/* This testcase is part of GDB, the GNU debugger. Copyright 2016-2018 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. This file has been generated using: gcc -m32 -march=i686 -S -O2 -dA -g tailcall-only.c -o i686-tailcall-only.S */ .file "tailcall-only.c" .text .Ltext0: .p2align 4,,15 .type bar_1, @function bar_1: .LFB0: .file 1 "tailcall-only.c" # tailcall-only.c:22 .loc 1 22 0 .cfi_startproc # BLOCK 2 freq:10000 seq:0 # PRED: ENTRY [100.0%] (FALLTHRU) # tailcall-only.c:24 .loc 1 24 0 movl $42, %eax # SUCC: EXIT [100.0%] ret .cfi_endproc .LFE0: .size bar_1, .-bar_1 .p2align 4,,15 .type bar, @function bar: .LFB1: # tailcall-only.c:28 .loc 1 28 0 .cfi_startproc # BLOCK 2 freq:10000 seq:0 # PRED: ENTRY [100.0%] (FALLTHRU) # tailcall-only.c:29 .loc 1 29 0 jmp bar_1 # SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL) .LVL0: .cfi_endproc .LFE1: .size bar, .-bar .p2align 4,,15 .type foo_1, @function foo_1: .LFB2: # tailcall-only.c:34 .loc 1 34 0 .cfi_startproc # BLOCK 2 freq:10000 seq:0 # PRED: ENTRY [100.0%] (FALLTHRU) # tailcall-only.c:35 .loc 1 35 0 jmp bar # SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL) .LVL1: .cfi_endproc .LFE2: .size foo_1, .-foo_1 .p2align 4,,15 .type foo, @function foo: .LFB3: # tailcall-only.c:40 .loc 1 40 0 .cfi_startproc # BLOCK 2 freq:10000 seq:0 # PRED: ENTRY [100.0%] (FALLTHRU) # tailcall-only.c:41 .loc 1 41 0 jmp foo_1 # SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL) .LVL2: .cfi_endproc .LFE3: .size foo, .-foo .section .text.startup,"ax",@progbits .p2align 4,,15 .globl main .type main, @function main: .LFB4: # tailcall-only.c:46 .loc 1 46 0 .cfi_startproc # BLOCK 2 freq:10000 seq:0 # PRED: ENTRY [100.0%] (FALLTHRU) # tailcall-only.c:49 .loc 1 49 0 call foo .LVL3: # tailcall-only.c:50 .loc 1 50 0 addl $1, %eax .LVL4: # SUCC: EXIT [100.0%] # tailcall-only.c:53 .loc 1 53 0 ret .cfi_endproc .LFE4: .size main, .-main .text .Letext0: .section .debug_info,"",@progbits .Ldebug_info0: .long 0xd5 # Length of Compilation Unit Info .value 0x4 # DWARF version number .long .Ldebug_abbrev0 # Offset Into Abbrev. Section .byte 0x4 # Pointer Size (in bytes) .uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit) .long .LASF1 # DW_AT_producer: "GNU C 4.8.3 20140911 (Red Hat 4.8.3-9) -m32 -march=i686 -g -O2" .byte 0x1 # DW_AT_language .long .LASF2 # DW_AT_name: "tailcall-only.c" .long .LASF3 # DW_AT_comp_dir: "" .long .Ldebug_ranges0+0 # DW_AT_ranges .long 0 # DW_AT_low_pc .long .Ldebug_line0 # DW_AT_stmt_list .uleb128 0x2 # (DIE (0x25) DW_TAG_subprogram) .long .LASF4 # DW_AT_name: "bar_1" .byte 0x1 # DW_AT_decl_file (tailcall-only.c) .byte 0x15 # DW_AT_decl_line # DW_AT_prototyped .long 0x3a # DW_AT_type .long .LFB0 # DW_AT_low_pc .long .LFE0-.LFB0 # DW_AT_high_pc .uleb128 0x1 # DW_AT_frame_base .byte 0x9c # DW_OP_call_frame_cfa # DW_AT_GNU_all_call_sites .uleb128 0x3 # (DIE (0x3a) DW_TAG_base_type) .byte 0x4 # DW_AT_byte_size .byte 0x5 # DW_AT_encoding .ascii "int\0" # DW_AT_name .uleb128 0x4 # (DIE (0x41) DW_TAG_subprogram) .ascii "bar\0" # DW_AT_name .byte 0x1 # DW_AT_decl_file (tailcall-only.c) .byte 0x1b # DW_AT_decl_line # DW_AT_prototyped .long 0x3a # DW_AT_type .long .LFB1 # DW_AT_low_pc .long .LFE1-.LFB1 # DW_AT_high_pc .uleb128 0x1 # DW_AT_frame_base .byte 0x9c # DW_OP_call_frame_cfa # DW_AT_GNU_all_call_sites .long 0x64 # DW_AT_sibling .uleb128 0x5 # (DIE (0x5a) DW_TAG_GNU_call_site) .long .LVL0 # DW_AT_low_pc # DW_AT_GNU_tail_call .long 0x25 # DW_AT_abstract_origin .byte 0 # end of children of DIE 0x41 .uleb128 0x6 # (DIE (0x64) DW_TAG_subprogram) .long .LASF0 # DW_AT_name: "foo_1" .byte 0x1 # DW_AT_decl_file (tailcall-only.c) .byte 0x21 # DW_AT_decl_line # DW_AT_prototyped .long 0x3a # DW_AT_type .long .LFB2 # DW_AT_low_pc .long .LFE2-.LFB2 # DW_AT_high_pc .uleb128 0x1 # DW_AT_frame_base .byte 0x9c # DW_OP_call_frame_cfa # DW_AT_GNU_all_call_sites .long 0x87 # DW_AT_sibling .uleb128 0x5 # (DIE (0x7d) DW_TAG_GNU_call_site) .long .LVL1 # DW_AT_low_pc # DW_AT_GNU_tail_call .long 0x41 # DW_AT_abstract_origin .byte 0 # end of children of DIE 0x64 .uleb128 0x4 # (DIE (0x87) DW_TAG_subprogram) .ascii "foo\0" # DW_AT_name .byte 0x1 # DW_AT_decl_file (tailcall-only.c) .byte 0x27 # DW_AT_decl_line # DW_AT_prototyped .long 0x3a # DW_AT_type .long .LFB3 # DW_AT_low_pc .long .LFE3-.LFB3 # DW_AT_high_pc .uleb128 0x1 # DW_AT_frame_base .byte 0x9c # DW_OP_call_frame_cfa # DW_AT_GNU_all_call_sites .long 0xaa # DW_AT_sibling .uleb128 0x5 # (DIE (0xa0) DW_TAG_GNU_call_site) .long .LVL2 # DW_AT_low_pc # DW_AT_GNU_tail_call .long 0x64 # DW_AT_abstract_origin .byte 0 # end of children of DIE 0x87 .uleb128 0x7 # (DIE (0xaa) DW_TAG_subprogram) # DW_AT_external .long .LASF5 # DW_AT_name: "main" .byte 0x1 # DW_AT_decl_file (tailcall-only.c) .byte 0x2d # DW_AT_decl_line # DW_AT_prototyped .long 0x3a # DW_AT_type .long .LFB4 # DW_AT_low_pc .long .LFE4-.LFB4 # DW_AT_high_pc .uleb128 0x1 # DW_AT_frame_base .byte 0x9c # DW_OP_call_frame_cfa # DW_AT_GNU_all_call_sites .uleb128 0x8 # (DIE (0xbf) DW_TAG_variable) .long .LASF6 # DW_AT_name: "answer" .byte 0x1 # DW_AT_decl_file (tailcall-only.c) .byte 0x2f # DW_AT_decl_line .long 0x3a # DW_AT_type .long .LLST0 # DW_AT_location .uleb128 0x9 # (DIE (0xce) DW_TAG_GNU_call_site) .long .LVL3 # DW_AT_low_pc .long 0x87 # DW_AT_abstract_origin .byte 0 # end of children of DIE 0xaa .byte 0 # end of children of DIE 0xb .section .debug_abbrev,"",@progbits .Ldebug_abbrev0: .uleb128 0x1 # (abbrev code) .uleb128 0x11 # (TAG: DW_TAG_compile_unit) .byte 0x1 # DW_children_yes .uleb128 0x25 # (DW_AT_producer) .uleb128 0xe # (DW_FORM_strp) .uleb128 0x13 # (DW_AT_language) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x3 # (DW_AT_name) .uleb128 0xe # (DW_FORM_strp) .uleb128 0x1b # (DW_AT_comp_dir) .uleb128 0xe # (DW_FORM_strp) .uleb128 0x55 # (DW_AT_ranges) .uleb128 0x17 # (DW_FORM_sec_offset) .uleb128 0x11 # (DW_AT_low_pc) .uleb128 0x1 # (DW_FORM_addr) .uleb128 0x10 # (DW_AT_stmt_list) .uleb128 0x17 # (DW_FORM_sec_offset) .byte 0 .byte 0 .uleb128 0x2 # (abbrev code) .uleb128 0x2e # (TAG: DW_TAG_subprogram) .byte 0 # DW_children_no .uleb128 0x3 # (DW_AT_name) .uleb128 0xe # (DW_FORM_strp) .uleb128 0x3a # (DW_AT_decl_file) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x3b # (DW_AT_decl_line) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x27 # (DW_AT_prototyped) .uleb128 0x19 # (DW_FORM_flag_present) .uleb128 0x49 # (DW_AT_type) .uleb128 0x13 # (DW_FORM_ref4) .uleb128 0x11 # (DW_AT_low_pc) .uleb128 0x1 # (DW_FORM_addr) .uleb128 0x12 # (DW_AT_high_pc) .uleb128 0x6 # (DW_FORM_data4) .uleb128 0x40 # (DW_AT_frame_base) .uleb128 0x18 # (DW_FORM_exprloc) .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) .uleb128 0x19 # (DW_FORM_flag_present) .byte 0 .byte 0 .uleb128 0x3 # (abbrev code) .uleb128 0x24 # (TAG: DW_TAG_base_type) .byte 0 # DW_children_no .uleb128 0xb # (DW_AT_byte_size) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x3e # (DW_AT_encoding) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x3 # (DW_AT_name) .uleb128 0x8 # (DW_FORM_string) .byte 0 .byte 0 .uleb128 0x4 # (abbrev code) .uleb128 0x2e # (TAG: DW_TAG_subprogram) .byte 0x1 # DW_children_yes .uleb128 0x3 # (DW_AT_name) .uleb128 0x8 # (DW_FORM_string) .uleb128 0x3a # (DW_AT_decl_file) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x3b # (DW_AT_decl_line) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x27 # (DW_AT_prototyped) .uleb128 0x19 # (DW_FORM_flag_present) .uleb128 0x49 # (DW_AT_type) .uleb128 0x13 # (DW_FORM_ref4) .uleb128 0x11 # (DW_AT_low_pc) .uleb128 0x1 # (DW_FORM_addr) .uleb128 0x12 # (DW_AT_high_pc) .uleb128 0x6 # (DW_FORM_data4) .uleb128 0x40 # (DW_AT_frame_base) .uleb128 0x18 # (DW_FORM_exprloc) .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) .uleb128 0x19 # (DW_FORM_flag_present) .uleb128 0x1 # (DW_AT_sibling) .uleb128 0x13 # (DW_FORM_ref4) .byte 0 .byte 0 .uleb128 0x5 # (abbrev code) .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) .byte 0 # DW_children_no .uleb128 0x11 # (DW_AT_low_pc) .uleb128 0x1 # (DW_FORM_addr) .uleb128 0x2115 # (DW_AT_GNU_tail_call) .uleb128 0x19 # (DW_FORM_flag_present) .uleb128 0x31 # (DW_AT_abstract_origin) .uleb128 0x13 # (DW_FORM_ref4) .byte 0 .byte 0 .uleb128 0x6 # (abbrev code) .uleb128 0x2e # (TAG: DW_TAG_subprogram) .byte 0x1 # DW_children_yes .uleb128 0x3 # (DW_AT_name) .uleb128 0xe # (DW_FORM_strp) .uleb128 0x3a # (DW_AT_decl_file) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x3b # (DW_AT_decl_line) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x27 # (DW_AT_prototyped) .uleb128 0x19 # (DW_FORM_flag_present) .uleb128 0x49 # (DW_AT_type) .uleb128 0x13 # (DW_FORM_ref4) .uleb128 0x11 # (DW_AT_low_pc) .uleb128 0x1 # (DW_FORM_addr) .uleb128 0x12 # (DW_AT_high_pc) .uleb128 0x6 # (DW_FORM_data4) .uleb128 0x40 # (DW_AT_frame_base) .uleb128 0x18 # (DW_FORM_exprloc) .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) .uleb128 0x19 # (DW_FORM_flag_present) .uleb128 0x1 # (DW_AT_sibling) .uleb128 0x13 # (DW_FORM_ref4) .byte 0 .byte 0 .uleb128 0x7 # (abbrev code) .uleb128 0x2e # (TAG: DW_TAG_subprogram) .byte 0x1 # DW_children_yes .uleb128 0x3f # (DW_AT_external) .uleb128 0x19 # (DW_FORM_flag_present) .uleb128 0x3 # (DW_AT_name) .uleb128 0xe # (DW_FORM_strp) .uleb128 0x3a # (DW_AT_decl_file) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x3b # (DW_AT_decl_line) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x27 # (DW_AT_prototyped) .uleb128 0x19 # (DW_FORM_flag_present) .uleb128 0x49 # (DW_AT_type) .uleb128 0x13 # (DW_FORM_ref4) .uleb128 0x11 # (DW_AT_low_pc) .uleb128 0x1 # (DW_FORM_addr) .uleb128 0x12 # (DW_AT_high_pc) .uleb128 0x6 # (DW_FORM_data4) .uleb128 0x40 # (DW_AT_frame_base) .uleb128 0x18 # (DW_FORM_exprloc) .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) .uleb128 0x19 # (DW_FORM_flag_present) .byte 0 .byte 0 .uleb128 0x8 # (abbrev code) .uleb128 0x34 # (TAG: DW_TAG_variable) .byte 0 # DW_children_no .uleb128 0x3 # (DW_AT_name) .uleb128 0xe # (DW_FORM_strp) .uleb128 0x3a # (DW_AT_decl_file) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x3b # (DW_AT_decl_line) .uleb128 0xb # (DW_FORM_data1) .uleb128 0x49 # (DW_AT_type) .uleb128 0x13 # (DW_FORM_ref4) .uleb128 0x2 # (DW_AT_location) .uleb128 0x17 # (DW_FORM_sec_offset) .byte 0 .byte 0 .uleb128 0x9 # (abbrev code) .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) .byte 0 # DW_children_no .uleb128 0x11 # (DW_AT_low_pc) .uleb128 0x1 # (DW_FORM_addr) .uleb128 0x31 # (DW_AT_abstract_origin) .uleb128 0x13 # (DW_FORM_ref4) .byte 0 .byte 0 .byte 0 .section .debug_loc,"",@progbits .Ldebug_loc0: .LLST0: .long .LVL3 # Location list begin address (*.LLST0) .long .LVL4 # Location list end address (*.LLST0) .value 0x3 # Location expression size .byte 0x70 # DW_OP_breg0 .sleb128 1 .byte 0x9f # DW_OP_stack_value .long .LVL4 # Location list begin address (*.LLST0) .long .LFE4 # Location list end address (*.LLST0) .value 0x1 # Location expression size .byte 0x50 # DW_OP_reg0 .long 0 # Location list terminator begin (*.LLST0) .long 0 # Location list terminator end (*.LLST0) .section .debug_aranges,"",@progbits .long 0x24 # Length of Address Ranges Info .value 0x2 # DWARF Version .long .Ldebug_info0 # Offset of Compilation Unit Info .byte 0x4 # Size of Address .byte 0 # Size of Segment Descriptor .value 0 # Pad to 8 byte boundary .value 0 .long .Ltext0 # Address .long .Letext0-.Ltext0 # Length .long .LFB4 # Address .long .LFE4-.LFB4 # Length .long 0 .long 0 .section .debug_ranges,"",@progbits .Ldebug_ranges0: .long .Ltext0 # Offset 0 .long .Letext0 .long .LFB4 # Offset 0x8 .long .LFE4 .long 0 .long 0 .section .debug_line,"",@progbits .Ldebug_line0: .section .debug_str,"MS",@progbits,1 .LASF4: .string "bar_1" .LASF2: .string "tailcall-only.c" .LASF1: .string "GNU C 4.8.3 20140911 (Red Hat 4.8.3-9) -m32 -march=i686 -g -O2" .LASF6: .string "answer" .LASF5: .string "main" .LASF3: .string "" .LASF0: .string "foo_1" .ident "GCC: (GNU) 4.8.3 20140911 (Red Hat 4.8.3-9)" .section .note.GNU-stack,"",@progbits