WebSVN – Kolibri OS – Blame – /kernel/trunk/core/peload.inc

Rev	Author	Line No.	Line
659	serge	1
		2
		3
		4	locals
		5	image dd ?
		6	endl
		7
		8
		9	test eax, eax
		10	jz .fail
		11
		12
		13
		14
		15
		16
		17	test eax, eax
		18	jz .cleanup
		19
		20
		21	ret
		22	.cleanup:
		23	stdcall kernel_free,[image]
		24	.fail:
		25	xor eax, eax
		26	ret
		27	endp
		28
		29
		30
		31	map_PE: ;stdcall base:dword, image:dword
662	serge	32	cld
659	serge	33	push ebp
		34	push edi
		35	push esi
		36	push ebx
		37	sub esp, 44
668	serge	38
659	serge	39
668	serge	40	mov ebx, [esp+64]
		41	mov edx, ebp
		42	mov esi, ebp
		43	add edx, [ebp+60]
		44	mov edi, ebx
		45	mov [esp+32], edx
		46
		47
		48	shr ecx, 2
		49	rep movsd
		50
		51
659	serge	52	mov dword [esp+36], 0
668	serge	53	mov [esp+28], eax
		54	jmp .L6
659	serge	55	.L7:
		56	mov eax, [edx+264]
		57	test eax, eax
668	serge	58	je .L8
		59
		60
		61	mov edi, ebx
		62	add esi, [edx+268]
659	serge	63	mov ecx, eax
		64	add edi, [edx+260]
668	serge	65
659	serge	66
668	serge	67	rep movsd
		68	.L8:
		69	mov ecx, [edx+256]
659	serge	70	add ecx, 4095
668	serge	71	and ecx, -4096
		72	cmp ecx, eax
659	serge	73	jbe .L10
668	serge	74
		75
659	serge	76	add eax, [edx+260]
668	serge	77	lea edi, [eax+ebx]
		78
659	serge	79
668	serge	80	rep stosb
		81	.L10:
		82	inc dword [esp+36]
		83	add edx, 40
659	serge	84	.L6:
		85	mov esi, [esp+28]
668	serge	86	cmp [esp+36], esi
		87	jne .L7
659	serge	88
		89
668	serge	90	cmp dword [edi+164], 0
		91	je .L13
		92
659	serge	93
668	serge	94	mov edi, ebx
659	serge	95	mov ecx, ebx
		96	sub edi, [eax+52]
668	serge	97	add ecx, [eax+160]
		98
		99
		100	shr edx, 16
		101	mov [esp+20], edx
		102	jmp .L15
		103	.L16:
		104	lea esi, [eax-8]
659	serge	105	xor ebp, ebp
		106	shr esi, 1
668	serge	107	jmp .L17
		108	.L18:
		109	movzx eax, word [ecx+8+ebp*2]
659	serge	110	mov edx, eax
		111	shr eax, 12
		112	and edx, 4095
		113	add edx, [ecx]
		114	cmp ax, 2
		115	je .L21
668	serge	116
659	serge	117
		118	je .L22
668	serge	119
659	serge	120
		121	jne .L19
668	serge	122
659	serge	123
668	serge	124	add [edx+ebx], ax
		125	.L21:
		126	add [edx+ebx], di
		127	.L22:
		128	add [edx+ebx], edi
		129	.L19:
659	serge	130	inc ebp
668	serge	131	.L17:
659	serge	132	cmp ebp, esi
		133	jne .L18
668	serge	134
		135
659	serge	136	.L15:
668	serge	137	mov eax, [ecx+4]
659	serge	138	test eax, eax
		139	jne .L16
668	serge	140	.L13:
		141	mov edx, [esp+32]
		142	cmp dword [edx+132], 0
659	serge	143	je .L24
668	serge	144
659	serge	145
		146	add eax, [edx+128]
		147	lea esi, [eax+20]
		148	.L26:
668	serge	149	cmp dword [esi-16], 0
659	serge	150	jne .L27
668	serge	151
659	serge	152
		153	je .L24
668	serge	154	.L27:
		155	mov ecx, [esi-20]
659	serge	156	mov ebp, ebx
		157	add ebp, [esi-4]
668	serge	158	add ecx, ebx
659	serge	159	mov [esp+40], ecx
668	serge	160	.L29:
		161	mov edi, [esp+40]
		162	mov eax, [edi]
		163	test eax, eax
659	serge	164	je .L30
668	serge	165
659	serge	166
		167	js .L30
668	serge	168
659	serge	169
		170	mov edi, kernel_export
		171	mov [ebp], dword -1
668	serge	172	mov [esp+24], eax
		173	.L33:
		174	push ecx
659	serge	175	push 16
		176	push dword [edi]
		177	push dword [esp+36]
668	serge	178	call strncmp
659	serge	179	pop edx
		180	test eax, eax
		181	jne .L34
668	serge	182	mov eax, [edi+4]
659	serge	183	mov [ebp], eax
		184	jmp .L36
668	serge	185	.L34:
		186	add edi, 8
659	serge	187	cmp dword [edi], 0
		188	jne .L33
668	serge	189	.L36:
		190	add dword [esp+40], 4
		191	add ebp, 4
659	serge	192	jmp .L29
668	serge	193	.L30:
		194	add esi, 20
659	serge	195	jmp .L26
668	serge	196	.L24:
		197	mov eax, [esp+32]
		198	add ebx, [eax+40]
		199	add esp, 44
		200	mov eax, ebx
659	serge	201	pop ebx
		202	pop esi
		203	pop edi
		204	pop ebp
		205	ret 8
668	serge	206

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(root)/kernel/trunk/core/peload.inc – Rev 673