WebSVN – Kolibri OS – Blame – /kernel/branches/kolibri-process/core/peload.inc

Rev	Author	Line No.	Line
4429	Serge	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
		4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		7
		8	$Revision: 4421 $
		9
		10	include 'export.inc'
		11
		12	align 4
		13
		14	proc load_PE stdcall, file_name:dword
		15	locals
		16	image dd ?
		17	entry dd ?
		18	base dd ?
		19	endl
		20
		21	stdcall load_file, [file_name]
		22	test eax, eax
		23	jz .fail
		24
		25	mov [image], eax
		26
		27	mov edx, [eax+60]
		28
		29	stdcall kernel_alloc, [eax+80+edx]
		30	test eax, eax
		31	jz .cleanup
		32
		33	mov [base], eax
		34
		35	stdcall map_PE, eax, [image]
		36
		37	mov [entry], eax
		38	test eax, eax
		39	jnz .cleanup
		40
		41	stdcall kernel_free, [base]
		42	.cleanup:
		43	stdcall kernel_free, [image]
		44	mov eax, [entry]
		45	ret
		46	.fail:
		47	xor eax, eax
		48	ret
		49	endp
		50
		51	DWORD equ dword
		52	PTR equ
		53
		54	align 4
		55	map_PE: ;stdcall base:dword, image:dword
		56	cld
		57	push ebp
		58	push edi
		59	push esi
		60	push ebx
		61	sub esp, 60
		62	mov ebx, DWORD PTR [esp+84]
		63	mov ebp, DWORD PTR [esp+80]
		64	mov edx, ebx
		65	mov esi, ebx
		66	add edx, DWORD PTR [ebx+60]
		67	mov edi, ebp
		68	mov DWORD PTR [esp+32], edx
		69	mov ecx, DWORD PTR [edx+84]
		70
		71	shr ecx, 2
		72	rep movsd
		73
		74	movzx eax, WORD PTR [edx+6]
		75	mov DWORD PTR [esp+36], 0
		76	mov DWORD PTR [esp+16], eax
		77	jmp L2
		78	L3:
		79	mov eax, DWORD PTR [edx+264]
		80	test eax, eax
		81	je L4
		82	mov esi, ebx
		83	mov edi, ebp
		84	add esi, DWORD PTR [edx+268]
		85	mov ecx, eax
		86	add edi, DWORD PTR [edx+260]
		87
		88	add ecx, 3
		89	shr ecx, 2
		90	rep movsd
		91
		92	L4:
		93	mov ecx, DWORD PTR [edx+256]
		94	cmp ecx, eax
		95	jbe L6
		96	sub ecx, eax
		97	add eax, DWORD PTR [edx+260]
		98	lea edi, [eax+ebp]
		99
		100	xor eax, eax
		101	rep stosb
		102
		103	L6:
		104	inc DWORD PTR [esp+36]
		105	add edx, 40
		106	L2:
		107	mov esi, DWORD PTR [esp+16]
		108	cmp DWORD PTR [esp+36], esi
		109	jne L3
		110	mov edi, DWORD PTR [esp+32]
		111	cmp DWORD PTR [edi+164], 0
		112	je L9
		113	pushd [edi+164]
		114	mov esi, ebp
		115	mov ecx, ebp
		116	sub esi, DWORD PTR [edi+52]
		117	add ecx, DWORD PTR [edi+160]
		118	mov eax, esi
		119	shr eax, 16
		120	mov DWORD PTR [esp+16], eax
		121	L12:
		122	mov eax, [ecx+4]
		123	sub [esp], eax
		124	lea ebx, [eax-8]
		125	xor edi, edi
		126	shr ebx, 1
		127	jmp L13
		128	L14:
		129	movzx eax, WORD PTR [ecx+8+edi*2]
		130	mov edx, eax
		131	shr eax, 12
		132	and edx, 4095
		133	add edx, DWORD PTR [ecx]
		134	cmp ax, 2
		135	je L17
		136	cmp ax, 3
		137	je L18
		138	dec ax
		139	jne L15
		140	mov eax, DWORD PTR [esp+16]
		141	add WORD PTR [edx+ebp], ax
		142	L17:
		143	add WORD PTR [edx+ebp], si
		144	L18:
		145	add DWORD PTR [edx+ebp], esi
		146	L15:
		147	inc edi
		148	L13:
		149	cmp edi, ebx
		150	jne L14
		151	add ecx, DWORD PTR [ecx+4]
		152	L11:
		153	cmp dword [esp], 0
		154	jg L12
		155	pop eax
		156	L9:
		157	mov edx, DWORD PTR [esp+32]
		158	cmp DWORD PTR [edx+132], 0
		159	je L20
		160	mov eax, ebp
		161	add eax, DWORD PTR [edx+128]
		162	mov DWORD PTR [esp+40], 0
		163	add eax, 20
		164	mov DWORD PTR [esp+56], eax
		165	L22:
		166	mov ecx, DWORD PTR [esp+56]
		167	cmp DWORD PTR [ecx-16], 0
		168	jne L23
		169	cmp DWORD PTR [ecx-8], 0
		170	je L25
		171	L23:
		172	mov edi, DWORD PTR [__exports+32]
		173	mov esi, DWORD PTR [__exports+28]
		174	mov eax, DWORD PTR [esp+56]
		175	mov DWORD PTR [esp+20], edi
		176	add edi, OS_BASE
		177	add esi, OS_BASE
		178	mov DWORD PTR [esp+44], esi
		179	mov ecx, DWORD PTR [eax-4]
		180	mov DWORD PTR [esp+48], edi
		181	mov edx, DWORD PTR [eax-20]
		182	test edx, edx
		183	jnz @f
		184	mov edx, ecx
		185	@@:
		186	mov DWORD PTR [esp+52], 0
		187	add ecx, ebp
		188	add edx, ebp
		189	mov DWORD PTR [esp+24], edx
		190	mov DWORD PTR [esp+28], ecx
		191	L26:
		192	mov esi, DWORD PTR [esp+52]
		193	mov edi, DWORD PTR [esp+24]
		194	mov eax, DWORD PTR [edi+esi*4]
		195	test eax, eax
		196	je L27
		197	test eax, eax
		198	js L27
		199	lea edi, [ebp+eax]
		200	mov eax, DWORD PTR [esp+28]
		201	mov DWORD PTR [eax+esi*4], 0
		202	lea esi, [edi+2]
		203	push eax
		204	push 32
		205	movzx eax, WORD PTR [edi]
		206	mov edx, DWORD PTR [esp+56]
		207	mov eax, DWORD PTR [edx+eax*4]
		208	add eax, OS_BASE
		209	push eax
		210	push esi
		211	call strncmp
		212	pop ebx
		213	xor ebx, ebx
		214	test eax, eax
		215	jne L32
		216	jmp L30
		217	L33:
		218	push ecx
		219	push 32
		220	mov ecx, DWORD PTR [esp+28]
		221	mov eax, DWORD PTR [ecx+OS_BASE+ebx*4]
		222	add eax, OS_BASE
		223	push eax
		224	push esi
		225	call strncmp
		226	pop edx
		227	test eax, eax
		228	jne L34
		229	mov esi, DWORD PTR [esp+44]
		230	mov edx, DWORD PTR [esp+52]
		231	mov ecx, DWORD PTR [esp+28]
		232	mov eax, DWORD PTR [esi+ebx*4]
		233	add eax, OS_BASE
		234	mov DWORD PTR [ecx+edx*4], eax
		235	jmp L36
		236	L34:
		237	inc ebx
		238	L32:
		239	cmp ebx, DWORD PTR [__exports+24]
		240	jb L33
		241	L36:
		242	cmp ebx, DWORD PTR [__exports+24]
		243	jne L37
		244
		245	mov esi, msg_unresolved
		246	call sys_msg_board_str
		247	lea esi, [edi+2]
		248	call sys_msg_board_str
		249	mov esi, msg_CR
		250	call sys_msg_board_str
		251
		252	mov DWORD PTR [esp+40], 1
		253	jmp L37
		254	L30:
		255	movzx eax, WORD PTR [edi]
		256	mov esi, DWORD PTR [esp+44]
		257	mov edi, DWORD PTR [esp+52]
		258	mov edx, DWORD PTR [esp+28]
		259	mov eax, DWORD PTR [esi+eax*4]
		260	add eax, OS_BASE
		261	mov DWORD PTR [edx+edi*4], eax
		262	L37:
		263	inc DWORD PTR [esp+52]
		264	jmp L26
		265	L27:
		266	add DWORD PTR [esp+56], 20
		267	jmp L22
		268	L25:
		269	xor eax, eax
		270	cmp DWORD PTR [esp+40], 0
		271	jne L40
		272	L20:
		273	mov ecx, DWORD PTR [esp+32]
		274	mov eax, ebp
		275	add eax, DWORD PTR [ecx+40]
		276	L40:
		277	add esp, 60
		278	pop ebx
		279	pop esi
		280	pop edi
		281	pop ebp
		282	ret 8

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