Commit f9b4747785b1a3f3706ac05b872b18654dc8059c
1 parent
4ee37b10
presque apres les trames de pile 64 . 32
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| @@ -111,7 +111,126 @@ le printf est stocké dans une fonction à l'adresse 0xb7242f00 ? | @@ -111,7 +111,126 @@ le printf est stocké dans une fonction à l'adresse 0xb7242f00 ? | ||
| 111 | 111 | ||
| 112 | 112 | ||
| 113 | 113 | ||
| 114 | -/////////////////////////////////////////////////////////////////////////////////////// | 114 | +/////////////////////////////////////////////////////////////////////////////////////// 4/5 /////////////////////////////////////////////////////////////////////////// |
| 115 | + | ||
| 116 | +Le code du petit programme en assembleur (64 bits) : | ||
| 117 | + | ||
| 118 | +.file "tramedepile.c" | ||
| 119 | + .section .rodata | ||
| 120 | +.LC0: | ||
| 121 | + .string "a+b=%d\n" | ||
| 122 | + .text | ||
| 123 | + .globl addition | ||
| 124 | + .type addition, @function | ||
| 125 | +addition: | ||
| 126 | +.LFB0: | ||
| 127 | + .cfi_startproc | ||
| 128 | + pushq %rbp | ||
| 129 | + .cfi_def_cfa_offset 16 | ||
| 130 | + .cfi_offset 6, -16 | ||
| 131 | + movq %rsp, %rbp | ||
| 132 | + .cfi_def_cfa_register 6 | ||
| 133 | + subq $32, %rsp | ||
| 134 | + movl %edi, -20(%rbp) | ||
| 135 | + movl %esi, -24(%rbp) | ||
| 136 | + movl -20(%rbp), %edx | ||
| 137 | + movl -24(%rbp), %eax | ||
| 138 | + addl %edx, %eax | ||
| 139 | + movl %eax, -4(%rbp) | ||
| 140 | + movl -4(%rbp), %eax | ||
| 141 | + movl %eax, %esi | ||
| 142 | + movl $.LC0, %edi | ||
| 143 | + movl $0, %eax | ||
| 144 | + call printf | ||
| 145 | + leave | ||
| 146 | + .cfi_def_cfa 7, 8 | ||
| 147 | + ret | ||
| 148 | + .cfi_endproc | ||
| 149 | +.LFE0: | ||
| 150 | + .size addition, .-addition | ||
| 151 | + .globl main | ||
| 152 | + .type main, @function | ||
| 153 | +main: | ||
| 154 | +.LFB1: | ||
| 155 | + .cfi_startproc | ||
| 156 | + pushq %rbp | ||
| 157 | + .cfi_def_cfa_offset 16 | ||
| 158 | + .cfi_offset 6, -16 | ||
| 159 | + movq %rsp, %rbp | ||
| 160 | + .cfi_def_cfa_register 6 | ||
| 161 | + movl $1, %esi | ||
| 162 | + movl $1, %edi | ||
| 163 | + call addition | ||
| 164 | + movl $0, %eax | ||
| 165 | + popq %rbp | ||
| 166 | + .cfi_def_cfa 7, 8 | ||
| 167 | + ret | ||
| 168 | + .cfi_endproc | ||
| 169 | +.LFE1: | ||
| 170 | + .size main, .-main | ||
| 171 | + .ident "GCC: (Debian 4.9.2-10) 4.9.2" | ||
| 172 | + .section .note.GNU-stack,"",@progbits | ||
| 173 | + | ||
| 174 | + | ||
| 175 | +rip (8 octets) | ||
| 176 | +rpb (8 octets) | ||
| 177 | +eax/1 (4 octets) | ||
| 178 | +.. (4 octets) | ||
| 179 | +.. (4 octets) | ||
| 180 | +.. (4 octets) | ||
| 181 | +edi/1 (4 octets) | ||
| 182 | +esi/1 (4 octets) | ||
| 183 | +.. (4 octets) | ||
| 184 | + | ||
| 185 | + | ||
| 186 | + | ||
| 187 | + | ||
| 188 | + | ||
| 189 | + | ||
| 190 | +en (normalement) 32 bits : | ||
| 191 | + | ||
| 192 | +.file "tramedepile32.c" | ||
| 193 | + .section .rodata | ||
| 194 | +.LC0: | ||
| 195 | + .string "a+b=%d\n" | ||
| 196 | + .text | ||
| 197 | +.globl addition | ||
| 198 | + .type addition, @function | ||
| 199 | +addition: | ||
| 200 | + pushl %ebp | ||
| 201 | + movl %esp, %ebp | ||
| 202 | + subl $40, %esp | ||
| 203 | + movl 12(%ebp), %eax | ||
| 204 | + movl 8(%ebp), %edx | ||
| 205 | + leal (%edx,%eax), %eax | ||
| 206 | + movl %eax, -12(%ebp) | ||
| 207 | + movl $.LC0, %eax | ||
| 208 | + movl -12(%ebp), %edx | ||
| 209 | + movl %edx, 4(%esp) | ||
| 210 | + movl %eax, (%esp) | ||
| 211 | + call printf | ||
| 212 | + leave | ||
| 213 | + ret | ||
| 214 | + .size addition, .-addition | ||
| 215 | +.globl main | ||
| 216 | + .type main, @function | ||
| 217 | +main: | ||
| 218 | + pushl %ebp | ||
| 219 | + movl %esp, %ebp | ||
| 220 | + andl $-16, %esp | ||
| 221 | + subl $16, %esp | ||
| 222 | + movl $1, 4(%esp) | ||
| 223 | + movl $1, (%esp) | ||
| 224 | + call addition | ||
| 225 | + movl $0, %eax | ||
| 226 | + leave | ||
| 227 | + ret | ||
| 228 | + .size main, .-main | ||
| 229 | + .ident "GCC: (Debian 4.4.5-8) 4.4.5" | ||
| 230 | + .section .note.GNU-stack,"",@progbits | ||
| 231 | + | ||
| 232 | + | ||
| 233 | + | ||
| 115 | 234 | ||
| 116 | 235 | ||
| 117 | 236 |
| @@ -0,0 +1,39 @@ | @@ -0,0 +1,39 @@ | ||
| 1 | + .file "tramedepile32.c" | ||
| 2 | + .section .rodata | ||
| 3 | +.LC0: | ||
| 4 | + .string "a+b=%d\n" | ||
| 5 | + .text | ||
| 6 | +.globl addition | ||
| 7 | + .type addition, @function | ||
| 8 | +addition: | ||
| 9 | + pushl %ebp | ||
| 10 | + movl %esp, %ebp | ||
| 11 | + subl $40, %esp | ||
| 12 | + movl 12(%ebp), %eax | ||
| 13 | + movl 8(%ebp), %edx | ||
| 14 | + leal (%edx,%eax), %eax | ||
| 15 | + movl %eax, -12(%ebp) | ||
| 16 | + movl $.LC0, %eax | ||
| 17 | + movl -12(%ebp), %edx | ||
| 18 | + movl %edx, 4(%esp) | ||
| 19 | + movl %eax, (%esp) | ||
| 20 | + call printf | ||
| 21 | + leave | ||
| 22 | + ret | ||
| 23 | + .size addition, .-addition | ||
| 24 | +.globl main | ||
| 25 | + .type main, @function | ||
| 26 | +main: | ||
| 27 | + pushl %ebp | ||
| 28 | + movl %esp, %ebp | ||
| 29 | + andl $-16, %esp | ||
| 30 | + subl $16, %esp | ||
| 31 | + movl $1, 4(%esp) | ||
| 32 | + movl $1, (%esp) | ||
| 33 | + call addition | ||
| 34 | + movl $0, %eax | ||
| 35 | + leave | ||
| 36 | + ret | ||
| 37 | + .size main, .-main | ||
| 38 | + .ident "GCC: (Debian 4.4.5-8) 4.4.5" | ||
| 39 | + .section .note.GNU-stack,"",@progbits |