syscall.h File Reference

#include "procc/process.h"
#include <type.h>

Go to the source code of this file.

Data Structures
struct	iovec

Macros
#define	SYSCALL_READ   0X0
#define	SYSCALL_WRITE   0X1
#define	SYSCALL_OPEN   0X2
#define	SYSCALL_CLOSE   0x3
#define	SYSCALL_FSTAT   0X4
#define	SYSCALL_ALLOC   0x8
#define	SYSCALL_ARCH_PRCTL   158
#define	SYSCALL_API   0X9F
#define	SYSCALL_SET_TID   0xDA
#define	SYSCALL_EXIT   0x3C
#define	SYSCALL_IOCTL   0x10
#define	SYSCALL_WRITEV   0x14
#define	SYSCALL_EXIT_GROUP   0xE7
#define	SYSCALL_BRK   0x0C
#define	SYSCALL_MMAP   0x9
#define	SYSCALL_MPORTECT   0x0A
#define	PROT_NONE   0
#define	PROT_READ   1
#define	PROT_WRITE   2
#define	PROT_EXEC   4
#define	PROT_GROWSDOWN   0x01000000
#define	PROT_GROWSUP   0x02000000

Functions
void	syscall_init (void)
int	syscall_read (int fd, void *buf, long count)
int	syscall_write (int fd, void *buf, long count)
int	syscall_open (const char *path, int flags, int mode)
int	syscall_arch_prctl (int code, unsigned long addr)
pid_t	syscall_set_tid (uint32_t tid)
int	syscall_ioctl (int fd, uint32_t req, void *arg)
intptr_t	syscall_brk (void *addr)
void *	syscall_mmap (void *addr, size_t len, int prot, int flags, int fd, long off)
int	syscall_mprotect (void *addr, size_t len, int prot)
long	syscall_writev (int fd, const struct iovec *iov, int iovcnt)
void	syscall_exit_group (int status)

Macro Definition Documentation

PROT_EXEC

#define PROT_EXEC   4

Definition at line 28 of file syscall.h.

Referenced by mmap_prot_to_flags(), and syscall_mprotect().

PROT_GROWSDOWN

#define PROT_GROWSDOWN   0x01000000

Definition at line 29 of file syscall.h.

PROT_GROWSUP

#define PROT_GROWSUP   0x02000000

Definition at line 30 of file syscall.h.

PROT_NONE

#define PROT_NONE   0

Definition at line 25 of file syscall.h.

Referenced by mmap_prot_to_flags().

PROT_READ

#define PROT_READ   1

Definition at line 26 of file syscall.h.

Referenced by mmap_prot_to_flags(), and syscall_mprotect().

PROT_WRITE

#define PROT_WRITE   2

Definition at line 27 of file syscall.h.

Referenced by mmap_prot_to_flags(), and syscall_mprotect().

SYSCALL_ALLOC

#define SYSCALL_ALLOC   0x8

Definition at line 13 of file syscall.h.

SYSCALL_API

#define SYSCALL_API   0X9F

Definition at line 15 of file syscall.h.

SYSCALL_ARCH_PRCTL

#define SYSCALL_ARCH_PRCTL   158

Definition at line 14 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_BRK

#define SYSCALL_BRK   0x0C

Definition at line 21 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_CLOSE

#define SYSCALL_CLOSE   0x3

Definition at line 11 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_EXIT

#define SYSCALL_EXIT   0x3C

Definition at line 17 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_EXIT_GROUP

#define SYSCALL_EXIT_GROUP   0xE7

Definition at line 20 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_FSTAT

#define SYSCALL_FSTAT   0X4

Definition at line 12 of file syscall.h.

SYSCALL_IOCTL

#define SYSCALL_IOCTL   0x10

Definition at line 18 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_MMAP

#define SYSCALL_MMAP   0x9

Definition at line 22 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_MPORTECT

#define SYSCALL_MPORTECT   0x0A

Definition at line 23 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_OPEN

#define SYSCALL_OPEN   0X2

Definition at line 10 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_READ

#define SYSCALL_READ   0X0

Definition at line 8 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_SET_TID

#define SYSCALL_SET_TID   0xDA

Definition at line 16 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_WRITE

#define SYSCALL_WRITE   0X1

Definition at line 9 of file syscall.h.

Referenced by syscall_dispatch().

SYSCALL_WRITEV

#define SYSCALL_WRITEV   0x14

Definition at line 19 of file syscall.h.

Referenced by syscall_dispatch().

Function Documentation

syscall_arch_prctl()

int syscall_arch_prctl	(	int	code,
		unsigned long	addr )

Definition at line 14 of file arch_prctl.c.

References addr, ARCH_GET_FS, ARCH_GET_GS, ARCH_SET_FS, ARCH_SET_GS, code, get_current_core_data(), msrSetFSBase(), msrSetKernelGSBase(), and serial2_printf().

Referenced by syscall_dispatch().

syscall_brk()

intptr_t syscall_brk

(

void *

addr

)

Definition at line 8 of file brk.c.

References addr, ALIGN_UP, get_current_core_data(), heap_start, PAGE_PRESENT, PAGE_SIZE, PAGE_USER, PAGE_WRITABLE, phys_base_alloc(), serial2_printf(), spin_acquire(), spin_release(), and vxMmap().

Referenced by syscall_dispatch().

syscall_exit_group()

void syscall_exit_group

(

int

status

)

Definition at line 5 of file exit_group.c.

References get_current_core_data(), serial2_printf(), and status.

Referenced by syscall_dispatch().

syscall_init()

void syscall_init

(

void

)

Definition at line 15 of file syscall.c.

References MSR_EFER, MSR_FMASK, MSR_LSTAR, MSR_STAR, syscall_entry(), vxRDMSR(), and vxWRSR().

Referenced by __attribute__(), and INIT().

syscall_ioctl()

int syscall_ioctl	(	int	fd,
		uint32_t	req,
		void *	arg )

Definition at line 8 of file ioctl.c.

References EBADF, ENOTTY, fdt, get_current_core_data(), LOG2_ERROR, and ops.

Referenced by syscall_dispatch().

syscall_mmap()

void * syscall_mmap	(	void *	addr,
		size_t	len,
		int	prot,
		int	flags,
		int	fd,
		long	off )

Definition at line 100 of file mmap.c.

References addr, ALIGN_UP, EINVAL, ENOENT, ENOSPC, flags, get_current_core_data(), len, MAP_ANONYMOUS, MAP_PRIVATE, mmap_handle_anonymous(), mmap_prot_to_flags(), serial2_printf(), and serial_trace.

Referenced by syscall_dispatch().

syscall_mprotect()

int syscall_mprotect	(	void *	addr,
		size_t	len,
		int	prot )

Definition at line 9 of file mprotect.c.

References addr, ALIGN_DOWN, ALIGN_UP, get_current_core_data(), len, PAGE_NO_EXECUTE, PAGE_PRESENT, PAGE_USER, PAGE_WRITABLE, PROT_EXEC, PROT_READ, PROT_WRITE, serial2_printf(), vma_find(), and vxMultipleMmap().

Referenced by syscall_dispatch().

syscall_open()

int syscall_open	(	const char *	path,
		int	flags,
		int	mode )

Definition at line 6 of file open.c.

References flags, mode, and path.

Referenced by syscall_dispatch().

syscall_read()

int syscall_read	(	int	fd,
		void *	buf,
		long	count )

Definition at line 9 of file read.c.

References count, EBADF, ENOTTY, fdt, get_current_core_data(), LOG2_ERROR, and ops.

Referenced by syscall_dispatch().

syscall_set_tid()

pid_t syscall_set_tid

(

uint32_t

tid

)

Definition at line 5 of file set_tid.c.

References get_current_core_data().

Referenced by syscall_dispatch().

syscall_write()

int syscall_write	(	int	fd,
		void *	buf,
		long	count )

Definition at line 8 of file write.c.

References count, EBADF, ENOTTY, fdt, get_current_core_data(), LOG2_ERROR, and ops.

Referenced by syscall_dispatch().

syscall_writev()

long syscall_writev	(	int	fd,
		const struct iovec *	iov,
		int	iovcnt )

Definition at line 9 of file writev.c.

References EBADF, EINVAL, ENOTTY, fdt, get_current_core_data(), iovec::iov_base, iovec::iov_len, kalloc(), LOG2_ERROR, memcopy(), ops, and serial2_printf().

Referenced by syscall_dispatch().