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-rw-r--r--gold/ChangeLog33
-rw-r--r--gold/layout.cc28
-rw-r--r--gold/layout.h48
-rw-r--r--gold/output.cc161
-rw-r--r--gold/output.h104
-rw-r--r--gold/testsuite/Makefile.am12
-rw-r--r--gold/testsuite/Makefile.in12
7 files changed, 371 insertions, 27 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog
index 740d35a..06d9bb5 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,36 @@
+2011-08-26 Cary Coutant <ccoutant@google.com>
+
+ * layout.cc (Free_list::allocate): Provide guarantee of minimum
+ remaining hole size when allocating.
+ (Layout::make_output_section): Set fill methods for debug sections.
+ * layout.h (Free_list::Free_list_node): Move from private to
+ public.
+ (Free_list::set_min_hole_size): New function.
+ (Free_list::begin, Free_list::end): New functions.
+ (Free_list::min_hole_): New data member.
+ * output.cc: Include dwarf.h.
+ (Output_fill_debug_info::do_minimum_hole_size): New function.
+ (Output_fill_debug_info::do_write): New function.
+ (Output_fill_debug_line::do_minimum_hole_size): New function.
+ (Output_fill_debug_line::do_write): New function.
+ (Output_section::Output_section): Initialize new data member.
+ (Output_section::set_final_data_size): Ensure patch space is larger
+ than minimum hole size.
+ (Output_section::do_write): Fill holes in debug sections.
+ * output.h (Output_fill): New class.
+ (Output_fill_debug_info): New class.
+ (Output_fill_debug_line): New class.
+ (Output_section::set_free_space_fill): New function.
+ (Output_section::free_space_fill_): New data member.
+ * testsuite/Makefile.am (incremental_test_3): Add
+ --incremental-patch option.
+ (incremental_test_4): Likewise.
+ (incremental_test_5): Likewise.
+ (incremental_test_6): Likewise.
+ (incremental_copy_test): Likewise.
+ (incremental_common_test_1): Likewise.
+ * testsuite/Makefile.in: Regenerate.
+
2011-08-26 Nick Clifton <nickc@redhat.com>
* po/es.po: Updated Spanish translation.
diff --git a/gold/layout.cc b/gold/layout.cc
index 44c2e18..afb5b6a 100644
--- a/gold/layout.cc
+++ b/gold/layout.cc
@@ -162,6 +162,11 @@ Free_list::allocate(off_t len, uint64_t align, off_t minoff)
++Free_list::num_allocates;
+ // We usually want to drop free chunks smaller than 4 bytes.
+ // If we need to guarantee a minimum hole size, though, we need
+ // to keep track of all free chunks.
+ const int fuzz = this->min_hole_ > 0 ? 0 : 3;
+
for (Iterator p = this->list_.begin(); p != this->list_.end(); ++p)
{
++Free_list::num_allocate_visits;
@@ -173,13 +178,13 @@ Free_list::allocate(off_t len, uint64_t align, off_t minoff)
this->length_ = end;
p->end_ = end;
}
- if (end <= p->end_)
+ if (end == p->end_ || (end <= p->end_ - this->min_hole_))
{
- if (p->start_ + 3 >= start && p->end_ <= end + 3)
+ if (p->start_ + fuzz >= start && p->end_ <= end + fuzz)
this->list_.erase(p);
- else if (p->start_ + 3 >= start)
+ else if (p->start_ + fuzz >= start)
p->start_ = end;
- else if (p->end_ <= end + 3)
+ else if (p->end_ <= end + fuzz)
p->end_ = start;
else
{
@@ -1440,7 +1445,20 @@ Layout::make_output_section(const char* name, elfcpp::Elf_Word type,
&& strcmp(name, ".ctors") != 0
&& strcmp(name, ".dtors") != 0
&& strcmp(name, ".jcr") != 0)
- os->set_is_patch_space_allowed();
+ {
+ os->set_is_patch_space_allowed();
+
+ // Certain sections require "holes" to be filled with
+ // specific fill patterns. These fill patterns may have
+ // a minimum size, so we must prevent allocations from the
+ // free list that leave a hole smaller than the minimum.
+ if (strcmp(name, ".debug_info") == 0)
+ os->set_free_space_fill(new Output_fill_debug_info(false));
+ else if (strcmp(name, ".debug_types") == 0)
+ os->set_free_space_fill(new Output_fill_debug_info(true));
+ else if (strcmp(name, ".debug_line") == 0)
+ os->set_free_space_fill(new Output_fill_debug_line());
+ }
// If we have already attached the sections to segments, then we
// need to attach this one now. This happens for sections created
diff --git a/gold/layout.h b/gold/layout.h
index 1497f12..05cb50f 100644
--- a/gold/layout.h
+++ b/gold/layout.h
@@ -71,34 +71,60 @@ is_compressed_debug_section(const char* secname);
class Free_list
{
public:
+ struct Free_list_node
+ {
+ Free_list_node(off_t start, off_t end)
+ : start_(start), end_(end)
+ { }
+ off_t start_;
+ off_t end_;
+ };
+ typedef std::list<Free_list_node>::const_iterator Const_iterator;
+
Free_list()
- : list_(), last_remove_(list_.begin()), extend_(false), length_(0)
+ : list_(), last_remove_(list_.begin()), extend_(false), length_(0),
+ min_hole_(0)
{ }
+ // Initialize the free list for a section of length LEN.
+ // If EXTEND is true, free space may be allocated past the end.
void
init(off_t len, bool extend);
+ // Set the minimum hole size that is allowed when allocating
+ // from the free list.
+ void
+ set_min_hole_size(off_t min_hole)
+ { this->min_hole_ = min_hole; }
+
+ // Remove a chunk from the free list.
void
remove(off_t start, off_t end);
+ // Allocate a chunk of space from the free list of length LEN,
+ // with alignment ALIGN, and minimum offset MINOFF.
off_t
allocate(off_t len, uint64_t align, off_t minoff);
+ // Return an iterator for the beginning of the free list.
+ Const_iterator
+ begin() const
+ { return this->list_.begin(); }
+
+ // Return an iterator for the end of the free list.
+ Const_iterator
+ end() const
+ { return this->list_.end(); }
+
+ // Dump the free list (for debugging).
void
dump();
+ // Print usage statistics.
static void
print_stats();
private:
- struct Free_list_node
- {
- Free_list_node(off_t start, off_t end)
- : start_(start), end_(end)
- { }
- off_t start_;
- off_t end_;
- };
typedef std::list<Free_list_node>::iterator Iterator;
// The free list.
@@ -113,6 +139,10 @@ class Free_list
// The total length of the section, segment, or file.
off_t length_;
+ // The minimum hole size allowed. When allocating from the free list,
+ // we must not leave a hole smaller than this.
+ off_t min_hole_;
+
// Statistics:
// The total number of free lists used.
static unsigned int num_lists;
diff --git a/gold/output.cc b/gold/output.cc
index affc6f7..12268c9 100644
--- a/gold/output.cc
+++ b/gold/output.cc
@@ -36,6 +36,7 @@
#include "libiberty.h"
+#include "dwarf.h"
#include "parameters.h"
#include "object.h"
#include "symtab.h"
@@ -1926,6 +1927,140 @@ Output_symtab_xindex::endian_do_write(unsigned char* const oview)
}
}
+// Output_fill_debug_info methods.
+
+// Return the minimum size needed for a dummy compilation unit header.
+
+size_t
+Output_fill_debug_info::do_minimum_hole_size() const
+{
+ // Compile unit header fields: unit_length, version, debug_abbrev_offset,
+ // address_size.
+ const size_t len = 4 + 2 + 4 + 1;
+ // For type units, add type_signature, type_offset.
+ if (this->is_debug_types_)
+ return len + 8 + 4;
+ return len;
+}
+
+// Write a dummy compilation unit header to fill a hole in the
+// .debug_info or .debug_types section.
+
+void
+Output_fill_debug_info::do_write(Output_file* of, off_t off, size_t len) const
+{
+ gold_debug(DEBUG_INCREMENTAL, "fill_debug_info(%08lx, %08lx)", off, len);
+
+ gold_assert(len >= this->do_minimum_hole_size());
+
+ unsigned char* const oview = of->get_output_view(off, len);
+ unsigned char* pov = oview;
+
+ // Write header fields: unit_length, version, debug_abbrev_offset,
+ // address_size.
+ if (this->is_big_endian())
+ {
+ elfcpp::Swap<32, true>::writeval(pov, len - 4);
+ elfcpp::Swap<16, true>::writeval(pov + 4, this->version);
+ elfcpp::Swap<32, true>::writeval(pov + 6, 0);
+ }
+ else
+ {
+ elfcpp::Swap<32, false>::writeval(pov, len - 4);
+ elfcpp::Swap<16, false>::writeval(pov + 4, this->version);
+ elfcpp::Swap<32, false>::writeval(pov + 6, 0);
+ }
+ pov += 4 + 2 + 4;
+ *pov++ = 4;
+
+ // For type units, the additional header fields -- type_signature,
+ // type_offset -- can be filled with zeroes.
+
+ // Fill the remainder of the free space with zeroes. The first
+ // zero should tell the consumer there are no DIEs to read in this
+ // compilation unit.
+ if (pov < oview + len)
+ memset(pov, 0, oview + len - pov);
+
+ of->write_output_view(off, len, oview);
+}
+
+// Output_fill_debug_line methods.
+
+// Return the minimum size needed for a dummy line number program header.
+
+size_t
+Output_fill_debug_line::do_minimum_hole_size() const
+{
+ // Line number program header fields: unit_length, version, header_length,
+ // minimum_instruction_length, default_is_stmt, line_base, line_range,
+ // opcode_base, standard_opcode_lengths[], include_directories, filenames.
+ const size_t len = 4 + 2 + 4 + this->header_length;
+ return len;
+}
+
+// Write a dummy line number program header to fill a hole in the
+// .debug_line section.
+
+void
+Output_fill_debug_line::do_write(Output_file* of, off_t off, size_t len) const
+{
+ gold_debug(DEBUG_INCREMENTAL, "fill_debug_line(%08lx, %08lx)", off, len);
+
+ gold_assert(len >= this->do_minimum_hole_size());
+
+ unsigned char* const oview = of->get_output_view(off, len);
+ unsigned char* pov = oview;
+
+ // Write header fields: unit_length, version, header_length,
+ // minimum_instruction_length, default_is_stmt, line_base, line_range,
+ // opcode_base, standard_opcode_lengths[], include_directories, filenames.
+ // We set the header_length field to cover the entire hole, so the
+ // line number program is empty.
+ if (this->is_big_endian())
+ {
+ elfcpp::Swap<32, true>::writeval(pov, len - 4);
+ elfcpp::Swap<16, true>::writeval(pov + 4, this->version);
+ elfcpp::Swap<32, true>::writeval(pov + 6, len - (4 + 2 + 4));
+ }
+ else
+ {
+ elfcpp::Swap<32, false>::writeval(pov, len - 4);
+ elfcpp::Swap<16, false>::writeval(pov + 4, this->version);
+ elfcpp::Swap<32, false>::writeval(pov + 6, len - (4 + 2 + 4));
+ }
+ pov += 4 + 2 + 4;
+ *pov++ = 1; // minimum_instruction_length
+ *pov++ = 0; // default_is_stmt
+ *pov++ = 0; // line_base
+ *pov++ = 5; // line_range
+ *pov++ = 13; // opcode_base
+ *pov++ = 0; // standard_opcode_lengths[1]
+ *pov++ = 1; // standard_opcode_lengths[2]
+ *pov++ = 1; // standard_opcode_lengths[3]
+ *pov++ = 1; // standard_opcode_lengths[4]
+ *pov++ = 1; // standard_opcode_lengths[5]
+ *pov++ = 0; // standard_opcode_lengths[6]
+ *pov++ = 0; // standard_opcode_lengths[7]
+ *pov++ = 0; // standard_opcode_lengths[8]
+ *pov++ = 1; // standard_opcode_lengths[9]
+ *pov++ = 0; // standard_opcode_lengths[10]
+ *pov++ = 0; // standard_opcode_lengths[11]
+ *pov++ = 1; // standard_opcode_lengths[12]
+ *pov++ = 0; // include_directories (empty)
+ *pov++ = 0; // filenames (empty)
+
+ // Some consumers don't check the header_length field, and simply
+ // start reading the line number program immediately following the
+ // header. For those consumers, we fill the remainder of the free
+ // space with DW_LNS_set_basic_block opcodes. These are effectively
+ // no-ops: the resulting line table program will not create any rows.
+ if (pov < oview + len)
+ memset(pov, elfcpp::DW_LNS_set_basic_block, oview + len - pov);
+
+ of->write_output_view(off, len, oview);
+}
+
// Output_section::Input_section methods.
// Return the current data size. For an input section we store the size here.
@@ -2158,6 +2293,7 @@ Output_section::Output_section(const char* name, elfcpp::Elf_Word type,
checkpoint_(NULL),
lookup_maps_(new Output_section_lookup_maps),
free_list_(),
+ free_space_fill_(NULL),
patch_space_(0)
{
// An unallocated section has no address. Forcing this means that
@@ -2981,7 +3117,10 @@ Output_section::set_final_data_size()
if (this->is_patch_space_allowed_ && parameters->incremental_full())
{
double pct = parameters->options().incremental_patch();
- off_t extra = static_cast<off_t>(data_size * pct);
+ size_t extra = static_cast<size_t>(data_size * pct);
+ if (this->free_space_fill_ != NULL
+ && this->free_space_fill_->minimum_hole_size() > extra)
+ extra = this->free_space_fill_->minimum_hole_size();
off_t new_size = align_address(data_size + extra, this->addralign());
this->patch_space_ = new_size - data_size;
gold_debug(DEBUG_INCREMENTAL,
@@ -3515,6 +3654,26 @@ Output_section::do_write(Output_file* of)
p->write(of);
off = aligned_off + p->data_size();
}
+
+ // For incremental links, fill in unused chunks in debug sections
+ // with dummy compilation unit headers.
+ if (this->free_space_fill_ != NULL)
+ {
+ for (Free_list::Const_iterator p = this->free_list_.begin();
+ p != this->free_list_.end();
+ ++p)
+ {
+ off_t off = p->start_;
+ size_t len = p->end_ - off;
+ this->free_space_fill_->write(of, this->offset() + off, len);
+ }
+ if (this->patch_space_ > 0)
+ {
+ off_t off = this->current_data_size_for_child() - this->patch_space_;
+ this->free_space_fill_->write(of, this->offset() + off,
+ this->patch_space_);
+ }
+ }
}
// If a section requires postprocessing, create the buffer to use.
diff --git a/gold/output.h b/gold/output.h
index 20869e6..1bec2c0 100644
--- a/gold/output.h
+++ b/gold/output.h
@@ -2615,6 +2615,99 @@ class Output_section_lookup_maps
Relaxed_input_sections_by_id relaxed_input_sections_by_id_;
};
+// This abstract base class defines the interface for the
+// types of methods used to fill free space left in an output
+// section during an incremental link. These methods are used
+// to insert dummy compilation units into debug info so that
+// debug info consumers can scan the debug info serially.
+
+class Output_fill
+{
+ public:
+ Output_fill()
+ : is_big_endian_(parameters->target().is_big_endian())
+ { }
+
+ // Return the smallest size chunk of free space that can be
+ // filled with a dummy compilation unit.
+ size_t
+ minimum_hole_size() const
+ { return this->do_minimum_hole_size(); }
+
+ // Write a fill pattern of length LEN at offset OFF in the file.
+ void
+ write(Output_file* of, off_t off, size_t len) const
+ { this->do_write(of, off, len); }
+
+ protected:
+ virtual size_t
+ do_minimum_hole_size() const = 0;
+
+ virtual void
+ do_write(Output_file* of, off_t off, size_t len) const = 0;
+
+ bool
+ is_big_endian() const
+ { return this->is_big_endian_; }
+
+ private:
+ bool is_big_endian_;
+};
+
+// Fill method that introduces a dummy compilation unit in
+// a .debug_info or .debug_types section.
+
+class Output_fill_debug_info : public Output_fill
+{
+ public:
+ Output_fill_debug_info(bool is_debug_types)
+ : is_debug_types_(is_debug_types)
+ { }
+
+ protected:
+ virtual size_t
+ do_minimum_hole_size() const;
+
+ virtual void
+ do_write(Output_file* of, off_t off, size_t len) const;
+
+ private:
+ // Version of the header.
+ static const int version = 4;
+ // True if this is a .debug_types section.
+ bool is_debug_types_;
+};
+
+// Fill method that introduces a dummy compilation unit in
+// a .debug_line section.
+
+class Output_fill_debug_line : public Output_fill
+{
+ public:
+ Output_fill_debug_line()
+ { }
+
+ protected:
+ virtual size_t
+ do_minimum_hole_size() const;
+
+ virtual void
+ do_write(Output_file* of, off_t off, size_t len) const;
+
+ private:
+ // Version of the header. We write a DWARF-3 header because it's smaller
+ // and many tools have not yet been updated to understand the DWARF-4 header.
+ static const int version = 3;
+ // Length of the portion of the header that follows the header_length
+ // field. This includes the following fields:
+ // minimum_instruction_length, default_is_stmt, line_base, line_range,
+ // opcode_base, standard_opcode_lengths[], include_directories, filenames.
+ // The standard_opcode_lengths array is 12 bytes long, and the
+ // include_directories and filenames fields each contain only a single
+ // null byte.
+ static const size_t header_length = 19;
+};
+
// An output section. We don't expect to have too many output
// sections, so we don't bother to do a template on the size.
@@ -3438,6 +3531,15 @@ class Output_section : public Output_data
set_is_patch_space_allowed()
{ this->is_patch_space_allowed_ = true; }
+ // Set a fill method to use for free space left in the output section
+ // during incremental links.
+ void
+ set_free_space_fill(Output_fill* free_space_fill)
+ {
+ this->free_space_fill_ = free_space_fill;
+ this->free_list_.set_min_hole_size(free_space_fill->minimum_hole_size());
+ }
+
// Reserve space within the fixed layout for the section. Used for
// incremental update links.
void
@@ -3913,6 +4015,8 @@ class Output_section : public Output_data
// List of available regions within the section, for incremental
// update links.
Free_list free_list_;
+ // Method for filling chunks of free space.
+ Output_fill* free_space_fill_;
// Amount added as patch space for incremental linking.
off_t patch_space_;
};
diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
index 755c055..ca07f87 100644
--- a/gold/testsuite/Makefile.am
+++ b/gold/testsuite/Makefile.am
@@ -1966,7 +1966,7 @@ MOSTLYCLEANFILES += two_file_test_tmp_3.o
incremental_test_3: two_file_test_1.o two_file_test_1b_v1.o two_file_test_1b.o \
two_file_test_2.o two_file_test_main.o gcctestdir/ld
cp -f two_file_test_1b_v1.o two_file_test_tmp_3.o
- $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ two_file_test_1.o two_file_test_tmp_3.o two_file_test_2.o two_file_test_main.o
+ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ two_file_test_1.o two_file_test_tmp_3.o two_file_test_2.o two_file_test_main.o
@sleep 1
cp -f two_file_test_1b.o two_file_test_tmp_3.o
$(CXXLINK) -Wl,--incremental-update -Bgcctestdir/ two_file_test_1.o two_file_test_tmp_3.o two_file_test_2.o two_file_test_main.o
@@ -1976,7 +1976,7 @@ MOSTLYCLEANFILES += incremental_test_4.base two_file_test_tmp_4.o
incremental_test_4: two_file_test_1.o two_file_test_1b.o two_file_test_2_v1.o \
two_file_test_2.o two_file_test_main.o gcctestdir/ld
cp -f two_file_test_2_v1.o two_file_test_tmp_4.o
- $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ two_file_test_1.o two_file_test_1b.o two_file_test_tmp_4.o two_file_test_main.o
+ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ two_file_test_1.o two_file_test_1b.o two_file_test_tmp_4.o two_file_test_main.o
mv -f incremental_test_4 incremental_test_4.base
@sleep 1
cp -f two_file_test_2.o two_file_test_tmp_4.o
@@ -1988,7 +1988,7 @@ incremental_test_5: two_file_test_1.o two_file_test_1b_v1.o two_file_test_1b.o \
two_file_test_2.o two_file_test_main.o gcctestdir/ld
cp -f two_file_test_1b_v1.o two_file_test_tmp_5.o
$(TEST_AR) rc two_file_test_5.a two_file_test_1.o two_file_test_tmp_5.o two_file_test_2.o
- $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ two_file_test_main.o two_file_test_5.a
+ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ two_file_test_main.o two_file_test_5.a
@sleep 1
cp -f two_file_test_1b.o two_file_test_tmp_5.o
$(TEST_AR) rc two_file_test_5.a two_file_test_1.o two_file_test_tmp_5.o two_file_test_2.o
@@ -2002,7 +2002,7 @@ incremental_test_6: two_file_test_1.o two_file_test_1b_v1.o two_file_test_1b.o \
two_file_test_2.o two_file_test_main.o gcctestdir/ld
cp -f two_file_test_1b.o two_file_test_tmp_6.o
$(TEST_AR) rc two_file_test_6.a two_file_test_1.o two_file_test_tmp_6.o two_file_test_2.o
- $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ two_file_test_main.o two_file_test_6.a
+ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ two_file_test_main.o two_file_test_6.a
@sleep 1
cp -f two_file_test_1b_v1.o two_file_test_tmp_6.o
$(TEST_AR) rc two_file_test_6.a two_file_test_1.o two_file_test_tmp_6.o two_file_test_2.o
@@ -2011,7 +2011,7 @@ incremental_test_6: two_file_test_1.o two_file_test_1b_v1.o two_file_test_1b.o \
check_PROGRAMS += incremental_copy_test
incremental_copy_test: copy_test_v1.o copy_test.o copy_test_1.so copy_test_2.so
cp -f copy_test_v1.o copy_test_tmp.o
- $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ -Wl,-R,. copy_test_tmp.o copy_test_1.so copy_test_2.so
+ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ -Wl,-R,. copy_test_tmp.o copy_test_1.so copy_test_2.so
@sleep 1
cp -f copy_test.o copy_test_tmp.o
$(CXXLINK) -Wl,--incremental-update -Bgcctestdir/ -Wl,-R,. copy_test_tmp.o copy_test_1.so copy_test_2.so
@@ -2019,7 +2019,7 @@ incremental_copy_test: copy_test_v1.o copy_test.o copy_test_1.so copy_test_2.so
check_PROGRAMS += incremental_common_test_1
incremental_common_test_1: common_test_1_v1.o common_test_1_v2.o gcctestdir/ld
cp -f common_test_1_v1.o common_test_1_tmp.o
- $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ common_test_1_tmp.o
+ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ common_test_1_tmp.o
@sleep 1
cp -f common_test_1_v2.o common_test_1_tmp.o
$(CXXLINK) -Wl,--incremental-update -Bgcctestdir/ common_test_1_tmp.o
diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
index d937b7d..f0339fd 100644
--- a/gold/testsuite/Makefile.in
+++ b/gold/testsuite/Makefile.in
@@ -4942,14 +4942,14 @@ uninstall-am:
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@incremental_test_3: two_file_test_1.o two_file_test_1b_v1.o two_file_test_1b.o \
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_test_2.o two_file_test_main.o gcctestdir/ld
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f two_file_test_1b_v1.o two_file_test_tmp_3.o
-@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ two_file_test_1.o two_file_test_tmp_3.o two_file_test_2.o two_file_test_main.o
+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ two_file_test_1.o two_file_test_tmp_3.o two_file_test_2.o two_file_test_main.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ @sleep 1
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f two_file_test_1b.o two_file_test_tmp_3.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-update -Bgcctestdir/ two_file_test_1.o two_file_test_tmp_3.o two_file_test_2.o two_file_test_main.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@incremental_test_4: two_file_test_1.o two_file_test_1b.o two_file_test_2_v1.o \
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_test_2.o two_file_test_main.o gcctestdir/ld
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f two_file_test_2_v1.o two_file_test_tmp_4.o
-@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ two_file_test_1.o two_file_test_1b.o two_file_test_tmp_4.o two_file_test_main.o
+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ two_file_test_1.o two_file_test_1b.o two_file_test_tmp_4.o two_file_test_main.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ mv -f incremental_test_4 incremental_test_4.base
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ @sleep 1
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f two_file_test_2.o two_file_test_tmp_4.o
@@ -4958,7 +4958,7 @@ uninstall-am:
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_test_2.o two_file_test_main.o gcctestdir/ld
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f two_file_test_1b_v1.o two_file_test_tmp_5.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_AR) rc two_file_test_5.a two_file_test_1.o two_file_test_tmp_5.o two_file_test_2.o
-@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ two_file_test_main.o two_file_test_5.a
+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ two_file_test_main.o two_file_test_5.a
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ @sleep 1
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f two_file_test_1b.o two_file_test_tmp_5.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_AR) rc two_file_test_5.a two_file_test_1.o two_file_test_tmp_5.o two_file_test_2.o
@@ -4967,20 +4967,20 @@ uninstall-am:
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_test_2.o two_file_test_main.o gcctestdir/ld
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f two_file_test_1b.o two_file_test_tmp_6.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_AR) rc two_file_test_6.a two_file_test_1.o two_file_test_tmp_6.o two_file_test_2.o
-@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ two_file_test_main.o two_file_test_6.a
+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ two_file_test_main.o two_file_test_6.a
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ @sleep 1
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f two_file_test_1b_v1.o two_file_test_tmp_6.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_AR) rc two_file_test_6.a two_file_test_1.o two_file_test_tmp_6.o two_file_test_2.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-update -Bgcctestdir/ two_file_test_main.o -Wl,--incremental-unchanged two_file_test_6.a -Wl,--incremental-unknown
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@incremental_copy_test: copy_test_v1.o copy_test.o copy_test_1.so copy_test_2.so
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f copy_test_v1.o copy_test_tmp.o
-@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ -Wl,-R,. copy_test_tmp.o copy_test_1.so copy_test_2.so
+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ -Wl,-R,. copy_test_tmp.o copy_test_1.so copy_test_2.so
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ @sleep 1
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f copy_test.o copy_test_tmp.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-update -Bgcctestdir/ -Wl,-R,. copy_test_tmp.o copy_test_1.so copy_test_2.so
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@incremental_common_test_1: common_test_1_v1.o common_test_1_v2.o gcctestdir/ld
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f common_test_1_v1.o common_test_1_tmp.o
-@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full -Bgcctestdir/ common_test_1_tmp.o
+@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-full,--incremental-patch=100 -Bgcctestdir/ common_test_1_tmp.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ @sleep 1
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ cp -f common_test_1_v2.o common_test_1_tmp.o
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Wl,--incremental-update -Bgcctestdir/ common_test_1_tmp.o