mirror of
https://github.com/golang/go
synced 2024-10-04 11:21:21 -06:00
d145456b16
Plan 9 trap/signal handling differs on ARM from other architectures because ARM has a link register. Also trap message syntax varies between different architectures (historical accident?). Revised 7 March to clarify a comment. Change-Id: Ib6485f82857a2f9a0d6b2c375cf0aaa230b83656 Reviewed-on: https://go-review.googlesource.com/18969 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
75 lines
1.6 KiB
Go
75 lines
1.6 KiB
Go
package runtime
|
|
|
|
const _PAGESIZE = 0x1000
|
|
|
|
type ureg struct {
|
|
ax uint64
|
|
bx uint64
|
|
cx uint64
|
|
dx uint64
|
|
si uint64
|
|
di uint64
|
|
bp uint64
|
|
r8 uint64
|
|
r9 uint64
|
|
r10 uint64
|
|
r11 uint64
|
|
r12 uint64
|
|
r13 uint64
|
|
r14 uint64
|
|
r15 uint64
|
|
|
|
ds uint16
|
|
es uint16
|
|
fs uint16
|
|
gs uint16
|
|
|
|
_type uint64
|
|
error uint64 /* error code (or zero) */
|
|
ip uint64 /* pc */
|
|
cs uint64 /* old context */
|
|
flags uint64 /* old flags */
|
|
sp uint64 /* sp */
|
|
ss uint64 /* old stack segment */
|
|
}
|
|
|
|
type sigctxt struct {
|
|
u *ureg
|
|
}
|
|
|
|
func (c *sigctxt) pc() uintptr { return uintptr(c.u.ip) }
|
|
func (c *sigctxt) sp() uintptr { return uintptr(c.u.sp) }
|
|
func (c *sigctxt) lr() uintptr { return uintptr(0) }
|
|
|
|
func (c *sigctxt) setpc(x uintptr) { c.u.ip = uint64(x) }
|
|
func (c *sigctxt) setsp(x uintptr) { c.u.sp = uint64(x) }
|
|
func (c *sigctxt) setlr(x uintptr) {}
|
|
|
|
func (c *sigctxt) savelr(x uintptr) {}
|
|
|
|
func dumpregs(u *ureg) {
|
|
print("ax ", hex(u.ax), "\n")
|
|
print("bx ", hex(u.bx), "\n")
|
|
print("cx ", hex(u.cx), "\n")
|
|
print("dx ", hex(u.dx), "\n")
|
|
print("di ", hex(u.di), "\n")
|
|
print("si ", hex(u.si), "\n")
|
|
print("bp ", hex(u.bp), "\n")
|
|
print("sp ", hex(u.sp), "\n")
|
|
print("r8 ", hex(u.r8), "\n")
|
|
print("r9 ", hex(u.r9), "\n")
|
|
print("r10 ", hex(u.r10), "\n")
|
|
print("r11 ", hex(u.r11), "\n")
|
|
print("r12 ", hex(u.r12), "\n")
|
|
print("r13 ", hex(u.r13), "\n")
|
|
print("r14 ", hex(u.r14), "\n")
|
|
print("r15 ", hex(u.r15), "\n")
|
|
print("ip ", hex(u.ip), "\n")
|
|
print("flags ", hex(u.flags), "\n")
|
|
print("cs ", hex(u.cs), "\n")
|
|
print("fs ", hex(u.fs), "\n")
|
|
print("gs ", hex(u.gs), "\n")
|
|
}
|
|
|
|
func sigpanictramp() {}
|