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
659	serge	69
668	serge	70	mov ecx, [edx+256]
659	serge	71	add ecx, 4095
668	serge	72	and ecx, -4096
		73	cmp ecx, eax
659	serge	74	jbe .L10
668	serge	75
		76
659	serge	77	add eax, [edx+260]
668	serge	78	lea edi, [eax+ebx]
		79
659	serge	80
668	serge	81	rep stosb
		82
659	serge	83
668	serge	84	inc dword [esp+36]
		85	add edx, 40
659	serge	86	.L6:
		87	mov esi, [esp+28]
668	serge	88	cmp [esp+36], esi
		89	jne .L7
659	serge	90
		91
668	serge	92	cmp dword [edi+164], 0
		93	je .L13
		94
659	serge	95
668	serge	96	mov edi, ebx
659	serge	97	mov ecx, ebx
		98	sub edi, [eax+52]
668	serge	99	add ecx, [eax+160]
		100
		101
		102	shr edx, 16
		103	mov [esp+20], edx
		104	jmp .L15
		105	.L16:
		106	lea esi, [eax-8]
659	serge	107	xor ebp, ebp
		108	shr esi, 1
668	serge	109	jmp .L17
		110	.L18:
		111	movzx eax, word [ecx+8+ebp*2]
659	serge	112	mov edx, eax
		113	shr eax, 12
		114	and edx, 4095
		115	add edx, [ecx]
		116	cmp ax, 2
		117	je .L21
668	serge	118
659	serge	119
		120	je .L22
668	serge	121
659	serge	122
		123	jne .L19
668	serge	124
659	serge	125
668	serge	126	add [edx+ebx], ax
		127	.L21:
		128	add [edx+ebx], di
		129	.L22:
		130	add [edx+ebx], edi
		131	.L19:
659	serge	132	inc ebp
668	serge	133	.L17:
659	serge	134	cmp ebp, esi
		135	jne .L18
668	serge	136
		137
659	serge	138	.L15:
668	serge	139	mov eax, [ecx+4]
659	serge	140	test eax, eax
		141	jne .L16
668	serge	142	.L13:
		143	mov edx, [esp+32]
		144	cmp dword [edx+132], 0
659	serge	145	je .L24
668	serge	146
659	serge	147
		148	add eax, [edx+128]
		149	lea esi, [eax+20]
		150	.L26:
668	serge	151	cmp dword [esi-16], 0
659	serge	152	jne .L27
668	serge	153
659	serge	154
		155	je .L24
668	serge	156	.L27:
		157	mov ecx, [esi-20]
659	serge	158	mov ebp, ebx
		159	add ebp, [esi-4]
668	serge	160	add ecx, ebx
659	serge	161	mov [esp+40], ecx
668	serge	162	.L29:
		163	mov edi, [esp+40]
		164	mov eax, [edi]
		165	test eax, eax
659	serge	166	je .L30
668	serge	167
659	serge	168
		169	js .L30
668	serge	170
659	serge	171
		172	mov edi, kernel_export
		173	mov [ebp], dword -1
668	serge	174	mov [esp+24], eax
		175	.L33:
		176	push ecx
659	serge	177	push 16
		178	push dword [edi]
		179	push dword [esp+36]
668	serge	180	call strncmp
659	serge	181	pop edx
		182	test eax, eax
		183	jne .L34
668	serge	184	mov eax, [edi+4]
659	serge	185	mov [ebp], eax
		186	jmp .L36
668	serge	187	.L34:
		188	add edi, 8
659	serge	189	cmp dword [edi], 0
		190	jne .L33
668	serge	191	.L36:
		192	add dword [esp+40], 4
		193	add ebp, 4
659	serge	194	jmp .L29
668	serge	195	.L30:
		196	add esi, 20
659	serge	197	jmp .L26
668	serge	198	.L24:
		199	mov eax, [esp+32]
		200	add ebx, [eax+40]
		201	add esp, 44
		202	mov eax, ebx
659	serge	203	pop ebx
		204	pop esi
		205	pop edi
		206	pop ebp
		207	ret 8
668	serge	208

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(root)/kernel/trunk/core/peload.inc – Rev 668