github.com/ice-blockchain/go/src@v0.0.0-20240403114104-1564d284e521/runtime/signal_openbsd_riscv64.go (about)

     1  // Copyright 2023 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package runtime
     6  
     7  import (
     8  	"internal/goarch"
     9  	"unsafe"
    10  )
    11  
    12  type sigctxt struct {
    13  	info *siginfo
    14  	ctxt unsafe.Pointer
    15  }
    16  
    17  //go:nosplit
    18  //go:nowritebarrierrec
    19  func (c *sigctxt) regs() *sigcontext {
    20  	return (*sigcontext)(c.ctxt)
    21  }
    22  
    23  func (c *sigctxt) ra() uint64  { return uint64(c.regs().sc_ra) }
    24  func (c *sigctxt) sp() uint64  { return uint64(c.regs().sc_sp) }
    25  func (c *sigctxt) gp() uint64  { return uint64(c.regs().sc_gp) }
    26  func (c *sigctxt) tp() uint64  { return uint64(c.regs().sc_tp) }
    27  func (c *sigctxt) t0() uint64  { return uint64(c.regs().sc_t[0]) }
    28  func (c *sigctxt) t1() uint64  { return uint64(c.regs().sc_t[1]) }
    29  func (c *sigctxt) t2() uint64  { return uint64(c.regs().sc_t[2]) }
    30  func (c *sigctxt) s0() uint64  { return uint64(c.regs().sc_s[0]) }
    31  func (c *sigctxt) s1() uint64  { return uint64(c.regs().sc_s[1]) }
    32  func (c *sigctxt) a0() uint64  { return uint64(c.regs().sc_a[0]) }
    33  func (c *sigctxt) a1() uint64  { return uint64(c.regs().sc_a[1]) }
    34  func (c *sigctxt) a2() uint64  { return uint64(c.regs().sc_a[2]) }
    35  func (c *sigctxt) a3() uint64  { return uint64(c.regs().sc_a[3]) }
    36  func (c *sigctxt) a4() uint64  { return uint64(c.regs().sc_a[4]) }
    37  func (c *sigctxt) a5() uint64  { return uint64(c.regs().sc_a[5]) }
    38  func (c *sigctxt) a6() uint64  { return uint64(c.regs().sc_a[6]) }
    39  func (c *sigctxt) a7() uint64  { return uint64(c.regs().sc_a[7]) }
    40  func (c *sigctxt) s2() uint64  { return uint64(c.regs().sc_s[2]) }
    41  func (c *sigctxt) s3() uint64  { return uint64(c.regs().sc_s[3]) }
    42  func (c *sigctxt) s4() uint64  { return uint64(c.regs().sc_s[4]) }
    43  func (c *sigctxt) s5() uint64  { return uint64(c.regs().sc_s[5]) }
    44  func (c *sigctxt) s6() uint64  { return uint64(c.regs().sc_s[6]) }
    45  func (c *sigctxt) s7() uint64  { return uint64(c.regs().sc_s[7]) }
    46  func (c *sigctxt) s8() uint64  { return uint64(c.regs().sc_s[8]) }
    47  func (c *sigctxt) s9() uint64  { return uint64(c.regs().sc_s[9]) }
    48  func (c *sigctxt) s10() uint64 { return uint64(c.regs().sc_s[10]) }
    49  func (c *sigctxt) s11() uint64 { return uint64(c.regs().sc_s[11]) }
    50  func (c *sigctxt) t3() uint64  { return uint64(c.regs().sc_t[3]) }
    51  func (c *sigctxt) t4() uint64  { return uint64(c.regs().sc_t[4]) }
    52  func (c *sigctxt) t5() uint64  { return uint64(c.regs().sc_t[5]) }
    53  func (c *sigctxt) t6() uint64  { return uint64(c.regs().sc_t[6]) }
    54  
    55  //go:nosplit
    56  //go:nowritebarrierrec
    57  func (c *sigctxt) pc() uint64 { return uint64(c.regs().sc_sepc) }
    58  
    59  func (c *sigctxt) sigcode() uint64 { return uint64(c.info.si_code) }
    60  func (c *sigctxt) sigaddr() uint64 {
    61  	return *(*uint64)(add(unsafe.Pointer(c.info), 2*goarch.PtrSize))
    62  }
    63  
    64  func (c *sigctxt) set_pc(x uint64) { c.regs().sc_sepc = uintptr(x) }
    65  func (c *sigctxt) set_ra(x uint64) { c.regs().sc_ra = uintptr(x) }
    66  func (c *sigctxt) set_sp(x uint64) { c.regs().sc_sp = uintptr(x) }
    67  func (c *sigctxt) set_gp(x uint64) { c.regs().sc_gp = uintptr(x) }
    68  
    69  func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
    70  func (c *sigctxt) set_sigaddr(x uint64) {
    71  	*(*uintptr)(add(unsafe.Pointer(c.info), 2*goarch.PtrSize)) = uintptr(x)
    72  }