x86_64-tailcall-only.S revision 1.1.1.2
1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2016-2017 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 19 This file has been generated using: 20 gcc -S -O2 -dA -g tailcall-only.c -o x86_64-tailcall-only.S */ 21 22 .file "tailcall-only.c" 23 .text 24.Ltext0: 25 .p2align 4,,15 26 .type bar_1, @function 27bar_1: 28.LFB0: 29 .file 1 "tailcall-only.c" 30 # tailcall-only.c:22 31 .loc 1 22 0 32 .cfi_startproc 33# BLOCK 2 freq:10000 seq:0 34# PRED: ENTRY [100.0%] (FALLTHRU) 35 # tailcall-only.c:24 36 .loc 1 24 0 37 movl $42, %eax 38# SUCC: EXIT [100.0%] 39 ret 40 .cfi_endproc 41.LFE0: 42 .size bar_1, .-bar_1 43 .p2align 4,,15 44 .type bar, @function 45bar: 46.LFB1: 47 # tailcall-only.c:28 48 .loc 1 28 0 49 .cfi_startproc 50# BLOCK 2 freq:10000 seq:0 51# PRED: ENTRY [100.0%] (FALLTHRU) 52 # tailcall-only.c:29 53 .loc 1 29 0 54 jmp bar_1 55# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL) 56.LVL0: 57 .cfi_endproc 58.LFE1: 59 .size bar, .-bar 60 .p2align 4,,15 61 .type foo_1, @function 62foo_1: 63.LFB2: 64 # tailcall-only.c:34 65 .loc 1 34 0 66 .cfi_startproc 67# BLOCK 2 freq:10000 seq:0 68# PRED: ENTRY [100.0%] (FALLTHRU) 69 # tailcall-only.c:35 70 .loc 1 35 0 71 jmp bar 72# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL) 73.LVL1: 74 .cfi_endproc 75.LFE2: 76 .size foo_1, .-foo_1 77 .p2align 4,,15 78 .type foo, @function 79foo: 80.LFB3: 81 # tailcall-only.c:40 82 .loc 1 40 0 83 .cfi_startproc 84# BLOCK 2 freq:10000 seq:0 85# PRED: ENTRY [100.0%] (FALLTHRU) 86 # tailcall-only.c:41 87 .loc 1 41 0 88 jmp foo_1 89# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL) 90.LVL2: 91 .cfi_endproc 92.LFE3: 93 .size foo, .-foo 94 .section .text.startup,"ax",@progbits 95 .p2align 4,,15 96 .globl main 97 .type main, @function 98main: 99.LFB4: 100 # tailcall-only.c:46 101 .loc 1 46 0 102 .cfi_startproc 103# BLOCK 2 freq:10000 seq:0 104# PRED: ENTRY [100.0%] (FALLTHRU) 105 # tailcall-only.c:49 106 .loc 1 49 0 107 call foo 108.LVL3: 109 # tailcall-only.c:50 110 .loc 1 50 0 111 addl $1, %eax 112.LVL4: 113# SUCC: EXIT [100.0%] 114 # tailcall-only.c:53 115 .loc 1 53 0 116 ret 117 .cfi_endproc 118.LFE4: 119 .size main, .-main 120 .text 121.Letext0: 122 .section .debug_info,"",@progbits 123.Ldebug_info0: 124 .long 0x111 # Length of Compilation Unit Info 125 .value 0x4 # DWARF version number 126 .long .Ldebug_abbrev0 # Offset Into Abbrev. Section 127 .byte 0x8 # Pointer Size (in bytes) 128 .uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit) 129 .long .LASF1 # DW_AT_producer: "GNU C 4.8.3 20140911 (Red Hat 4.8.3-9) -mtune=generic -march=x86-64 -g -O2" 130 .byte 0x1 # DW_AT_language 131 .long .LASF2 # DW_AT_name: "tailcall-only.c" 132 .long .LASF3 # DW_AT_comp_dir: "" 133 .long .Ldebug_ranges0+0 # DW_AT_ranges 134 .quad 0 # DW_AT_low_pc 135 .long .Ldebug_line0 # DW_AT_stmt_list 136 .uleb128 0x2 # (DIE (0x29) DW_TAG_subprogram) 137 .long .LASF4 # DW_AT_name: "bar_1" 138 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 139 .byte 0x15 # DW_AT_decl_line 140 # DW_AT_prototyped 141 .long 0x46 # DW_AT_type 142 .quad .LFB0 # DW_AT_low_pc 143 .quad .LFE0-.LFB0 # DW_AT_high_pc 144 .uleb128 0x1 # DW_AT_frame_base 145 .byte 0x9c # DW_OP_call_frame_cfa 146 # DW_AT_GNU_all_call_sites 147 .uleb128 0x3 # (DIE (0x46) DW_TAG_base_type) 148 .byte 0x4 # DW_AT_byte_size 149 .byte 0x5 # DW_AT_encoding 150 .ascii "int\0" # DW_AT_name 151 .uleb128 0x4 # (DIE (0x4d) DW_TAG_subprogram) 152 .ascii "bar\0" # DW_AT_name 153 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 154 .byte 0x1b # DW_AT_decl_line 155 # DW_AT_prototyped 156 .long 0x46 # DW_AT_type 157 .quad .LFB1 # DW_AT_low_pc 158 .quad .LFE1-.LFB1 # DW_AT_high_pc 159 .uleb128 0x1 # DW_AT_frame_base 160 .byte 0x9c # DW_OP_call_frame_cfa 161 # DW_AT_GNU_all_call_sites 162 .long 0x7c # DW_AT_sibling 163 .uleb128 0x5 # (DIE (0x6e) DW_TAG_GNU_call_site) 164 .quad .LVL0 # DW_AT_low_pc 165 # DW_AT_GNU_tail_call 166 .long 0x29 # DW_AT_abstract_origin 167 .byte 0 # end of children of DIE 0x4d 168 .uleb128 0x6 # (DIE (0x7c) DW_TAG_subprogram) 169 .long .LASF0 # DW_AT_name: "foo_1" 170 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 171 .byte 0x21 # DW_AT_decl_line 172 # DW_AT_prototyped 173 .long 0x46 # DW_AT_type 174 .quad .LFB2 # DW_AT_low_pc 175 .quad .LFE2-.LFB2 # DW_AT_high_pc 176 .uleb128 0x1 # DW_AT_frame_base 177 .byte 0x9c # DW_OP_call_frame_cfa 178 # DW_AT_GNU_all_call_sites 179 .long 0xab # DW_AT_sibling 180 .uleb128 0x5 # (DIE (0x9d) DW_TAG_GNU_call_site) 181 .quad .LVL1 # DW_AT_low_pc 182 # DW_AT_GNU_tail_call 183 .long 0x4d # DW_AT_abstract_origin 184 .byte 0 # end of children of DIE 0x7c 185 .uleb128 0x4 # (DIE (0xab) DW_TAG_subprogram) 186 .ascii "foo\0" # DW_AT_name 187 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 188 .byte 0x27 # DW_AT_decl_line 189 # DW_AT_prototyped 190 .long 0x46 # DW_AT_type 191 .quad .LFB3 # DW_AT_low_pc 192 .quad .LFE3-.LFB3 # DW_AT_high_pc 193 .uleb128 0x1 # DW_AT_frame_base 194 .byte 0x9c # DW_OP_call_frame_cfa 195 # DW_AT_GNU_all_call_sites 196 .long 0xda # DW_AT_sibling 197 .uleb128 0x5 # (DIE (0xcc) DW_TAG_GNU_call_site) 198 .quad .LVL2 # DW_AT_low_pc 199 # DW_AT_GNU_tail_call 200 .long 0x7c # DW_AT_abstract_origin 201 .byte 0 # end of children of DIE 0xab 202 .uleb128 0x7 # (DIE (0xda) DW_TAG_subprogram) 203 # DW_AT_external 204 .long .LASF5 # DW_AT_name: "main" 205 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 206 .byte 0x2d # DW_AT_decl_line 207 # DW_AT_prototyped 208 .long 0x46 # DW_AT_type 209 .quad .LFB4 # DW_AT_low_pc 210 .quad .LFE4-.LFB4 # DW_AT_high_pc 211 .uleb128 0x1 # DW_AT_frame_base 212 .byte 0x9c # DW_OP_call_frame_cfa 213 # DW_AT_GNU_all_call_sites 214 .uleb128 0x8 # (DIE (0xf7) DW_TAG_variable) 215 .long .LASF6 # DW_AT_name: "answer" 216 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 217 .byte 0x2f # DW_AT_decl_line 218 .long 0x46 # DW_AT_type 219 .long .LLST0 # DW_AT_location 220 .uleb128 0x9 # (DIE (0x106) DW_TAG_GNU_call_site) 221 .quad .LVL3 # DW_AT_low_pc 222 .long 0xab # DW_AT_abstract_origin 223 .byte 0 # end of children of DIE 0xda 224 .byte 0 # end of children of DIE 0xb 225 .section .debug_abbrev,"",@progbits 226.Ldebug_abbrev0: 227 .uleb128 0x1 # (abbrev code) 228 .uleb128 0x11 # (TAG: DW_TAG_compile_unit) 229 .byte 0x1 # DW_children_yes 230 .uleb128 0x25 # (DW_AT_producer) 231 .uleb128 0xe # (DW_FORM_strp) 232 .uleb128 0x13 # (DW_AT_language) 233 .uleb128 0xb # (DW_FORM_data1) 234 .uleb128 0x3 # (DW_AT_name) 235 .uleb128 0xe # (DW_FORM_strp) 236 .uleb128 0x1b # (DW_AT_comp_dir) 237 .uleb128 0xe # (DW_FORM_strp) 238 .uleb128 0x55 # (DW_AT_ranges) 239 .uleb128 0x17 # (DW_FORM_sec_offset) 240 .uleb128 0x11 # (DW_AT_low_pc) 241 .uleb128 0x1 # (DW_FORM_addr) 242 .uleb128 0x10 # (DW_AT_stmt_list) 243 .uleb128 0x17 # (DW_FORM_sec_offset) 244 .byte 0 245 .byte 0 246 .uleb128 0x2 # (abbrev code) 247 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 248 .byte 0 # DW_children_no 249 .uleb128 0x3 # (DW_AT_name) 250 .uleb128 0xe # (DW_FORM_strp) 251 .uleb128 0x3a # (DW_AT_decl_file) 252 .uleb128 0xb # (DW_FORM_data1) 253 .uleb128 0x3b # (DW_AT_decl_line) 254 .uleb128 0xb # (DW_FORM_data1) 255 .uleb128 0x27 # (DW_AT_prototyped) 256 .uleb128 0x19 # (DW_FORM_flag_present) 257 .uleb128 0x49 # (DW_AT_type) 258 .uleb128 0x13 # (DW_FORM_ref4) 259 .uleb128 0x11 # (DW_AT_low_pc) 260 .uleb128 0x1 # (DW_FORM_addr) 261 .uleb128 0x12 # (DW_AT_high_pc) 262 .uleb128 0x7 # (DW_FORM_data8) 263 .uleb128 0x40 # (DW_AT_frame_base) 264 .uleb128 0x18 # (DW_FORM_exprloc) 265 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 266 .uleb128 0x19 # (DW_FORM_flag_present) 267 .byte 0 268 .byte 0 269 .uleb128 0x3 # (abbrev code) 270 .uleb128 0x24 # (TAG: DW_TAG_base_type) 271 .byte 0 # DW_children_no 272 .uleb128 0xb # (DW_AT_byte_size) 273 .uleb128 0xb # (DW_FORM_data1) 274 .uleb128 0x3e # (DW_AT_encoding) 275 .uleb128 0xb # (DW_FORM_data1) 276 .uleb128 0x3 # (DW_AT_name) 277 .uleb128 0x8 # (DW_FORM_string) 278 .byte 0 279 .byte 0 280 .uleb128 0x4 # (abbrev code) 281 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 282 .byte 0x1 # DW_children_yes 283 .uleb128 0x3 # (DW_AT_name) 284 .uleb128 0x8 # (DW_FORM_string) 285 .uleb128 0x3a # (DW_AT_decl_file) 286 .uleb128 0xb # (DW_FORM_data1) 287 .uleb128 0x3b # (DW_AT_decl_line) 288 .uleb128 0xb # (DW_FORM_data1) 289 .uleb128 0x27 # (DW_AT_prototyped) 290 .uleb128 0x19 # (DW_FORM_flag_present) 291 .uleb128 0x49 # (DW_AT_type) 292 .uleb128 0x13 # (DW_FORM_ref4) 293 .uleb128 0x11 # (DW_AT_low_pc) 294 .uleb128 0x1 # (DW_FORM_addr) 295 .uleb128 0x12 # (DW_AT_high_pc) 296 .uleb128 0x7 # (DW_FORM_data8) 297 .uleb128 0x40 # (DW_AT_frame_base) 298 .uleb128 0x18 # (DW_FORM_exprloc) 299 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 300 .uleb128 0x19 # (DW_FORM_flag_present) 301 .uleb128 0x1 # (DW_AT_sibling) 302 .uleb128 0x13 # (DW_FORM_ref4) 303 .byte 0 304 .byte 0 305 .uleb128 0x5 # (abbrev code) 306 .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) 307 .byte 0 # DW_children_no 308 .uleb128 0x11 # (DW_AT_low_pc) 309 .uleb128 0x1 # (DW_FORM_addr) 310 .uleb128 0x2115 # (DW_AT_GNU_tail_call) 311 .uleb128 0x19 # (DW_FORM_flag_present) 312 .uleb128 0x31 # (DW_AT_abstract_origin) 313 .uleb128 0x13 # (DW_FORM_ref4) 314 .byte 0 315 .byte 0 316 .uleb128 0x6 # (abbrev code) 317 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 318 .byte 0x1 # DW_children_yes 319 .uleb128 0x3 # (DW_AT_name) 320 .uleb128 0xe # (DW_FORM_strp) 321 .uleb128 0x3a # (DW_AT_decl_file) 322 .uleb128 0xb # (DW_FORM_data1) 323 .uleb128 0x3b # (DW_AT_decl_line) 324 .uleb128 0xb # (DW_FORM_data1) 325 .uleb128 0x27 # (DW_AT_prototyped) 326 .uleb128 0x19 # (DW_FORM_flag_present) 327 .uleb128 0x49 # (DW_AT_type) 328 .uleb128 0x13 # (DW_FORM_ref4) 329 .uleb128 0x11 # (DW_AT_low_pc) 330 .uleb128 0x1 # (DW_FORM_addr) 331 .uleb128 0x12 # (DW_AT_high_pc) 332 .uleb128 0x7 # (DW_FORM_data8) 333 .uleb128 0x40 # (DW_AT_frame_base) 334 .uleb128 0x18 # (DW_FORM_exprloc) 335 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 336 .uleb128 0x19 # (DW_FORM_flag_present) 337 .uleb128 0x1 # (DW_AT_sibling) 338 .uleb128 0x13 # (DW_FORM_ref4) 339 .byte 0 340 .byte 0 341 .uleb128 0x7 # (abbrev code) 342 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 343 .byte 0x1 # DW_children_yes 344 .uleb128 0x3f # (DW_AT_external) 345 .uleb128 0x19 # (DW_FORM_flag_present) 346 .uleb128 0x3 # (DW_AT_name) 347 .uleb128 0xe # (DW_FORM_strp) 348 .uleb128 0x3a # (DW_AT_decl_file) 349 .uleb128 0xb # (DW_FORM_data1) 350 .uleb128 0x3b # (DW_AT_decl_line) 351 .uleb128 0xb # (DW_FORM_data1) 352 .uleb128 0x27 # (DW_AT_prototyped) 353 .uleb128 0x19 # (DW_FORM_flag_present) 354 .uleb128 0x49 # (DW_AT_type) 355 .uleb128 0x13 # (DW_FORM_ref4) 356 .uleb128 0x11 # (DW_AT_low_pc) 357 .uleb128 0x1 # (DW_FORM_addr) 358 .uleb128 0x12 # (DW_AT_high_pc) 359 .uleb128 0x7 # (DW_FORM_data8) 360 .uleb128 0x40 # (DW_AT_frame_base) 361 .uleb128 0x18 # (DW_FORM_exprloc) 362 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 363 .uleb128 0x19 # (DW_FORM_flag_present) 364 .byte 0 365 .byte 0 366 .uleb128 0x8 # (abbrev code) 367 .uleb128 0x34 # (TAG: DW_TAG_variable) 368 .byte 0 # DW_children_no 369 .uleb128 0x3 # (DW_AT_name) 370 .uleb128 0xe # (DW_FORM_strp) 371 .uleb128 0x3a # (DW_AT_decl_file) 372 .uleb128 0xb # (DW_FORM_data1) 373 .uleb128 0x3b # (DW_AT_decl_line) 374 .uleb128 0xb # (DW_FORM_data1) 375 .uleb128 0x49 # (DW_AT_type) 376 .uleb128 0x13 # (DW_FORM_ref4) 377 .uleb128 0x2 # (DW_AT_location) 378 .uleb128 0x17 # (DW_FORM_sec_offset) 379 .byte 0 380 .byte 0 381 .uleb128 0x9 # (abbrev code) 382 .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) 383 .byte 0 # DW_children_no 384 .uleb128 0x11 # (DW_AT_low_pc) 385 .uleb128 0x1 # (DW_FORM_addr) 386 .uleb128 0x31 # (DW_AT_abstract_origin) 387 .uleb128 0x13 # (DW_FORM_ref4) 388 .byte 0 389 .byte 0 390 .byte 0 391 .section .debug_loc,"",@progbits 392.Ldebug_loc0: 393.LLST0: 394 .quad .LVL3 # Location list begin address (*.LLST0) 395 .quad .LVL4 # Location list end address (*.LLST0) 396 .value 0x3 # Location expression size 397 .byte 0x70 # DW_OP_breg0 398 .sleb128 1 399 .byte 0x9f # DW_OP_stack_value 400 .quad .LVL4 # Location list begin address (*.LLST0) 401 .quad .LFE4 # Location list end address (*.LLST0) 402 .value 0x1 # Location expression size 403 .byte 0x50 # DW_OP_reg0 404 .quad 0 # Location list terminator begin (*.LLST0) 405 .quad 0 # Location list terminator end (*.LLST0) 406 .section .debug_aranges,"",@progbits 407 .long 0x3c # Length of Address Ranges Info 408 .value 0x2 # DWARF Version 409 .long .Ldebug_info0 # Offset of Compilation Unit Info 410 .byte 0x8 # Size of Address 411 .byte 0 # Size of Segment Descriptor 412 .value 0 # Pad to 16 byte boundary 413 .value 0 414 .quad .Ltext0 # Address 415 .quad .Letext0-.Ltext0 # Length 416 .quad .LFB4 # Address 417 .quad .LFE4-.LFB4 # Length 418 .quad 0 419 .quad 0 420 .section .debug_ranges,"",@progbits 421.Ldebug_ranges0: 422 .quad .Ltext0 # Offset 0 423 .quad .Letext0 424 .quad .LFB4 # Offset 0x10 425 .quad .LFE4 426 .quad 0 427 .quad 0 428 .section .debug_line,"",@progbits 429.Ldebug_line0: 430 .section .debug_str,"MS",@progbits,1 431.LASF4: 432 .string "bar_1" 433.LASF2: 434 .string "tailcall-only.c" 435.LASF1: 436 .string "GNU C 4.8.3 20140911 (Red Hat 4.8.3-9) -mtune=generic -march=x86-64 -g -O2" 437.LASF6: 438 .string "answer" 439.LASF5: 440 .string "main" 441.LASF3: 442 .string "" 443.LASF0: 444 .string "foo_1" 445 .ident "GCC: (GNU) 4.8.3 20140911 (Red Hat 4.8.3-9)" 446 .section .note.GNU-stack,"",@progbits 447