main.c File Reference

Software Interrupt Emulation - Emulation of software interrupts. More...

#include <xtf.h>
#include "lowlevel.h"

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Data Structures
struct	insn

Macros
#define	COND(_32, _64)   _64
#define	EXINFO_TRAP   EXINFO_AVAIL0
#define	TRAP(V)   EXINFO_SYM(V, 0) | EXINFO_TRAP
#define	FAULT(V)   EXINFO_SYM(V, 0)
#define	FAULT_EC(V, ...)   EXINFO_SYM(V, EXC_EC_SYM(__VA_ARGS__))

Enumerations
enum	mode { KERN , USER , KERN , USER }

Functions
bool	ex_record_trap_eax (struct cpu_regs *regs, const struct extable_entry *ex)
void	test_insn (enum mode user, const struct insn *insn, exinfo_t exp)
static void	set_idt_entries_present (bool present)
	Modify the present flag on the IDT entries under test. More...
static void	set_idt_entries_dpl (unsigned int dpl)
	Modify the descriptor privilege level on the IDT entries under test. More...
void	cpl3_tests (void)
	Tests run in user mode. More...
void	cpl0_tests (void)
	Tests run in supervisor mode. More...
void	test_main (void)
	To be implemented by each test, as its entry point. More...

Variables
const char	test_title [] = "Software interrupt emulation"
	The title of the test. More...
const struct insn	int3
const struct insn	int_0x3
const struct insn	icebp
const struct insn	int_0x1
const struct insn	into

Detailed Description

Software Interrupt Emulation - Emulation of software interrupts.

Definition in file main.c.

Macro Definition Documentation

COND

#define COND	(		_32,
			_64
	)		_64

Definition at line 56 of file main.c.

EXINFO_TRAP

#define EXINFO_TRAP   EXINFO_AVAIL0

Definition at line 59 of file main.c.

TRAP

#define TRAP

(

V

)

EXINFO_SYM(V, 0) | EXINFO_TRAP

Definition at line 197 of file main.c.

FAULT

#define FAULT

(

V

)

EXINFO_SYM(V, 0)

Definition at line 198 of file main.c.

FAULT_EC

#define FAULT_EC	(		V,
			...
	)		EXINFO_SYM(V, EXC_EC_SYM(__VA_ARGS__))

Definition at line 199 of file main.c.

Enumeration Type Documentation

mode

enum mode

Enumerator
KERN
USER
KERN
USER

Definition at line 61 of file main.c.

Function Documentation

ex_record_trap_eax()

bool ex_record_trap_eax	(	struct cpu_regs *	regs,
		const struct extable_entry *	ex
	)

Definition at line 63 of file main.c.

test_insn()

void test_insn	(	enum mode	user,
		const struct insn *	insn,
		exinfo_t	exp
	)

Definition at line 158 of file main.c.

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set_idt_entries_present()

static void set_idt_entries_present ( bool  present )

static

Modify the present flag on the IDT entries under test.

Definition at line 182 of file main.c.

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set_idt_entries_dpl()

static void set_idt_entries_dpl ( unsigned int  dpl )

static

Modify the descriptor privilege level on the IDT entries under test.

Definition at line 190 of file main.c.

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cpl3_tests()

void cpl3_tests

(

void

)

Tests run in user mode.

Definition at line 202 of file main.c.

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cpl0_tests()

void cpl0_tests

(

void

)

Tests run in supervisor mode.

Definition at line 241 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.

Definition at line 266 of file main.c.

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Variable Documentation

test_title

const char test_title[] = "Software interrupt emulation"

The title of the test.

Definition at line 51 of file main.c.

int3

const struct insn int3

Initial value:

= {
    "int3",
    {
        stub_int3,
        stub_int3_A,
        stub_int3_F,
        stub_int3_FA,
    },
    {
        stub_user_int3,
        stub_user_int3_A,
        stub_user_int3_F,
        stub_user_int3_FA,
    },
}

Definition at line 78 of file main.c.

int_0x3

const struct insn int_0x3

Initial value:

= {
    "int $3",
    {
        stub_int_0x3,
        stub_int_0x3_A,
        stub_int_0x3_F,
        stub_int_0x3_FA,
    },
    {
        stub_user_int_0x3,
        stub_user_int_0x3_A,
        stub_user_int_0x3_F,
        stub_user_int_0x3_FA,
    },
}

Definition at line 94 of file main.c.

icebp

const struct insn icebp

Initial value:

= {
    "icebp",
    {
        stub_icebp,
        stub_icebp_A,
        stub_icebp_F,
        stub_icebp_FA,
    },
    {
        stub_user_icebp,
        stub_user_icebp_A,
        stub_user_icebp_F,
        stub_user_icebp_FA,
    },
}

Definition at line 110 of file main.c.

int_0x1

const struct insn int_0x1

Initial value:

= {
    "int $1",
    {
        stub_int_0x1,
        stub_int_0x1_A,
        stub_int_0x1_F,
        stub_int_0x1_FA,
    },
    {
        stub_user_int_0x1,
        stub_user_int_0x1_A,
        stub_user_int_0x1_F,
        stub_user_int_0x1_FA,
    },
}

Definition at line 126 of file main.c.

into

const struct insn into

Initial value:

= {
    "into",
    {
        stub_into,
        stub_into_A,
        stub_into_F,
        stub_into_FA,
    },
    {
        stub_user_into,
        stub_user_into_A,
        stub_user_into_F,
        stub_user_into_FA,
    },
}

Definition at line 142 of file main.c.