main.c File Reference

XSA-298 More...

#include <xtf.h>

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Macros
#define	GATE_SEL   (0x1000 | X86_SEL_LDT | 3)

Functions
unsigned int	gate_target (void)
	asm ("gate_target:;" "mov %cs, %eax;")
static void	user1 (void)
static unsigned long	user2 (void)
static int	remap_linear (const void *linear, uint64_t flags)
void	test_main (void)
	To be implemented by each test, as its entry point. More...

Variables
const char	test_title [] = "XSA-298 PoC"
	The title of the test. More...

Detailed Description

XSA-298

Definition in file main.c.

Macro Definition Documentation

GATE_SEL

#define GATE_SEL   (0x1000 | X86_SEL_LDT | 3)

Definition at line 42 of file main.c.

Function Documentation

gate_target()

unsigned int gate_target

(

void

)

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asm()

asm	(	"gate_target:;" "mov %	cs,
		%eax;"
	)

user1()

static void user1 ( void  )

static

Definition at line 50 of file main.c.

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user2()

static unsigned long user2 ( void  )

static

Definition at line 57 of file main.c.

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remap_linear()

static int remap_linear ( const void *  linear, uint64_t  flags  )

static

Definition at line 85 of file main.c.

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test_main()

void test_main

(

void

)

To be implemented by each test, as its entry point.

Todo:

Implement better command line infrastructure, but this will do for now.

At the time of writing, Xen doesn't correctly handle invlpg while running in shadow mode on AMD Gen1 hardware lacking decode assistance. For this test, we simply care that Xen doesn't crash.

Definition at line 92 of file main.c.

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Variable Documentation

test_title

const char test_title[] = "XSA-298 PoC"

The title of the test.

Definition at line 40 of file main.c.