From 16469543db0406a9b01a49891b7fe219be2386f1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joakim=20Nohlg=C3=A5rd?= <joakim.nohlgard@eistec.se>
Date: Tue, 14 Jul 2015 15:02:54 +0200
Subject: [PATCH] cpu/x86/x86_interrupts.c: Add __attribute__((used)) to isr
 functions

---
 cpu/x86/x86_interrupts.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/cpu/x86/x86_interrupts.c b/cpu/x86/x86_interrupts.c
index cb2da0adf..86991e8a2 100644
--- a/cpu/x86/x86_interrupts.c
+++ b/cpu/x86/x86_interrupts.c
@@ -169,7 +169,7 @@ static void continue_after_intr(void)
 }
 
 static unsigned in_intr_handler = 0, old_intr;
-void x86_int_handler(void)
+__attribute__((used)) void x86_int_handler(void)
 {
     switch (in_intr_handler++) {
         case 0:
@@ -213,7 +213,7 @@ void x86_int_handler(void)
     __builtin_unreachable();
 }
 
-void ASM_FUN_ATTRIBUTES NORETURN x86_int_entry(void)
+__attribute__((used)) void ASM_FUN_ATTRIBUTES NORETURN x86_int_entry(void)
 {
     __asm__ volatile ("mov %eax, (4*0 + x86_interrupted_ctx)");
     __asm__ volatile ("mov %ecx, (4*1 + x86_interrupted_ctx)");
@@ -239,7 +239,7 @@ void ASM_FUN_ATTRIBUTES NORETURN x86_int_entry(void)
     __builtin_unreachable();
 }
 
-void ASM_FUN_ATTRIBUTES NORETURN x86_int_exit(void)
+__attribute__((used)) void ASM_FUN_ATTRIBUTES NORETURN x86_int_exit(void)
 {
     __asm__ volatile ("mov (4*0 + x86_interrupted_ctx), %eax");
     __asm__ volatile ("mov (4*1 + x86_interrupted_ctx), %ecx");