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1 // Copyright 2012 The Go Authors. All rights reserved.
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2 // Use of this source code is governed by a BSD-style
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3 // license that can be found in the LICENSE file.
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4
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5 #include "runtime.h"
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6
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7 extern void gothrow(String) __attribute__((noreturn));
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8 extern void gothrow(String) __asm__(GOSYM_PREFIX "runtime.throw");
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9
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10 void
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11 runtime_throw(const char *s)
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12 {
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13 gothrow(runtime_gostringnocopy((const byte *)s));
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14 }
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15
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16 void
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17 runtime_panicstring(const char *s)
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18 {
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19 G *gp;
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20 Eface err;
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21
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22 gp = runtime_g();
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23 if (gp == nil) {
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24 runtime_printf("panic: %s\n", s);
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25 runtime_throw("panic with no g");
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26 }
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27 if (gp->m == nil) {
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28 runtime_printf("panic: %s\n", s);
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29 runtime_throw("panic with no m");
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30 }
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31 if (gp->m->curg != gp) {
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32 runtime_printf("panic: %s\n", s);
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33 runtime_throw("panic on system stack");
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34 }
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35 if (gp->m->mallocing != 0) {
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36 runtime_printf("panic: %s\n", s);
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37 runtime_throw("panic during malloc");
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38 }
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39 if (gp->m->preemptoff.len != 0) {
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40 runtime_printf("panic: %s\n", s);
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41 runtime_printf("preempt off reason: %S\n", gp->m->preemptoff);
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42 runtime_throw("panic during preemptoff");
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43 }
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44 if (gp->m->locks != 0) {
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45 runtime_printf("panic: %s\n", s);
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46 runtime_throw("panic holding locks");
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47 }
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48 runtime_newErrorCString((uintptr) s, &err);
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49 runtime_panic(err);
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50 }
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51
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52 extern void runtime_abort(void) __asm__(GOSYM_PREFIX "runtime.abort");
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53
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54 void
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55 runtime_abort()
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56 {
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57 abort();
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58 }
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