4 #; - function with a space on the stack
5 #; allocated for local variables
10 #; alocate space for local vars
12 .cfi_adjust_cfa_offset 0x1234
17 #; release space of local vars and return
19 .cfi_adjust_cfa_offset -0x1234
24 #; - functions that begins with standard
25 #; prologue: "pushq %rbp; movq %rsp,%rbp"
30 #; prologue, CFI is valid after
36 .cfi_def_cfa_register ebp
42 #; epilogue with valid CFI
43 #; (we're better than gcc :-)
45 .cfi_def_cfa_register esp
50 #; - function that moves frame pointer to
51 #; another register (ebx) and then allocates
52 #; a space for local variables
57 #; save frame pointer to ebx
59 .cfi_def_cfa_register ebx
61 #; alocate space for local vars
62 #; (no .cfi_{def,adjust}_cfa_offset here,
63 #; because CFA is computed from ebx!)
70 #; restore frame pointer from ebx
81 #; only function body that doesn't
82 #; touch the stack at all.
90 #; - standard entry point
102 #; func_all_registers
103 #; - test for all .cfi register numbers.
104 #; This function is never called and the CFI info doesn't make sense.
107 .cfi_startproc simple
109 .cfi_undefined eip ; nop
110 .cfi_undefined eax ; nop
111 .cfi_undefined ecx ; nop
112 .cfi_undefined edx ; nop
113 .cfi_undefined ebx ; nop
114 .cfi_undefined esp ; nop
115 .cfi_undefined ebp ; nop
116 .cfi_undefined esi ; nop
117 .cfi_undefined edi ; nop
118 .cfi_undefined eflags ; nop
120 .cfi_undefined es ; nop
121 .cfi_undefined cs ; nop
122 .cfi_undefined ds ; nop
123 .cfi_undefined ss ; nop
124 .cfi_undefined fs ; nop
125 .cfi_undefined gs ; nop
126 .cfi_undefined tr ; nop
127 .cfi_undefined ldtr ; nop
129 .cfi_undefined mxcsr ; nop
130 .cfi_undefined xmm0 ; nop
131 .cfi_undefined xmm1 ; nop
132 .cfi_undefined xmm2 ; nop
133 .cfi_undefined xmm3 ; nop
134 .cfi_undefined xmm4 ; nop
135 .cfi_undefined xmm5 ; nop
136 .cfi_undefined xmm6 ; nop
137 .cfi_undefined xmm7 ; nop
139 .cfi_undefined fcw ; nop
140 .cfi_undefined fsw ; nop
141 .cfi_undefined st ; nop
142 .cfi_undefined st(1) ; nop
143 .cfi_undefined st(2) ; nop
144 .cfi_undefined st(3) ; nop
145 .cfi_undefined st(4) ; nop
146 .cfi_undefined st(5) ; nop
147 .cfi_undefined st(6) ; nop
148 .cfi_undefined st(7) ; nop
150 .cfi_undefined mm0 ; nop
151 .cfi_undefined mm1 ; nop
152 .cfi_undefined mm2 ; nop
153 .cfi_undefined mm3 ; nop
154 .cfi_undefined mm4 ; nop
155 .cfi_undefined mm5 ; nop
156 .cfi_undefined mm6 ; nop
157 .cfi_undefined mm7 ; nop
159 .cfi_undefined k0 ; nop
160 .cfi_undefined k1 ; nop
161 .cfi_undefined k2 ; nop
162 .cfi_undefined k3 ; nop
163 .cfi_undefined k4 ; nop
164 .cfi_undefined k5 ; nop
165 .cfi_undefined k6 ; nop
166 .cfi_undefined k7 ; nop