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| #include <libunwind.h>
|
| unw_word_t
| _ReadSLEB (unsigned char **dpp)
| {
| unsigned shift = 0;
| unw_word_t byte, result = 0;
| unsigned char *bp = *dpp;
|
| while (1)
| {
| byte = *bp++;
| result |= (byte & 0x7f) << shift;
| shift += 7;
| if ((byte & 0x80) == 0)
| break;
| }
|
| if (shift < 8 * sizeof (unw_word_t) && (byte & 0x40) != 0)
| /* sign-extend negative value */
| result |= ((unw_word_t) -1) << shift;
|
| *dpp = bp;
| return result;
| }
|
|
