancellation syscall asm for possibility of __cancel returningRich Felker2015-02-201-1/+0
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* powerpc: handle syscall error in clone.rofl0r2012-11-191-25/+9
| | | | sigsetjmp: store temporaries in jmp_buf rather than on stack.
* fix powerpc asm not to store data in volatile space below stack pointerRich Felker2012-11-181-4/+4
| | | | | | | | | | | it's essential to decrement the stack pointer before writing to new stack space, rather than afterwards. otherwise there is a race condition during which asynchronous code (signals) could clobber the data being stored. it may be possible to optimize the code further using stwu, but I wanted to avoid making any changes to the actual stack layout in this commit. further improvements can be made separately if desired.
* fix indention with spaces in powerpc asmRich Felker2012-11-141-8/+8
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* PPC port cleaned up, static linking works well now.rofl0r2012-11-134-0/+154