OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [gas/] [testsuite/] [gas/] [cfi/] [cfi-x86_64.s] - Blame information for rev 832

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 38 julius
        .text
2
 
3
#; func_locvars
4
#; - function with a space on the stack 
5
#;   allocated for local variables
6
 
7
        .type   func_locvars,@function
8
func_locvars:
9
        .cfi_startproc
10
 
11
        #; alocate space for local vars
12
        sub     $0x1234,%rsp
13
        .cfi_adjust_cfa_offset  0x1234
14
 
15
        #; dummy body
16
        movl    $1,%eax
17
 
18
        #; release space of local vars and return
19
        add     $0x1234,%rsp
20
        .cfi_adjust_cfa_offset  -0x1234
21
        ret
22
        .cfi_endproc
23
 
24
#; func_prologue
25
#; - functions that begins with standard
26
#;   prologue: "pushq %rbp; movq %rsp,%rbp"
27
 
28
        .type   func_prologue,@function
29
func_prologue:
30
        .cfi_startproc
31
 
32
        #; prologue, CFI is valid after 
33
        #; each instruction.
34
        pushq   %rbp
35
        .cfi_def_cfa_offset     16
36
        .cfi_offset             %rbp, -16
37
        movq    %rsp, %rbp
38
        .cfi_def_cfa_register   %rbp
39
 
40
        #; function body
41
        call    func_locvars
42
        addl    $3, %eax
43
 
44
        #; epilogue with valid CFI
45
        #; (we're better than gcc :-)
46
        leaveq
47
        .cfi_def_cfa            %rsp, 8
48
        ret
49
        .cfi_endproc
50
 
51
#; func_otherreg
52
#; - function that moves frame pointer to 
53
#;   another register (r12) and then allocates 
54
#;   a space for local variables
55
 
56
        .type   func_otherreg,@function
57
func_otherreg:
58
        .cfi_startproc
59
 
60
        #; save frame pointer to r8
61
        movq    %rsp,%r8
62
        .cfi_def_cfa_register   r8
63
 
64
        #; alocate space for local vars
65
        #;  (no .cfi_{def,adjust}_cfa_offset here,
66
        #;   because CFA is computed from r8!)
67
        sub     $100,%rsp
68
 
69
        #; function body
70
        call    func_prologue
71
        addl    $2, %eax
72
 
73
        #; restore frame pointer from r8
74
        movq    %r8,%rsp
75
        .cfi_def_cfa_register   rsp
76
        ret
77
        .cfi_endproc
78
 
79
#; main
80
#; - typical function
81
        .type   main,@function
82
main:
83
        .cfi_startproc
84
 
85
        #; only function body that doesn't
86
        #; touch the stack at all.
87
        call    func_otherreg
88
 
89
        #; return
90
        ret
91
        .cfi_endproc
92
 
93
#; _start
94
#; - standard entry point
95
 
96
        .type   _start,@function
97
        .globl  _start
98
_start:
99
        .cfi_startproc
100
        call    main
101
        movq    %rax,%rdi
102
        movq    $0x3c,%rax
103
        syscall
104
        hlt
105
        .cfi_endproc
106
 
107
#; func_alldirectives
108
#; - test for all .cfi directives. 
109
#;   This function is never called and the CFI info doesn't make sense.
110
 
111
        .type   func_alldirectives,@function
112
func_alldirectives:
113
        .cfi_startproc simple
114
        .cfi_def_cfa    rsp,8
115
        nop
116
        .cfi_def_cfa_offset     16
117
        nop
118
        .cfi_def_cfa_register   r8
119
        nop
120
        .cfi_adjust_cfa_offset  0x1234
121
        nop
122
        .cfi_offset     %rsi, 0x10
123
        nop
124
        .cfi_register   %r8, %r9
125
        nop
126
        .cfi_remember_state
127
        nop
128
        .cfi_restore %rbp
129
        nop
130
        .cfi_undefined %rip
131
        nop
132
        .cfi_same_value rbx
133
        nop
134
        .cfi_restore_state
135
        ret
136
        .cfi_endproc
137
 
138
#; func_all_registers
139
#; - test for all .cfi register numbers. 
140
#;   This function is never called and the CFI info doesn't make sense.
141
 
142
        .type   func_all_registers,@function
143
func_all_registers:
144
        .cfi_startproc simple
145
 
146
        .cfi_undefined rip      ; nop
147
        .cfi_undefined rax      ; nop
148
        .cfi_undefined rcx      ; nop
149
        .cfi_undefined rdx      ; nop
150
        .cfi_undefined rbx      ; nop
151
        .cfi_undefined rsp      ; nop
152
        .cfi_undefined rbp      ; nop
153
        .cfi_undefined rsi      ; nop
154
        .cfi_undefined rdi      ; nop
155
        .cfi_undefined r8       ; nop
156
        .cfi_undefined r9       ; nop
157
        .cfi_undefined r10      ; nop
158
        .cfi_undefined r11      ; nop
159
        .cfi_undefined r12      ; nop
160
        .cfi_undefined r13      ; nop
161
        .cfi_undefined r14      ; nop
162
        .cfi_undefined r15      ; nop
163
        .cfi_undefined rflags   ; nop
164
 
165
        .cfi_undefined es       ; nop
166
        .cfi_undefined cs       ; nop
167
        .cfi_undefined ds       ; nop
168
        .cfi_undefined ss       ; nop
169
        .cfi_undefined fs       ; nop
170
        .cfi_undefined gs       ; nop
171
        .cfi_undefined tr       ; nop
172
        .cfi_undefined ldtr     ; nop
173
        .cfi_undefined fs.base  ; nop
174
        .cfi_undefined gs.base  ; nop
175
 
176
        .cfi_undefined mxcsr    ; nop
177
        .cfi_undefined xmm0     ; nop
178
        .cfi_undefined xmm1     ; nop
179
        .cfi_undefined xmm2     ; nop
180
        .cfi_undefined xmm3     ; nop
181
        .cfi_undefined xmm4     ; nop
182
        .cfi_undefined xmm5     ; nop
183
        .cfi_undefined xmm6     ; nop
184
        .cfi_undefined xmm7     ; nop
185
        .cfi_undefined xmm8     ; nop
186
        .cfi_undefined xmm9     ; nop
187
        .cfi_undefined xmm10    ; nop
188
        .cfi_undefined xmm11    ; nop
189
        .cfi_undefined xmm12    ; nop
190
        .cfi_undefined xmm13    ; nop
191
        .cfi_undefined xmm14    ; nop
192
        .cfi_undefined xmm15    ; nop
193
 
194
        .cfi_undefined fcw      ; nop
195
        .cfi_undefined fsw      ; nop
196
        .cfi_undefined st       ; nop
197
        .cfi_undefined st(1)    ; nop
198
        .cfi_undefined st(2)    ; nop
199
        .cfi_undefined st(3)    ; nop
200
        .cfi_undefined st(4)    ; nop
201
        .cfi_undefined st(5)    ; nop
202
        .cfi_undefined st(6)    ; nop
203
        .cfi_undefined st(7)    ; nop
204
 
205
        .cfi_undefined mm0      ; nop
206
        .cfi_undefined mm1      ; nop
207
        .cfi_undefined mm2      ; nop
208
        .cfi_undefined mm3      ; nop
209
        .cfi_undefined mm4      ; nop
210
        .cfi_undefined mm5      ; nop
211
        .cfi_undefined mm6      ; nop
212
        .cfi_undefined mm7      ; nop
213
 
214
        .cfi_undefined ymm0     ; nop
215
        .cfi_undefined ymm1     ; nop
216
        .cfi_undefined ymm2     ; nop
217
        .cfi_undefined ymm3     ; nop
218
        .cfi_undefined ymm4     ; nop
219
        .cfi_undefined ymm5     ; nop
220
        .cfi_undefined ymm6     ; nop
221
        .cfi_undefined ymm7     ; nop
222
        .cfi_undefined ymm8     ; nop
223
        .cfi_undefined ymm9     ; nop
224
        .cfi_undefined ymm10    ; nop
225
        .cfi_undefined ymm11    ; nop
226
        .cfi_undefined ymm12    ; nop
227
        .cfi_undefined ymm13    ; nop
228
        .cfi_undefined ymm14    ; nop
229
        .cfi_undefined ymm15    ; nop
230
 
231
        .cfi_endproc

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.