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-rw-r--r--samples/ftrace/ftrace-direct-too.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/samples/ftrace/ftrace-direct-too.c b/samples/ftrace/ftrace-direct-too.c
index e39c3563ae..6ff546a5d7 100644
--- a/samples/ftrace/ftrace-direct-too.c
+++ b/samples/ftrace/ftrace-direct-too.c
@@ -19,6 +19,34 @@ void my_direct_func(struct vm_area_struct *vma, unsigned long address,
extern void my_tramp(void *);
+#ifdef CONFIG_RISCV
+#include <asm/asm.h>
+
+asm (
+" .pushsection .text, \"ax\", @progbits\n"
+" .type my_tramp, @function\n"
+" .globl my_tramp\n"
+" my_tramp:\n"
+" addi sp,sp,-5*"SZREG"\n"
+" "REG_S" a0,0*"SZREG"(sp)\n"
+" "REG_S" a1,1*"SZREG"(sp)\n"
+" "REG_S" a2,2*"SZREG"(sp)\n"
+" "REG_S" t0,3*"SZREG"(sp)\n"
+" "REG_S" ra,4*"SZREG"(sp)\n"
+" call my_direct_func\n"
+" "REG_L" a0,0*"SZREG"(sp)\n"
+" "REG_L" a1,1*"SZREG"(sp)\n"
+" "REG_L" a2,2*"SZREG"(sp)\n"
+" "REG_L" t0,3*"SZREG"(sp)\n"
+" "REG_L" ra,4*"SZREG"(sp)\n"
+" addi sp,sp,5*"SZREG"\n"
+" jr t0\n"
+" .size my_tramp, .-my_tramp\n"
+" .popsection\n"
+);
+
+#endif /* CONFIG_RISCV */
+
#ifdef CONFIG_X86_64
#include <asm/ibt.h>