dist/libbacktrace/elf.c

1053   const unsigned char *pin;
1060   pin = *ppin;
1063   if (unlikely (pinend - pin < 4))
1074   next = *(const uint32_t *)pin;
1080   next = pin[0] | (pin[1] << 8) | (pin[2] << 16) | (pin[3] << 24);
1085   pin += 4;
1088   __builtin_prefetch (pin, 0, 0);
1090   *ppin = pin;
1643 elf_zlib_inflate (const unsigned char *pin, size_t sin, uint16_t *zdebug_table,
1654   pinend = pin + sin;
1656   while ((pinend - pin) > 4)
1664       if (unlikely ((pin[0] & 0xf) != 8)) /* 8 is zlib encoding.  */
1670       if (unlikely ((pin[0] >> 4) > 7))
1677       if (unlikely ((pin[1] & 0x20) != 0))
1684       val = (pin[0] << 8) | pin[1];
1691       pin += 2;
1697       while ((((uintptr_t) pin) & 3) != 0)
1699 	  val |= (uint64_t)*pin << bits;
1701 	  ++pin;
1714 	  if (!elf_zlib_fetch (&pin, pinend, &val, &bits))
1739 		  --pin;
1745 	      if (unlikely ((pinend - pin) < 4))
1751 	      len = pin[0] | (pin[1] << 8);
1752 	      lenc = pin[2] | (pin[3] << 8);
1753 	      pin += 4;
1761 	      if (unlikely (len > (unsigned int) (pinend - pin)
1768 	      memcpy (pout, pin, len);
1770 	      pin += len;
1773 	      while ((((uintptr_t) pin) & 3) != 0)
1775 		  val |= (uint64_t)*pin << bits;
1777 		  ++pin;
1802 	      if (!elf_zlib_fetch (&pin, pinend, &val, &bits))
1827 	      if (!elf_zlib_fetch (&pin, pinend, &val, &bits))
1847 	      if (!elf_zlib_fetch (&pin, pinend, &val, &bits))
1885 	      if (!elf_zlib_fetch (&pin, pinend, &val, &bits))
1923 	      if (!elf_zlib_fetch (&pin, pinend, &val, &bits))
1971 		  if (!elf_zlib_fetch (&pin, pinend, &val, &bits))
2139 	      if (!elf_zlib_fetch (&pin, pinend, &val, &bits))
2201 		      if (!elf_zlib_fetch (&pin, pinend, &val, &bits))
2216 		  if (!elf_zlib_fetch (&pin, pinend, &val, &bits))
2273 			  if (!elf_zlib_fetch (&pin, pinend, &val, &bits))
2467 elf_zlib_inflate_and_verify (const unsigned char *pin, size_t sin,
2471   if (!elf_zlib_inflate (pin, sin, zdebug_table, pout, sout))
2473   if (!elf_zlib_verify_checksum (pin + sin - 4, pout, sout))