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Add get_rip/get_rsp helpers

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Justin C. Miller
2018-05-21 00:56:35 -07:00
parent c5761cc51e
commit 0c8bcb2400
1 changed files with 8 additions and 6 deletions
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14
src/kernel/debug.s
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@@ -1,10 +1,12 @@
global get_rsp
get_rsp:
mov rax, rsp
ret
section .text global get_rip
global do_the_set_registers get_rip:
do_the_set_registers: pop rax ; do the same thing as 'ret', except with 'jmp'
mov rax, 0xdeadbeef0badc0de jmp rax ; with the return address still in rax
mov r8, rcx
mov r9, rdi
global _halt global _halt
_halt: _halt: