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[/] [or1k/] [tags/] [nog_patch_42/] [or1ksim/] [cpu/] [common/] [parse.c] - Diff between revs 3 and 6

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Rev 3	Rev 6
Line 25...	Line 25...
`#include "parse.h"`	`#include "parse.h"`
`#include "abstract.h"`	`#include "abstract.h"`

`#define MAXLINE_LEN 18000`	`#define MAXLINE_LEN 18000`

	`/* Struct labelref that is used in linked list for fixing label refs`
	`after program is loaded to memory. */`

	`struct st_labelref {`
	`struct st_labelref *next;`
	`unsigned long addr;`
	`char label[100];`
	`} *labelref = NULL;`

`/* Unused mem memory marker. It is used when allocating program and data memory`	`/* Unused mem memory marker. It is used when allocating program and data memory`
`during parsing */`	`during parsing */`
`unsigned int freemem;`	`unsigned int freemem;`

`int nonempty(char *line)`	`int nonempty(char *line)`
Line 95...	Line 104...
`}`	`}`
`else`	`else`
`mem[freemem].data = *str;`	`mem[freemem].data = *str;`
`}`	`}`

	`int is_str(char *str)`
	`{`
	`char *c;`

	`for (c = str; *c != '\0'; c++)`
	`if (isalpha(*c))`
	`return 1;`

	`return 0;`
	`}`

	`void handle_labelref(struct st_labelref *root)`
	`{`
	`unsigned long label;`
	`struct st_labelref *tmp;`

	`while (root) {`
	`label = eval_label(root->label);`
	`mem[root->addr].data = (char) (label >> 24);`
	`mem[root->addr + 1].data = (char) (label >> 16);`
	`mem[root->addr + 2].data = (char) (label >> 8);`
	`mem[root->addr + 3].data = (char) (label);`

	`tmp = root->next;`
	`free(root);`
	`root = tmp;`
	`}`
	`}`

`void adddataword(char *num)`	`void adddataword(char *num)`
`{`	`{`

	`if (is_str(num)) {`
	`struct st_labelref *new = malloc(sizeof(struct st_labelref));`
	`strcpy(new->label, num);`
	`new->addr = freemem;`
	`new->next = labelref;`
	`labelref = new;`
	`} else {`
`mem[freemem].data = (char) (atol(num) >> 24);`	`mem[freemem].data = (char) (atol(num) >> 24);`
`mem[freemem + 1].data = (char) (atol(num) >> 16);`	`mem[freemem + 1].data = (char) (atol(num) >> 16);`
`mem[freemem + 2].data = (char) (atol(num) >> 8);`	`mem[freemem + 2].data = (char) (atol(num) >> 8);`
`mem[freemem + 3].data = (char) (atol(num));`	`mem[freemem + 3].data = (char) (atol(num));`
	`}`

`freemem += 4;`	`freemem += 4;`
`}`	`}`

`void adddatahalf(char *num)`	`void adddatahalf(char *num)`
Line 293...	Line 340...
`void loadcode(char *filename)`	`void loadcode(char *filename)`
`{`	`{`
`freemem = 0;`	`freemem = 0;`
`memset(mem, 0, sizeof(mem));`	`memset(mem, 0, sizeof(mem));`
`readfile(filename);`	`readfile(filename);`
	`handle_labelref(labelref);`
`return;`	`return;`
`}`	`}`

`No newline at end of file`	`No newline at end of file`

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[/] [or1k/] [tags/] [nog_patch_42/] [or1ksim/] [cpu/] [common/] [parse.c] - Diff between revs 3 and 6