amd64-tailcall-ret.S revision 1.3
1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2012-2015 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18/* This source file was generated by: 19 gcc -o gdb.arch/amd64-tailcall-ret.S gdb.arch/amd64-tailcall-ret.c -Wall -S -dA -O2 -g 20 */ 21 22 .file "amd64-tailcall-ret.c" 23 .text 24.Ltext0: 25 .p2align 4,,15 26 .type g, @function 27g: 28.LFB0: 29 .file 1 "gdb.arch/amd64-tailcall-ret.c" 30 # gdb.arch/amd64-tailcall-ret.c:22 31 .loc 1 22 0 32 .cfi_startproc 33# BLOCK 2 freq:10000 seq:0 34# PRED: ENTRY [100.0%] (fallthru) 35 # gdb.arch/amd64-tailcall-ret.c:23 36 .loc 1 23 0 37 movl $2, v(%rip) 38# SUCC: EXIT [100.0%] 39 ret 40 .cfi_endproc 41.LFE0: 42 .size g, .-g 43 .p2align 4,,15 44 .type f, @function 45f: 46.LFB1: 47 # gdb.arch/amd64-tailcall-ret.c:28 48 .loc 1 28 0 49 .cfi_startproc 50# BLOCK 2 freq:10000 seq:0 51# PRED: ENTRY [100.0%] (fallthru) 52 # gdb.arch/amd64-tailcall-ret.c:29 53 .loc 1 29 0 54 jmp g 55# SUCC: EXIT [100.0%] (ab,sibcall) 56.LVL0: 57 .cfi_endproc 58.LFE1: 59 .size f, .-f 60 .section .text.startup,"ax",@progbits 61 .p2align 4,,15 62 .globl main 63 .type main, @function 64main: 65.LFB2: 66 # gdb.arch/amd64-tailcall-ret.c:34 67 .loc 1 34 0 68 .cfi_startproc 69# BLOCK 2 freq:10000 seq:0 70# PRED: ENTRY [100.0%] (fallthru) 71 # gdb.arch/amd64-tailcall-ret.c:35 72 .loc 1 35 0 73 call f 74.LVL1: 75 # gdb.arch/amd64-tailcall-ret.c:36 76 .loc 1 36 0 77 call f 78.LVL2: 79 # gdb.arch/amd64-tailcall-ret.c:37 80 .loc 1 37 0 81 movl $3, v(%rip) 82 # gdb.arch/amd64-tailcall-ret.c:39 83 .loc 1 39 0 84 xorl %eax, %eax 85# SUCC: EXIT [100.0%] 86 ret 87 .cfi_endproc 88.LFE2: 89 .size main, .-main 90 .comm v,4,4 91 .text 92.Letext0: 93 .section .debug_info,"",@progbits 94.Ldebug_info0: 95 .long 0xd5 # Length of Compilation Unit Info 96 .value 0x2 # DWARF version number 97 .long .Ldebug_abbrev0 # Offset Into Abbrev. Section 98 .byte 0x8 # Pointer Size (in bytes) 99 .uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit) 100 .long .LASF0 # DW_AT_producer: "GNU C 4.7.2 20120911 (prerelease)" 101 .byte 0x1 # DW_AT_language 102 .long .LASF1 # DW_AT_name: "gdb.arch/amd64-tailcall-ret.c" 103 .long .LASF2 # DW_AT_comp_dir: "" 104 .long .Ldebug_ranges0+0 # DW_AT_ranges 105 .quad 0 # DW_AT_low_pc 106 .quad 0 # DW_AT_entry_pc 107 .long .Ldebug_line0 # DW_AT_stmt_list 108 .uleb128 0x2 # (DIE (0x31) DW_TAG_subprogram) 109 .ascii "g\0" # DW_AT_name 110 .byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-ret.c) 111 .byte 0x15 # DW_AT_decl_line 112 .byte 0x1 # DW_AT_prototyped 113 .quad .LFB0 # DW_AT_low_pc 114 .quad .LFE0 # DW_AT_high_pc 115 .byte 0x2 # DW_AT_frame_base 116 .byte 0x77 # DW_OP_breg7 117 .sleb128 8 118 .byte 0x1 # DW_AT_GNU_all_call_sites 119 .uleb128 0x3 # (DIE (0x4b) DW_TAG_subprogram) 120 .ascii "f\0" # DW_AT_name 121 .byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-ret.c) 122 .byte 0x1b # DW_AT_decl_line 123 .byte 0x1 # DW_AT_prototyped 124 .quad .LFB1 # DW_AT_low_pc 125 .quad .LFE1 # DW_AT_high_pc 126 .byte 0x2 # DW_AT_frame_base 127 .byte 0x77 # DW_OP_breg7 128 .sleb128 8 129 .byte 0x1 # DW_AT_GNU_all_call_sites 130 .long 0x78 # DW_AT_sibling 131 .uleb128 0x4 # (DIE (0x69) DW_TAG_GNU_call_site) 132 .quad .LVL0 # DW_AT_low_pc 133 .byte 0x1 # DW_AT_GNU_tail_call 134 .long 0x31 # DW_AT_abstract_origin 135 .byte 0 # end of children of DIE 0x4b 136 .uleb128 0x5 # (DIE (0x78) DW_TAG_subprogram) 137 .byte 0x1 # DW_AT_external 138 .long .LASF3 # DW_AT_name: "main" 139 .byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-ret.c) 140 .byte 0x21 # DW_AT_decl_line 141 .byte 0x1 # DW_AT_prototyped 142 .long 0xb8 # DW_AT_type 143 .quad .LFB2 # DW_AT_low_pc 144 .quad .LFE2 # DW_AT_high_pc 145 .byte 0x2 # DW_AT_frame_base 146 .byte 0x77 # DW_OP_breg7 147 .sleb128 8 148 .byte 0x1 # DW_AT_GNU_all_call_sites 149 .long 0xb8 # DW_AT_sibling 150 .uleb128 0x6 # (DIE (0x9d) DW_TAG_GNU_call_site) 151 .quad .LVL1 # DW_AT_low_pc 152 .long 0x4b # DW_AT_abstract_origin 153 .uleb128 0x6 # (DIE (0xaa) DW_TAG_GNU_call_site) 154 .quad .LVL2 # DW_AT_low_pc 155 .long 0x4b # DW_AT_abstract_origin 156 .byte 0 # end of children of DIE 0x78 157 .uleb128 0x7 # (DIE (0xb8) DW_TAG_base_type) 158 .byte 0x4 # DW_AT_byte_size 159 .byte 0x5 # DW_AT_encoding 160 .ascii "int\0" # DW_AT_name 161 .uleb128 0x8 # (DIE (0xbf) DW_TAG_variable) 162 .ascii "v\0" # DW_AT_name 163 .byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-ret.c) 164 .byte 0x12 # DW_AT_decl_line 165 .long 0xd3 # DW_AT_type 166 .byte 0x1 # DW_AT_external 167 .byte 0x9 # DW_AT_location 168 .byte 0x3 # DW_OP_addr 169 .quad v 170 .uleb128 0x9 # (DIE (0xd3) DW_TAG_volatile_type) 171 .long 0xb8 # DW_AT_type 172 .byte 0 # end of children of DIE 0xb 173 .section .debug_abbrev,"",@progbits 174.Ldebug_abbrev0: 175 .uleb128 0x1 # (abbrev code) 176 .uleb128 0x11 # (TAG: DW_TAG_compile_unit) 177 .byte 0x1 # DW_children_yes 178 .uleb128 0x25 # (DW_AT_producer) 179 .uleb128 0xe # (DW_FORM_strp) 180 .uleb128 0x13 # (DW_AT_language) 181 .uleb128 0xb # (DW_FORM_data1) 182 .uleb128 0x3 # (DW_AT_name) 183 .uleb128 0xe # (DW_FORM_strp) 184 .uleb128 0x1b # (DW_AT_comp_dir) 185 .uleb128 0xe # (DW_FORM_strp) 186 .uleb128 0x55 # (DW_AT_ranges) 187 .uleb128 0x6 # (DW_FORM_data4) 188 .uleb128 0x11 # (DW_AT_low_pc) 189 .uleb128 0x1 # (DW_FORM_addr) 190 .uleb128 0x52 # (DW_AT_entry_pc) 191 .uleb128 0x1 # (DW_FORM_addr) 192 .uleb128 0x10 # (DW_AT_stmt_list) 193 .uleb128 0x6 # (DW_FORM_data4) 194 .byte 0 195 .byte 0 196 .uleb128 0x2 # (abbrev code) 197 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 198 .byte 0 # DW_children_no 199 .uleb128 0x3 # (DW_AT_name) 200 .uleb128 0x8 # (DW_FORM_string) 201 .uleb128 0x3a # (DW_AT_decl_file) 202 .uleb128 0xb # (DW_FORM_data1) 203 .uleb128 0x3b # (DW_AT_decl_line) 204 .uleb128 0xb # (DW_FORM_data1) 205 .uleb128 0x27 # (DW_AT_prototyped) 206 .uleb128 0xc # (DW_FORM_flag) 207 .uleb128 0x11 # (DW_AT_low_pc) 208 .uleb128 0x1 # (DW_FORM_addr) 209 .uleb128 0x12 # (DW_AT_high_pc) 210 .uleb128 0x1 # (DW_FORM_addr) 211 .uleb128 0x40 # (DW_AT_frame_base) 212 .uleb128 0xa # (DW_FORM_block1) 213 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 214 .uleb128 0xc # (DW_FORM_flag) 215 .byte 0 216 .byte 0 217 .uleb128 0x3 # (abbrev code) 218 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 219 .byte 0x1 # DW_children_yes 220 .uleb128 0x3 # (DW_AT_name) 221 .uleb128 0x8 # (DW_FORM_string) 222 .uleb128 0x3a # (DW_AT_decl_file) 223 .uleb128 0xb # (DW_FORM_data1) 224 .uleb128 0x3b # (DW_AT_decl_line) 225 .uleb128 0xb # (DW_FORM_data1) 226 .uleb128 0x27 # (DW_AT_prototyped) 227 .uleb128 0xc # (DW_FORM_flag) 228 .uleb128 0x11 # (DW_AT_low_pc) 229 .uleb128 0x1 # (DW_FORM_addr) 230 .uleb128 0x12 # (DW_AT_high_pc) 231 .uleb128 0x1 # (DW_FORM_addr) 232 .uleb128 0x40 # (DW_AT_frame_base) 233 .uleb128 0xa # (DW_FORM_block1) 234 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 235 .uleb128 0xc # (DW_FORM_flag) 236 .uleb128 0x1 # (DW_AT_sibling) 237 .uleb128 0x13 # (DW_FORM_ref4) 238 .byte 0 239 .byte 0 240 .uleb128 0x4 # (abbrev code) 241 .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) 242 .byte 0 # DW_children_no 243 .uleb128 0x11 # (DW_AT_low_pc) 244 .uleb128 0x1 # (DW_FORM_addr) 245 .uleb128 0x2115 # (DW_AT_GNU_tail_call) 246 .uleb128 0xc # (DW_FORM_flag) 247 .uleb128 0x31 # (DW_AT_abstract_origin) 248 .uleb128 0x13 # (DW_FORM_ref4) 249 .byte 0 250 .byte 0 251 .uleb128 0x5 # (abbrev code) 252 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 253 .byte 0x1 # DW_children_yes 254 .uleb128 0x3f # (DW_AT_external) 255 .uleb128 0xc # (DW_FORM_flag) 256 .uleb128 0x3 # (DW_AT_name) 257 .uleb128 0xe # (DW_FORM_strp) 258 .uleb128 0x3a # (DW_AT_decl_file) 259 .uleb128 0xb # (DW_FORM_data1) 260 .uleb128 0x3b # (DW_AT_decl_line) 261 .uleb128 0xb # (DW_FORM_data1) 262 .uleb128 0x27 # (DW_AT_prototyped) 263 .uleb128 0xc # (DW_FORM_flag) 264 .uleb128 0x49 # (DW_AT_type) 265 .uleb128 0x13 # (DW_FORM_ref4) 266 .uleb128 0x11 # (DW_AT_low_pc) 267 .uleb128 0x1 # (DW_FORM_addr) 268 .uleb128 0x12 # (DW_AT_high_pc) 269 .uleb128 0x1 # (DW_FORM_addr) 270 .uleb128 0x40 # (DW_AT_frame_base) 271 .uleb128 0xa # (DW_FORM_block1) 272 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 273 .uleb128 0xc # (DW_FORM_flag) 274 .uleb128 0x1 # (DW_AT_sibling) 275 .uleb128 0x13 # (DW_FORM_ref4) 276 .byte 0 277 .byte 0 278 .uleb128 0x6 # (abbrev code) 279 .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) 280 .byte 0 # DW_children_no 281 .uleb128 0x11 # (DW_AT_low_pc) 282 .uleb128 0x1 # (DW_FORM_addr) 283 .uleb128 0x31 # (DW_AT_abstract_origin) 284 .uleb128 0x13 # (DW_FORM_ref4) 285 .byte 0 286 .byte 0 287 .uleb128 0x7 # (abbrev code) 288 .uleb128 0x24 # (TAG: DW_TAG_base_type) 289 .byte 0 # DW_children_no 290 .uleb128 0xb # (DW_AT_byte_size) 291 .uleb128 0xb # (DW_FORM_data1) 292 .uleb128 0x3e # (DW_AT_encoding) 293 .uleb128 0xb # (DW_FORM_data1) 294 .uleb128 0x3 # (DW_AT_name) 295 .uleb128 0x8 # (DW_FORM_string) 296 .byte 0 297 .byte 0 298 .uleb128 0x8 # (abbrev code) 299 .uleb128 0x34 # (TAG: DW_TAG_variable) 300 .byte 0 # DW_children_no 301 .uleb128 0x3 # (DW_AT_name) 302 .uleb128 0x8 # (DW_FORM_string) 303 .uleb128 0x3a # (DW_AT_decl_file) 304 .uleb128 0xb # (DW_FORM_data1) 305 .uleb128 0x3b # (DW_AT_decl_line) 306 .uleb128 0xb # (DW_FORM_data1) 307 .uleb128 0x49 # (DW_AT_type) 308 .uleb128 0x13 # (DW_FORM_ref4) 309 .uleb128 0x3f # (DW_AT_external) 310 .uleb128 0xc # (DW_FORM_flag) 311 .uleb128 0x2 # (DW_AT_location) 312 .uleb128 0xa # (DW_FORM_block1) 313 .byte 0 314 .byte 0 315 .uleb128 0x9 # (abbrev code) 316 .uleb128 0x35 # (TAG: DW_TAG_volatile_type) 317 .byte 0 # DW_children_no 318 .uleb128 0x49 # (DW_AT_type) 319 .uleb128 0x13 # (DW_FORM_ref4) 320 .byte 0 321 .byte 0 322 .byte 0 323 .section .debug_aranges,"",@progbits 324 .long 0x3c # Length of Address Ranges Info 325 .value 0x2 # DWARF Version 326 .long .Ldebug_info0 # Offset of Compilation Unit Info 327 .byte 0x8 # Size of Address 328 .byte 0 # Size of Segment Descriptor 329 .value 0 # Pad to 16 byte boundary 330 .value 0 331 .quad .Ltext0 # Address 332 .quad .Letext0-.Ltext0 # Length 333 .quad .LFB2 # Address 334 .quad .LFE2-.LFB2 # Length 335 .quad 0 336 .quad 0 337 .section .debug_ranges,"",@progbits 338.Ldebug_ranges0: 339 .quad .Ltext0 # Offset 0 340 .quad .Letext0 341 .quad .LFB2 # Offset 0x10 342 .quad .LFE2 343 .quad 0 344 .quad 0 345 .section .debug_line,"",@progbits 346.Ldebug_line0: 347 .section .debug_str,"MS",@progbits,1 348.LASF0: 349 .string "GNU C 4.7.2 20120911 (prerelease)" 350.LASF1: 351 .string "gdb.arch/amd64-tailcall-ret.c" 352.LASF2: 353 .string "" 354.LASF3: 355 .string "main" 356 .ident "GCC: (GNU) 4.7.2 20120911 (prerelease)" 357 .section .note.GNU-stack,"",@progbits 358