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Make sure no code in ld.so uses xmm/ymm registers on x86-64. This patch introduces a test to make sure no function modifies the xmm/ymm registers. With the exception of the auditing functions. The test is probably too pessimistic. All code linked into ld.so is checked. Perhaps at some point the callgraph starting from _dl_fixup and _dl_profile_fixup is checked and we can start using faster SSE-using functions in parts of ld.so.

2009-07-27 07:10:00 +08:00

#include "../rtld-strlen.S"