Updated dll.load. Added support for loading the library using the full path.
Fixed makefile for Whether git-svn-id: svn://kolibrios.org@9908 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Doczom
parent
3ade12b666
commit
77a4688f6d
@ -20,72 +20,80 @@ ERROR_ENTRY_NOT_FOUND = 0x101
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; return 0 if all fine or error code LIBRARY_NOT_LOAD or ENTRY_NOT_FOUND
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; dirties all registers! eax, ebx, ecx, edx, esi, edi
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proc dll.Load, import_table:dword
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mov esi, [import_table]
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mov esi, [import_table]
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.next_lib:
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mov edx, [esi]
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or edx, edx
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jz .exit
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push esi
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mov esi, [esi + 4]
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mov edi, s_libdir.fname
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mov edx, [esi]
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or edx, edx
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jz .exit
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push esi
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mov esi, [esi + 4]
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mov edi, esi
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cmp byte[esi], '/'
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jz .load_lib
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mov edi, s_libdir.fname
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@@:
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lodsb
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stosb
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or al, al
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jnz @b
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mcall 68, 19, s_libdir
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or eax, eax
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jz .fail_load
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push eax
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stdcall dll.Link, eax, edx
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test eax, eax
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jnz .fail_link
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;push eax
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mov eax, [esp]
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mov eax, [eax]
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cmp dword[eax], 'lib_'
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pop eax
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jnz @f
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stdcall dll.Init, [eax + 4]
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lodsb
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stosb
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or al, al
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jnz @b
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mov edi, s_libdir
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.load_lib:
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mcall 68, 19, edi ;s_libdir
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or eax, eax
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jz .fail_load
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push eax
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stdcall dll.Link, eax, edx
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test eax, eax
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jnz .fail_link
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;push eax
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mov eax, [esp]
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mov eax, [eax]
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cmp dword[eax], 'lib_'
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pop eax
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jnz @f
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stdcall dll.Init, [eax + 4]
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@@:
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pop esi
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add esi, 8
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jmp .next_lib
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pop esi
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add esi, 8
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jmp .next_lib
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.exit:
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xor eax, eax
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ret
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xor eax, eax
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ret
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.fail_load:
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add esp, 4
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;xor eax, eax
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;inc eax
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add esp, 4
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;xor eax, eax
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;inc eax
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mov eax, ERROR_LIBRARY_NOT_LOAD
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ret
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.fail_link:
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add esp, 4
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ret
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add esp, 4
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ret
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endp
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;-----------------------------------------------------------------------------
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; scans dll export table for a functions we want to import
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; break scan on first unresolved import
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; return value: 0 - success or ENTRY_NOT_FOUND
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proc dll.Link, exp:dword, imp:dword
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;push eax
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mov esi, [imp]
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;push eax
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mov esi, [imp]
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; Import table alreary checked in APP_STARTUP_THUNK
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;test esi, esi
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;jz .fail1;.done
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;test esi, esi
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;jz .fail1;.done
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.next:
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lodsd
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test eax, eax
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jz .done
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lodsd
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test eax, eax
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jz .done
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mov ebx, eax
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stdcall dll.GetProcAddress, [exp], eax
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or eax, eax
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jz .fail ;.done
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mov [esi - 4], eax
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jmp .next
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stdcall dll.GetProcAddress, [exp], eax
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or eax, eax
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jz .fail ;.done
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mov [esi - 4], eax
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jmp .next
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; @@:
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;mov dword[esp], 0
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;mov dword[esp], 0
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;.fail1:
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; No imports
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;mov eax, BAD_IMAGE
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@ -94,67 +102,67 @@ proc dll.Link, exp:dword, imp:dword
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mov [szEntryName],ebx
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mov eax, ERROR_ENTRY_NOT_FOUND
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.done:
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;pop eax
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ret
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;pop eax
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ret
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endp
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;-----------------------------------------------------------------------------
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; calls lib_init with predefined parameters
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; no return value
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proc dll.Init, dllentry:dword
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pushad
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mov eax, mem.Alloc
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mov ebx, mem.Free
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mov ecx, mem.ReAlloc
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mov edx, dll.Load
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stdcall [dllentry]
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popad
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ret
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pushad
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mov eax, mem.Alloc
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mov ebx, mem.Free
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mov ecx, mem.ReAlloc
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mov edx, dll.Load
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stdcall [dllentry]
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popad
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ret
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endp
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;-----------------------------------------------------------------------------
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; scans export table for a sz_name function
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; returns in eax function address or 0 if not found
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proc dll.GetProcAddress, exp:dword, sz_name:dword
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mov edx, [exp]
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xor eax, eax
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mov edx, [exp]
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xor eax, eax
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.next:
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or edx, edx
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jz .end
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cmp dword[edx], 0
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jz .end
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stdcall strcmp, [edx], [sz_name]
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test eax, eax
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jz .ok
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add edx, 8
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jmp .next
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or edx, edx
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jz .end
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cmp dword[edx], 0
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jz .end
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stdcall strcmp, [edx], [sz_name]
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test eax, eax
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jz .ok
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add edx, 8
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jmp .next
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.ok:
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mov eax, [edx + 4]
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mov eax, [edx + 4]
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.end:
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cmp eax, -1
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jnz @f
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xor eax, eax
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cmp eax, -1
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jnz @f
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xor eax, eax
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@@:
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ret
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ret
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endp
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;-----------------------------------------------------------------------------
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; compares strings
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; returns eax = 0 if equal, -1 otherwise
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proc strcmp, str1:dword, str2:dword
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push esi edi
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mov esi, [str1]
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mov edi, [str2]
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xor eax, eax
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push esi edi
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mov esi, [str1]
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mov edi, [str2]
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xor eax, eax
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@@:
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lodsb
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scasb
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jne .fail
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or al, al
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jnz @b
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jmp .ok
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lodsb
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scasb
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jne .fail
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or al, al
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jnz @b
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jmp .ok
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.fail:
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or eax, -1
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or eax, -1
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.ok:
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pop edi esi
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ret
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pop edi esi
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ret
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endp
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;-----------------------------------------------------------------------------
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@ -166,27 +174,27 @@ szEntryName dd 0
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;-----------------------------------------------------------------------------
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proc mem.Alloc, size
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push ebx ecx
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mov ecx, [size]
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mcall 68, 12
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pop ecx ebx
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ret
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push ebx ecx
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mov ecx, [size]
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mcall 68, 12
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pop ecx ebx
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ret
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endp
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;-----------------------------------------------------------------------------
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proc mem.ReAlloc, mptr, size
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push ebx ecx edx
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mov ecx, [size]
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mov edx, [mptr]
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mcall 68, 20
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pop edx ecx ebx
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ret
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push ebx ecx edx
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mov ecx, [size]
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mov edx, [mptr]
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mcall 68, 20
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pop edx ecx ebx
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ret
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endp
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;-----------------------------------------------------------------------------
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proc mem.Free, mptr
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push ebx ecx
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mov ecx,[mptr]
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mcall 68, 13
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pop ecx ebx
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ret
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push ebx ecx
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mov ecx,[mptr]
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mcall 68, 13
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pop ecx ebx
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ret
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endp
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;-----------------------------------------------------------------------------
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324
programs/dll.inc
324
programs/dll.inc
@ -1,158 +1,166 @@
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;-----------------------------------------------------------------------------
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; load one or more DLL file in COFF format and try to import functions by our list
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; if first function in import list begins with 'lib_', call it as DLL initialization
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; return eax = 1 as fail, if anyone of .obj file not found in /sys/lib
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; return 0 if all fine, but 0 not garantees in succesfull import - see dll.Link comment
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; dirties all registers! eax, ebx, ecx, edx, esi, edi
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proc dll.Load, import_table:dword
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mov esi, [import_table]
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.next_lib:
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mov edx, [esi]
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or edx, edx
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jz .exit
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push esi
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mov esi, [esi + 4]
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mov edi, s_libdir.fname
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@@:
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lodsb
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stosb
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or al, al
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jnz @b
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mcall 68, 19, s_libdir
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or eax, eax
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jz .fail
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stdcall dll.Link, eax, edx
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push eax
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mov eax, [eax]
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cmp dword[eax], 'lib_'
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pop eax
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jnz @f
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stdcall dll.Init, [eax + 4]
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@@:
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pop esi
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add esi, 8
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jmp .next_lib
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.exit:
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xor eax, eax
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ret
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.fail:
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add esp, 4
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xor eax, eax
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inc eax
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ret
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endp
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;-----------------------------------------------------------------------------
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; scans dll export table for a functions we want to import
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; break scan on first unresolved import
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; no return value
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proc dll.Link, exp:dword, imp:dword
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push eax
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mov esi, [imp]
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test esi, esi
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jz .done
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.next:
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lodsd
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test eax, eax
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jz .done
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stdcall dll.GetProcAddress, [exp], eax
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or eax, eax
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jz @f
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mov [esi - 4], eax
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jmp .next
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@@:
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mov dword[esp], 0
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.done:
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pop eax
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ret
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endp
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;-----------------------------------------------------------------------------
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; calls lib_init with predefined parameters
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; no return value
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proc dll.Init, dllentry:dword
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pushad
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mov eax, mem.Alloc
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mov ebx, mem.Free
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mov ecx, mem.ReAlloc
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mov edx, dll.Load
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stdcall [dllentry]
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popad
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ret
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endp
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;-----------------------------------------------------------------------------
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; scans export table for a sz_name function
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; returns in eax function address or 0 if not found
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proc dll.GetProcAddress, exp:dword, sz_name:dword
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mov edx, [exp]
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xor eax, eax
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.next:
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or edx, edx
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jz .end
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cmp dword[edx], 0
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jz .end
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stdcall strcmp, [edx], [sz_name]
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test eax, eax
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jz .ok
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add edx, 8
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jmp .next
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.ok:
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mov eax, [edx + 4]
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.end:
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cmp eax, -1
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jnz @f
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xor eax, eax
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@@:
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ret
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endp
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;-----------------------------------------------------------------------------
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; compares strings
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; returns eax = 0 if equal, -1 otherwise
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proc strcmp, str1:dword, str2:dword
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push esi edi
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mov esi, [str1]
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mov edi, [str2]
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xor eax, eax
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@@:
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lodsb
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scasb
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jne .fail
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or al, al
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jnz @b
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jmp .ok
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.fail:
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or eax, -1
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.ok:
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pop edi esi
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ret
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endp
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;-----------------------------------------------------------------------------
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if defined dll.Load
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s_libdir:
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db '/sys/lib/'
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.fname rb 32
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end if
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;-----------------------------------------------------------------------------
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proc mem.Alloc, size
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push ebx ecx
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mov ecx, [size]
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mcall 68, 12
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pop ecx ebx
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ret
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endp
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;-----------------------------------------------------------------------------
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proc mem.ReAlloc, mptr, size
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push ebx ecx edx
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mov ecx, [size]
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mov edx, [mptr]
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mcall 68, 20
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pop edx ecx ebx
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ret
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endp
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;-----------------------------------------------------------------------------
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proc mem.Free, mptr
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push ebx ecx
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mov ecx,[mptr]
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mcall 68, 13
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pop ecx ebx
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ret
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endp
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;-----------------------------------------------------------------------------
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;-----------------------------------------------------------------------------
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; load one or more DLL file in COFF format and try to import functions by our list
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; if first function in import list begins with 'lib_', call it as DLL initialization
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; return eax = 1 as fail, if anyone of .obj file not found in /sys/lib
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; return 0 if all fine, but 0 not garantees in succesfull import - see dll.Link comment
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; dirties all registers! eax, ebx, ecx, edx, esi, edi
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proc dll.Load, import_table:dword
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mov esi, [import_table]
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.next_lib:
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mov edx, [esi]
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or edx, edx
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jz .exit
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push esi
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mov esi, [esi + 4]
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mov edi, esi
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cmp byte[esi], '/'
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jz .load_lib
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mov edi, s_libdir.fname
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@@:
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lodsb
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stosb
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or al, al
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jnz @b
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mov edi, s_libdir
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.load_lib:
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mcall 68, 19, edi ;s_libdir
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or eax, eax
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jz .fail
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stdcall dll.Link, eax, edx
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push eax
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mov eax, [eax]
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cmp dword[eax], 'lib_'
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pop eax
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jnz @f
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stdcall dll.Init, [eax + 4]
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@@:
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pop esi
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add esi, 8
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jmp .next_lib
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.exit:
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xor eax, eax
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ret
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.fail:
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add esp, 4
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xor eax, eax
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inc eax
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ret
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endp
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;-----------------------------------------------------------------------------
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; scans dll export table for a functions we want to import
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; break scan on first unresolved import
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; no return value
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proc dll.Link, exp:dword, imp:dword
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push eax
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mov esi, [imp]
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test esi, esi
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jz .done
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.next:
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lodsd
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test eax, eax
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jz .done
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stdcall dll.GetProcAddress, [exp], eax
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or eax, eax
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jz @f
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mov [esi - 4], eax
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jmp .next
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@@:
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mov dword[esp], 0
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.done:
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pop eax
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ret
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endp
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;-----------------------------------------------------------------------------
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; calls lib_init with predefined parameters
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; no return value
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proc dll.Init, dllentry:dword
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pushad
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mov eax, mem.Alloc
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mov ebx, mem.Free
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mov ecx, mem.ReAlloc
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mov edx, dll.Load
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stdcall [dllentry]
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popad
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ret
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endp
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;-----------------------------------------------------------------------------
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; scans export table for a sz_name function
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; returns in eax function address or 0 if not found
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proc dll.GetProcAddress, exp:dword, sz_name:dword
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mov edx, [exp]
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xor eax, eax
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.next:
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or edx, edx
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jz .end
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cmp dword[edx], 0
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jz .end
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stdcall strcmp, [edx], [sz_name]
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test eax, eax
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jz .ok
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add edx, 8
|
||||
jmp .next
|
||||
.ok:
|
||||
mov eax, [edx + 4]
|
||||
.end:
|
||||
cmp eax, -1
|
||||
jnz @f
|
||||
xor eax, eax
|
||||
@@:
|
||||
ret
|
||||
endp
|
||||
;-----------------------------------------------------------------------------
|
||||
; compares strings
|
||||
; returns eax = 0 if equal, -1 otherwise
|
||||
proc strcmp, str1:dword, str2:dword
|
||||
push esi edi
|
||||
mov esi, [str1]
|
||||
mov edi, [str2]
|
||||
xor eax, eax
|
||||
@@:
|
||||
lodsb
|
||||
scasb
|
||||
jne .fail
|
||||
or al, al
|
||||
jnz @b
|
||||
jmp .ok
|
||||
.fail:
|
||||
or eax, -1
|
||||
.ok:
|
||||
pop edi esi
|
||||
ret
|
||||
endp
|
||||
;-----------------------------------------------------------------------------
|
||||
if defined dll.Load
|
||||
s_libdir:
|
||||
db '/sys/lib/'
|
||||
.fname rb 32
|
||||
end if
|
||||
;-----------------------------------------------------------------------------
|
||||
proc mem.Alloc, size
|
||||
push ebx ecx
|
||||
mov ecx, [size]
|
||||
mcall 68, 12
|
||||
pop ecx ebx
|
||||
ret
|
||||
endp
|
||||
;-----------------------------------------------------------------------------
|
||||
proc mem.ReAlloc, mptr, size
|
||||
push ebx ecx edx
|
||||
mov ecx, [size]
|
||||
mov edx, [mptr]
|
||||
mcall 68, 20
|
||||
pop edx ecx ebx
|
||||
ret
|
||||
endp
|
||||
;-----------------------------------------------------------------------------
|
||||
proc mem.Free, mptr
|
||||
push ebx ecx
|
||||
mov ecx,[mptr]
|
||||
mcall 68, 13
|
||||
pop ecx ebx
|
||||
ret
|
||||
endp
|
||||
;-----------------------------------------------------------------------------
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
KTCC_DIR = ../../develop/ktcc/trunk
|
||||
KLIBC = ../../develop/libraries/kolibri-libc
|
||||
KLIBC = ../../develop/ktcc/trunk/libc.obj
|
||||
|
||||
NAME = weather
|
||||
|
||||
@ -7,8 +7,8 @@ KTCC=$(KTCC_DIR)/bin/kos32-tcc
|
||||
KPACK = kpack
|
||||
|
||||
SRC= weather.c json/json.c
|
||||
FLAGS= -nostdlib $(KLIBC)/lib/crt0.o -I $(KLIBC)/include -I $(KTCC_DIR)/libc/include -L$(KLIBC)/lib
|
||||
LIBS =-ltcc -limg -lhttp -lc.obj
|
||||
FLAGS= -B$(KTCC_DIR)/bin -I $(KLIBC)/include
|
||||
LIBS = -limg -lhttp
|
||||
|
||||
all:
|
||||
$(KTCC) $(FLAGS) $(SRC) $(LIBS) -o $(NAME)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user