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Usermode/ld-acess - Syscall stub changes
[tpg/acess2.git]
/
Usermode
/
Libraries
/
ld-acess.so_src
/
arch
/
x86_64.asm.h
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
ea605ef
..
62fc400
100644
(file)
--- a/
Usermode/Libraries/ld-acess.so_src/arch/x86_64.asm.h
+++ b/
Usermode/Libraries/ld-acess.so_src/arch/x86_64.asm.h
@@
-152,6
+152,9
@@
clone:
push rbp
mov rbp, rsp
push rbx
push rbp
mov rbp, rsp
push rbx
+ push r11
+
+ mov r12, rsi ; Save in a reg for after the clone
; Check if the new stack is being used
test rsi, rsi
; Check if the new stack is being used
test rsi, rsi
@@
-166,10
+169,19
@@
clone:
mov eax, SYS_CLONE
SYSCALL_OP
mov [rel _errno], ebx
mov eax, SYS_CLONE
SYSCALL_OP
mov [rel _errno], ebx
+
+ ; Change stack pointer
+ test eax, eax
+ jnz .ret
+ test r12, r12
+ jz .ret
+ mov rsp, rsi
+.ret:
pop rbx
pop rbp
ret
pop rbx
pop rbp
ret
+
[global _exit:func]
_exit:
xor eax, eax
[global _exit:func]
_exit:
xor eax, eax
UCC
git Repository :: git.ucc.asn.au