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Kernel: Remove unused (and broken) code from signal trampoline

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Bananymous
2025-12-28 03:53:17 +02:00
parent 8e00b3d110
commit bd426199f8
2 changed files with 8 additions and 20 deletions
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14
kernel/arch/x86_64/Signal.S
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@@ -26,12 +26,6 @@ signal_trampoline:
pushq %rax
pushq %rbp
movq 200(%rsp), %rax // return sp
addq $(128 + 8), %rax // red-zone and return address
movq 208(%rsp), %rbx // return ip
pushq %rax;
pushq %rbx
// FIXME: populate these
xorq %rax, %rax
pushq %rax // stack
@@ -41,9 +35,9 @@ signal_trampoline:
pushq %rax // link
movq %rsp, %rdx // ucontext
leaq 192(%rsp), %rsi // siginfo
movq 184(%rsp), %rdi // signal number
movq 176(%rsp), %rax // handler
leaq 176(%rsp), %rsi // siginfo
movq 168(%rsp), %rdi // signal number
movq 160(%rsp), %rax // handler
// align stack to 16 bytes
movq %rsp, %rbp
@@ -59,7 +53,7 @@ signal_trampoline:
// restore stack
movq %rbp, %rsp
addq $56, %rsp
addq $40, %rsp
// restore registers
popq %rbp