| // Copyright 2023 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package runtime |
| |
| import ( |
| "internal/goarch" |
| "unsafe" |
| ) |
| |
| type sigctxt struct { |
| info *siginfo |
| ctxt unsafe.Pointer |
| } |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func (c *sigctxt) regs() *sigcontext { |
| return (*sigcontext)(c.ctxt) |
| } |
| |
| func (c *sigctxt) ra() uint64 { return uint64(c.regs().sc_ra) } |
| func (c *sigctxt) sp() uint64 { return uint64(c.regs().sc_sp) } |
| func (c *sigctxt) gp() uint64 { return uint64(c.regs().sc_gp) } |
| func (c *sigctxt) tp() uint64 { return uint64(c.regs().sc_tp) } |
| func (c *sigctxt) t0() uint64 { return uint64(c.regs().sc_t[0]) } |
| func (c *sigctxt) t1() uint64 { return uint64(c.regs().sc_t[1]) } |
| func (c *sigctxt) t2() uint64 { return uint64(c.regs().sc_t[2]) } |
| func (c *sigctxt) s0() uint64 { return uint64(c.regs().sc_s[0]) } |
| func (c *sigctxt) s1() uint64 { return uint64(c.regs().sc_s[1]) } |
| func (c *sigctxt) a0() uint64 { return uint64(c.regs().sc_a[0]) } |
| func (c *sigctxt) a1() uint64 { return uint64(c.regs().sc_a[1]) } |
| func (c *sigctxt) a2() uint64 { return uint64(c.regs().sc_a[2]) } |
| func (c *sigctxt) a3() uint64 { return uint64(c.regs().sc_a[3]) } |
| func (c *sigctxt) a4() uint64 { return uint64(c.regs().sc_a[4]) } |
| func (c *sigctxt) a5() uint64 { return uint64(c.regs().sc_a[5]) } |
| func (c *sigctxt) a6() uint64 { return uint64(c.regs().sc_a[6]) } |
| func (c *sigctxt) a7() uint64 { return uint64(c.regs().sc_a[7]) } |
| func (c *sigctxt) s2() uint64 { return uint64(c.regs().sc_s[2]) } |
| func (c *sigctxt) s3() uint64 { return uint64(c.regs().sc_s[3]) } |
| func (c *sigctxt) s4() uint64 { return uint64(c.regs().sc_s[4]) } |
| func (c *sigctxt) s5() uint64 { return uint64(c.regs().sc_s[5]) } |
| func (c *sigctxt) s6() uint64 { return uint64(c.regs().sc_s[6]) } |
| func (c *sigctxt) s7() uint64 { return uint64(c.regs().sc_s[7]) } |
| func (c *sigctxt) s8() uint64 { return uint64(c.regs().sc_s[8]) } |
| func (c *sigctxt) s9() uint64 { return uint64(c.regs().sc_s[9]) } |
| func (c *sigctxt) s10() uint64 { return uint64(c.regs().sc_s[10]) } |
| func (c *sigctxt) s11() uint64 { return uint64(c.regs().sc_s[11]) } |
| func (c *sigctxt) t3() uint64 { return uint64(c.regs().sc_t[3]) } |
| func (c *sigctxt) t4() uint64 { return uint64(c.regs().sc_t[4]) } |
| func (c *sigctxt) t5() uint64 { return uint64(c.regs().sc_t[5]) } |
| func (c *sigctxt) t6() uint64 { return uint64(c.regs().sc_t[6]) } |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func (c *sigctxt) pc() uint64 { return uint64(c.regs().sc_sepc) } |
| |
| func (c *sigctxt) sigcode() uint64 { return uint64(c.info.si_code) } |
| func (c *sigctxt) sigaddr() uint64 { |
| return *(*uint64)(add(unsafe.Pointer(c.info), 2*goarch.PtrSize)) |
| } |
| |
| func (c *sigctxt) set_pc(x uint64) { c.regs().sc_sepc = uintptr(x) } |
| func (c *sigctxt) set_ra(x uint64) { c.regs().sc_ra = uintptr(x) } |
| func (c *sigctxt) set_sp(x uint64) { c.regs().sc_sp = uintptr(x) } |
| func (c *sigctxt) set_gp(x uint64) { c.regs().sc_gp = uintptr(x) } |
| |
| func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) } |
| func (c *sigctxt) set_sigaddr(x uint64) { |
| *(*uintptr)(add(unsafe.Pointer(c.info), 2*goarch.PtrSize)) = uintptr(x) |
| } |