@@ -28,15 +28,24 @@
.type C_SYMBOL_NAME(_mcount), @function
.align ALIGNARG(4)
C_LABEL(_mcount)
+ cfi_startproc
/* Allocate space for 7 registers. */
subq $56,%rsp
+ cfi_adjust_cfa_offset (56)
movq %rax,(%rsp)
+ cfi_rel_offset (rax, 0)
movq %rcx,8(%rsp)
+ cfi_rel_offset (rcx, 8)
movq %rdx,16(%rsp)
+ cfi_rel_offset (rdx, 16)
movq %rsi,24(%rsp)
+ cfi_rel_offset (rsi, 24)
movq %rdi,32(%rsp)
+ cfi_rel_offset (rdi, 32)
movq %r8,40(%rsp)
+ cfi_rel_offset (r8, 40)
movq %r9,48(%rsp)
+ cfi_rel_offset (r9, 48)
/* Setup parameter for __mcount_internal. */
/* selfpc is the return address on the stack. */
@@ -51,14 +60,23 @@ C_LABEL(_mcount)
/* Pop the saved registers. Please note that `mcount' has no
return value. */
movq 48(%rsp),%r9
+ cfi_restore (r9)
movq 40(%rsp),%r8
+ cfi_restore (r8)
movq 32(%rsp),%rdi
+ cfi_restore (rdi)
movq 24(%rsp),%rsi
+ cfi_restore (rsi)
movq 16(%rsp),%rdx
+ cfi_restore (rdx)
movq 8(%rsp),%rcx
+ cfi_restore (rcx)
movq (%rsp),%rax
+ cfi_restore (rax)
addq $56,%rsp
+ cfi_adjust_cfa_offset (-56)
ret
+ cfi_endproc
ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(_mcount))
@@ -69,15 +87,25 @@ weak_alias (_mcount, mcount)
.type C_SYMBOL_NAME(__fentry__), @function
.align ALIGNARG(4)
C_LABEL(__fentry__)
- /* Allocate space for 7 registers. */
+ cfi_startproc
+ /* Allocate space for 7 registers
+ (+8 bytes for proper stack alignment). */
subq $64,%rsp
+ cfi_adjust_cfa_offset (64)
movq %rax,(%rsp)
+ cfi_rel_offset (rax, 0)
movq %rcx,8(%rsp)
+ cfi_rel_offset (rcx, 8)
movq %rdx,16(%rsp)
+ cfi_rel_offset (rdx, 16)
movq %rsi,24(%rsp)
+ cfi_rel_offset (rsi, 24)
movq %rdi,32(%rsp)
+ cfi_rel_offset (rdi, 32)
movq %r8,40(%rsp)
+ cfi_rel_offset (r8, 40)
movq %r9,48(%rsp)
+ cfi_rel_offset (r9, 48)
/* Setup parameter for __mcount_internal. */
/* selfpc is the return address on the stack. */
@@ -92,13 +120,22 @@ C_LABEL(__fentry__)
/* Pop the saved registers. Please note that `__fentry__' has no
return value. */
movq 48(%rsp),%r9
+ cfi_restore (r9)
movq 40(%rsp),%r8
+ cfi_restore (r8)
movq 32(%rsp),%rdi
+ cfi_restore (rdi)
movq 24(%rsp),%rsi
+ cfi_restore (rsi)
movq 16(%rsp),%rdx
+ cfi_restore (rdx)
movq 8(%rsp),%rcx
+ cfi_restore (rcx)
movq (%rsp),%rax
+ cfi_restore (rax)
addq $64,%rsp
+ cfi_adjust_cfa_offset (-64)
ret
+ cfi_endproc
ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(__fentry__))