PERFORCE change 104860 for review

[Oleksandr Tymoshenko]

http://perforce.freebsd.org/chv.cgi?CH=104860

Change 104860 by gonzo at gonzo_hideout on 2006/08/23 21:36:41

	o Throw away amd64 profiling code.
	o Replace profiling codes with stubs.

Affected files ...

.. //depot/projects/mips2/src/sys/mips/include/profile.h#2 edit

Differences ...

==== //depot/projects/mips2/src/sys/mips/include/profile.h#2 (text+ko) ====

@@ -57,19 +57,7 @@
 #define	MCOUNT_DECL(s)
 #define	MCOUNT_ENTER(s)
 #define	MCOUNT_EXIT(s)
-#ifdef __GNUCLIKE_ASM
-#define	MCOUNT_OVERHEAD(label)						\
-	__asm __volatile("pushq %0; call __mcount; popq %%rcx"		\
-			 :						\
-			 : "i" (profil)					\
-			 : "ax", "dx", "cx", "di", "si", "r8", "r9", "memory")
-#define	MEXITCOUNT_OVERHEAD()						\
-	__asm __volatile("call .mexitcount; 1:"				\
-			 : :						\
-			 : "ax", "dx", "cx", "di", "si", "r8", "r9", "memory")
-#define	MEXITCOUNT_OVERHEAD_GETLABEL(labelp)				\
-	__asm __volatile("movq $1b,%0" : "=rm" (labelp))
-#elif defined(lint)
+#if defined(lint)
 #define	MCOUNT_OVERHEAD(label)
 #define	MEXITCOUNT_OVERHEAD()
 #define	MEXITCOUNT_OVERHEAD_GETLABEL()
@@ -112,71 +100,11 @@
 static void _mcount(uintfptr_t frompc, uintfptr_t selfpc) __used; \
 static void _mcount
 
-#ifdef __GNUCLIKE_ASM
-#define	MCOUNT __asm("			\n\
-	.globl	.mcount			\n\
-	.type	.mcount @function	\n\
-.mcount:				\n\
-	pushq	%rbp			\n\
-	movq	%rsp,%rbp		\n\
-	pushq	%rdi			\n\
-	pushq	%rsi			\n\
-	pushq	%rdx			\n\
-	pushq	%rcx			\n\
-	pushq	%r8			\n\
-	pushq	%r9			\n\
-	pushq	%rax			\n\
-	movq	8(%rbp),%rsi		\n\
-	movq	(%rbp),%rdi		\n\
-	movq	8(%rdi),%rdi		\n\
-	call	_mcount			\n\
-	popq	%rax			\n\
-	popq	%r9			\n\
-	popq	%r8			\n\
-	popq	%rcx			\n\
-	popq	%rdx			\n\
-	popq	%rsi			\n\
-	popq	%rdi			\n\
-	leave				\n\
-	ret				\n\
-	.size	.mcount, . - .mcount");
-#if 0
-/*
- * We could use this, except it doesn't preserve the registers that were
- * being passed with arguments to the function that we were inserted
- * into.  I've left it here as documentation of what the code above is
- * supposed to do.
- */
 #define	MCOUNT								\
 void									\
 mcount()								\
 {									\
-	uintfptr_t selfpc, frompc;					\
-	/*								\
-	 * Find the return address for mcount,				\
-	 * and the return address for mcount's caller.			\
-	 *								\
-	 * selfpc = pc pushed by call to mcount				\
-	 */								\
-	__asm("movq 8(%%rbp),%0" : "=r" (selfpc));			\
-	/*								\
-	 * frompc = pc pushed by call to mcount's caller.		\
-	 * The caller's stack frame has already been built, so %rbp is	\
-	 * the caller's frame pointer.  The caller's raddr is in the	\
-	 * caller's frame following the caller's caller's frame pointer.\
-	 */								\
-	__asm("movq (%%rbp),%0" : "=r" (frompc));			\
-	frompc = ((uintfptr_t *)frompc)[1];				\
-	_mcount(frompc, selfpc);					\
 }
-#endif
-#else /* !__GNUCLIKE_ASM */
-#define	MCOUNT								\
-void									\
-mcount()								\
-{									\
-}
-#endif /* __GNUCLIKE_ASM */
 
 typedef	u_long	uintfptr_t;