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📄 _inttypes.h(7.91 KB)
📄 _limits.h(3.63 KB)
📄 _stdint.h(4.82 KB)
📄 _types.h(3.66 KB)
📄 acpica_machdep.h(2.27 KB)
📄 armreg.h(47.3 KB)
📄 asm.h(3.52 KB)
📄 atomic.h(17.74 KB)
📄 bus.h(19.24 KB)
📄 bus_dma.h(3.83 KB)
📄 bus_dma_impl.h(4.09 KB)
📄 clock.h(16 B)
📄 counter.h(2.45 KB)
📄 cpu.h(6.81 KB)
📄 cpufunc.h(4.97 KB)
📄 csan.h(2.73 KB)
📄 db_machdep.h(5.3 KB)
📄 debug_monitor.h(2.36 KB)
📄 disassem.h(1.67 KB)
📄 dump.h(2.26 KB)
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📄 endian.h(3.57 KB)
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📄 float.h(3.56 KB)
📄 floatingpoint.h(45 B)
📄 fpu.h(87 B)
📄 frame.h(2.38 KB)
📄 gdb_machdep.h(2.4 KB)
📄 hypervisor.h(7.23 KB)
📄 ieeefp.h(1.23 KB)
📄 ifunc.h(2.28 KB)
📄 in_cksum.h(2.18 KB)
📄 intr.h(1.81 KB)
📄 iodev.h(2.23 KB)
📄 iommu.h(180 B)
📄 kdb.h(1.89 KB)
📄 machdep.h(2.15 KB)
📄 md_var.h(2.5 KB)
📄 memdev.h(1.55 KB)
📄 metadata.h(1.87 KB)
📄 minidump.h(1.75 KB)
📄 ofw_machdep.h(1.65 KB)
📄 param.h(3.77 KB)
📄 pcb.h(2.61 KB)
📄 pci_cfgreg.h(1.57 KB)
📄 pcpu.h(2.61 KB)
📄 pcpu_aux.h(1.94 KB)
📄 pmap.h(6.57 KB)
📄 pmc_mdep.h(2.21 KB)
📄 proc.h(2.37 KB)
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📄 profile.h(2.19 KB)
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📄 pte.h(5.21 KB)
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📄 reg.h(2.94 KB)
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📄 resource.h(1.98 KB)
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📄 setjmp.h(2.69 KB)
📄 sf_buf.h(1.95 KB)
📄 sigframe.h(43 B)
📄 signal.h(1.98 KB)
📄 smp.h(1.9 KB)
📄 stack.h(1.64 KB)
📄 stdarg.h(1.58 KB)
📄 sysarch.h(1.86 KB)
📄 trap.h(16 B)
📄 ucontext.h(2.65 KB)
📄 undefined.h(2.27 KB)
📄 vdso.h(1.57 KB)
📄 vfp.h(3.65 KB)
📄 vm.h(1.8 KB)
📄 vmparam.h(7.44 KB)

Editing: csan.h

/*	$NetBSD: csan.h,v 1.2 2019/11/06 06:57:22 maxv Exp $	*/

/*
 * Copyright (c) 2019 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Maxime Villard.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 *
 * $FreeBSD$
 */

#include <machine/cpufunc.h>
#include <machine/stack.h>
#include <machine/vmparam.h>

static inline bool
kcsan_md_unsupported(vm_offset_t addr)
{
	return false;
}

static inline bool
kcsan_md_is_avail(void)
{
	return true;
}

static inline void
kcsan_md_disable_intrs(uint64_t *state)
{

*state = intr_disable();
}

static inline void
kcsan_md_enable_intrs(uint64_t *state)
{

intr_restore(*state);
}

static inline void
kcsan_md_delay(uint64_t us)
{
	DELAY(us);
}

static void
kcsan_md_unwind(void)
{
#ifdef DDB
	c_db_sym_t sym;
	db_expr_t offset;
	const char *symname;
#endif
	struct unwind_state frame;
	uintptr_t sp;
	int nsym;

__asm __volatile("mov %0, sp" : "=&r" (sp));

frame.sp = sp;
	frame.fp = (uintptr_t)__builtin_frame_address(0);
	frame.pc = (uintptr_t)kcsan_md_unwind;
	nsym = 0;

while (1) {
		if (!unwind_frame(curthread, &frame))
			break;
		if (!INKERNEL((vm_offset_t)frame.pc))
			break;

#ifdef DDB
		sym = db_search_symbol((vm_offset_t)frame.pc, DB_STGY_PROC,
		    &offset);
		db_symbol_values(sym, &symname, NULL);
		printf("#%d %p in %s+%#lx\n", nsym, (void *)frame.pc,
		    symname, offset);
#else
		printf("#%d %p\n", nsym, (void *)frame.pc);
#endif
		nsym++;

if (nsym >= 15) {
			break;
		}
	}
}

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Editing: csan.h

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