@@ -28,8 +28,10 @@
.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)
movq %rcx,8(%rsp)
movq %rdx,16(%rsp)
@@ -37,6 +39,13 @@ C_LABEL(_mcount)
movq %rdi,32(%rsp)
movq %r8,40(%rsp)
movq %r9,48(%rsp)
+ cfi_rel_offset (rax, 0)
+ cfi_rel_offset (rcx, 8)
+ cfi_rel_offset (rdx, 16)
+ cfi_rel_offset (rsi, 24)
+ cfi_rel_offset (rdi, 32)
+ cfi_rel_offset (r8, 40)
+ cfi_rel_offset (r9, 48)
/* Setup parameter for __mcount_internal. */
/* selfpc is the return address on the stack. */
@@ -58,7 +67,16 @@ C_LABEL(_mcount)
movq 8(%rsp),%rcx
movq (%rsp),%rax
addq $56,%rsp
+ cfi_restore (r9)
+ cfi_restore (r8)
+ cfi_restore (rdi)
+ cfi_restore (rsi)
+ cfi_restore (rdx)
+ cfi_restore (rcx)
+ cfi_restore (rax)
+ cfi_adjust_cfa_offset (-56)
ret
+ cfi_endproc
ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(_mcount))
@@ -69,8 +87,10 @@ 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 for proper stack alignment). */
subq $64,%rsp
+ cfi_adjust_cfa_offset (64)
movq %rax,(%rsp)
movq %rcx,8(%rsp)
movq %rdx,16(%rsp)
@@ -78,6 +98,13 @@ C_LABEL(__fentry__)
movq %rdi,32(%rsp)
movq %r8,40(%rsp)
movq %r9,48(%rsp)
+ cfi_rel_offset (rax, 0)
+ cfi_rel_offset (rcx, 8)
+ cfi_rel_offset (rdx, 16)
+ cfi_rel_offset (rsi, 24)
+ cfi_rel_offset (rdi, 32)
+ cfi_rel_offset (r8, 40)
+ cfi_rel_offset (r9, 48)
/* Setup parameter for __mcount_internal. */
/* selfpc is the return address on the stack. */
@@ -98,7 +125,16 @@ C_LABEL(__fentry__)
movq 16(%rsp),%rdx
movq 8(%rsp),%rcx
movq (%rsp),%rax
+ cfi_restore (r9)
+ cfi_restore (r8)
+ cfi_restore (rdi)
+ cfi_restore (rsi)
+ cfi_restore (rdx)
+ cfi_restore (rcx)
+ cfi_restore (rax)
addq $64,%rsp
+ cfi_adjust_cfa_offset (-64)
ret
+ cfi_endproc
ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(__fentry__))