1/*
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
--- 25 unchanged lines hidden (view full) ---
36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Authors: Korey Sewell
42 * Stephen Hines
43 * Ali Saidi
44 */
45
46#include "arch/arm/linux/linux.hh"
47#include "arch/arm/linux/process.hh"
48#include "arch/arm/isa_traits.hh"
49#include "base/trace.hh"
50#include "cpu/thread_context.hh"
51#include "kern/linux/linux.hh"
52#include "sim/process.hh"
53#include "sim/syscall_emul.hh"
54#include "sim/system.hh"
55
56using namespace std;
57using namespace ArmISA;
58
59/// Target uname() handler.
60static SyscallReturn
61unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
62 ThreadContext *tc)
63{
64 int index = 0;
65 TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index));
66
67 strcpy(name->sysname, "Linux");
68 strcpy(name->nodename, "m5.eecs.umich.edu");
69 strcpy(name->release, "3.0.0");
70 strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
71 strcpy(name->machine, "armv7l");
72
73 name.copyOut(tc->getMemProxy());
74 return 0;
75}
76
77SyscallDesc ArmLinuxProcess::syscallDescs[] = {
78 /* 0 */ SyscallDesc("syscall", unimplementedFunc),
79 /* 1 */ SyscallDesc("exit", exitFunc),
80 /* 2 */ SyscallDesc("fork", unimplementedFunc),
81 /* 3 */ SyscallDesc("read", readFunc),
82 /* 4 */ SyscallDesc("write", writeFunc),
83 /* 5 */ SyscallDesc("open", openFunc),
84 /* 6 */ SyscallDesc("close", closeFunc),
85 /* 7 */ SyscallDesc("unused#7", unimplementedFunc),
86 /* 8 */ SyscallDesc("creat", unimplementedFunc),
87 /* 9 */ SyscallDesc("link", unimplementedFunc),
88 /* 10 */ SyscallDesc("unlink", unlinkFunc),
89 /* 11 */ SyscallDesc("execve", unimplementedFunc),
90 /* 12 */ SyscallDesc("chdir", unimplementedFunc),
91 /* 13 */ SyscallDesc("time", timeFunc),
92 /* 14 */ SyscallDesc("mknod", unimplementedFunc),
93 /* 15 */ SyscallDesc("chmod", chmodFunc),
94 /* 16 */ SyscallDesc("lchown", chownFunc),
95 /* 17 */ SyscallDesc("unused#17", unimplementedFunc),
96 /* 18 */ SyscallDesc("unused#18", unimplementedFunc),
97 /* 19 */ SyscallDesc("lseek", lseekFunc),
98 /* 20 */ SyscallDesc("getpid", getpidFunc),
99 /* 21 */ SyscallDesc("mount", unimplementedFunc),
100 /* 22 */ SyscallDesc("umount", unimplementedFunc),
101 /* 23 */ SyscallDesc("setuid", setuidFunc),
--- 11 unchanged lines hidden (view full) ---
113 /* 35 */ SyscallDesc("unused#35", unimplementedFunc),
114 /* 36 */ SyscallDesc("sync", unimplementedFunc),
115 /* 37 */ SyscallDesc("kill", ignoreFunc),
116 /* 38 */ SyscallDesc("rename", renameFunc),
117 /* 39 */ SyscallDesc("mkdir", mkdirFunc),
118 /* 40 */ SyscallDesc("rmdir", unimplementedFunc),
119 /* 41 */ SyscallDesc("dup", dupFunc),
120 /* 42 */ SyscallDesc("pipe", pipePseudoFunc),
121 /* 43 */ SyscallDesc("times", timesFunc),
122 /* 44 */ SyscallDesc("unused#44", unimplementedFunc),
123 /* 45 */ SyscallDesc("brk", brkFunc),
124 /* 46 */ SyscallDesc("setgid", unimplementedFunc),
125 /* 47 */ SyscallDesc("getgid", getgidFunc),
126 /* 48 */ SyscallDesc("unused#48", unimplementedFunc),
127 /* 49 */ SyscallDesc("geteuid", geteuidFunc),
128 /* 50 */ SyscallDesc("getegid", getegidFunc),
129 /* 51 */ SyscallDesc("acct", unimplementedFunc),
130 /* 52 */ SyscallDesc("umount2", unimplementedFunc),
131 /* 53 */ SyscallDesc("unused#53", unimplementedFunc),
132 /* 54 */ SyscallDesc("ioctl", ioctlFunc),
133 /* 55 */ SyscallDesc("fcntl", fcntlFunc),
134 /* 56 */ SyscallDesc("unused#56", unimplementedFunc),
135 /* 57 */ SyscallDesc("setpgid", unimplementedFunc),
136 /* 58 */ SyscallDesc("unused#58", unimplementedFunc),
137 /* 59 */ SyscallDesc("unused#59", unimplementedFunc),
138 /* 60 */ SyscallDesc("umask", unimplementedFunc),
139 /* 61 */ SyscallDesc("chroot", unimplementedFunc),
140 /* 62 */ SyscallDesc("ustat", unimplementedFunc),
--- 5 unchanged lines hidden (view full) ---
146 /* 68 */ SyscallDesc("unused#68", unimplementedFunc),
147 /* 69 */ SyscallDesc("unused#69", unimplementedFunc),
148 /* 70 */ SyscallDesc("setreuid", unimplementedFunc),
149 /* 71 */ SyscallDesc("setregid", unimplementedFunc),
150 /* 72 */ SyscallDesc("sigsuspend", unimplementedFunc),
151 /* 73 */ SyscallDesc("sigpending", unimplementedFunc),
152 /* 74 */ SyscallDesc("sethostname", ignoreFunc),
153 /* 75 */ SyscallDesc("setrlimit", ignoreFunc),
154 /* 76 */ SyscallDesc("getrlimit", getrlimitFunc),
155 /* 77 */ SyscallDesc("getrusage", getrusageFunc),
156 /* 78 */ SyscallDesc("gettimeofday", gettimeofdayFunc),
157 /* 79 */ SyscallDesc("settimeofday", unimplementedFunc),
158 /* 80 */ SyscallDesc("getgroups", unimplementedFunc),
159 /* 81 */ SyscallDesc("setgroups", unimplementedFunc),
160 /* 82 */ SyscallDesc("reserved#82", unimplementedFunc),
161 /* 83 */ SyscallDesc("symlink", unimplementedFunc),
162 /* 84 */ SyscallDesc("unused#84", unimplementedFunc),
163 /* 85 */ SyscallDesc("readlink", readlinkFunc),
164 /* 86 */ SyscallDesc("uselib", unimplementedFunc),
165 /* 87 */ SyscallDesc("swapon", unimplementedFunc),
166 /* 88 */ SyscallDesc("reboot", unimplementedFunc),
167 /* 89 */ SyscallDesc("readdir", unimplementedFunc),
168 /* 90 */ SyscallDesc("mmap", mmapFunc),
169 /* 91 */ SyscallDesc("munmap", munmapFunc),
170 /* 92 */ SyscallDesc("truncate", truncateFunc),
171 /* 93 */ SyscallDesc("ftruncate", ftruncateFunc),
172 /* 94 */ SyscallDesc("fchmod", unimplementedFunc),
173 /* 95 */ SyscallDesc("fchown", unimplementedFunc),
174 /* 96 */ SyscallDesc("getpriority", unimplementedFunc),
175 /* 97 */ SyscallDesc("setpriority", unimplementedFunc),
176 /* 98 */ SyscallDesc("unused#98", unimplementedFunc),
177 /* 99 */ SyscallDesc("statfs", unimplementedFunc),
178 /* 100 */ SyscallDesc("fstatfs", unimplementedFunc),
179 /* 101 */ SyscallDesc("unused#101", unimplementedFunc),
180 /* 102 */ SyscallDesc("socketcall", unimplementedFunc),
181 /* 103 */ SyscallDesc("syslog", unimplementedFunc),
182 /* 104 */ SyscallDesc("setitimer", unimplementedFunc),
183 /* 105 */ SyscallDesc("getitimer", unimplementedFunc),
184 /* 106 */ SyscallDesc("stat", statFunc),
185 /* 107 */ SyscallDesc("lstat", unimplementedFunc),
186 /* 108 */ SyscallDesc("fstat", fstatFunc),
187 /* 109 */ SyscallDesc("unused#109", unimplementedFunc),
188 /* 110 */ SyscallDesc("unused#101", unimplementedFunc),
189 /* 111 */ SyscallDesc("vhangup", unimplementedFunc),
190 /* 112 */ SyscallDesc("unused#112", unimplementedFunc),
191 /* 113 */ SyscallDesc("syscall", unimplementedFunc),
192 /* 114 */ SyscallDesc("wait4", unimplementedFunc),
193 /* 115 */ SyscallDesc("swapoff", unimplementedFunc),
194 /* 116 */ SyscallDesc("sysinfo", sysinfoFunc),
195 /* 117 */ SyscallDesc("ipc", unimplementedFunc),
196 /* 118 */ SyscallDesc("fsync", unimplementedFunc),
197 /* 119 */ SyscallDesc("sigreturn", unimplementedFunc),
198 /* 120 */ SyscallDesc("clone", cloneFunc),
199 /* 121 */ SyscallDesc("setdomainname", unimplementedFunc),
200 /* 122 */ SyscallDesc("uname", unameFunc),
201 /* 123 */ SyscallDesc("unused#123", unimplementedFunc),
202 /* 124 */ SyscallDesc("adjtimex", unimplementedFunc),
203 /* 125 */ SyscallDesc("mprotect", ignoreFunc),
204 /* 126 */ SyscallDesc("sigprocmask", unimplementedFunc),
205 /* 127 */ SyscallDesc("unused#127", unimplementedFunc),
206 /* 128 */ SyscallDesc("init_module", unimplementedFunc),
207 /* 129 */ SyscallDesc("delete_module", unimplementedFunc),
208 /* 130 */ SyscallDesc("unused#130", unimplementedFunc),
209 /* 131 */ SyscallDesc("quotactl", unimplementedFunc),
210 /* 132 */ SyscallDesc("getpgid", unimplementedFunc),
211 /* 133 */ SyscallDesc("fchdir", unimplementedFunc),
212 /* 134 */ SyscallDesc("bdflush", unimplementedFunc),
213 /* 135 */ SyscallDesc("sysfs", unimplementedFunc),
214 /* 136 */ SyscallDesc("personality", unimplementedFunc),
215 /* 137 */ SyscallDesc("reserved#138", unimplementedFunc),
216 /* 138 */ SyscallDesc("setfsuid", unimplementedFunc),
217 /* 139 */ SyscallDesc("setfsgid", unimplementedFunc),
218 /* 140 */ SyscallDesc("llseek", _llseekFunc),
219 /* 141 */ SyscallDesc("getdents", unimplementedFunc),
220 /* 142 */ SyscallDesc("newselect", unimplementedFunc),
221 /* 143 */ SyscallDesc("flock", unimplementedFunc),
222 /* 144 */ SyscallDesc("msync", unimplementedFunc),
223 /* 145 */ SyscallDesc("readv", unimplementedFunc),
224 /* 146 */ SyscallDesc("writev", writevFunc),
225 /* 147 */ SyscallDesc("getsid", unimplementedFunc),
226 /* 148 */ SyscallDesc("fdatasync", unimplementedFunc),
227 /* 149 */ SyscallDesc("sysctl", unimplementedFunc),
228 /* 150 */ SyscallDesc("mlock", unimplementedFunc),
229 /* 151 */ SyscallDesc("munlock", unimplementedFunc),
230 /* 152 */ SyscallDesc("mlockall", unimplementedFunc),
231 /* 153 */ SyscallDesc("munlockall", unimplementedFunc),
232 /* 154 */ SyscallDesc("sched_setparam", unimplementedFunc),
233 /* 155 */ SyscallDesc("sched_getparam", unimplementedFunc),
234 /* 156 */ SyscallDesc("sched_setscheduler", unimplementedFunc),
235 /* 157 */ SyscallDesc("sched_getscheduler", unimplementedFunc),
236 /* 158 */ SyscallDesc("sched_yield", unimplementedFunc),
237 /* 159 */ SyscallDesc("sched_get_priority_max", unimplementedFunc),
238 /* 160 */ SyscallDesc("sched_get_priority_min", unimplementedFunc),
239 /* 161 */ SyscallDesc("sched_rr_get_interval", unimplementedFunc),
240 /* 162 */ SyscallDesc("nanosleep", ignoreWarnOnceFunc),
241 /* 163 */ SyscallDesc("mremap", mremapFunc), // ARM-specific
242 /* 164 */ SyscallDesc("setresuid", unimplementedFunc),
243 /* 165 */ SyscallDesc("getresuid", unimplementedFunc),
244 /* 166 */ SyscallDesc("unused#166", unimplementedFunc),
245 /* 167 */ SyscallDesc("unused#167", unimplementedFunc),
246 /* 168 */ SyscallDesc("poll", unimplementedFunc),
247 /* 169 */ SyscallDesc("nfsservctl", unimplementedFunc),
248 /* 170 */ SyscallDesc("setresgid", unimplementedFunc),
249 /* 171 */ SyscallDesc("getresgid", unimplementedFunc),
--- 11 unchanged lines hidden (view full) ---
261 /* 183 */ SyscallDesc("getcwd", getcwdFunc),
262 /* 184 */ SyscallDesc("capget", unimplementedFunc),
263 /* 185 */ SyscallDesc("capset", unimplementedFunc),
264 /* 186 */ SyscallDesc("sigaltstack", unimplementedFunc),
265 /* 187 */ SyscallDesc("sendfile", unimplementedFunc),
266 /* 188 */ SyscallDesc("unused#188", unimplementedFunc),
267 /* 189 */ SyscallDesc("unused#189", unimplementedFunc),
268 /* 190 */ SyscallDesc("vfork", unimplementedFunc),
269 /* 191 */ SyscallDesc("getrlimit", getrlimitFunc),
270 /* 192 */ SyscallDesc("mmap2", mmapFunc),
271 /* 193 */ SyscallDesc("truncate64", unimplementedFunc),
272 /* 194 */ SyscallDesc("ftruncate64", ftruncate64Func),
273 /* 195 */ SyscallDesc("stat64", stat64Func),
274 /* 196 */ SyscallDesc("lstat64", lstat64Func),
275 /* 197 */ SyscallDesc("fstat64", fstat64Func),
276 /* 198 */ SyscallDesc("lchown", unimplementedFunc),
277 /* 199 */ SyscallDesc("getuid", getuidFunc),
278 /* 200 */ SyscallDesc("getgid", getgidFunc),
279 /* 201 */ SyscallDesc("geteuid", geteuidFunc),
280 /* 202 */ SyscallDesc("getegid", getegidFunc),
281 /* 203 */ SyscallDesc("setreuid", unimplementedFunc),
282 /* 204 */ SyscallDesc("setregid", unimplementedFunc),
283 /* 205 */ SyscallDesc("getgroups", unimplementedFunc),
--- 30 unchanged lines hidden (view full) ---
314 /* 236 */ SyscallDesc("lremovexattr", unimplementedFunc),
315 /* 237 */ SyscallDesc("fremovexattr", unimplementedFunc),
316 /* 238 */ SyscallDesc("tkill", unimplementedFunc),
317 /* 239 */ SyscallDesc("sendfile64", unimplementedFunc),
318 /* 240 */ SyscallDesc("futex", ignoreWarnOnceFunc),
319 /* 241 */ SyscallDesc("sched_setaffinity", unimplementedFunc),
320 /* 242 */ SyscallDesc("sched_getaffinity", unimplementedFunc),
321 /* 243 */ SyscallDesc("io_setup", unimplementedFunc),
322 /* 244 */ SyscallDesc("io_destory", unimplementedFunc),
323 /* 245 */ SyscallDesc("io_getevents", unimplementedFunc),
324 /* 246 */ SyscallDesc("io_submit", unimplementedFunc),
325 /* 247 */ SyscallDesc("io_cancel", unimplementedFunc),
326 /* 248 */ SyscallDesc("exit_group", exitGroupFunc),
327 /* 249 */ SyscallDesc("lookup_dcookie", unimplementedFunc),
328 /* 250 */ SyscallDesc("epoll_create", unimplementedFunc),
329 /* 251 */ SyscallDesc("epoll_ctl", unimplementedFunc),
330 /* 252 */ SyscallDesc("epoll_wait", unimplementedFunc),
--- 105 unchanged lines hidden (view full) ---
436 /* 358 */ SyscallDesc("sys_dup3", unimplementedFunc),
437 /* 359 */ SyscallDesc("sys_pipe2", unimplementedFunc),
438 /* 360 */ SyscallDesc("sys_inotify_init1", unimplementedFunc),
439 /* 361 */ SyscallDesc("sys_preadv", unimplementedFunc),
440 /* 362 */ SyscallDesc("sys_pwritev", unimplementedFunc),
441 /* 363 */ SyscallDesc("sys_rt_tgsigqueueinfo", unimplementedFunc),
442 /* 364 */ SyscallDesc("sys_perf_event_open", unimplementedFunc),
443 /* 365 */ SyscallDesc("sys_recvmmsg", unimplementedFunc),
444
445};
446
447/// Target set_tls() handler.
448static SyscallReturn
449setTLSFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
450 ThreadContext *tc)
451{
452 int index = 0;
453 uint32_t tlsPtr = process->getSyscallArg(tc, index);
454
455 tc->getMemProxy().writeBlob(ArmLinuxProcess::commPage + 0x0ff0,
456 (uint8_t *)&tlsPtr, sizeof(tlsPtr));
457 tc->setMiscReg(MISCREG_TPIDRURO,tlsPtr);
458 return 0;
459}
460
461SyscallDesc ArmLinuxProcess::privSyscallDescs[] = {
462 /* 1 */ SyscallDesc("breakpoint", unimplementedFunc),
463 /* 2 */ SyscallDesc("cacheflush", unimplementedFunc),
464 /* 3 */ SyscallDesc("usr26", unimplementedFunc),
465 /* 4 */ SyscallDesc("usr32", unimplementedFunc),
466 /* 5 */ SyscallDesc("set_tls", setTLSFunc)
467};
468
469ArmLinuxProcess::ArmLinuxProcess(LiveProcessParams * params,
470 ObjectFile *objFile, ObjectFile::Arch _arch)
471 : ArmLiveProcess(params, objFile, _arch),
472 Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc)),
473 Num_Priv_Syscall_Descs(sizeof(privSyscallDescs) / sizeof(SyscallDesc))
474{ }
475
476const Addr ArmLinuxProcess::commPage = 0xffff0000;
477
478SyscallDesc*
479ArmLinuxProcess::getDesc(int callnum)
480{
481 // Angel SWI syscalls are unsupported in this release
482 if (callnum == 0x123456) {
483 panic("Attempt to execute an ANGEL_SWI system call (newlib-related)");
484 } else if ((callnum & 0x00f00000) == 0x00900000 ||
485 (callnum & 0xf0000) == 0xf0000) {
486 callnum &= 0x000fffff;
487 if ((callnum & 0x0f0000) == 0xf0000) {
488 callnum -= 0x0f0001;
489 if (callnum < 0 || callnum > Num_Priv_Syscall_Descs)
490 return NULL;
491 return &privSyscallDescs[callnum];
492 }
493 }
494 // Linux syscalls have to strip off the 0x00900000
495
496 if (callnum < 0 || callnum > Num_Syscall_Descs)
497 return NULL;
498
499 return &syscallDescs[callnum];
500}
501
502void
503ArmLinuxProcess::initState()
504{
505 ArmLiveProcess::initState();
506 allocateMem(commPage, PageBytes);
507 ThreadContext *tc = system->getThreadContext(contextIds[0]);
508
509 uint8_t swiNeg1[] = {
510 0xff, 0xff, 0xff, 0xef // swi -1
511 };
512
513 // Fill this page with swi -1 so we'll no if we land in it somewhere.
--- 27 unchanged lines hidden (view full) ---
541 {
542 // read user read-only thread id register
543 0x70, 0x0f, 0x1d, 0xee, // mrc p15, 0, r0, c13, c0, 3
544 0x0e, 0xf0, 0xa0, 0xe1 // return
545 };
546 tc->getMemProxy().writeBlob(commPage + 0x0fe0, get_tls, sizeof(get_tls));
547}
548
549ArmISA::IntReg
550ArmLinuxProcess::getSyscallArg(ThreadContext *tc, int &i)
551{
552 // Linux apparently allows more parameter than the ABI says it should.
553 // This limit may need to be increased even further.
554 assert(i < 6);
555 return tc->readIntReg(ArgumentReg0 + i++);
556}
557
558void
559ArmLinuxProcess::setSyscallArg(ThreadContext *tc, int i, ArmISA::IntReg val)
560{
561 // Linux apparently allows more parameter than the ABI says it should.
562 // This limit may need to be increased even further.
563 assert(i < 6);
564 tc->setIntReg(ArgumentReg0 + i, val);
565}
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
--- 25 unchanged lines hidden (view full) ---
36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Authors: Korey Sewell
42 * Stephen Hines
43 * Ali Saidi
44 */
45
46#include "arch/arm/linux/linux.hh"
47#include "arch/arm/linux/process.hh"
48#include "arch/arm/isa_traits.hh"
49#include "base/trace.hh"
50#include "cpu/thread_context.hh"
51#include "kern/linux/linux.hh"
52#include "sim/process.hh"
53#include "sim/syscall_emul.hh"
54#include "sim/system.hh"
55
56using namespace std;
57using namespace ArmISA;
58
59/// Target uname() handler.
60static SyscallReturn
61unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
62 ThreadContext *tc)
63{
64 int index = 0;
65 TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index));
66
67 strcpy(name->sysname, "Linux");
68 strcpy(name->nodename, "m5.eecs.umich.edu");
69 strcpy(name->release, "3.0.0");
70 strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
71 strcpy(name->machine, "armv7l");
72
73 name.copyOut(tc->getMemProxy());
74 return 0;
75}
76
77SyscallDesc ArmLinuxProcess::syscallDescs[] = {
78 /* 0 */ SyscallDesc("syscall", unimplementedFunc),
79 /* 1 */ SyscallDesc("exit", exitFunc),
80 /* 2 */ SyscallDesc("fork", unimplementedFunc),
81 /* 3 */ SyscallDesc("read", readFunc),
82 /* 4 */ SyscallDesc("write", writeFunc),
83 /* 5 */ SyscallDesc("open", openFunc
84 /* 6 */ SyscallDesc("close", closeFunc),
85 /* 7 */ SyscallDesc("unused#7", unimplementedFunc),
86 /* 8 */ SyscallDesc("creat", unimplementedFunc),
87 /* 9 */ SyscallDesc("link", unimplementedFunc),
88 /* 10 */ SyscallDesc("unlink", unlinkFunc),
89 /* 11 */ SyscallDesc("execve", unimplementedFunc),
90 /* 12 */ SyscallDesc("chdir", unimplementedFunc),
91 /* 13 */ SyscallDesc("time", timeFunc
92 /* 14 */ SyscallDesc("mknod", unimplementedFunc),
93 /* 15 */ SyscallDesc("chmod", chmodFunc
94 /* 16 */ SyscallDesc("lchown", chownFunc),
95 /* 17 */ SyscallDesc("unused#17", unimplementedFunc),
96 /* 18 */ SyscallDesc("unused#18", unimplementedFunc),
97 /* 19 */ SyscallDesc("lseek", lseekFunc),
98 /* 20 */ SyscallDesc("getpid", getpidFunc),
99 /* 21 */ SyscallDesc("mount", unimplementedFunc),
100 /* 22 */ SyscallDesc("umount", unimplementedFunc),
101 /* 23 */ SyscallDesc("setuid", setuidFunc),
--- 11 unchanged lines hidden (view full) ---
113 /* 35 */ SyscallDesc("unused#35", unimplementedFunc),
114 /* 36 */ SyscallDesc("sync", unimplementedFunc),
115 /* 37 */ SyscallDesc("kill", ignoreFunc),
116 /* 38 */ SyscallDesc("rename", renameFunc),
117 /* 39 */ SyscallDesc("mkdir", mkdirFunc),
118 /* 40 */ SyscallDesc("rmdir", unimplementedFunc),
119 /* 41 */ SyscallDesc("dup", dupFunc),
120 /* 42 */ SyscallDesc("pipe", pipePseudoFunc),
121 /* 43 */ SyscallDesc("times", timesFunc
122 /* 44 */ SyscallDesc("unused#44", unimplementedFunc),
123 /* 45 */ SyscallDesc("brk", brkFunc),
124 /* 46 */ SyscallDesc("setgid", unimplementedFunc),
125 /* 47 */ SyscallDesc("getgid", getgidFunc),
126 /* 48 */ SyscallDesc("unused#48", unimplementedFunc),
127 /* 49 */ SyscallDesc("geteuid", geteuidFunc),
128 /* 50 */ SyscallDesc("getegid", getegidFunc),
129 /* 51 */ SyscallDesc("acct", unimplementedFunc),
130 /* 52 */ SyscallDesc("umount2", unimplementedFunc),
131 /* 53 */ SyscallDesc("unused#53", unimplementedFunc),
132 /* 54 */ SyscallDesc("ioctl", ioctlFunc
133 /* 55 */ SyscallDesc("fcntl", fcntlFunc),
134 /* 56 */ SyscallDesc("unused#56", unimplementedFunc),
135 /* 57 */ SyscallDesc("setpgid", unimplementedFunc),
136 /* 58 */ SyscallDesc("unused#58", unimplementedFunc),
137 /* 59 */ SyscallDesc("unused#59", unimplementedFunc),
138 /* 60 */ SyscallDesc("umask", unimplementedFunc),
139 /* 61 */ SyscallDesc("chroot", unimplementedFunc),
140 /* 62 */ SyscallDesc("ustat", unimplementedFunc),
--- 5 unchanged lines hidden (view full) ---
146 /* 68 */ SyscallDesc("unused#68", unimplementedFunc),
147 /* 69 */ SyscallDesc("unused#69", unimplementedFunc),
148 /* 70 */ SyscallDesc("setreuid", unimplementedFunc),
149 /* 71 */ SyscallDesc("setregid", unimplementedFunc),
150 /* 72 */ SyscallDesc("sigsuspend", unimplementedFunc),
151 /* 73 */ SyscallDesc("sigpending", unimplementedFunc),
152 /* 74 */ SyscallDesc("sethostname", ignoreFunc),
153 /* 75 */ SyscallDesc("setrlimit", ignoreFunc),
154 /* 76 */ SyscallDesc("getrlimit", getrlimitFunc
155 /* 77 */ SyscallDesc("getrusage", getrusageFunc
156 /* 78 */ SyscallDesc("gettimeofday", gettimeofdayFunc
157 /* 79 */ SyscallDesc("settimeofday", unimplementedFunc),
158 /* 80 */ SyscallDesc("getgroups", unimplementedFunc),
159 /* 81 */ SyscallDesc("setgroups", unimplementedFunc),
160 /* 82 */ SyscallDesc("reserved#82", unimplementedFunc),
161 /* 83 */ SyscallDesc("symlink", unimplementedFunc),
162 /* 84 */ SyscallDesc("unused#84", unimplementedFunc),
163 /* 85 */ SyscallDesc("readlink", readlinkFunc),
164 /* 86 */ SyscallDesc("uselib", unimplementedFunc),
165 /* 87 */ SyscallDesc("swapon", unimplementedFunc),
166 /* 88 */ SyscallDesc("reboot", unimplementedFunc),
167 /* 89 */ SyscallDesc("readdir", unimplementedFunc),
168 /* 90 */ SyscallDesc("mmap", mmapFunc
169 /* 91 */ SyscallDesc("munmap", munmapFunc),
170 /* 92 */ SyscallDesc("truncate", truncateFunc),
171 /* 93 */ SyscallDesc("ftruncate", ftruncateFunc),
172 /* 94 */ SyscallDesc("fchmod", unimplementedFunc),
173 /* 95 */ SyscallDesc("fchown", unimplementedFunc),
174 /* 96 */ SyscallDesc("getpriority", unimplementedFunc),
175 /* 97 */ SyscallDesc("setpriority", unimplementedFunc),
176 /* 98 */ SyscallDesc("unused#98", unimplementedFunc),
177 /* 99 */ SyscallDesc("statfs", unimplementedFunc),
178 /* 100 */ SyscallDesc("fstatfs", unimplementedFunc),
179 /* 101 */ SyscallDesc("unused#101", unimplementedFunc),
180 /* 102 */ SyscallDesc("socketcall", unimplementedFunc),
181 /* 103 */ SyscallDesc("syslog", unimplementedFunc),
182 /* 104 */ SyscallDesc("setitimer", unimplementedFunc),
183 /* 105 */ SyscallDesc("getitimer", unimplementedFunc),
184 /* 106 */ SyscallDesc("stat", statFunc
185 /* 107 */ SyscallDesc("lstat", unimplementedFunc),
186 /* 108 */ SyscallDesc("fstat", fstatFunc
187 /* 109 */ SyscallDesc("unused#109", unimplementedFunc),
188 /* 110 */ SyscallDesc("unused#101", unimplementedFunc),
189 /* 111 */ SyscallDesc("vhangup", unimplementedFunc),
190 /* 112 */ SyscallDesc("unused#112", unimplementedFunc),
191 /* 113 */ SyscallDesc("syscall", unimplementedFunc),
192 /* 114 */ SyscallDesc("wait4", unimplementedFunc),
193 /* 115 */ SyscallDesc("swapoff", unimplementedFunc),
194 /* 116 */ SyscallDesc("sysinfo", sysinfoFunc
195 /* 117 */ SyscallDesc("ipc", unimplementedFunc),
196 /* 118 */ SyscallDesc("fsync", unimplementedFunc),
197 /* 119 */ SyscallDesc("sigreturn", unimplementedFunc),
198 /* 120 */ SyscallDesc("clone", cloneFunc),
199 /* 121 */ SyscallDesc("setdomainname", unimplementedFunc),
200 /* 122 */ SyscallDesc("uname", unameFunc),
201 /* 123 */ SyscallDesc("unused#123", unimplementedFunc),
202 /* 124 */ SyscallDesc("adjtimex", unimplementedFunc),
203 /* 125 */ SyscallDesc("mprotect", ignoreFunc),
204 /* 126 */ SyscallDesc("sigprocmask", unimplementedFunc),
205 /* 127 */ SyscallDesc("unused#127", unimplementedFunc),
206 /* 128 */ SyscallDesc("init_module", unimplementedFunc),
207 /* 129 */ SyscallDesc("delete_module", unimplementedFunc),
208 /* 130 */ SyscallDesc("unused#130", unimplementedFunc),
209 /* 131 */ SyscallDesc("quotactl", unimplementedFunc),
210 /* 132 */ SyscallDesc("getpgid", unimplementedFunc),
211 /* 133 */ SyscallDesc("fchdir", unimplementedFunc),
212 /* 134 */ SyscallDesc("bdflush", unimplementedFunc),
213 /* 135 */ SyscallDesc("sysfs", unimplementedFunc),
214 /* 136 */ SyscallDesc("personality", unimplementedFunc),
215 /* 137 */ SyscallDesc("reserved#138", unimplementedFunc),
216 /* 138 */ SyscallDesc("setfsuid", unimplementedFunc),
217 /* 139 */ SyscallDesc("setfsgid", unimplementedFunc),
218 /* 140 */ SyscallDesc("llseek", _llseekFunc),
219 /* 141 */ SyscallDesc("getdents", unimplementedFunc),
220 /* 142 */ SyscallDesc("newselect", unimplementedFunc),
221 /* 143 */ SyscallDesc("flock", unimplementedFunc),
222 /* 144 */ SyscallDesc("msync", unimplementedFunc),
223 /* 145 */ SyscallDesc("readv", unimplementedFunc),
224 /* 146 */ SyscallDesc("writev", writevFunc
225 /* 147 */ SyscallDesc("getsid", unimplementedFunc),
226 /* 148 */ SyscallDesc("fdatasync", unimplementedFunc),
227 /* 149 */ SyscallDesc("sysctl", unimplementedFunc),
228 /* 150 */ SyscallDesc("mlock", unimplementedFunc),
229 /* 151 */ SyscallDesc("munlock", unimplementedFunc),
230 /* 152 */ SyscallDesc("mlockall", unimplementedFunc),
231 /* 153 */ SyscallDesc("munlockall", unimplementedFunc),
232 /* 154 */ SyscallDesc("sched_setparam", unimplementedFunc),
233 /* 155 */ SyscallDesc("sched_getparam", unimplementedFunc),
234 /* 156 */ SyscallDesc("sched_setscheduler", unimplementedFunc),
235 /* 157 */ SyscallDesc("sched_getscheduler", unimplementedFunc),
236 /* 158 */ SyscallDesc("sched_yield", unimplementedFunc),
237 /* 159 */ SyscallDesc("sched_get_priority_max", unimplementedFunc),
238 /* 160 */ SyscallDesc("sched_get_priority_min", unimplementedFunc),
239 /* 161 */ SyscallDesc("sched_rr_get_interval", unimplementedFunc),
240 /* 162 */ SyscallDesc("nanosleep", ignoreWarnOnceFunc),
241 /* 163 */ SyscallDesc("mremap", mremapFunc
242 /* 164 */ SyscallDesc("setresuid", unimplementedFunc),
243 /* 165 */ SyscallDesc("getresuid", unimplementedFunc),
244 /* 166 */ SyscallDesc("unused#166", unimplementedFunc),
245 /* 167 */ SyscallDesc("unused#167", unimplementedFunc),
246 /* 168 */ SyscallDesc("poll", unimplementedFunc),
247 /* 169 */ SyscallDesc("nfsservctl", unimplementedFunc),
248 /* 170 */ SyscallDesc("setresgid", unimplementedFunc),
249 /* 171 */ SyscallDesc("getresgid", unimplementedFunc),
--- 11 unchanged lines hidden (view full) ---
261 /* 183 */ SyscallDesc("getcwd", getcwdFunc),
262 /* 184 */ SyscallDesc("capget", unimplementedFunc),
263 /* 185 */ SyscallDesc("capset", unimplementedFunc),
264 /* 186 */ SyscallDesc("sigaltstack", unimplementedFunc),
265 /* 187 */ SyscallDesc("sendfile", unimplementedFunc),
266 /* 188 */ SyscallDesc("unused#188", unimplementedFunc),
267 /* 189 */ SyscallDesc("unused#189", unimplementedFunc),
268 /* 190 */ SyscallDesc("vfork", unimplementedFunc),
269 /* 191 */ SyscallDesc("getrlimit", getrlimitFunc
270 /* 192 */ SyscallDesc("mmap2", mmapFunc
271 /* 193 */ SyscallDesc("truncate64", unimplementedFunc),
272 /* 194 */ SyscallDesc("ftruncate64", ftruncate64Func),
273 /* 195 */ SyscallDesc("stat64", stat64Func
274 /* 196 */ SyscallDesc("lstat64", lstat64Func
275 /* 197 */ SyscallDesc("fstat64", fstat64Func
276 /* 198 */ SyscallDesc("lchown", unimplementedFunc),
277 /* 199 */ SyscallDesc("getuid", getuidFunc),
278 /* 200 */ SyscallDesc("getgid", getgidFunc),
279 /* 201 */ SyscallDesc("geteuid", geteuidFunc),
280 /* 202 */ SyscallDesc("getegid", getegidFunc),
281 /* 203 */ SyscallDesc("setreuid", unimplementedFunc),
282 /* 204 */ SyscallDesc("setregid", unimplementedFunc),
283 /* 205 */ SyscallDesc("getgroups", unimplementedFunc),
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314 /* 236 */ SyscallDesc("lremovexattr", unimplementedFunc),
315 /* 237 */ SyscallDesc("fremovexattr", unimplementedFunc),
316 /* 238 */ SyscallDesc("tkill", unimplementedFunc),
317 /* 239 */ SyscallDesc("sendfile64", unimplementedFunc),
318 /* 240 */ SyscallDesc("futex", ignoreWarnOnceFunc),
319 /* 241 */ SyscallDesc("sched_setaffinity", unimplementedFunc),
320 /* 242 */ SyscallDesc("sched_getaffinity", unimplementedFunc),
321 /* 243 */ SyscallDesc("io_setup", unimplementedFunc),
322 /* 244 */ SyscallDesc("io_destory", unimplementedFunc),
323 /* 245 */ SyscallDesc("io_getevents", unimplementedFunc),
324 /* 246 */ SyscallDesc("io_submit", unimplementedFunc),
325 /* 247 */ SyscallDesc("io_cancel", unimplementedFunc),
326 /* 248 */ SyscallDesc("exit_group", exitGroupFunc),
327 /* 249 */ SyscallDesc("lookup_dcookie", unimplementedFunc),
328 /* 250 */ SyscallDesc("epoll_create", unimplementedFunc),
329 /* 251 */ SyscallDesc("epoll_ctl", unimplementedFunc),
330 /* 252 */ SyscallDesc("epoll_wait", unimplementedFunc),
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436 /* 358 */ SyscallDesc("sys_dup3", unimplementedFunc),
437 /* 359 */ SyscallDesc("sys_pipe2", unimplementedFunc),
438 /* 360 */ SyscallDesc("sys_inotify_init1", unimplementedFunc),
439 /* 361 */ SyscallDesc("sys_preadv", unimplementedFunc),
440 /* 362 */ SyscallDesc("sys_pwritev", unimplementedFunc),
441 /* 363 */ SyscallDesc("sys_rt_tgsigqueueinfo", unimplementedFunc),
442 /* 364 */ SyscallDesc("sys_perf_event_open", unimplementedFunc),
443 /* 365 */ SyscallDesc("sys_recvmmsg", unimplementedFunc),
444
445};
446
447/// Target set_tls() handler.
448static SyscallReturn
449setTLSFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
450 ThreadContext *tc)
451{
452 int index = 0;
453 uint32_t tlsPtr = process->getSyscallArg(tc, index);
454
455 tc->getMemProxy().writeBlob(ArmLinuxProcess::commPage + 0x0ff0,
456 (uint8_t *)&tlsPtr, sizeof(tlsPtr));
457 tc->setMiscReg(MISCREG_TPIDRURO,tlsPtr);
458 return 0;
459}
460
461SyscallDesc ArmLinuxProcess::privSyscallDescs[] = {
462 /* 1 */ SyscallDesc("breakpoint", unimplementedFunc),
463 /* 2 */ SyscallDesc("cacheflush", unimplementedFunc),
464 /* 3 */ SyscallDesc("usr26", unimplementedFunc),
465 /* 4 */ SyscallDesc("usr32", unimplementedFunc),
466 /* 5 */ SyscallDesc("set_tls", setTLSFunc)
467};
468
469ArmLinuxProcess::ArmLinuxProcess(LiveProcessParams * params,
470 ObjectFile *objFile, ObjectFile::Arch _arch)
471 : ArmLiveProcess(params, objFile, _arch),
472 Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc)),
473 Num_Priv_Syscall_Descs(sizeof(privSyscallDescs) / sizeof(SyscallDesc))
474{ }
475
476const Addr ArmLinuxProcess::commPage = 0xffff0000;
477
478SyscallDesc*
479ArmLinuxProcess::getDesc(int callnum)
480{
481 // Angel SWI syscalls are unsupported in this release
482 if (callnum == 0x123456) {
483 panic("Attempt to execute an ANGEL_SWI system call (newlib-related)");
484 } else if ((callnum & 0x00f00000) == 0x00900000 ||
485 (callnum & 0xf0000) == 0xf0000) {
486 callnum &= 0x000fffff;
487 if ((callnum & 0x0f0000) == 0xf0000) {
488 callnum -= 0x0f0001;
489 if (callnum < 0 || callnum > Num_Priv_Syscall_Descs)
490 return NULL;
491 return &privSyscallDescs[callnum];
492 }
493 }
494 // Linux syscalls have to strip off the 0x00900000
495
496 if (callnum < 0 || callnum > Num_Syscall_Descs)
497 return NULL;
498
499 return &syscallDescs[callnum];
500}
501
502void
503ArmLinuxProcess::initState()
504{
505 ArmLiveProcess::initState();
506 allocateMem(commPage, PageBytes);
507 ThreadContext *tc = system->getThreadContext(contextIds[0]);
508
509 uint8_t swiNeg1[] = {
510 0xff, 0xff, 0xff, 0xef // swi -1
511 };
512
513 // Fill this page with swi -1 so we'll no if we land in it somewhere.
--- 27 unchanged lines hidden (view full) ---
541 {
542 // read user read-only thread id register
543 0x70, 0x0f, 0x1d, 0xee, // mrc p15, 0, r0, c13, c0, 3
544 0x0e, 0xf0, 0xa0, 0xe1 // return
545 };
546 tc->getMemProxy().writeBlob(commPage + 0x0fe0, get_tls, sizeof(get_tls));
547}
548
549ArmISA::IntReg
550ArmLinuxProcess::getSyscallArg(ThreadContext *tc, int &i)
551{
552 // Linux apparently allows more parameter than the ABI says it should.
553 // This limit may need to be increased even further.
554 assert(i < 6);
555 return tc->readIntReg(ArgumentReg0 + i++);
556}
557
558void
559ArmLinuxProcess::setSyscallArg(ThreadContext *tc, int i, ArmISA::IntReg val)
560{
561 // Linux apparently allows more parameter than the ABI says it should.
562 // This limit may need to be increased even further.
563 assert(i < 6);
564 tc->setIntReg(ArgumentReg0 + i, val);
565}