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-rwxr-xr-xlibctf/configure10
-rw-r--r--libctf/configure.ac10
-rw-r--r--libctf/ctf-serialize.c6
-rw-r--r--libctf/testsuite/config/default.exp8
-rw-r--r--libctf/testsuite/lib/ctf-lib.exp45
-rw-r--r--libctf/testsuite/libctf-lookup/lookup.exp5
-rw-r--r--libctf/testsuite/libctf-regression/libctf-repeat-cu.exp5
-rw-r--r--libctf/testsuite/libctf-regression/regression.exp5
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