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added marker definition to marker_utils

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Julian Hammer
2019-10-25 13:16:24 +02:00
parent af0c8fc953
commit 0ecc656055
1 changed files with 30 additions and 1 deletions
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31
osaca/semantics/marker_utils.py
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@@ -1,7 +1,7 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
from collections import OrderedDict from collections import OrderedDict
from osaca.parser import ParserAArch64v81, ParserX86ATT from osaca.parser import get_parser, ParserAArch64v81, ParserX86ATT
def reduce_to_section(kernel, isa): def reduce_to_section(kernel, isa):
@@ -31,6 +31,35 @@ def find_marked_kernel_x86ATT(lines):
return find_marked_section(lines, ParserX86ATT(), ['mov', 'movl'], 'ebx', [111, 222], nop_bytes) return find_marked_section(lines, ParserX86ATT(), ['mov', 'movl'], 'ebx', [111, 222], nop_bytes)
def get_marker(isa):
"""Return tuple of start and end marker lines."""
if isa == 'x86':
start_marker_raw = (
'movl $111, %ebx # OSACA START MARKER\n'
'.byte 100 # OSACA START MARKER\n'
'.byte 103 # OSACA START MARKER\n'
'.byte 144 # OSACA START MARKER\n')
end_marker_raw = (
'movl $222, %ebx # OSACA END MARKER\n'
'.byte 100 # OSACA END MARKER\n'
'.byte 103 # OSACA END MARKER\n'
'.byte 144 # OSACA END MARKER\n')
elif isa == 'AArch64':
start_marker_raw = (
'mov x1, #111 // OSACA START MARKER\n'
'.byte 213,3,32,31 // OSACA START MARKER\n')
# After loop
end_marker_raw = (
'mov x1, #222 // OSACA END MARKER\n'
'.byte 213,3,32,31 // OSACA END MARKER\n')
parser = get_parser(isa)
start_marker = parser.parse_file(start_marker_raw)
end_marker = parser.parse_file(end_marker_raw)
return start_marker, end_marker
def find_marked_section(lines, parser, mov_instr, mov_reg, mov_vals, nop_bytes, reverse=False): def find_marked_section(lines, parser, mov_instr, mov_reg, mov_vals, nop_bytes, reverse=False):
index_start = -1 index_start = -1
index_end = -1 index_end = -1