diff options
Diffstat (limited to 'gdb/testsuite/gdb.opt/inline-cmds.exp')
| -rw-r--r-- | gdb/testsuite/gdb.opt/inline-cmds.exp | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.opt/inline-cmds.exp b/gdb/testsuite/gdb.opt/inline-cmds.exp new file mode 100644 index 00000000000..43c87e57904 --- /dev/null +++ b/gdb/testsuite/gdb.opt/inline-cmds.exp @@ -0,0 +1,308 @@ +# Copyright 2008 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/>. + +set testfile "inline-cmds" +set srcfile "${testfile}.c" +set srcfile2 "inline-markers.c" +set fullsrcfile "${srcdir}/${subdir}/${srcfile}" +set fullsrcfile2 "${srcdir}/${subdir}/${srcfile2}" +set sources [list ${fullsrcfile} ${fullsrcfile2}] +set binfile ${objdir}/${subdir}/${testfile} + +if { [gdb_compile $sources ${binfile} \ + executable {debug optimize=-O2}] != "" } { + untested inline-cmds.exp + return -1 +} + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +gdb_test "set listsize 1" "" + +runto_main + +get_compiler_info $binfile +get_debug_format +if { [skip_inline_frame_tests] } { + untested inline-cmds.exp + return +} + +# First, check that the things we expected to be inlined really were, +# and those that shouldn't be weren't. +set line1 [gdb_get_line_number "set breakpoint 1 here" ${srcfile2}] +gdb_breakpoint $srcfile2:$line1 +set line2 [gdb_get_line_number "set breakpoint 2 here" ${srcfile2}] +gdb_breakpoint $srcfile2:$line2 + +gdb_test "continue" ".*set breakpoint 1 here.*" "continue to bar (1)" +gdb_test "backtrace" "#0 bar.*#1 .*func1.*#2 .*main.*" \ + "backtrace from bar (1)" +gdb_test "up" "#1 .*func1.*" "up from bar (1)" +gdb_test "info frame" ".*inlined into frame.*" "func1 inlined (1)" + +gdb_test "continue" ".*set breakpoint 1 here.*" "continue to bar (2)" +gdb_test "backtrace" "#0 bar.*#1 .*func1.*#2 .*func2.*#3 .*main.*" \ + "backtrace from bar (2)" +gdb_test "up" "#1 .*func1.*" "up from bar (2)" +gdb_test "info frame" ".*inlined into frame.*" "func1 inlined (2)" +gdb_test "up" "#2 .*func2.*" "up from func1 (2)" +gdb_test "info frame" ".*inlined into frame.*" "func2 inlined (2)" + +gdb_test "continue" ".*set breakpoint 2 here.*" "continue to marker" +gdb_test "backtrace" "#0 marker.*#1 .*main.*" "backtrace from marker" +gdb_test "info frame" ".*called by frame.*" "marker not inlined" + +# Next, check that we can next over inlined functions. We should not end up +# inside any of them. +delete_breakpoints +runto_main + +# The lines before the first inlined call. +set first "x = 7|y = 8" + +# Some extra lines that end up in our stepping due to code motion. +set opt "start of main|result = 0" + +# We start this test with a "list" instead of a "next", in case the +# first non-prologue instruction in main comes from the inlined function. +set msg "next over inlined functions" +gdb_test_multiple "list" $msg { + -re "($first|result = func1|result = func2|$opt).*$gdb_prompt $" { + send_gdb "next\r" + exp_continue + } + -re "marker \\\(\\\);\r\n$gdb_prompt $" { + pass $msg + } +} + +# Check that when next shows the call of func1, it has not happened yet. +runto_main + +# Like the return value of gdb_test: -1 something is wrong, 0 passed, 1 failed. +set bt_test -1 +set x_test -1 +set func1_step -1 + +set last_was_func1_call 0 +set msg "next past inlined func1" +gdb_test_multiple "list" $msg { + -re "($first|$opt).*$gdb_prompt $" { + set last_was_func1_call 0 + send_gdb "next\r" + exp_continue + } + -re "result = func1 \\\(\\\);\r\n$gdb_prompt $" { + # Check whether x has been set. If 0, we may be doing something + # else associated with this line besides the inlined call - e.g. + # loading the address of result. If 7, we may be at the call site. + # If 15, though, we might be past the call and back at the store to + # result - that's OK, as long as we weren't just here (see + # func1_step above). + set x_val -1 + gdb_test_multiple "print x" "" { + -re "\\\$$decimal = (\[0-9\]*)\r\n$gdb_prompt $" { + set x_val $expect_out(1,string) + } + -re "$gdb_prompt $" { } + } + if { $x_val == 0 || $x_val == 7 } { + if { $x_test != 1 } { + set x_test 0 + } + } elseif { $x_val == 15 } { + if { $func1_step == -1 } { + # We passed func1 without stopping at the call site. + set x_test 1 + } + } else { + set x_test 1 + } + + # func1 should not show up on backtraces if we are at its call + # site. + if { $bt_test != 1 } { + set bt_test [gdb_test "backtrace" "#0 \[^#]*main.*" ""] + } + + # When we next over func1, we should not return to the same + # line. But we might go past the line, according to source + # code order, and then come back. A valid but odd layout is + # body of func1, load result's address into a register using + # the source location of "result = 0" several lines down, and + # then return to this line for the store. GCC 4.3 does that + # on ARM. + if { $last_was_func1_call } { + set func1_step 1 + } elseif { $func1_step == -1 } { + set func1_step 0 + } + set last_was_func1_call 1 + + send_gdb "next\r" + exp_continue + } + + -re "result = func2 \\\(\\\);\r\n$gdb_prompt $" { + pass $msg + } +} + +if { $x_test == 0 } { + pass "print x before func1" +} else { + fail "print x before func1" +} + +if { $bt_test == 0 } { + pass "backtrace does not include func1" +} else { + fail "backtrace does not include func1" +} + +if { $bt_test == 0 } { + pass "stepped over call to func1" +} else { + fail "stepped over call to func1" +} + +# Next, check that we can single step into inlined functions. We should always +# "stop" at the call sites before entering them. +runto_main + +set msg "step into func1" +set saw_call_site 0 +gdb_test_multiple "list" $msg { + -re "($first|$opt).*$gdb_prompt $" { + send_gdb "step\r" + exp_continue + } + -re "result = func1.*$gdb_prompt $" { + set saw_call_site 1 + send_gdb "step\r" + exp_continue + } + -re "func1 \\\(\\\) at .*\r\n$decimal.*bar \\\(\\\);\r\n$gdb_prompt $" { + if { $saw_call_site } { + pass $msg + } else { + fail $msg + } + } +} + +# Check finish out of an inlined function. +set msg "finish from func1" +gdb_test_multiple "finish" $msg { + -re "result = func1 \\\(\\\);\r\n$gdb_prompt $" { + pass $msg + } + -re "($first|$opt).*$gdb_prompt $" { + # Whoops. We finished, but ended up back at an earlier line. Keep + # trying. + send_gdb "step\r" + exp_continue + } + -re "func1 \\\(\\\) at .*\r\n$decimal.*bar \\\(\\\);\r\n$gdb_prompt $" { + send_gdb "finish\r" + exp_continue + } +} + +# Test some corner cases involving consecutive inlined functions. +set line3 [gdb_get_line_number "set breakpoint 3 here"] +gdb_breakpoint $line3 +gdb_continue_to_breakpoint "consecutive func1" + +gdb_test "next" ".*func1 .*first call.*" "next to first func1" +set msg "next to second func1" +gdb_test_multiple "next" $msg { + -re ".*func1 .*second call.*$gdb_prompt $" { + pass $msg + } + -re ".*marker .*$gdb_prompt $" { + # This assembles to two consecutive call instructions. + # Both appear to be at the same line, because they're + # in the body of the same inlined function. This is + # reasonable for the line table. GDB should take the + # containing block and/or function into account when + # deciding how far to step. The single line table entry + # is actually two consecutive instances of the same line. + kfail gdb/NNNN $msg + } +} + +# It is easier when the two inlined functions are not on the same line. +set line4 [gdb_get_line_number "set breakpoint 4 here"] +gdb_breakpoint $line4 +gdb_continue_to_breakpoint "func1 then func3" + +gdb_test "next" ".*func1 \\\(\\\);" "next to func1 before func3" +gdb_test "next" ".*func3 \\\(\\\);" "next to func3" + +# Test finishing out of one thing and into another. +set line5 [gdb_get_line_number "set breakpoint 5 here"] +gdb_breakpoint $line5 +gdb_continue_to_breakpoint "finish into func1" + +gdb_test "next" ".*marker \\\(\\\);" "next to finish marker" +gdb_test "step" ".*set breakpoint 2 here.*" "step into finish marker" +gdb_test "finish" "func1 \\\(\\\);" "finish from marker to func1" + +gdb_test "step" "bar \\\(\\\);" "step into func1 for finish" +gdb_test "finish" "func3 \\\(\\\);" "finish from func1 to func3" + +# Test a deeper call stack. +set line6 [gdb_get_line_number "set breakpoint 6 here"] +gdb_breakpoint $line6 +gdb_continue_to_breakpoint "before the outer_inline call" +gdb_test "step" "marker \\\(\\\) at .*" "reach 1 the outer_inline call" +gdb_test "finish" "main \\\(\\\) at .*outer_inline2 \\\(\\\);" "reach outer_inline2" +gdb_test "bt" "#0 main.*" "backtrace at main of outer_inline" +gdb_test "step" "outer_inline2 \\\(\\\) at .*" "enter outer_inline2" +gdb_test "bt" "#0 outer_inline2.*#1 main.*" "backtrace at outer_inline2" +gdb_test "step" "outer_inline1 \\\(\\\) at .*" "enter outer_inline1 from outer_inline2" + +set msg "backtrace at outer_inline1" +gdb_test_multiple "bt" $msg { + -re "#0 outer_inline1.*#1 outer_inline2.*#2 main.*$gdb_prompt $" { + pass $msg + } + -re "#0 $hex in outer_inline1.*#1 outer_inline2.*#2 main.*$gdb_prompt $" { + # Binutils PR gas/6717. Gas moves .loc past .p2align and the + # leading nop of the inlined call appears to be on the same line + # as main's call to marker. + xfail $msg + gdb_test "step" "noinline \\\(\\\);" "step to call of noinline" + } +} + +gdb_test "step" "noinline \\\(\\\) at .*" "enter noinline from outer_inline1" +gdb_test "bt" "#0 noinline.*#1 .*outer_inline1.*#2 .*outer_inline2.*#3 main.*" "backtrace at noinline from outer_inline1" +gdb_test "step" "inlined_fn \\\(\\\) at .*" "enter inlined_fn from noinline" +gdb_test "bt" "#0 inlined_fn.*#1 noinline.*#2 .*outer_inline1.*#3 .*outer_inline2.*#4 main.*" "backtrace at inlined_fn from noinline" +gdb_test "info frame" ".*inlined into frame.*" "inlined_fn from noinline inlined" +gdb_test "up" "#1 noinline.*" "up to noinline" +gdb_test "info frame" ".*\n called by frame.*" "noinline from outer_inline1 not inlined" +gdb_test "up" "#2 .*outer_inline1.*" "up to outer_inline1" +gdb_test "info frame" ".*inlined into frame.*" "outer_inline1 inlined" +gdb_test "up" "#3 .*outer_inline2.*" "up to outer_inline2" +gdb_test "info frame" ".*inlined into frame.*" "outer_inline2 inlined" +gdb_test "up" "#4 main.*" "up from outer_inline2" +gdb_test "info frame" ".*\n caller of frame.*" "main not inlined" |