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[kernel] Remove process & thread self-handles

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For the coming switch to cap/handle ref-counting being the main lifetime
determiner of objects, get rid of self handles for threads and processes
to avoid circular references. Instead, passing 0 to syscalls expecting a
thread or process handle signifies "this process/thread".
This commit is contained in:
Justin C. Miller
2023-02-19 11:23:23 -08:00
parent d2a6113fb7
commit 94b2a79f79
13 changed files with 45 additions and 63 deletions
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24
src/libraries/libc/arch/amd64/crt/crt0.s
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@@ -5,15 +5,21 @@ extern __init_libc
global _start:function (_start.end - _start)
_start:
mov rbp, rsp
mov rdi, rsp
call __init_libj6
call __init_libc
push 0 ; Add null frame
push 0
mov rbp, rsp
pop rdi
mov rsi, rsp
call main
call __init_libj6
mov rbx, rax
mov rdi, rax
call exit
call __init_libc
pop rdi
mov rsi, rsp
mov rdx, 0 ; TODO: actually parse stack for argc, argv, envp
mov rcx, rbx
call main
mov rdi, rax
call exit
.end: