Commit 06611d0a authored by Benjamin Kaduk's avatar Benjamin Kaduk Committed by Rich Salz
Browse files

Remove OPENSSL_indirect_call() 



It's undocumented and unused in the tree.  The idea seems to have
never gained much traction, and can be removed without breaking
ABI compatibility.

Reviewed-by: default avatarAndy Polyakov <appro@openssl.org>
Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2800)
parent 5c6c4c5c

crypto/x86cpuid.pl

+0 −39
Original line number Diff line number Diff line
@@ -292,45 +292,6 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); } 
	&ret	();

&function_end_B("OPENSSL_atomic_add");



# This function can become handy under Win32 in situations when

# we don't know which calling convention, __stdcall or __cdecl(*),

# indirect callee is using. In C it can be deployed as

#

#ifdef OPENSSL_CPUID_OBJ

#	type OPENSSL_indirect_call(void *f,...);

#	...

#	OPENSSL_indirect_call(func,[up to $max arguments]);

#endif

#

# (*)	it's designed to work even for __fastcall if number of

#	arguments is 1 or 2!

&function_begin_B("OPENSSL_indirect_call");

	{

	my ($max,$i)=(7,);	# $max has to be chosen as 4*n-1

				# in order to preserve eventual

				# stack alignment

	&push	("ebp");

	&mov	("ebp","esp");

	&sub	("esp",$max*4);

	&mov	("ecx",&DWP(12,"ebp"));

	&mov	(&DWP(0,"esp"),"ecx");

	&mov	("edx",&DWP(16,"ebp"));

	&mov	(&DWP(4,"esp"),"edx");

	for($i=2;$i<$max;$i++)

		{

		# Some copies will be redundant/bogus...

		&mov	("eax",&DWP(12+$i*4,"ebp"));

		&mov	(&DWP(0+$i*4,"esp"),"eax");

		}

	&call_ptr	(&DWP(8,"ebp"));# make the call...

	&mov	("esp","ebp");	# ... and just restore the stack pointer

				# without paying attention to what we called,

				# (__cdecl *func) or (__stdcall *one).

	&pop	("ebp");

	&ret	();

	}

&function_end_B("OPENSSL_indirect_call");



&function_begin_B("OPENSSL_cleanse");

	&mov	("edx",&wparam(0));

	&mov	("ecx",&wparam(1));