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📄 _align.h(87 B)
📄 _bus.h(1.78 KB)
📄 _inttypes.h(90 B)
📄 _limits.h(88 B)
📄 _stdint.h(88 B)
📄 _types.h(87 B)
📄 acpica_machdep.h(95 B)
📄 apm_bios.h(89 B)
📄 asm.h(3.6 KB)
📄 asmacros.h(10.11 KB)
📄 atomic.h(22.3 KB)
📄 bus.h(84 B)
📄 bus_dma.h(1.5 KB)
📄 clock.h(891 B)
📄 counter.h(2.53 KB)
📄 cpu.h(3.19 KB)
📄 cpufunc.h(18.89 KB)
📄 cputypes.h(89 B)
📄 csan.h(2.02 KB)
📄 db_machdep.h(2.83 KB)
📄 dump.h(85 B)
📄 efi.h(2.62 KB)
📄 elf.h(84 B)
📄 endian.h(87 B)
📄 exec.h(1.76 KB)
📄 fdt.h(84 B)
📄 float.h(86 B)
📄 floatingpoint.h(2.01 KB)
📄 fpu.h(3.28 KB)
📄 frame.h(1.78 KB)
📄 gdb_machdep.h(2.32 KB)
📄 ieeefp.h(8.9 KB)
📄 in_cksum.h(2.95 KB)
📄 intr_machdep.h(1.88 KB)
📄 iodev.h(1.81 KB)
📄 iommu.h(86 B)
📄 kdb.h(1.85 KB)
📄 limits.h(1.9 KB)
📄 md_var.h(3.66 KB)
📄 memdev.h(1.6 KB)
📄 metadata.h(89 B)
📄 minidump.h(1.73 KB)
📄 mp_watchdog.h(1.53 KB)
📄 nexusvar.h(1.76 KB)
📄 npx.h(84 B)
📄 ofw_machdep.h(92 B)
📄 param.h(5.92 KB)
📁 pc
📄 pcb.h(4.25 KB)
📄 pci_cfgreg.h(91 B)
📄 pcpu.h(10.3 KB)
📄 pcpu_aux.h(2.16 KB)
📄 pmap.h(18.41 KB)
📄 pmc_mdep.h(4.55 KB)
📄 ppireg.h(1.88 KB)
📄 proc.h(3.74 KB)
📄 procctl.h(88 B)
📄 profile.h(5.7 KB)
📄 psl.h(84 B)
📄 ptrace.h(87 B)
📄 pvclock.h(88 B)
📄 reg.h(84 B)
📄 reloc.h(2.26 KB)
📄 resource.h(1.93 KB)
📄 runq.h(1.85 KB)
📄 segments.h(4.08 KB)
📄 setjmp.h(87 B)
📄 sf_buf.h(2 KB)
📄 sgx.h(2.23 KB)
📄 sgxreg.h(4.95 KB)
📄 sigframe.h(89 B)
📄 signal.h(87 B)
📄 smp.h(1.15 KB)
📄 specialreg.h(91 B)
📄 stack.h(85 B)
📄 stdarg.h(87 B)
📄 sysarch.h(88 B)
📄 timerreg.h(2.05 KB)
📄 trap.h(85 B)
📄 tss.h(2.84 KB)
📄 ucontext.h(89 B)
📄 vdso.h(85 B)
📄 vm.h(2.02 KB)
📄 vmm.h(22.46 KB)
📄 vmm_dev.h(11.61 KB)
📄 vmm_instruction_emul.h(4.97 KB)
📄 vmm_snapshot.h(4.63 KB)
📄 vmparam.h(8.71 KB)
📁 xen

Editing: profile.h

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)profile.h	8.1 (Berkeley) 6/11/93
 * $FreeBSD$
 */

#ifndef _MACHINE_PROFILE_H_
#define	_MACHINE_PROFILE_H_

#ifndef _SYS_CDEFS_H_
#error this file needs sys/cdefs.h as a prerequisite
#endif

#ifdef _KERNEL

/*
 * Config generates something to tell the compiler to align functions on 16
 * byte boundaries.  A strict alignment is good for keeping the tables small.
 */
#define	FUNCTION_ALIGNMENT	16

/*
 * The kernel uses assembler stubs instead of unportable inlines.
 * This is mainly to save a little time when profiling is not enabled,
 * which is the usual case for the kernel.
 */
#define	_MCOUNT_DECL void mcount
#define	MCOUNT

#ifdef GUPROF
#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" (label)					\
			 : "cx", "r10", "r11", "memory")
#define	MEXITCOUNT_OVERHEAD()						\
	__asm __volatile("call .mexitcount; 1:"				\
			 : :						\
			 : "r10", "r11", "memory")
#define	MEXITCOUNT_OVERHEAD_GETLABEL(labelp)				\
	__asm __volatile("movq $1b,%0" : "=rm" (labelp))
#else
#error this file needs to be ported to your compiler
#endif /* !__GNUCLIKE_ASM */
#else /* !GUPROF */
#define	MCOUNT_DECL(s)	register_t s;
#ifdef SMP
extern int	mcount_lock;
#define	MCOUNT_ENTER(s)	{ s = intr_disable(); \
 			  while (!atomic_cmpset_acq_int(&mcount_lock, 0, 1)) \
			  	/* nothing */ ; }
#define	MCOUNT_EXIT(s)	{ atomic_store_rel_int(&mcount_lock, 0); \
			  intr_restore(s); }
#else
#define	MCOUNT_ENTER(s)	{ s = intr_disable(); }
#define	MCOUNT_EXIT(s)	(intr_restore(s))
#endif
#endif /* GUPROF */

void bintr(void);
void btrap(void);
void eintr(void);
void user(void);

#define	MCOUNT_FROMPC_USER(pc)					\
	((pc < (uintfptr_t)VM_MAXUSER_ADDRESS) ? (uintfptr_t)user : pc)

#define	MCOUNT_FROMPC_INTR(pc)					\
	((pc >= (uintfptr_t)btrap && pc < (uintfptr_t)eintr) ?	\
	    ((pc >= (uintfptr_t)bintr) ? (uintfptr_t)bintr :	\
		(uintfptr_t)btrap) : ~0UL)

#else /* !_KERNEL */

#define	FUNCTION_ALIGNMENT	4

#define	_MCOUNT_DECL \
static void _mcount(uintfptr_t frompc, uintfptr_t selfpc) __used; \
static void _mcount

#ifdef __GNUCLIKE_ASM
#define	MCOUNT __asm("			\n\
	.text				\n\
	.p2align 4,0x90			\n\
	.globl	.mcount			\n\
	.type	.mcount,@function	\n\
.mcount:				\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),%rdi		\n\
	movq	7*8(%rsp),%rsi		\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\
	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
#endif /* __GNUCLIKE_ASM */

typedef	u_long	uintfptr_t;

#endif /* _KERNEL */

/*
 * An unsigned integral type that can hold non-negative difference between
 * function pointers.
 */
typedef	u_long	fptrdiff_t;

#ifdef _KERNEL

void	mcount(uintfptr_t frompc, uintfptr_t selfpc);

#else /* !_KERNEL */

#include <sys/cdefs.h>

__BEGIN_DECLS
#ifdef __GNUCLIKE_ASM
void	mcount(void) __asm(".mcount");
#endif
__END_DECLS

#endif /* _KERNEL */

#endif /* !_MACHINE_PROFILE_H_ */

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