diff options
| -rw-r--r-- | arch/alpha/Kconfig | 1 | ||||
| -rw-r--r-- | arch/alpha/include/asm/thread_info.h | 2 | ||||
| -rw-r--r-- | arch/alpha/lib/stacktrace.c | 2 |
3 files changed, 4 insertions, 1 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 97fce7386b00..780d4673c3ca 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -3,6 +3,7 @@ config ALPHA bool default y select ARCH_32BIT_USTAT_F_TINODE + select ARCH_HAS_CURRENT_STACK_POINTER select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO select ARCH_NO_PREEMPT diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h index 082631465074..354247dca161 100644 --- a/arch/alpha/include/asm/thread_info.h +++ b/arch/alpha/include/asm/thread_info.h @@ -41,6 +41,8 @@ struct thread_info { register struct thread_info *__current_thread_info __asm__("$8"); #define current_thread_info() __current_thread_info +register unsigned long *current_stack_pointer __asm__ ("$30"); + #endif /* __ASSEMBLY__ */ /* Thread information allocation. */ diff --git a/arch/alpha/lib/stacktrace.c b/arch/alpha/lib/stacktrace.c index 62454a7810e2..2b1176dd5174 100644 --- a/arch/alpha/lib/stacktrace.c +++ b/arch/alpha/lib/stacktrace.c @@ -92,7 +92,7 @@ stacktrace(void) { instr * ret_pc; instr * prologue = (instr *)stacktrace; - register unsigned char * sp __asm__ ("$30"); + unsigned char *sp = (unsigned char *)current_stack_pointer; printk("\tstack trace:\n"); do { |