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authorH.J. Lu <hjl.tools@gmail.com>2016-03-01 16:58:07 -0800
committerH.J. Lu <hjl.tools@gmail.com>2016-03-01 16:58:07 -0800
commitec215346b92fdaef5d8042b5545e16beb7ccc7d1 (patch)
tree97f47ce77b7a57cf9727a7e3bad1221211ed4477 /gmon
parent521266a819be5b33b224f2e8358175c30c79f1c2 (diff)
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Call x86-64 __mcount_internal/__sigjmp_save directly
Since __mcount_internal and __sigjmp_save are internal to x86-64 libc.so:

3532: 0000000000104530   289 FUNC    LOCAL  DEFAULT   13 __mcount_internal
3391: 0000000000034170    38 FUNC    LOCAL  DEFAULT   13 __sigjmp_save

they can be called directly without PLT.

	* sysdeps/x86_64/_mcount.S (C_LABEL(_mcount)): Call
	__mcount_internal directly.
	(C_LABEL(__fentry__)): Likewise.
	* sysdeps/x86_64/setjmp.S __sigsetjmp): Call __sigjmp_save
	directly.
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