WebSVN – Kolibri OS – Diff – /kernel/trunk/posix/posix.inc


;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                              ;;
;; Copyright (C) KolibriOS team 2004-2017. All rights reserved. ;;
;;  Distributed under terms of the GNU General Public License.  ;;
;;                                                              ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
$Revision: 6917 $
 
ENOENT  equ      2
EBADF   equ      9
EFAULT  equ     14
;EINVAL  equ     22      11   defined in stack.inc
ENFILE  equ     23
EMFILE  equ     24
EPIPE   equ     32
 
FILEOP_CLOSE    equ     0
FILEOP_READ     equ     1
FILEOP_WRITE    equ     2
 
 
include "futex.inc"
 
iglobal
align 4
sys_futex_call:
        dd sys_futex.destroy        ;1
        dd sys_futex.wait           ;2
        dd sys_futex.wake           ;3
        dd sys_futex.requeue        ;4
        dd sys_futex.cmp_requeue    ;5
        dd sys_futex.wait_bitset    ;6
        dd sys_futex.wake_bitset    ;7
endg
 
include "pipe.inc"
 
iglobal
align 4
sys_posix_call:
        dd sys_futex.init   ;0     futex_init
        dd sys_futex        ;1     futex_destroy
        dd sys_futex        ;2     futex_wait
        dd sys_futex        ;3     futex_wake
        dd sys_futex        ;4     reserved
        dd sys_futex        ;5     reserved
        dd sys_futex        ;6     reserved
        dd sys_futex        ;7     reserved
        dd sys_posix.fail   ;8     sys_open
        dd sys_posix.fail   ;9     sys_close
        dd sys_read         ;10    read()
        dd sys_write        ;11    write()
        dd sys_posix.fail   ;12    sys_dup3
        dd sys_pipe2        ;13
.end:
endg
 
align 4
sys_posix:
        cmp     ebx, (sys_posix_call.end-sys_posix_call)/4
        jae     .fail
 
        jmp     dword [sys_posix_call+ebx*4]
 
.fail:
        mov     [esp+SYSCALL_STACK._eax], -EBADF
        ret
 
 
;ssize_t read(int fd, void *buf, size_t count);
; ecx fd
; edx buf
; esi count
 
align 4
sys_read:
        cmp     ecx, STDERR_FILENO
        jbe     .fail
        cmp     ecx, (PROC.pdt_0 - PROC.htab)/4
        jae     .fail
 
        mov     edi, [current_process]
        mov     ebp, [edi+PROC.htab+ecx*4]
 
        cmp     [ebp+FILED.magic], 'PIPE'
        jne     .fail
        cmp     [ebp+FILED.handle], ecx
        jne     .fail
 
        test    [ebp+FILED.mode], F_READ
        jz      .fail
 
        mov     ebp, [ebp+FILED.file]
        mov     eax, [ebp]
        jmp     dword [eax+FILEOP_READ*4]
.fail:
        mov     [esp+SYSCALL_STACK._eax], -EBADF
        ret
 
;ssize_t write(int fd, const void *buf, size_t count);
; ecx fd
; edx buf
; esi count
 
align 4
sys_write:
        cmp     ecx, STDERR_FILENO
        jbe     .fail
        cmp     ecx, (PROC.pdt_0 - PROC.htab)/4
        jae     .fail
 
        mov     edi, [current_process]
        mov     ebp, [edi+PROC.htab+ecx*4]
 
        cmp     [ebp+FILED.magic], 'PIPE'
        jne     .fail
        cmp     [ebp+FILED.handle], ecx
        jne     .fail
        test    [ebp+FILED.mode], F_WRITE
        jz      .fail
 
        mov     ebp, [ebp+FILED.file]
        mov     eax, [ebp]
        jmp     dword [eax+FILEOP_WRITE*4]
.fail:
        mov     [esp+SYSCALL_STACK._eax], -EBADF
        ret

Rev 6927	Rev 6929
1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2	;; ;;	2	;; ;;
3	;; Copyright (C) KolibriOS team 2004-2017. All rights reserved. ;;	3	;; Copyright (C) KolibriOS team 2004-2017. All rights reserved. ;;
4	;; Distributed under terms of the GNU General Public License. ;;	4	;; Distributed under terms of the GNU General Public License. ;;
5	;; ;;	5	;; ;;
6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
7		7
8	$Revision: 6917 $	8	$Revision: 6917 $
9		9
10	ENOENT equ 2	10	ENOENT equ 2
11	EBADF equ 9	11	EBADF equ 9
12	EFAULT equ 14	12	EFAULT equ 14
13	;EINVAL equ 22 11 defined in stack.inc	13	;EINVAL equ 22 11 defined in stack.inc
14	ENFILE equ 23	14	ENFILE equ 23
15	EMFILE equ 24	15	EMFILE equ 24
16	EPIPE equ 32	16	EPIPE equ 32
17		17
18	FILEOP_CLOSE equ 0	18	FILEOP_CLOSE equ 0
19	FILEOP_READ equ 1	19	FILEOP_READ equ 1
20	FILEOP_WRITE equ 2	20	FILEOP_WRITE equ 2
21		21
22		22
23	include "futex.inc"	23	include "futex.inc"
24		24
25	iglobal	25	iglobal
26	align 4	26	align 4
27	sys_futex_call:	27	sys_futex_call:
28	dd sys_futex.destroy ;1	28	dd sys_futex.destroy ;1
29	dd sys_futex.wait ;2	29	dd sys_futex.wait ;2
30	dd sys_futex.wake ;3	30	dd sys_futex.wake ;3
31	dd sys_futex.requeue ;4	31	dd sys_futex.requeue ;4
32	dd sys_futex.cmp_requeue ;5	32	dd sys_futex.cmp_requeue ;5
33	dd sys_futex.wait_bitset ;6	33	dd sys_futex.wait_bitset ;6
34	dd sys_futex.wake_bitset ;7	34	dd sys_futex.wake_bitset ;7
35	endg	35	endg
36		36
37	include "pipe.inc"	37	include "pipe.inc"
38		38
39	iglobal	39	iglobal
40	align 4	40	align 4
41	sys_posix_call:	41	sys_posix_call:
42	dd sys_futex.init ;0 futex_init	42	dd sys_futex.init ;0 futex_init
43	dd sys_futex ;1 futex_destroy	43	dd sys_futex ;1 futex_destroy
44	dd sys_futex ;2 futex_wait	44	dd sys_futex ;2 futex_wait
45	dd sys_futex ;3 futex_wake	45	dd sys_futex ;3 futex_wake
46	dd sys_futex ;4 reserved	46	dd sys_futex ;4 reserved
47	dd sys_futex ;5 reserved	47	dd sys_futex ;5 reserved
48	dd sys_futex ;6 reserved	48	dd sys_futex ;6 reserved
49	dd sys_futex ;7 reserved	49	dd sys_futex ;7 reserved
50	dd sys_posix.fail ;8 sys_open	50	dd sys_posix.fail ;8 sys_open
51	dd sys_posix.fail ;9 sys_close	51	dd sys_posix.fail ;9 sys_close
52	dd sys_read ;10 read()	52	dd sys_read ;10 read()
53	dd sys_write ;11 write()	53	dd sys_write ;11 write()
54	dd sys_posix.fail ;12 sys_dup3	54	dd sys_posix.fail ;12 sys_dup3
55	dd sys_pipe2 ;13	55	dd sys_pipe2 ;13
56	.end:	56	.end:
57	endg	57	endg
58		58
59	align 4	59	align 4
60	sys_posix:	60	sys_posix:
61	cmp ebx, (sys_posix_call.end-sys_posix_call)/4	61	cmp ebx, (sys_posix_call.end-sys_posix_call)/4
62	jae .fail	62	jae .fail
63		63
64	jmp dword [sys_posix_call+ebx*4]	64	jmp dword [sys_posix_call+ebx*4]
65		65
66	.fail:	66	.fail:
67	mov [esp+SYSCALL_STACK._eax], -EBADF	67	mov [esp+SYSCALL_STACK._eax], -EBADF
68	ret	68	ret
69		69
70		70
71	;ssize_t read(int fd, void *buf, size_t count);	71	;ssize_t read(int fd, void *buf, size_t count);
72	; ecx fd	72	; ecx fd
73	; edx buf	73	; edx buf
74	; esi count	74	; esi count
75		75
76	align 4	76	align 4
77	sys_read:	77	sys_read:
78	cmp ecx, STDERR_FILENO	78	cmp ecx, STDERR_FILENO
79	jbe .fail	79	jbe .fail
80	cmp ecx, (PROC.pdt_0 - PROC.htab)/4	80	cmp ecx, (PROC.pdt_0 - PROC.htab)/4
81	jae .fail	81	jae .fail
82		82
83	mov edi, [current_process]	83	mov edi, [current_process]
84	mov ebp, [edi+PROC.htab+ecx*4]	84	mov ebp, [edi+PROC.htab+ecx*4]
85		85
86	cmp [ebp+FILED.magic], 'PIPE'	86	cmp [ebp+FILED.magic], 'PIPE'
87	jne .fail	87	jne .fail
88	cmp [ebp+FILED.handle], ecx	88	cmp [ebp+FILED.handle], ecx
89	jne .fail	89	jne .fail
-		90
-		91	test [ebp+FILED.mode], F_READ
-		92	jz .fail
90		93
91	mov ebp, [ebp+FILED.file]	94	mov ebp, [ebp+FILED.file]
92	mov eax, [ebp]	95	mov eax, [ebp]
93	jmp dword [eax+FILEOP_READ*4]	96	jmp dword [eax+FILEOP_READ*4]
94	.fail:	97	.fail:
95	mov [esp+SYSCALL_STACK._eax], -EBADF	98	mov [esp+SYSCALL_STACK._eax], -EBADF
96	ret	99	ret
97		100
98	;ssize_t write(int fd, const void *buf, size_t count);	101	;ssize_t write(int fd, const void *buf, size_t count);
99	; ecx fd	102	; ecx fd
100	; edx buf	103	; edx buf
101	; esi count	104	; esi count
102		105
103	align 4	106	align 4
104	sys_write:	107	sys_write:
105	cmp ecx, STDERR_FILENO	108	cmp ecx, STDERR_FILENO
106	jbe .fail	109	jbe .fail
107	cmp ecx, (PROC.pdt_0 - PROC.htab)/4	110	cmp ecx, (PROC.pdt_0 - PROC.htab)/4
108	jae .fail	111	jae .fail
109		112
110	mov edi, [current_process]	113	mov edi, [current_process]
111	mov ebp, [edi+PROC.htab+ecx*4]	114	mov ebp, [edi+PROC.htab+ecx*4]
112		115
113	cmp [ebp+FILED.magic], 'PIPE'	116	cmp [ebp+FILED.magic], 'PIPE'
114	jne .fail	117	jne .fail
115	cmp [ebp+FILED.handle], ecx	118	cmp [ebp+FILED.handle], ecx
116	jne .fail	119	jne .fail
-		120	test [ebp+FILED.mode], F_WRITE
-		121	jz .fail
117		122
118	mov ebp, [ebp+FILED.file]	123	mov ebp, [ebp+FILED.file]
119	mov eax, [ebp]	124	mov eax, [ebp]
120	jmp dword [eax+FILEOP_WRITE*4]	125	jmp dword [eax+FILEOP_WRITE*4]
121	.fail:	126	.fail:
122	mov [esp+SYSCALL_STACK._eax], -EBADF	127	mov [esp+SYSCALL_STACK._eax], -EBADF
123	ret	128	ret

Subversion Repositories Kolibri OS

(root)/kernel/trunk/posix/posix.inc – Rev 6927 → 6929