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1 #!/usr/bin/python | 1 #!/usr/bin/python |
2 # Copyright (c) 2012 The Native Client Authors. All rights reserved. | 2 # Copyright (c) 2012 The Native Client Authors. All rights reserved. |
3 # Use of this source code is governed by a BSD-style license that can be | 3 # Use of this source code is governed by a BSD-style license that can be |
4 # found in the LICENSE file. | 4 # found in the LICENSE file. |
5 # | 5 # |
6 # This script produces wrapped versions of syscall implementation | 6 # This script produces wrapped versions of syscall implementation |
7 # functions. The wrappers extract syscall arguments from where the | 7 # functions. The wrappers extract syscall arguments from where the |
8 # syscall trampoline saves them. | 8 # syscall trampoline saves them. |
9 # | 9 # |
10 # Note that NaCl modules are always ILP32 and compiled with a | 10 # Note that NaCl modules are always ILP32 and compiled with a |
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31 */ | 31 */ |
32 | 32 |
33 #include "native_client/src/trusted/service_runtime/nacl_syscall_common.h" | 33 #include "native_client/src/trusted/service_runtime/nacl_syscall_common.h" |
34 #include "native_client/src/trusted/service_runtime/sys_exception.h" | 34 #include "native_client/src/trusted/service_runtime/sys_exception.h" |
35 #include "native_client/src/trusted/service_runtime/sys_fdio.h" | 35 #include "native_client/src/trusted/service_runtime/sys_fdio.h" |
36 #include "native_client/src/trusted/service_runtime/sys_filename.h" | 36 #include "native_client/src/trusted/service_runtime/sys_filename.h" |
37 #include "native_client/src/trusted/service_runtime/sys_imc.h" | 37 #include "native_client/src/trusted/service_runtime/sys_imc.h" |
38 #include "native_client/src/trusted/service_runtime/sys_list_mappings.h" | 38 #include "native_client/src/trusted/service_runtime/sys_list_mappings.h" |
39 #include "native_client/src/trusted/service_runtime/sys_memory.h" | 39 #include "native_client/src/trusted/service_runtime/sys_memory.h" |
40 #include "native_client/src/trusted/service_runtime/sys_parallel_io.h" | 40 #include "native_client/src/trusted/service_runtime/sys_parallel_io.h" |
| 41 #include "native_client/src/trusted/service_runtime/sys_random.h" |
41 | 42 |
42 """ | 43 """ |
43 | 44 |
44 | 45 |
45 TABLE_INITIALIZER = """\ | 46 TABLE_INITIALIZER = """\ |
46 | 47 |
47 /* auto generated */ | 48 /* auto generated */ |
48 | 49 |
49 void NaClSyscallTableInit() { | 50 void NaClSyscallTableInit() { |
50 int i; | 51 int i; |
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207 ['uint32_t handler_addr', 'uint32_t old_handler']), | 208 ['uint32_t handler_addr', 'uint32_t old_handler']), |
208 ('NACL_sys_exception_stack', 'NaClSysExceptionStack', | 209 ('NACL_sys_exception_stack', 'NaClSysExceptionStack', |
209 ['uint32_t stack_addr', 'uint32_t stack_size']), | 210 ['uint32_t stack_addr', 'uint32_t stack_size']), |
210 ('NACL_sys_exception_clear_flag', 'NaClSysExceptionClearFlag', []), | 211 ('NACL_sys_exception_clear_flag', 'NaClSysExceptionClearFlag', []), |
211 ('NACL_sys_test_infoleak', 'NaClSysTestInfoLeak', []), | 212 ('NACL_sys_test_infoleak', 'NaClSysTestInfoLeak', []), |
212 ('NACL_sys_test_crash', 'NaClSysTestCrash', ['int crash_type']), | 213 ('NACL_sys_test_crash', 'NaClSysTestCrash', ['int crash_type']), |
213 ('NACL_sys_futex_wait_abs', 'NaClSysFutexWaitAbs', | 214 ('NACL_sys_futex_wait_abs', 'NaClSysFutexWaitAbs', |
214 ['uint32_t addr', 'uint32_t value', 'uint32_t abstime_ptr']), | 215 ['uint32_t addr', 'uint32_t value', 'uint32_t abstime_ptr']), |
215 ('NACL_sys_futex_wake', 'NaClSysFutexWake', | 216 ('NACL_sys_futex_wake', 'NaClSysFutexWake', |
216 ['uint32_t addr', 'uint32_t nwake']), | 217 ['uint32_t addr', 'uint32_t nwake']), |
| 218 ('NACL_sys_get_random_bytes', 'NaClSysGetRandomBytes', |
| 219 ['uint32_t buf_addr', 'uint32_t buf_size']), |
217 ] | 220 ] |
218 | 221 |
219 | 222 |
220 # Syscall arguments MUST be declared in a simple-to-parse manner! | 223 # Syscall arguments MUST be declared in a simple-to-parse manner! |
221 # They must match the following regexp: | 224 # They must match the following regexp: |
222 | 225 |
223 ARG_RE = r'\s*((\w+\s+)+\**)\s*(\w+)' | 226 ARG_RE = r'\s*((\w+\s+)+\**)\s*(\w+)' |
224 | 227 |
225 # where matchobj.group(1) is the type, and matchobj.group(3) is the | 228 # where matchobj.group(1) is the type, and matchobj.group(3) is the |
226 # identifer. | 229 # identifer. |
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350 protos = SYSCALL_LIST | 353 protos = SYSCALL_LIST |
351 print >>output_dst, data | 354 print >>output_dst, data |
352 PrintImplSkel(arch, protos, output_dst) | 355 PrintImplSkel(arch, protos, output_dst) |
353 PrintSyscallTableInitializer(protos, output_dst) | 356 PrintSyscallTableInitializer(protos, output_dst) |
354 | 357 |
355 return 0 | 358 return 0 |
356 | 359 |
357 | 360 |
358 if __name__ == '__main__': | 361 if __name__ == '__main__': |
359 sys.exit(main(sys.argv)) | 362 sys.exit(main(sys.argv)) |
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