return ret;
}
-static int read_expected_warn(enum event_type expect, const char *str, bool warn)
-{
- return __read_expected(expect, str, 1, warn);
-}
-
static int read_expected(enum event_type expect, const char *str)
{
return __read_expected(expect, str, 1, true);
if (!field)
return NULL;
- if (field->flags & FIELD_IS_STRING) {
+ if (field->flags & FIELD_IS_DYNAMIC) {
int offset;
offset = *(int *)(data + field->offset);
}
}
-static void parse_header_field(const char *field,
- int *offset, int *size, bool warn)
-{
- char *token;
- int type;
-
- if (read_expected(EVENT_ITEM, "field") < 0)
- return;
- if (read_expected(EVENT_OP, ":") < 0)
- return;
-
- /* type */
- if (read_expect_type(EVENT_ITEM, &token) < 0)
- goto fail;
- free_token(token);
-
- if (read_expected_warn(EVENT_ITEM, field, warn) < 0)
- return;
- if (read_expected(EVENT_OP, ";") < 0)
- return;
- if (read_expected(EVENT_ITEM, "offset") < 0)
- return;
- if (read_expected(EVENT_OP, ":") < 0)
- return;
- if (read_expect_type(EVENT_ITEM, &token) < 0)
- goto fail;
- *offset = atoi(token);
- free_token(token);
- if (read_expected(EVENT_OP, ";") < 0)
- return;
- if (read_expected(EVENT_ITEM, "size") < 0)
- return;
- if (read_expected(EVENT_OP, ":") < 0)
- return;
- if (read_expect_type(EVENT_ITEM, &token) < 0)
- goto fail;
- *size = atoi(token);
- free_token(token);
- if (read_expected(EVENT_OP, ";") < 0)
- return;
- type = read_token(&token);
- if (type != EVENT_NEWLINE) {
- /* newer versions of the kernel have a "signed" type */
- if (type != EVENT_ITEM)
- goto fail;
-
- if (strcmp(token, "signed") != 0)
- goto fail;
-
- free_token(token);
-
- if (read_expected(EVENT_OP, ":") < 0)
- return;
-
- if (read_expect_type(EVENT_ITEM, &token))
- goto fail;
-
- free_token(token);
- if (read_expected(EVENT_OP, ";") < 0)
- return;
-
- if (read_expect_type(EVENT_NEWLINE, &token))
- goto fail;
- }
- fail:
- free_token(token);
-}
-
-int parse_header_page(char *buf, unsigned long size)
-{
- init_input_buf(buf, size);
-
- parse_header_field("timestamp", &header_page_ts_offset,
- &header_page_ts_size, true);
- parse_header_field("commit", &header_page_size_offset,
- &header_page_size_size, true);
- parse_header_field("overwrite", &header_page_overwrite_offset,
- &header_page_overwrite_size, false);
- parse_header_field("data", &header_page_data_offset,
- &header_page_data_size, true);
-
- return 0;
-}
-
int parse_ftrace_file(char *buf, unsigned long size)
{
struct format_field *field;