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1 | m4_dnl hsyscalls.i4 |
2 | m4_dnl (part of complex test harness, not of the library) |
3 | m4_dnl - list of syscalls to override/log and their args |
4 | |
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5 | m4_dnl This file is |
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6 | m4_dnl Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk> |
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7 | m4_dnl |
8 | m4_dnl It is part of adns, which is |
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9 | m4_dnl Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk> |
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10 | m4_dnl Copyright (C) 1999-2000 Tony Finch <dot@dotat.at> |
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11 | m4_dnl |
12 | m4_dnl This program is free software; you can redistribute it and/or modify |
13 | m4_dnl it under the terms of the GNU General Public License as published by |
14 | m4_dnl the Free Software Foundation; either version 2, or (at your option) |
15 | m4_dnl any later version. |
16 | m4_dnl |
17 | m4_dnl This program is distributed in the hope that it will be useful, |
18 | m4_dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | m4_dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
20 | m4_dnl GNU General Public License for more details. |
21 | m4_dnl |
22 | m4_dnl You should have received a copy of the GNU General Public License |
23 | m4_dnl along with this program; if not, write to the Free Software Foundation, |
24 | m4_dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
25 | |
26 | m4_dnl each system call has |
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27 | m4_dnl hm_syscall(<name>,<returnvalue>,<args>) |
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28 | m4_dnl <returnvalue> is one of |
29 | m4_dnl hm_rv_must must succeed and return 0 |
30 | m4_dnl hm_rv_any any nonnegative return allowed, -1 means see errno |
31 | m4_dnl hm_rv_fd file descriptor is returned, -1 means see errno |
32 | m4_dnl hm_rv_succfail returns 0 (ok) or -1 (see errno) |
33 | m4_dnl hm_rv_len(<max>) returns length read/written, must be <=max, -1 => errno |
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34 | m4_dnl hm_rv_fcntl syscall is fcntl, do special processing |
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35 | m4_dnl <args> is list of macros for arguments, each followed by hm_na |
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36 | m4_dnl hm_arg_nullptr(<type>,<arg>) pointer of type type, must be null |
37 | m4_dnl hm_arg_int(<arg>) signed integer |
38 | m4_dnl hm_arg_fdset_io(<arg>,<max>) fd_set, max bit set is in max |
39 | m4_dnl hm_arg_timeval_in_rel_null(<t>) struct timeval*, pass in, relative, may be null |
40 | m4_dnl hm_arg_must(<type>,<arg>,<val>) must have correct value, or abort test |
41 | m4_dnl hm_arg_socktype(<arg>) SOCK_STREAM or SOCK_DGRAM (an int) |
42 | m4_dnl hm_arg_ign(<type>,<arg>) input parameter ignored |
43 | m4_dnl hm_arg_fd(<arg>) fd |
44 | m4_dnl hm_arg_fcntl_cmd_arg(<ca>,<aa>) syscall is fcntl, do special processing |
45 | m4_dnl hm_arg_addr_in(<arg>,<len>) struct sockaddr*, length given by <len> (an int) |
46 | m4_dnl hm_arg_bytes_in(<objtype>,<objarg>,<lentype>,<lenarg>) |
47 | m4_dnl some data from caller; <objarg> is of type pointer to const <objtype> |
48 | m4_dnl and points to <lenarg> bytes (<lenarg> is of type <lentype>) |
49 | m4_dnl hm_arg_bytes_out(<objtype>,<objarg>,<lentype>,<buflenarg>) |
50 | m4_dnl buffer for data from syscall; <objarg> is of type pointer to const <objtype> |
51 | m4_dnl and points to at least <lenarg> bytes (<lenarg> is of type <lentype>) |
52 | m4_dnl return value from syscall is supposed to be returned length |
53 | m4_dnl hm_arg_addr_out(<arg>,<lenptr>) struct sockaddr*, length io at <lenptr> (an int*) |
54 | |
55 | hm_syscall( |
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56 | select, `hm_rv_any', ` |
57 | hm_arg_int(max) hm_na |
58 | hm_arg_fdset_io(rfds,max) hm_na |
59 | hm_arg_fdset_io(wfds,max) hm_na |
60 | hm_arg_fdset_io(efds,max) hm_na |
61 | hm_arg_timeval_in_rel_null(to) hm_na |
62 | ') |
63 | |
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64 | #ifdef HAVE_POLL |
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65 | hm_syscall( |
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66 | poll, `hm_rv_any', ` |
67 | hm_arg_pollfds_io(fds,nfds) hm_na |
68 | hm_arg_int(timeout) hm_na |
69 | ') |
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70 | #endif |
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71 | |
72 | hm_syscall( |
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73 | socket, `hm_rv_fd', ` |
74 | hm_arg_must(int,domain,AF_INET) hm_na |
75 | hm_arg_socktype(type) hm_na |
76 | hm_arg_ign(int,protocol) hm_na |
77 | ') |
78 | |
79 | hm_syscall( |
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80 | fcntl, `hm_rv_fcntl', ` |
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81 | hm_arg_fd(fd) hm_na |
82 | hm_arg_fcntl_cmd_arg(cmd,arg) hm_na |
83 | ') |
84 | |
85 | hm_syscall( |
86 | connect, `hm_rv_succfail', ` |
87 | hm_arg_fd(fd) hm_na |
88 | hm_arg_addr_in(addr,addrlen) hm_na |
89 | ') |
90 | |
91 | hm_syscall( |
92 | close, `hm_rv_succfail', ` |
93 | hm_arg_fd(fd) hm_na |
94 | ') |
95 | |
96 | hm_syscall( |
97 | sendto, `hm_rv_any', ` |
98 | hm_arg_fd(fd) hm_na |
99 | hm_arg_bytes_in(void,msg,int,msglen) hm_na |
100 | hm_arg_must(unsigned int,flags,0) hm_na |
101 | hm_arg_addr_in(addr,addrlen) hm_na |
102 | ') |
103 | |
104 | hm_syscall( |
105 | recvfrom, `hm_rv_len(buflen)', ` |
106 | hm_arg_fd(fd) hm_na |
107 | hm_arg_bytes_out(void,buf,int,buflen) hm_na |
108 | hm_arg_must(unsigned int,flags,0) hm_na |
109 | hm_arg_addr_out(addr,addrlen) hm_na |
110 | ') |
111 | |
112 | hm_syscall( |
113 | read, `hm_rv_len(buflen)', ` |
114 | hm_arg_fd(fd) hm_na |
115 | hm_arg_bytes_out(void,buf,size_t,buflen) hm_na |
116 | ') |
117 | |
118 | hm_syscall( |
119 | write, `hm_rv_any', ` |
120 | hm_arg_fd(fd) hm_na |
121 | hm_arg_bytes_in(void,buf,size_t,len) hm_na |
122 | ') |
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123 | |
124 | hm_specsyscall(int, writev, `int fd, const struct iovec *vector, size_t count') |
125 | hm_specsyscall(int, gettimeofday, `struct timeval *tv, struct timezone *tz') |
126 | |
127 | hm_specsyscall(void*, malloc, `size_t sz') |
128 | hm_specsyscall(void, free, `void *ptr') |
129 | hm_specsyscall(void*, realloc, `void *op, size_t nsz') |
130 | hm_specsyscall(void, exit, `int rv', NONRETURNING) |