diff options
Diffstat (limited to 'arch/ia64/kernel/jprobes.S')
| -rw-r--r-- | arch/ia64/kernel/jprobes.S | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/arch/ia64/kernel/jprobes.S b/arch/ia64/kernel/jprobes.S index b7fa3ccd2b0..f69389c7be1 100644 --- a/arch/ia64/kernel/jprobes.S +++ b/arch/ia64/kernel/jprobes.S @@ -45,12 +45,14 @@ * to the correct location. */ #include <asm/asmmacro.h> +#include <asm/break.h> /* * void jprobe_break(void) */ + .section .kprobes.text, "ax" ENTRY(jprobe_break) - break.m 0x80300 + break.m __IA64_BREAK_JPROBE END(jprobe_break) /* @@ -59,3 +61,30 @@ END(jprobe_break) GLOBAL_ENTRY(jprobe_inst_return) br.call.sptk.many b0=jprobe_break END(jprobe_inst_return) + +GLOBAL_ENTRY(invalidate_stacked_regs) + movl r16=invalidate_restore_cfm + ;; + mov b6=r16 + ;; + br.ret.sptk.many b6 + ;; +invalidate_restore_cfm: + mov r16=ar.rsc + ;; + mov ar.rsc=r0 + ;; + loadrs + ;; + mov ar.rsc=r16 + ;; + br.cond.sptk.many rp +END(invalidate_stacked_regs) + +GLOBAL_ENTRY(flush_register_stack) + // flush dirty regs to backing store (must be first in insn group) + flushrs + ;; + br.ret.sptk.many rp +END(flush_register_stack) + |