From 17e1c970ef41149e5eb6b5f908301e6a86a7f528 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Tue, 13 Aug 2013 15:55:52 +0000 Subject: [PATCH] add caching procs to test suite In the fully parallel mode, each .exp file can be run in parallel (at least conceptually -- the actual split may not be so severe). This means that procs that compute a result and cache it are not going to function very well. The test they run will be invoked over and over. This patch introduces a generic caching mechanism and changes various result-caching procs to use it. This is a cleanup to introduce the basic change; the results aren't written to disk yet. A caching proc is defined using gdb_caching_proc, which works like "proc", except that it caches the result of the body. * lib/cache.exp: New file. * lib/cell.exp (skip_cell_tests): Use gdb_caching_proc. * lib/gdb.exp: Load cache.exp. (support_complex_tests, is_ilp32_target, is_lp64_target) (is_amd64_regs_target, skip_altivec_tests, skip_vsx_tests) (gdb_skip_xml_test): Use gdb_caching_proc. * lib/opencl.exp (skip_opencl_tests): Use gdb_caching_proc. --- gdb/testsuite/ChangeLog | 10 ++++ gdb/testsuite/lib/cache.exp | 54 +++++++++++++++++++ gdb/testsuite/lib/cell.exp | 20 +++----- gdb/testsuite/lib/gdb.exp | 120 ++++++++++++------------------------------- gdb/testsuite/lib/opencl.exp | 24 ++++----- 5 files changed, 114 insertions(+), 114 deletions(-) create mode 100644 gdb/testsuite/lib/cache.exp diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 8e42771..88680db 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,5 +1,15 @@ 2013-08-13 Tom Tromey + * lib/cache.exp: New file. + * lib/cell.exp (skip_cell_tests): Use gdb_caching_proc. + * lib/gdb.exp: Load cache.exp. + (support_complex_tests, is_ilp32_target, is_lp64_target) + (is_amd64_regs_target, skip_altivec_tests, skip_vsx_tests) + (gdb_skip_xml_test): Use gdb_caching_proc. + * lib/opencl.exp (skip_opencl_tests): Use gdb_caching_proc. + +2013-08-13 Tom Tromey + * lib/gdb.exp (standard_temp_file): New proc. (support_complex_tests, is_ilp32_target, is_lp64_target) (is_amd64_regs_target, skip_altivec_tests, skip_vsx_tests): Use diff --git a/gdb/testsuite/lib/cache.exp b/gdb/testsuite/lib/cache.exp new file mode 100644 index 0000000..1de0dfd --- /dev/null +++ b/gdb/testsuite/lib/cache.exp @@ -0,0 +1,54 @@ +# Copyright 2012, 2013 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 . + + +# The in-memory cache. +array set gdb_data_cache {} + +# A helper for gdb_caching_proc that handles the caching. + +proc gdb_do_cache {name} { + global gdb_data_cache objdir + + # See if some other process wrote the cache file. Cache value per + # "board" to handle runs with multiple options + # (e.g. unix/{-m32,-64}) correctly. We use "file join" here + # because we later use this in a real filename. + set cache_name [file join [target_info name] $name] + + if {[info exists gdb_data_cache($cache_name)]} { + verbose "$name: returning '$gdb_data_cache($cache_name)' from cache" 2 + return $gdb_data_cache($cache_name) + } + + set real_name gdb_real__$name + set gdb_data_cache($cache_name) [uplevel 1 $real_name] + + return $gdb_data_cache($cache_name) +} + +# Define a new proc named NAME that takes no arguments. BODY is the +# body of the proc. The proc will evaluate BODY and cache the +# results, both in memory and, if GDB_PARALLEL is defined, in the +# filesystem for use across invocations of dejagnu. + +proc gdb_caching_proc {name body} { + # Define the underlying proc that we'll call. + set real_name gdb_real__$name + proc $real_name {} $body + + # Define the advertised proc. + proc $name {} [list gdb_do_cache $name] +} diff --git a/gdb/testsuite/lib/cell.exp b/gdb/testsuite/lib/cell.exp index e799b7f..9a20f5c 100644 --- a/gdb/testsuite/lib/cell.exp +++ b/gdb/testsuite/lib/cell.exp @@ -70,16 +70,10 @@ proc gdb_cell_embedspu {source dest options} { # Run a test on the target to see if it supports Cell/B.E. hardware. # Return 0 if so, 1 if it does not. -proc skip_cell_tests {} { - global skip_cell_tests_saved +gdb_caching_proc skip_cell_tests { global srcdir subdir gdb_prompt inferior_exited_re - # Use the cached value, if it exists. set me "skip_cell_tests" - if [info exists skip_cell_tests_saved] { - verbose "$me: returning saved $skip_cell_tests_saved" 2 - return $skip_cell_tests_saved - } # Set up, compile, and execute a combined Cell/B.E. test program. # Include the current process ID in the file names to prevent conflicts @@ -125,7 +119,7 @@ proc skip_cell_tests {} { file delete $exe_spu-embed.o if { $skip } { - return [set skip_cell_tests_saved 1] + return 1 } # Compilation succeeded so now run it via gdb. @@ -138,22 +132,22 @@ proc skip_cell_tests {} { gdb_expect { -re ".*$inferior_exited_re normally.*${gdb_prompt} $" { verbose -log "\n$me: Cell/B.E. hardware detected" - set skip_cell_tests_saved 0 + set result 0 } -re ".*$inferior_exited_re with code.*${gdb_prompt} $" { verbose -log "\n$me: Cell/B.E. hardware not detected" - set skip_cell_tests_saved 1 + set result 1 } default { verbose -log "\n$me Cell/B.E. hardware not detected (default case)" - set skip_cell_tests_saved 1 + set result 1 } } gdb_exit remote_file build delete $exe - verbose "$me: returning $skip_cell_tests_saved" 2 - return $skip_cell_tests_saved + verbose "$me: returning $result" 2 + return $result } # Delete all breakpoints and stop on the next new SPU thread diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp index 901ba6a..ceaaa41 100644 --- a/gdb/testsuite/lib/gdb.exp +++ b/gdb/testsuite/lib/gdb.exp @@ -26,6 +26,7 @@ if {$tool == ""} { } load_lib libgloss.exp +load_lib cache.exp global GDB @@ -1696,15 +1697,7 @@ proc with_test_prefix { prefix body } { # Return 1 if _Complex types are supported, otherwise, return 0. -proc support_complex_tests {} { - global support_complex_tests_saved - - # Use the cached value, if it exists. - if [info exists support_complex_tests_saved] { - verbose "returning saved $support_complex_tests_saved" 2 - return $support_complex_tests_saved - } - +gdb_caching_proc support_complex_tests { # Set up, compile, and execute a test program containing _Complex types. # Include the current process ID in the file names to prevent conflicts # with invocations for multiple testsuites. @@ -1727,12 +1720,12 @@ proc support_complex_tests {} { if ![string match "" $lines] then { verbose "testfile compilation failed, returning 0" 2 - set support_complex_tests_saved 0 + set result 0 } else { - set support_complex_tests_saved 1 + set result 1 } - return $support_complex_tests_saved + return $result } # Return 1 if target hardware or OS supports single stepping to signal @@ -1785,18 +1778,8 @@ proc supports_reverse {} { # Return 1 if target is ILP32. # This cannot be decided simply from looking at the target string, # as it might depend on externally passed compiler options like -m64. -proc is_ilp32_target {} { - global is_ilp32_target_saved - - # Use the cached value, if it exists. Cache value per "board" to handle - # runs with multiple options (e.g. unix/{-m32,-64}) correctly. +gdb_caching_proc is_ilp32_target { set me "is_ilp32_target" - set board [target_info name] - if [info exists is_ilp32_target_saved($board)] { - verbose "$me: returning saved $is_ilp32_target_saved($board)" 2 - return $is_ilp32_target_saved($board) - } - set src [standard_temp_file ilp32[pid].c] set obj [standard_temp_file ilp32[pid].o] @@ -1814,27 +1797,18 @@ proc is_ilp32_target {} { if ![string match "" $lines] then { verbose "$me: testfile compilation failed, returning 0" 2 - return [set is_ilp32_target_saved($board) 0] + return 0 } verbose "$me: returning 1" 2 - return [set is_ilp32_target_saved($board) 1] + return 1 } # Return 1 if target is LP64. # This cannot be decided simply from looking at the target string, # as it might depend on externally passed compiler options like -m64. -proc is_lp64_target {} { - global is_lp64_target_saved - - # Use the cached value, if it exists. Cache value per "board" to handle - # runs with multiple options (e.g. unix/{-m32,-64}) correctly. +gdb_caching_proc is_lp64_target { set me "is_lp64_target" - set board [target_info name] - if [info exists is_lp64_target_saved($board)] { - verbose "$me: returning saved $is_lp64_target_saved($board)" 2 - return $is_lp64_target_saved($board) - } set src [standard_temp_file lp64[pid].c] set obj [standard_temp_file lp64[pid].o] @@ -1852,31 +1826,22 @@ proc is_lp64_target {} { if ![string match "" $lines] then { verbose "$me: testfile compilation failed, returning 0" 2 - return [set is_lp64_target_saved($board) 0] + return 0 } verbose "$me: returning 1" 2 - return [set is_lp64_target_saved($board) 1] + return 1 } # Return 1 if target has x86_64 registers - either amd64 or x32. # x32 target identifies as x86_64-*-linux*, therefore it cannot be determined # just from the target string. -proc is_amd64_regs_target {} { - global is_amd64_regs_target_saved - +gdb_caching_proc is_amd64_regs_target { if {![istarget "x86_64-*-*"] && ![istarget "i?86-*"]} { return 0 } - # Use the cached value, if it exists. Cache value per "board" to handle - # runs with multiple options (e.g. unix/{-m32,-64}) correctly. set me "is_amd64_regs_target" - set board [target_info name] - if [info exists is_amd64_regs_target_saved($board)] { - verbose "$me: returning saved $is_amd64_regs_target_saved($board)" 2 - return $is_amd64_regs_target_saved($board) - } set src [standard_temp_file reg64[pid].s] set obj [standard_temp_file reg64[pid].o] @@ -1895,11 +1860,11 @@ proc is_amd64_regs_target {} { if ![string match "" $lines] then { verbose "$me: testfile compilation failed, returning 0" 2 - return [set is_amd64_regs_target_saved($board) 0] + return 0 } verbose "$me: returning 1" 2 - return [set is_amd64_regs_target_saved($board) 1] + return 1 } # Return 1 if this target is an x86 or x86-64 with -m32. @@ -1925,21 +1890,15 @@ proc support_displaced_stepping {} { # Run a test on the target to see if it supports vmx hardware. Return 0 if so, # 1 if it does not. Based on 'check_vmx_hw_available' from the GCC testsuite. -proc skip_altivec_tests {} { - global skip_vmx_tests_saved +gdb_caching_proc skip_altivec_tests { global srcdir subdir gdb_prompt inferior_exited_re - # Use the cached value, if it exists. set me "skip_altivec_tests" - if [info exists skip_vmx_tests_saved] { - verbose "$me: returning saved $skip_vmx_tests_saved" 2 - return $skip_vmx_tests_saved - } # Some simulators are known to not support VMX instructions. if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] } { verbose "$me: target known to not support VMX, returning 1" 2 - return [set skip_vmx_tests_saved 1] + return 1 } # Make sure we have a compiler that understands altivec. @@ -1979,7 +1938,7 @@ proc skip_altivec_tests {} { if ![string match "" $lines] then { verbose "$me: testfile compilation failed, returning 1" 2 - return [set skip_vmx_tests_saved 1] + return 1 } # No error message, compilation succeeded so now run it via gdb. @@ -1992,43 +1951,37 @@ proc skip_altivec_tests {} { gdb_expect { -re ".*Illegal instruction.*${gdb_prompt} $" { verbose -log "\n$me altivec hardware not detected" - set skip_vmx_tests_saved 1 + set skip_vmx_tests 1 } -re ".*$inferior_exited_re normally.*${gdb_prompt} $" { verbose -log "\n$me: altivec hardware detected" - set skip_vmx_tests_saved 0 + set skip_vmx_tests 0 } default { warning "\n$me: default case taken" - set skip_vmx_tests_saved 1 + set skip_vmx_tests 1 } } gdb_exit remote_file build delete $exe - verbose "$me: returning $skip_vmx_tests_saved" 2 - return $skip_vmx_tests_saved + verbose "$me: returning $skip_vmx_tests" 2 + return $skip_vmx_tests } # Run a test on the target to see if it supports vmx hardware. Return 0 if so, # 1 if it does not. Based on 'check_vmx_hw_available' from the GCC testsuite. -proc skip_vsx_tests {} { - global skip_vsx_tests_saved +gdb_caching_proc skip_vsx_tests { global srcdir subdir gdb_prompt inferior_exited_re - # Use the cached value, if it exists. set me "skip_vsx_tests" - if [info exists skip_vsx_tests_saved] { - verbose "$me: returning saved $skip_vsx_tests_saved" 2 - return $skip_vsx_tests_saved - } # Some simulators are known to not support Altivec instructions, so # they won't support VSX instructions as well. if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] } { verbose "$me: target known to not support VSX, returning 1" 2 - return [set skip_vsx_tests_saved 1] + return 1 } # Make sure we have a compiler that understands altivec. @@ -2066,7 +2019,7 @@ proc skip_vsx_tests {} { if ![string match "" $lines] then { verbose "$me: testfile compilation failed, returning 1" 2 - return [set skip_vsx_tests_saved 1] + return 1 } # No error message, compilation succeeded so now run it via gdb. @@ -2079,22 +2032,22 @@ proc skip_vsx_tests {} { gdb_expect { -re ".*Illegal instruction.*${gdb_prompt} $" { verbose -log "\n$me VSX hardware not detected" - set skip_vsx_tests_saved 1 + set skip_vsx_tests 1 } -re ".*$inferior_exited_re normally.*${gdb_prompt} $" { verbose -log "\n$me: VSX hardware detected" - set skip_vsx_tests_saved 0 + set skip_vsx_tests 0 } default { warning "\n$me: default case taken" - set skip_vsx_tests_saved 1 + set skip_vsx_tests 1 } } gdb_exit remote_file build delete $exe - verbose "$me: returning $skip_vsx_tests_saved" 2 - return $skip_vsx_tests_saved + verbose "$me: returning $skip_vsx_tests" 2 + return $skip_vsx_tests } # Run a test on the target to see if it supports btrace hardware. Return 0 if so, @@ -3855,25 +3808,20 @@ proc gdb_skip_bogus_test { msg } { # in the host GDB. # NOTE: This must be called while gdb is *not* running. -proc gdb_skip_xml_test { } { +gdb_caching_proc gdb_skip_xml_test { global gdb_prompt global srcdir - global xml_missing_cached - - if {[info exists xml_missing_cached]} { - return $xml_missing_cached - } gdb_start - set xml_missing_cached 0 + set xml_missing 0 gdb_test_multiple "set tdesc filename ${srcdir}/gdb.xml/trivial.xml" "" { -re ".*XML support was disabled at compile time.*$gdb_prompt $" { - set xml_missing_cached 1 + set xml_missing 1 } -re ".*$gdb_prompt $" { } } gdb_exit - return $xml_missing_cached + return $xml_missing } # Note: the procedure gdb_gnu_strip_debug will produce an executable called diff --git a/gdb/testsuite/lib/opencl.exp b/gdb/testsuite/lib/opencl.exp index 5afb3f8..32491396 100644 --- a/gdb/testsuite/lib/opencl.exp +++ b/gdb/testsuite/lib/opencl.exp @@ -29,18 +29,11 @@ proc gdb_compile_opencl_hostapp {clsource executable options} { # Run a test on the target to check if it supports OpenCL. Return 0 if so, 1 if # it does not. -proc skip_opencl_tests {} { - global skip_opencl_tests_saved srcdir objdir subdir gdb_prompt +gdb_caching_proc skip_opencl_tests { + global srcdir objdir subdir gdb_prompt global inferior_exited_re - # Use the cached value, if it exists. Cache value per "board" to handle - # runs with multiple options (e.g. unix/{-m32,-64}) correctly. set me "skip_opencl_tests" - set board [target_info name] - if [info exists skip_opencl_tests_saved($board)] { - verbose "$me: returning saved $skip_opencl_tests_saved($board)" 2 - return $skip_opencl_tests_saved($board) - } # Set up, compile, and execute an OpenCL program. Include the current # process ID in the file name of the executable to prevent conflicts with @@ -52,8 +45,9 @@ proc skip_opencl_tests {} { set compile_flags {debug nowarnings quiet} if { [gdb_compile_opencl_hostapp "${clprogram}" "${executable}" "${compile_flags}" ] != "" } { + remote_file target delete ${clprogram} verbose "$me: compiling OpenCL binary failed, returning 1" 2 - return [set skip_opencl_tests_saved($board) 1] + return 1 } # Compilation succeeded so now run it via gdb. @@ -62,15 +56,15 @@ proc skip_opencl_tests {} { gdb_expect 30 { -re ".*$inferior_exited_re normally.*${gdb_prompt} $" { verbose -log "\n$me: OpenCL support detected" - set skip_opencl_tests_saved($board) 0 + set result 0 } -re ".*$inferior_exited_re code.*${gdb_prompt} $" { verbose -log "\n$me: OpenCL support not detected" - set skip_opencl_tests_saved($board) 1 + set result 1 } default { verbose -log "\n$me OpenCL support not detected (default case)" - set skip_opencl_tests_saved($board) 1 + set result 1 } } gdb_exit @@ -79,6 +73,6 @@ proc skip_opencl_tests {} { # Delete the OpenCL program source file. remote_file target delete ${clprogram} - verbose "$me: returning $skip_opencl_tests_saved($board)" 2 - return $skip_opencl_tests_saved($board) + verbose "$me: returning $result" 2 + return $result } -- 2.7.4