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runtime: add missing //go:nosplit for Windows context methods

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This commit is contained in:
Honsun Zhu 2021-12-06 10:54:01 +08:00
parent ecf6b52b7f
commit 53af3c483d
4 changed files with 24 additions and 0 deletions
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6
src/runtime/defs_windows_386.go
View File

@ -46,14 +46,20 @@ type context struct {
extendedregisters [512]uint8
}
//go:nosplit
func (c *context) ip() uintptr { return uintptr(c.eip) }
//go:nosplit
func (c *context) sp() uintptr { return uintptr(c.esp) }
// 386 does not have link register, so this returns 0.
//go:nosplit
func (c *context) lr() uintptr { return 0 }
//go:nosplit
func (c *context) set_lr(x uintptr) {}
//go:nosplit
func (c *context) set_ip(x uintptr) { c.eip = uint32(x) }
//go:nosplit
func (c *context) set_sp(x uintptr) { c.esp = uint32(x) }
func dumpregs(r *context) {

6
src/runtime/defs_windows_amd64.go
View File

@ -60,14 +60,20 @@ type context struct {
lastexceptionfromrip uint64
}
//go:nosplit
func (c *context) ip() uintptr { return uintptr(c.rip) }
//go:nosplit
func (c *context) sp() uintptr { return uintptr(c.rsp) }
// AMD64 does not have link register, so this returns 0.
//go:nosplit
func (c *context) lr() uintptr { return 0 }
//go:nosplit
func (c *context) set_lr(x uintptr) {}
//go:nosplit
func (c *context) set_ip(x uintptr) { c.rip = uint64(x) }
//go:nosplit
func (c *context) set_sp(x uintptr) { c.rsp = uint64(x) }
func dumpregs(r *context) {

6
src/runtime/defs_windows_arm.go
View File

@ -50,12 +50,18 @@ type context struct {
padding2 [2]uint32
}
//go:nosplit
func (c *context) ip() uintptr { return uintptr(c.pc) }
//go:nosplit
func (c *context) sp() uintptr { return uintptr(c.spr) }
//go:nosplit
func (c *context) lr() uintptr { return uintptr(c.lrr) }
//go:nosplit
func (c *context) set_ip(x uintptr) { c.pc = uint32(x) }
//go:nosplit
func (c *context) set_sp(x uintptr) { c.spr = uint32(x) }
//go:nosplit
func (c *context) set_lr(x uintptr) { c.lrr = uint32(x) }
func dumpregs(r *context) {

6
src/runtime/defs_windows_arm64.go
View File

@ -33,12 +33,18 @@ type context struct {
wvr [2]uint64
}
//go:nosplit
func (c *context) ip() uintptr { return uintptr(c.pc) }
//go:nosplit
func (c *context) sp() uintptr { return uintptr(c.xsp) }
//go:nosplit
func (c *context) lr() uintptr { return uintptr(c.x[30]) }
//go:nosplit
func (c *context) set_ip(x uintptr) { c.pc = uint64(x) }
//go:nosplit
func (c *context) set_sp(x uintptr) { c.xsp = uint64(x) }
//go:nosplit
func (c *context) set_lr(x uintptr) { c.x[30] = uint64(x) }
func dumpregs(r *context) {