X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FLibraries%2Fld-acess.so_src%2Farch%2Fx86_64.asm.h;h=350585a0136f4e13493a9d8f44a2b15d37488052;hb=6516331968f11dd9e5c495572f27cc69fa3d4c48;hp=2c9d87fcd55e6dce875673388b4726fa41e4b771;hpb=a743018b19b089137e406de0a682856dc1be61ff;p=tpg%2Facess2.git

diff --git a/Usermode/Libraries/ld-acess.so_src/arch/x86_64.asm.h b/Usermode/Libraries/ld-acess.so_src/arch/x86_64.asm.h
index 2c9d87fc..350585a0 100644
--- a/Usermode/Libraries/ld-acess.so_src/arch/x86_64.asm.h
+++ b/Usermode/Libraries/ld-acess.so_src/arch/x86_64.asm.h
@@ -2,20 +2,21 @@
 ; AcssMicro - System Calls
 ; ========================
 
-%include "../../../Kernel/include/syscalls.inc.asm"
-
 [bits 64]
 
 [section .text]
 [global _start]
 [extern SoMain]
 _start:
-	pop rdi
+	mov rdi, [rsp   ]	; Base
+	mov rsi, [rsp+ 8]	; ArgC
+	mov rdx, [rsp+16]	; ArgV
+	mov rcx, [rsp+24]	; EnvP
 	call SoMain
 	
-	mov rdi, [rsp]
-	mov rsi, [rsp+8]
-	mov rdx, [rsp+16]
+	mov rdi, [rsp+8]
+	mov rsi, [rsp+16]
+	mov rdx, [rsp+24]
 	call rax
 	
 	mov rdi, rax
@@ -142,14 +143,19 @@ _SYSCALL_TAIL
 
 ; // Override the clone syscall
 #define clone	_clone_raw
+#define _exit	_exit_raw
 #include "syscalls.s.h"
 #undef clone
+#undef _exit
 
 [global clone:func]
 clone:
 	push rbp
 	mov rbp, rsp
 	push rbx
+	push r12
+	
+	mov r12, rsi	; Save in a reg for after the clone
 	
 	; Check if the new stack is being used
 	test rsi, rsi
@@ -162,11 +168,26 @@ clone:
 	sub rsi, 3*8
 .doCall:
 	mov eax, SYS_CLONE
-	mov rdi, rsi	; Stack
-	mov rsi, [rbp+2*8]	; Flags
 	SYSCALL_OP
 	mov [rel _errno], ebx
+
+	; Change stack pointer
+	test eax, eax
+	jnz .ret
+	test r12, r12
+	jz .ret
+	mov rsp, rsi
+.ret:
+	pop r12
 	pop rbx
 	pop rbp
 	ret
 
+
+[global _exit:func]
+_exit:
+	xor eax, eax
+	SYSCALL_OP
+	jmp $
+
+; vim: ft=nasm