1 files changed, 29 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/stdlib/SDL_mslibc_x64.masm b/contrib/SDL-3.2.8/src/stdlib/SDL_mslibc_x64.masm
new file mode 100644
index 0000000..1590d88
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/stdlib/SDL_mslibc_x64.masm
@@ -0,0 +1,29 @@
+include ksamd64.inc

+

+text        SEGMENT EXECUTE

+

+public      __chkstk

+

+__chkstk:

+    sub         rsp,010h

+    mov         QWORD PTR [rsp],r10

+    mov         QWORD PTR [rsp+08h],r11

+    xor         r11,r11

+    lea         r10,[rsp+018h]

+    sub         r10,rax

+    cmovb       r10,r11

+    mov         r11,QWORD PTR gs:[TeStackLimit]

+    cmp         r10,r11

+    jae         chkstk_finish

+    and         r10w,0f000h

+chkstk_loop:

+    lea         r11,[r11-PAGE_SIZE]

+    mov         BYTE PTR [r11],0h

+    cmp         r10,r11

+    jne         chkstk_loop

+chkstk_finish:

+    mov         r10,QWORD PTR [rsp]

+    mov         r11,QWORD PTR [rsp+08h]

+    add         rsp,010h

+    ret

+end