diff options
Add template jit slides and demo
1 files changed, 42 insertions, 0 deletions
| -rw-r--r-- | demo/asm/add_answer.asm | 42 |
diff --git a/demo/asm/add_answer.asm b/demo/asm/add_answer.asm new file mode 100644 index 0000000..2864c3c --- /dev/null +++ b/demo/asm/add_answer.asm @@ -0,0 +1,42 @@ +global add_answer
+
+section .text
+add_answer_2:
+ push rbp
+ mov rbp, rsp
+ mov rax, 42
+ add rax, rcx
+ pop rbp
+ ret
+
+add_answer:
+ push rbp
+ mov rbp, rsp
+ push r15
+ mov r15, rsp
+ push r9
+ push r8
+ push rcx
+ push rdx
+ push rsi
+; Handle Win64 calling convention
+; push rdi ; used by System V
+ push rcx ; used by Win64
+ push 1
+ mov rdi, rsp
+
+ mov [rdi - 8], byte 42
+
+ mov r8, [rdi + 8]
+ mov r9, [rdi - 8]
+
+ mov rcx, r8
+ add rcx, r9
+
+ mov [rdi + 16], rcx
+
+ mov eax, [rdi + 16]
+ mov rsp, r15
+ pop r15
+ pop rbp
+ ret
|