fib.wat with cranelift

fib-frames.dump

.debug_frame contents:

00000000 00000014 ffffffff CIE
  Version:               1
  Augmentation:          ""
  Code alignment factor: 1
  Data alignment factor: -8
  Return address column: 16

  DW_CFA_def_cfa: reg7 +8
  DW_CFA_offset: reg16 -8
  DW_CFA_nop:
  DW_CFA_nop:
  DW_CFA_nop:
  DW_CFA_nop:
  DW_CFA_nop:
  DW_CFA_nop:

00000018 00000034 00000000 FDE cie=00000000 pc=00000000...000000cf
  DW_CFA_advance_loc: 19
  DW_CFA_def_cfa_offset: +16
  DW_CFA_offset: reg6 -16
  DW_CFA_advance_loc: 3
  DW_CFA_def_cfa_register: reg6
  DW_CFA_advance_loc: 2
  DW_CFA_offset: reg12 -24
  DW_CFA_advance_loc: 2
  DW_CFA_offset: reg13 -32
  DW_CFA_advance_loc: 2
  DW_CFA_offset: reg14 -40
  DW_CFA_advance_loc: 2
  DW_CFA_offset: reg15 -48
  DW_CFA_advance_loc1: 176
  DW_CFA_def_cfa: reg7 +8
  DW_CFA_nop:
  DW_CFA_nop:
  DW_CFA_nop:
  DW_CFA_nop:
  DW_CFA_nop:
  DW_CFA_nop:
  DW_CFA_nop:

fib.dump

fib0.o:     file format mach-o-x86-64


Disassembly of section __TEXT..text:

0000000000000000 <__wasm_function_0>:
   0:	48 8b 07             	mov    (%rdi),%rax
   3:	48 8b 00             	mov    (%rax),%rax
   6:	48 83 c0 20          	add    $0x20,%rax
   a:	48 39 e0             	cmp    %rsp,%rax
   d:	72 02                	jb     11 <__wasm_function_0+0x11>
   f:	0f 0b                	ud2    
  11:	40 55                	rex push %rbp
  13:	48 89 e5             	mov    %rsp,%rbp
  16:	41 54                	push   %r12
  18:	41 55                	push   %r13
  1a:	41 56                	push   %r14
  1c:	41 57                	push   %r15
  1e:	48 83 ec 20          	sub    $0x20,%rsp
  22:	48 89 bc 24 10 00 00 	mov    %rdi,0x10(%rsp)
  29:	00 
  2a:	40 89 94 24 1c 00 00 	rex mov %edx,0x1c(%rsp)
  31:	00 
  32:	40 b8 01 00 00 00    	rex mov $0x1,%eax
  38:	40 89 84 24 18 00 00 	rex mov %eax,0x18(%rsp)
  3f:	00 
  40:	41 89 d7             	mov    %edx,%r15d
  43:	41 83 ff 02          	cmp    $0x2,%r15d
  47:	40 72 6b             	rex jb b5 <__wasm_function_0+0xb5>
  4a:	48 b8 00 00 00 00 00 	movabs $0x0,%rax
  51:	00 00 00 
  54:	48 89 84 24 08 00 00 	mov    %rax,0x8(%rsp)
  5b:	00 
  5c:	44 8b bc 24 1c 00 00 	mov    0x1c(%rsp),%r15d
  63:	00 
  64:	41 83 c7 ff          	add    $0xffffffff,%r15d
  68:	4c 8b b4 24 10 00 00 	mov    0x10(%rsp),%r14
  6f:	00 
  70:	4c 8b ac 24 08 00 00 	mov    0x8(%rsp),%r13
  77:	00 
  78:	4d 89 f4             	mov    %r14,%r12
  7b:	4c 89 e7             	mov    %r12,%rdi
  7e:	4c 89 f6             	mov    %r14,%rsi
  81:	44 89 fa             	mov    %r15d,%edx
  84:	41 ff d5             	callq  *%r13
  87:	44 8b bc 24 18 00 00 	mov    0x18(%rsp),%r15d
  8e:	00 
  8f:	44 01 f8             	add    %r15d,%eax
  92:	40 89 84 24 18 00 00 	rex mov %eax,0x18(%rsp)
  99:	00 
  9a:	44 8b bc 24 1c 00 00 	mov    0x1c(%rsp),%r15d
  a1:	00 
  a2:	41 83 c7 fe          	add    $0xfffffffe,%r15d
  a6:	44 89 bc 24 1c 00 00 	mov    %r15d,0x1c(%rsp)
  ad:	00 
  ae:	41 83 ff 01          	cmp    $0x1,%r15d
  b2:	40 77 a7             	rex ja 5c <__wasm_function_0+0x5c>
  b5:	44 8b bc 24 18 00 00 	mov    0x18(%rsp),%r15d
  bc:	00 
  bd:	44 89 f8             	mov    %r15d,%eax
  c0:	48 83 c4 20          	add    $0x20,%rsp
  c4:	41 5f                	pop    %r15
  c6:	41 5e                	pop    %r14
  c8:	41 5d                	pop    %r13
  ca:	41 5c                	pop    %r12
  cc:	40 5d                	rex pop %rbp
  ce:	c3                   	retq