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https://sourceware.org/git/binutils-gdb.git
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9112db0926
Fix entry-values in C++ across CUs. * dwarf2loc.c (call_site_to_target_addr) <FIELD_LOC_KIND_PHYSNAME>: Use lookup_minimal_symbol. Add a comment. * dwarf2read.c (read_call_site_scope) <is_ref_attr> <die_is_declaration>: Prefer DW_AT_linkage_name. gdb/testsuite/ Fix entry-values in C++ across CUs. * gdb.arch/amd64-tailcall-cxx.exp: New file. * gdb.arch/amd64-tailcall-cxx1.S: New file. * gdb.arch/amd64-tailcall-cxx1.cc: New file. * gdb.arch/amd64-tailcall-cxx2.S: New file. * gdb.arch/amd64-tailcall-cxx2.cc: New file.
368 lines
11 KiB
ArmAsm
368 lines
11 KiB
ArmAsm
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2012-2013 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 source file was generated by:
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g++ -o gdb.arch/amd64-tailcall-cxx1.S gdb.arch/amd64-tailcall-cxx1.cc -Wall -S -dA -O2 -g
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Fedora GCC was used here to also test the case of missing DW_AT_linkage_name.
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*/
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.file "amd64-tailcall-cxx1.cc"
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.text
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.Ltext0:
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.p2align 4,,15
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.globl _Z1gi
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.type _Z1gi, @function
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_Z1gi:
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.LFB0:
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.file 1 "gdb.arch/amd64-tailcall-cxx1.cc"
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# gdb.arch/amd64-tailcall-cxx1.cc:22
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.loc 1 22 0
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.cfi_startproc
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.LVL0:
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# BLOCK 2 freq:10000 seq:0
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# PRED: ENTRY [100.0%] (FALLTHRU)
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# gdb.arch/amd64-tailcall-cxx1.cc:23
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.loc 1 23 0
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movl %edi, v(%rip)
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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 _Z1gi, .-_Z1gi
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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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.LFB1:
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# gdb.arch/amd64-tailcall-cxx1.cc:30
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.loc 1 30 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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subq $8, %rsp
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.cfi_def_cfa_offset 16
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# gdb.arch/amd64-tailcall-cxx1.cc:31
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.loc 1 31 0
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movl $1, %edi
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call _Z1fi
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.LVL1:
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# gdb.arch/amd64-tailcall-cxx1.cc:32
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.loc 1 32 0
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xorl %eax, %eax
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addq $8, %rsp
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.cfi_def_cfa_offset 8
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# SUCC: EXIT [100.0%]
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ret
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.cfi_endproc
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.LFE1:
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.size main, .-main
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.globl v
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.bss
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.align 4
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.type v, @object
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.size v, 4
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v:
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.zero 4
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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 0xb4 # 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++ 4.8.0 20130220 (Red Hat 4.8.0-0.14) -mtune=generic -march=x86-64 -g -O2"
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.byte 0x4 # DW_AT_language
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.long .LASF2 # DW_AT_name: "gdb.arch/amd64-tailcall-cxx1.cc"
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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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# DW_AT_external
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.ascii "g\0" # DW_AT_name
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.byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx1.cc)
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.byte 0x15 # DW_AT_decl_line
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.long .LASF4 # DW_AT_linkage_name: "_Z1gi"
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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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.long 0x54 # DW_AT_sibling
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.uleb128 0x3 # (DIE (0x48) DW_TAG_formal_parameter)
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.ascii "x\0" # DW_AT_name
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.byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx1.cc)
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.byte 0x15 # DW_AT_decl_line
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.long 0x54 # DW_AT_type
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.uleb128 0x1 # DW_AT_location
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.byte 0x55 # DW_OP_reg5
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.byte 0 # end of children of DIE 0x29
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.uleb128 0x4 # (DIE (0x54) 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 0x5 # (DIE (0x5b) DW_TAG_subprogram)
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# DW_AT_external
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.long .LASF0 # DW_AT_name: "main"
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.byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx1.cc)
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.byte 0x1d # DW_AT_decl_line
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.long 0x54 # 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 0x90 # DW_AT_sibling
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.uleb128 0x6 # (DIE (0x7c) DW_TAG_GNU_call_site)
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.quad .LVL1 # DW_AT_low_pc
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.long 0xa8 # DW_AT_abstract_origin
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.uleb128 0x7 # (DIE (0x89) DW_TAG_GNU_call_site_parameter)
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.uleb128 0x1 # DW_AT_location
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.byte 0x55 # DW_OP_reg5
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.uleb128 0x1 # DW_AT_GNU_call_site_value
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.byte 0x31 # DW_OP_lit1
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.byte 0 # end of children of DIE 0x7c
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.byte 0 # end of children of DIE 0x5b
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.uleb128 0x8 # (DIE (0x90) DW_TAG_variable)
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.ascii "v\0" # DW_AT_name
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.byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx1.cc)
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.byte 0x12 # DW_AT_decl_line
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.long 0xa3 # DW_AT_type
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# DW_AT_external
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.uleb128 0x9 # DW_AT_location
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.byte 0x3 # DW_OP_addr
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.quad v
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.uleb128 0x9 # (DIE (0xa3) DW_TAG_volatile_type)
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.long 0x54 # DW_AT_type
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.uleb128 0xa # (DIE (0xa8) DW_TAG_subprogram)
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# DW_AT_external
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.ascii "f\0" # DW_AT_name
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.byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx1.cc)
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.byte 0x1a # DW_AT_decl_line
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.long .LASF5 # DW_AT_linkage_name: "_Z1fi"
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# DW_AT_declaration
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.uleb128 0xb # (DIE (0xb1) DW_TAG_formal_parameter)
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.long 0x54 # DW_AT_type
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.byte 0 # end of children of DIE 0xa8
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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 0x1 # DW_children_yes
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.uleb128 0x3f # (DW_AT_external)
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.uleb128 0x19 # (DW_FORM_flag_present)
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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 0x6e # (DW_AT_linkage_name)
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.uleb128 0xe # (DW_FORM_strp)
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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 0x3 # (abbrev code)
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.uleb128 0x5 # (TAG: DW_TAG_formal_parameter)
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.byte 0 # DW_children_no
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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 0x49 # (DW_AT_type)
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.uleb128 0x13 # (DW_FORM_ref4)
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.uleb128 0x2 # (DW_AT_location)
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.uleb128 0x18 # (DW_FORM_exprloc)
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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 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 0x5 # (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 0x3f # (DW_AT_external)
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.uleb128 0x19 # (DW_FORM_flag_present)
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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 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 0x6 # (abbrev code)
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.uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
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.byte 0x1 # DW_children_yes
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.uleb128 0x11 # (DW_AT_low_pc)
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.uleb128 0x1 # (DW_FORM_addr)
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.uleb128 0x31 # (DW_AT_abstract_origin)
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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 0x7 # (abbrev code)
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.uleb128 0x410a # (TAG: DW_TAG_GNU_call_site_parameter)
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.byte 0 # DW_children_no
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.uleb128 0x2 # (DW_AT_location)
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.uleb128 0x18 # (DW_FORM_exprloc)
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.uleb128 0x2111 # (DW_AT_GNU_call_site_value)
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.uleb128 0x18 # (DW_FORM_exprloc)
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.byte 0
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.byte 0
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.uleb128 0x8 # (abbrev code)
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.uleb128 0x34 # (TAG: DW_TAG_variable)
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.byte 0 # DW_children_no
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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 0x49 # (DW_AT_type)
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.uleb128 0x13 # (DW_FORM_ref4)
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.uleb128 0x3f # (DW_AT_external)
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.uleb128 0x19 # (DW_FORM_flag_present)
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.uleb128 0x2 # (DW_AT_location)
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.uleb128 0x18 # (DW_FORM_exprloc)
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.byte 0
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.byte 0
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.uleb128 0x9 # (abbrev code)
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.uleb128 0x35 # (TAG: DW_TAG_volatile_type)
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.byte 0 # DW_children_no
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.uleb128 0x49 # (DW_AT_type)
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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 0xa # (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 0x3f # (DW_AT_external)
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.uleb128 0x19 # (DW_FORM_flag_present)
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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 0x6e # (DW_AT_linkage_name)
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.uleb128 0xe # (DW_FORM_strp)
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.uleb128 0x3c # (DW_AT_declaration)
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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 0xb # (abbrev code)
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.uleb128 0x5 # (TAG: DW_TAG_formal_parameter)
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.byte 0 # DW_children_no
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.uleb128 0x49 # (DW_AT_type)
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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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.byte 0
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.section .debug_aranges,"",@progbits
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.long 0x3c # Length of Address Ranges Info
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.value 0x2 # DWARF Version
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.long .Ldebug_info0 # Offset of Compilation Unit Info
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.byte 0x8 # Size of Address
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.byte 0 # Size of Segment Descriptor
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.value 0 # Pad to 16 byte boundary
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.value 0
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.quad .Ltext0 # Address
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.quad .Letext0-.Ltext0 # Length
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.quad .LFB1 # Address
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.quad .LFE1-.LFB1 # Length
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.quad 0
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.quad 0
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.section .debug_ranges,"",@progbits
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.Ldebug_ranges0:
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.quad .Ltext0 # Offset 0
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.quad .Letext0
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.quad .LFB1 # Offset 0x10
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.quad .LFE1
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.quad 0
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.quad 0
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.section .debug_line,"",@progbits
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.Ldebug_line0:
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.section .debug_str,"MS",@progbits,1
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.LASF4:
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.string "_Z1gi"
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.LASF3:
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.string ""
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.LASF2:
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.string "gdb.arch/amd64-tailcall-cxx1.cc"
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.LASF1:
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.string "GNU C++ 4.8.0 20130220 (Red Hat 4.8.0-0.14) -mtune=generic -march=x86-64 -g -O2"
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.LASF0:
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.string "main"
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.LASF5:
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.string "_Z1fi"
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.ident "GCC: (GNU) 4.8.0 20130220 (Red Hat 4.8.0-0.14)"
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.section .note.GNU-stack,"",@progbits
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