1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2012-2020 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/* This source file was generated by: 19 gcc -o gdb.reverse/amd64-tailcall-reverse.S gdb.reverse/amd64-tailcall-reverse.c -Wall -S -dA -O2 -g 20 */ 21 22 .file "amd64-tailcall-reverse.c" 23 .text 24.Ltext0: 25 .p2align 4,,15 26 .type g, @function 27g: 28.LFB0: 29 .file 1 "gdb.reverse/amd64-tailcall-reverse.c" 30 # gdb.reverse/amd64-tailcall-reverse.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.reverse/amd64-tailcall-reverse.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.reverse/amd64-tailcall-reverse.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.reverse/amd64-tailcall-reverse.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.reverse/amd64-tailcall-reverse.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.reverse/amd64-tailcall-reverse.c:35 72 .loc 1 35 0 73 movl $1, v(%rip) 74 # gdb.reverse/amd64-tailcall-reverse.c:36 75 .loc 1 36 0 76 call f 77.LVL1: 78 # gdb.reverse/amd64-tailcall-reverse.c:37 79 .loc 1 37 0 80 movl $3, v(%rip) 81 # gdb.reverse/amd64-tailcall-reverse.c:39 82 .loc 1 39 0 83 xorl %eax, %eax 84# SUCC: EXIT [100.0%] 85 ret 86 .cfi_endproc 87.LFE2: 88 .size main, .-main 89 .comm v,4,4 90 .text 91.Letext0: 92 .section .debug_info,"",@progbits 93.Ldebug_info0: 94 .long 0xc8 # Length of Compilation Unit Info 95 .value 0x2 # DWARF version number 96 .long .Ldebug_abbrev0 # Offset Into Abbrev. Section 97 .byte 0x8 # Pointer Size (in bytes) 98 .uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit) 99 .long .LASF0 # DW_AT_producer: "GNU C 4.7.2 20120911 (prerelease)" 100 .byte 0x1 # DW_AT_language 101 .long .LASF1 # DW_AT_name: "gdb.reverse/amd64-tailcall-reverse.c" 102 .long .LASF2 # DW_AT_comp_dir: "" 103 .long .Ldebug_ranges0+0 # DW_AT_ranges 104 .quad 0 # DW_AT_low_pc 105 .quad 0 # DW_AT_entry_pc 106 .long .Ldebug_line0 # DW_AT_stmt_list 107 .uleb128 0x2 # (DIE (0x31) DW_TAG_subprogram) 108 .ascii "g\0" # DW_AT_name 109 .byte 0x1 # DW_AT_decl_file (gdb.reverse/amd64-tailcall-reverse.c) 110 .byte 0x15 # DW_AT_decl_line 111 .byte 0x1 # DW_AT_prototyped 112 .quad .LFB0 # DW_AT_low_pc 113 .quad .LFE0 # DW_AT_high_pc 114 .byte 0x2 # DW_AT_frame_base 115 .byte 0x77 # DW_OP_breg7 116 .sleb128 8 117 .byte 0x1 # DW_AT_GNU_all_call_sites 118 .uleb128 0x3 # (DIE (0x4b) DW_TAG_subprogram) 119 .ascii "f\0" # DW_AT_name 120 .byte 0x1 # DW_AT_decl_file (gdb.reverse/amd64-tailcall-reverse.c) 121 .byte 0x1b # DW_AT_decl_line 122 .byte 0x1 # DW_AT_prototyped 123 .quad .LFB1 # DW_AT_low_pc 124 .quad .LFE1 # DW_AT_high_pc 125 .byte 0x2 # DW_AT_frame_base 126 .byte 0x77 # DW_OP_breg7 127 .sleb128 8 128 .byte 0x1 # DW_AT_GNU_all_call_sites 129 .long 0x78 # DW_AT_sibling 130 .uleb128 0x4 # (DIE (0x69) DW_TAG_GNU_call_site) 131 .quad .LVL0 # DW_AT_low_pc 132 .byte 0x1 # DW_AT_GNU_tail_call 133 .long 0x31 # DW_AT_abstract_origin 134 .byte 0 # end of children of DIE 0x4b 135 .uleb128 0x5 # (DIE (0x78) DW_TAG_subprogram) 136 .byte 0x1 # DW_AT_external 137 .long .LASF3 # DW_AT_name: "main" 138 .byte 0x1 # DW_AT_decl_file (gdb.reverse/amd64-tailcall-reverse.c) 139 .byte 0x21 # DW_AT_decl_line 140 .byte 0x1 # DW_AT_prototyped 141 .long 0xab # DW_AT_type 142 .quad .LFB2 # DW_AT_low_pc 143 .quad .LFE2 # DW_AT_high_pc 144 .byte 0x2 # DW_AT_frame_base 145 .byte 0x77 # DW_OP_breg7 146 .sleb128 8 147 .byte 0x1 # DW_AT_GNU_all_call_sites 148 .long 0xab # DW_AT_sibling 149 .uleb128 0x6 # (DIE (0x9d) DW_TAG_GNU_call_site) 150 .quad .LVL1 # DW_AT_low_pc 151 .long 0x4b # DW_AT_abstract_origin 152 .byte 0 # end of children of DIE 0x78 153 .uleb128 0x7 # (DIE (0xab) DW_TAG_base_type) 154 .byte 0x4 # DW_AT_byte_size 155 .byte 0x5 # DW_AT_encoding 156 .ascii "int\0" # DW_AT_name 157 .uleb128 0x8 # (DIE (0xb2) DW_TAG_variable) 158 .ascii "v\0" # DW_AT_name 159 .byte 0x1 # DW_AT_decl_file (gdb.reverse/amd64-tailcall-reverse.c) 160 .byte 0x12 # DW_AT_decl_line 161 .long 0xc6 # DW_AT_type 162 .byte 0x1 # DW_AT_external 163 .byte 0x9 # DW_AT_location 164 .byte 0x3 # DW_OP_addr 165 .quad v 166 .uleb128 0x9 # (DIE (0xc6) DW_TAG_volatile_type) 167 .long 0xab # DW_AT_type 168 .byte 0 # end of children of DIE 0xb 169 .section .debug_abbrev,"",@progbits 170.Ldebug_abbrev0: 171 .uleb128 0x1 # (abbrev code) 172 .uleb128 0x11 # (TAG: DW_TAG_compile_unit) 173 .byte 0x1 # DW_children_yes 174 .uleb128 0x25 # (DW_AT_producer) 175 .uleb128 0xe # (DW_FORM_strp) 176 .uleb128 0x13 # (DW_AT_language) 177 .uleb128 0xb # (DW_FORM_data1) 178 .uleb128 0x3 # (DW_AT_name) 179 .uleb128 0xe # (DW_FORM_strp) 180 .uleb128 0x1b # (DW_AT_comp_dir) 181 .uleb128 0xe # (DW_FORM_strp) 182 .uleb128 0x55 # (DW_AT_ranges) 183 .uleb128 0x6 # (DW_FORM_data4) 184 .uleb128 0x11 # (DW_AT_low_pc) 185 .uleb128 0x1 # (DW_FORM_addr) 186 .uleb128 0x52 # (DW_AT_entry_pc) 187 .uleb128 0x1 # (DW_FORM_addr) 188 .uleb128 0x10 # (DW_AT_stmt_list) 189 .uleb128 0x6 # (DW_FORM_data4) 190 .byte 0 191 .byte 0 192 .uleb128 0x2 # (abbrev code) 193 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 194 .byte 0 # DW_children_no 195 .uleb128 0x3 # (DW_AT_name) 196 .uleb128 0x8 # (DW_FORM_string) 197 .uleb128 0x3a # (DW_AT_decl_file) 198 .uleb128 0xb # (DW_FORM_data1) 199 .uleb128 0x3b # (DW_AT_decl_line) 200 .uleb128 0xb # (DW_FORM_data1) 201 .uleb128 0x27 # (DW_AT_prototyped) 202 .uleb128 0xc # (DW_FORM_flag) 203 .uleb128 0x11 # (DW_AT_low_pc) 204 .uleb128 0x1 # (DW_FORM_addr) 205 .uleb128 0x12 # (DW_AT_high_pc) 206 .uleb128 0x1 # (DW_FORM_addr) 207 .uleb128 0x40 # (DW_AT_frame_base) 208 .uleb128 0xa # (DW_FORM_block1) 209 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 210 .uleb128 0xc # (DW_FORM_flag) 211 .byte 0 212 .byte 0 213 .uleb128 0x3 # (abbrev code) 214 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 215 .byte 0x1 # DW_children_yes 216 .uleb128 0x3 # (DW_AT_name) 217 .uleb128 0x8 # (DW_FORM_string) 218 .uleb128 0x3a # (DW_AT_decl_file) 219 .uleb128 0xb # (DW_FORM_data1) 220 .uleb128 0x3b # (DW_AT_decl_line) 221 .uleb128 0xb # (DW_FORM_data1) 222 .uleb128 0x27 # (DW_AT_prototyped) 223 .uleb128 0xc # (DW_FORM_flag) 224 .uleb128 0x11 # (DW_AT_low_pc) 225 .uleb128 0x1 # (DW_FORM_addr) 226 .uleb128 0x12 # (DW_AT_high_pc) 227 .uleb128 0x1 # (DW_FORM_addr) 228 .uleb128 0x40 # (DW_AT_frame_base) 229 .uleb128 0xa # (DW_FORM_block1) 230 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 231 .uleb128 0xc # (DW_FORM_flag) 232 .uleb128 0x1 # (DW_AT_sibling) 233 .uleb128 0x13 # (DW_FORM_ref4) 234 .byte 0 235 .byte 0 236 .uleb128 0x4 # (abbrev code) 237 .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) 238 .byte 0 # DW_children_no 239 .uleb128 0x11 # (DW_AT_low_pc) 240 .uleb128 0x1 # (DW_FORM_addr) 241 .uleb128 0x2115 # (DW_AT_GNU_tail_call) 242 .uleb128 0xc # (DW_FORM_flag) 243 .uleb128 0x31 # (DW_AT_abstract_origin) 244 .uleb128 0x13 # (DW_FORM_ref4) 245 .byte 0 246 .byte 0 247 .uleb128 0x5 # (abbrev code) 248 .uleb128 0x2e # (TAG: DW_TAG_subprogram) 249 .byte 0x1 # DW_children_yes 250 .uleb128 0x3f # (DW_AT_external) 251 .uleb128 0xc # (DW_FORM_flag) 252 .uleb128 0x3 # (DW_AT_name) 253 .uleb128 0xe # (DW_FORM_strp) 254 .uleb128 0x3a # (DW_AT_decl_file) 255 .uleb128 0xb # (DW_FORM_data1) 256 .uleb128 0x3b # (DW_AT_decl_line) 257 .uleb128 0xb # (DW_FORM_data1) 258 .uleb128 0x27 # (DW_AT_prototyped) 259 .uleb128 0xc # (DW_FORM_flag) 260 .uleb128 0x49 # (DW_AT_type) 261 .uleb128 0x13 # (DW_FORM_ref4) 262 .uleb128 0x11 # (DW_AT_low_pc) 263 .uleb128 0x1 # (DW_FORM_addr) 264 .uleb128 0x12 # (DW_AT_high_pc) 265 .uleb128 0x1 # (DW_FORM_addr) 266 .uleb128 0x40 # (DW_AT_frame_base) 267 .uleb128 0xa # (DW_FORM_block1) 268 .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) 269 .uleb128 0xc # (DW_FORM_flag) 270 .uleb128 0x1 # (DW_AT_sibling) 271 .uleb128 0x13 # (DW_FORM_ref4) 272 .byte 0 273 .byte 0 274 .uleb128 0x6 # (abbrev code) 275 .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) 276 .byte 0 # DW_children_no 277 .uleb128 0x11 # (DW_AT_low_pc) 278 .uleb128 0x1 # (DW_FORM_addr) 279 .uleb128 0x31 # (DW_AT_abstract_origin) 280 .uleb128 0x13 # (DW_FORM_ref4) 281 .byte 0 282 .byte 0 283 .uleb128 0x7 # (abbrev code) 284 .uleb128 0x24 # (TAG: DW_TAG_base_type) 285 .byte 0 # DW_children_no 286 .uleb128 0xb # (DW_AT_byte_size) 287 .uleb128 0xb # (DW_FORM_data1) 288 .uleb128 0x3e # (DW_AT_encoding) 289 .uleb128 0xb # (DW_FORM_data1) 290 .uleb128 0x3 # (DW_AT_name) 291 .uleb128 0x8 # (DW_FORM_string) 292 .byte 0 293 .byte 0 294 .uleb128 0x8 # (abbrev code) 295 .uleb128 0x34 # (TAG: DW_TAG_variable) 296 .byte 0 # DW_children_no 297 .uleb128 0x3 # (DW_AT_name) 298 .uleb128 0x8 # (DW_FORM_string) 299 .uleb128 0x3a # (DW_AT_decl_file) 300 .uleb128 0xb # (DW_FORM_data1) 301 .uleb128 0x3b # (DW_AT_decl_line) 302 .uleb128 0xb # (DW_FORM_data1) 303 .uleb128 0x49 # (DW_AT_type) 304 .uleb128 0x13 # (DW_FORM_ref4) 305 .uleb128 0x3f # (DW_AT_external) 306 .uleb128 0xc # (DW_FORM_flag) 307 .uleb128 0x2 # (DW_AT_location) 308 .uleb128 0xa # (DW_FORM_block1) 309 .byte 0 310 .byte 0 311 .uleb128 0x9 # (abbrev code) 312 .uleb128 0x35 # (TAG: DW_TAG_volatile_type) 313 .byte 0 # DW_children_no 314 .uleb128 0x49 # (DW_AT_type) 315 .uleb128 0x13 # (DW_FORM_ref4) 316 .byte 0 317 .byte 0 318 .byte 0 319 .section .debug_aranges,"",@progbits 320 .long 0x3c # Length of Address Ranges Info 321 .value 0x2 # DWARF Version 322 .long .Ldebug_info0 # Offset of Compilation Unit Info 323 .byte 0x8 # Size of Address 324 .byte 0 # Size of Segment Descriptor 325 .value 0 # Pad to 16 byte boundary 326 .value 0 327 .quad .Ltext0 # Address 328 .quad .Letext0-.Ltext0 # Length 329 .quad .LFB2 # Address 330 .quad .LFE2-.LFB2 # Length 331 .quad 0 332 .quad 0 333 .section .debug_ranges,"",@progbits 334.Ldebug_ranges0: 335 .quad .Ltext0 # Offset 0 336 .quad .Letext0 337 .quad .LFB2 # Offset 0x10 338 .quad .LFE2 339 .quad 0 340 .quad 0 341 .section .debug_line,"",@progbits 342.Ldebug_line0: 343 .section .debug_str,"MS",@progbits,1 344.LASF3: 345 .string "main" 346.LASF0: 347 .string "GNU C 4.7.2 20120911 (prerelease)" 348.LASF1: 349 .string "gdb.reverse/amd64-tailcall-reverse.c" 350.LASF2: 351 .string "" 352 .ident "GCC: (GNU) 4.7.2 20120911 (prerelease)" 353 .section .note.GNU-stack,"",@progbits 354