diff options
| -rw-r--r-- | arch/x86/lib/thunk_64.S | 46 |
1 files changed, 42 insertions, 4 deletions
diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S index b30b5ebd614a..8ec443a0777b 100644 --- a/arch/x86/lib/thunk_64.S +++ b/arch/x86/lib/thunk_64.S @@ -17,9 +17,27 @@ CFI_STARTPROC /* this one pushes 9 elems, the next one would be %rIP */ - SAVE_ARGS + pushq_cfi %rdi + CFI_REL_OFFSET rdi, 0 + pushq_cfi %rsi + CFI_REL_OFFSET rsi, 0 + pushq_cfi %rdx + CFI_REL_OFFSET rdx, 0 + pushq_cfi %rcx + CFI_REL_OFFSET rcx, 0 + pushq_cfi %rax + CFI_REL_OFFSET rax, 0 + pushq_cfi %r8 + CFI_REL_OFFSET r8, 0 + pushq_cfi %r9 + CFI_REL_OFFSET r9, 0 + pushq_cfi %r10 + CFI_REL_OFFSET r10, 0 + pushq_cfi %r11 + CFI_REL_OFFSET r11, 0 .if \put_ret_addr_in_rdi + /* 9*8(%rsp) is return addr on stack */ movq_cfi_restore 9*8, rdi .endif @@ -45,11 +63,31 @@ #endif #endif - /* SAVE_ARGS below is used only for the .cfi directives it contains. */ +#if defined(CONFIG_TRACE_IRQFLAGS) \ + || defined(CONFIG_DEBUG_LOCK_ALLOC) \ + || defined(CONFIG_PREEMPT) CFI_STARTPROC - SAVE_ARGS + CFI_ADJUST_CFA_OFFSET 9*8 restore: - RESTORE_ARGS + popq_cfi %r11 + CFI_RESTORE r11 + popq_cfi %r10 + CFI_RESTORE r10 + popq_cfi %r9 + CFI_RESTORE r9 + popq_cfi %r8 + CFI_RESTORE r8 + popq_cfi %rax + CFI_RESTORE rax + popq_cfi %rcx + CFI_RESTORE rcx + popq_cfi %rdx + CFI_RESTORE rdx + popq_cfi %rsi + CFI_RESTORE rsi + popq_cfi %rdi + CFI_RESTORE rdi ret CFI_ENDPROC _ASM_NOKPROBE(restore) +#endif |