1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2016-2020 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 -m32 -march=i686 -S -O2 -dA -g tailcall-only.c -o i686-tailcall-only.S 21 */ 22 23 .file "tailcall-only.c" 24 .text 25.Ltext0: 26 .p2align 4,,15 27 .type bar_1, @function 28bar_1: 29.LFB0: 30 .file 1 "tailcall-only.c" 31 # tailcall-only.c:22 32 .loc 1 22 0 33 .cfi_startproc 34# BLOCK 2 freq:10000 seq:0 35# PRED: ENTRY [100.0%] (FALLTHRU) 36 # tailcall-only.c:24 37 .loc 1 24 0 38 movl $42, %eax 39# SUCC: EXIT [100.0%] 40 ret 41 .cfi_endproc 42.LFE0: 43 .size bar_1, .-bar_1 44 .p2align 4,,15 45 .type bar, @function 46bar: 47.LFB1: 48 # tailcall-only.c:28 49 .loc 1 28 0 50 .cfi_startproc 51# BLOCK 2 freq:10000 seq:0 52# PRED: ENTRY [100.0%] (FALLTHRU) 53 # tailcall-only.c:29 54 .loc 1 29 0 55 jmp bar_1 56# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL) 57.LVL0: 58 .cfi_endproc 59.LFE1: 60 .size bar, .-bar 61 .p2align 4,,15 62 .type foo_1, @function 63foo_1: 64.LFB2: 65 # tailcall-only.c:34 66 .loc 1 34 0 67 .cfi_startproc 68# BLOCK 2 freq:10000 seq:0 69# PRED: ENTRY [100.0%] (FALLTHRU) 70 # tailcall-only.c:35 71 .loc 1 35 0 72 jmp bar 73# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL) 74.LVL1: 75 .cfi_endproc 76.LFE2: 77 .size foo_1, .-foo_1 78 .p2align 4,,15 79 .type foo, @function 80foo: 81.LFB3: 82 # tailcall-only.c:40 83 .loc 1 40 0 84 .cfi_startproc 85# BLOCK 2 freq:10000 seq:0 86# PRED: ENTRY [100.0%] (FALLTHRU) 87 # tailcall-only.c:41 88 .loc 1 41 0 89 jmp foo_1 90# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL) 91.LVL2: 92 .cfi_endproc 93.LFE3: 94 .size foo, .-foo 95 .section .text.startup,"ax",@progbits 96 .p2align 4,,15 97 .globl main 98 .type main, @function 99main: 100.LFB4: 101 # tailcall-only.c:46 102 .loc 1 46 0 103 .cfi_startproc 104# BLOCK 2 freq:10000 seq:0 105# PRED: ENTRY [100.0%] (FALLTHRU) 106 # tailcall-only.c:49 107 .loc 1 49 0 108 call foo 109.LVL3: 110 # tailcall-only.c:50 111 .loc 1 50 0 112 addl $1, %eax 113.LVL4: 114# SUCC: EXIT [100.0%] 115 # tailcall-only.c:53 116 .loc 1 53 0 117 ret 118 .cfi_endproc 119.LFE4: 120 .size main, .-main 121 .text 122.Letext0: 123 .section .debug_info,"",@progbits 124.Ldebug_info0: 125 .long 0xd5 # Length of Compilation Unit Info 126 .value 0x4 # DWARF version number 127 .long .Ldebug_abbrev0 # Offset Into Abbrev. Section 128 .byte 0x4 # Pointer Size (in bytes) 129 .uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit) 130 .long .LASF1 # DW_AT_producer: "GNU C 4.8.3 20140911 (Red Hat 4.8.3-9) -m32 -march=i686 -g -O2" 131 .byte 0x1 # DW_AT_language 132 .long .LASF2 # DW_AT_name: "tailcall-only.c" 133 .long .LASF3 # DW_AT_comp_dir: "" 134 .long .Ldebug_ranges0+0 # DW_AT_ranges 135 .long 0 # DW_AT_low_pc 136 .long .Ldebug_line0 # DW_AT_stmt_list 137 .uleb128 0x2 # (DIE (0x25) DW_TAG_subprogram) 138 .long .LASF4 # DW_AT_name: "bar_1" 139 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 140 .byte 0x15 # DW_AT_decl_line 141 # DW_AT_prototyped 142 .long 0x3a # DW_AT_type 143 .long .LFB0 # DW_AT_low_pc 144 .long .LFE0-.LFB0 # DW_AT_high_pc 145 .uleb128 0x1 # DW_AT_frame_base 146 .byte 0x9c # DW_OP_call_frame_cfa 147 # DW_AT_GNU_all_call_sites 148 .uleb128 0x3 # (DIE (0x3a) DW_TAG_base_type) 149 .byte 0x4 # DW_AT_byte_size 150 .byte 0x5 # DW_AT_encoding 151 .ascii "int\0" # DW_AT_name 152 .uleb128 0x4 # (DIE (0x41) DW_TAG_subprogram) 153 .ascii "bar\0" # DW_AT_name 154 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 155 .byte 0x1b # DW_AT_decl_line 156 # DW_AT_prototyped 157 .long 0x3a # DW_AT_type 158 .long .LFB1 # DW_AT_low_pc 159 .long .LFE1-.LFB1 # DW_AT_high_pc 160 .uleb128 0x1 # DW_AT_frame_base 161 .byte 0x9c # DW_OP_call_frame_cfa 162 # DW_AT_GNU_all_call_sites 163 .long 0x64 # DW_AT_sibling 164 .uleb128 0x5 # (DIE (0x5a) DW_TAG_GNU_call_site) 165 .long .LVL0 # DW_AT_low_pc 166 # DW_AT_GNU_tail_call 167 .long 0x25 # DW_AT_abstract_origin 168 .byte 0 # end of children of DIE 0x41 169 .uleb128 0x6 # (DIE (0x64) DW_TAG_subprogram) 170 .long .LASF0 # DW_AT_name: "foo_1" 171 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 172 .byte 0x21 # DW_AT_decl_line 173 # DW_AT_prototyped 174 .long 0x3a # DW_AT_type 175 .long .LFB2 # DW_AT_low_pc 176 .long .LFE2-.LFB2 # DW_AT_high_pc 177 .uleb128 0x1 # DW_AT_frame_base 178 .byte 0x9c # DW_OP_call_frame_cfa 179 # DW_AT_GNU_all_call_sites 180 .long 0x87 # DW_AT_sibling 181 .uleb128 0x5 # (DIE (0x7d) DW_TAG_GNU_call_site) 182 .long .LVL1 # DW_AT_low_pc 183 # DW_AT_GNU_tail_call 184 .long 0x41 # DW_AT_abstract_origin 185 .byte 0 # end of children of DIE 0x64 186 .uleb128 0x4 # (DIE (0x87) DW_TAG_subprogram) 187 .ascii "foo\0" # DW_AT_name 188 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 189 .byte 0x27 # DW_AT_decl_line 190 # DW_AT_prototyped 191 .long 0x3a # DW_AT_type 192 .long .LFB3 # DW_AT_low_pc 193 .long .LFE3-.LFB3 # DW_AT_high_pc 194 .uleb128 0x1 # DW_AT_frame_base 195 .byte 0x9c # DW_OP_call_frame_cfa 196 # DW_AT_GNU_all_call_sites 197 .long 0xaa # DW_AT_sibling 198 .uleb128 0x5 # (DIE (0xa0) DW_TAG_GNU_call_site) 199 .long .LVL2 # DW_AT_low_pc 200 # DW_AT_GNU_tail_call 201 .long 0x64 # DW_AT_abstract_origin 202 .byte 0 # end of children of DIE 0x87 203 .uleb128 0x7 # (DIE (0xaa) DW_TAG_subprogram) 204 # DW_AT_external 205 .long .LASF5 # DW_AT_name: "main" 206 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 207 .byte 0x2d # DW_AT_decl_line 208 # DW_AT_prototyped 209 .long 0x3a # DW_AT_type 210 .long .LFB4 # DW_AT_low_pc 211 .long .LFE4-.LFB4 # DW_AT_high_pc 212 .uleb128 0x1 # DW_AT_frame_base 213 .byte 0x9c # DW_OP_call_frame_cfa 214 # DW_AT_GNU_all_call_sites 215 .uleb128 0x8 # (DIE (0xbf) DW_TAG_variable) 216 .long .LASF6 # DW_AT_name: "answer" 217 .byte 0x1 # DW_AT_decl_file (tailcall-only.c) 218 .byte 0x2f # DW_AT_decl_line 219 .long 0x3a # DW_AT_type 220 .long .LLST0 # DW_AT_location 221 .uleb128 0x9 # (DIE (0xce) DW_TAG_GNU_call_site) 222 .long .LVL3 # DW_AT_low_pc 223 .long 0x87 # DW_AT_abstract_origin 224 .byte 0 # end of children of DIE 0xaa 225 .byte 0 # end of children of DIE 0xb 226 .section .debug_abbrev,"",@progbits 227.Ldebug_abbrev0: 228 .uleb128 0x1 # (abbrev code) 229 .uleb128 0x11 # (TAG: DW_TAG_compile_unit) 230 .byte 0x1 # DW_children_yes 231 .uleb128 0x25 # (DW_AT_producer) 232 .uleb128 0xe # (DW_FORM_strp) 233 .uleb128 0x13 # (DW_AT_language) 234 .uleb128 0xb # (DW_FORM_data1) 235 .uleb128 0x3 # (DW_AT_name) 236 .uleb128 0xe # (DW_FORM_strp) 237 .uleb128 0x1b # (DW_AT_comp_dir) 238 .uleb128 0xe # (DW_FORM_strp) 239 .uleb128 0x55 # (DW_AT_ranges) 240 .uleb128 0x17 # (DW_FORM_sec_offset) 241 .uleb128 0x11 # (DW_AT_low_pc) 242 .uleb128 0x1 # (DW_FORM_addr) 243 .uleb128 0x10 # (DW_AT_stmt_list) 244 .uleb128 0x17 # (DW_FORM_sec_offset) 245 .byte 0 246 .byte 0 247 .uleb128 0x2 # (abbrev code) 248 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 249 .byte 0 # DW_children_no 250 .uleb128 0x3 # (DW_AT_name) 251 .uleb128 0xe # (DW_FORM_strp) 252 .uleb128 0x3a # (DW_AT_decl_file) 253 .uleb128 0xb # (DW_FORM_data1) 254 .uleb128 0x3b # (DW_AT_decl_line) 255 .uleb128 0xb # (DW_FORM_data1) 256 .uleb128 0x27 # (DW_AT_prototyped) 257 .uleb128 0x19 # (DW_FORM_flag_present) 258 .uleb128 0x49 # (DW_AT_type) 259 .uleb128 0x13 # (DW_FORM_ref4) 260 .uleb128 0x11 # (DW_AT_low_pc) 261 .uleb128 0x1 # (DW_FORM_addr) 262 .uleb128 0x12 # (DW_AT_high_pc) 263 .uleb128 0x6 # (DW_FORM_data4) 264 .uleb128 0x40 # (DW_AT_frame_base) 265 .uleb128 0x18 # (DW_FORM_exprloc) 266 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 267 .uleb128 0x19 # (DW_FORM_flag_present) 268 .byte 0 269 .byte 0 270 .uleb128 0x3 # (abbrev code) 271 .uleb128 0x24 # (TAG: DW_TAG_base_type) 272 .byte 0 # DW_children_no 273 .uleb128 0xb # (DW_AT_byte_size) 274 .uleb128 0xb # (DW_FORM_data1) 275 .uleb128 0x3e # (DW_AT_encoding) 276 .uleb128 0xb # (DW_FORM_data1) 277 .uleb128 0x3 # (DW_AT_name) 278 .uleb128 0x8 # (DW_FORM_string) 279 .byte 0 280 .byte 0 281 .uleb128 0x4 # (abbrev code) 282 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 283 .byte 0x1 # DW_children_yes 284 .uleb128 0x3 # (DW_AT_name) 285 .uleb128 0x8 # (DW_FORM_string) 286 .uleb128 0x3a # (DW_AT_decl_file) 287 .uleb128 0xb # (DW_FORM_data1) 288 .uleb128 0x3b # (DW_AT_decl_line) 289 .uleb128 0xb # (DW_FORM_data1) 290 .uleb128 0x27 # (DW_AT_prototyped) 291 .uleb128 0x19 # (DW_FORM_flag_present) 292 .uleb128 0x49 # (DW_AT_type) 293 .uleb128 0x13 # (DW_FORM_ref4) 294 .uleb128 0x11 # (DW_AT_low_pc) 295 .uleb128 0x1 # (DW_FORM_addr) 296 .uleb128 0x12 # (DW_AT_high_pc) 297 .uleb128 0x6 # (DW_FORM_data4) 298 .uleb128 0x40 # (DW_AT_frame_base) 299 .uleb128 0x18 # (DW_FORM_exprloc) 300 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 301 .uleb128 0x19 # (DW_FORM_flag_present) 302 .uleb128 0x1 # (DW_AT_sibling) 303 .uleb128 0x13 # (DW_FORM_ref4) 304 .byte 0 305 .byte 0 306 .uleb128 0x5 # (abbrev code) 307 .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) 308 .byte 0 # DW_children_no 309 .uleb128 0x11 # (DW_AT_low_pc) 310 .uleb128 0x1 # (DW_FORM_addr) 311 .uleb128 0x2115 # (DW_AT_GNU_tail_call) 312 .uleb128 0x19 # (DW_FORM_flag_present) 313 .uleb128 0x31 # (DW_AT_abstract_origin) 314 .uleb128 0x13 # (DW_FORM_ref4) 315 .byte 0 316 .byte 0 317 .uleb128 0x6 # (abbrev code) 318 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 319 .byte 0x1 # DW_children_yes 320 .uleb128 0x3 # (DW_AT_name) 321 .uleb128 0xe # (DW_FORM_strp) 322 .uleb128 0x3a # (DW_AT_decl_file) 323 .uleb128 0xb # (DW_FORM_data1) 324 .uleb128 0x3b # (DW_AT_decl_line) 325 .uleb128 0xb # (DW_FORM_data1) 326 .uleb128 0x27 # (DW_AT_prototyped) 327 .uleb128 0x19 # (DW_FORM_flag_present) 328 .uleb128 0x49 # (DW_AT_type) 329 .uleb128 0x13 # (DW_FORM_ref4) 330 .uleb128 0x11 # (DW_AT_low_pc) 331 .uleb128 0x1 # (DW_FORM_addr) 332 .uleb128 0x12 # (DW_AT_high_pc) 333 .uleb128 0x6 # (DW_FORM_data4) 334 .uleb128 0x40 # (DW_AT_frame_base) 335 .uleb128 0x18 # (DW_FORM_exprloc) 336 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 337 .uleb128 0x19 # (DW_FORM_flag_present) 338 .uleb128 0x1 # (DW_AT_sibling) 339 .uleb128 0x13 # (DW_FORM_ref4) 340 .byte 0 341 .byte 0 342 .uleb128 0x7 # (abbrev code) 343 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 344 .byte 0x1 # DW_children_yes 345 .uleb128 0x3f # (DW_AT_external) 346 .uleb128 0x19 # (DW_FORM_flag_present) 347 .uleb128 0x3 # (DW_AT_name) 348 .uleb128 0xe # (DW_FORM_strp) 349 .uleb128 0x3a # (DW_AT_decl_file) 350 .uleb128 0xb # (DW_FORM_data1) 351 .uleb128 0x3b # (DW_AT_decl_line) 352 .uleb128 0xb # (DW_FORM_data1) 353 .uleb128 0x27 # (DW_AT_prototyped) 354 .uleb128 0x19 # (DW_FORM_flag_present) 355 .uleb128 0x49 # (DW_AT_type) 356 .uleb128 0x13 # (DW_FORM_ref4) 357 .uleb128 0x11 # (DW_AT_low_pc) 358 .uleb128 0x1 # (DW_FORM_addr) 359 .uleb128 0x12 # (DW_AT_high_pc) 360 .uleb128 0x6 # (DW_FORM_data4) 361 .uleb128 0x40 # (DW_AT_frame_base) 362 .uleb128 0x18 # (DW_FORM_exprloc) 363 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 364 .uleb128 0x19 # (DW_FORM_flag_present) 365 .byte 0 366 .byte 0 367 .uleb128 0x8 # (abbrev code) 368 .uleb128 0x34 # (TAG: DW_TAG_variable) 369 .byte 0 # DW_children_no 370 .uleb128 0x3 # (DW_AT_name) 371 .uleb128 0xe # (DW_FORM_strp) 372 .uleb128 0x3a # (DW_AT_decl_file) 373 .uleb128 0xb # (DW_FORM_data1) 374 .uleb128 0x3b # (DW_AT_decl_line) 375 .uleb128 0xb # (DW_FORM_data1) 376 .uleb128 0x49 # (DW_AT_type) 377 .uleb128 0x13 # (DW_FORM_ref4) 378 .uleb128 0x2 # (DW_AT_location) 379 .uleb128 0x17 # (DW_FORM_sec_offset) 380 .byte 0 381 .byte 0 382 .uleb128 0x9 # (abbrev code) 383 .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) 384 .byte 0 # DW_children_no 385 .uleb128 0x11 # (DW_AT_low_pc) 386 .uleb128 0x1 # (DW_FORM_addr) 387 .uleb128 0x31 # (DW_AT_abstract_origin) 388 .uleb128 0x13 # (DW_FORM_ref4) 389 .byte 0 390 .byte 0 391 .byte 0 392 .section .debug_loc,"",@progbits 393.Ldebug_loc0: 394.LLST0: 395 .long .LVL3 # Location list begin address (*.LLST0) 396 .long .LVL4 # Location list end address (*.LLST0) 397 .value 0x3 # Location expression size 398 .byte 0x70 # DW_OP_breg0 399 .sleb128 1 400 .byte 0x9f # DW_OP_stack_value 401 .long .LVL4 # Location list begin address (*.LLST0) 402 .long .LFE4 # Location list end address (*.LLST0) 403 .value 0x1 # Location expression size 404 .byte 0x50 # DW_OP_reg0 405 .long 0 # Location list terminator begin (*.LLST0) 406 .long 0 # Location list terminator end (*.LLST0) 407 .section .debug_aranges,"",@progbits 408 .long 0x24 # Length of Address Ranges Info 409 .value 0x2 # DWARF Version 410 .long .Ldebug_info0 # Offset of Compilation Unit Info 411 .byte 0x4 # Size of Address 412 .byte 0 # Size of Segment Descriptor 413 .value 0 # Pad to 8 byte boundary 414 .value 0 415 .long .Ltext0 # Address 416 .long .Letext0-.Ltext0 # Length 417 .long .LFB4 # Address 418 .long .LFE4-.LFB4 # Length 419 .long 0 420 .long 0 421 .section .debug_ranges,"",@progbits 422.Ldebug_ranges0: 423 .long .Ltext0 # Offset 0 424 .long .Letext0 425 .long .LFB4 # Offset 0x8 426 .long .LFE4 427 .long 0 428 .long 0 429 .section .debug_line,"",@progbits 430.Ldebug_line0: 431 .section .debug_str,"MS",@progbits,1 432.LASF4: 433 .string "bar_1" 434.LASF2: 435 .string "tailcall-only.c" 436.LASF1: 437 .string "GNU C 4.8.3 20140911 (Red Hat 4.8.3-9) -m32 -march=i686 -g -O2" 438.LASF6: 439 .string "answer" 440.LASF5: 441 .string "main" 442.LASF3: 443 .string "" 444.LASF0: 445 .string "foo_1" 446 .ident "GCC: (GNU) 4.8.3 20140911 (Red Hat 4.8.3-9)" 447 .section .note.GNU-stack,"",@progbits 448