DELTA 330539 0 453
SVN ”$”6^ ‰S † …Q‰=€V ƒ6n\md_varbool old_wp;
	int ret;

	old_wp = false;
	prev_jb = kdb_jmpbuf(jb);
	ret = setjmp(jb);
	if (ret == 0) {
		old_wp = disable_wp();
		dst = (char *)addr;
		while (size-- > 0)
			*dst++ = *data++;
	}
	restore_wp(old_wpENDREP
DELTA 330539 479 240
SVN ¡L¡?u  † “>Œq€n¡Ftmd_var
	return (disable_wp() ? &gdb_begin_write : NULL);
}

void
gdb_end_write(void *arg)
{

	restore_wp(arg != NULLENDREP
DELTA 328908 0 176
SVN „¡>„¤A‚ „žH €‚} ‚|„žB‚}/*
 * Enable and restore kernel text write permissions.
 * Callers must ensure that disable_wp()/restore_wp() are executed
 * without rescheduling on the same core.
 */
bool
disable_wp(void)
{
	u_int cr0;

	cr0 = rcr0();
	if ((cr0 & CR0_WP) == 0)
		return (false);
	load_cr0(cr0 & ~CR0_WP);
	return (true);
}

void
restore_wp(bool old_wp)
{

	if (old_wp)
		load_cr0(rcr0() | CR0_WPENDREP
DELTA 328625 1722 437
SVN ™™H3
 q ² ˆ%n2bool	disable_wp(void);
void	restore_wp(bool old_wpENDREP
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apic_vector.S
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file 4-26168.0.r328470/11069
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atomic.c
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atpic_vector.S
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bios.c
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bpf_jit_machdep.c
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bpf_jit_machdep.h
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cpu_switch.S
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db_disasm.c
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file 16-4.e-5.r314068/4586
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db_interface.c
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file 18-4.f-5.r331252/991
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db_trace.c
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file 1a-4.g-5.r330338/140
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efirt_machdep.c
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file 4-84121.0-324177.r330868/7736
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elf_machdep.c
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exception.S
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fpu.c
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gdb_machdep.c
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genassym.c
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initcpu.c
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io.c
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locore.S
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machdep.c
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mem.c
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minidump_machdep.c
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mp_machdep.c
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mpboot.S
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pmap.c
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prof_machdep.c
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ptrace_machdep.c
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sigtramp.S
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support.S
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trap.c
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END
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_align.h
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asm.h
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asmacros.h
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cpu.h
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db_machdep.h
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dump.h
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efi.h
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pc
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18-4.f-5.t331251-73x1 modify-file true false /head/sys/amd64/amd64/db_interface.c

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