Bananymous/banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Kernel: Cleanup signal trampoline

Browse Source
This commit is contained in:
Bananymous
2023-07-30 15:58:35 +03:00
parent de927b6b05
commit 1a6100f083
3 changed files with 5 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
kernel/arch/x86_64/Signal.S
View File

@@ -1,5 +1,7 @@
.section .userspace, "aw"
#include <sys/syscall.h>
.global signal_trampoline
signal_trampoline:
pushq %rax
@@ -18,14 +20,13 @@ signal_trampoline:
pushq %r14
pushq %r15
xchgw %bx, %bx
movq 128(%rsp), %rdi
movq 120(%rsp), %rax
call *%rax
movq 128(%rsp), %rdi
call signal_done
movq $SYS_SIGNAL_DONE, %rax
movq 128(%rsp), %rbx
int $0x80
popq %r15
popq %r14