447 lines
12 KiB
ArmAsm
447 lines
12 KiB
ArmAsm
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/* This testcase is part of GDB, the GNU debugger.
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Copyright 2016 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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This file has been generated using:
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gcc -S -O2 -dA -g tailcall-only.c -o x86_64-tailcall-only.S */
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.file "tailcall-only.c"
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.text
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.Ltext0:
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.p2align 4,,15
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.type bar_1, @function
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bar_1:
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.LFB0:
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.file 1 "tailcall-only.c"
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# tailcall-only.c:22
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.loc 1 22 0
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.cfi_startproc
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# BLOCK 2 freq:10000 seq:0
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# PRED: ENTRY [100.0%] (FALLTHRU)
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# tailcall-only.c:24
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.loc 1 24 0
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movl $42, %eax
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# SUCC: EXIT [100.0%]
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ret
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.cfi_endproc
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.LFE0:
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.size bar_1, .-bar_1
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.p2align 4,,15
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.type bar, @function
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bar:
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.LFB1:
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# tailcall-only.c:28
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.loc 1 28 0
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.cfi_startproc
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# BLOCK 2 freq:10000 seq:0
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# PRED: ENTRY [100.0%] (FALLTHRU)
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# tailcall-only.c:29
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.loc 1 29 0
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jmp bar_1
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# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL)
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.LVL0:
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.cfi_endproc
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.LFE1:
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.size bar, .-bar
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.p2align 4,,15
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.type foo_1, @function
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foo_1:
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.LFB2:
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# tailcall-only.c:34
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.loc 1 34 0
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.cfi_startproc
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# BLOCK 2 freq:10000 seq:0
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# PRED: ENTRY [100.0%] (FALLTHRU)
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# tailcall-only.c:35
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.loc 1 35 0
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jmp bar
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# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL)
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.LVL1:
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.cfi_endproc
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.LFE2:
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.size foo_1, .-foo_1
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.p2align 4,,15
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.type foo, @function
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foo:
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.LFB3:
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# tailcall-only.c:40
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.loc 1 40 0
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.cfi_startproc
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# BLOCK 2 freq:10000 seq:0
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# PRED: ENTRY [100.0%] (FALLTHRU)
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# tailcall-only.c:41
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.loc 1 41 0
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jmp foo_1
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# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL)
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.LVL2:
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.cfi_endproc
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.LFE3:
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.size foo, .-foo
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.section .text.startup,"ax",@progbits
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.p2align 4,,15
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.globl main
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.type main, @function
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main:
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.LFB4:
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# tailcall-only.c:46
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.loc 1 46 0
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.cfi_startproc
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# BLOCK 2 freq:10000 seq:0
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# PRED: ENTRY [100.0%] (FALLTHRU)
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# tailcall-only.c:49
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.loc 1 49 0
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call foo
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.LVL3:
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# tailcall-only.c:50
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.loc 1 50 0
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addl $1, %eax
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.LVL4:
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# SUCC: EXIT [100.0%]
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# tailcall-only.c:53
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.loc 1 53 0
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ret
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.cfi_endproc
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.LFE4:
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.size main, .-main
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.text
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.Letext0:
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.section .debug_info,"",@progbits
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.Ldebug_info0:
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.long 0x111 # Length of Compilation Unit Info
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.value 0x4 # DWARF version number
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.long .Ldebug_abbrev0 # Offset Into Abbrev. Section
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.byte 0x8 # Pointer Size (in bytes)
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.uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit)
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.long .LASF1 # DW_AT_producer: "GNU C 4.8.3 20140911 (Red Hat 4.8.3-9) -mtune=generic -march=x86-64 -g -O2"
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.byte 0x1 # DW_AT_language
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.long .LASF2 # DW_AT_name: "tailcall-only.c"
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.long .LASF3 # DW_AT_comp_dir: ""
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.long .Ldebug_ranges0+0 # DW_AT_ranges
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.quad 0 # DW_AT_low_pc
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.long .Ldebug_line0 # DW_AT_stmt_list
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.uleb128 0x2 # (DIE (0x29) DW_TAG_subprogram)
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.long .LASF4 # DW_AT_name: "bar_1"
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.byte 0x1 # DW_AT_decl_file (tailcall-only.c)
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.byte 0x15 # DW_AT_decl_line
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# DW_AT_prototyped
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.long 0x46 # DW_AT_type
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.quad .LFB0 # DW_AT_low_pc
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.quad .LFE0-.LFB0 # DW_AT_high_pc
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.uleb128 0x1 # DW_AT_frame_base
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.byte 0x9c # DW_OP_call_frame_cfa
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# DW_AT_GNU_all_call_sites
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.uleb128 0x3 # (DIE (0x46) DW_TAG_base_type)
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.byte 0x4 # DW_AT_byte_size
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.byte 0x5 # DW_AT_encoding
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.ascii "int\0" # DW_AT_name
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.uleb128 0x4 # (DIE (0x4d) DW_TAG_subprogram)
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.ascii "bar\0" # DW_AT_name
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.byte 0x1 # DW_AT_decl_file (tailcall-only.c)
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.byte 0x1b # DW_AT_decl_line
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# DW_AT_prototyped
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.long 0x46 # DW_AT_type
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.quad .LFB1 # DW_AT_low_pc
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.quad .LFE1-.LFB1 # DW_AT_high_pc
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.uleb128 0x1 # DW_AT_frame_base
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.byte 0x9c # DW_OP_call_frame_cfa
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# DW_AT_GNU_all_call_sites
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.long 0x7c # DW_AT_sibling
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.uleb128 0x5 # (DIE (0x6e) DW_TAG_GNU_call_site)
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.quad .LVL0 # DW_AT_low_pc
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# DW_AT_GNU_tail_call
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.long 0x29 # DW_AT_abstract_origin
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.byte 0 # end of children of DIE 0x4d
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.uleb128 0x6 # (DIE (0x7c) DW_TAG_subprogram)
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.long .LASF0 # DW_AT_name: "foo_1"
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.byte 0x1 # DW_AT_decl_file (tailcall-only.c)
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.byte 0x21 # DW_AT_decl_line
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# DW_AT_prototyped
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.long 0x46 # DW_AT_type
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.quad .LFB2 # DW_AT_low_pc
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.quad .LFE2-.LFB2 # DW_AT_high_pc
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.uleb128 0x1 # DW_AT_frame_base
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.byte 0x9c # DW_OP_call_frame_cfa
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# DW_AT_GNU_all_call_sites
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.long 0xab # DW_AT_sibling
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.uleb128 0x5 # (DIE (0x9d) DW_TAG_GNU_call_site)
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.quad .LVL1 # DW_AT_low_pc
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# DW_AT_GNU_tail_call
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.long 0x4d # DW_AT_abstract_origin
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.byte 0 # end of children of DIE 0x7c
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.uleb128 0x4 # (DIE (0xab) DW_TAG_subprogram)
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.ascii "foo\0" # DW_AT_name
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.byte 0x1 # DW_AT_decl_file (tailcall-only.c)
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.byte 0x27 # DW_AT_decl_line
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# DW_AT_prototyped
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.long 0x46 # DW_AT_type
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.quad .LFB3 # DW_AT_low_pc
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.quad .LFE3-.LFB3 # DW_AT_high_pc
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.uleb128 0x1 # DW_AT_frame_base
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.byte 0x9c # DW_OP_call_frame_cfa
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# DW_AT_GNU_all_call_sites
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.long 0xda # DW_AT_sibling
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.uleb128 0x5 # (DIE (0xcc) DW_TAG_GNU_call_site)
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.quad .LVL2 # DW_AT_low_pc
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# DW_AT_GNU_tail_call
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.long 0x7c # DW_AT_abstract_origin
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.byte 0 # end of children of DIE 0xab
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.uleb128 0x7 # (DIE (0xda) DW_TAG_subprogram)
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# DW_AT_external
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.long .LASF5 # DW_AT_name: "main"
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.byte 0x1 # DW_AT_decl_file (tailcall-only.c)
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.byte 0x2d # DW_AT_decl_line
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# DW_AT_prototyped
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.long 0x46 # DW_AT_type
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.quad .LFB4 # DW_AT_low_pc
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.quad .LFE4-.LFB4 # DW_AT_high_pc
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.uleb128 0x1 # DW_AT_frame_base
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.byte 0x9c # DW_OP_call_frame_cfa
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# DW_AT_GNU_all_call_sites
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.uleb128 0x8 # (DIE (0xf7) DW_TAG_variable)
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.long .LASF6 # DW_AT_name: "answer"
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.byte 0x1 # DW_AT_decl_file (tailcall-only.c)
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.byte 0x2f # DW_AT_decl_line
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.long 0x46 # DW_AT_type
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.long .LLST0 # DW_AT_location
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.uleb128 0x9 # (DIE (0x106) DW_TAG_GNU_call_site)
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.quad .LVL3 # DW_AT_low_pc
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.long 0xab # DW_AT_abstract_origin
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.byte 0 # end of children of DIE 0xda
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.byte 0 # end of children of DIE 0xb
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.section .debug_abbrev,"",@progbits
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.Ldebug_abbrev0:
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.uleb128 0x1 # (abbrev code)
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.uleb128 0x11 # (TAG: DW_TAG_compile_unit)
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.byte 0x1 # DW_children_yes
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.uleb128 0x25 # (DW_AT_producer)
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.uleb128 0xe # (DW_FORM_strp)
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.uleb128 0x13 # (DW_AT_language)
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.uleb128 0xb # (DW_FORM_data1)
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.uleb128 0x3 # (DW_AT_name)
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.uleb128 0xe # (DW_FORM_strp)
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.uleb128 0x1b # (DW_AT_comp_dir)
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.uleb128 0xe # (DW_FORM_strp)
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.uleb128 0x55 # (DW_AT_ranges)
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.uleb128 0x17 # (DW_FORM_sec_offset)
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.uleb128 0x11 # (DW_AT_low_pc)
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.uleb128 0x1 # (DW_FORM_addr)
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.uleb128 0x10 # (DW_AT_stmt_list)
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.uleb128 0x17 # (DW_FORM_sec_offset)
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.byte 0
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.byte 0
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.uleb128 0x2 # (abbrev code)
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.uleb128 0x2e # (TAG: DW_TAG_subprogram)
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.byte 0 # DW_children_no
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.uleb128 0x3 # (DW_AT_name)
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.uleb128 0xe # (DW_FORM_strp)
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.uleb128 0x3a # (DW_AT_decl_file)
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.uleb128 0xb # (DW_FORM_data1)
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.uleb128 0x3b # (DW_AT_decl_line)
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.uleb128 0xb # (DW_FORM_data1)
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.uleb128 0x27 # (DW_AT_prototyped)
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.uleb128 0x19 # (DW_FORM_flag_present)
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.uleb128 0x49 # (DW_AT_type)
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.uleb128 0x13 # (DW_FORM_ref4)
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.uleb128 0x11 # (DW_AT_low_pc)
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.uleb128 0x1 # (DW_FORM_addr)
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.uleb128 0x12 # (DW_AT_high_pc)
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.uleb128 0x7 # (DW_FORM_data8)
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.uleb128 0x40 # (DW_AT_frame_base)
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.uleb128 0x18 # (DW_FORM_exprloc)
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.uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
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.uleb128 0x19 # (DW_FORM_flag_present)
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.byte 0
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.byte 0
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.uleb128 0x3 # (abbrev code)
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.uleb128 0x24 # (TAG: DW_TAG_base_type)
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.byte 0 # DW_children_no
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.uleb128 0xb # (DW_AT_byte_size)
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.uleb128 0xb # (DW_FORM_data1)
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.uleb128 0x3e # (DW_AT_encoding)
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.uleb128 0xb # (DW_FORM_data1)
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.uleb128 0x3 # (DW_AT_name)
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.uleb128 0x8 # (DW_FORM_string)
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.byte 0
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.byte 0
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.uleb128 0x4 # (abbrev code)
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.uleb128 0x2e # (TAG: DW_TAG_subprogram)
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.byte 0x1 # DW_children_yes
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.uleb128 0x3 # (DW_AT_name)
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.uleb128 0x8 # (DW_FORM_string)
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.uleb128 0x3a # (DW_AT_decl_file)
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.uleb128 0xb # (DW_FORM_data1)
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.uleb128 0x3b # (DW_AT_decl_line)
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.uleb128 0xb # (DW_FORM_data1)
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.uleb128 0x27 # (DW_AT_prototyped)
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.uleb128 0x19 # (DW_FORM_flag_present)
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.uleb128 0x49 # (DW_AT_type)
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.uleb128 0x13 # (DW_FORM_ref4)
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.uleb128 0x11 # (DW_AT_low_pc)
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.uleb128 0x1 # (DW_FORM_addr)
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.uleb128 0x12 # (DW_AT_high_pc)
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.uleb128 0x7 # (DW_FORM_data8)
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.uleb128 0x40 # (DW_AT_frame_base)
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.uleb128 0x18 # (DW_FORM_exprloc)
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.uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
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.uleb128 0x19 # (DW_FORM_flag_present)
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.uleb128 0x1 # (DW_AT_sibling)
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.uleb128 0x13 # (DW_FORM_ref4)
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.byte 0
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.byte 0
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.uleb128 0x5 # (abbrev code)
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.uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
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.byte 0 # DW_children_no
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.uleb128 0x11 # (DW_AT_low_pc)
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.uleb128 0x1 # (DW_FORM_addr)
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.uleb128 0x2115 # (DW_AT_GNU_tail_call)
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.uleb128 0x19 # (DW_FORM_flag_present)
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.uleb128 0x31 # (DW_AT_abstract_origin)
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|
|
.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 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 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 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 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:
|
||
|
|
.quad .LVL3 # Location list begin address (*.LLST0)
|
||
|
|
.quad .LVL4 # Location list end address (*.LLST0)
|
||
|
|
.value 0x3 # Location expression size
|
||
|
|
.byte 0x70 # DW_OP_breg0
|
||
|
|
.sleb128 1
|
||
|
|
.byte 0x9f # DW_OP_stack_value
|
||
|
|
.quad .LVL4 # Location list begin address (*.LLST0)
|
||
|
|
.quad .LFE4 # 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 .LFB4 # Address
|
||
|
|
.quad .LFE4-.LFB4 # Length
|
||
|
|
.quad 0
|
||
|
|
.quad 0
|
||
|
|
.section .debug_ranges,"",@progbits
|
||
|
|
.Ldebug_ranges0:
|
||
|
|
.quad .Ltext0 # Offset 0
|
||
|
|
.quad .Letext0
|
||
|
|
.quad .LFB4 # Offset 0x10
|
||
|
|
.quad .LFE4
|
||
|
|
.quad 0
|
||
|
|
.quad 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) -mtune=generic -march=x86-64 -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
|