lib/utils/gchelper_m3: Add gc_helper_get_sp() function.

2019-02-12 14:37:01 +11:00 · 2019-02-12 14:37:01 +11:00 · f608f54ab0
parent 90e1303b2d
commit f608f54ab0
1 changed files with 12 additions and 0 deletions
--- a/lib/utils/gchelper_m3.s
+++ b/lib/utils/gchelper_m3.s
@ -31,6 +31,18 @@
    .section .text
    .align  2

+    .global gc_helper_get_sp
+    .type gc_helper_get_sp, %function
+
+@ uint gc_helper_get_sp(void)
+gc_helper_get_sp:
+    @ return the sp
+    mov     r0, sp
+    bx      lr
+
+    .size gc_helper_get_sp, .-gc_helper_get_sp
+
+
    .global gc_helper_get_regs_and_sp
    .type gc_helper_get_regs_and_sp, %function