! 1 ! 1 # 1 "implementation/lsfs.c" ! 1 # 1 "implementation/../std_singos/stdio.h" ! 1 void print(string); !BCC_EOS ! 2 void* dump_ax_return(input); !BCC_EOS ! 3 ! 4 void print(string) ! 5 char* string; export _print _print: !BCC_EOS ! 6 { ! 7 #asm !BCC_ASM _print.string set 2 push bp mov bp,sp mov si,4[bp] call 0x0000:0x7C47 pop bp ! 13 endasm !BCC_ENDASM ! 14 } ret ! 15 ! 16 void print_stack(argument) ! 17 { export _print_stack _print_stack: ! 18 #asm !BCC_ASM _print_stack.argument set 2 push bp mov bp,sp push ds push ax mov ax, ss mov ds, ax mov si,4[bp] call 0x0000:0x7C47 pop ax pop ds pop bp ! 32 endasm !BCC_ENDASM ! 33 } ret ! 34 ! 35 void* dump_ax_return(input) ! 36 void* input; export _dump_ax_return _dump_ax_return: !BCC_EOS ! 37 { ! 38 return input; push bp mov bp,sp push di push si mov ax,4[bp] pop si pop di pop bp ret !BCC_EOS ! 39 } ! 40 ! 41 void dump_ax(input) ! 42 void* input; export _dump_ax _dump_ax: !BCC_EOS ! 43 { ! 44 dump_ax_return(input) push bp mov bp,sp push di push si ! 45 #asm ! Debug: list * void input = [S+6+2] (used reg = ) push 4[bp] ! Debug: func () * void = dump_ax_return+0 (used reg = ) call _dump_ax_return inc sp inc sp !BCC_EOS !BCC_ASM _dump_ax.input set 8 .dump_ax.input set 4 push bp mov bp,sp call 0x000:0x7C2A pop bp ! 50 endasm !BCC_ENDASM !BCC_EOS ! 51 } pop si pop di pop bp ret ! 52 ! 53 void print_newline() ! 54 { export _print_newline _print_newline: ! 55 #asm !BCC_ASM printCRLF: mov ah, #0xE mov al, #13 int #0x10 mov al, #10 int #0x10 ret ! 63 endasm !BCC_ENDASM ! 64 } ret ! 65 # 1 "implementation/../std_singos/stdlib.h" ! 1 unsigned int global_heap_start = 0; .data export _global_heap_start _global_heap_start: .word 0 !BCC_EOS ! 2 unsigned int global_heap_end = 0; export _global_heap_end _global_heap_end: .word 0 !BCC_EOS ! 3 unsigned int global_heap_next = 0; export _global_heap_next _global_heap_next: .word 0 !BCC_EOS ! 4 ! 5 void* malloc(num_bytes); !BCC_EOS ! 6 void* calloc(number_elements, size); !BCC_EOS ! 7 int set_heap_settings(param_start, param_end); !BCC_EOS ! 8 unsigned int get_heap_next(); !BCC_EOS ! 9 ! 10 void* malloc(num_bytes) ! 11 int num_bytes; .text export _malloc _malloc: !BCC_EOS ! 12 { ! 13 unsigned int allocated_pointer = global_heap_next; push bp mov bp,sp push di push si dec sp dec sp ! Debug: eq unsigned int = [global_heap_next+0] to unsigned int allocated_pointer = [S+8-8] (used reg = ) mov ax,[_global_heap_next] mov -6[bp],ax !BCC_EOS ! 14 global_heap_next = global_heap_next + num_bytes; ! Debug: add int num_bytes = [S+8+2] to unsigned int = [global_heap_next+0] (used reg = ) mov ax,[_global_heap_next] add ax,4[bp] ! Debug: eq unsigned int = ax+0 to unsigned int = [global_heap_next+0] (used reg = ) mov [_global_heap_next],ax !BCC_EOS ! 15 if (global_heap_next > global_heap_end) ! Debug: gt unsigned int = [global_heap_end+0] to unsigned int = [global_heap_next+0] (used reg = ) mov ax,[_global_heap_next] cmp ax,[_global_heap_end] jbe .1 .2: ! 16 { ! 17 return 0; xor ax,ax inc sp inc sp pop si pop di pop bp ret !BCC_EOS ! 18 } ! 19 ! 20 return allocated_pointer; .1: mov ax,-6[bp] inc sp inc sp pop si pop di pop bp ret !BCC_EOS ! 21 } ! 22 ! 23 void* calloc(number_elements, size) ! 24 unsigned int number_elements; export _calloc _calloc: !BCC_EOS ! 25 unsigned int size; !BCC_EOS ! 26 { ! 27 int i; !BCC_EOS ! 28 char* temp_pointer; !BCC_EOS ! 29 unsigned int num_bytes = number_elements * size; push bp mov bp,sp push di push si add sp,*-6 ! Debug: mul unsigned int size = [S+$C+4] to unsigned int number_elements = [S+$C+2] (used reg = ) mov ax,4[bp] mov cx,6[bp] imul cx ! Debug: eq unsigned int = ax+0 to unsigned int num_bytes = [S+$C-$C] (used reg = ) mov -$A[bp],ax !BCC_EOS ! 30 void* allocated_pointer = global_heap_next; dec sp dec sp ! Debug: eq unsigned int = [global_heap_next+0] to * void allocated_pointer = [S+$E-$E] (used reg = ) mov bx,[_global_heap_next] mov -$C[bp],bx !BCC_EOS ! 31 global_heap_next = global_heap_next + num_bytes; ! Debug: add unsigned int num_bytes = [S+$E-$C] to unsigned int = [global_heap_next+0] (used reg = ) mov ax,[_global_heap_next] add ax,-$A[bp] ! Debug: eq unsigned int = ax+0 to unsigned int = [global_heap_next+0] (used reg = ) mov [_global_heap_next],ax !BCC_EOS ! 32 if (global_heap_next > global_heap_end) ! Debug: gt unsigned int = [global_heap_end+0] to unsigned int = [global_heap_next+0] (used reg = ) mov ax,[_global_heap_next] cmp ax,[_global_heap_end] jbe .3 .4: ! 33 { ! 34 return 0; xor ax,ax add sp,*8 pop si pop di pop bp ret !BCC_EOS ! 35 } ! 36 ! 37 ! 38 temp_pointer = allocated_pointer; .3: ! Debug: eq * void allocated_pointer = [S+$E-$E] to * char temp_pointer = [S+$E-$A] (used reg = ) mov bx,-$C[bp] mov -8[bp],bx !BCC_EOS ! 39 for (i = 0; i < num_bytes; ++i) ! Debug: eq int = const 0 to int i = [S+$E-8] (used reg = ) xor ax,ax mov -6[bp],ax !BCC_EOS !BCC_EOS ! 40 { jmp .7 .8: ! 41 *temp_pointer = 0; mov bx,-8[bp] ! Debug: eq int = const 0 to char = [bx+0] (used reg = ) xor al,al mov [bx],al !BCC_EOS ! 42 temp_pointer++; ! Debug: postinc * char temp_pointer = [S+$E-$A] (used reg = ) mov bx,-8[bp] inc bx mov -8[bp],bx !BCC_EOS ! 43 } ! 44 ! 45 return allocated_pointer; .6: ! Debug: preinc int i = [S+$E-8] (used reg = ) mov ax,-6[bp] inc ax mov -6[bp],ax .7: ! Debug: lt unsigned int num_bytes = [S+$E-$C] to int i = [S+$E-8] (used reg = ) mov ax,-6[bp] cmp ax,-$A[bp] jb .8 .9: .5: mov ax,-$C[bp] add sp,*8 pop si pop di pop bp ret !BCC_EOS ! 46 } ! 47 ! 48 int set_heap_settings(param_start, param_end) ! Register BX used in function calloc ! 49 unsigned int param_start; export _set_heap_settings _set_heap_settings: !BCC_EOS ! 50 unsigned int param_end; !BCC_EOS ! 51 { ! 52 global_heap_start = param_start; push bp mov bp,sp push di push si ! Debug: eq unsigned int param_start = [S+6+2] to unsigned int = [global_heap_start+0] (used reg = ) mov ax,4[bp] mov [_global_heap_start],ax !BCC_EOS ! 53 global_heap_next = param_start; ! Debug: eq unsigned int param_start = [S+6+2] to unsigned int = [global_heap_next+0] (used reg = ) mov ax,4[bp] mov [_global_heap_next],ax !BCC_EOS ! 54 global_heap_end = param_end; ! Debug: eq unsigned int param_end = [S+6+4] to unsigned int = [global_heap_end+0] (used reg = ) mov ax,6[bp] mov [_global_heap_end],ax !BCC_EOS ! 55 return 0; xor ax,ax pop si pop di pop bp ret !BCC_EOS ! 56 } ! 57 ! 58 unsigned int get_heap_next() ! 59 { export _get_heap_next _get_heap_next: ! 60 return global_heap_n push bp mov bp,sp push di push si ! 60 ext; mov ax,[_global_heap_next] pop si pop di pop bp ret !BCC_EOS ! 61 # 19 "implementation/../main.h" ! 19 } ! 20 # 2 "implementation/../std_singos/string.h" ! 2 typedef struct Length_String { ! 3 short dynamic; !BCC_EOS ! 4 unsigned int length; !BCC_EOS ! 5 char *chars; !BCC_EOS ! 6 } Length_String; !BCC_EOS ! 7 ! 8 typedef struct String_Array { ! 9 unsigned int length; !BCC_EOS ! 10 Length_String **strings; !BCC_EOS ! 11 } String_Array; !BCC_EOS ! 12 ! 13 void strcpy (destination, destination_segment, source, source_segment ); !BCC_EOS ! 14 int strlen (source, source_segment); !BCC_EOS ! 15 void memcpy (destination, destination_segment, source, source_segment, num_bytes ); !BCC_EOS ! 16 ! 17 ! 18 String_Array *string_split_c(string, delim, keep_delim); !BCC_EOS ! 19 Length_String *make_length_string(length, chars); !BCC_EOS ! 20 Length_String *make_length_string_c(cstring); !BCC_EOS ! 21 String_Array *length_string_split(string, delim, keep_delim); !BCC_EOS ! 22 String_Array *create_length_string_array(array_size); !BCC_EOS ! 23 Length_String *create_length_string(length, chars); !BCC_EOS ! 24 ! 25 ! 26 ! 27 int strlen (source, source_segment) ! 28 { export _strlen _strlen: ! 29 #asm !BCC_ASM _strlen.source set 2 _strlen.source_segment set 4 push bp mov bp,sp push ds push bx mov ax, 6[bp]; mov ds, ax mov bx, 4[bp]; label_strlen: mov cx, #0x0 ; Set counte to zero .label_strlen_loop: mov BYTE al, [bx] cmp al, #0x0 je .label_strlen_done inc cx ; Count 1 inc bx ; Look at next char jmp .label_strlen_loop .label_strlen_done: mov ax, cx pop bx pop ds pop bp ! 57 endasm !BCC_ENDASM ! 58 } ret ! 59 ! 60 void strcpy (destination, destination_segment, source, source_segment ) ! 61 char *destination; export _strcpy _strcpy: !BCC_EOS ! 62 int destination_segment; !BCC_EOS ! 63 char *source; !BCC_EOS ! 64 int source_segment; !BCC_EOS ! 65 { ! 66 #asm !BCC_ASM _strcpy.source set 6 _strcpy.destination set 2 _strcpy.source_segment set 8 _strcpy.destination_segment set 4 ; copy two strings ; IN si: the first (zero terminated) string ; IN di: the second (zero terminated) string ; OUT SF and ZF (same semantics as cmp) ! 72 76 push bp mov bp,sp label_strcpy: push ax push bx push di push es push si push ds mov ax, 4[bp]; ; mov di, ax mov ax, 6[bp]; ; mov es, ax mov ax, 8[bp]; ; mov si, ax mov ax, 10[bp]; ; mov ds, ax mov cx, 0x050 ;TODO(Jrn) Hardcded number of bytes to copy .label_strcpy_loop: movsb cmp cx, 0x0 je .label_strcpy_end dec cx jmp .label_strcpy_loop .label_strcpy_end: pop ds pop si pop es pop di pop bx pop ax pop bp ! 110 endasm !BCC_ENDASM ! 111 } ret ! 112 ! 113 void memcpy (destination, destination_segment, source, source_segment, num_bytes) ! 114 void *destination; export _memcpy _memcpy: !BCC_EOS ! 115 int destination_segment; !BCC_EOS ! 116 void *source; !BCC_EOS ! 117 int source_segment; !BCC_EOS ! 118 int num_bytes; !BCC_EOS ! 119 { ! 120 #asm !BCC_ASM _memcpy.source set 6 _memcpy.destination set 2 _memcpy.num_bytes set $A _memcpy.source_segment set 8 _memcpy.destination_segment set 4 ; copy two strings ; IN si: the first (zero terminated) string ; IN di: the second (zero terminated) string ; OUT SF and ZF (same semantics as cmp) ! 126 131 push bp mov bp,sp label_memcpy: push ax push bx push di push es push si push ds mov ax, 4[bp]; ; mov di, ax mov ax, 6[bp]; ; mov es, ax mov ax, 8[bp]; ; mov si, ax mov ax, 10[bp]; ; mov ds, ax mov cx, 12[bp]; .label_memcpy_loop: movsb cmp cx, 0x0 je .label_memcpy_end dec cx jmp .label_memcpy_loop .label_memcpy_end: pop ds pop si pop es pop di pop bx pop ax pop bp ! 165 endasm !BCC_ENDASM ! 166 } ret ! 167 ! 168 int strcmp(source_1, source_2) ! 169 char* source_1; export _strcmp _strcmp: !BCC_EOS ! 170 char* source_2; !BCC_EOS ! 171 { ! 172 int i; !BCC_EOS ! 173 int count; !BCC_EOS ! 174 ! 175 count = strlen(source_1); push bp mov bp,sp push di push si add sp,*-4 ! Debug: list * char source_1 = [S+$A+2] (used reg = ) push 4[bp] ! Debug: func () int = strlen+0 (used reg = ) call _strlen inc sp inc sp ! Debug: eq int = ax+0 to int count = [S+$A-$A] (used reg = ) mov -8[bp],ax !BCC_EOS ! 176 if (count != strlen(source_2)) ! Debug: list * char source_2 = [S+$A+4] (used reg = ) push 6[bp] ! Debug: func () int = strlen+0 (used reg = ) call _strlen inc sp inc sp ! Debug: ne int = ax+0 to int count = [S+$A-$A] (used reg = ) ! Debug: expression subtree swapping cmp ax,-8[bp] je .A .B: ! 177 { ! 178 ! 179 } ! 180 ! 181 ! 182 for (i = 0; i < count; ++i) .A: ! Debug: eq int = const 0 to int i = [S+$A-8] (used reg = ) xor ax,ax mov -6[bp],ax !BCC_EOS !BCC_EOS ! 183 { jmp .E .F: ! 184 if(source_1[i] != source_2[i]) ! Debug: ptradd int i = [S+$A-8] to * char source_2 = [S+$A+4] (used reg = ) mov ax,-6[bp] add ax,6[bp] mov bx,ax ! Debug: ptradd int i = [S+$A-8] to * char source_1 = [S+$A+2] (used reg = bx) mov ax,-6[bp] add ax,4[bp] mov si,ax ! Debug: ne char = [bx+0] to char = [si+0] (used reg = ) mov al,[si] cmp al,[bx] je .10 .11: ! 185 { ! 186 return -1; mov ax,*-1 add sp,*4 pop si pop di pop bp ret !BCC_EOS ! 187 } ! 188 } .10: ! 189 ! 190 return 0; .D: ! Debug: preinc int i = [S+$A-8] (used reg = ) mov ax,-6[bp] inc ax mov -6[bp],ax .E: ! Debug: lt int count = [S+$A-$A] to int i = [S+$A-8] (used reg = ) mov ax,-6[bp] cmp ax,-8[bp] jl .F .12: .C: xor ax,ax add sp,*4 pop si pop di pop bp ret !BCC_EOS ! 191 # 223 ! 223 ! 224 } ! 225 ! 226 String_Array *string_split_c(string, delim, keep_delim) ! Register BX SI used in function strcmp ! 227 char *string; export _string_split_c _string_split_c: !BCC_EOS ! 228 char delim; !BCC_EOS ! 229 short keep_delim; !BCC_EOS ! 230 { ! 231 return length_string_split(make_length_string_c(string), delim, keep_delim); push bp mov bp,sp push di push si ! Debug: list short keep_delim = [S+6+6] (used reg = ) push 8[bp] ! Debug: list char delim = [S+8+4] (used reg = ) mov al,6[bp] xor ah,ah push ax ! Debug: list * char string = [S+$A+2] (used reg = ) push 4[bp] ! Debug: func () * struct Length_String = make_length_string_c+0 (used reg = ) call _make_length_string_c inc sp inc sp ! Debug: list * struct Length_String = ax+0 (used reg = ) push ax ! Debug: func () * struct String_Array = length_string_split+0 (used reg = ) call _length_string_split add sp,*6 ! Debug: cast * struct String_Array = const 0 to * struct String_Array = ax+0 (used reg = ) pop si pop di pop bp ret !BCC_EOS ! 232 } ! 233 ! 234 Length_String *make_length_string_c(cstring) ! 235 char *cstring; export _make_length_string_c _make_length_string_c: !BCC_EOS ! 236 { ! 237 return make_length_string(strlen(cstring, 0x7e0), cstring); push bp mov bp,sp push di push si ! Debug: list * char cstring = [S+6+2] (used reg = ) push 4[bp] ! Debug: list int = const $7E0 (used reg = ) mov ax,#$7E0 push ax ! Debug: list * char cstring = [S+$A+2] (used reg = ) push 4[bp] ! Debug: func () int = strlen+0 (used reg = ) call _strlen add sp,*4 ! Debug: list int = ax+0 (used reg = ) push ax ! Debug: func () * struct Length_String = make_length_string+0 (used reg = ) call _make_length_string add sp,*4 ! Debug: cast * struct Length_String = const 0 to * struct Length_String = ax+0 (used reg = ) pop si pop di pop bp ret !BCC_EOS ! 238 } ! 239 ! 240 Length_String *make_length_string(length, chars) ! 241 unsigned int length; export _make_length_string _make_length_string: !BCC_EOS ! 242 char *chars; !BCC_EOS ! 243 { ! 244 ! 245 Length_String *legth_string = malloc ! 245 (sizeof(Length_String)); push bp mov bp,sp push di push si dec sp dec sp ! Debug: list int = const 6 (used reg = ) mov ax,*6 push ax ! Debug: func () * void = malloc+0 (used reg = ) call _malloc inc sp inc sp ! Debug: eq * void = ax+0 to * struct Length_String legth_string = [S+8-8] (used reg = ) mov -6[bp],ax !BCC_EOS ! 246 char *copy = malloc(length + 1); dec sp dec sp ! Debug: add int = const 1 to unsigned int length = [S+$A+2] (used reg = ) mov ax,4[bp] ! Debug: list unsigned int = ax+1 (used reg = ) inc ax push ax ! Debug: func () * void = malloc+0 (used reg = ) call _malloc inc sp inc sp ! Debug: eq * void = ax+0 to * char copy = [S+$A-$A] (used reg = ) mov -8[bp],ax !BCC_EOS ! 247 memcpy(copy, 0x7e0, chars, 0x7e0, length); ! Debug: list unsigned int length = [S+$A+2] (used reg = ) push 4[bp] ! Debug: list int = const $7E0 (used reg = ) mov ax,#$7E0 push ax ! Debug: list * char chars = [S+$E+4] (used reg = ) push 6[bp] ! Debug: list int = const $7E0 (used reg = ) mov ax,#$7E0 push ax ! Debug: list * char copy = [S+$12-$A] (used reg = ) push -8[bp] ! Debug: func () void = memcpy+0 (used reg = ) call _memcpy add sp,*$A !BCC_EOS ! 248 copy[length] = '\0'; ! Debug: ptradd unsigned int length = [S+$A+2] to * char copy = [S+$A-$A] (used reg = ) mov ax,4[bp] add ax,-8[bp] mov bx,ax ! Debug: eq int = const 0 to char = [bx+0] (used reg = ) xor al,al mov [bx],al !BCC_EOS ! 249 ! 250 legth_string->dynamic = 0; mov bx,-6[bp] ! Debug: eq int = const 0 to short = [bx+0] (used reg = ) xor ax,ax mov [bx],ax !BCC_EOS ! 251 legth_string->length = length; mov bx,-6[bp] ! Debug: eq unsigned int length = [S+$A+2] to unsigned int = [bx+2] (used reg = ) mov ax,4[bp] mov 2[bx],ax !BCC_EOS ! 252 legth_string->chars = (char *)chars; mov bx,-6[bp] ! Debug: eq * char chars = [S+$A+4] to * char = [bx+4] (used reg = ) mov si,6[bp] mov 4[bx],si !BCC_EOS ! 253 ! 254 return legth_string; mov ax,-6[bp] add sp,*4 pop si pop di pop bp ret !BCC_EOS ! 255 } ! 256 ! 257 String_Array *length_string_split(string, delim, keep_delim) ! Register BX SI used in function make_length_string ! 258 Length_String *string; export _length_string_split _length_string_split: !BCC_EOS ! 259 char delim; !BCC_EOS ! 260 short keep_delim; !BCC_EOS ! 261 { ! 262 unsigned int i; !BCC_EOS ! 263 unsigned int last; !BCC_EOS ! 264 ! 265 unsigned int count = 0; push bp mov bp,sp push di push si add sp,*-6 ! Debug: eq int = const 0 to unsigned int count = [S+$C-$C] (used reg = ) xor ax,ax mov -$A[bp],ax !BCC_EOS ! 266 unsigned int insert_index = 0; dec sp dec sp ! Debug: eq int = const 0 to unsigned int insert_index = [S+$E-$E] (used reg = ) xor ax,ax mov -$C[bp],ax !BCC_EOS ! 267 String_Array *result; !BCC_EOS ! 268 int k; !BCC_EOS ! 269 ! 270 i = 0; add sp,*-4 ! Debug: eq int = const 0 to unsigned int i = [S+$12-8] (used reg = ) xor ax,ax mov -6[bp],ax !BCC_EOS ! 271 last = 0; ! Debug: eq int = const 0 to unsigned int last = [S+$12-$A] (used reg = ) xor ax,ax mov -8[bp],ax !BCC_EOS ! 272 while(i < string->length) { jmp .14 .15: ! 273 if (string->chars[i] == delim) { mov bx,4[bp] ! Debug: ptradd unsigned int i = [S+$12-8] to * char = [bx+4] (used reg = ) mov ax,-6[bp] add ax,4[bx] mov bx,ax ! Debug: logeq char delim = [S+$12+4] to char = [bx+0] (used reg = ) mov al,[bx] cmp al,6[bp] jne .16 .17: ! 274 if (i > last+1) { ! Debug: add int = const 1 to unsigned int last = [S+$12-$A] (used reg = ) mov ax,-8[bp] ! Debug: gt unsigned int = ax+1 to unsigned int i = [S+$12-8] (used reg = ) inc ax cmp ax,-6[bp] jae .18 .19: ! 275 ++count; ! Debug: preinc unsigned int count = [S+$12-$C] (used reg = ) mov ax,-$A[bp] inc ax mov -$A[bp],ax !BCC_EOS ! 276 } ! 277 last = i; .18: ! Debug: eq unsigned int i = [S+$12-8] to unsigned int last = [S+$12-$A] (used reg = ) mov ax,-6[bp] mov -8[bp],ax !BCC_EOS ! 278 } ! 279 ++i; .16: ! Debug: preinc unsigned int i = [S+$12-8] (used reg = ) mov ax,-6[bp] inc ax mov -6[bp],ax !BCC_EOS ! 280 } ! 281 if (i > last+1) { .14: mov bx,4[bp] ! Debug: lt unsigned int = [bx+2] to unsigned int i = [S+$12-8] (used reg = ) mov ax,-6[bp] cmp ax,2[bx] jb .15 .1A: .13: ! Debug: add int = const 1 to unsigned int last = [S+$12-$A] (used reg = ) mov ax,-8[bp] ! Debug: gt unsigned int = ax+1 to unsigned int i = [S+$12-8] (used reg = ) inc ax cmp ax,-6[bp] jae .1B .1C: ! 282 ++count; ! Debug: preinc unsigned int count = [S+$12-$C] (used reg = ) mov ax,-$A[bp] inc ax mov -$A[bp],ax !BCC_EOS ! 283 } ! 284 ! 285 result = create_length_string_array(count); .1B: ! Debug: list unsigned int count = [S+$12-$C] (used reg = ) push -$A[bp] ! Debug: func () * struct String_Array = create_length_string_array+0 (used reg = ) call _create_length_string_array inc sp inc sp ! Debug: eq * struct String_Array = ax+0 to * struct String_Array result = [S+$12-$10] (used reg = ) mov -$E[bp],ax !BCC_EOS ! 286 ! 287 if (keep_delim) mov ax,8[bp] test ax,ax je .1D .1E: ! 288 { ! 289 k = 0; ! Debug: eq int = const 0 to int k = [S+$12-$12] (used reg = ) xor ax,ax mov -$10[bp],ax !BCC_EOS ! 290 } ! 291 else ! 292 { jmp .1F .1D: ! 293 k = 1; ! Debug: eq int = const 1 to int k = [S+$12-$12] (used reg = ) mov ax,*1 mov -$10[bp],ax !BCC_EOS ! 294 } ! 295 ! 296 i = 0; .1F: ! Debug: eq int = const 0 to unsigned int i = [S+$12-8] (used reg = ) xor ax,ax mov -6[bp],ax !BCC_EOS ! 297 last = 0; ! Debug: eq int = const 0 to unsigned int last = [S+$12-$A] (used reg = ) xor ax,ax mov -8[bp],ax !BCC_EOS ! 298 while(i < string->length) { jmp .21 .22: ! 299 if (string->chars[i] == delim) { mov bx,4[bp] ! Debug: ptradd unsigned int i = [S+$12-8] to * char = [bx+4] (used reg = ) mov ax,-6[bp] add ax,4[bx] mov bx,ax ! Debug: logeq char delim = [S+$12+4] to char = [bx+0] (used reg = ) mov al,[bx] cmp al,6[bp] jne .23 .24: ! 300 if (i > last+1) { ! Debug: add int = const 1 to unsigned int last = [S+$12-$A] (used reg = ) mov ax,-8[bp] ! Debug: gt unsigned int = ax+1 to unsigned int i = [S+$12-8] (used reg = ) inc ax cmp ax,-6[bp] jae .25 .26: ! 301 result->strings[insert_index++] = create_length_string(i-(last+k), string->chars+(last+k)); ! Debug: add int k = [S+$12-$12] to unsigned int last = [S+$12-$A] (used reg = ) mov ax,-8[bp] add ax,-$10[bp] mov bx,4[bp] ! Debug: ptradd unsigned int = ax+0 to * char = [bx+4] (used reg = ) add ax,4[bx] ! Debug: list * char = ax+0 (used reg = ) push ax ! Debug: add int k = [S+$14-$12] to unsigned int last = [S+$14-$A] (used reg = ) mov ax,-8[bp] add ax,-$10[bp] ! Debug: sub unsigned int = ax+0 to unsigned int i = [S+$14-8] (used reg = ) push ax mov ax,-6[bp] sub ax,-$14[bp] inc sp inc sp ! Debug: list unsigned int = ax+0 (used reg = ) push ax ! Debug: func () * struct Length_String = create_length_string+0 (used reg = ) call _create_length_string add sp,*4 push ax ! Debug: postinc unsigned int insert_index = [S+$14-$E] (used reg = ) mov ax,-$C[bp] inc ax mov -$C[bp],ax mov bx,-$E[bp] ! Debug: ptradd unsigned int = ax-1 to * * struct Length_String = [bx+2] (used reg = ) dec ax shl ax,*1 add ax,2[bx] mov bx,ax ! Debug: eq * struct Length_String (temp) = [S+$14-$14] to * struct Length_String = [bx+0] (used reg = ) mov si,-$12[bp] mov [bx],si inc sp inc sp !BCC_EOS ! 302 } ! 303 last = i; .25: ! Debug: eq unsigned int i = [S+$12-8] to unsigned int last = [S+$12-$A] (used reg = ) mov ax,-6[bp] mov -8[bp],ax !BCC_EOS ! 304 } ! 305 ++i; .23: ! Debug: preinc unsigned int i = [S+$12-8] (used reg = ) mov ax,-6[bp] inc ax mov -6[bp],ax !BCC_EOS ! 306 } ! 307 if (i > last+1) { .21: mov bx,4[bp] ! Debug: lt unsigned int = [bx+2] to unsigned int i = [S+$12-8] (used reg = ) mov ax,-6[bp] cmp ax,2[bx] jb .22 .27: .20: ! Debug: add int = const 1 to unsigned int last = [S+$12-$A] (used reg = ) mov ax,-8[bp] ! Debug: gt unsigned int = ax+1 to unsigned int i = [S+$12-8] (used reg = ) inc ax cmp ax,-6[bp] jae .28 .29: ! 308 result->strings[insert_index++] = create_length_string(i-(last+k), ((string->chars)+(last+k))); ! Debug: add int k = [S+$12-$12] to unsigned int last = [S+$12-$A] (used reg = ) mov ax,-8[bp] add ax,-$10[bp] mov bx,4[bp] ! Debug: ptradd unsigned int = ax+0 to * char = [bx+4] (used reg = ) add ax,4[bx] ! Debug: list * char = ax+0 (used reg = ) push ax ! Debug: add int k = [S+$14-$12] to unsigned int last = [S+$14-$A] (used reg = ) mov ax,-8[bp] add ax,-$10[bp] ! Debug: sub unsigned int = ax+0 to unsigned int i = [S+$14-8] (used reg = ) push ax mov ax,-6[bp] sub ax,-$14[bp] inc sp inc sp ! Debug: list unsigned int = ax+0 (used reg = ) push ax ! Debug: func () * struct Length_String = create_length_string+0 (used reg = ) call _create_length_string add sp,*4 push ax ! Debug: postinc unsigned int insert_index = [S+$14-$E] (used reg = ) mov ax,-$C[bp] inc ax mov -$C[bp],ax mov bx,-$E[bp] ! Debug: ptradd unsigned int = ax-1 to * * struct Length_String = [bx+2] (used reg = ) dec ax shl ax,*1 add ax,2[bx] mov bx,ax ! Debug: eq * struct Length_String (temp) = [S+$14-$14] to * struct Length_String = [bx+0] (used reg = ) mov si,-$12[bp] mov [bx],si inc sp inc sp !BCC_EOS ! 309 } ! 310 ! 311 return result; .28: mov ax,-$E[bp] add sp,*$C pop si pop di pop bp ret !BCC_EOS ! 312 ! 313 } ! 314 ! 315 String_Array *create_length_string_array(array_size) ! Register BX SI used in function length_string_split ! 316 int array_size; export _create_length_string_array _create_length_string_array: !BCC_EOS ! 317 { ! 318 String_Array *result = malloc(sizeof(String_Array)); push bp mov bp,sp push di push si dec sp dec sp ! Debug: list int = const 4 (used reg = ) mov ax,*4 push ax ! Debug: func () * void = malloc+0 (used reg = ) call _malloc inc sp inc sp ! Debug: eq * void = ax+0 to * struct String_Array result = [S+8-8] (used reg = ) mov -6[bp],ax !BCC_EOS ! 319 result->length = array_size; mov bx,-6[bp] ! Debug: eq int array_size = [S+8+2] to unsigned int = [bx+0] (used reg = ) mov ax,4[bp] mov [bx],ax !BCC_EOS ! 320 result->strings = malloc(array_size * sizeof(Length_String)); ! Debug: mul int = const 6 to int array_size = [S+8+2] (used reg = ) mov ax,4[bp] mov dx,ax shl ax,*1 add ax,dx shl ax,*1 ! Debug: list int = ax+0 (used reg = ) push ax ! Debug: func () * void = malloc+0 (used reg = ) call _malloc inc sp inc sp mov bx,-6[bp] ! Debug: eq * void = ax+0 to * * struct Length_String = [bx+2] (used reg = ) mov 2[bx],ax !BCC_EOS ! 321 return result; mov ax,-6[bp] inc sp inc sp pop si pop di pop bp ret !BCC_EOS ! 322 } ! 323 ! 324 ! 325 Length_String *create_length_string(length, chars) ! Register BX used in function create_length_string_array ! 326 unsigned int length; export _create_length_string _create_length_string: !BCC_EOS ! 327 char *chars; !BCC_EOS ! 328 { ! 329 ! 330 Length_String *legth_string = malloc(sizeof(Length_String)); push bp mov bp,sp push di push si dec sp dec sp ! Debug: list int = const 6 (used reg = ) mov ax,*6 push ax ! Debug: func () * void = malloc+0 (used reg = ) call _malloc inc sp inc sp ! Debug: eq * void = ax+0 to * struct Length_String legth_string = [S+8-8] (used reg = ) mov -6[bp],ax !BCC_EOS ! 331 char *copy = malloc(length + 1); dec sp dec sp ! Debug: add int = const 1 to unsigned int length = [S+$A+2] (used reg = ) mov ax,4[bp] ! Debug: list unsigned int = ax+1 (used reg = ) inc ax push ax ! Debug: func () * void = malloc+0 (used reg = ) call _malloc inc sp inc sp ! Debug: eq * void = ax+0 to * char copy = [S+$A-$A] (used reg = ) mov -8[bp],ax !BCC_EOS ! 332 memcpy(copy, 0x7e0, chars, 0x7e0, length); ! Debug: list unsigned int length = [S+$A+2] (used reg = ) push 4[bp] ! Debug: list int = const $7E0 (used reg = ) mov ax,#$7E0 push ax ! Debug: list * char chars = [S+$E+4] (used reg = ) push 6[bp] ! Debug: list int = const $7E0 (used reg = ) mov ax,#$7E0 push ax ! Debug: list * char copy = [S+$12-$A] (used reg = ) push -8[bp] ! Debug: func () void = memcpy+0 (used reg = ) call _memcpy add sp,*$A !BCC_EOS ! 333 copy[length] = '\0'; ! Debug: ptradd unsigned int length = [S+$A+2] to * char copy = [S+$A-$A] (used reg = ) mov ax,4[bp] add ax,-8[bp] mov bx,ax ! Debug: eq int = const 0 to char = [bx+0] (used reg = ) xor al,al mov [bx],al !BCC_EOS ! 334 ! 335 legth_string->dynamic = 1; mov bx,-6[bp] ! Debug: eq int = const 1 to short = [bx+0] (used reg = ) mov ax,*1 mov [bx],ax !BCC_EOS ! 336 legth_string->length = length; mov bx,-6[bp] ! Debug: eq unsigned int length = [S+$A+2] to unsigned int = [bx+2] (used reg = ) mov ax,4[bp] mov 2[bx],ax !BCC_EOS ! 337 legth_string->chars = copy; mov bx,-6[bp] ! Debug: eq * char copy = [S+$A-$A] to * char = [bx+4] (used reg = ) mov si,-8[bp] mov 4[bx],si !BCC_EOS ! 338 ! 339 return legth_string; mov ax,-6[bp] add sp,*4 pop si pop di pop bp ret !BCC_EOS ! 340 # 21 ! 20 "implementation/../main.h" ! 21 } ! 22 # 1 "implementation/../driver/disk.h" ! 1 int data_from_disk(index, number_sectors, data_buffer, data_buffer_segment); ! Register BX SI used in function create_length_string !BCC_EOS ! 2 int disk_service_read_data_from_disk(index, number_sectors, data_buffer, data_buffer_segment); !BCC_EOS ! 3 ! 4 int disk_service_read_data_from_disk(index, number_sectors, data_buffer, data_buffer_segment) ! 5 long* index; export _disk_service_read_data_from_disk _disk_service_read_data_from_disk: !BCC_EOS ! 6 long number_sectors; !BCC_EOS ! 7 void* data_buffer; !BCC_EOS ! 8 int data_buffer_segment; !BCC_EOS ! 9 { ! 10 ! 11 #asm !BCC_ASM _disk_service_read_data_from_disk.data_buffer set 8 _disk_service_read_data_from_disk.number_sectors set 4 _disk_service_read_data_from_disk.data_buffer_segment set $A _disk_service_read_data_from_disk.index set 2 ! 13 define number_sectors 8[bp]; push bp mov bp,sp pusha lsfs_load_data: mov ax, 4[bp]; mov WORD [DAPACK.lba_addr_dw_low], ax mov bx, 8[bp]; mov WORD [DAPACK.blkcnt], bx mov cx, 12[bp]; mov WORD [DAPACK.db_addr_segment], cx mov dx, 10[bp]; ; mov WORD [DAPACK.db_addr_offset], dx mov si, #DAPACK ; address of mov ah, #0x42 ; READ mov dl, [global_disk_identifier] int #0x13 ;call 0x0000:0x7C2A popa pop bp ret DAPACK: DAPACK.dap_Size: db 0x10 DAPACK.rev_byte: db 0x0 DAPACK.blkcnt: dw 0x0 DAPACK.db_addr_offset: dw 0x0 DAPACK.db_addr_segment: dw 0x0 DAPACK.lba_addr_dw_low: dd 0x0 DAPACK.lba_addr_dw_high: dd 0x0 global_disk_identifier: db 0x80 ! 51 endasm !BCC_ENDASM ! 52 } ret ! 53 # 25 "implementation/../main.h" ! 25 void dump_ax(input); !BCC_EOS ! 26 void print_stack(argument); !BCC_EOS ! 27 void print_newline(); !BCC_EOS ! 28 ! 29 typedef struct struct_partition_control partition_control; !BCC_EOS ! 30 typedef struct File_System_Control_Information FSCI; !BCC_EOS ! 31 typedef struct meta_information_format mif; !BCC_EOS ! 32 typedef struct tag_record tag_record; !BCC_EOS ! 33 typedef struct Parameter_Struct Parameter_Struct; !BCC_EOS ! 34 ! 35 ! 36 typedef enum Service_Action ! 37 { ! 38 SERIVCE_LOAD_DISK = 1, ! 39 SERVICE_FIND_ENTRY = 2, ! 40 SERIVCE_READ_DATA = 3, ! 41 SERIVCE_WRITE_DATA = 4, ! 42 ! 43 } Service_Action; !BCC_EOS ! 44 ! 45 struct File_System_Control_Information ! 46 { ! 47 char filesystem_information[256]; !BCC_EOS ! 48 long master_table_index[2]; !BCC_EOS ! 49 long this_partition_offset_on_disk[2]; !BCC_EOS ! 50 long next_free_sector[2]; !BCC_EOS ! 51 long next_uniqe_id[2]; !BCC_EOS ! 52 long next_secto ! 52 r_reuse_pointer[2]; !BCC_EOS ! 53 long last_sector_index_on_partition[2]; !BCC_EOS ! 54 long maximum_sectors_on_disk[2]; !BCC_EOS ! 55 long sector_size_on_disk[2]; !BCC_EOS ! 56 long not_used[48]; !BCC_EOS ! 57 ! 58 }; !BCC_EOS ! 59 ! 60 ! 61 struct Parameter_Struct ! 62 { ! 63 char* path; !BCC_EOS ! 64 char* new_path; !BCC_EOS ! 65 int buffer_segment; !BCC_EOS ! 66 int buffer_address; !BCC_EOS ! 67 int buffer_size; !BCC_EOS ! 68 int data_length; !BCC_EOS ! 69 int byte_offset_into_file; !BCC_EOS ! 70 short entry_kind; !BCC_EOS ! 71 }; !BCC_EOS ! 72 # 5 "implementation/lsfs.h" ! 5 typedef struct lsfs_file lsfs_file; !BCC_EOS ! 6 typedef struct Directory_Table Directory_Table; !BCC_EOS ! 7 typedef struct Table_Entry Table_Entry; !BCC_EOS ! 8 ! 9 int lsfs_disk_getattr(find_file, path); !BCC_EOS ! 10 int lsfs_disk_read_data_from_file(file, buffer_size, data, offset_to_next_entry); !BCC_EOS ! 11 Directory_Table* lsfs_find_directory(path, drop_filename); !BCC_EOS ! 12 ! 13 typedef enum Table_Entry_Kind ! 14 { ! 15 ! 16 ENTRY_EMPTY = 0, ! 17 ENTRY_FILE = 1, ! 18 ENTRY_DIRECTORY = 2, ! 19 } Table_Entry_Kind; !BCC_EOS ! 20 ! 21 struct Table_Entry ! 22 { ! 23 char filename[256]; !BCC_EOS ! 24 long file_id[2]; !BCC_EOS ! 25 long file_size[2]; !BCC_EOS ! 26 void* ext_file_data_low; !BCC_EOS ! 27 void* ext_file_data_high; !BCC_EOS ! 28 long number_sector_s; !BCC_EOS ! 29 short entry_kind; !BCC_EOS ! 30 short extra_control_bits1; !BCC_EOS ! 31 short extra_control_bits2; !BCC_EOS ! 32 short extra_control_bits3; !BCC_EOS ! 33 long table_entry_sector_index[2]; !BCC_EOS ! 34 long data_pointer[27 * 2]; !BCC_EOS ! 35 }; !BCC_EOS ! 36 ! 37 struct lsfs_file { ! 38 long file_id[2]; !BCC_EOS ! 39 long table_entry_pointer[2]; !BCC_EOS ! 40 Table_Entry_Kind entry_kind; !BCC_EOS ! 41 char* filename; !BCC_EOS ! 42 long owner_id; !BCC_EOS ! 43 long size[2]; !BCC_EOS ! 44 long creation_date[2]; !BCC_EOS ! 45 long access_time[2]; !BCC_EOS ! 46 long modification_time[2]; !BCC_EOS ! 47 long number_sector; !BCC_EOS ! 48 long table_entry_sector_index[2]; !BCC_EOS ! 49 long data_pointer[27 * 2]; !BCC_EOS ! 50 }; !BCC_EOS ! 51 ! 52 struct Directory_Table ! 53 { ! 54 Table_Entry entries[16 ]; !BCC_EOS ! 55 ! 56 }; !BCC_EOS ! 57 # 3 "implementation/lsfs.c" ! 3 extern FSCI fsci; !BCC_EOS ! 4 ! 5 int lsfs_disk_getattr(find_file, path) ! 6 lsfs_file* find_file; export _lsfs_disk_getattr _lsfs_disk_getattr: !BCC_EOS ! 7 char* path; !BCC_EOS ! 8 { ! 9 int i; !BCC_EOS ! 10 String_Array *split_path = string_split_c(path, '/', 0 ); push bp mov bp,sp push di push si add sp,*-4 ! Debug: list int = const 0 (used reg = ) xor ax,ax push ax ! Debug: list int = const $2F (used reg = ) mov ax,*$2F push ax ! Debug: list * char path = [S+$E+4] (used reg = ) push 6[bp] ! Debug: func () * struct String_Array = string_split_c+0 (used reg = ) call _string_split_c add sp,*6 ! Debug: eq * struct String_Array = ax+0 to * struct String_Array split_path = [S+$A-$A] (used reg = ) mov -8[bp],ax !BCC_EOS ! 11 Length_String *filename = split_path->strings[split_path->length-1]; dec sp dec sp mov bx,-8[bp] ! Debug: sub int = const 1 to unsigned int = [bx+0] (used reg = ) mov bx,[bx] mov si,-8[bp] ! Debug: ptradd unsigned int = bx-1 to * * struct Length_String = [si+2] (used reg = ) mov ax,bx dec ax shl ax,*1 add ax,2[si] mov bx,ax ! Debug: eq * struct Length_String = [bx+0] to * struct Length_String filename = [S+$C-$C] (used reg = ) mov bx,[bx] mov -$A[bp],bx !BCC_EOS ! 12 ! 13 ! 14 Directory_Table *dir_table = lsfs_find_directory(path, 1 ); dec sp dec sp ! Debug: list int = const 1 (used reg = ) mov ax,*1 push ax ! Debug: list * char path = [S+$10+4] (used reg = ) push 6[bp] ! Debug: func () * struct Directory_Table = lsfs_find_directory+0 (used reg = ) call _lsfs_find_directory add sp,*4 ! Debug: eq * struct Directory_Table = ax+0 to * struct Directory_Table dir_table = [S+$E-$E] (used reg = ) mov -$C[bp],ax !BCC_EOS ! 15 ! 16 for (i = 0; i < 16 ; ++i) ! Debug: eq int = const 0 to int i = [S+$E-8] (used reg = ) xor ax,ax mov -6[bp],ax !BCC_EOS !BCC_EOS ! 17 { br .2C .2D: ! 18 if(strcmp( filename ! 18 ->chars, dir_table->entries[i].filename ) == 0) { ! Debug: ptradd int i = [S+$E-8] to [$10] struct Table_Entry dir_table = [S+$E-$E] (used reg = ) mov ax,-6[bp] mov cx,#$200 imul cx add ax,-$C[bp] mov bx,ax ! Debug: cast * char = const 0 to [$100] char = bx+0 (used reg = ) ! Debug: list * char = bx+0 (used reg = ) push bx mov bx,-$A[bp] ! Debug: list * char = [bx+4] (used reg = ) push 4[bx] ! Debug: func () int = strcmp+0 (used reg = ) call _strcmp add sp,*4 ! Debug: logeq int = const 0 to int = ax+0 (used reg = ) test ax,ax bne .2E .2F: ! 19 find_file->file_id[0] = dir_table->entries[i].file_id; ! Debug: ptradd int i = [S+$E-8] to [$10] struct Table_Entry dir_table = [S+$E-$E] (used reg = ) mov ax,-6[bp] mov cx,#$200 imul cx add ax,-$C[bp] mov bx,ax ! Debug: ptradd int = const 0 to [2] long find_file = [S+$E+2] (used reg = bx) mov si,4[bp] ! Debug: eq [2] long = bx+$100 to long = [si+0] (used reg = ) mov ax,bx add ax,#$100 xor bx,bx mov [si],ax mov 2[si],bx !BCC_EOS ! 20 find_file->entry_kind = dir_table->entries[i].entry_kind; ! Debug: ptradd int i = [S+$E-8] to [$10] struct Table_Entry dir_table = [S+$E-$E] (used reg = ) mov ax,-6[bp] mov cx,#$200 imul cx add ax,-$C[bp] mov bx,ax mov si,4[bp] ! Debug: eq short = [bx+$118] to int = [si+$10] (used reg = ) mov bx,$118[bx] mov $10[si],bx !BCC_EOS ! 21 find_file->table_entry_pointer[0] = i; mov bx,4[bp] ! Debug: ptradd int = const 0 to [2] long = bx+8 (used reg = ) ! Debug: eq int i = [S+$E-8] to long = [bx+8] (used reg = ) mov ax,-6[bp] cwd mov si,dx mov 8[bx],ax mov $A[bx],si !BCC_EOS ! 22 find_file->filename = dir_table->entries[i].filename; ! Debug: ptradd int i = [S+$E-8] to [$10] struct Table_Entry dir_table = [S+$E-$E] (used reg = ) mov ax,-6[bp] mov cx,#$200 imul cx add ax,-$C[bp] mov bx,ax mov si,4[bp] ! Debug: eq [$100] char = bx+0 to * char = [si+$12] (used reg = ) mov $12[si],bx !BCC_EOS ! 23 find_file->table_entry_sector_index[0] = dir_table->entries[i].table_entry_sector_index; ! Debug: ptradd int i = [S+$E-8] to [$10] struct Table_Entry dir_table = [S+$E-$E] (used reg = ) mov ax,-6[bp] mov cx,#$200 imul cx add ax,-$C[bp] mov bx,ax mov si,4[bp] ! Debug: ptradd int = const 0 to [2] long = si+$3C (used reg = bx) ! Debug: eq [2] long = bx+$120 to long = [si+$3C] (used reg = ) mov ax,bx add ax,#$120 xor bx,bx mov $3C[si],ax mov $3E[si],bx !BCC_EOS ! 24 find_file->owner_id = 1; mov bx,4[bp] ! Debug: eq int = const 1 to long = [bx+$14] (used reg = ) mov ax,*1 xor si,si mov $14[bx],ax mov $16[bx],si !BCC_EOS ! 25 find_file->size[0] = dir_table->entries[i].file_size; ! Debug: ptradd int i = [S+$E-8] to [$10] struct Table_Entry dir_table = [S+$E-$E] (used reg = ) mov ax,-6[bp] mov cx,#$200 imul cx add ax,-$C[bp] mov bx,ax mov si,4[bp] ! Debug: ptradd int = const 0 to [2] long = si+$18 (used reg = bx) ! Debug: eq [2] long = bx+$108 to long = [si+$18] (used reg = ) mov ax,bx add ax,#$108 xor bx,bx mov $18[si],ax mov $1A[si],bx !BCC_EOS ! 26 find_file->creation_date[0] = 0; mov bx,4[bp] ! Debug: ptradd int = const 0 to [2] long = bx+$20 (used reg = ) ! Debug: eq int = const 0 to long = [bx+$20] (used reg = ) xor ax,ax xor si,si mov $20[bx],ax mov $22[bx],si !BCC_EOS ! 27 find_file->access_time[0] = 0; mov bx,4[bp] ! Debug: ptradd int = const 0 to [2] long = bx+$28 (used reg = ) ! Debug: eq int = const 0 to long = [bx+$28] (used reg = ) xor ax,ax xor si,si mov $28[bx],ax mov $2A[bx],si !BCC_EOS ! 28 find_file->modification_time[0] = 0; mov bx,4[bp] ! Debug: ptradd int = const 0 to [2] long = bx+$30 (used reg = ) ! Debug: eq int = const 0 to long = [bx+$30] (used reg = ) xor ax,ax xor si,si mov $30[bx],ax mov $32[bx],si !BCC_EOS ! 29 memcpy(find_file->data_pointer, dir_table->entries[i].data_pointer, 27 * 8); ! Debug: list int = const $D8 (used reg = ) mov ax,#$D8 push ax ! Debug: ptradd int i = [S+$10-8] to [$10] struct Table_Entry dir_table = [S+$10-$E] (used reg = ) mov ax,-6[bp] mov cx,#$200 imul cx add ax,-$C[bp] mov bx,ax ! Debug: cast * long = const 0 to [$36] long = bx+$128 (used reg = ) ! Debug: list * long = bx+$128 (used reg = ) add bx,#$128 push bx mov bx,4[bp] ! Debug: cast * long = const 0 to [$36] long = bx+$44 (used reg = ) ! Debug: list * long = bx+$44 (used reg = ) add bx,*$44 push bx ! Debug: func () void = memcpy+0 (used reg = ) call _memcpy add sp,*6 !BCC_EOS ! 30 find_file->number_sector = 1; mov bx,4[bp] ! Debug: eq int = const 1 to long = [bx+$38] (used reg = ) mov ax,*1 xor si,si mov $38[bx],ax mov $3A[bx],si !BCC_EOS ! 31 return 1; mov ax,*1 add sp,*8 pop si pop di pop bp ret !BCC_EOS ! 32 } ! 33 } .2E: ! 34 return 0; .2B: ! Debug: preinc int i = [S+$E-8] (used reg = ) mov ax,-6[bp] inc ax mov -6[bp],ax .2C: ! Debug: lt int = const $10 to int i = [S+$E-8] (used reg = ) mov ax,-6[bp] cmp ax,*$10 blt .2D .31: .2A: xor ax,ax add sp,*8 pop si pop di pop bp ret !BCC_EOS ! 35 } ! 36 ! 37 Directory_Table* lsfs_find_directory(path, drop_filename) ! Register BX SI used in function lsfs_disk_getattr ! 38 char *path; export _lsfs_find_directory _lsfs_find_directory: !BCC_EOS ! 39 short drop_filename; !BCC_EOS ! 40 { ! 41 int number_of_traversal; !BCC_EOS ! 42 int i, j; !BCC_EOS ! 43 String_Array *split_path; !BCC_EOS ! 44 Directory_Table *dir_table = calloc(1, sizeof(Directory_Table)); push bp mov bp,sp push di push si add sp,*-$A ! Debug: list int = const $2000 (used reg = ) mov ax,#$2000 push ax ! Debug: list int = const 1 (used reg = ) mov ax,*1 push ax ! Debug: func () * void = calloc+0 (used reg = ) call _calloc add sp,*4 ! Debug: eq * void = ax+0 to * struct Directory_Table dir_table = [S+$10-$10] (used reg = ) mov -$E[bp],ax !BCC_EOS ! 45 ! 46 disk_service_read_data_from_disk(fsci.master_table_index[0], 16 , dir_table, 0x7e0); ! Debug: list int = const $7E0 (used reg = ) mov ax,#$7E0 push ax ! Debug: list * struct Directory_Table dir_table = [S+$12-$10] (used reg = ) push -$E[bp] ! Debug: list int = const $10 (used reg = ) mov ax,*$10 push ax ! Debug: list long = [fsci+$100] (used reg = ) push [_fsci+$102] push [_fsci+$100] ! Debug: func () int = disk_service_read_data_from_disk+0 (used reg = ) call _disk_service_read_data_from_disk add sp,*$A !BCC_EOS ! 47 split_path = string_split_c(path, '/', 0 ); ! Debug: list int = const 0 (used reg = ) xor ax,ax push ax ! Debug: list int = const $2F (used reg = ) mov ax,*$2F push ax ! Debug: list * char path = [S+$14+2] (used reg = ) push 4[bp] ! Debug: func () * struct String_Array = string_split_c+0 (used reg = ) call _string_split_c add sp,*6 ! Debug: eq * struct String_Array = ax+0 to * struct String_Array split_path = [S+$10-$E] (used reg = ) mov -$C[bp],ax !BCC_EOS ! 48 ! 49 number_of_traversal = split_path->length; mov bx,-$C[bp] ! Debug: eq unsigned int = [bx+0] to int number_of_traversal = [S+$10-8] (used reg = ) mov bx,[bx] mov -6[bp],bx !BCC_EOS ! 50 ! 51 if (drop_filename) mov ax,6[bp] test ax,ax je .32 .33: ! 52 { ! 53 number_of_traversal -= 1; ! Debug: subab int = const 1 to int number_of_traversal = [S+$10-8] (used reg = ) mov ax,-6[bp] dec ax mov -6[bp],ax !BCC_EOS ! 54 } ! 55 ! 56 ! 57 for (i = 0; i < number_of_traversal; ++i) .32: ! Debug: eq int = const 0 to int i = [S+$10-$A] (used reg = ) xor ax,ax mov -8[bp],ax !BCC_EOS !BCC_EOS ! 58 { jmp .36 .37: ! 59 for (j = 0; j < 16 ; ++j) ! Debug: eq int = const 0 to int j = [S+$10-$C] (used reg = ) xor ax,ax mov -$A[bp],ax !BCC_EOS !BCC_EOS ! 60 { jmp .3A .3B: ! 61 if (strcmp(dir_table->entries[j].filename, split_path->strings[i]->chars) == 0) mov bx,-$C[bp] ! Debug: ptradd int i = [S+$10-$A] to * * struct Length_String = [bx+2] (used reg = ) mov ax,-8[bp] shl ax,*1 add ax,2[bx] mov bx,ax mov bx,[bx] ! Debug: list * char = [bx+4] (used reg = ) push 4[bx] ! Debug: ptradd int j = [S+$12-$C] to [$10] struct Table_Entry dir_table = [S+$12-$10] (used reg = ) mov ax,-$A[bp] mov cx,#$200 imul cx add ax,-$E[bp] mov bx,ax ! Debug: cast * char = const 0 to [$100] char = bx+0 (used reg = ) ! Debug: list * char = bx+0 (used reg = ) push bx ! Debug: func () int = strcmp+0 (used reg = ) call _strcmp add sp,*4 ! Debug: logeq int = const 0 to int = ax+0 (used reg = ) test ax,ax jne .3C .3D: ! 62 { ! 63 int index_sector = dir_table->entries[j].data_pointer[0]; dec sp dec sp ! Debug: ptradd int j = [S+$12-$C] to [$10] struct Table_Entry dir_table = [S+$12-$10] (used reg = ) mov ax,-$A[bp] mov cx,#$200 imul cx add ax,-$E[bp] mov bx,ax ! Debug: ptradd int = const 0 to [$36] long = bx+$128 (used reg = ) ! Debug: eq long = [bx+$128] to int index_sector = [S+$12-$12] (used reg = ) mov bx,$128[bx] mov -$10[bp],bx !BCC_EOS ! 64 ! 65 disk_service_read_data_from_disk(index_sector, 16 , dir_table); ! Debug: list * struct Directory_Table dir_table = [S+$12-$10] (used reg = ) push -$E[bp] ! Debug: list int = const $10 (used reg = ) mov ax,*$10 push ax ! Debug: list int index_sector = [S+$16-$12] (used reg = ) push -$10[bp] ! Debug: func () int = disk_service_read_data_from_disk+0 (used reg = ) call _disk_service_read_data_from_disk add sp,*6 !BCC_EOS ! 66 break; inc sp inc sp jmp .38 !BCC_EOS ! 67 } inc sp inc sp ! 68 } .3C: ! 69 } .39: ! Debug: preinc int j = [S+$10-$C] (used reg = ) mov ax,-$A[bp] inc ax mov -$A[bp],ax .3A: ! Debug: lt int = const $10 to int j = [S+$10-$C] (used reg = ) mov ax,-$A[bp] cmp ax,*$10 jl .3B .3E: .38: ! 70 return dir_table; .35: ! Debug: preinc int i = [S+$10-$A] (used reg = ) mov ax,-8[bp] inc ax mov -8[bp],ax .36: ! Debug: lt int number_of_traversal = [S+$10-8] to int i = [S+$10-$A] (used reg = ) mov ax,-8[bp] cmp ax,-6[bp] jl .37 .3F: .34: mov ax,-$E[bp] add sp,*$A pop si pop di pop bp ret !BCC_EOS ! 71 } ! 72 ! 73 int lsfs_disk_read_data_from_file(file, buffer_size, data, offset_to_next_entry, data_segment) ! Register BX used in function lsfs_find_directory ! 74 lsfs_file *file; export _lsfs_disk_read_data_from_file _lsfs_disk_read_data_from_file: !BCC_EOS ! 75 int buffer_size; !BCC_EOS ! 76 char *data; !BCC_EOS ! 77 long offset_to_next_entry; !BCC_EOS ! 78 unsigned int data_segment; !BCC_EOS ! 79 { ! 80 int integer_file_size = file->size; push bp mov bp,sp push di push si dec sp dec sp mov bx,4[bp] ! Debug: eq [2] long = bx+$18 to int integer_file_size = [S+8-8] (used reg = ) add bx,*$18 mov -6[bp],bx !BCC_EOS ! 81 int integer_o ! 81 ffset = offset_to_next_entry; dec sp dec sp ! Debug: eq long offset_to_next_entry = [S+$A+8] to int integer_offset = [S+$A-$A] (used reg = ) mov ax,$A[bp] mov -8[bp],ax !BCC_EOS ! 82 int integer_datapointer = 0; dec sp dec sp ! Debug: eq int = const 0 to int integer_datapointer = [S+$C-$C] (used reg = ) xor ax,ax mov -$A[bp],ax !BCC_EOS ! 83 int data_length = integer_file_size - integer_offset; dec sp dec sp ! Debug: sub int integer_offset = [S+$E-$A] to int integer_file_size = [S+$E-8] (used reg = ) mov ax,-6[bp] sub ax,-8[bp] ! Debug: eq int = ax+0 to int data_length = [S+$E-$E] (used reg = ) mov -$C[bp],ax !BCC_EOS ! 84 int amount_read = 0; dec sp dec sp ! Debug: eq int = const 0 to int amount_read = [S+$10-$10] (used reg = ) xor ax,ax mov -$E[bp],ax !BCC_EOS ! 85 int amount_to_read = 0; dec sp dec sp ! Debug: eq int = const 0 to int amount_to_read = [S+$12-$12] (used reg = ) xor ax,ax mov -$10[bp],ax !BCC_EOS ! 86 int remaining_offset = offset_to_next_entry; dec sp dec sp ! Debug: eq long offset_to_next_entry = [S+$14+8] to int remaining_offset = [S+$14-$14] (used reg = ) mov ax,$A[bp] mov -$12[bp],ax !BCC_EOS ! 87 ! 88 ! 89 ! 90 ! 91 ! 92 int data_pointer_index = 0; dec sp dec sp ! Debug: eq int = const 0 to int data_pointer_index = [S+$16-$16] (used reg = ) xor ax,ax mov -$14[bp],ax !BCC_EOS ! 93 ! 94 if (data_length > buffer_size) ! Debug: gt int buffer_size = [S+$16+4] to int data_length = [S+$16-$E] (used reg = ) mov ax,-$C[bp] cmp ax,6[bp] jle .40 .41: ! 95 { ! 96 data_length = buffer_size; ! Debug: eq int buffer_size = [S+$16+4] to int data_length = [S+$16-$E] (used reg = ) mov ax,6[bp] mov -$C[bp],ax !BCC_EOS ! 97 } ! 98 ! 99 while(data_length > 0) .40: ! 100 { br .43 .44: ! 101 ! 102 if (remaining_offset == 0) ! Debug: logeq int = const 0 to int remaining_offset = [S+$16-$14] (used reg = ) mov ax,-$12[bp] test ax,ax bne .45 .46: ! 103 { ! 104 char *tmp_buffer = calloc(4 , 512 ); dec sp dec sp ! Debug: list int = const $200 (used reg = ) mov ax,#$200 push ax ! Debug: list int = const 4 (used reg = ) mov ax,*4 push ax ! Debug: func () * void = calloc+0 (used reg = ) call _calloc add sp,*4 ! Debug: eq * void = ax+0 to * char tmp_buffer = [S+$18-$18] (used reg = ) mov -$16[bp],ax !BCC_EOS ! 105 ! 106 ! 107 if (data_length < (4 * 512 )) ! Debug: lt int = const $800 to int data_length = [S+$18-$E] (used reg = ) mov ax,-$C[bp] cmp ax,#$800 jge .47 .48: ! 108 { ! 109 amount_to_read = data_length; ! Debug: eq int data_length = [S+$18-$E] to int amount_to_read = [S+$18-$12] (used reg = ) mov ax,-$C[bp] mov -$10[bp],ax !BCC_EOS ! 110 } ! 111 else ! 112 { jmp .49 .47: ! 113 amount_to_read = (4 * 512 ); ! Debug: eq int = const $800 to int amount_to_read = [S+$18-$12] (used reg = ) mov ax,#$800 mov -$10[bp],ax !BCC_EOS ! 114 } ! 115 ! 116 integer_datapointer = file->data_pointer[data_pointer_index]; .49: mov bx,4[bp] ! Debug: ptradd int data_pointer_index = [S+$18-$16] to [$36] long = bx+$44 (used reg = ) mov ax,-$14[bp] shl ax,*1 shl ax,*1 add bx,ax ! Debug: eq long = [bx+$44] to int integer_datapointer = [S+$18-$C] (used reg = ) mov bx,$44[bx] mov -$A[bp],bx !BCC_EOS ! 117 if (integer_datapointer == 0) ! Debug: logeq int = const 0 to int integer_datapointer = [S+$18-$C] (used reg = ) mov ax,-$A[bp] test ax,ax jne .4A .4B: ! 118 { ! 119 break; inc sp inc sp br .42 !BCC_EOS ! 120 } ! 121 disk_service_read_data_from_disk(file->data_pointer[data_pointer_index], 4 , tmp_buffer, 0x7e0); .4A: ! Debug: list int = const $7E0 (used reg = ) mov ax,#$7E0 push ax ! Debug: list * char tmp_buffer = [S+$1A-$18] (used reg = ) push -$16[bp] ! Debug: list int = const 4 (used reg = ) mov ax,*4 push ax mov bx,4[bp] ! Debug: ptradd int data_pointer_index = [S+$1E-$16] to [$36] long = bx+$44 (used reg = ) mov ax,-$14[bp] shl ax,*1 shl ax,*1 add bx,ax ! Debug: list long = [bx+$44] (used reg = ) push $46[bx] push $44[bx] ! Debug: func () int = disk_service_read_data_from_disk+0 (used reg = ) call _disk_service_read_data_from_disk add sp,*$A !BCC_EOS ! 122 memcpy((data + amount_read), data_segment, tmp_buffer, 0x7e0, amount_to_read); ! Debug: list int amount_to_read = [S+$18-$12] (used reg = ) push -$10[bp] ! Debug: list int = const $7E0 (used reg = ) mov ax,#$7E0 push ax ! Debug: list * char tmp_buffer = [S+$1C-$18] (used reg = ) push -$16[bp] ! Debug: list unsigned int data_segment = [S+$1E+$C] (used reg = ) push $E[bp] ! Debug: ptradd int amount_read = [S+$20-$10] to * char data = [S+$20+6] (used reg = ) mov ax,-$E[bp] add ax,8[bp] ! Debug: list * char = ax+0 (used reg = ) push ax ! Debug: func () void = memcpy+0 (used reg = ) call _memcpy add sp,*$A !BCC_EOS ! 123 data_length -= amount_to_read; ! Debug: subab int amount_to_read = [S+$18-$12] to int data_length = [S+$18-$E] (used reg = ) mov ax,-$C[bp] sub ax,-$10[bp] mov -$C[bp],ax !BCC_EOS ! 124 amount_read += amount_to_read; ! Debug: addab int amount_to_read = [S+$18-$12] to int amount_read = [S+$18-$10] (used reg = ) mov ax,-$E[bp] add ax,-$10[bp] mov -$E[bp],ax !BCC_EOS ! 125 data_pointer_index = data_pointer_index + 2; ! Debug: add int = const 2 to int data_pointer_index = [S+$18-$16] (used reg = ) mov ax,-$14[bp] ! Debug: eq int = ax+2 to int data_pointer_index = [S+$18-$16] (used reg = ) inc ax inc ax mov -$14[bp],ax !BCC_EOS ! 126 ! 127 } inc sp inc sp ! 128 else if (remaining_offset < (4 * 512 )) br .4C .45: ! Debug: lt int = const $800 to int remaining_offset = [S+$16-$14] (used reg = ) mov ax,-$12[bp] cmp ax,#$800 bge .4D .4E: ! 129 { ! 130 char *tmp_buffer = calloc(1, (4 * 512 )); dec sp dec sp ! Debug: list int = const $800 (used reg = ) mov ax,#$800 push ax ! Debug: list int = const 1 (used reg = ) mov ax,*1 push ax ! Debug: func () * void = calloc+0 (used reg = ) call _calloc add sp,*4 ! Debug: eq * void = ax+0 to * char tmp_buffer = [S+$18-$18] (used reg = ) mov -$16[bp],ax !BCC_EOS ! 131 ! 132 ! 133 if (data_length < ((4 * 512 ) - remaining_offset) ) ! Debug: sub int remaining_offset = [S+$18-$14] to int = const $800 (used reg = ) mov ax,#$800 sub ax,-$12[bp] ! Debug: lt int = ax+0 to int data_length = [S+$18-$E] (used reg = ) cmp ax,-$C[bp] jle .4F .50: ! 134 { ! 135 amount_to_read = data_length; ! Debug: eq int data_length = [S+$18-$E] to int amount_to_read = [S+$18-$12] (used reg = ) mov ax,-$C[bp] mov -$10[bp],ax !BCC_EOS ! 136 } ! 137 else ! 138 { jmp .51 .4F: ! 139 amount_to_read = ((4 * 512 ) - remaining_offset); ! Debug: sub int remaining_offset = [S+$18-$14] to int = const $800 (used reg = ) mov ax,#$800 sub ax,-$12[bp] ! Debug: eq int = ax+0 to int amount_to_read = [S+$18-$12] (used reg = ) mov -$10[bp],ax !BCC_EOS ! 140 } ! 141 ! 142 disk_service_read_data_from_disk(file->data_pointer[data_pointer_index], 4 , tmp_buffer, 0x7e0); .51: ! Debug: list int = const $7E0 (used reg = ) mov ax,#$7E0 push ax ! Debug: list * char tmp_buffer = [S+$1A-$18] (used reg = ) push -$16[bp] ! Debug: list int = const 4 (used reg = ) mov ax,*4 push ax mov bx,4[bp] ! Debug: ptradd int data_pointer_index = [S+$1E-$16] to [$36] long = bx+$44 (used reg = ) mov ax,-$14[bp] shl ax,*1 shl ax,*1 add bx,ax ! Debug: list long = [bx+$44] (used reg = ) push $46[bx] push $44[bx] ! Debug: func () int = disk_service_read_data_from_disk+0 (used reg = ) call _disk_service_read_data_from_disk add sp,*$A !BCC_EOS ! 143 ! 144 memcpy(data, data_segment, (tmp_buffer + remaining_offset), 0x7e0, amount_to_read); ! Debug: list int amount_to_read = [S+$18-$12] (used reg = ) push -$10[bp] ! Debug: list int = const $7E0 (used reg = ) mov ax,#$7E0 push ax ! Debug: ptradd int remaining_offset = [S+$1C-$14] to * char tmp_buffer = [S+$1C-$18] (used reg = ) mov ax,-$12[bp] add ax,-$16[bp] ! Debug: list * char = ax+0 (used reg = ) push ax ! Debug: list unsigned int data_segment = [S+$1E+$C] (used reg = ) push $E[bp] ! Debug: list * char data = [S+$20+6] (used reg = ) push 8[bp] ! Debug: func () void = memcpy+0 (used reg = ) call _memcpy add sp,*$A !BCC_EOS ! 145 data_length -= amount_to_read; ! Debug: subab int amount_to_read = [S+$18-$12] to int data_length = [S+$18-$E] (used reg = ) mov ax,-$C[bp] sub ax,-$10[bp] mov -$C[bp],ax !BCC_EOS ! 146 amount_read += amount_to_read; ! Debug: addab int amount_to_read = [S+$18-$12] to int amount_read = [S+$18-$10] (used reg = ) mov ax,-$E[bp] add ax,-$10[bp] mov -$E[bp],ax !BCC_EOS ! 147 remaining_offset -= amount_to_read; ! Debug: subab int amount_to_read = [S+$18-$12] to int remaining_offset = [S+$18-$14] (used reg = ) mov ax,-$12[bp] sub ax,-$10[bp] mov -$12[bp],ax !BCC_EOS ! 148 ! 149 data_pointer_index = data_ ! 149 pointer_index + 2; ! Debug: add int = const 2 to int data_pointer_index = [S+$18-$16] (used reg = ) mov ax,-$14[bp] ! Debug: eq int = ax+2 to int data_pointer_index = [S+$18-$16] (used reg = ) inc ax inc ax mov -$14[bp],ax !BCC_EOS ! 150 ! 151 } inc sp inc sp ! 152 else ! 153 { jmp .52 .4D: ! 154 ! 155 remaining_offset -= (4 * 512 ); ! Debug: subab int = const $800 to int remaining_offset = [S+$16-$14] (used reg = ) mov ax,-$12[bp] add ax,#-$800 mov -$12[bp],ax !BCC_EOS ! 156 data_pointer_index++; ! Debug: postinc int data_pointer_index = [S+$16-$16] (used reg = ) mov ax,-$14[bp] inc ax mov -$14[bp],ax !BCC_EOS ! 157 } ! 158 ! 159 } .52: .4C: ! 160 # 164 ! 164 ! 165 return amount_read; .43: ! Debug: gt int = const 0 to int data_length = [S+$16-$E] (used reg = ) mov ax,-$C[bp] test ax,ax bgt .44 .53: .42: mov ax,-$E[bp] add sp,*$10 pop si pop di pop bp ret !BCC_EOS ! 166 ! 167 } ! 168 ! Register BX used in function lsfs_disk_read_data_from_file .data .bss ! 0 errors detected