llvm/test/Scripts/common_dump.py
Rafael Espindola 5c4e52e496 Fix the bitwidth of the remaining fields.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136884 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-04 17:00:11 +00:00

49 lines
1.4 KiB
Python

def dataToHex(d):
""" Convert the raw data in 'd' to an hex string with a space every 4 bytes.
"""
bytes = []
for i,c in enumerate(d):
byte = ord(c)
hex_byte = hex(byte)[2:]
if byte <= 0xf:
hex_byte = '0' + hex_byte
if i % 4 == 3:
hex_byte += ' '
bytes.append(hex_byte)
return ''.join(bytes).strip()
def dataToHexUnified(d):
""" Convert the raw data in 'd' to an hex string with a space every 4 bytes.
Each 4byte number is prefixed with 0x for easy sed/rx
Fixme: convert all MC tests to use this routine instead of the above
"""
bytes = []
for i,c in enumerate(d):
byte = ord(c)
hex_byte = hex(byte)[2:]
if byte <= 0xf:
hex_byte = '0' + hex_byte
if i % 4 == 0:
hex_byte = '0x' + hex_byte
if i % 4 == 3:
hex_byte += ' '
bytes.append(hex_byte)
return ''.join(bytes).strip()
def HexDump(valPair):
"""
1. do not print 'L'
2. Handle negatives and large numbers by mod (2^numBits)
3. print fixed length, prepend with zeros.
Length is exactly 2+(numBits/4)
4. Do print 0x Why?
so that they can be easily distinguished using sed/rx
"""
val, numBits = valPair
assert 0 <= val < (1 << numBits)
val = val & (( 1 << numBits) - 1)
newFmt = "0x%0" + "%d" % (numBits / 4) + "x"
return newFmt % val