gdb/
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.
This commit is contained in:
Jan Kratochvil
parent
55e9373143
commit
9112db0926
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@ -1,3 +1,12 @@
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2013-03-10 Jan Kratochvil <jan.kratochvil@redhat.com>
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Fix entry-values in C++ across CUs.
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* dwarf2loc.c (call_site_to_target_addr) <FIELD_LOC_KIND_PHYSNAME>: Use
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lookup_minimal_symbol. Add a comment.
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* dwarf2read.c
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(read_call_site_scope) <is_ref_attr> <die_is_declaration>: Prefer
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DW_AT_linkage_name.
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2013-03-08 Yao Qi <yao@codesourcery.com>
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* tracepoint.c (_initialize_tracepoint): Indent the code.
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@ -542,7 +542,9 @@ call_site_to_target_addr (struct gdbarch *call_site_gdbarch,
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struct minimal_symbol *msym;
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physname = FIELD_STATIC_PHYSNAME (call_site->target);
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msym = lookup_minimal_symbol_text (physname, NULL);
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/* Handle both the mangled and demangled PHYSNAME. */
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msym = lookup_minimal_symbol (physname, NULL, NULL);
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if (msym == NULL)
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{
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msym = lookup_minimal_symbol_by_pc (call_site->pc - 1);
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@ -9812,9 +9812,18 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
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gdb_assert (target_cu->objfile == objfile);
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if (die_is_declaration (target_die, target_cu))
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{
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const char *target_physname;
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const char *target_physname = NULL;
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struct attribute *target_attr;
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target_physname = dwarf2_physname (NULL, target_die, target_cu);
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/* Prefer the mangled name; otherwise compute the demangled one. */
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target_attr = dwarf2_attr (target_die, DW_AT_linkage_name, target_cu);
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if (target_attr == NULL)
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target_attr = dwarf2_attr (target_die, DW_AT_MIPS_linkage_name,
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target_cu);
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if (target_attr != NULL && DW_STRING (target_attr) != NULL)
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target_physname = DW_STRING (target_attr);
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else
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target_physname = dwarf2_physname (NULL, target_die, target_cu);
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if (target_physname == NULL)
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complaint (&symfile_complaints,
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_("DW_AT_GNU_call_site_target target DIE has invalid "
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@ -1,3 +1,12 @@
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2013-03-10 Jan Kratochvil <jan.kratochvil@redhat.com>
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Fix entry-values in C++ across CUs.
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* gdb.arch/amd64-tailcall-cxx.exp: New file.
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* gdb.arch/amd64-tailcall-cxx1.S: New file.
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* gdb.arch/amd64-tailcall-cxx1.cc: New file.
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* gdb.arch/amd64-tailcall-cxx2.S: New file.
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* gdb.arch/amd64-tailcall-cxx2.cc: New file.
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2013-03-08 Stan Shebs <stan@codesourcery.com>
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Hafiz Abid Qadeer <abidh@codesourcery.com>
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@ -0,0 +1,36 @@
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# Copyright (C) 2012-2013 Free Software Foundation, Inc.
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#
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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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#
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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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#
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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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set opts {}
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standard_testfile amd64-tailcall-cxx1.S amd64-tailcall-cxx2.S
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if [info exists COMPILE] {
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# make check RUNTESTFLAGS="gdb.arch/amd64-tailcall-cxx.exp COMPILE=1"
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standard_testfile amd64-tailcall-cxx1.cc amd64-tailcall-cxx2.cc
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lappend opts debug optimize=-O2
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} elseif { ![istarget x86_64-*-* ] || ![is_lp64_target] } {
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verbose "Skipping ${testfile}."
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return
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}
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if { [prepare_for_testing ${testfile}.exp ${testfile} "${srcfile} ${srcfile2}" $opts] } {
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return -1
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}
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if ![runto g] {
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return -1
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}
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gdb_test "bt" "\r\n#0 +g \\(x=x@entry=2\\) at \[^\r\n\]*\r\n#1 +0x\[0-9a-f\]+ in f \\(x=x@entry=1\\) at \[^\r\n\]*\r\n#2 +0x\[0-9a-f\]+ in main .*"
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@ -0,0 +1,367 @@
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/* 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)
|
||||
.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 0x3 # (abbrev code)
|
||||
.uleb128 0x5 # (TAG: DW_TAG_formal_parameter)
|
||||
.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 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.uleb128 0x2 # (DW_AT_location)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x4 # (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 0x5 # (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 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 0x6 # (abbrev code)
|
||||
.uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
|
||||
.byte 0x1 # DW_children_yes
|
||||
.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
|
||||
.uleb128 0x7 # (abbrev code)
|
||||
.uleb128 0x410a # (TAG: DW_TAG_GNU_call_site_parameter)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x2 # (DW_AT_location)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.uleb128 0x2111 # (DW_AT_GNU_call_site_value)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.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 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 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.uleb128 0x3f # (DW_AT_external)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x2 # (DW_AT_location)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x9 # (abbrev code)
|
||||
.uleb128 0x35 # (TAG: DW_TAG_volatile_type)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0xa # (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 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 0x6e # (DW_AT_linkage_name)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x3c # (DW_AT_declaration)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0xb # (abbrev code)
|
||||
.uleb128 0x5 # (TAG: DW_TAG_formal_parameter)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.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 .LFB1 # Address
|
||||
.quad .LFE1-.LFB1 # Length
|
||||
.quad 0
|
||||
.quad 0
|
||||
.section .debug_ranges,"",@progbits
|
||||
.Ldebug_ranges0:
|
||||
.quad .Ltext0 # Offset 0
|
||||
.quad .Letext0
|
||||
.quad .LFB1 # Offset 0x10
|
||||
.quad .LFE1
|
||||
.quad 0
|
||||
.quad 0
|
||||
.section .debug_line,"",@progbits
|
||||
.Ldebug_line0:
|
||||
.section .debug_str,"MS",@progbits,1
|
||||
.LASF4:
|
||||
.string "_Z1gi"
|
||||
.LASF3:
|
||||
.string ""
|
||||
.LASF2:
|
||||
.string "gdb.arch/amd64-tailcall-cxx1.cc"
|
||||
.LASF1:
|
||||
.string "GNU C++ 4.8.0 20130220 (Red Hat 4.8.0-0.14) -mtune=generic -march=x86-64 -g -O2"
|
||||
.LASF0:
|
||||
.string "main"
|
||||
.LASF5:
|
||||
.string "_Z1fi"
|
||||
.ident "GCC: (GNU) 4.8.0 20130220 (Red Hat 4.8.0-0.14)"
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
/* This testcase is part of GDB, the GNU debugger.
|
||||
|
||||
Copyright 2013 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/>. */
|
||||
|
||||
volatile int v;
|
||||
|
||||
__attribute__ ((noinline, noclone)) void
|
||||
g (int x)
|
||||
{
|
||||
v = x;
|
||||
}
|
||||
|
||||
extern void f (int x);
|
||||
|
||||
int
|
||||
main ()
|
||||
{
|
||||
f (1);
|
||||
}
|
||||
|
|
@ -0,0 +1,276 @@
|
|||
/* This testcase is part of GDB, the GNU debugger.
|
||||
|
||||
Copyright 2012-2013 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 source file was generated by:
|
||||
g++ -o gdb.arch/amd64-tailcall-cxx2.S gdb.arch/amd64-tailcall-cxx2.cc -Wall -S -dA -O2 -g
|
||||
Fedora GCC was used here to also test the case of missing DW_AT_linkage_name.
|
||||
*/
|
||||
|
||||
.file "amd64-tailcall-cxx2.cc"
|
||||
.text
|
||||
.Ltext0:
|
||||
.p2align 4,,15
|
||||
.globl _Z1fi
|
||||
.type _Z1fi, @function
|
||||
_Z1fi:
|
||||
.LFB0:
|
||||
.file 1 "gdb.arch/amd64-tailcall-cxx2.cc"
|
||||
# gdb.arch/amd64-tailcall-cxx2.cc:22
|
||||
.loc 1 22 0
|
||||
.cfi_startproc
|
||||
.LVL0:
|
||||
# BLOCK 2 freq:10000 seq:0
|
||||
# PRED: ENTRY [100.0%] (FALLTHRU)
|
||||
# gdb.arch/amd64-tailcall-cxx2.cc:23
|
||||
.loc 1 23 0
|
||||
addl $1, %edi
|
||||
.LVL1:
|
||||
jmp _Z1gi
|
||||
.LVL2:
|
||||
# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL)
|
||||
.cfi_endproc
|
||||
.LFE0:
|
||||
.size _Z1fi, .-_Z1fi
|
||||
.Letext0:
|
||||
.section .debug_info,"",@progbits
|
||||
.Ldebug_info0:
|
||||
.long 0x84 # 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++ 4.8.0 20130220 (Red Hat 4.8.0-0.14) -mtune=generic -march=x86-64 -g -O2"
|
||||
.byte 0x4 # DW_AT_language
|
||||
.long .LASF1 # DW_AT_name: "gdb.arch/amd64-tailcall-cxx2.cc"
|
||||
.long .LASF2 # DW_AT_comp_dir: ""
|
||||
.quad .Ltext0 # DW_AT_low_pc
|
||||
.quad .Letext0-.Ltext0 # DW_AT_high_pc
|
||||
.long .Ldebug_line0 # DW_AT_stmt_list
|
||||
.uleb128 0x2 # (DIE (0x2d) DW_TAG_subprogram)
|
||||
# DW_AT_external
|
||||
.ascii "f\0" # DW_AT_name
|
||||
.byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx2.cc)
|
||||
.byte 0x15 # DW_AT_decl_line
|
||||
.long .LASF3 # DW_AT_linkage_name: "_Z1fi"
|
||||
.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
|
||||
.long 0x71 # DW_AT_sibling
|
||||
.uleb128 0x3 # (DIE (0x4c) DW_TAG_formal_parameter)
|
||||
.ascii "x\0" # DW_AT_name
|
||||
.byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx2.cc)
|
||||
.byte 0x15 # DW_AT_decl_line
|
||||
.long 0x71 # DW_AT_type
|
||||
.long .LLST0 # DW_AT_location
|
||||
.uleb128 0x4 # (DIE (0x59) DW_TAG_GNU_call_site)
|
||||
.quad .LVL2 # DW_AT_low_pc
|
||||
# DW_AT_GNU_tail_call
|
||||
.long 0x78 # DW_AT_abstract_origin
|
||||
.uleb128 0x5 # (DIE (0x66) DW_TAG_GNU_call_site_parameter)
|
||||
.uleb128 0x1 # DW_AT_location
|
||||
.byte 0x55 # DW_OP_reg5
|
||||
.uleb128 0x5 # DW_AT_GNU_call_site_value
|
||||
.byte 0xf3 # DW_OP_GNU_entry_value
|
||||
.uleb128 0x1
|
||||
.byte 0x55 # DW_OP_reg5
|
||||
.byte 0x23 # DW_OP_plus_uconst
|
||||
.uleb128 0x1
|
||||
.byte 0 # end of children of DIE 0x59
|
||||
.byte 0 # end of children of DIE 0x2d
|
||||
.uleb128 0x6 # (DIE (0x71) DW_TAG_base_type)
|
||||
.byte 0x4 # DW_AT_byte_size
|
||||
.byte 0x5 # DW_AT_encoding
|
||||
.ascii "int\0" # DW_AT_name
|
||||
.uleb128 0x7 # (DIE (0x78) DW_TAG_subprogram)
|
||||
# DW_AT_external
|
||||
.ascii "g\0" # DW_AT_name
|
||||
.byte 0x1 # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx2.cc)
|
||||
.byte 0x12 # DW_AT_decl_line
|
||||
.long .LASF4 # DW_AT_linkage_name: "_Z1gi"
|
||||
# DW_AT_declaration
|
||||
.uleb128 0x8 # (DIE (0x81) DW_TAG_formal_parameter)
|
||||
.long 0x71 # DW_AT_type
|
||||
.byte 0 # end of children of DIE 0x78
|
||||
.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 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x12 # (DW_AT_high_pc)
|
||||
.uleb128 0x7 # (DW_FORM_data8)
|
||||
.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 0x1 # DW_children_yes
|
||||
.uleb128 0x3f # (DW_AT_external)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.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 0x6e # (DW_AT_linkage_name)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.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 0x3 # (abbrev code)
|
||||
.uleb128 0x5 # (TAG: DW_TAG_formal_parameter)
|
||||
.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 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 0x4 # (abbrev code)
|
||||
.uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
|
||||
.byte 0x1 # DW_children_yes
|
||||
.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 0x5 # (abbrev code)
|
||||
.uleb128 0x410a # (TAG: DW_TAG_GNU_call_site_parameter)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x2 # (DW_AT_location)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.uleb128 0x2111 # (DW_AT_GNU_call_site_value)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x6 # (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 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 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 0x6e # (DW_AT_linkage_name)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x3c # (DW_AT_declaration)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x8 # (abbrev code)
|
||||
.uleb128 0x5 # (TAG: DW_TAG_formal_parameter)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.section .debug_loc,"",@progbits
|
||||
.Ldebug_loc0:
|
||||
.LLST0:
|
||||
.quad .LVL0-.Ltext0 # Location list begin address (*.LLST0)
|
||||
.quad .LVL1-.Ltext0 # Location list end address (*.LLST0)
|
||||
.value 0x1 # Location expression size
|
||||
.byte 0x55 # DW_OP_reg5
|
||||
.quad .LVL1-.Ltext0 # Location list begin address (*.LLST0)
|
||||
.quad .LVL2-1-.Ltext0 # Location list end address (*.LLST0)
|
||||
.value 0x3 # Location expression size
|
||||
.byte 0x75 # DW_OP_breg5
|
||||
.sleb128 -1
|
||||
.byte 0x9f # DW_OP_stack_value
|
||||
.quad .LVL2-1-.Ltext0 # Location list begin address (*.LLST0)
|
||||
.quad .LFE0-.Ltext0 # Location list end address (*.LLST0)
|
||||
.value 0x4 # Location expression size
|
||||
.byte 0xf3 # DW_OP_GNU_entry_value
|
||||
.uleb128 0x1
|
||||
.byte 0x55 # DW_OP_reg5
|
||||
.byte 0x9f # DW_OP_stack_value
|
||||
.quad 0 # Location list terminator begin (*.LLST0)
|
||||
.quad 0 # Location list terminator end (*.LLST0)
|
||||
.section .debug_aranges,"",@progbits
|
||||
.long 0x2c # 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 0
|
||||
.quad 0
|
||||
.section .debug_line,"",@progbits
|
||||
.Ldebug_line0:
|
||||
.section .debug_str,"MS",@progbits,1
|
||||
.LASF0:
|
||||
.string "GNU C++ 4.8.0 20130220 (Red Hat 4.8.0-0.14) -mtune=generic -march=x86-64 -g -O2"
|
||||
.LASF2:
|
||||
.string ""
|
||||
.LASF3:
|
||||
.string "_Z1fi"
|
||||
.LASF1:
|
||||
.string "gdb.arch/amd64-tailcall-cxx2.cc"
|
||||
.LASF4:
|
||||
.string "_Z1gi"
|
||||
.ident "GCC: (GNU) 4.8.0 20130220 (Red Hat 4.8.0-0.14)"
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
/* This testcase is part of GDB, the GNU debugger.
|
||||
|
||||
Copyright 2013 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/>. */
|
||||
|
||||
extern void g (int x);
|
||||
|
||||
__attribute__ ((noinline, noclone)) void
|
||||
f (int x)
|
||||
{
|
||||
g (x + 1);
|
||||
}
|
||||
Loading…
Reference in New Issue