btrace: fix tests for 32-bit
The x86-record_goto.S assembly source file does not build on 32-bit. This breaks many tests that use this file. Split it into x86_64-record_goto.S and i686-record_goto.S. Luckily, we can use either one with the same test .exp file. It further turned out that most tests do not really need a fixed binary; they should work pretty well with a newly-compiled C program. The one thing that breaks this is the heavy use of "record goto" to navigate inside the recorded execution. Combine step.exp, next,exp, and finish.exp into a single test step.exp and use normal stepping and reverse-stepping commands for navigation. testsuite/ * gdb.btrace/next.exp: Merged into step.exp. * gdb.btrace/finish.exp: Merged into step.exp. * gdb.btrace/nexti.exp: Merged into stepi.exp. * gdb.btrace/step.exp: Use record_goto.c as test file. Avoid using "record goto" and checking the exact replay position. * gdb.btrace/stepi.exp: Choose test file based on target. Do not check for "Recording format" in "info record" output. * gdb.btrace/record_goto.exp: Choose test file based on target. * gdb.btrace/x86-record_goto.S: Renamed into ... * gdb.btrace/x86_64-record_goto.S: ... this. * gdb.btrace/i686-record_goto.S: New. * gdb.btrace/x86-tailcall.S: Renamed into ... * gdb.btrace/x86_64-tailcall.S: ... this. * gdb.btrace/i686-tailcall.S: New. * gdb.btrace/x86-tailcall.c: Renamed into ... * gdb.btrace/tailcall.c: ... this. Split "return ++answer" into two separate statements. Update test. * gdb.btrace/delta.exp: Use record_goto.c as test file. * gdb.btrace/gcore.exp: Use record_goto.c as test file. * gdb.btrace/nohist.exp: Use record_goto.c as test file. * gdb.btrace/tailcall.exp: Choose test file based on target. * gdb.btrace/Makefile.in: Remove next, finish, and nexti.
This commit is contained in:
Markus Metzger
parent
11cc1b7453
commit
66849923d2
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@ -1,3 +1,28 @@
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2015-03-25 Markus Metzger <markus.t.metzger@intel.com>
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* gdb.btrace/next.exp: Merged into step.exp.
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* gdb.btrace/finish.exp: Merged into step.exp.
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* gdb.btrace/nexti.exp: Merged into stepi.exp.
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* gdb.btrace/step.exp: Use record_goto.c as test file. Avoid using
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"record goto" and checking the exact replay position.
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* gdb.btrace/stepi.exp: Choose test file based on target. Do not
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check for "Recording format" in "info record" output.
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* gdb.btrace/record_goto.exp: Choose test file based on target.
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* gdb.btrace/x86-record_goto.S: Renamed into ...
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* gdb.btrace/x86_64-record_goto.S: ... this.
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* gdb.btrace/i686-record_goto.S: New.
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* gdb.btrace/x86-tailcall.S: Renamed into ...
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* gdb.btrace/x86_64-tailcall.S: ... this.
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* gdb.btrace/i686-tailcall.S: New.
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* gdb.btrace/x86-tailcall.c: Renamed into ...
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* gdb.btrace/tailcall.c: ... this. Split "return ++answer" into two
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separate statements. Update test.
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* gdb.btrace/delta.exp: Use record_goto.c as test file.
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* gdb.btrace/gcore.exp: Use record_goto.c as test file.
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* gdb.btrace/nohist.exp: Use record_goto.c as test file.
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* gdb.btrace/tailcall.exp: Choose test file based on target.
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* gdb.btrace/Makefile.in: Remove next, finish, and nexti.
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2015-03-25 Markus Metzger <markus.t.metzger@intel.com>
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* gdb.btrace/exception.exp: Increase BTS buffer size.
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@ -2,8 +2,8 @@ VPATH = @srcdir@
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srcdir = @srcdir@
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EXECUTABLES = enable function_call_history instruction_history tailcall \
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exception unknown_functions record_goto delta finish next nexti step \
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stepi multi-thread-step rn-dl-bind data
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exception unknown_functions record_goto delta step stepi \
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multi-thread-step rn-dl-bind data
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MISCELLANEOUS =
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@ -21,7 +21,7 @@
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if { [skip_btrace_tests] } { return -1 }
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# start inferior
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standard_testfile x86-record_goto.S
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standard_testfile record_goto.c
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if [prepare_for_testing delta.exp $testfile $srcfile] {
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return -1
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}
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@ -1,60 +0,0 @@
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# This testcase is part of GDB, the GNU debugger.
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#
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# Copyright 2013-2015 Free Software Foundation, Inc.
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#
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# Contributed by Intel Corp. <markus.t.metzger@intel.com>
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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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# check for btrace support
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if { [skip_btrace_tests] } { return -1 }
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# start inferior
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standard_testfile x86-record_goto.S
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if [prepare_for_testing finish.exp $testfile $srcfile] {
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return -1
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}
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if ![runto_main] {
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return -1
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}
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# trace the call to the test function
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gdb_test_no_output "record btrace"
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gdb_test "next"
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proc check_replay_at { insn } {
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gdb_test "info record" [join [list \
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"Active record target: record-btrace" \
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"Recording format: .*" \
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"Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for .*" \
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"Replay in progress\. At instruction $insn\." \
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] "\r\n"]
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}
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# let's go somewhere where we can finish
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gdb_test "record goto 32" ".*fun1\.1.*"
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with_test_prefix "at 32" { check_replay_at 32 }
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gdb_test "finish" ".*fun2\.3.*"
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with_test_prefix "finish into fun2" { check_replay_at 35 }
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gdb_test "reverse-finish" ".*fun3\.3.*"
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with_test_prefix "reverse-finish into fun3" { check_replay_at 27 }
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gdb_test "finish" ".*fun4\.5.*"
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with_test_prefix "finish into fun4" { check_replay_at 39 }
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gdb_test "reverse-finish" ".*main\.2.*"
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with_test_prefix "reverse-finish into main" { check_replay_at 1 }
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@ -21,7 +21,7 @@
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if { [skip_btrace_tests] } { return -1 }
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# start inferior
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standard_testfile x86-record_goto.S
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standard_testfile record_goto.c
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if [prepare_for_testing gcore.exp $testfile $srcfile] {
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return -1
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}
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@ -0,0 +1,384 @@
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/* This testcase is part of GDB, the GNU debugger.
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Copyright 2013-2015 Free Software Foundation, Inc.
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Contributed by Intel Corp. <markus.t.metzger@intel.com>
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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 -dA -g record_goto.c -o i686-record_goto.S */
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.file "record_goto.c"
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.text
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.Ltext0:
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.globl fun1
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.type fun1, @function
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fun1:
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.LFB0:
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.file 1 "record_goto.c"
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# record_goto.c:22
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.loc 1 22 0
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.cfi_startproc
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# BLOCK 2 seq:0
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# PRED: ENTRY (FALLTHRU)
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pushl %ebp
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.cfi_def_cfa_offset 8
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.cfi_offset 5, -8
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movl %esp, %ebp
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.cfi_def_cfa_register 5
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# record_goto.c:23
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.loc 1 23 0
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popl %ebp
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.cfi_restore 5
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.cfi_def_cfa 4, 4
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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 fun1, .-fun1
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.globl fun2
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.type fun2, @function
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fun2:
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.LFB1:
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# record_goto.c:27
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.loc 1 27 0
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.cfi_startproc
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# BLOCK 2 seq:0
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# PRED: ENTRY (FALLTHRU)
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pushl %ebp
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.cfi_def_cfa_offset 8
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.cfi_offset 5, -8
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movl %esp, %ebp
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.cfi_def_cfa_register 5
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# record_goto.c:28
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.loc 1 28 0
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call fun1
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# record_goto.c:29
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.loc 1 29 0
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popl %ebp
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.cfi_restore 5
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.cfi_def_cfa 4, 4
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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 fun2, .-fun2
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.globl fun3
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.type fun3, @function
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fun3:
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.LFB2:
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# record_goto.c:33
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.loc 1 33 0
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.cfi_startproc
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# BLOCK 2 seq:0
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# PRED: ENTRY (FALLTHRU)
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pushl %ebp
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.cfi_def_cfa_offset 8
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.cfi_offset 5, -8
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movl %esp, %ebp
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.cfi_def_cfa_register 5
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# record_goto.c:34
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.loc 1 34 0
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call fun1
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# record_goto.c:35
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.loc 1 35 0
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call fun2
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# record_goto.c:36
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.loc 1 36 0
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popl %ebp
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.cfi_restore 5
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.cfi_def_cfa 4, 4
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# SUCC: EXIT [100.0%]
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ret
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.cfi_endproc
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.LFE2:
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.size fun3, .-fun3
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.globl fun4
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.type fun4, @function
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fun4:
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.LFB3:
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# record_goto.c:40
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.loc 1 40 0
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.cfi_startproc
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# BLOCK 2 seq:0
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# PRED: ENTRY (FALLTHRU)
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pushl %ebp
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.cfi_def_cfa_offset 8
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.cfi_offset 5, -8
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movl %esp, %ebp
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.cfi_def_cfa_register 5
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# record_goto.c:41
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.loc 1 41 0
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call fun1
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# record_goto.c:42
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.loc 1 42 0
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call fun2
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# record_goto.c:43
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.loc 1 43 0
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call fun3
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# record_goto.c:44
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.loc 1 44 0
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popl %ebp
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.cfi_restore 5
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.cfi_def_cfa 4, 4
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# SUCC: EXIT [100.0%]
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ret
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.cfi_endproc
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.LFE3:
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.size fun4, .-fun4
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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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# record_goto.c:48
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.loc 1 48 0
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.cfi_startproc
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# BLOCK 2 seq:0
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# PRED: ENTRY (FALLTHRU)
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pushl %ebp
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.cfi_def_cfa_offset 8
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.cfi_offset 5, -8
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movl %esp, %ebp
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.cfi_def_cfa_register 5
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# record_goto.c:49
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.loc 1 49 0
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call fun4
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# record_goto.c:50
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.loc 1 50 0
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movl $0, %eax
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# record_goto.c:51
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.loc 1 51 0
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popl %ebp
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.cfi_restore 5
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.cfi_def_cfa 4, 4
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# SUCC: EXIT [100.0%]
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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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.Letext0:
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.section .debug_info,"",@progbits
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.Ldebug_info0:
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.long 0x82 # 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 0x4 # Pointer Size (in bytes)
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.uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit)
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.long .LASF4 # DW_AT_producer: "GNU C 4.8.3 20140911 (Red Hat 4.8.3-7) -mtune=generic -march=i686 -g"
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.byte 0x1 # DW_AT_language
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.long .LASF5 # DW_AT_name: "record_goto.c"
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.long .LASF6 # DW_AT_comp_dir: ""
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.long .Ltext0 # DW_AT_low_pc
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.long .Letext0-.Ltext0 # DW_AT_high_pc
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.long .Ldebug_line0 # DW_AT_stmt_list
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.uleb128 0x2 # (DIE (0x25) DW_TAG_subprogram)
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# DW_AT_external
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.long .LASF0 # DW_AT_name: "fun1"
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.byte 0x1 # DW_AT_decl_file (record_goto.c)
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.byte 0x15 # DW_AT_decl_line
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# DW_AT_prototyped
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.long .LFB0 # DW_AT_low_pc
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.long .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 (0x36) DW_TAG_subprogram)
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# DW_AT_external
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.long .LASF1 # DW_AT_name: "fun2"
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.byte 0x1 # DW_AT_decl_file (record_goto.c)
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.byte 0x1a # DW_AT_decl_line
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# DW_AT_prototyped
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.long .LFB1 # DW_AT_low_pc
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.long .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_tail_call_sites
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.uleb128 0x3 # (DIE (0x47) DW_TAG_subprogram)
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# DW_AT_external
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.long .LASF2 # DW_AT_name: "fun3"
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.byte 0x1 # DW_AT_decl_file (record_goto.c)
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.byte 0x20 # DW_AT_decl_line
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# DW_AT_prototyped
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.long .LFB2 # DW_AT_low_pc
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.long .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_tail_call_sites
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.uleb128 0x3 # (DIE (0x58) DW_TAG_subprogram)
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# DW_AT_external
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.long .LASF3 # DW_AT_name: "fun4"
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.byte 0x1 # DW_AT_decl_file (record_goto.c)
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.byte 0x27 # DW_AT_decl_line
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# DW_AT_prototyped
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.long .LFB3 # DW_AT_low_pc
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.long .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_tail_call_sites
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.uleb128 0x4 # (DIE (0x69) DW_TAG_subprogram)
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# DW_AT_external
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.long .LASF7 # DW_AT_name: "main"
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.byte 0x1 # DW_AT_decl_file (record_goto.c)
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.byte 0x2f # DW_AT_decl_line
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# DW_AT_prototyped
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.long 0x7e # DW_AT_type
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.long .LFB4 # DW_AT_low_pc
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.long .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_tail_call_sites
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.uleb128 0x5 # (DIE (0x7e) 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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.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)
|
||||
.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 0x6 # (DW_FORM_data4)
|
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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 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 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x12 # (DW_AT_high_pc)
|
||||
.uleb128 0x6 # (DW_FORM_data4)
|
||||
.uleb128 0x40 # (DW_AT_frame_base)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x3 # (abbrev code)
|
||||
.uleb128 0x2e # (TAG: DW_TAG_subprogram)
|
||||
.byte 0 # DW_children_no
|
||||
.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 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x12 # (DW_AT_high_pc)
|
||||
.uleb128 0x6 # (DW_FORM_data4)
|
||||
.uleb128 0x40 # (DW_AT_frame_base)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.uleb128 0x2116 # (DW_AT_GNU_all_tail_call_sites)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x4 # (abbrev code)
|
||||
.uleb128 0x2e # (TAG: DW_TAG_subprogram)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x3f # (DW_AT_external)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x3 # (DW_AT_name)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x3a # (DW_AT_decl_file)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x3b # (DW_AT_decl_line)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x27 # (DW_AT_prototyped)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.uleb128 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x12 # (DW_AT_high_pc)
|
||||
.uleb128 0x6 # (DW_FORM_data4)
|
||||
.uleb128 0x40 # (DW_AT_frame_base)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.uleb128 0x2116 # (DW_AT_GNU_all_tail_call_sites)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x5 # (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
|
||||
.byte 0
|
||||
.section .debug_aranges,"",@progbits
|
||||
.long 0x1c # Length of Address Ranges Info
|
||||
.value 0x2 # DWARF Version
|
||||
.long .Ldebug_info0 # Offset of Compilation Unit Info
|
||||
.byte 0x4 # Size of Address
|
||||
.byte 0 # Size of Segment Descriptor
|
||||
.value 0 # Pad to 8 byte boundary
|
||||
.value 0
|
||||
.long .Ltext0 # Address
|
||||
.long .Letext0-.Ltext0 # Length
|
||||
.long 0
|
||||
.long 0
|
||||
.section .debug_line,"",@progbits
|
||||
.Ldebug_line0:
|
||||
.section .debug_str,"MS",@progbits,1
|
||||
.LASF3:
|
||||
.string "fun4"
|
||||
.LASF4:
|
||||
.string "GNU C 4.8.3 20140911 (Red Hat 4.8.3-7) -mtune=generic -march=i686 -g"
|
||||
.LASF7:
|
||||
.string "main"
|
||||
.LASF1:
|
||||
.string "fun2"
|
||||
.LASF5:
|
||||
.string "record_goto.c"
|
||||
.LASF0:
|
||||
.string "fun1"
|
||||
.LASF6:
|
||||
.string ""
|
||||
.LASF2:
|
||||
.string "fun3"
|
||||
.ident "GCC: (GNU) 4.8.3 20140911 (Red Hat 4.8.3-7)"
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
|
|
@ -0,0 +1,351 @@
|
|||
/* This testcase is part of GDB, the GNU debugger.
|
||||
|
||||
Copyright 2013-2015 Free Software Foundation, Inc.
|
||||
|
||||
Contributed by Intel Corp. <markus.t.metzger@intel.com>
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
|
||||
This file has been generated using:
|
||||
gcc -S -O2 -dA -g tailcall.c -o i686-tailcall.S */
|
||||
|
||||
.file "tailcall.c"
|
||||
.text
|
||||
.Ltext0:
|
||||
.p2align 4,,15
|
||||
.type bar, @function
|
||||
bar:
|
||||
.LFB0:
|
||||
.file 1 "tailcall.c"
|
||||
# tailcall.c:22
|
||||
.loc 1 22 0
|
||||
.cfi_startproc
|
||||
# BLOCK 2 freq:10000 seq:0
|
||||
# PRED: ENTRY [100.0%] (FALLTHRU)
|
||||
# tailcall.c:24
|
||||
.loc 1 24 0
|
||||
movl $42, %eax
|
||||
# SUCC: EXIT [100.0%]
|
||||
ret
|
||||
.cfi_endproc
|
||||
.LFE0:
|
||||
.size bar, .-bar
|
||||
.p2align 4,,15
|
||||
.type foo, @function
|
||||
foo:
|
||||
.LFB1:
|
||||
# tailcall.c:28
|
||||
.loc 1 28 0
|
||||
.cfi_startproc
|
||||
# BLOCK 2 freq:10000 seq:0
|
||||
# PRED: ENTRY [100.0%] (FALLTHRU)
|
||||
# tailcall.c:29
|
||||
.loc 1 29 0
|
||||
jmp bar
|
||||
# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL)
|
||||
.LVL0:
|
||||
.cfi_endproc
|
||||
.LFE1:
|
||||
.size foo, .-foo
|
||||
.section .text.startup,"ax",@progbits
|
||||
.p2align 4,,15
|
||||
.globl main
|
||||
.type main, @function
|
||||
main:
|
||||
.LFB2:
|
||||
# tailcall.c:34
|
||||
.loc 1 34 0
|
||||
.cfi_startproc
|
||||
# BLOCK 2 freq:10000 seq:0
|
||||
# PRED: ENTRY [100.0%] (FALLTHRU)
|
||||
# tailcall.c:37
|
||||
.loc 1 37 0
|
||||
call foo
|
||||
.LVL1:
|
||||
# tailcall.c:38
|
||||
.loc 1 38 0
|
||||
addl $1, %eax
|
||||
.LVL2:
|
||||
# SUCC: EXIT [100.0%]
|
||||
# tailcall.c:41
|
||||
.loc 1 41 0
|
||||
ret
|
||||
.cfi_endproc
|
||||
.LFE2:
|
||||
.size main, .-main
|
||||
.text
|
||||
.Letext0:
|
||||
.section .debug_info,"",@progbits
|
||||
.Ldebug_info0:
|
||||
.long 0x8f # Length of Compilation Unit Info
|
||||
.value 0x4 # DWARF version number
|
||||
.long .Ldebug_abbrev0 # Offset Into Abbrev. Section
|
||||
.byte 0x4 # Pointer Size (in bytes)
|
||||
.uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit)
|
||||
.long .LASF0 # DW_AT_producer: "GNU C 4.8.3 20140911 (Red Hat 4.8.3-7) -mtune=generic -march=i686 -g -O2"
|
||||
.byte 0x1 # DW_AT_language
|
||||
.long .LASF1 # DW_AT_name: "tailcall.c"
|
||||
.long .LASF2 # DW_AT_comp_dir: ""
|
||||
.long .Ldebug_ranges0+0 # DW_AT_ranges
|
||||
.long 0 # DW_AT_low_pc
|
||||
.long .Ldebug_line0 # DW_AT_stmt_list
|
||||
.uleb128 0x2 # (DIE (0x25) DW_TAG_subprogram)
|
||||
.ascii "bar\0" # DW_AT_name
|
||||
.byte 0x1 # DW_AT_decl_file (tailcall.c)
|
||||
.byte 0x15 # DW_AT_decl_line
|
||||
# DW_AT_prototyped
|
||||
.long 0x3a # DW_AT_type
|
||||
.long .LFB0 # DW_AT_low_pc
|
||||
.long .LFE0-.LFB0 # DW_AT_high_pc
|
||||
.uleb128 0x1 # DW_AT_frame_base
|
||||
.byte 0x9c # DW_OP_call_frame_cfa
|
||||
# DW_AT_GNU_all_call_sites
|
||||
.uleb128 0x3 # (DIE (0x3a) DW_TAG_base_type)
|
||||
.byte 0x4 # DW_AT_byte_size
|
||||
.byte 0x5 # DW_AT_encoding
|
||||
.ascii "int\0" # DW_AT_name
|
||||
.uleb128 0x4 # (DIE (0x41) DW_TAG_subprogram)
|
||||
.ascii "foo\0" # DW_AT_name
|
||||
.byte 0x1 # DW_AT_decl_file (tailcall.c)
|
||||
.byte 0x1b # DW_AT_decl_line
|
||||
# DW_AT_prototyped
|
||||
.long 0x3a # DW_AT_type
|
||||
.long .LFB1 # DW_AT_low_pc
|
||||
.long .LFE1-.LFB1 # DW_AT_high_pc
|
||||
.uleb128 0x1 # DW_AT_frame_base
|
||||
.byte 0x9c # DW_OP_call_frame_cfa
|
||||
# DW_AT_GNU_all_call_sites
|
||||
.long 0x64 # DW_AT_sibling
|
||||
.uleb128 0x5 # (DIE (0x5a) DW_TAG_GNU_call_site)
|
||||
.long .LVL0 # DW_AT_low_pc
|
||||
# DW_AT_GNU_tail_call
|
||||
.long 0x25 # DW_AT_abstract_origin
|
||||
.byte 0 # end of children of DIE 0x41
|
||||
.uleb128 0x6 # (DIE (0x64) DW_TAG_subprogram)
|
||||
# DW_AT_external
|
||||
.long .LASF3 # DW_AT_name: "main"
|
||||
.byte 0x1 # DW_AT_decl_file (tailcall.c)
|
||||
.byte 0x21 # DW_AT_decl_line
|
||||
# DW_AT_prototyped
|
||||
.long 0x3a # DW_AT_type
|
||||
.long .LFB2 # DW_AT_low_pc
|
||||
.long .LFE2-.LFB2 # DW_AT_high_pc
|
||||
.uleb128 0x1 # DW_AT_frame_base
|
||||
.byte 0x9c # DW_OP_call_frame_cfa
|
||||
# DW_AT_GNU_all_call_sites
|
||||
.uleb128 0x7 # (DIE (0x79) DW_TAG_variable)
|
||||
.long .LASF4 # DW_AT_name: "answer"
|
||||
.byte 0x1 # DW_AT_decl_file (tailcall.c)
|
||||
.byte 0x23 # DW_AT_decl_line
|
||||
.long 0x3a # DW_AT_type
|
||||
.long .LLST0 # DW_AT_location
|
||||
.uleb128 0x8 # (DIE (0x88) DW_TAG_GNU_call_site)
|
||||
.long .LVL1 # DW_AT_low_pc
|
||||
.long 0x41 # DW_AT_abstract_origin
|
||||
.byte 0 # end of children of DIE 0x64
|
||||
.byte 0 # end of children of DIE 0xb
|
||||
.section .debug_abbrev,"",@progbits
|
||||
.Ldebug_abbrev0:
|
||||
.uleb128 0x1 # (abbrev code)
|
||||
.uleb128 0x11 # (TAG: DW_TAG_compile_unit)
|
||||
.byte 0x1 # DW_children_yes
|
||||
.uleb128 0x25 # (DW_AT_producer)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x13 # (DW_AT_language)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x3 # (DW_AT_name)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x1b # (DW_AT_comp_dir)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x55 # (DW_AT_ranges)
|
||||
.uleb128 0x17 # (DW_FORM_sec_offset)
|
||||
.uleb128 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x10 # (DW_AT_stmt_list)
|
||||
.uleb128 0x17 # (DW_FORM_sec_offset)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x2 # (abbrev code)
|
||||
.uleb128 0x2e # (TAG: DW_TAG_subprogram)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x3 # (DW_AT_name)
|
||||
.uleb128 0x8 # (DW_FORM_string)
|
||||
.uleb128 0x3a # (DW_AT_decl_file)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x3b # (DW_AT_decl_line)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x27 # (DW_AT_prototyped)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.uleb128 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x12 # (DW_AT_high_pc)
|
||||
.uleb128 0x6 # (DW_FORM_data4)
|
||||
.uleb128 0x40 # (DW_AT_frame_base)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x3 # (abbrev code)
|
||||
.uleb128 0x24 # (TAG: DW_TAG_base_type)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0xb # (DW_AT_byte_size)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x3e # (DW_AT_encoding)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x3 # (DW_AT_name)
|
||||
.uleb128 0x8 # (DW_FORM_string)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x4 # (abbrev code)
|
||||
.uleb128 0x2e # (TAG: DW_TAG_subprogram)
|
||||
.byte 0x1 # DW_children_yes
|
||||
.uleb128 0x3 # (DW_AT_name)
|
||||
.uleb128 0x8 # (DW_FORM_string)
|
||||
.uleb128 0x3a # (DW_AT_decl_file)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x3b # (DW_AT_decl_line)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x27 # (DW_AT_prototyped)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.uleb128 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x12 # (DW_AT_high_pc)
|
||||
.uleb128 0x6 # (DW_FORM_data4)
|
||||
.uleb128 0x40 # (DW_AT_frame_base)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x1 # (DW_AT_sibling)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x5 # (abbrev code)
|
||||
.uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x2115 # (DW_AT_GNU_tail_call)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x31 # (DW_AT_abstract_origin)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x6 # (abbrev code)
|
||||
.uleb128 0x2e # (TAG: DW_TAG_subprogram)
|
||||
.byte 0x1 # DW_children_yes
|
||||
.uleb128 0x3f # (DW_AT_external)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x3 # (DW_AT_name)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x3a # (DW_AT_decl_file)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x3b # (DW_AT_decl_line)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x27 # (DW_AT_prototyped)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.uleb128 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x12 # (DW_AT_high_pc)
|
||||
.uleb128 0x6 # (DW_FORM_data4)
|
||||
.uleb128 0x40 # (DW_AT_frame_base)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x7 # (abbrev code)
|
||||
.uleb128 0x34 # (TAG: DW_TAG_variable)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x3 # (DW_AT_name)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x3a # (DW_AT_decl_file)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x3b # (DW_AT_decl_line)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.uleb128 0x2 # (DW_AT_location)
|
||||
.uleb128 0x17 # (DW_FORM_sec_offset)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x8 # (abbrev code)
|
||||
.uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x31 # (DW_AT_abstract_origin)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.section .debug_loc,"",@progbits
|
||||
.Ldebug_loc0:
|
||||
.LLST0:
|
||||
.long .LVL1 # Location list begin address (*.LLST0)
|
||||
.long .LVL2 # Location list end address (*.LLST0)
|
||||
.value 0x3 # Location expression size
|
||||
.byte 0x70 # DW_OP_breg0
|
||||
.sleb128 1
|
||||
.byte 0x9f # DW_OP_stack_value
|
||||
.long .LVL2 # Location list begin address (*.LLST0)
|
||||
.long .LFE2 # Location list end address (*.LLST0)
|
||||
.value 0x1 # Location expression size
|
||||
.byte 0x50 # DW_OP_reg0
|
||||
.long 0 # Location list terminator begin (*.LLST0)
|
||||
.long 0 # Location list terminator end (*.LLST0)
|
||||
.section .debug_aranges,"",@progbits
|
||||
.long 0x24 # Length of Address Ranges Info
|
||||
.value 0x2 # DWARF Version
|
||||
.long .Ldebug_info0 # Offset of Compilation Unit Info
|
||||
.byte 0x4 # Size of Address
|
||||
.byte 0 # Size of Segment Descriptor
|
||||
.value 0 # Pad to 8 byte boundary
|
||||
.value 0
|
||||
.long .Ltext0 # Address
|
||||
.long .Letext0-.Ltext0 # Length
|
||||
.long .LFB2 # Address
|
||||
.long .LFE2-.LFB2 # Length
|
||||
.long 0
|
||||
.long 0
|
||||
.section .debug_ranges,"",@progbits
|
||||
.Ldebug_ranges0:
|
||||
.long .Ltext0 # Offset 0
|
||||
.long .Letext0
|
||||
.long .LFB2 # Offset 0x8
|
||||
.long .LFE2
|
||||
.long 0
|
||||
.long 0
|
||||
.section .debug_line,"",@progbits
|
||||
.Ldebug_line0:
|
||||
.section .debug_str,"MS",@progbits,1
|
||||
.LASF1:
|
||||
.string "tailcall.c"
|
||||
.LASF3:
|
||||
.string "main"
|
||||
.LASF0:
|
||||
.string "GNU C 4.8.3 20140911 (Red Hat 4.8.3-7) -mtune=generic -march=i686 -g -O2"
|
||||
.LASF4:
|
||||
.string "answer"
|
||||
.LASF2:
|
||||
.string ""
|
||||
.ident "GCC: (GNU) 4.8.3 20140911 (Red Hat 4.8.3-7)"
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
|
|
@ -1,78 +0,0 @@
|
|||
# This testcase is part of GDB, the GNU debugger.
|
||||
#
|
||||
# Copyright 2013-2015 Free Software Foundation, Inc.
|
||||
#
|
||||
# Contributed by Intel Corp. <markus.t.metzger@intel.com>
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
# check for btrace support
|
||||
if { [skip_btrace_tests] } { return -1 }
|
||||
|
||||
# start inferior
|
||||
standard_testfile x86-record_goto.S
|
||||
if [prepare_for_testing next.exp $testfile $srcfile] {
|
||||
return -1
|
||||
}
|
||||
|
||||
if ![runto_main] {
|
||||
return -1
|
||||
}
|
||||
|
||||
# trace the call to the test function
|
||||
gdb_test_no_output "record btrace"
|
||||
gdb_test "next"
|
||||
|
||||
proc check_replay_at { insn } {
|
||||
gdb_test "info record" [join [list \
|
||||
"Active record target: record-btrace" \
|
||||
"Recording format: .*" \
|
||||
"Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for .*" \
|
||||
"Replay in progress\. At instruction $insn\." \
|
||||
] "\r\n"]
|
||||
}
|
||||
|
||||
# we start with stepping to make sure that the trace is fetched automatically
|
||||
# the call is outside of our trace
|
||||
gdb_test "reverse-next" ".*main\.2.*"
|
||||
with_test_prefix "reverse-next - 1" { check_replay_at 1 }
|
||||
|
||||
# we can't reverse-step any further
|
||||
gdb_test "reverse-next" "No more reverse-execution history\.\r\n.*main\.2.*"
|
||||
with_test_prefix "reverse-next - 2" { check_replay_at 1 }
|
||||
|
||||
# but we can step back again
|
||||
gdb_test "next" ".*main\.3.*"
|
||||
gdb_test "info record" [join [list \
|
||||
"Active record target: record-btrace" \
|
||||
"Recording format: .*" \
|
||||
"Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for \[^\\\r\\\n\]*" \
|
||||
] "\r\n"] "next back"
|
||||
|
||||
# let's go somewhere where we can step some more
|
||||
gdb_test "record goto 22" ".*fun3\.2.*"
|
||||
with_test_prefix "goto 22" { check_replay_at 22 }
|
||||
|
||||
gdb_test "next" ".*fun3\.3.*"
|
||||
with_test_prefix "next to 27" { check_replay_at 27 }
|
||||
|
||||
gdb_test "next" ".*fun3\.4.*"
|
||||
with_test_prefix "next to 37" { check_replay_at 37 }
|
||||
|
||||
# and back again
|
||||
gdb_test "reverse-next" ".*fun3\.3.*"
|
||||
with_test_prefix "reverse-next to 27" { check_replay_at 27 }
|
||||
|
||||
gdb_test "reverse-next" ".*fun3\.2.*"
|
||||
with_test_prefix "reverse-next to 22" { check_replay_at 22 }
|
||||
|
|
@ -1,78 +0,0 @@
|
|||
# This testcase is part of GDB, the GNU debugger.
|
||||
#
|
||||
# Copyright 2013-2015 Free Software Foundation, Inc.
|
||||
#
|
||||
# Contributed by Intel Corp. <markus.t.metzger@intel.com>
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
# check for btrace support
|
||||
if { [skip_btrace_tests] } { return -1 }
|
||||
|
||||
# start inferior
|
||||
standard_testfile x86-record_goto.S
|
||||
if [prepare_for_testing nexti.exp $testfile $srcfile] {
|
||||
return -1
|
||||
}
|
||||
|
||||
if ![runto_main] {
|
||||
return -1
|
||||
}
|
||||
|
||||
# trace the call to the test function
|
||||
gdb_test_no_output "record btrace"
|
||||
gdb_test "next"
|
||||
|
||||
proc check_replay_at { insn } {
|
||||
gdb_test "info record" [join [list \
|
||||
"Active record target: record-btrace" \
|
||||
"Recording format: .*" \
|
||||
"Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for .*" \
|
||||
"Replay in progress\. At instruction $insn\." \
|
||||
] "\r\n"]
|
||||
}
|
||||
|
||||
# we start with stepping to make sure that the trace is fetched automatically
|
||||
# the call is outside of our trace
|
||||
gdb_test "reverse-nexti" ".*main\.2.*"
|
||||
with_test_prefix "reverse-nexti - 1" { check_replay_at 1 }
|
||||
|
||||
# we can't reverse-step any further
|
||||
gdb_test "reverse-nexti" "No more reverse-execution history\.\r\n.*main\.2.*"
|
||||
with_test_prefix "reverse-nexti - 1" { check_replay_at 1 }
|
||||
|
||||
# but we can step back again
|
||||
gdb_test "nexti" ".*main\.3.*" "next, 1.5"
|
||||
gdb_test "info record" [join [list \
|
||||
"Active record target: record-btrace" \
|
||||
"Recording format: .*" \
|
||||
"Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for \[^\\\r\\\n\]*" \
|
||||
] "\r\n"] "nexti back"
|
||||
|
||||
# let's go somewhere where we can step some more
|
||||
gdb_test "record goto 22" ".*fun3\.2.*"
|
||||
with_test_prefix "goto 22" { check_replay_at 22 }
|
||||
|
||||
gdb_test "nexti" ".*fun3\.3.*"
|
||||
with_test_prefix "nexti to 27" { check_replay_at 27 }
|
||||
|
||||
gdb_test "nexti" ".*fun3\.4.*"
|
||||
with_test_prefix "nexti to 37" { check_replay_at 37 }
|
||||
|
||||
# and back again
|
||||
gdb_test "reverse-nexti" ".*fun3\.3.*"
|
||||
with_test_prefix "reverse-nexti to 27" { check_replay_at 27 }
|
||||
|
||||
gdb_test "reverse-nexti" ".*fun3\.2.*"
|
||||
with_test_prefix "reverse-nexti to 22" { check_replay_at 22 }
|
||||
|
|
@ -21,7 +21,7 @@
|
|||
if { [skip_btrace_tests] } { return -1 }
|
||||
|
||||
# start inferior
|
||||
standard_testfile x86-record_goto.S
|
||||
standard_testfile record_goto.c
|
||||
if [prepare_for_testing nohist.exp $testfile $srcfile] {
|
||||
return -1
|
||||
}
|
||||
|
|
|
|||
|
|
@ -20,17 +20,26 @@
|
|||
# check for btrace support
|
||||
if { [skip_btrace_tests] } { return -1 }
|
||||
|
||||
# start inferior
|
||||
standard_testfile x86-record_goto.S
|
||||
|
||||
# The "record goto" command jumps to a specific instruction in the execution
|
||||
# trace. To guarantee that we always get the same execution trace, we use
|
||||
# an assembly source file.
|
||||
#
|
||||
# We use different assembly sources based on the target architecture.
|
||||
#
|
||||
# Luckily, they are similar enough that a single test script can handle
|
||||
# both.
|
||||
set opts {}
|
||||
if [info exists COMPILE] {
|
||||
# make check RUNTESTFLAGS="gdb.btrace/record_goto.exp COMPILE=1"
|
||||
standard_testfile record_goto.c
|
||||
lappend opts debug
|
||||
} elseif { ![istarget x86_64-*-* ] || ![is_lp64_target] } {
|
||||
} elseif {[istarget "x86_64-*-*"]} {
|
||||
standard_testfile x86_64-record_goto.S
|
||||
} elseif {[istarget "i?86-*-*"]} {
|
||||
standard_testfile i686-record_goto.S
|
||||
} else {
|
||||
verbose "Skipping ${testfile}."
|
||||
return
|
||||
return -1
|
||||
}
|
||||
|
||||
if [prepare_for_testing record_goto.exp $testfile $srcfile $opts] {
|
||||
|
|
|
|||
|
|
@ -20,8 +20,9 @@
|
|||
# check for btrace support
|
||||
if { [skip_btrace_tests] } { return -1 }
|
||||
|
||||
standard_testfile record_goto.c
|
||||
|
||||
# start inferior
|
||||
standard_testfile x86-record_goto.S
|
||||
if [prepare_for_testing step.exp $testfile $srcfile] {
|
||||
return -1
|
||||
}
|
||||
|
|
@ -34,58 +35,13 @@ if ![runto_main] {
|
|||
gdb_test_no_output "record btrace"
|
||||
gdb_test "next"
|
||||
|
||||
proc check_replay_at { insn } {
|
||||
gdb_test "info record" [join [list \
|
||||
"Active record target: record-btrace" \
|
||||
"Recording format: .*" \
|
||||
"Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for .*" \
|
||||
"Replay in progress\. At instruction $insn\." \
|
||||
] "\r\n"]
|
||||
}
|
||||
|
||||
# let's start by stepping back into the function we just returned from
|
||||
gdb_test "reverse-step" ".*fun4\.5.*"
|
||||
with_test_prefix "reverse-step to 39" { check_replay_at 39 }
|
||||
|
||||
# again
|
||||
gdb_test "reverse-step" ".*fun3\.4.*"
|
||||
with_test_prefix "reverse-step to 37" { check_replay_at 37 }
|
||||
|
||||
# and again
|
||||
gdb_test "reverse-step" ".*fun2\.3.*"
|
||||
with_test_prefix "reverse-step to 35" { check_replay_at 35 }
|
||||
|
||||
# once more
|
||||
gdb_test "reverse-step" ".*fun1\.2.*"
|
||||
with_test_prefix "reverse-step to 33" { check_replay_at 33 }
|
||||
|
||||
# and out again the other side
|
||||
gdb_test "reverse-step" ".*fun2\.2.*"
|
||||
with_test_prefix "reverse-step to 30" { check_replay_at 30 }
|
||||
|
||||
# once again
|
||||
gdb_test "reverse-step" ".*fun3\.3.*"
|
||||
with_test_prefix "reverse-step to 27" { check_replay_at 27 }
|
||||
|
||||
# and back the way we came
|
||||
# let's step around a bit
|
||||
gdb_test "reverse-next" ".*main\.2.*"
|
||||
gdb_test "step" ".*fun4\.2.*"
|
||||
gdb_test "next" ".*fun4\.3.*"
|
||||
gdb_test "step" ".*fun2\.2.*"
|
||||
with_test_prefix "step to 30" { check_replay_at 30 }
|
||||
|
||||
gdb_test "step" ".*fun1\.2.*"
|
||||
with_test_prefix "step to 33" { check_replay_at 33 }
|
||||
|
||||
gdb_test "step" ".*fun2\.3.*"
|
||||
with_test_prefix "step to 35" { check_replay_at 35 }
|
||||
|
||||
gdb_test "step" ".*fun3\.4.*"
|
||||
with_test_prefix "step to 37" { check_replay_at 37 }
|
||||
|
||||
gdb_test "step" ".*fun4\.5.*"
|
||||
with_test_prefix "step to 39" { check_replay_at 39 }
|
||||
|
||||
gdb_test "step" ".*main\.3.*"
|
||||
gdb_test "info record" [join [list \
|
||||
"Active record target: record-btrace" \
|
||||
"Recording format: .*" \
|
||||
"Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for \[^\\\r\\\n\]*" \
|
||||
] "\r\n"] "step to live"
|
||||
gdb_test "finish" ".*fun4\.4.*"
|
||||
gdb_test "reverse-step" ".*fun2\.3.*"
|
||||
gdb_test "reverse-finish" ".*fun4\.3.*"
|
||||
gdb_test "reverse-next" ".*fun4\.2.*"
|
||||
gdb_test "reverse-finish" ".*main\.2.*"
|
||||
|
|
|
|||
|
|
@ -20,8 +20,22 @@
|
|||
# check for btrace support
|
||||
if { [skip_btrace_tests] } { return -1 }
|
||||
|
||||
# This test is stepping on instruction level. To guarantee that we always
|
||||
# get the same execution trace, we use an assembly source file.
|
||||
#
|
||||
# We use different assembly sources based on the target architecture.
|
||||
#
|
||||
# Luckily, they are similar enough that a single test script can handle
|
||||
# both.
|
||||
if {[istarget "x86_64-*-*"]} {
|
||||
standard_testfile x86_64-record_goto.S
|
||||
} elseif {[istarget "i?86-*-*"]} {
|
||||
standard_testfile i686-record_goto.S
|
||||
} else {
|
||||
return -1
|
||||
}
|
||||
|
||||
# start inferior
|
||||
standard_testfile x86-record_goto.S
|
||||
if [prepare_for_testing stepi.exp $testfile $srcfile] {
|
||||
return -1
|
||||
}
|
||||
|
|
@ -35,7 +49,7 @@ if ![runto_main] {
|
|||
proc check_replay_at { insn } {
|
||||
gdb_test "info record" [join [list \
|
||||
"Active record target: record-btrace" \
|
||||
"Recording format: .*" \
|
||||
".*" \
|
||||
"Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for .*" \
|
||||
"Replay in progress\. At instruction $insn\." \
|
||||
] "\r\n"]
|
||||
|
|
@ -60,10 +74,26 @@ with_test_prefix "stepi to 40" { check_replay_at 40 }
|
|||
gdb_test "stepi" ".*main\.3.*"
|
||||
gdb_test "info record" [join [list \
|
||||
"Active record target: record-btrace" \
|
||||
"Recording format: .*" \
|
||||
".*" \
|
||||
"Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for \[^\\\r\\\n\]*" \
|
||||
] "\r\n"] "stepi to live"
|
||||
|
||||
# let's try nexti
|
||||
gdb_test "reverse-nexti" ".*main\.2.*"
|
||||
with_test_prefix "reverse-nexti - 1" { check_replay_at 1 }
|
||||
|
||||
# we can't reverse-nexti any further
|
||||
gdb_test "reverse-nexti" "No more reverse-execution history\.\r\n.*main\.2.*"
|
||||
with_test_prefix "reverse-nexti - 1" { check_replay_at 1 }
|
||||
|
||||
# but we can step back again
|
||||
gdb_test "nexti" ".*main\.3.*" "next, 1.5"
|
||||
gdb_test "info record" [join [list \
|
||||
"Active record target: record-btrace" \
|
||||
".*" \
|
||||
"Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for \[^\\\r\\\n\]*" \
|
||||
] "\r\n"] "nexti back"
|
||||
|
||||
# let's step from a goto position somewhere in the middle
|
||||
gdb_test "record goto 22" ".*fun3\.2.*"
|
||||
with_test_prefix "goto 22" { check_replay_at 22 }
|
||||
|
|
@ -71,10 +101,14 @@ with_test_prefix "goto 22" { check_replay_at 22 }
|
|||
gdb_test "stepi" ".*fun1\.1.*"
|
||||
with_test_prefix "stepi to 23" { check_replay_at 23 }
|
||||
|
||||
# and back again
|
||||
gdb_test "reverse-stepi" ".*fun3\.2.*"
|
||||
gdb_test "reverse-stepi" ".*fun3\.1.*"
|
||||
with_test_prefix "reverse-stepi to 21" { check_replay_at 21 }
|
||||
with_test_prefix "reverse-stepi to 22" { check_replay_at 22 }
|
||||
|
||||
gdb_test "nexti" ".*fun3\.3.*"
|
||||
with_test_prefix "nexti to 27" { check_replay_at 27 }
|
||||
|
||||
gdb_test "reverse-nexti" ".*fun3\.2.*"
|
||||
with_test_prefix "reverse-nexti to 22" { check_replay_at 22 }
|
||||
|
||||
# let's try to step off the left end
|
||||
gdb_test "record goto begin" ".*main\.2.*"
|
||||
|
|
@ -84,6 +118,10 @@ gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*"
|
|||
gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*"
|
||||
with_test_prefix "reverse-stepi at begin" { check_replay_at 1 }
|
||||
|
||||
gdb_test "reverse-nexti" "No more reverse-execution history\.\r\n.*main\.2.*"
|
||||
gdb_test "reverse-nexti" "No more reverse-execution history\.\r\n.*main\.2.*"
|
||||
with_test_prefix "reverse-nexti at begin" { check_replay_at 1 }
|
||||
|
||||
# we can step forward, though
|
||||
gdb_test "stepi" ".*fun4\.1.*"
|
||||
with_test_prefix "stepi to 2" { check_replay_at 2 }
|
||||
|
|
|
|||
|
|
@ -35,5 +35,7 @@ main (void)
|
|||
int answer;
|
||||
|
||||
answer = foo ();
|
||||
return ++answer;
|
||||
answer += 1;
|
||||
|
||||
return answer;
|
||||
}
|
||||
|
|
@ -20,15 +20,23 @@
|
|||
# check for btrace support
|
||||
if { [skip_btrace_tests] } { return -1 }
|
||||
|
||||
# start inferior
|
||||
standard_testfile x86-tailcall.S
|
||||
|
||||
# This test requires the compiler to generate a tail call. To guarantee that
|
||||
# we always get one, we use an assembly source file.
|
||||
#
|
||||
# We use different assembly sources based on the target architecture.
|
||||
#
|
||||
# Luckily, they are similar enough that a single test script can handle
|
||||
# both.
|
||||
set opts {}
|
||||
if [info exists COMPILE] {
|
||||
# make check RUNTESTFLAGS="gdb.btrace/tailcall.exp COMPILE=1"
|
||||
standard_testfile x86-tailcall.c
|
||||
standard_testfile tailcall.c
|
||||
lappend opts debug optimize=-O2
|
||||
} elseif { ![istarget x86_64-*-* ] || ![is_lp64_target] } {
|
||||
} elseif {[istarget "x86_64-*-*"]} {
|
||||
standard_testfile x86_64-tailcall.S
|
||||
} elseif {[istarget "i?86-*-*"]} {
|
||||
standard_testfile i686-tailcall.S
|
||||
} else {
|
||||
verbose "Skipping ${testfile}."
|
||||
return
|
||||
}
|
||||
|
|
@ -45,7 +53,7 @@ gdb_test_no_output "set record function-call-history-size 0"
|
|||
|
||||
# trace the call to foo
|
||||
gdb_test_no_output "record btrace"
|
||||
gdb_test "next"
|
||||
gdb_test "next 2"
|
||||
|
||||
# show the flat branch trace
|
||||
gdb_test "record function-call-history 1" [join [list \
|
||||
|
|
@ -64,29 +72,29 @@ gdb_test "record function-call-history /c 1" [join [list \
|
|||
] "\r\n"] "indented"
|
||||
|
||||
# go into bar
|
||||
gdb_test "record goto 4" ".*bar \\(\\) at .*x86-tailcall.c:24\r\n.*"
|
||||
gdb_test "record goto 4" ".*bar \\(\\) at .*tailcall.c:24\r\n.*"
|
||||
|
||||
# check the backtrace
|
||||
gdb_test "backtrace" [join [list \
|
||||
"#0.*bar \\(\\) at x86-tailcall.c:24" \
|
||||
"#1.*foo \\(\\) at x86-tailcall.c:29" \
|
||||
"#2.*main \\(\\) at x86-tailcall.c:37" \
|
||||
"#0.*bar \\(\\) at tailcall.c:24" \
|
||||
"#1.*foo \\(\\) at tailcall.c:29" \
|
||||
"#2.*main \\(\\) at tailcall.c:37" \
|
||||
"Backtrace stopped: not enough registers or memory available to unwind further" \
|
||||
] "\r\n"]
|
||||
|
||||
# walk the backtrace
|
||||
gdb_test "up" "#1\[^\r\n\]*foo \\(\\) at x86-tailcall.c:29\r\n.*" "up to foo"
|
||||
gdb_test "up" "#2\[^\r\n\]*main \\(\\) at x86-tailcall.c:37\r\n.*" "up to main"
|
||||
gdb_test "down" "#1\[^\r\n\]*foo \\(\\) at x86-tailcall.c:29\r\n.*" "down to foo"
|
||||
gdb_test "up" "#1\[^\r\n\]*foo \\(\\) at tailcall.c:29\r\n.*" "up to foo"
|
||||
gdb_test "up" "#2\[^\r\n\]*main \\(\\) at tailcall.c:37\r\n.*" "up to main"
|
||||
gdb_test "down" "#1\[^\r\n\]*foo \\(\\) at tailcall.c:29\r\n.*" "down to foo"
|
||||
|
||||
# test stepping into and out of tailcalls.
|
||||
gdb_test "finish" "\[^\r\n\]*main \\(\\) at x86-tailcall.c:37\r\n.*"
|
||||
gdb_test "reverse-step" "\[^\r\n\]*bar \\(\\) at x86-tailcall.c:24\r\n.*"
|
||||
gdb_test "reverse-finish" "\[^\r\n\]*foo \\(\\) at x86-tailcall.c:29\r\n.*"
|
||||
gdb_test "reverse-step" "\[^\r\n\]*main \\(\\) at x86-tailcall.c:37\r\n.*"
|
||||
gdb_test "next" "\[^\r\n\]*main \\(\\) at x86-tailcall.c:39\r\n.*"
|
||||
gdb_test "reverse-next" "\[^\r\n\]*main \\(\\) at x86-tailcall.c:37\r\n.*"
|
||||
gdb_test "step" "\[^\r\n\]*foo \\(\\) at x86-tailcall.c:29\r\n.*"
|
||||
gdb_test "finish" "\[^\r\n\]*main \\(\\) at x86-tailcall.c:37\r\n.*"
|
||||
gdb_test "reverse-step" "\[^\r\n\]*bar \\(\\) at x86-tailcall.c:24\r\n.*"
|
||||
gdb_test "finish" "\[^\r\n\]*main \\(\\) at x86-tailcall.c:37\r\n.*"
|
||||
gdb_test "finish" "\[^\r\n\]*main \\(\\) at tailcall.c:38\r\n.*"
|
||||
gdb_test "reverse-step" "\[^\r\n\]*bar \\(\\) at tailcall.c:24\r\n.*"
|
||||
gdb_test "reverse-finish" "\[^\r\n\]*foo \\(\\) at tailcall.c:29\r\n.*"
|
||||
gdb_test "reverse-step" "\[^\r\n\]*main \\(\\) at tailcall.c:37\r\n.*"
|
||||
gdb_test "next" "\[^\r\n\]*38.*"
|
||||
gdb_test "reverse-next" "\[^\r\n\]*main \\(\\) at tailcall.c:37\r\n.*"
|
||||
gdb_test "step" "\[^\r\n\]*foo \\(\\) at tailcall.c:29\r\n.*"
|
||||
gdb_test "finish" "\[^\r\n\]*main \\(\\) at tailcall.c:38\r\n.*"
|
||||
gdb_test "reverse-step" "\[^\r\n\]*bar \\(\\) at tailcall.c:24\r\n.*"
|
||||
gdb_test "finish" "\[^\r\n\]*main \\(\\) at tailcall.c:38\r\n.*"
|
||||
|
|
|
|||
|
|
@ -19,7 +19,7 @@
|
|||
|
||||
|
||||
This file has been generated using:
|
||||
gcc -S -dA -g record_goto.c -o x86-record_goto.S */
|
||||
gcc -S -dA -g record_goto.c -o x86_64-record_goto.S */
|
||||
|
||||
.file "record_goto.c"
|
||||
.section .debug_abbrev,"",@progbits
|
||||
|
|
@ -19,29 +19,25 @@
|
|||
|
||||
|
||||
This file has been generated using:
|
||||
gcc -S -O2 -dA -g x86-tailcall.c -o x86-tailcall.S */
|
||||
gcc -S -O2 -dA -g tailcall.c -o x86_64-tailcall.S */
|
||||
|
||||
.file "x86-tailcall.c"
|
||||
.section .debug_abbrev,"",@progbits
|
||||
.Ldebug_abbrev0:
|
||||
.section .debug_info,"",@progbits
|
||||
.Ldebug_info0:
|
||||
.section .debug_line,"",@progbits
|
||||
.Ldebug_line0:
|
||||
.file "tailcall.c"
|
||||
.text
|
||||
.Ltext0:
|
||||
.p2align 4,,15
|
||||
.type bar, @function
|
||||
bar:
|
||||
.LFB0:
|
||||
.file 1 "x86-tailcall.c"
|
||||
# x86-tailcall.c:22
|
||||
.file 1 "tailcall.c"
|
||||
# tailcall.c:22
|
||||
.loc 1 22 0
|
||||
.cfi_startproc
|
||||
# basic block 2
|
||||
# x86-tailcall.c:24
|
||||
# BLOCK 2 freq:10000 seq:0
|
||||
# PRED: ENTRY [100.0%] (FALLTHRU)
|
||||
# tailcall.c:24
|
||||
.loc 1 24 0
|
||||
movl $42, %eax
|
||||
# SUCC: EXIT [100.0%]
|
||||
ret
|
||||
.cfi_endproc
|
||||
.LFE0:
|
||||
|
|
@ -50,110 +46,118 @@ bar:
|
|||
.type foo, @function
|
||||
foo:
|
||||
.LFB1:
|
||||
# x86-tailcall.c:28
|
||||
# tailcall.c:28
|
||||
.loc 1 28 0
|
||||
.cfi_startproc
|
||||
# basic block 2
|
||||
# x86-tailcall.c:29
|
||||
# BLOCK 2 freq:10000 seq:0
|
||||
# PRED: ENTRY [100.0%] (FALLTHRU)
|
||||
# tailcall.c:29
|
||||
.loc 1 29 0
|
||||
jmp bar
|
||||
# SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL)
|
||||
.LVL0:
|
||||
.cfi_endproc
|
||||
.LFE1:
|
||||
.size foo, .-foo
|
||||
.section .text.startup,"ax",@progbits
|
||||
.p2align 4,,15
|
||||
.globl main
|
||||
.globl main
|
||||
.type main, @function
|
||||
main:
|
||||
.LFB2:
|
||||
# x86-tailcall.c:34
|
||||
# tailcall.c:34
|
||||
.loc 1 34 0
|
||||
.cfi_startproc
|
||||
# basic block 2
|
||||
# x86-tailcall.c:37
|
||||
# BLOCK 2 freq:10000 seq:0
|
||||
# PRED: ENTRY [100.0%] (FALLTHRU)
|
||||
# tailcall.c:37
|
||||
.loc 1 37 0
|
||||
call foo
|
||||
.LVL0:
|
||||
addl $1, %eax
|
||||
.LVL1:
|
||||
# x86-tailcall.c:39
|
||||
.loc 1 39 0
|
||||
# tailcall.c:38
|
||||
.loc 1 38 0
|
||||
addl $1, %eax
|
||||
.LVL2:
|
||||
# SUCC: EXIT [100.0%]
|
||||
# tailcall.c:41
|
||||
.loc 1 41 0
|
||||
ret
|
||||
.cfi_endproc
|
||||
.LFE2:
|
||||
.size main, .-main
|
||||
.text
|
||||
.Letext0:
|
||||
.section .debug_loc,"",@progbits
|
||||
.Ldebug_loc0:
|
||||
.LLST0:
|
||||
.quad .LVL0-.Ltext0 # Location list begin address (*.LLST0)
|
||||
.quad .LVL1-.Ltext0 # Location list end address (*.LLST0)
|
||||
.value 0x3 # Location expression size
|
||||
.byte 0x70 # DW_OP_breg0
|
||||
.sleb128 1
|
||||
.byte 0x9f # DW_OP_stack_value
|
||||
.quad .LVL1-.Ltext0 # Location list begin address (*.LLST0)
|
||||
.quad .LFE2-.Ltext0 # Location list end address (*.LLST0)
|
||||
.value 0x1 # Location expression size
|
||||
.byte 0x50 # DW_OP_reg0
|
||||
.quad 0x0 # Location list terminator begin (*.LLST0)
|
||||
.quad 0x0 # Location list terminator end (*.LLST0)
|
||||
.section .debug_info
|
||||
.long 0x9c # Length of Compilation Unit Info
|
||||
.value 0x3 # DWARF version number
|
||||
.section .debug_info,"",@progbits
|
||||
.Ldebug_info0:
|
||||
.long 0xb3 # Length of Compilation Unit Info
|
||||
.value 0x4 # DWARF version number
|
||||
.long .Ldebug_abbrev0 # Offset Into Abbrev. Section
|
||||
.byte 0x8 # Pointer Size (in bytes)
|
||||
.uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit)
|
||||
.long .LASF0 # DW_AT_producer: "GNU C 4.4.4 20100726 (Red Hat 4.4.4-13)"
|
||||
.long .LASF0 # DW_AT_producer: "GNU C 4.8.3 20140911 (Red Hat 4.8.3-7) -mtune=generic -march=x86-64 -g -O2"
|
||||
.byte 0x1 # DW_AT_language
|
||||
.long .LASF1 # DW_AT_name: "x86-tailcall.c"
|
||||
.long .LASF1 # DW_AT_name: "tailcall.c"
|
||||
.long .LASF2 # DW_AT_comp_dir: ""
|
||||
.quad .Ltext0 # DW_AT_low_pc
|
||||
.quad .Letext0 # DW_AT_high_pc
|
||||
.long .Ldebug_ranges0+0 # DW_AT_ranges
|
||||
.quad 0 # DW_AT_low_pc
|
||||
.long .Ldebug_line0 # DW_AT_stmt_list
|
||||
.uleb128 0x2 # (DIE (0x2d) DW_TAG_subprogram)
|
||||
.uleb128 0x2 # (DIE (0x29) DW_TAG_subprogram)
|
||||
.ascii "bar\0" # DW_AT_name
|
||||
.byte 0x1 # DW_AT_decl_file (x86-tailcall.c)
|
||||
.byte 0x1 # DW_AT_decl_file (tailcall.c)
|
||||
.byte 0x15 # DW_AT_decl_line
|
||||
.byte 0x1 # DW_AT_prototyped
|
||||
.long 0x4b # DW_AT_type
|
||||
# DW_AT_prototyped
|
||||
.long 0x46 # DW_AT_type
|
||||
.quad .LFB0 # DW_AT_low_pc
|
||||
.quad .LFE0 # DW_AT_high_pc
|
||||
.byte 0x1 # DW_AT_frame_base
|
||||
.quad .LFE0-.LFB0 # DW_AT_high_pc
|
||||
.uleb128 0x1 # DW_AT_frame_base
|
||||
.byte 0x9c # DW_OP_call_frame_cfa
|
||||
.uleb128 0x3 # (DIE (0x4b) DW_TAG_base_type)
|
||||
# DW_AT_GNU_all_call_sites
|
||||
.uleb128 0x3 # (DIE (0x46) DW_TAG_base_type)
|
||||
.byte 0x4 # DW_AT_byte_size
|
||||
.byte 0x5 # DW_AT_encoding
|
||||
.ascii "int\0" # DW_AT_name
|
||||
.uleb128 0x2 # (DIE (0x52) DW_TAG_subprogram)
|
||||
.uleb128 0x4 # (DIE (0x4d) DW_TAG_subprogram)
|
||||
.ascii "foo\0" # DW_AT_name
|
||||
.byte 0x1 # DW_AT_decl_file (x86-tailcall.c)
|
||||
.byte 0x1 # DW_AT_decl_file (tailcall.c)
|
||||
.byte 0x1b # DW_AT_decl_line
|
||||
.byte 0x1 # DW_AT_prototyped
|
||||
.long 0x4b # DW_AT_type
|
||||
# DW_AT_prototyped
|
||||
.long 0x46 # DW_AT_type
|
||||
.quad .LFB1 # DW_AT_low_pc
|
||||
.quad .LFE1 # DW_AT_high_pc
|
||||
.byte 0x1 # DW_AT_frame_base
|
||||
.quad .LFE1-.LFB1 # DW_AT_high_pc
|
||||
.uleb128 0x1 # DW_AT_frame_base
|
||||
.byte 0x9c # DW_OP_call_frame_cfa
|
||||
.uleb128 0x4 # (DIE (0x70) DW_TAG_subprogram)
|
||||
.byte 0x1 # DW_AT_external
|
||||
# DW_AT_GNU_all_call_sites
|
||||
.long 0x7c # DW_AT_sibling
|
||||
.uleb128 0x5 # (DIE (0x6e) DW_TAG_GNU_call_site)
|
||||
.quad .LVL0 # DW_AT_low_pc
|
||||
# DW_AT_GNU_tail_call
|
||||
.long 0x29 # DW_AT_abstract_origin
|
||||
.byte 0 # end of children of DIE 0x4d
|
||||
.uleb128 0x6 # (DIE (0x7c) DW_TAG_subprogram)
|
||||
# DW_AT_external
|
||||
.long .LASF3 # DW_AT_name: "main"
|
||||
.byte 0x1 # DW_AT_decl_file (x86-tailcall.c)
|
||||
.byte 0x1 # DW_AT_decl_file (tailcall.c)
|
||||
.byte 0x21 # DW_AT_decl_line
|
||||
.byte 0x1 # DW_AT_prototyped
|
||||
.long 0x4b # DW_AT_type
|
||||
# DW_AT_prototyped
|
||||
.long 0x46 # DW_AT_type
|
||||
.quad .LFB2 # DW_AT_low_pc
|
||||
.quad .LFE2 # DW_AT_high_pc
|
||||
.byte 0x1 # DW_AT_frame_base
|
||||
.quad .LFE2-.LFB2 # DW_AT_high_pc
|
||||
.uleb128 0x1 # DW_AT_frame_base
|
||||
.byte 0x9c # DW_OP_call_frame_cfa
|
||||
.uleb128 0x5 # (DIE (0x8f) DW_TAG_variable)
|
||||
# DW_AT_GNU_all_call_sites
|
||||
.uleb128 0x7 # (DIE (0x99) DW_TAG_variable)
|
||||
.long .LASF4 # DW_AT_name: "answer"
|
||||
.byte 0x1 # DW_AT_decl_file (x86-tailcall.c)
|
||||
.byte 0x1 # DW_AT_decl_file (tailcall.c)
|
||||
.byte 0x23 # DW_AT_decl_line
|
||||
.long 0x4b # DW_AT_type
|
||||
.long 0x46 # DW_AT_type
|
||||
.long .LLST0 # DW_AT_location
|
||||
.byte 0x0 # end of children of DIE 0x70
|
||||
.byte 0x0 # end of children of DIE 0xb
|
||||
.section .debug_abbrev
|
||||
.uleb128 0x8 # (DIE (0xa8) DW_TAG_GNU_call_site)
|
||||
.quad .LVL1 # DW_AT_low_pc
|
||||
.long 0x4d # DW_AT_abstract_origin
|
||||
.byte 0 # end of children of DIE 0x7c
|
||||
.byte 0 # end of children of DIE 0xb
|
||||
.section .debug_abbrev,"",@progbits
|
||||
.Ldebug_abbrev0:
|
||||
.uleb128 0x1 # (abbrev code)
|
||||
.uleb128 0x11 # (TAG: DW_TAG_compile_unit)
|
||||
.byte 0x1 # DW_children_yes
|
||||
|
|
@ -165,17 +169,17 @@ main:
|
|||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x1b # (DW_AT_comp_dir)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x55 # (DW_AT_ranges)
|
||||
.uleb128 0x17 # (DW_FORM_sec_offset)
|
||||
.uleb128 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x12 # (DW_AT_high_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x10 # (DW_AT_stmt_list)
|
||||
.uleb128 0x6 # (DW_FORM_data4)
|
||||
.byte 0x0
|
||||
.byte 0x0
|
||||
.uleb128 0x17 # (DW_FORM_sec_offset)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x2 # (abbrev code)
|
||||
.uleb128 0x2e # (TAG: DW_TAG_subprogram)
|
||||
.byte 0x0 # DW_children_no
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x3 # (DW_AT_name)
|
||||
.uleb128 0x8 # (DW_FORM_string)
|
||||
.uleb128 0x3a # (DW_AT_decl_file)
|
||||
|
|
@ -183,33 +187,71 @@ main:
|
|||
.uleb128 0x3b # (DW_AT_decl_line)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x27 # (DW_AT_prototyped)
|
||||
.uleb128 0xc # (DW_FORM_flag)
|
||||
.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 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x7 # (DW_FORM_data8)
|
||||
.uleb128 0x40 # (DW_AT_frame_base)
|
||||
.uleb128 0xa # (DW_FORM_block1)
|
||||
.byte 0x0
|
||||
.byte 0x0
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x3 # (abbrev code)
|
||||
.uleb128 0x24 # (TAG: DW_TAG_base_type)
|
||||
.byte 0x0 # DW_children_no
|
||||
.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 0x0
|
||||
.byte 0x0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x4 # (abbrev code)
|
||||
.uleb128 0x2e # (TAG: DW_TAG_subprogram)
|
||||
.byte 0x1 # DW_children_yes
|
||||
.uleb128 0x3 # (DW_AT_name)
|
||||
.uleb128 0x8 # (DW_FORM_string)
|
||||
.uleb128 0x3a # (DW_AT_decl_file)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x3b # (DW_AT_decl_line)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x27 # (DW_AT_prototyped)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.uleb128 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x12 # (DW_AT_high_pc)
|
||||
.uleb128 0x7 # (DW_FORM_data8)
|
||||
.uleb128 0x40 # (DW_AT_frame_base)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x1 # (DW_AT_sibling)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x5 # (abbrev code)
|
||||
.uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x2115 # (DW_AT_GNU_tail_call)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x31 # (DW_AT_abstract_origin)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x6 # (abbrev code)
|
||||
.uleb128 0x2e # (TAG: DW_TAG_subprogram)
|
||||
.byte 0x1 # DW_children_yes
|
||||
.uleb128 0x3f # (DW_AT_external)
|
||||
.uleb128 0xc # (DW_FORM_flag)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.uleb128 0x3 # (DW_AT_name)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x3a # (DW_AT_decl_file)
|
||||
|
|
@ -217,20 +259,22 @@ main:
|
|||
.uleb128 0x3b # (DW_AT_decl_line)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x27 # (DW_AT_prototyped)
|
||||
.uleb128 0xc # (DW_FORM_flag)
|
||||
.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 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x7 # (DW_FORM_data8)
|
||||
.uleb128 0x40 # (DW_AT_frame_base)
|
||||
.uleb128 0xa # (DW_FORM_block1)
|
||||
.byte 0x0
|
||||
.byte 0x0
|
||||
.uleb128 0x5 # (abbrev code)
|
||||
.uleb128 0x18 # (DW_FORM_exprloc)
|
||||
.uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
|
||||
.uleb128 0x19 # (DW_FORM_flag_present)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x7 # (abbrev code)
|
||||
.uleb128 0x34 # (TAG: DW_TAG_variable)
|
||||
.byte 0x0 # DW_children_no
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x3 # (DW_AT_name)
|
||||
.uleb128 0xe # (DW_FORM_strp)
|
||||
.uleb128 0x3a # (DW_AT_decl_file)
|
||||
|
|
@ -240,40 +284,68 @@ main:
|
|||
.uleb128 0x49 # (DW_AT_type)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.uleb128 0x2 # (DW_AT_location)
|
||||
.uleb128 0x6 # (DW_FORM_data4)
|
||||
.byte 0x0
|
||||
.byte 0x0
|
||||
.byte 0x0
|
||||
.section .debug_pubnames,"",@progbits
|
||||
.long 0x17 # Length of Public Names Info
|
||||
.value 0x2 # DWARF Version
|
||||
.long .Ldebug_info0 # Offset of Compilation Unit Info
|
||||
.long 0xa0 # Compilation Unit Length
|
||||
.long 0x70 # DIE offset
|
||||
.ascii "main\0" # external name
|
||||
.long 0x0
|
||||
.uleb128 0x17 # (DW_FORM_sec_offset)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x8 # (abbrev code)
|
||||
.uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
|
||||
.byte 0 # DW_children_no
|
||||
.uleb128 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x31 # (DW_AT_abstract_origin)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.section .debug_loc,"",@progbits
|
||||
.Ldebug_loc0:
|
||||
.LLST0:
|
||||
.quad .LVL1 # Location list begin address (*.LLST0)
|
||||
.quad .LVL2 # Location list end address (*.LLST0)
|
||||
.value 0x3 # Location expression size
|
||||
.byte 0x70 # DW_OP_breg0
|
||||
.sleb128 1
|
||||
.byte 0x9f # DW_OP_stack_value
|
||||
.quad .LVL2 # Location list begin address (*.LLST0)
|
||||
.quad .LFE2 # Location list end address (*.LLST0)
|
||||
.value 0x1 # Location expression size
|
||||
.byte 0x50 # DW_OP_reg0
|
||||
.quad 0 # Location list terminator begin (*.LLST0)
|
||||
.quad 0 # Location list terminator end (*.LLST0)
|
||||
.section .debug_aranges,"",@progbits
|
||||
.long 0x2c # Length of Address Ranges Info
|
||||
.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 0x0 # Size of Segment Descriptor
|
||||
.value 0x0 # Pad to 16 byte boundary
|
||||
.value 0x0
|
||||
.byte 0 # Size of Segment Descriptor
|
||||
.value 0 # Pad to 16 byte boundary
|
||||
.value 0
|
||||
.quad .Ltext0 # Address
|
||||
.quad .Letext0-.Ltext0 # Length
|
||||
.quad 0x0
|
||||
.quad 0x0
|
||||
.quad .LFB2 # Address
|
||||
.quad .LFE2-.LFB2 # Length
|
||||
.quad 0
|
||||
.quad 0
|
||||
.section .debug_ranges,"",@progbits
|
||||
.Ldebug_ranges0:
|
||||
.quad .Ltext0 # Offset 0
|
||||
.quad .Letext0
|
||||
.quad .LFB2 # Offset 0x10
|
||||
.quad .LFE2
|
||||
.quad 0
|
||||
.quad 0
|
||||
.section .debug_line,"",@progbits
|
||||
.Ldebug_line0:
|
||||
.section .debug_str,"MS",@progbits,1
|
||||
.LASF0:
|
||||
.string "GNU C 4.4.4 20100726 (Red Hat 4.4.4-13)"
|
||||
.LASF3:
|
||||
.string "main"
|
||||
.LASF1:
|
||||
.string "tailcall.c"
|
||||
.LASF0:
|
||||
.string "GNU C 4.8.3 20140911 (Red Hat 4.8.3-7) -mtune=generic -march=x86-64 -g -O2"
|
||||
.LASF4:
|
||||
.string "answer"
|
||||
.LASF2:
|
||||
.string ""
|
||||
.LASF1:
|
||||
.string "x86-tailcall.c"
|
||||
.ident "GCC: (GNU) 4.4.4 20100726 (Red Hat 4.4.4-13)"
|
||||
.ident "GCC: (GNU) 4.8.3 20140911 (Red Hat 4.8.3-7)"
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
Loading…
Reference in New Issue