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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| 
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| import os, sys, xml.etree.ElementTree
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| 
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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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| 
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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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| 
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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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| 
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|     if quoted:
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|         sys.stdout.write('"')
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     sys.stdout.write(f'        }},\n        {num_regs},\n    }},\n')
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| 
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| sys.stdout.write('    { NULL }\n};\n')
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