| # Copyright 2008, 2010 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_no_output "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" |