return 0
}
-standard_testfile dw2-ranges-func.c dw2-ranges-func-dw.S
-
-# We need to know the size of integer and address types in order to
-# write some of the debugging info we'd like to generate.
-#
-# For that, we ask GDB by debugging our test program. Any program
-# would do, but since we already have it specifically for this
-# testcase, might as well use that.
+proc do_test {suffix} {
+ global gdb_test_file_name
+ global testfile binfile srcfile srcfile2 gdb_prompt hex
+
+ # Don't use standard_testfile; we want different binaries for
+ # each suffix.
+ set testfile $gdb_test_file_name-$suffix
+ set binfile [standard_output_file ${testfile}]
+ set srcfile $testfile.c
+ set srcfile2 $testfile-dw2.S
+
+ # We need to know the size of integer and address types in order to
+ # write some of the debugging info we'd like to generate.
+ #
+ # For that, we ask GDB by debugging our test program. Any program
+ # would do, but since we already have it specifically for this
+ # testcase, might as well use that.
-if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
- return -1
-}
+ if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
+ return -1
+ }
-set asm_file [standard_output_file $srcfile2]
-Dwarf::assemble $asm_file {
- global srcdir subdir srcfile srcfile2
- declare_labels integer_label volatile_label func_ranges_label cu_ranges_label L
- set int_size [get_sizeof "int" 4]
-
- # Find start address and length for our functions.
- lassign [function_range main [list ${srcdir}/${subdir}/$srcfile]] \
- main_start main_len
- set main_end "$main_start + $main_len"
- lassign [function_range foo [list ${srcdir}/${subdir}/$srcfile]] \
- foo_start foo_len
- set foo_end "$foo_start + $foo_len"
- lassign [function_range foo_low [list ${srcdir}/${subdir}/$srcfile]] \
- foo_low_start foo_low_len
- set foo_low_end "$foo_low_start + $foo_low_len"
- lassign [function_range bar [list ${srcdir}/${subdir}/$srcfile]] \
- bar_start bar_len
- set bar_end "$bar_start + $bar_len"
- lassign [function_range baz [list ${srcdir}/${subdir}/$srcfile]] \
- baz_start baz_len
- set baz_end "$baz_start + $baz_len"
-
- set e_var [gdb_target_symbol e]
-
- cu {} {
- compile_unit {
- {language @DW_LANG_C}
- {name dw-ranges-func.c}
- {stmt_list $L DW_FORM_sec_offset}
- {low_pc 0 addr}
- {ranges ${cu_ranges_label} DW_FORM_sec_offset}
- } {
- integer_label: DW_TAG_base_type {
- {DW_AT_byte_size $int_size DW_FORM_sdata}
- {DW_AT_encoding @DW_ATE_signed}
- {DW_AT_name integer}
- }
- volatile_label: DW_TAG_volatile_type {
- {type :$integer_label}
- }
- DW_TAG_variable {
- {name e}
- {external 1 flag}
- {type :$volatile_label}
- {location {addr $e_var} SPECIAL_expr}
+ set asm_file [standard_output_file $srcfile2]
+ Dwarf::assemble $asm_file {
+ global srcdir subdir srcfile srcfile2
+ declare_labels integer_label volatile_label func_ranges_label cu_ranges_label L
+ set int_size [get_sizeof "int" 4]
+
+ # Find start address and length for our functions.
+ lassign [function_range main [list ${srcdir}/${subdir}/$srcfile]] \
+ main_start main_len
+ set main_end "$main_start + $main_len"
+ lassign [function_range foo [list ${srcdir}/${subdir}/$srcfile]] \
+ foo_start foo_len
+ set foo_end "$foo_start + $foo_len"
+ lassign [function_range foo_cold [list ${srcdir}/${subdir}/$srcfile]] \
+ foo_cold_start foo_cold_len
+ set foo_cold_end "$foo_cold_start + $foo_cold_len"
+ lassign [function_range bar [list ${srcdir}/${subdir}/$srcfile]] \
+ bar_start bar_len
+ set bar_end "$bar_start + $bar_len"
+ lassign [function_range baz [list ${srcdir}/${subdir}/$srcfile]] \
+ baz_start baz_len
+ set baz_end "$baz_start + $baz_len"
+
+ set e_var [gdb_target_symbol e]
+
+ cu {} {
+ compile_unit {
+ {language @DW_LANG_C}
+ {name dw-ranges-func2.c}
+ {stmt_list $L DW_FORM_sec_offset}
+ {low_pc 0 addr}
+ {ranges ${cu_ranges_label} DW_FORM_sec_offset}
+ } {
+ integer_label: DW_TAG_base_type {
+ {DW_AT_byte_size $int_size DW_FORM_sdata}
+ {DW_AT_encoding @DW_ATE_signed}
+ {DW_AT_name integer}
+ }
+ volatile_label: DW_TAG_volatile_type {
+ {type :$integer_label}
+ }
+ DW_TAG_variable {
+ {name e}
+ {external 1 flag}
+ {type :$volatile_label}
+ {location {addr $e_var} SPECIAL_expr}
+ }
+ subprogram {
+ {external 1 flag}
+ {name main}
+ {DW_AT_type :$integer_label}
+ {low_pc $main_start addr}
+ {high_pc $main_len DW_FORM_data4}
+ }
+ subprogram {
+ {external 1 flag}
+ {name foo}
+ {ranges ${func_ranges_label} DW_FORM_sec_offset}
+ }
+ subprogram {
+ {external 1 flag}
+ {name bar}
+ {low_pc $bar_start addr}
+ {high_pc $bar_len DW_FORM_data4}
+ }
+ subprogram {
+ {external 1 flag}
+ {name baz}
+ {low_pc $baz_start addr}
+ {high_pc $baz_len DW_FORM_data4}
+ }
}
- subprogram {
- {external 1 flag}
- {name main}
- {DW_AT_type :$integer_label}
- {low_pc $main_start addr}
- {high_pc $main_len DW_FORM_data4}
- }
- subprogram {
- {external 1 flag}
- {name foo}
- {ranges ${func_ranges_label} DW_FORM_sec_offset}
+ }
+
+ lines {version 2} L {
+ include_dir "${srcdir}/${subdir}"
+ file_name "$srcfile" 1
+
+ # Generate a line table program. An attempt was made to make it
+ # reasonably accurate as it made debugging the test case easier.
+ program {
+ {DW_LNE_set_address $main_start}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "main prologue"] - 1]}
+ {DW_LNS_copy}
+ {DW_LNE_set_address main_label}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "main foo call"] - [gdb_get_line_number "main prologue"]]}
+ {DW_LNS_copy}
+ {DW_LNE_set_address main_label2}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "main return"] - [gdb_get_line_number "main foo call"]]}
+ {DW_LNS_copy}
+ {DW_LNE_set_address $main_end}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "main end"] - [gdb_get_line_number "main return"] + 1]}
+ {DW_LNS_copy}
+ {DW_LNE_end_sequence}
+
+ {DW_LNE_set_address $foo_start}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "foo prologue"] - 1] }
+ {DW_LNS_copy}
+ {DW_LNE_set_address foo_label}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "foo bar call"] - [gdb_get_line_number "foo prologue"]]}
+ {DW_LNS_copy}
+ {DW_LNE_set_address foo_label2}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "foo foo_cold call"] - [gdb_get_line_number "foo bar call"]]}
+ {DW_LNS_copy}
+ {DW_LNE_set_address foo_label3}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "foo end"] - [gdb_get_line_number "foo foo_cold call"]]}
+ {DW_LNS_copy}
+ {DW_LNE_set_address $foo_end}
+ {DW_LNS_advance_line 1}
+ {DW_LNS_copy}
+ {DW_LNE_end_sequence}
+
+ {DW_LNE_set_address $bar_start}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "bar end"] - 1]}
+ {DW_LNS_copy}
+ {DW_LNS_advance_pc $bar_len}
+ {DW_LNS_advance_line 1}
+ {DW_LNS_copy}
+ {DW_LNE_end_sequence}
+
+ {DW_LNE_set_address $baz_start}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "baz end"] - 1]}
+ {DW_LNS_copy}
+ {DW_LNS_advance_pc $baz_len}
+ {DW_LNS_advance_line 1}
+ {DW_LNS_copy}
+ {DW_LNE_end_sequence}
+
+ {DW_LNE_set_address $foo_cold_start}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "foo_cold prologue"] - 1]}
+ {DW_LNS_copy}
+ {DW_LNE_set_address foo_cold_label}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "foo_cold baz call"] - [gdb_get_line_number "foo_cold prologue"]]}
+ {DW_LNS_copy}
+ {DW_LNE_set_address foo_cold_label2}
+ {DW_LNS_advance_line [expr [gdb_get_line_number "foo_cold end"] - [gdb_get_line_number "foo_cold baz call"]]}
+ {DW_LNS_copy}
+ {DW_LNE_set_address $foo_cold_end}
+ {DW_LNS_advance_line 1}
+ {DW_LNS_copy}
+ {DW_LNE_end_sequence}
}
- subprogram {
- {external 1 flag}
- {name bar}
- {low_pc $bar_start addr}
- {high_pc $bar_len DW_FORM_data4}
+ }
+
+ # Generate ranges data.
+ ranges {is_64 [is_64_target]} {
+ func_ranges_label: sequence {
+ {range {$foo_start } $foo_end}
+ {range {$foo_cold_start} $foo_cold_end}
}
- subprogram {
- {external 1 flag}
- {name baz}
- {low_pc $baz_start addr}
- {high_pc $baz_len DW_FORM_data4}
+ cu_ranges_label: sequence {
+ {range {$foo_start } $foo_end}
+ {range {$foo_cold_start} $foo_cold_end}
+ {range {$main_start} $main_end}
+ {range {$bar_start} $bar_end}
+ {range {$baz_start} $baz_end}
}
}
}
- lines {version 2} L {
- include_dir "${srcdir}/${subdir}"
- file_name "$srcfile" 1
-
- # Generate a line table program. An attempt was made to make it
- # reasonably accurate as it made debugging the test case easier.
- program {
- {DW_LNE_set_address $main_start}
- {DW_LNS_advance_line [expr [gdb_get_line_number "main prologue"] - 1]}
- {DW_LNS_copy}
- {DW_LNE_set_address main_label}
- {DW_LNS_advance_line [expr [gdb_get_line_number "main foo call"] - [gdb_get_line_number "main prologue"]]}
- {DW_LNS_copy}
- {DW_LNE_set_address main_label2}
- {DW_LNS_advance_line [expr [gdb_get_line_number "main return"] - [gdb_get_line_number "main foo call"]]}
- {DW_LNS_copy}
- {DW_LNE_set_address $main_end}
- {DW_LNS_advance_line [expr [gdb_get_line_number "main end"] - [gdb_get_line_number "main return"] + 1]}
- {DW_LNS_copy}
- {DW_LNE_end_sequence}
-
- {DW_LNE_set_address $foo_start}
- {DW_LNS_advance_line [expr [gdb_get_line_number "foo prologue"] - 1] }
- {DW_LNS_copy}
- {DW_LNE_set_address foo_label}
- {DW_LNS_advance_line [expr [gdb_get_line_number "foo bar call"] - [gdb_get_line_number "foo prologue"]]}
- {DW_LNS_copy}
- {DW_LNE_set_address foo_label2}
- {DW_LNS_advance_line [expr [gdb_get_line_number "foo foo_low call"] - [gdb_get_line_number "foo bar call"]]}
- {DW_LNS_copy}
- {DW_LNE_set_address foo_label3}
- {DW_LNS_advance_line [expr [gdb_get_line_number "foo end"] - [gdb_get_line_number "foo foo_low call"]]}
- {DW_LNS_copy}
- {DW_LNE_set_address $foo_end}
- {DW_LNS_advance_line 1}
- {DW_LNS_copy}
- {DW_LNE_end_sequence}
-
- {DW_LNE_set_address $bar_start}
- {DW_LNS_advance_line [expr [gdb_get_line_number "bar end"] - 1]}
- {DW_LNS_copy}
- {DW_LNS_advance_pc $bar_len}
- {DW_LNS_advance_line 1}
- {DW_LNS_copy}
- {DW_LNE_end_sequence}
-
- {DW_LNE_set_address $baz_start}
- {DW_LNS_advance_line [expr [gdb_get_line_number "baz end"] - 1]}
- {DW_LNS_copy}
- {DW_LNS_advance_pc $baz_len}
- {DW_LNS_advance_line 1}
- {DW_LNS_copy}
- {DW_LNE_end_sequence}
-
- {DW_LNE_set_address $foo_low_start}
- {DW_LNS_advance_line [expr [gdb_get_line_number "foo_low prologue"] - 1]}
- {DW_LNS_copy}
- {DW_LNE_set_address foo_low_label}
- {DW_LNS_advance_line [expr [gdb_get_line_number "foo_low baz call"] - [gdb_get_line_number "foo_low prologue"]]}
- {DW_LNS_copy}
- {DW_LNE_set_address foo_low_label2}
- {DW_LNS_advance_line [expr [gdb_get_line_number "foo_low end"] - [gdb_get_line_number "foo_low baz call"]]}
- {DW_LNS_copy}
- {DW_LNE_set_address $foo_low_end}
- {DW_LNS_advance_line 1}
- {DW_LNS_copy}
- {DW_LNE_end_sequence}
- }
+ if { [prepare_for_testing "failed to prepare" ${testfile} \
+ [list $srcfile $asm_file] {nodebug}] } {
+ return -1
}
- # Generate ranges data.
- ranges {is_64 [is_64_target]} {
- func_ranges_label: sequence {
- {range {$foo_start } $foo_end}
- {range {$foo_low_start} $foo_low_end}
- }
- cu_ranges_label: sequence {
- {range {$foo_start } $foo_end}
- {range {$foo_low_start} $foo_low_end}
- {range {$main_start} $main_end}
- {range {$bar_start} $bar_end}
- {range {$baz_start} $baz_end}
- }
+ if ![runto_main] {
+ return -1
}
-}
-if { [prepare_for_testing "failed to prepare" ${testfile} \
- [list $srcfile $asm_file] {nodebug}] } {
- return -1
-}
+ set main_prologue_line_num [gdb_get_line_number "main prologue"]
+ # Do a sanity check to make sure that line number info is available.
+ gdb_test "info line main" \
+ "Line ${main_prologue_line_num} of .* starts at address .* and ends at .*"
-if ![runto_main] {
- return -1
-}
+ with_test_prefix "step-test-1" {
+ set bp_foo_bar [gdb_get_line_number "foo bar call"]
-set main_prologue_line_num [gdb_get_line_number "main prologue"]
-# Do a sanity check to make sure that line number info is available.
-gdb_test "info line main" \
- "Line ${main_prologue_line_num} of .* starts at address .* and ends at .*"
+ gdb_test "break $bp_foo_bar" \
+ "Breakpoint.*at.* file .*$srcfile, line $bp_foo_bar\\." \
+ "break at call to bar"
-with_test_prefix "step-test-1" {
- set bp_foo_bar [gdb_get_line_number "foo bar call"]
+ gdb_test "continue" \
+ "Continuing\\..*Breakpoint \[0-9\]+, foo \\(\\).*$bp_foo_bar\\s+bar\\s\\(\\);.*foo bar call.*" \
+ "continue to call of bar"
- gdb_test "break $bp_foo_bar" \
- "Breakpoint.*at.* file .*$srcfile, line $bp_foo_bar\\." \
- "break at call to bar"
+ gdb_test "step" \
+ "bar \\(\\).*bar end.*" \
+ "step into bar"
- gdb_test "continue" \
- "Continuing\\..*Breakpoint \[0-9\]+, foo \\(\\).*$bp_foo_bar\\s+bar\\s\\(\\);.*foo bar call.*" \
- "continue to call of bar"
+ gdb_test "step" \
+ "foo \\(\\).*foo foo_cold call.*" \
+ "step out of bar, back into foo"
+ }
- gdb_test "step" \
- "bar \\(\\).*bar end.*" \
- "step into bar"
+ with_test_prefix "step-test-2" {
+ clean_restart ${testfile}
+ if ![runto_main] {
+ return -1
+ }
- gdb_test "step" \
- "foo \\(\\).*foo foo_low call.*" \
- "step out of bar, back into foo"
-}
+ # Note that the RE used for the following test will fail when the
+ # breakpoint has been set on multiple locations. E.g. "(2 locations)".
+ # This is intentional since that behavior is one of the bugs that
+ # this test case tests for.
+ gdb_test "break foo" \
+ "Breakpoint.*at.* file .*$srcfile, line \\d+\\." \
+ "break foo"
+
+ # Continue to foo. Allow execution to stop either on the prologue
+ # or on the call to bar since either behavior is acceptable though
+ # the latter is preferred.
+ set test "continue to foo"
+ gdb_test_multiple "continue" $test {
+ -re "Breakpoint \\d+, foo \\(\\).*foo prologue.*${gdb_prompt}" {
+ pass $test
+ gdb_test "step" \
+ "foo bar call .*" \
+ "step to call of bar after landing on prologue"
+ }
+ -re "Breakpoint \\d+, foo \\(\\).*foo bar call.*${gdb_prompt}" {
+ pass $test
+ }
+ }
+
+ gdb_test "step" \
+ "bar \\(\\).*bar end.*" \
+ "step into bar"
+
+ gdb_test "step" \
+ "foo \\(\\).*foo foo_cold call.*" \
+ "step out of bar, back into foo"
+ }
-with_test_prefix "step-test-2" {
clean_restart ${testfile}
if ![runto_main] {
return -1
}
- # Note that the RE used for the following test will fail when the
- # breakpoint has been set on multiple locations. E.g. "(2 locations)".
- # This is intentional since that behavior is one of the bugs that
- # this test case tests for.
- gdb_test "break foo" \
- "Breakpoint.*at.* file .*$srcfile, line \\d+\\." \
- "break foo"
-
- # Continue to foo. Allow execution to stop either on the prologue
- # or on the call to bar since either behavior is acceptable though
- # the latter is preferred.
- set test "continue to foo"
- gdb_test_multiple "continue" $test {
- -re "Breakpoint \\d+, foo \\(\\).*foo prologue.*${gdb_prompt}" {
+ # Disassembly of foo should have multiple address ranges.
+ gdb_test_sequence "disassemble foo" "" [list \
+ "Dump of assembler code for function foo:" \
+ "Address range $hex to $hex:" \
+ " $hex <\\+0>:" \
+ "Address range $hex to $hex:" \
+ " $hex <(.+?)>:" \
+ "End of assembler dump\\." \
+ ]
+
+ set foo_cold_addr -1
+ set test "x/i foo_cold"
+ gdb_test_multiple $test $test {
+ -re " ($hex) <foo.*?>.*${gdb_prompt}" {
+ set foo_cold_addr $expect_out(1,string)
pass $test
- gdb_test "step" \
- "foo bar call .*" \
- "step to call of bar after landing on prologue"
}
- -re "Breakpoint \\d+, foo \\(\\).*foo bar call.*${gdb_prompt}" {
+ }
+
+ set foo_addr -1
+ set test "x/i foo"
+ gdb_test_multiple $test $test {
+ -re " ($hex) <foo.*?>.*${gdb_prompt}" {
+ set foo_addr $expect_out(1,string)
pass $test
}
}
- gdb_test "step" \
- "bar \\(\\).*bar end.*" \
- "step into bar"
-
- gdb_test "step" \
- "foo \\(\\).*foo foo_low call.*" \
- "step out of bar, back into foo"
-}
+ gdb_assert {$foo_cold_addr != $foo_addr} "foo and foo_cold are at different addresses"
-clean_restart ${testfile}
-if ![runto_main] {
- return -1
-}
+ # This more permissive RE for "break foo" will allow a breakpoint on
+ # multiple locations to PASS. */
+ gdb_test "break foo" \
+ "Breakpoint.*at.*" \
+ "break foo"
-# Disassembly of foo should have multiple address ranges.
-gdb_test_sequence "disassemble foo" "" [list \
- "Dump of assembler code for function foo:" \
- "Address range $hex to $hex:" \
- " $hex <\\+0>:" \
- "Address range $hex to $hex:" \
- " $hex <(.+?)>:" \
- "End of assembler dump\\." \
-]
-
-set foo_low_addr -1
-set test "x/i foo_low"
-gdb_test_multiple $test $test {
- -re " ($hex) <foo.*?>.*${gdb_prompt}" {
- set foo_low_addr $expect_out(1,string)
- pass $test
- }
-}
+ gdb_test "break baz" \
+ "Breakpoint.*at.* file .*$srcfile, line \\d+\\."
-set foo_addr -1
-set test "x/i foo"
-gdb_test_multiple $test $test {
- -re " ($hex) <foo.*?>.*${gdb_prompt}" {
- set foo_addr $expect_out(1,string)
- pass $test
- }
-}
+ gdb_test "continue" \
+ "Breakpoint \\d+, foo \\(\\).*" \
+ "continue to foo"
-gdb_assert {$foo_low_addr != $foo_addr} "foo and foo_low are at different addresses"
+ gdb_test_no_output "set variable e=1"
-# This more permissive RE for "break foo" will allow a breakpoint on
-# multiple locations to PASS. */
-gdb_test "break foo" \
- "Breakpoint.*at.*" \
- "break foo"
+ # If GDB incorrectly places the foo breakpoint on multiple locations,
+ # then GDB will (incorrectly) stop in foo_cold instead of in baz.
+ gdb_test "continue" \
+ "Breakpoint \\d+, (?:$hex in )?baz \\(\\).*" \
+ "continue to baz"
+
+ with_test_prefix "no-cold-names" {
+
+ # Due to the calling sequence, this backtrace would normally
+ # show function foo_cold for frame #1. However, we don't want
+ # this to be the case due to placing it in the same block
+ # (albeit at a different range) as foo. Thus it is correct to
+ # see foo for frames #1 and #2. It is incorrect to see
+ # foo_cold at frame #1.
+ gdb_test_sequence "bt" "backtrace from baz" {
+ "\[\r\n\]#0 .*? baz \\(\\) "
+ "\[\r\n\]#1 .*? foo \\(\\) "
+ "\[\r\n\]#2 .*? foo \\(\\) "
+ "\[\r\n\]#3 .*? main \\(\\) "
+ }
-gdb_test "break baz" \
- "Breakpoint.*at.* file .*$srcfile, line \\d+\\."
+ # Doing x/2i foo_cold should show foo_cold as the first symbolic
+ # address and an offset from foo for the second. We also check to
+ # make sure that the offset is not too large - we don't GDB to
+ # display really large offsets that would (try to) wrap around the
+ # address space.
+ set foo_cold_offset 0
+ set test "x/2i foo_cold"
+ gdb_test_multiple $test $test {
+ -re " (?:$hex) <foo_cold>.*?\n (?:$hex) <foo\[+-\](\[0-9\]+)>.*${gdb_prompt}" {
+ set foo_cold_offset $expect_out(1,string)
+ pass $test
+ }
+ }
+ gdb_assert {$foo_cold_offset <= 10000} "offset to foo_cold is not too large"
-gdb_test "continue" \
- "Breakpoint \\d+, foo \\(\\).*" \
- "continue to foo"
+ # Likewise, verify that second address shown by "info line" is at
+ # and offset from foo instead of foo_cold.
+ gdb_test "info line *foo_cold" "starts at address $hex <foo_cold> and ends at $hex <foo\[+-\].*?>.*"
-gdb_test_no_output "set variable e=1"
+ }
-# If GDB incorrectly places the foo breakpoint on multiple locations,
-# then GDB will (incorrectly) stop in foo_low instead of in baz.
-gdb_test "continue" \
- "Breakpoint \\d+, (?:$hex in )?baz \\(\\).*" \
- "continue to baz"
+ with_test_prefix "step-test-3" {
+ clean_restart ${testfile}
+ if ![runto_main] {
+ return -1
+ }
-with_test_prefix "step-test-3" {
- clean_restart ${testfile}
- if ![runto_main] {
- return -1
- }
+ gdb_test "step" \
+ "foo \\(\\).*bar \\(\\);.*foo bar call.*" \
+ "step into foo from main"
- gdb_test "step" \
- "foo \\(\\).*bar \\(\\);.*foo bar call.*" \
- "step into foo from main"
-
- gdb_test "step" \
- "bar \\(\\).*\}.* bar end.*" \
- "step into bar from foo"
-
- gdb_test "step" \
- "foo(_label2)? \\(\\).*foo_low \\(\\);.*foo foo_low call.*" \
- "step out of bar to foo"
-
- # The tests in the "enable_foo_low_stepping" section, below, work
- # with some versions of gcc, though it's not clear that they
- # should. This test case causes foo_low, originally a separate
- # function invoked via a subroutine call, to be considered as part
- # of foo via use of DW_AT_ranges. Real code that I've looked at
- # uses a branch instruction to cause code in the "cold" range to
- # be executed.
- #
- # For the moment though, these tests have been left in place, but
- # disabled, in case we decide that making such a subroutine call
- # is a reasonable thing to do that should also be supported by
- # GDB.
+ gdb_test "step" \
+ "bar \\(\\).*\}.* bar end.*" \
+ "step into bar from foo"
- set enable_foo_low_stepping false
+ gdb_test "step" \
+ "foo(_label2)? \\(\\).*foo_cold \\(\\);.*foo foo_cold call.*" \
+ "step out of bar to foo"
+
+ # The tests in the "enable_foo_cold_stepping" section, below, work
+ # with some versions of gcc, though it's not clear that they
+ # should. This test case causes foo_cold, originally a separate
+ # function invoked via a subroutine call, to be considered as part
+ # of foo via use of DW_AT_ranges. Real code that I've looked at
+ # uses a branch instruction to cause code in the "cold" range to
+ # be executed.
+ #
+ # For the moment though, these tests have been left in place, but
+ # disabled, in case we decide that making such a subroutine call
+ # is a reasonable thing to do that should also be supported by
+ # GDB.
+
+ set enable_foo_cold_stepping false
+
+ if { $enable_foo_cold_stepping } {
+ gdb_test_no_output "set variable e=1"
+
+ set test "step into foo_cold from foo"
+ gdb_test_multiple "step" $test {
+ -re "foo(_low)? \\(\\).*\{.*foo_cold prologue.*${gdb_prompt}" {
+ pass $test
+ gdb_test "step" \
+ "foo \\(\\).*baz \\(\\);.*foo_cold baz call.*" \
+ "step to baz call in foo_cold"
+
+ }
+ -re "foo(_low)? \\(\\).*baz \\(\\);.*foo_cold baz call.*${gdb_prompt}" {
+ pass $test
+ }
+ }
- if { $enable_foo_low_stepping } {
- gdb_test_no_output "set variable e=1"
+ gdb_test "step" \
+ "baz \\(\\).*\}.*baz end.*" \
+ "step into baz from foo_cold"
- set test "step into foo_low from foo"
- gdb_test_multiple "step" $test {
- -re "foo(_low)? \\(\\).*\{.*foo_low prologue.*${gdb_prompt}" {
- pass $test
- gdb_test "step" \
- "foo \\(\\).*baz \\(\\);.*foo_low baz call.*" \
- "step to baz call in foo_low"
+ gdb_test "step" \
+ "foo(?:_low(?:_label2)?)? \\(\\).*\}.*foo_cold end.*" \
+ "step out of baz to foo_cold"
- }
- -re "foo(_low)? \\(\\).*baz \\(\\);.*foo_low baz call.*${gdb_prompt}" {
- pass $test
- }
+ gdb_test "step" \
+ "foo(?:_label3)? \\(\\).*\}.*foo end.*" \
+ "step out of foo_cold to foo"
+ } else {
+ gdb_test "next" \
+ ".*foo end.*" \
+ "next over foo_cold call"
}
gdb_test "step" \
- "baz \\(\\).*\}.*baz end.*" \
- "step into baz from foo_low"
+ "main(?:_label2)? \\(\\).*" \
+ "step out of foo to main"
+ }
+}
- gdb_test "step" \
- "foo(?:_low(?:_label2)?)? \\(\\).*\}.*foo_low end.*" \
- "step out of baz to foo_low"
+# foreach_with_prefix could be used here, but the log file output is somewhat
+# less verbose when using an explicit "with_test_prefix".
- gdb_test "step" \
- "foo(?:_label3)? \\(\\).*\}.*foo end.*" \
- "step out of foo_low to foo"
- } else {
- gdb_test "next" \
- ".*foo end.*" \
- "next over foo_low call"
+foreach test_suffix { "lo-cold" "hi-cold" } {
+ with_test_prefix $test_suffix {
+ do_test $test_suffix
}
-
- gdb_test "step" \
- "main(?:_label2)? \\(\\).*" \
- "step out of foo to main"
}
projects / platform / upstream / binutils.git / commitdiff