forked from KolibriOS/kolibrios
111 lines
2.0 KiB
NASM
111 lines
2.0 KiB
NASM
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format ELF
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section '.text' executable
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public _msys_read_file
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_msys_read_file:
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;arg1 - file name
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;arg2 - file offset
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;arg3 - size to read
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;arg4 - data
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;arg5 - file size
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push ebp
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mov ebp,esp
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xor eax,eax
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mov [file_struct.operation],eax
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mov eax,[ebp+12]
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mov [file_struct.offset],eax
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mov eax,[ebp+16]
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mov [file_struct.offset],eax
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mov eax,[ebp+20]
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mov [file_struct.offset],eax
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mov [file_struct.temp_buffer],temp_buffer
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mov edx,[ebp+8]
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call copy_file_name
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push ebx
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mov ebx,file_struct
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mov eax,58
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int 0x40
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mov ecx,[ebp+24]
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test ecx,ecx
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jz .no_file_size
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mov [ecx],ebx
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.no_file_size:
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pop ebx
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pop ebp
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ret 20
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copy_file_name:
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push esi edi
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cld
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mov edi,edx
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xor eax,eax
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xor ecx,ecx
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dec ecx
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repnz scasb
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not ecx
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mov edi,file_struct.path
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mov esi,edx
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rep movsb
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pop edi esi
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ret
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public _msys_write_file
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_msys_write_file:
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;arg1 - file name
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;arg2 - size
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;arg3 - data
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push ebp
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mov ebp,esp
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xor eax,eax
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mov [file_struct.offset],eax
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inc eax
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mov [file_struct.operation],eax
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mov eax,[ebp+12]
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mov [file_struct.size],eax
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mov eax,[ebp+16]
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mov [file_struct.data],eax
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mov [file_struct.temp_buffer],temp_buffer
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mov edx,[ebp+8]
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call copy_file_name
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push ebx
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mov eax,58
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mov ebx,file_struct
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int 0x40
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pop ebx
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pop ebp
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ret 12
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public _msys_run_program
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_msys_run_program:
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;arg1 - program name
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;arg2 - parameters
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push ebp
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mov ebp,esp
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mov [file_struct.operation],16
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xor eax,eax
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mov [file_struct.offset],eax
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mov [file_struct.data],eax
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mov eax,[ebp+12]
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mov [file_struct.param],eax
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mov [file_struct.temp_buffer],temp_buffer;
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mov edx,[ebp+8]
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call copy_file_name
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push ebx
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mov eax,58
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mov ebx,file_struct
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int 0x40
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pop ebx
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pop ebp
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ret 8
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section '.bss' writeable
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file_struct:
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.operation rd 1
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.offset rd 1
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.param:
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.size rd 1
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.data rd 1
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.temp_buffer rd 1
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.path rb 1024
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temp_buffer rb 4096
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