util/blobtool: Update blobtool.y
- Refactor the spec & setter file reads into a separate function. - Make sure files can actually be opened before reading from them. - Check all malloced variables. - Set functions with no declatations as static. - Update blobtool.tab.c_shipped to the latest version. Change-Id: Ie97fff84493a06f48d8673d388c3882028d048ca Signed-off-by: Martin Roth <martinroth@google.com> Reviewed-on: https://review.coreboot.org/19231 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Martin Roth
parent
6d189cc47b
commit
6338189d0e
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@ -103,13 +103,22 @@ struct blob {
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struct blob *binary;
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unsigned char* value_to_bits (unsigned int v, unsigned int w)
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static void check_pointer (void *ptr)
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{
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if (ptr == NULL) {
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printf("Error: Out of memory\n");
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exit(1);
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}
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}
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static unsigned char* value_to_bits (unsigned int v, unsigned int w)
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{
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unsigned int i;
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unsigned char* bitarr;
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if (w > MAX_WIDTH) w = MAX_WIDTH;
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bitarr = (unsigned char *) malloc (w * sizeof (unsigned char));
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check_pointer(bitarr);
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memset (bitarr, 0, w);
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for (i = 0; i < w; i++) {
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@ -119,10 +128,11 @@ unsigned char* value_to_bits (unsigned int v, unsigned int w)
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}
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/* Store each bit of a bitfield in a new byte sequentially 0x80 or 0x81 */
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void append_field_to_blob (unsigned char b[], unsigned int w)
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static void append_field_to_blob (unsigned char b[], unsigned int w)
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{
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unsigned int i, j;
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binary->blb = (unsigned char *) realloc (binary->blb, binary->bloblen + w);
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check_pointer(binary->blb);
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for (j = 0, i = binary->bloblen; i < binary->bloblen + w; i++, j++) {
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binary->blb[i] = VALID_BIT | (b[j] & 1);
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//fprintf (stderr, "blob[%d] = %d\n", i, binary->blb[i] & 1);
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@ -130,7 +140,7 @@ void append_field_to_blob (unsigned char b[], unsigned int w)
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binary->bloblen += w;
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}
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void set_bitfield(char *name, unsigned int value)
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static void set_bitfield(char *name, unsigned int value)
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{
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unsigned long long i;
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struct field *bf = getsym (name);
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@ -147,11 +157,12 @@ void set_bitfield(char *name, unsigned int value)
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}
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}
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void set_bitfield_array(char *name, unsigned int n, unsigned int value)
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static void set_bitfield_array(char *name, unsigned int n, unsigned int value)
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{
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unsigned int i;
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unsigned int len = strlen (name);
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unsigned long len = strlen (name);
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char *namen = (char *) malloc ((len + 9) * sizeof (char));
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check_pointer(namen);
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for (i = 0; i < n; i++) {
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snprintf (namen, len + 8, "%s%x", name, i);
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set_bitfield (namen, value);
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@ -159,7 +170,7 @@ void set_bitfield_array(char *name, unsigned int n, unsigned int value)
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free(namen);
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}
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void create_new_bitfield(char *name, unsigned int width)
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static void create_new_bitfield(char *name, unsigned int width)
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{
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struct field *bf;
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@ -167,11 +178,12 @@ void create_new_bitfield(char *name, unsigned int width)
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//fprintf(stderr, "Added bitfield `%s` : %d\n", bf->name, width);
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}
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void create_new_bitfields(char *name, unsigned int n, unsigned int width)
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static void create_new_bitfields(char *name, unsigned int n, unsigned int width)
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{
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unsigned int i;
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unsigned int len = strlen (name);
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unsigned long len = strlen (name);
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char *namen = (char *) malloc ((len + 9) * sizeof (char));
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check_pointer(namen);
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for (i = 0; i < n; i++) {
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snprintf (namen, len + 8, "%s%x", name, i);
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create_new_bitfield (namen, width);
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@ -186,7 +198,9 @@ struct field *putsym (char const *sym_name, unsigned int w)
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return 0;
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}
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struct field *ptr = (struct field *) malloc (sizeof (struct field));
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check_pointer(ptr);
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ptr->name = (char *) malloc (strlen (sym_name) + 1);
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check_pointer(ptr->name);
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strcpy (ptr->name, sym_name);
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ptr->width = w;
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ptr->value = 0;
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@ -211,7 +225,7 @@ struct field *getsym (char const *sym_name)
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return 0;
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}
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void dump_all_values (void)
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static void dump_all_values (void)
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{
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struct field *ptr;
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for (ptr = sym_table; ptr != (struct field *) 0;
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@ -223,7 +237,7 @@ void dump_all_values (void)
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}
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}
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void empty_field_table(void)
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static void empty_field_table(void)
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{
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struct field *ptr;
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struct field *ptrnext;
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@ -240,21 +254,23 @@ void empty_field_table(void)
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sym_table_tail = 0;
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}
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void create_binary_blob (void)
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static void create_binary_blob (void)
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{
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if (binary && binary->blb) {
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free(binary->blb);
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free(binary);
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}
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binary = (struct blob *) malloc (sizeof (struct blob));
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check_pointer(binary);
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binary->blb = (unsigned char *) malloc (sizeof (unsigned char));
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check_pointer(binary->blb);
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binary->bloblen = 0;
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binary->blb[0] = VALID_BIT;
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}
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void interpret_next_blob_value (struct field *f)
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static void interpret_next_blob_value (struct field *f)
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{
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int i;
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unsigned int i;
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unsigned int v = 0;
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if (binary->bloblen >= binary->lenactualblob * 8) {
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@ -270,7 +286,7 @@ void interpret_next_blob_value (struct field *f)
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}
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/* {}%BIN -> {} */
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void generate_setter_bitfields(unsigned char *bin)
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static void generate_setter_bitfields(unsigned char *bin)
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{
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unsigned int i;
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struct field *ptr;
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@ -295,7 +311,7 @@ void generate_setter_bitfields(unsigned char *bin)
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fprintf (fp, "\n}\n");
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}
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void generate_binary_with_gbe_checksum(void)
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static void generate_binary_with_gbe_checksum(void)
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{
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int i;
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unsigned short checksum;
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@ -367,7 +383,7 @@ void generate_binary_with_gbe_checksum(void)
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}
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/* {}{} -> BIN */
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void generate_binary(void)
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static void generate_binary(void)
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{
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unsigned int i;
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struct field *ptr;
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@ -775,8 +791,8 @@ static const yytype_uint8 yytranslate[] =
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/* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
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static const yytype_uint16 yyrline[] =
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{
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0, 383, 383, 385, 386, 391, 395, 396, 401, 402,
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406, 407, 411, 412, 417, 418, 422, 423
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0, 399, 399, 401, 402, 407, 411, 412, 417, 418,
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422, 423, 427, 428, 433, 434, 438, 439
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};
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#endif
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@ -1872,14 +1888,39 @@ void yyerror (char const *s)
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void set_input_string(char* in);
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/* This function parses a string */
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int parse_string(unsigned char* in) {
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static int parse_string(unsigned char* in) {
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set_input_string ((char *)in);
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return yyparse ();
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}
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static unsigned int loadfile (char *file, char *filetype,
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unsigned char **parsestring, unsigned int lenstr)
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{
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unsigned int lenfile;
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if ((fp = fopen(file, "r")) == NULL) {
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printf("Error: Could not open %s file: %s\n",filetype,file);
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exit(1);
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}
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fseek(fp, 0, SEEK_END);
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lenfile = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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if (lenstr == 0)
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*parsestring = (unsigned char *) malloc (lenfile + 2);
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else
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*parsestring = (unsigned char *) realloc (*parsestring,
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lenfile + lenstr);
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check_pointer(*parsestring);
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fread(*parsestring + lenstr, 1, lenfile, fp);
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fclose(fp);
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return lenfile;
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}
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int main (int argc, char *argv[])
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{
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unsigned int lenspec, lensetter;
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unsigned int lenspec;
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unsigned char *parsestring;
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unsigned char c;
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unsigned int pos = 0;
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@ -1895,70 +1936,43 @@ int main (int argc, char *argv[])
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/* Compile mode */
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/* Load Spec */
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fp = fopen(argv[1], "r");
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fseek(fp, 0, SEEK_END);
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lenspec = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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parsestring = (unsigned char *) malloc (lenspec);
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if (!parsestring) {
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printf("Out of memory\n");
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exit(1);
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}
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fread(parsestring, 1, lenspec, fp);
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fclose(fp);
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/* Load Setter */
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fp = fopen(argv[2], "r");
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fseek(fp, 0, SEEK_END);
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lensetter = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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parsestring = (unsigned char *) realloc (parsestring,
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lenspec + lensetter);
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if (!parsestring) {
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printf("Out of memory\n");
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exit(1);
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}
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fread(parsestring + lenspec, 1, lensetter, fp);
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fclose(fp);
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lenspec = loadfile(argv[1], "spec", &parsestring, 0);
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loadfile(argv[2], "setter", &parsestring, lenspec);
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/* Open output and parse string - output to fp */
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fp = fopen(argv[3], "wb");
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if ((fp = fopen(argv[3], "wb")) == NULL) {
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printf("Error: Could not open output file: %s\n",argv[3]);
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exit(1);
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}
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ret = parse_string(parsestring);
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free(parsestring);
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} else if (argc == 5 && strcmp (argv[1], "-d") == 0) {
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/* Decompile mode */
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/* Load Spec */
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fp = fopen(argv[2], "r");
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fseek(fp, 0, SEEK_END);
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lenspec = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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parsestring = (unsigned char *) malloc (lenspec + 1);
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fread(parsestring, 1, lenspec, fp);
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if (!parsestring) {
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printf("Out of memory\n");
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exit(1);
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}
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fclose(fp);
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lenspec = loadfile(argv[2], "spec", &parsestring, 0);
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/* Add binary read trigger token */
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parsestring[lenspec] = '%';
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parsestring[lenspec + 1] = '\0';
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/* Load Actual Binary */
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fp = fopen(argv[3], "rb");
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if ((fp = fopen(argv[3], "rb")) == NULL) {
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printf("Error: Could not open binary file: %s\n",argv[3]);
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exit(1);
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}
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fseek(fp, 0, SEEK_END);
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binary->lenactualblob = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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binary->actualblob = (unsigned char *) malloc (binary->lenactualblob);
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if (!binary->actualblob) {
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printf("Out of memory\n");
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exit(1);
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}
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check_pointer(binary->actualblob);
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fread(binary->actualblob, 1, binary->lenactualblob, fp);
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fclose(fp);
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/* Open output and parse - output to fp */
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fp = fopen(argv[4], "w");
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if ((fp = fopen(argv[4], "w")) == NULL) {
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printf("Error: Could not open output file: %s\n",argv[4]);
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exit(1);
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}
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ret = parse_string(parsestring);
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free(parsestring);
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free(binary->actualblob);
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@ -53,13 +53,22 @@ struct blob {
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struct blob *binary;
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unsigned char* value_to_bits (unsigned int v, unsigned int w)
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static void check_pointer (void *ptr)
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{
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if (ptr == NULL) {
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printf("Error: Out of memory\n");
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exit(1);
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}
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}
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static unsigned char* value_to_bits (unsigned int v, unsigned int w)
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{
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unsigned int i;
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unsigned char* bitarr;
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if (w > MAX_WIDTH) w = MAX_WIDTH;
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bitarr = (unsigned char *) malloc (w * sizeof (unsigned char));
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check_pointer(bitarr);
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memset (bitarr, 0, w);
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for (i = 0; i < w; i++) {
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@ -69,10 +78,11 @@ unsigned char* value_to_bits (unsigned int v, unsigned int w)
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}
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/* Store each bit of a bitfield in a new byte sequentially 0x80 or 0x81 */
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void append_field_to_blob (unsigned char b[], unsigned int w)
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static void append_field_to_blob (unsigned char b[], unsigned int w)
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{
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unsigned int i, j;
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binary->blb = (unsigned char *) realloc (binary->blb, binary->bloblen + w);
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check_pointer(binary->blb);
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for (j = 0, i = binary->bloblen; i < binary->bloblen + w; i++, j++) {
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binary->blb[i] = VALID_BIT | (b[j] & 1);
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//fprintf (stderr, "blob[%d] = %d\n", i, binary->blb[i] & 1);
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@ -80,7 +90,7 @@ void append_field_to_blob (unsigned char b[], unsigned int w)
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binary->bloblen += w;
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}
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void set_bitfield(char *name, unsigned int value)
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static void set_bitfield(char *name, unsigned int value)
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{
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unsigned long long i;
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struct field *bf = getsym (name);
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@ -97,11 +107,12 @@ void set_bitfield(char *name, unsigned int value)
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}
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}
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void set_bitfield_array(char *name, unsigned int n, unsigned int value)
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static void set_bitfield_array(char *name, unsigned int n, unsigned int value)
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{
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unsigned int i;
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unsigned int len = strlen (name);
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unsigned long len = strlen (name);
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char *namen = (char *) malloc ((len + 9) * sizeof (char));
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check_pointer(namen);
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for (i = 0; i < n; i++) {
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snprintf (namen, len + 8, "%s%x", name, i);
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set_bitfield (namen, value);
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@ -109,7 +120,7 @@ void set_bitfield_array(char *name, unsigned int n, unsigned int value)
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free(namen);
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}
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void create_new_bitfield(char *name, unsigned int width)
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static void create_new_bitfield(char *name, unsigned int width)
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{
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struct field *bf;
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@ -117,11 +128,12 @@ void create_new_bitfield(char *name, unsigned int width)
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//fprintf(stderr, "Added bitfield `%s` : %d\n", bf->name, width);
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}
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void create_new_bitfields(char *name, unsigned int n, unsigned int width)
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static void create_new_bitfields(char *name, unsigned int n, unsigned int width)
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{
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unsigned int i;
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unsigned int len = strlen (name);
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unsigned long len = strlen (name);
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char *namen = (char *) malloc ((len + 9) * sizeof (char));
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check_pointer(namen);
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for (i = 0; i < n; i++) {
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snprintf (namen, len + 8, "%s%x", name, i);
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create_new_bitfield (namen, width);
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@ -136,7 +148,9 @@ struct field *putsym (char const *sym_name, unsigned int w)
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return 0;
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}
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struct field *ptr = (struct field *) malloc (sizeof (struct field));
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check_pointer(ptr);
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ptr->name = (char *) malloc (strlen (sym_name) + 1);
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check_pointer(ptr->name);
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strcpy (ptr->name, sym_name);
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ptr->width = w;
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ptr->value = 0;
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@ -161,7 +175,7 @@ struct field *getsym (char const *sym_name)
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return 0;
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}
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void dump_all_values (void)
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static void dump_all_values (void)
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{
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struct field *ptr;
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for (ptr = sym_table; ptr != (struct field *) 0;
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@ -173,7 +187,7 @@ void dump_all_values (void)
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}
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}
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void empty_field_table(void)
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static void empty_field_table(void)
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{
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struct field *ptr;
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struct field *ptrnext;
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@ -190,21 +204,23 @@ void empty_field_table(void)
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sym_table_tail = 0;
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}
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void create_binary_blob (void)
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static void create_binary_blob (void)
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{
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if (binary && binary->blb) {
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free(binary->blb);
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free(binary);
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}
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binary = (struct blob *) malloc (sizeof (struct blob));
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check_pointer(binary);
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binary->blb = (unsigned char *) malloc (sizeof (unsigned char));
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check_pointer(binary->blb);
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binary->bloblen = 0;
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binary->blb[0] = VALID_BIT;
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}
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void interpret_next_blob_value (struct field *f)
|
||||
static void interpret_next_blob_value (struct field *f)
|
||||
{
|
||||
int i;
|
||||
unsigned int i;
|
||||
unsigned int v = 0;
|
||||
|
||||
if (binary->bloblen >= binary->lenactualblob * 8) {
|
||||
|
|
@ -220,7 +236,7 @@ void interpret_next_blob_value (struct field *f)
|
|||
}
|
||||
|
||||
/* {}%BIN -> {} */
|
||||
void generate_setter_bitfields(unsigned char *bin)
|
||||
static void generate_setter_bitfields(unsigned char *bin)
|
||||
{
|
||||
unsigned int i;
|
||||
struct field *ptr;
|
||||
|
|
@ -245,7 +261,7 @@ void generate_setter_bitfields(unsigned char *bin)
|
|||
fprintf (fp, "\n}\n");
|
||||
}
|
||||
|
||||
void generate_binary_with_gbe_checksum(void)
|
||||
static void generate_binary_with_gbe_checksum(void)
|
||||
{
|
||||
int i;
|
||||
unsigned short checksum;
|
||||
|
|
@ -317,7 +333,7 @@ void generate_binary_with_gbe_checksum(void)
|
|||
}
|
||||
|
||||
/* {}{} -> BIN */
|
||||
void generate_binary(void)
|
||||
static void generate_binary(void)
|
||||
{
|
||||
unsigned int i;
|
||||
struct field *ptr;
|
||||
|
|
@ -435,14 +451,39 @@ void yyerror (char const *s)
|
|||
void set_input_string(char* in);
|
||||
|
||||
/* This function parses a string */
|
||||
int parse_string(unsigned char* in) {
|
||||
static int parse_string(unsigned char* in) {
|
||||
set_input_string ((char *)in);
|
||||
return yyparse ();
|
||||
}
|
||||
|
||||
static unsigned int loadfile (char *file, char *filetype,
|
||||
unsigned char **parsestring, unsigned int lenstr)
|
||||
{
|
||||
unsigned int lenfile;
|
||||
|
||||
if ((fp = fopen(file, "r")) == NULL) {
|
||||
printf("Error: Could not open %s file: %s\n",filetype,file);
|
||||
exit(1);
|
||||
}
|
||||
fseek(fp, 0, SEEK_END);
|
||||
lenfile = ftell(fp);
|
||||
fseek(fp, 0, SEEK_SET);
|
||||
|
||||
if (lenstr == 0)
|
||||
*parsestring = (unsigned char *) malloc (lenfile + 2);
|
||||
else
|
||||
*parsestring = (unsigned char *) realloc (*parsestring,
|
||||
lenfile + lenstr);
|
||||
|
||||
check_pointer(*parsestring);
|
||||
fread(*parsestring + lenstr, 1, lenfile, fp);
|
||||
fclose(fp);
|
||||
return lenfile;
|
||||
}
|
||||
|
||||
int main (int argc, char *argv[])
|
||||
{
|
||||
unsigned int lenspec, lensetter;
|
||||
unsigned int lenspec;
|
||||
unsigned char *parsestring;
|
||||
unsigned char c;
|
||||
unsigned int pos = 0;
|
||||
|
|
@ -458,70 +499,43 @@ int main (int argc, char *argv[])
|
|||
/* Compile mode */
|
||||
|
||||
/* Load Spec */
|
||||
fp = fopen(argv[1], "r");
|
||||
fseek(fp, 0, SEEK_END);
|
||||
lenspec = ftell(fp);
|
||||
fseek(fp, 0, SEEK_SET);
|
||||
parsestring = (unsigned char *) malloc (lenspec);
|
||||
if (!parsestring) {
|
||||
printf("Out of memory\n");
|
||||
exit(1);
|
||||
}
|
||||
fread(parsestring, 1, lenspec, fp);
|
||||
fclose(fp);
|
||||
|
||||
/* Load Setter */
|
||||
fp = fopen(argv[2], "r");
|
||||
fseek(fp, 0, SEEK_END);
|
||||
lensetter = ftell(fp);
|
||||
fseek(fp, 0, SEEK_SET);
|
||||
parsestring = (unsigned char *) realloc (parsestring,
|
||||
lenspec + lensetter);
|
||||
if (!parsestring) {
|
||||
printf("Out of memory\n");
|
||||
exit(1);
|
||||
}
|
||||
fread(parsestring + lenspec, 1, lensetter, fp);
|
||||
fclose(fp);
|
||||
lenspec = loadfile(argv[1], "spec", &parsestring, 0);
|
||||
loadfile(argv[2], "setter", &parsestring, lenspec);
|
||||
|
||||
/* Open output and parse string - output to fp */
|
||||
fp = fopen(argv[3], "wb");
|
||||
if ((fp = fopen(argv[3], "wb")) == NULL) {
|
||||
printf("Error: Could not open output file: %s\n",argv[3]);
|
||||
exit(1);
|
||||
}
|
||||
ret = parse_string(parsestring);
|
||||
free(parsestring);
|
||||
} else if (argc == 5 && strcmp (argv[1], "-d") == 0) {
|
||||
/* Decompile mode */
|
||||
|
||||
/* Load Spec */
|
||||
fp = fopen(argv[2], "r");
|
||||
fseek(fp, 0, SEEK_END);
|
||||
lenspec = ftell(fp);
|
||||
fseek(fp, 0, SEEK_SET);
|
||||
parsestring = (unsigned char *) malloc (lenspec + 1);
|
||||
fread(parsestring, 1, lenspec, fp);
|
||||
if (!parsestring) {
|
||||
printf("Out of memory\n");
|
||||
exit(1);
|
||||
}
|
||||
fclose(fp);
|
||||
lenspec = loadfile(argv[2], "spec", &parsestring, 0);
|
||||
|
||||
/* Add binary read trigger token */
|
||||
parsestring[lenspec] = '%';
|
||||
parsestring[lenspec + 1] = '\0';
|
||||
|
||||
/* Load Actual Binary */
|
||||
fp = fopen(argv[3], "rb");
|
||||
if ((fp = fopen(argv[3], "rb")) == NULL) {
|
||||
printf("Error: Could not open binary file: %s\n",argv[3]);
|
||||
exit(1);
|
||||
}
|
||||
fseek(fp, 0, SEEK_END);
|
||||
binary->lenactualblob = ftell(fp);
|
||||
fseek(fp, 0, SEEK_SET);
|
||||
binary->actualblob = (unsigned char *) malloc (binary->lenactualblob);
|
||||
if (!binary->actualblob) {
|
||||
printf("Out of memory\n");
|
||||
exit(1);
|
||||
}
|
||||
check_pointer(binary->actualblob);
|
||||
fread(binary->actualblob, 1, binary->lenactualblob, fp);
|
||||
fclose(fp);
|
||||
|
||||
/* Open output and parse - output to fp */
|
||||
fp = fopen(argv[4], "w");
|
||||
if ((fp = fopen(argv[4], "w")) == NULL) {
|
||||
printf("Error: Could not open output file: %s\n",argv[4]);
|
||||
exit(1);
|
||||
}
|
||||
ret = parse_string(parsestring);
|
||||
free(parsestring);
|
||||
free(binary->actualblob);
|
||||
|
|
|
|||
Loading…
Reference in New Issue