These members will be used to help plugins to identify registers. The added members in instances of GDBFeature dynamically generated by CPUs will be filled in later changes. Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> Message-Id: <20231213-gdb-v17-10-777047380591@daynix.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20240227144335.1196131-15-alex.bennee@linaro.org>
		
			
				
	
	
		
			103 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0-or-later
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import os, sys, xml.etree.ElementTree
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def writeliteral(indent, bytes):
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    sys.stdout.write(' ' * indent)
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    sys.stdout.write('"')
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    quoted = True
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    for c in bytes:
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        if not quoted:
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            sys.stdout.write('\n')
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            sys.stdout.write(' ' * indent)
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            sys.stdout.write('"')
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            quoted = True
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        if c == b'"'[0]:
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            sys.stdout.write('\\"')
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        elif c == b'\\'[0]:
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            sys.stdout.write('\\\\')
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        elif c == b'\n'[0]:
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            sys.stdout.write('\\n"')
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            quoted = False
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        elif c >= 32 and c < 127:
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            sys.stdout.write(c.to_bytes(1, 'big').decode())
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        else:
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            sys.stdout.write(f'\{c:03o}')
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    if quoted:
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        sys.stdout.write('"')
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sys.stdout.write('#include "qemu/osdep.h"\n' \
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                 '#include "exec/gdbstub.h"\n' \
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                 '\n'
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                 'const GDBFeature gdb_static_features[] = {\n')
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for input in sys.argv[1:]:
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    with open(input, 'rb') as file:
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        read = file.read()
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    parser = xml.etree.ElementTree.XMLPullParser(['start', 'end'])
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    parser.feed(read)
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    events = parser.read_events()
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    event, element = next(events)
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    if event != 'start':
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        sys.stderr.write(f'unexpected event: {event}\n')
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        exit(1)
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    if element.tag != 'feature':
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        sys.stderr.write(f'unexpected start tag: {element.tag}\n')
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        exit(1)
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    feature_name = element.attrib['name']
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    regnum = 0
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    regnames = []
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    regnums = []
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    tags = ['feature']
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    for event, element in events:
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        if event == 'end':
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            if element.tag != tags[len(tags) - 1]:
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                sys.stderr.write(f'unexpected end tag: {element.tag}\n')
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                exit(1)
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            tags.pop()
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            if element.tag == 'feature':
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                break
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        elif event == 'start':
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            if len(tags) < 2 and element.tag == 'reg':
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                if 'regnum' in element.attrib:
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                    regnum = int(element.attrib['regnum'])
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                regnames.append(element.attrib['name'])
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                regnums.append(regnum)
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                regnum += 1
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            tags.append(element.tag)
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        else:
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            raise Exception(f'unexpected event: {event}\n')
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    if len(tags):
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        sys.stderr.write('unterminated feature tag\n')
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        exit(1)
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    base_reg = min(regnums)
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    num_regs = max(regnums) - base_reg + 1 if len(regnums) else 0
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    sys.stdout.write('    {\n')
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    writeliteral(8, bytes(os.path.basename(input), 'utf-8'))
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    sys.stdout.write(',\n')
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    writeliteral(8, read)
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    sys.stdout.write(',\n')
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    writeliteral(8, bytes(feature_name, 'utf-8'))
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    sys.stdout.write(',\n        (const char * const []) {\n')
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    for index, regname in enumerate(regnames):
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        sys.stdout.write(f'            [{regnums[index] - base_reg}] =\n')
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        writeliteral(16, bytes(regname, 'utf-8'))
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        sys.stdout.write(',\n')
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    sys.stdout.write(f'        }},\n        {num_regs},\n    }},\n')
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sys.stdout.write('    { NULL }\n};\n')
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