mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-22 14:52:39 +03:00
334 lines
8.1 KiB
PHP
334 lines
8.1 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
|
|
;; Distributed under terms of the GNU General Public License ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
;============================================================================
|
|
;
|
|
; External kernel dependencies (libraries) loading
|
|
;
|
|
;============================================================================
|
|
|
|
$Revision: 2455 $
|
|
|
|
if 0
|
|
; The code currently does not work. Kill "if 0/end if" only after correcting
|
|
; to current kernel (dll.inc).
|
|
macro library [name,fname]
|
|
{
|
|
forward
|
|
dd __#name#_library_table__,__#name#_library_name__
|
|
common
|
|
dd 0
|
|
forward
|
|
__#name#_library_name__ db fname,0
|
|
}
|
|
|
|
macro import lname,[name,sname]
|
|
{
|
|
common
|
|
align 4
|
|
__#lname#_library_table__:
|
|
forward
|
|
name dd __#name#_import_name__
|
|
common
|
|
dd 0
|
|
forward
|
|
__#name#_import_name__ db sname,0
|
|
}
|
|
|
|
macro export [name,sname]
|
|
{
|
|
align 4
|
|
forward
|
|
dd __#name#_export_name__,name
|
|
common
|
|
dd 0
|
|
forward
|
|
__#name#_export_name__ db sname,0
|
|
}
|
|
|
|
|
|
|
|
align 4 ; loading library (use kernel functions)
|
|
proc load_k_library stdcall, file_name:dword
|
|
locals
|
|
coff dd ?
|
|
sym dd ?
|
|
strings dd ?
|
|
img_size dd ?
|
|
img_base dd ?
|
|
exports dd ?
|
|
endl
|
|
|
|
cli
|
|
|
|
stdcall load_file, [file_name]
|
|
test eax, eax
|
|
jz .fail
|
|
|
|
mov [coff], eax
|
|
movzx ecx, [eax+CFH.nSections]
|
|
xor ebx, ebx
|
|
|
|
lea edx, [eax+20]
|
|
@@:
|
|
add ebx, [edx+CFS.SizeOfRawData]
|
|
add ebx, 15
|
|
and ebx, not 15
|
|
add edx, COFF_SECTION_SIZE
|
|
dec ecx
|
|
jnz @B
|
|
mov [img_size], ebx
|
|
|
|
stdcall kernel_alloc, [img_size]
|
|
|
|
test eax, eax
|
|
jz .fail
|
|
mov [img_base], eax
|
|
|
|
mov edx, [coff]
|
|
movzx ebx, [edx+CFH.nSections]
|
|
mov edi, [img_base]
|
|
lea eax, [edx+20]
|
|
@@:
|
|
mov [eax+CFS.VirtualAddress], edi
|
|
mov esi, [eax+CFS.PtrRawData]
|
|
test esi, esi
|
|
jnz .copy
|
|
add edi, [eax+CFS.SizeOfRawData]
|
|
jmp .next
|
|
.copy:
|
|
add esi, edx
|
|
mov ecx, [eax+CFS.SizeOfRawData]
|
|
cld
|
|
rep movsb
|
|
.next:
|
|
add edi, 15
|
|
and edi, not 15
|
|
add eax, COFF_SECTION_SIZE
|
|
dec ebx
|
|
jnz @B
|
|
|
|
mov ebx, [edx+CFH.pSymTable]
|
|
add ebx, edx
|
|
mov [sym], ebx
|
|
mov ecx, [edx+CFH.nSymbols]
|
|
add ecx, ecx
|
|
lea ecx, [ecx+ecx*8];ecx*=18 = nSymbols*CSYM_SIZE
|
|
add ecx, [sym]
|
|
mov [strings], ecx
|
|
|
|
lea eax, [edx+20]
|
|
|
|
stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols], \
|
|
[strings], dword 0
|
|
test eax, eax
|
|
jnz @F
|
|
|
|
@@:
|
|
mov edx, [coff]
|
|
movzx ebx, [edx+CFH.nSections]
|
|
mov edi, 0
|
|
lea eax, [edx+20]
|
|
@@:
|
|
add [eax+CFS.VirtualAddress], edi ;patch user space offset
|
|
add eax, COFF_SECTION_SIZE
|
|
dec ebx
|
|
jnz @B
|
|
|
|
add edx, 20
|
|
stdcall fix_coff_relocs, [coff], edx, [sym]
|
|
|
|
mov ebx, [coff]
|
|
stdcall get_coff_sym, [sym], [ebx+CFH.nSymbols], szEXPORTS
|
|
mov [exports], eax
|
|
|
|
stdcall kernel_free, [coff]
|
|
|
|
mov eax, [exports]
|
|
ret
|
|
.fail:
|
|
xor eax, eax
|
|
ret
|
|
endp
|
|
|
|
|
|
proc dll.Load, import_table:dword
|
|
mov esi, [import_table]
|
|
.next_lib:
|
|
mov edx, [esi]
|
|
or edx, edx
|
|
jz .exit
|
|
push esi
|
|
|
|
mov edi, s_libname
|
|
|
|
mov al, '/'
|
|
stosb
|
|
mov esi, sysdir_path
|
|
@@:
|
|
lodsb
|
|
stosb
|
|
or al, al
|
|
jnz @b
|
|
dec edi
|
|
mov [edi], dword '/lib'
|
|
mov [edi+4], byte '/'
|
|
add edi, 5
|
|
pop esi
|
|
push esi
|
|
mov esi, [esi+4]
|
|
@@:
|
|
lodsb
|
|
stosb
|
|
or al, al
|
|
jnz @b
|
|
|
|
pushad
|
|
stdcall load_k_library, s_libname
|
|
mov [esp+28], eax
|
|
popad
|
|
or eax, eax
|
|
jz .fail
|
|
stdcall dll.Link, eax, edx
|
|
stdcall dll.Init, [eax+4]
|
|
pop esi
|
|
add esi, 8
|
|
jmp .next_lib
|
|
.exit:
|
|
xor eax, eax
|
|
ret
|
|
.fail:
|
|
add esp, 4
|
|
xor eax, eax
|
|
inc eax
|
|
ret
|
|
endp
|
|
|
|
proc dll.Link, exp:dword,imp:dword
|
|
push eax
|
|
mov esi, [imp]
|
|
test esi, esi
|
|
jz .done
|
|
.next:
|
|
lodsd
|
|
test eax, eax
|
|
jz .done
|
|
stdcall dll.GetProcAddress, [exp], eax
|
|
or eax, eax
|
|
jz @f
|
|
mov [esi-4], eax
|
|
jmp .next
|
|
@@:
|
|
mov dword[esp], 0
|
|
.done:
|
|
pop eax
|
|
ret
|
|
endp
|
|
|
|
proc dll.Init, dllentry:dword
|
|
pushad
|
|
mov eax, mem.Alloc
|
|
mov ebx, mem.Free
|
|
mov ecx, mem.ReAlloc
|
|
mov edx, dll.Load
|
|
stdcall [dllentry]
|
|
popad
|
|
ret
|
|
endp
|
|
|
|
proc dll.GetProcAddress, exp:dword,sz_name:dword
|
|
mov edx, [exp]
|
|
.next:
|
|
test edx, edx
|
|
jz .end
|
|
stdcall strncmp, [edx], [sz_name], dword -1
|
|
test eax, eax
|
|
jz .ok
|
|
add edx, 8
|
|
jmp .next
|
|
.ok:
|
|
mov eax, [edx+4]
|
|
.end:
|
|
ret
|
|
endp
|
|
|
|
;-----------------------------------------------------------------------------
|
|
proc mem.Alloc size ;/////////////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
push ebx ecx
|
|
; mov eax,[size]
|
|
; lea ecx,[eax+4+4095]
|
|
; and ecx,not 4095
|
|
; stdcall kernel_alloc, ecx
|
|
; add ecx,-4
|
|
; mov [eax],ecx
|
|
; add eax,4
|
|
|
|
stdcall kernel_alloc, [size]
|
|
|
|
pop ecx ebx
|
|
ret
|
|
endp
|
|
|
|
;-----------------------------------------------------------------------------
|
|
proc mem.ReAlloc mptr,size;///////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
push ebx ecx esi edi eax
|
|
mov eax, [mptr]
|
|
mov ebx, [size]
|
|
or eax, eax
|
|
jz @f
|
|
lea ecx, [ebx+4+4095]
|
|
and ecx, not 4095
|
|
add ecx, -4
|
|
cmp ecx, [eax-4]
|
|
je .exit
|
|
@@:
|
|
mov eax, ebx
|
|
call mem.Alloc
|
|
xchg eax, [esp]
|
|
or eax, eax
|
|
jz .exit
|
|
mov esi, eax
|
|
xchg eax, [esp]
|
|
mov edi, eax
|
|
mov ecx, [esi-4]
|
|
cmp ecx, [edi-4]
|
|
jbe @f
|
|
mov ecx, [edi-4]
|
|
@@:
|
|
add ecx, 3
|
|
shr ecx, 2
|
|
cld
|
|
rep movsd
|
|
xchg eax, [esp]
|
|
call mem.Free
|
|
.exit:
|
|
pop eax edi esi ecx ebx
|
|
ret
|
|
endp
|
|
|
|
;-----------------------------------------------------------------------------
|
|
proc mem.Free mptr ;//////////////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
; mov eax,[mptr]
|
|
; or eax,eax
|
|
; jz @f
|
|
; push ebx ecx
|
|
; lea ecx,[eax-4]
|
|
; stdcall kernel_free, ecx
|
|
; pop ecx ebx
|
|
; @@: ret
|
|
stdcall kernel_free, [mptr]
|
|
ret
|
|
endp
|
|
|
|
uglobal
|
|
s_libname db 64 dup (0)
|
|
endg
|
|
end if
|