diff options
Diffstat (limited to 'libctf')
-rwxr-xr-x | libctf/configure | 10 | ||||
-rw-r--r-- | libctf/configure.ac | 10 | ||||
-rw-r--r-- | libctf/ctf-serialize.c | 6 | ||||
-rw-r--r-- | libctf/testsuite/config/default.exp | 8 | ||||
-rw-r--r-- | libctf/testsuite/lib/ctf-lib.exp | 45 | ||||
-rw-r--r-- | libctf/testsuite/libctf-lookup/lookup.exp | 5 | ||||
-rw-r--r-- | libctf/testsuite/libctf-regression/libctf-repeat-cu.exp | 5 | ||||
-rw-r--r-- | libctf/testsuite/libctf-regression/regression.exp | 5 |
8 files changed, 91 insertions, 3 deletions
diff --git a/libctf/configure b/libctf/configure index 7466d56..89c99c2 100755 --- a/libctf/configure +++ b/libctf/configure @@ -15966,6 +15966,14 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu +case "${host}" in + # PR libctf/29292 + # libctf's use of mmap doesn't work on Solaris 11.4, so disable it. + *-*-solaris2.11*) + ac_cv_func_mmap_fixed_mapped=no + ;; +esac + @@ -17015,7 +17023,7 @@ if test -n "$decommented_version_script"; then # used by GNU ld. Use cpp to strip the comments out. (cpp exists under this # name on all platforms that support ld -z gnu-version-script.) /lib/cpp < $srcdir/libctf.ver > libctf-decommented.ver - /lib/cpp < $srcdir/libctf-nobfd.ver > libctf-nobfd-decommented.ver + /lib/cpp < libctf-nobfd.ver > libctf-nobfd-decommented.ver VERSION_FLAGS="$ac_cv_libctf_version_script='libctf-decommented.ver'" VERSION_FLAGS_NOBFD="$ac_cv_libctf_version_script='libctf-nobfd-decommented.ver'" elif test -z "$no_version_script"; then diff --git a/libctf/configure.ac b/libctf/configure.ac index fbd8ec1..40d00e8 100644 --- a/libctf/configure.ac +++ b/libctf/configure.ac @@ -65,6 +65,14 @@ AM_MAINTAINER_MODE AM_INSTALL_LIBBFD ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_libctf_warn_cflags]) +case "${host}" in + # PR libctf/29292 + # libctf's use of mmap doesn't work on Solaris 11.4, so disable it. + *-*-solaris2.11*) + ac_cv_func_mmap_fixed_mapped=no + ;; +esac + GCC_AC_FUNC_MMAP # Needed for BFD capability checks. AC_SEARCH_LIBS(dlsym, dl) @@ -293,7 +301,7 @@ if test -n "$decommented_version_script"; then # used by GNU ld. Use cpp to strip the comments out. (cpp exists under this # name on all platforms that support ld -z gnu-version-script.) /lib/cpp < $srcdir/libctf.ver > libctf-decommented.ver - /lib/cpp < $srcdir/libctf-nobfd.ver > libctf-nobfd-decommented.ver + /lib/cpp < libctf-nobfd.ver > libctf-nobfd-decommented.ver VERSION_FLAGS="$ac_cv_libctf_version_script='libctf-decommented.ver'" VERSION_FLAGS_NOBFD="$ac_cv_libctf_version_script='libctf-nobfd-decommented.ver'" elif test -z "$no_version_script"; then diff --git a/libctf/ctf-serialize.c b/libctf/ctf-serialize.c index 8c35a2b..f04c278 100644 --- a/libctf/ctf-serialize.c +++ b/libctf/ctf-serialize.c @@ -74,6 +74,12 @@ ctf_symtab_skippable (ctf_link_sym_t *sym) || sym->st_shndx == SHN_UNDEF || strcmp (sym->st_name, "_START_") == 0 || strcmp (sym->st_name, "_END_") == 0 + || strcmp (sym->st_name, "_DYNAMIC") == 0 + || strcmp (sym->st_name, "_GLOBAL_OFFSET_TABLE_") == 0 + || strcmp (sym->st_name, "_PROCEDURE_LINKAGE_TABLE_") == 0 + || strcmp (sym->st_name, "_edata") == 0 + || strcmp (sym->st_name, "_end") == 0 + || strcmp (sym->st_name, "_etext") == 0 || (sym->st_type == STT_OBJECT && sym->st_shndx == SHN_EXTABS && sym->st_value == 0)); } diff --git a/libctf/testsuite/config/default.exp b/libctf/testsuite/config/default.exp index f244826..d5e51f4 100644 --- a/libctf/testsuite/config/default.exp +++ b/libctf/testsuite/config/default.exp @@ -34,6 +34,10 @@ if ![info exists as] then { set as [findfile $base_dir/../gas/as-new $base_dir/../gas/as-new [transform as]] } +if ![info exists objdump] then { + set objdump [findfile $base_dir/../binutils/objdump] +} + remote_exec host "mkdir -p tmpdir" # Make symlinks from tmpdir/libctf to the linker and assembler in the @@ -63,10 +67,12 @@ if {![info exists CFLAGS_FOR_TARGET]} { if ![info exists AR] then { set AR [findfile $base_dir/../binutils/ar] } - if {![info exists OBJDUMP]} { set OBJDUMP [findfile $base_dir/../binutils/objdump] } +if ![info exists OBJDUMPFLAGS] then { + set OBJDUMPFLAGS {} +} # load the utility procedures load_lib ctf-lib.exp diff --git a/libctf/testsuite/lib/ctf-lib.exp b/libctf/testsuite/lib/ctf-lib.exp index 64d2a40..4df6619 100644 --- a/libctf/testsuite/lib/ctf-lib.exp +++ b/libctf/testsuite/lib/ctf-lib.exp @@ -20,6 +20,51 @@ load_file $srcdir/../../ld/testsuite/lib/ld-lib.exp +# Returns true if the target linker deduplicates CTF. +proc check_ctf_linker_dedup { } { + global ctf_linker_dedup_saved + + if {![info exists ctf_linker_dedup_saved]} { + set ctf_linker_dedup_saved 0 + + if ([check_ctf_available]) { + global objdump srcdir + + set basename "tmpdir/ctf_linker_dedups[pid]" + compile_one_cc $srcdir/libctf-lookup/ambiguous-struct-A.c ${basename}-A.o "-gctf -fPIC -c" + compile_one_cc $srcdir/libctf-lookup/ambiguous-struct-B.c ${basename}-B.o "-gctf -fPIC -c" + compile_one_cc "${basename}-A.o ${basename}-B.o" $basename.so "-gctf -fPIC -shared" + if {! [remote_file host exists $basename.so] } { + return 0 + } + + # Don't use run_host_cmd: it dumps the entire output into the log, + # even on success. + set cmdret [remote_exec host [concat sh -c [list "$objdump --ctf $basename.so >dump.out 2>dump.err"]] "" "/dev/null"] + set cmdret [lindex $cmdret 0] + remote_upload host "dump.out" + remote_upload host "dump.err" + set dump_out [prune_warnings [file_contents "dump.out"]] + set dump_err [prune_warnings [file_contents "dump.err"]] + remote_file host delete "dump.out" "dump.err" + remote_file build delete "dump.out" "dump.err" + + if {$cmdret != 0} { + verbose -log "failed with $cmdret: stderr: $dump_err" + verbose -log "output: $dump_out" + return 0; + } + + remote_file host delete $basename.so ${basename}-A.o ${basename}-B.o + if [regexp {CTF archive member: } $dump_out] { + set ctf_linker_dedup_saved 1 + } + } + } + return $ctf_linker_dedup_saved +} + + proc run_native_host_cmd { command } { global link_output global ld diff --git a/libctf/testsuite/libctf-lookup/lookup.exp b/libctf/testsuite/libctf-lookup/lookup.exp index a8b09c2..d15c315 100644 --- a/libctf/testsuite/libctf-lookup/lookup.exp +++ b/libctf/testsuite/libctf-lookup/lookup.exp @@ -28,6 +28,11 @@ if {![check_ctf_available]} { return 0 } +if {![check_ctf_linker_dedup]} { + unsupported "no CTF deduplication support in the linker" + return 0 +} + if {[info exists env(LC_ALL)]} { set old_lc_all $env(LC_ALL) } diff --git a/libctf/testsuite/libctf-regression/libctf-repeat-cu.exp b/libctf/testsuite/libctf-regression/libctf-repeat-cu.exp index e29cf63..7c19fe8 100644 --- a/libctf/testsuite/libctf-regression/libctf-repeat-cu.exp +++ b/libctf/testsuite/libctf-regression/libctf-repeat-cu.exp @@ -37,6 +37,11 @@ if {![check_ctf_available]} { return 0 } +if {![check_ctf_linker_dedup]} { + unsupported "no CTF deduplication support in the linker" + return 0 +} + if {[info exists env(LC_ALL)]} { set old_lc_all $env(LC_ALL) } diff --git a/libctf/testsuite/libctf-regression/regression.exp b/libctf/testsuite/libctf-regression/regression.exp index e4b6347..0270cca 100644 --- a/libctf/testsuite/libctf-regression/regression.exp +++ b/libctf/testsuite/libctf-regression/regression.exp @@ -23,6 +23,11 @@ if {![check_ctf_available]} { return 0 } +if {![check_ctf_linker_dedup]} { + unsupported "no CTF deduplication support in the linker" + return 0 +} + if ![is_elf_format] { unsupported "CTF needs bfd changes to be emitted on non-ELF" return 0 |