Source file
src/runtime/signal_mips64x.go
Documentation: runtime
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9 package runtime
10
11 import (
12 "runtime/internal/sys"
13 "unsafe"
14 )
15
16 func dumpregs(c *sigctxt) {
17 print("r0 ", hex(c.r0()), "\t")
18 print("r1 ", hex(c.r1()), "\n")
19 print("r2 ", hex(c.r2()), "\t")
20 print("r3 ", hex(c.r3()), "\n")
21 print("r4 ", hex(c.r4()), "\t")
22 print("r5 ", hex(c.r5()), "\n")
23 print("r6 ", hex(c.r6()), "\t")
24 print("r7 ", hex(c.r7()), "\n")
25 print("r8 ", hex(c.r8()), "\t")
26 print("r9 ", hex(c.r9()), "\n")
27 print("r10 ", hex(c.r10()), "\t")
28 print("r11 ", hex(c.r11()), "\n")
29 print("r12 ", hex(c.r12()), "\t")
30 print("r13 ", hex(c.r13()), "\n")
31 print("r14 ", hex(c.r14()), "\t")
32 print("r15 ", hex(c.r15()), "\n")
33 print("r16 ", hex(c.r16()), "\t")
34 print("r17 ", hex(c.r17()), "\n")
35 print("r18 ", hex(c.r18()), "\t")
36 print("r19 ", hex(c.r19()), "\n")
37 print("r20 ", hex(c.r20()), "\t")
38 print("r21 ", hex(c.r21()), "\n")
39 print("r22 ", hex(c.r22()), "\t")
40 print("r23 ", hex(c.r23()), "\n")
41 print("r24 ", hex(c.r24()), "\t")
42 print("r25 ", hex(c.r25()), "\n")
43 print("r26 ", hex(c.r26()), "\t")
44 print("r27 ", hex(c.r27()), "\n")
45 print("r28 ", hex(c.r28()), "\t")
46 print("r29 ", hex(c.r29()), "\n")
47 print("r30 ", hex(c.r30()), "\t")
48 print("r31 ", hex(c.r31()), "\n")
49 print("pc ", hex(c.pc()), "\t")
50 print("link ", hex(c.link()), "\n")
51 print("lo ", hex(c.lo()), "\t")
52 print("hi ", hex(c.hi()), "\n")
53 }
54
55
56
57 func (c *sigctxt) sigpc() uintptr { return uintptr(c.pc()) }
58
59 func (c *sigctxt) sigsp() uintptr { return uintptr(c.sp()) }
60 func (c *sigctxt) siglr() uintptr { return uintptr(c.link()) }
61 func (c *sigctxt) fault() uintptr { return uintptr(c.sigaddr()) }
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63
64 func (c *sigctxt) preparePanic(sig uint32, gp *g) {
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71 sp := c.sp() - sys.PtrSize
72 c.set_sp(sp)
73 *(*uint64)(unsafe.Pointer(uintptr(sp))) = c.link()
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75 pc := gp.sigpc
76
77 if shouldPushSigpanic(gp, pc, uintptr(c.link())) {
78
79 c.set_link(uint64(pc))
80 }
81
82
83 sigpanicPC := uint64(funcPC(sigpanic))
84 c.set_r28(sigpanicPC >> 32 << 32)
85 c.set_r30(uint64(uintptr(unsafe.Pointer(gp))))
86 c.set_pc(sigpanicPC)
87 }
88
89 func (c *sigctxt) pushCall(targetPC, resumePC uintptr) {
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94 sp := c.sp() - 8
95 c.set_sp(sp)
96 *(*uint64)(unsafe.Pointer(uintptr(sp))) = c.link()
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99 c.set_link(uint64(resumePC))
100 c.set_pc(uint64(targetPC))
101 }
102
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