/* This testcase is part of GDB, the GNU debugger.
Copyright 2013-2020 Free Software Foundation, Inc.
Contributed by Intel Corp. <markus.t.metzger@intel.com>
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 -S -O2 -dA -g tailcall.c -o x86_64-tailcall.S */
.file "tailcall.c"
.text
.Ltext0:
.p2align 4,,15
.type bar, @function
bar:
.LFB0:
.file 1 "tailcall.c"
# tailcall.c:22
.loc 1 22 0
.cfi_startproc
# BLOCK 2 freq:10000 seq:0
# PRED: ENTRY [100.0%] (FALLTHRU)
# tailcall.c:24
.loc 1 24 0
movl $42, %eax
# SUCC: EXIT [100.0%]
ret
.cfi_endproc
.LFE0:
.size bar, .-bar
.p2align 4,,15
.type foo, @function
foo:
.LFB1:
# tailcall.c:28
.loc 1 28 0
.cfi_startproc
# BLOCK 2 freq:10000 seq:0
# PRED: ENTRY [100.0%] (FALLTHRU)
# tailcall.c:29
.loc 1 29 0
jmp bar
# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL)
.LVL0:
.cfi_endproc
.LFE1:
.size foo, .-foo
.section .text.startup,"ax",@progbits
.p2align 4,,15
.globl main
.type main, @function
main:
.LFB2:
# tailcall.c:34
.loc 1 34 0
.cfi_startproc
# BLOCK 2 freq:10000 seq:0
# PRED: ENTRY [100.0%] (FALLTHRU)
# tailcall.c:37
.loc 1 37 0
call foo
.LVL1:
# tailcall.c:38
.loc 1 38 0
addl $1, %eax
.LVL2:
# SUCC: EXIT [100.0%]
# tailcall.c:41
.loc 1 41 0
ret
.cfi_endproc
.LFE2:
.size main, .-main
.text
.Letext0:
.section .debug_info,"",@progbits
.Ldebug_info0:
.long 0xb3 # Length of Compilation Unit Info
.value 0x4 # DWARF version number
.long .Ldebug_abbrev0 # Offset Into Abbrev. Section
.byte 0x8 # Pointer Size (in bytes)
.uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit)
.long .LASF0 # DW_AT_producer: "GNU C 4.8.3 20140911 (Red Hat 4.8.3-7) -mtune=generic -march=x86-64 -g -O2"
.byte 0x1 # DW_AT_language
.long .LASF1 # DW_AT_name: "tailcall.c"
.long .LASF2 # DW_AT_comp_dir: ""
.long .Ldebug_ranges0+0 # DW_AT_ranges
.quad 0 # DW_AT_low_pc
.long .Ldebug_line0 # DW_AT_stmt_list
.uleb128 0x2 # (DIE (0x29) DW_TAG_subprogram)
.ascii "bar\0" # DW_AT_name
.byte 0x1 # DW_AT_decl_file (tailcall.c)
.byte 0x15 # DW_AT_decl_line
# DW_AT_prototyped
.long 0x46 # DW_AT_type
.quad .LFB0 # DW_AT_low_pc
.quad .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 (0x46) DW_TAG_base_type)
.byte 0x4 # DW_AT_byte_size
.byte 0x5 # DW_AT_encoding
.ascii "int\0" # DW_AT_name
.uleb128 0x4 # (DIE (0x4d) DW_TAG_subprogram)
.ascii "foo\0" # DW_AT_name
.byte 0x1 # DW_AT_decl_file (tailcall.c)
.byte 0x1b # DW_AT_decl_line
# DW_AT_prototyped
.long 0x46 # DW_AT_type
.quad .LFB1 # DW_AT_low_pc
.quad .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 0x7c # DW_AT_sibling
.uleb128 0x5 # (DIE (0x6e) DW_TAG_GNU_call_site)
.quad .LVL0 # DW_AT_low_pc
# DW_AT_GNU_tail_call
.long 0x29 # DW_AT_abstract_origin
.byte 0 # end of children of DIE 0x4d
.uleb128 0x6 # (DIE (0x7c) DW_TAG_subprogram)
# DW_AT_external
.long .LASF3 # DW_AT_name: "main"
.byte 0x1 # DW_AT_decl_file (tailcall.c)
.byte 0x21 # DW_AT_decl_line
# DW_AT_prototyped
.long 0x46 # DW_AT_type
.quad .LFB2 # DW_AT_low_pc
.quad .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
.uleb128 0x7 # (DIE (0x99) DW_TAG_variable)
.long .LASF4 # DW_AT_name: "answer"
.byte 0x1 # DW_AT_decl_file (tailcall.c)
.byte 0x23 # DW_AT_decl_line
.long 0x46 # DW_AT_type
.long .LLST0 # DW_AT_location
.uleb128 0x8 # (DIE (0xa8) DW_TAG_GNU_call_site)
.quad .LVL1 # DW_AT_low_pc
.long 0x4d # DW_AT_abstract_origin
.byte 0 # end of children of DIE 0x7c
.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 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 0x7 # (DW_FORM_data8)
.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 0x7 # (DW_FORM_data8)
.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 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 0x7 # (DW_FORM_data8)
.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 0x7 # (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 0x8 # (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:
.quad .LVL1 # Location list begin address (*.LLST0)
.quad .LVL2 # Location list end address (*.LLST0)
.value 0x3 # Location expression size
.byte 0x70 # DW_OP_breg0
.sleb128 1
.byte 0x9f # DW_OP_stack_value
.quad .LVL2 # Location list begin address (*.LLST0)
.quad .LFE2 # Location list end address (*.LLST0)
.value 0x1 # Location expression size
.byte 0x50 # DW_OP_reg0
.quad 0 # Location list terminator begin (*.LLST0)
.quad 0 # Location list terminator end (*.LLST0)
.section .debug_aranges,"",@progbits
.long 0x3c # Length of Address Ranges Info
.value 0x2 # DWARF Version
.long .Ldebug_info0 # Offset of Compilation Unit Info
.byte 0x8 # Size of Address
.byte 0 # Size of Segment Descriptor
.value 0 # Pad to 16 byte boundary
.value 0
.quad .Ltext0 # Address
.quad .Letext0-.Ltext0 # Length
.quad .LFB2 # Address
.quad .LFE2-.LFB2 # Length
.quad 0
.quad 0
.section .debug_ranges,"",@progbits
.Ldebug_ranges0:
.quad .Ltext0 # Offset 0
.quad .Letext0
.quad .LFB2 # Offset 0x10
.quad .LFE2
.quad 0
.quad 0
.section .debug_line,"",@progbits
.Ldebug_line0:
.section .debug_str,"MS",@progbits,1
.LASF3:
.string "main"
.LASF1:
.string "tailcall.c"
.LASF0:
.string "GNU C 4.8.3 20140911 (Red Hat 4.8.3-7) -mtune=generic -march=x86-64 -g -O2"
.LASF4:
.string "answer"
.LASF2:
.string ""
.ident "GCC: (GNU) 4.8.3 20140911 (Red Hat 4.8.3-7)"
.section .note.GNU-stack,"",@progbits