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#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0-or-later
import os, sys, xml.etree.ElementTree
def writeliteral(indent, bytes):
sys.stdout.write(' ' * indent)
sys.stdout.write('"')
quoted = True
for c in bytes:
if not quoted:
sys.stdout.write('\n')
sys.stdout.write(' ' * indent)
sys.stdout.write('"')
quoted = True
if c == b'"'[0]:
sys.stdout.write('\\"')
elif c == b'\\'[0]:
sys.stdout.write('\\\\')
elif c == b'\n'[0]:
sys.stdout.write('\\n"')
quoted = False
elif c >= 32 and c < 127:
sys.stdout.write(c.to_bytes(1, 'big').decode())
else:
sys.stdout.write(f'\{c:03o}')
if quoted:
sys.stdout.write('"')
sys.stdout.write('#include "qemu/osdep.h"\n' \
'#include "exec/gdbstub.h"\n' \
'\n'
'const GDBFeature gdb_static_features[] = {\n')
for input in sys.argv[1:]:
with open(input, 'rb') as file:
read = file.read()
parser = xml.etree.ElementTree.XMLPullParser(['start', 'end'])
parser.feed(read)
events = parser.read_events()
event, element = next(events)
if event != 'start':
sys.stderr.write(f'unexpected event: {event}\n')
exit(1)
if element.tag != 'feature':
sys.stderr.write(f'unexpected start tag: {element.tag}\n')
exit(1)
feature_name = element.attrib['name']
regnum = 0
regnames = []
regnums = []
tags = ['feature']
for event, element in events:
if event == 'end':
if element.tag != tags[len(tags) - 1]:
sys.stderr.write(f'unexpected end tag: {element.tag}\n')
exit(1)
tags.pop()
if element.tag == 'feature':
break
elif event == 'start':
if len(tags) < 2 and element.tag == 'reg':
if 'regnum' in element.attrib:
regnum = int(element.attrib['regnum'])
regnames.append(element.attrib['name'])
regnums.append(regnum)
regnum += 1
tags.append(element.tag)
else:
raise Exception(f'unexpected event: {event}\n')
if len(tags):
sys.stderr.write('unterminated feature tag\n')
exit(1)
base_reg = min(regnums)
num_regs = max(regnums) - base_reg + 1 if len(regnums) else 0
sys.stdout.write(' {\n')
writeliteral(8, bytes(os.path.basename(input), 'utf-8'))
sys.stdout.write(',\n')
writeliteral(8, read)
sys.stdout.write(',\n')
writeliteral(8, bytes(feature_name, 'utf-8'))
sys.stdout.write(',\n (const char * const []) {\n')
for index, regname in enumerate(regnames):
sys.stdout.write(f' [{regnums[index] - base_reg}] =\n')
writeliteral(16, bytes(regname, 'utf-8'))
sys.stdout.write(',\n')
sys.stdout.write(f' }},\n {num_regs},\n }},\n')
sys.stdout.write(' { NULL }\n};\n')
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