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gdb/testsuite/gdb.base/break.exp: split test_break_optimized_prologue

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Change-Id: Ibf17033c8ce72aa5cfe1b739be2902e84a5e945d
Approved-By: Kevin Buettner <kevinb@redhat.com>
This commit is contained in:
Simon Marchi 2022-11-23 13:39:49 -05:00 committed by Simon Marchi
parent 45c4b4bc12
commit 01e43c20bb
1 changed files with 49 additions and 52 deletions
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101
gdb/testsuite/gdb.base/break.exp
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@ -773,67 +773,64 @@ test_next_with_recursion
# build a new file with optimization enabled so that we can try breakpoints
# on targets with optimized prologues
if { [prepare_for_testing "failed to prepare" "breako2" {break.c break1.c} {debug nowarnings optimize=-O2}] } {
if { [build_executable "failed to prepare" "breako2" {break.c break1.c} {debug nowarnings optimize=-O2}] } {
return -1
}
#
# test break at function
#
gdb_test "break -q main" \
"Breakpoint.*at.* file .*, line.*" \
"breakpoint function, optimized file"
proc_with_prefix test_break_optimized_prologue {} {
clean_restart breako2
#
# test break at function
#
gdb_test "break marker4" \
"Breakpoint.*at.* file .*$srcfile1, line.*" \
"breakpoint small function, optimized file"
# test break at function
gdb_test "break -q main" \
"Breakpoint.*at.* file .*, line.*" \
"breakpoint function, optimized file"
#
# run until the breakpoint at main is hit. For non-stubs-using targets.
#
gdb_run_cmd
# test break at function
gdb_test "break marker4" \
"Breakpoint.*at.* file .*$::srcfile1, line.*" \
"breakpoint small function, optimized file"
set test "run until function breakpoint, optimized file"
gdb_test_multiple "" $test {
-re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
pass $test
}
-re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
pass "$test (code motion)"
# run until the breakpoint at main is hit. For non-stubs-using targets.
gdb_run_cmd
set test "run until function breakpoint, optimized file"
gdb_test_multiple "" $test {
-re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$::srcfile:$::bp_location6.*$::bp_location6\[\t \]+if .argc.* \{.*$::gdb_prompt $" {
pass $test
}
-re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$::gdb_prompt $" {
pass "$test (code motion)"
}
}
# run until the breakpoint at a small function
#
# Add a second pass pattern. The behavior differs here between stabs
# and dwarf for one-line functions. Stabs preserves two line symbols
# (one before the prologue and one after) with the same line number,
# but dwarf regards these as duplicates and discards one of them.
# Therefore the address after the prologue (where the breakpoint is)
# has no exactly matching line symbol, and GDB reports the breakpoint
# as if it were in the middle of a line rather than at the beginning.
set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $::srcfile1]
gdb_test_multiple "continue" \
"run until breakpoint set at small function, optimized file" {
-re "Breakpoint $::decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$::srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
pass "run until breakpoint set at small function, optimized file (line bp_location14)"
}
-re "Breakpoint $::decimal, factorial \\(.*\\) .*\{\r\n$::gdb_prompt" {
# GCC 4.3 emits bad line number information - see gcc/36748.
if { [test_compiler_info "gcc-4-3-*"] } {
setup_xfail *-*-*
}
fail "run until breakpoint set at small function, optimized file"
}
}
}
#
# run until the breakpoint at a small function
#
#
# Add a second pass pattern. The behavior differs here between stabs
# and dwarf for one-line functions. Stabs preserves two line symbols
# (one before the prologue and one after) with the same line number,
# but dwarf regards these as duplicates and discards one of them.
# Therefore the address after the prologue (where the breakpoint is)
# has no exactly matching line symbol, and GDB reports the breakpoint
# as if it were in the middle of a line rather than at the beginning.
set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
gdb_test_multiple "continue" \
"run until breakpoint set at small function, optimized file" {
-re "Breakpoint $decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
pass "run until breakpoint set at small function, optimized file (line bp_location14)"
}
-re "Breakpoint $decimal, factorial \\(.*\\) .*\{\r\n$gdb_prompt" {
# GCC 4.3 emits bad line number information - see gcc/36748.
if { [test_compiler_info "gcc-4-3-*"] } {
setup_xfail *-*-*
}
fail "run until breakpoint set at small function, optimized file"
}
}
test_break_optimized_prologue
# test that 'rbreak' on a symbol that may be from a shared library doesn't
# cause a "Junk at end of arguments." error.