+2008-03-28 Ian Lance Taylor <iant@google.com>
+
+ * layout.cc (Layout::layout): If we see an input section with a
+ name that needs sorting, set the must_sort flag for the output
+ section.
+ (Layout::make_output_section): If the name of the output section
+ indicates that it might require sorting, set the may_sort flag.
+ * output.h (Output_section::may_sort_attached_input_sections): New
+ function.
+ (Output_section::set_may_sort_attached_input_sections): New
+ function.
+ (Output_section::must_sort_attached_input_sections): New
+ function.
+ (Output_section::set_must_sort_attached_input_sections): New
+ function.
+ (class Output_section): Declare Input_section_sort_entry. Define
+ Input_section_sort_compare. Declare
+ sort_attached_input_sections. Add new fields:
+ may_sort_attached_input_sections_,
+ must_sort_attached_input_sections_,
+ attached_input_sections_are_sorted_.
+ * output.cc (Output_section::Output_section): Initialize new
+ fields.
+ (Output_section::add_input_section): Add an entry to
+ input_sections_ if may_sort or must_sort are true.
+ (Output_section::set_final_data_size): Call
+ sort_attached_input_sections if necessary.
+ (Output_section::Input_section_sort_entry): Define new class.
+ (Output_section::Input_section_sort_compare::operator()): New
+ function.
+ (Output_section::sort_attached_input_sections): New function.
+ * configure.ac: Check whether the compiler supports constructor
+ priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
+ * testsuite/initpri1.c: New file.
+ * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
+ CONSTRUCTOR_PRIORITY.
+ (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
+ (initpri1_LDFLAGS): New variable.
+ * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
+
2008-03-27 Ian Lance Taylor <iant@google.com>
* common.cc (Sort_commons::operator): Correct sorting algorithm.
CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
+CONSTRUCTOR_PRIORITY_FALSE = @CONSTRUCTOR_PRIORITY_FALSE@
+CONSTRUCTOR_PRIORITY_TRUE = @CONSTRUCTOR_PRIORITY_TRUE@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CXX = @CXX@
# include <unistd.h>
#endif"
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar THREADS_TRUE THREADS_FALSE TARGETOBJS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE CXX CXXFLAGS ac_ct_CXX CXXDEPMODE am__fastdepCXX_TRUE am__fastdepCXX_FALSE YACC RANLIB ac_ct_RANLIB LN_S USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS DATADIRNAME INSTOBJEXT GENCAT CATOBJEXT MKINSTALLDIRS MSGFMT MSGMERGE NATIVE_LINKER_TRUE NATIVE_LINKER_FALSE GCC_TRUE GCC_FALSE OBJDUMP_AND_CPPFILT_TRUE OBJDUMP_AND_CPPFILT_FALSE READELF_TRUE READELF_FALSE FN_PTRS_IN_SO_WITHOUT_PIC_TRUE FN_PTRS_IN_SO_WITHOUT_PIC_FALSE TLS_TRUE TLS_FALSE STATIC_TLS_TRUE STATIC_TLS_FALSE WARN_CFLAGS NO_WERROR WARN_CXXFLAGS LFS_CFLAGS LIBOBJS CPP EGREP CXXCPP MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar THREADS_TRUE THREADS_FALSE TARGETOBJS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE CXX CXXFLAGS ac_ct_CXX CXXDEPMODE am__fastdepCXX_TRUE am__fastdepCXX_FALSE YACC RANLIB ac_ct_RANLIB LN_S USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS DATADIRNAME INSTOBJEXT GENCAT CATOBJEXT MKINSTALLDIRS MSGFMT MSGMERGE NATIVE_LINKER_TRUE NATIVE_LINKER_FALSE GCC_TRUE GCC_FALSE OBJDUMP_AND_CPPFILT_TRUE OBJDUMP_AND_CPPFILT_FALSE READELF_TRUE READELF_FALSE FN_PTRS_IN_SO_WITHOUT_PIC_TRUE FN_PTRS_IN_SO_WITHOUT_PIC_FALSE TLS_TRUE TLS_FALSE STATIC_TLS_TRUE STATIC_TLS_FALSE CONSTRUCTOR_PRIORITY_TRUE CONSTRUCTOR_PRIORITY_FALSE WARN_CFLAGS NO_WERROR WARN_CXXFLAGS LFS_CFLAGS LIBOBJS CPP EGREP CXXCPP MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LTLIBOBJS'
ac_subst_files=''
# Initialize some variables set by options.
fi
+echo "$as_me:$LINENO: checking for constructor priorities" >&5
+echo $ECHO_N "checking for constructor priorities... $ECHO_C" >&6
+if test "${gold_cv_c_conprio+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+void f() __attribute__ ((constructor (1)));
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ gold_cv_c_conprio=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+gold_cv_c_conprio=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $gold_cv_c_conprio" >&5
+echo "${ECHO_T}$gold_cv_c_conprio" >&6
+
+
+
+if test "$gold_cv_c_conprio" = "yes"; then
+ CONSTRUCTOR_PRIORITY_TRUE=
+ CONSTRUCTOR_PRIORITY_FALSE='#'
+else
+ CONSTRUCTOR_PRIORITY_TRUE='#'
+ CONSTRUCTOR_PRIORITY_FALSE=
+fi
+
+
GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
Usually this means the macro was only invoked conditionally." >&2;}
{ (exit 1); exit 1; }; }
fi
+if test -z "${CONSTRUCTOR_PRIORITY_TRUE}" && test -z "${CONSTRUCTOR_PRIORITY_FALSE}"; then
+ { { echo "$as_me:$LINENO: error: conditional \"CONSTRUCTOR_PRIORITY\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+echo "$as_me: error: conditional \"CONSTRUCTOR_PRIORITY\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+ { (exit 1); exit 1; }; }
+fi
if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
{ { echo "$as_me:$LINENO: error: conditional \"MAINTAINER_MODE\" was never defined.
Usually this means the macro was only invoked conditionally." >&5
s,@TLS_FALSE@,$TLS_FALSE,;t t
s,@STATIC_TLS_TRUE@,$STATIC_TLS_TRUE,;t t
s,@STATIC_TLS_FALSE@,$STATIC_TLS_FALSE,;t t
+s,@CONSTRUCTOR_PRIORITY_TRUE@,$CONSTRUCTOR_PRIORITY_TRUE,;t t
+s,@CONSTRUCTOR_PRIORITY_FALSE@,$CONSTRUCTOR_PRIORITY_FALSE,;t t
s,@WARN_CFLAGS@,$WARN_CFLAGS,;t t
s,@NO_WERROR@,$NO_WERROR,;t t
s,@WARN_CXXFLAGS@,$WARN_CXXFLAGS,;t t
AM_CONDITIONAL(STATIC_TLS, test "$gold_cv_lib_glibc24" = "yes")
+dnl Check whether the compiler supports constructor priorities in
+dnl attributes, which were added in gcc 4.3.
+AC_CACHE_CHECK([for constructor priorities], [gold_cv_c_conprio],
+[AC_COMPILE_IFELSE([void f() __attribute__ ((constructor (1)));],
+[gold_cv_c_conprio=yes], [gold_cv_c_conprio=no])])
+
+AM_CONDITIONAL(CONSTRUCTOR_PRIORITY, test "$gold_cv_c_conprio" = "yes")
+
AM_BINUTILS_WARNINGS
WARN_CXXFLAGS=`echo ${WARN_CFLAGS} | sed -e 's/-Wstrict-prototypes//' -e 's/-Wmissing-prototypes//'`
return NULL;
}
+ // By default the GNU linker sorts input sections whose names match
+ // .ctor.*, .dtor.*, .init_array.*, or .fini_array.*. The sections
+ // are sorted by name. This is used to implement constructor
+ // priority ordering. We are compatible.
+ if (!this->script_options_->saw_sections_clause()
+ && (is_prefix_of(".ctors.", name)
+ || is_prefix_of(".dtors.", name)
+ || is_prefix_of(".init_array.", name)
+ || is_prefix_of(".fini_array.", name)))
+ os->set_must_sort_attached_input_sections();
+
// FIXME: Handle SHF_LINK_ORDER somewhere.
*off = os->add_input_section(object, shndx, name, shdr, reloc_shndx,
else
this->attach_to_segment(os, flags);
+ // The GNU linker by default sorts some sections by priority, so we
+ // do the same. We need to know that this might happen before we
+ // attach any input sections.
+ if (!this->script_options_->saw_sections_clause()
+ && (strcmp(name, ".ctors") == 0
+ || strcmp(name, ".dtors") == 0
+ || strcmp(name, ".init_array") == 0
+ || strcmp(name, ".fini_array") == 0))
+ os->set_may_sort_attached_input_sections();
+
return os;
}
found_in_sections_clause_(false),
has_load_address_(false),
info_uses_section_index_(false),
+ may_sort_attached_input_sections_(false),
+ must_sort_attached_input_sections_(false),
+ attached_input_sections_are_sorted_(false),
tls_offset_(0)
{
// An unallocated section has no address. Forcing this means that
+ shdr.get_sh_size());
// We need to keep track of this section if we are already keeping
- // track of sections, or if we are relaxing. FIXME: Add test for
+ // track of sections, or if we are relaxing. Also, if this is a
+ // section which requires sorting, or which may require sorting in
+ // the future, we keep track of the sections. FIXME: Add test for
// relaxing.
- if (have_sections_script || !this->input_sections_.empty())
+ if (have_sections_script
+ || !this->input_sections_.empty()
+ || this->may_sort_attached_input_sections()
+ || this->must_sort_attached_input_sections())
this->input_sections_.push_back(Input_section(object, shndx,
shdr.get_sh_size(),
addralign));
return;
}
+ if (this->must_sort_attached_input_sections())
+ this->sort_attached_input_sections();
+
uint64_t address = this->address();
off_t startoff = this->offset();
off_t off = startoff + this->first_input_offset_;
this->tls_offset_ = this->address() - tls_base;
}
+// In a few cases we need to sort the input sections attached to an
+// output section. This is used to implement the type of constructor
+// priority ordering implemented by the GNU linker, in which the
+// priority becomes part of the section name and the sections are
+// sorted by name. We only do this for an output section if we see an
+// attached input section matching ".ctor.*", ".dtor.*",
+// ".init_array.*" or ".fini_array.*".
+
+class Output_section::Input_section_sort_entry
+{
+ public:
+ Input_section_sort_entry()
+ : input_section_(), index_(-1U), section_has_name_(false),
+ section_name_()
+ { }
+
+ Input_section_sort_entry(const Input_section& input_section,
+ unsigned int index)
+ : input_section_(input_section), index_(index),
+ section_has_name_(input_section.is_input_section())
+ {
+ if (this->section_has_name_)
+ {
+ // This is only called single-threaded from Layout::finalize,
+ // so it is OK to lock. Unfortunately we have no way to pass
+ // in a Task token.
+ const Task* dummy_task = reinterpret_cast<const Task*>(-1);
+ Object* obj = input_section.relobj();
+ Task_lock_obj<Object> tl(dummy_task, obj);
+
+ // This is a slow operation, which should be cached in
+ // Layout::layout if this becomes a speed problem.
+ this->section_name_ = obj->section_name(input_section.shndx());
+ }
+ }
+
+ // Return the Input_section.
+ const Input_section&
+ input_section() const
+ {
+ gold_assert(this->index_ != -1U);
+ return this->input_section_;
+ }
+
+ // The index of this entry in the original list. This is used to
+ // make the sort stable.
+ unsigned int
+ index() const
+ {
+ gold_assert(this->index_ != -1U);
+ return this->index_;
+ }
+
+ // Whether there is a section name.
+ bool
+ section_has_name() const
+ { return this->section_has_name_; }
+
+ // The section name.
+ const std::string&
+ section_name() const
+ {
+ gold_assert(this->section_has_name_);
+ return this->section_name_;
+ }
+
+ // Return true if the section name is either SECTION_NAME1 or
+ // SECTION_NAME2.
+ bool
+ match_section_name(const char* section_name1, const char* section_name2) const
+ {
+ gold_assert(this->section_has_name_);
+ return (this->section_name_ == section_name1
+ || this->section_name_ == section_name2);
+ }
+
+ // Return true if PREFIX1 or PREFIX2 is a prefix of the section
+ // name.
+ bool
+ match_section_name_prefix(const char* prefix1, const char* prefix2) const
+ {
+ gold_assert(this->section_has_name_);
+ return (this->section_name_.compare(0, strlen(prefix1), prefix1) == 0
+ || this->section_name_.compare(0, strlen(prefix2), prefix2) == 0);
+ }
+
+ // Return true if this is for a section named SECTION_NAME1 or
+ // SECTION_NAME2 in an input file whose base name matches FILE_NAME.
+ // The base name must have an extension of ".o", and must be exactly
+ // FILE_NAME.o or FILE_NAME, one character, ".o". This is to match
+ // crtbegin.o as well as crtbeginS.o without getting confused by
+ // other possibilities. Overall matching the file name this way is
+ // a dreadful hack, but the GNU linker does it in order to better
+ // support gcc, and we need to be compatible.
+ bool
+ match_section_file(const char* section_name1, const char* section_name2,
+ const char* match_file_name) const
+ {
+ gold_assert(this->section_has_name_);
+ if (this->section_name_ != section_name1
+ && this->section_name_ != section_name2)
+ return false;
+ const std::string& file_name(this->input_section_.relobj()->name());
+ const char* base_name = lbasename(file_name.c_str());
+ size_t match_len = strlen(match_file_name);
+ if (strncmp(base_name, match_file_name, match_len) != 0)
+ return false;
+ size_t base_len = strlen(base_name);
+ if (base_len != match_len + 2 && base_len != match_len + 3)
+ return false;
+ return memcmp(base_name + base_len - 2, ".o", 2) == 0;
+ }
+
+ private:
+ // The Input_section we are sorting.
+ Input_section input_section_;
+ // The index of this Input_section in the original list.
+ unsigned int index_;
+ // Whether this Input_section has a section name--it won't if this
+ // is some random Output_section_data.
+ bool section_has_name_;
+ // The section name if there is one.
+ std::string section_name_;
+};
+
+// Return true if S1 should come before S2 in the output section.
+
+bool
+Output_section::Input_section_sort_compare::operator()(
+ const Output_section::Input_section_sort_entry& s1,
+ const Output_section::Input_section_sort_entry& s2) const
+{
+ // We sort all the sections with no names to the end.
+ if (!s1.section_has_name() || !s2.section_has_name())
+ {
+ if (s1.section_has_name())
+ return true;
+ if (s2.section_has_name())
+ return false;
+ return s1.index() < s2.index();
+ }
+
+ // A .ctors or .dtors section from crtbegin.o must come before any
+ // other .ctors* or .dtors* section.
+ bool s1_begin = s1.match_section_file(".ctors", ".dtors", "crtbegin");
+ bool s2_begin = s2.match_section_file(".ctors", ".dtors", "crtbegin");
+ if (s1_begin || s2_begin)
+ {
+ if (!s1_begin)
+ return false;
+ if (!s2_begin)
+ return true;
+ return s1.index() < s2.index();
+ }
+
+ // A .ctors or .dtors section from crtend.o must come after any
+ // other .ctors* or .dtors* section.
+ bool s1_end = s1.match_section_file(".ctors", ".dtors", "crtend");
+ bool s2_end = s2.match_section_file(".ctors", ".dtors", "crtend");
+ if (s1_end || s2_end)
+ {
+ if (!s1_end)
+ return true;
+ if (!s2_end)
+ return false;
+ return s1.index() < s2.index();
+ }
+
+ // A .ctors or .init_array section with a priority precedes a .ctors
+ // or .init_array section without a priority.
+ if (s1.match_section_name_prefix(".ctors.", ".init_array.")
+ && s2.match_section_name(".ctors", ".init_array"))
+ return true;
+ if (s2.match_section_name_prefix(".ctors.", ".init_array.")
+ && s1.match_section_name(".ctors", ".init_array"))
+ return false;
+
+ // A .dtors or .fini_array section with a priority follows a .dtors
+ // or .fini_array section without a priority.
+ if (s1.match_section_name_prefix(".dtors.", ".fini_array.")
+ && s2.match_section_name(".dtors", ".fini_array"))
+ return false;
+ if (s2.match_section_name_prefix(".dtors.", ".fini_array.")
+ && s1.match_section_name(".dtors", ".fini_array"))
+ return true;
+
+ // Otherwise we sort by name.
+ int compare = s1.section_name().compare(s2.section_name());
+ if (compare != 0)
+ return compare < 0;
+
+ // Otherwise we keep the input order.
+ return s1.index() < s2.index();
+}
+
+// Sort the input sections attached to an output section.
+
+void
+Output_section::sort_attached_input_sections()
+{
+ if (this->attached_input_sections_are_sorted_)
+ return;
+
+ // The only thing we know about an input section is the object and
+ // the section index. We need the section name. Recomputing this
+ // is slow but this is an unusual case. If this becomes a speed
+ // problem we can cache the names as required in Layout::layout.
+
+ // We start by building a larger vector holding a copy of each
+ // Input_section, plus its current index in the list and its name.
+ std::vector<Input_section_sort_entry> sort_list;
+
+ unsigned int i = 0;
+ for (Input_section_list::iterator p = this->input_sections_.begin();
+ p != this->input_sections_.end();
+ ++p, ++i)
+ sort_list.push_back(Input_section_sort_entry(*p, i));
+
+ // Sort the input sections.
+ std::sort(sort_list.begin(), sort_list.end(), Input_section_sort_compare());
+
+ // Copy the sorted input sections back to our list.
+ this->input_sections_.clear();
+ for (std::vector<Input_section_sort_entry>::iterator p = sort_list.begin();
+ p != sort_list.end();
+ ++p)
+ this->input_sections_.push_back(p->input_section());
+
+ // Remember that we sorted the input sections, since we might get
+ // called again.
+ this->attached_input_sections_are_sorted_ = true;
+}
+
// Write the section header to *OSHDR.
template<int size, bool big_endian>
this->dynsym_index_ = index;
}
+ // Return whether the input sections sections attachd to this output
+ // section may require sorting. This is used to handle constructor
+ // priorities compatibly with GNU ld.
+ bool
+ may_sort_attached_input_sections() const
+ { return this->may_sort_attached_input_sections_; }
+
+ // Record that the input sections attached to this output section
+ // may require sorting.
+ void
+ set_may_sort_attached_input_sections()
+ { this->may_sort_attached_input_sections_ = true; }
+
+ // Return whether the input sections attached to this output section
+ // require sorting. This is used to handle constructor priorities
+ // compatibly with GNU ld.
+ bool
+ must_sort_attached_input_sections() const
+ { return this->must_sort_attached_input_sections_; }
+
+ // Record that the input sections attached to this output section
+ // require sorting.
+ void
+ set_must_sort_attached_input_sections()
+ { this->must_sort_attached_input_sections_ = true; }
+
// Return whether this section should be written after all the input
// sections are complete.
bool
typedef std::vector<Input_section> Input_section_list;
+ // This class is used to sort the input sections.
+ class Input_section_sort_entry;
+
+ // This is the sort comparison function.
+ struct Input_section_sort_compare
+ {
+ bool
+ operator()(const Input_section_sort_entry&,
+ const Input_section_sort_entry&) const;
+ };
+
// Fill data. This is used to fill in data between input sections.
// It is also used for data statements (BYTE, WORD, etc.) in linker
// scripts. When we have to keep track of the input sections, we
add_output_merge_section(Output_section_data* posd, bool is_string,
uint64_t entsize);
+ // Sort the attached input sections.
+ void
+ sort_attached_input_sections();
+
// Most of these fields are only valid after layout.
// The name of the section. This will point into a Stringpool.
// section, false if it means the symbol index of the corresponding
// section symbol.
bool info_uses_section_index_ : 1;
+ // True if the input sections attached to this output section may
+ // need sorting.
+ bool may_sort_attached_input_sections_ : 1;
+ // True if the input sections attached to this output section must
+ // be sorted.
+ bool must_sort_attached_input_sections_ : 1;
+ // True if the input sections attached to this output section have
+ // already been sorted.
+ bool attached_input_sections_are_sorted_ : 1;
// For SHT_TLS sections, the offset of this section relative to the base
// of the TLS segment.
uint64_t tls_offset_;
endif TLS
+if CONSTRUCTOR_PRIORITY
+
+check_PROGRAMS += initpri1
+initpri1_SOURCES = initpri1.c
+initpri1_DEPENDENCIES = gcctestdir/ld
+initpri1_LDFLAGS = -Bgcctestdir/
+
+endif
+
+
# Test --detect-odr-violations
check_SCRIPTS += debug_msg.sh
check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
$(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
$(am__EXEEXT_4) $(am__EXEEXT_5) $(am__EXEEXT_6) \
- $(am__EXEEXT_7) $(am__EXEEXT_8)
+ $(am__EXEEXT_7) $(am__EXEEXT_8) $(am__EXEEXT_9)
@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_1 = basic_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ basic_static_test basic_pic_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ basic_static_pic_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@@STATIC_TLS_TRUE@@TLS_TRUE@am__append_5 = tls_static_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@@STATIC_TLS_TRUE@@TLS_TRUE@ tls_static_pic_test
@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@am__append_6 = tls_shared_nonpic_test
+@CONSTRUCTOR_PRIORITY_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_7 = initpri1
+@CONSTRUCTOR_PRIORITY_FALSE@initpri1_DEPENDENCIES = libgoldtest.a \
+@CONSTRUCTOR_PRIORITY_FALSE@ ../libgold.a \
+@CONSTRUCTOR_PRIORITY_FALSE@ ../../libiberty/libiberty.a \
+@CONSTRUCTOR_PRIORITY_FALSE@ $(am__DEPENDENCIES_1) \
+@CONSTRUCTOR_PRIORITY_FALSE@ $(am__DEPENDENCIES_1)
+@GCC_FALSE@initpri1_DEPENDENCIES = libgoldtest.a ../libgold.a \
+@GCC_FALSE@ ../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
+@GCC_FALSE@ $(am__DEPENDENCIES_1)
+@NATIVE_LINKER_FALSE@initpri1_DEPENDENCIES = libgoldtest.a \
+@NATIVE_LINKER_FALSE@ ../libgold.a ../../libiberty/libiberty.a \
+@NATIVE_LINKER_FALSE@ $(am__DEPENDENCIES_1) \
+@NATIVE_LINKER_FALSE@ $(am__DEPENDENCIES_1)
# Test --detect-odr-violations
# Similar to --detect-odr-violations: check for undefined symbols in .so's
-@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_7 = debug_msg.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_8 = debug_msg.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ undef_symbol.sh
# Create the data files that debug_msg.sh analyzes.
# We also want to make sure we do something reasonable when there's no
# debug info available. For the best test, we use .so's.
-@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_8 = debug_msg.err \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_9 = debug_msg.err \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ debug_msg_so.err \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ debug_msg_ndebug.err \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ undef_symbol.err
-@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_9 = debug_msg.err \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_10 = debug_msg.err \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ debug_msg_so.err \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ debug_msg_ndebug.err \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ undef_symbol.err
# sections, because it requires output-file resizing.
# Test symbol versioning.
-@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_10 = flagstest_compress_debug_sections \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_11 = flagstest_compress_debug_sections \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ flagstest_o_specialfile \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ flagstest_o_specialfile_and_compress_debug_sections \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test ver_test_2 ver_test_6 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_1 script_test_2 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ justsyms binary_test
-@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@am__append_11 = \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@am__append_12 = \
@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@ ver_test_2.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@ ver_test_5.sh
-@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@am__append_12 = \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@am__append_13 = \
@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@ ver_test_2.syms \
@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@ ver_test_5.syms
@GCC_FALSE@script_test_1_DEPENDENCIES = libgoldtest.a ../libgold.a \
@NATIVE_LINKER_FALSE@ ../libgold.a ../../libiberty/libiberty.a \
@NATIVE_LINKER_FALSE@ $(am__DEPENDENCIES_1) \
@NATIVE_LINKER_FALSE@ $(am__DEPENDENCIES_1)
-@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__append_13 = ver_matching_test.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__append_14 = ver_matching_test.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@ script_test_3.sh
-@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__append_14 = ver_matching_test.stdout \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@ script_test_3.stdout
@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__append_15 = ver_matching_test.stdout \
@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@ script_test_3.stdout
-@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__append_16 = script_test_3
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__append_16 = ver_matching_test.stdout \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@ script_test_3.stdout
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__append_17 = script_test_3
subdir = testsuite
DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@GCC_TRUE@@NATIVE_LINKER_TRUE@@STATIC_TLS_TRUE@@TLS_TRUE@am__EXEEXT_5 = tls_static_test$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@@STATIC_TLS_TRUE@@TLS_TRUE@ tls_static_pic_test$(EXEEXT)
@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@am__EXEEXT_6 = tls_shared_nonpic_test$(EXEEXT)
-@GCC_TRUE@@NATIVE_LINKER_TRUE@am__EXEEXT_7 = flagstest_compress_debug_sections$(EXEEXT) \
+@CONSTRUCTOR_PRIORITY_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@am__EXEEXT_7 = initpri1$(EXEEXT)
+@GCC_TRUE@@NATIVE_LINKER_TRUE@am__EXEEXT_8 = flagstest_compress_debug_sections$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ flagstest_o_specialfile$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ flagstest_o_specialfile_and_compress_debug_sections$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ justsyms$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ binary_test$(EXEEXT)
-@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__EXEEXT_8 = script_test_3$(EXEEXT)
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__EXEEXT_9 = script_test_3$(EXEEXT)
basic_pic_test_SOURCES = basic_pic_test.c
basic_pic_test_OBJECTS = basic_pic_test.$(OBJEXT)
basic_pic_test_LDADD = $(LDADD)
flagstest_o_specialfile_and_compress_debug_sections_DEPENDENCIES = \
libgoldtest.a ../libgold.a ../../libiberty/libiberty.a \
$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
+am__initpri1_SOURCES_DIST = initpri1.c
+@CONSTRUCTOR_PRIORITY_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@am_initpri1_OBJECTS = initpri1.$(OBJEXT)
+initpri1_OBJECTS = $(am_initpri1_OBJECTS)
+initpri1_LDADD = $(LDADD)
am__justsyms_SOURCES_DIST = justsyms_1.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@am_justsyms_OBJECTS = \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ justsyms_1.$(OBJEXT)
$(exception_static_test_SOURCES) $(exception_test_SOURCES) \
flagstest_compress_debug_sections.c flagstest_o_specialfile.c \
flagstest_o_specialfile_and_compress_debug_sections.c \
- $(justsyms_SOURCES) $(object_unittest_SOURCES) \
- $(script_test_1_SOURCES) $(script_test_2_SOURCES) \
- script_test_3.c $(tls_pic_test_SOURCES) \
- $(tls_shared_ie_test_SOURCES) \
+ $(initpri1_SOURCES) $(justsyms_SOURCES) \
+ $(object_unittest_SOURCES) $(script_test_1_SOURCES) \
+ $(script_test_2_SOURCES) script_test_3.c \
+ $(tls_pic_test_SOURCES) $(tls_shared_ie_test_SOURCES) \
$(tls_shared_nonpic_test_SOURCES) $(tls_shared_test_SOURCES) \
$(tls_static_pic_test_SOURCES) $(tls_static_test_SOURCES) \
$(tls_test_SOURCES) $(two_file_mixed_2_shared_test_SOURCES) \
$(am__exception_test_SOURCES_DIST) \
flagstest_compress_debug_sections.c flagstest_o_specialfile.c \
flagstest_o_specialfile_and_compress_debug_sections.c \
- $(am__justsyms_SOURCES_DIST) $(object_unittest_SOURCES) \
- $(am__script_test_1_SOURCES_DIST) \
+ $(am__initpri1_SOURCES_DIST) $(am__justsyms_SOURCES_DIST) \
+ $(object_unittest_SOURCES) $(am__script_test_1_SOURCES_DIST) \
$(am__script_test_2_SOURCES_DIST) script_test_3.c \
$(am__tls_pic_test_SOURCES_DIST) \
$(am__tls_shared_ie_test_SOURCES_DIST) \
CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
+CONSTRUCTOR_PRIORITY_FALSE = @CONSTRUCTOR_PRIORITY_FALSE@
+CONSTRUCTOR_PRIORITY_TRUE = @CONSTRUCTOR_PRIORITY_TRUE@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CXX = @CXX@
# .o's), but not all of them (such as .so's and .err files). We
# improve on that here. automake-1.9 info docs say "mostlyclean" is
# the right choice for files 'make' builds that people rebuild.
-MOSTLYCLEANFILES = *.so $(am__append_9) $(am__append_15)
+MOSTLYCLEANFILES = *.so $(am__append_10) $(am__append_16)
# We will add to these later, for each individual test. Note
# that we add each test under check_SCRIPTS or check_PROGRAMS;
# the TESTS variable is automatically populated from these.
-check_SCRIPTS = $(am__append_7) $(am__append_11) $(am__append_13)
-check_DATA = $(am__append_8) $(am__append_12) $(am__append_14)
+check_SCRIPTS = $(am__append_8) $(am__append_12) $(am__append_14)
+check_DATA = $(am__append_9) $(am__append_13) $(am__append_15)
TESTS = $(check_SCRIPTS) $(check_PROGRAMS)
# ---------------------------------------------------------------------
@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@tls_shared_nonpic_test_DEPENDENCIES = gcctestdir/ld tls_test_shared_nonpic.so
@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@tls_shared_nonpic_test_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@tls_shared_nonpic_test_LDADD = tls_test_shared_nonpic.so -lpthread
+@CONSTRUCTOR_PRIORITY_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@initpri1_SOURCES = initpri1.c
+@CONSTRUCTOR_PRIORITY_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@initpri1_DEPENDENCIES = gcctestdir/ld
+@CONSTRUCTOR_PRIORITY_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@initpri1_LDFLAGS = -Bgcctestdir/
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_SOURCES = ver_test_main.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_DEPENDENCIES = gcctestdir/ld ver_test_1.so ver_test_2.so ver_test_4.so
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
@NATIVE_LINKER_FALSE@flagstest_o_specialfile_and_compress_debug_sections$(EXEEXT): $(flagstest_o_specialfile_and_compress_debug_sections_OBJECTS) $(flagstest_o_specialfile_and_compress_debug_sections_DEPENDENCIES)
@NATIVE_LINKER_FALSE@ @rm -f flagstest_o_specialfile_and_compress_debug_sections$(EXEEXT)
@NATIVE_LINKER_FALSE@ $(LINK) $(flagstest_o_specialfile_and_compress_debug_sections_LDFLAGS) $(flagstest_o_specialfile_and_compress_debug_sections_OBJECTS) $(flagstest_o_specialfile_and_compress_debug_sections_LDADD) $(LIBS)
+initpri1$(EXEEXT): $(initpri1_OBJECTS) $(initpri1_DEPENDENCIES)
+ @rm -f initpri1$(EXEEXT)
+ $(LINK) $(initpri1_LDFLAGS) $(initpri1_OBJECTS) $(initpri1_LDADD) $(LIBS)
justsyms$(EXEEXT): $(justsyms_OBJECTS) $(justsyms_DEPENDENCIES)
@rm -f justsyms$(EXEEXT)
$(CXXLINK) $(justsyms_LDFLAGS) $(justsyms_OBJECTS) $(justsyms_LDADD) $(LIBS)
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/flagstest_compress_debug_sections.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/flagstest_o_specialfile.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/flagstest_o_specialfile_and_compress_debug_sections.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/initpri1.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/justsyms_1.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/object_unittest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script_test_1.Po@am__quote@
--- /dev/null
+/* initpri1.c -- test constructor priorities.
+
+ Copyright 2007, 2008 Free Software Foundation, Inc.
+ Copied from the gcc testsuite, where the test was contributed by
+ Mark Mitchell <mark@codesourcery.com>.
+
+ This file is part of gold.
+
+ 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, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA.
+
+ This is a test of a common symbol in the main program and a
+ versioned symbol in a shared library. The common symbol in the
+ main program should override the shared library symbol. */
+
+#include <stdlib.h>
+
+int i;
+int j;
+
+void c1() __attribute__((constructor (500)));
+void c2() __attribute__((constructor (700)));
+void c3() __attribute__((constructor (600)));
+
+void c1() {
+ if (i++ != 0)
+ abort ();
+}
+
+void c2() {
+ if (i++ != 2)
+ abort ();
+}
+
+void c3() {
+ if (i++ != 1)
+ abort ();
+}
+
+void d1() __attribute__((destructor (500)));
+void d2() __attribute__((destructor (700)));
+void d3() __attribute__((destructor (600)));
+
+void d1() {
+ if (--i != 0)
+ abort ();
+}
+
+void d2() {
+ if (--i != 2)
+ abort ();
+}
+
+void d3() {
+ if (j != 2)
+ abort ();
+ if (--i != 1)
+ abort ();
+}
+
+void cd4() __attribute__((constructor (800), destructor (800)));
+
+void cd4() {
+ if (i != 3)
+ abort ();
+ ++j;
+}
+
+int main () {
+ if (i != 3)
+ return 1;
+ if (j != 1)
+ abort ();
+ return 0;
+}
projects / binutils-gdb.git / commitdiff