chore: add notes to syscall asm for ret code

f1zm0 · Apr 24, 2023 · 6da875b · 6da875b
1 parent 4d57328
commit 6da875b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/syscall_amd64.s b/syscall_amd64.s
@@ -8,6 +8,9 @@
 // with custom modifications to support indirect syscall execution 
 // via a trampoline (syscall;ret instruction) in ntdll.dll
 
+// return type is a 32-bit datatype, as per NTSTATUS definition (https://msdn.microsoft.com/en-us/library/cc704588.aspx)
+// but we use an unsigned integer instead of LONG (int32), since working with uint types is easier in Go
+
 
 // func execIndirectSyscall(ssn uint16, trampoline uintptr, argh ...uintptr) (errcode uint32)
 TEXT ·execIndirectSyscall(SB),NOSPLIT, $0-144