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[binutils-gdb] Fix bug with grouping sections.


https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=3ca25b560af813ca576821b500a0f0885829b500

commit 3ca25b560af813ca576821b500a0f0885829b500
Author: Cary Coutant <ccoutant@gmail.com>
Date:   Thu Jun 23 09:45:25 2016 -0700

    Fix bug with grouping sections.
    
    The fix for PR 15370 did not correctly check all patterns in a group,
    but instead threw all unassigned sections into the group. This patch
    fixes that.
    
    2016-06-23  Cary Coutant  <ccoutant@gmail.com>
    	    Igor Kudrin  <ikudrin@accesssoftek.com>
    
    gold/
    	PR gold/15370
    	* script-sections.cc
    	(Output_section_element_input::set_section_addresses): Keep bin_count
    	separate from input_pattern_count.
    	* testsuite/script_test_12.t: Add another section .x4.
    	* testsuite/script_test_12i.t: Likewise.
    	* testsuite/script_test_12a.c: Likewise.
    	* testsuite/script_test_12b.c: Likewise.

Diff:
---
 gold/ChangeLog                   | 12 ++++++++++++
 gold/script-sections.cc          | 13 +++++++------
 gold/testsuite/script_test_12.t  |  1 +
 gold/testsuite/script_test_12a.c |  1 +
 gold/testsuite/script_test_12b.c |  1 +
 gold/testsuite/script_test_12i.t |  1 +
 6 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/gold/ChangeLog b/gold/ChangeLog
index 012b682..0bf521d 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,15 @@
+2016-06-23  Cary Coutant  <ccoutant@gmail.com>
+	    Igor Kudrin  <ikudrin@accesssoftek.com>
+
+	PR gold/15370
+	* script-sections.cc
+	(Output_section_element_input::set_section_addresses): Keep bin_count
+	separate from input_pattern_count.
+	* testsuite/script_test_12.t: Add another section .x4.
+	* testsuite/script_test_12i.t: Likewise.
+	* testsuite/script_test_12a.c: Likewise.
+	* testsuite/script_test_12b.c: Likewise.
+
 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 
 	* gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
diff --git a/gold/script-sections.cc b/gold/script-sections.cc
index c42827f..ef82953 100644
--- a/gold/script-sections.cc
+++ b/gold/script-sections.cc
@@ -1595,6 +1595,7 @@ Output_section_element_input::set_section_addresses(
 
   typedef std::vector<std::vector<Input_section_info> > Matching_sections;
   size_t input_pattern_count = this->input_section_patterns_.size();
+  size_t bin_count = 1;
   bool any_patterns_with_sort = false;
   for (size_t i = 0; i < input_pattern_count; ++i)
     {
@@ -1602,9 +1603,9 @@ Output_section_element_input::set_section_addresses(
       if (isp.sort != SORT_WILDCARD_NONE)
 	any_patterns_with_sort = true;
     }
-  if (input_pattern_count == 0 || !any_patterns_with_sort)
-    input_pattern_count = 1;
-  Matching_sections matching_sections(input_pattern_count);
+  if (any_patterns_with_sort)
+    bin_count = input_pattern_count;
+  Matching_sections matching_sections(bin_count);
 
   // Look through the list of sections for this output section.  Add
   // each one which matches to one of the elements of
@@ -1661,11 +1662,11 @@ Output_section_element_input::set_section_addresses(
 		break;
 	    }
 
-	  if (i >= this->input_section_patterns_.size())
+	  if (i >= input_pattern_count)
 	    ++p;
 	  else
 	    {
-	      if (!any_patterns_with_sort)
+	      if (i >= bin_count)
 		i = 0;
 	      matching_sections[i].push_back(isi);
 	      p = input_sections->erase(p);
@@ -1679,7 +1680,7 @@ Output_section_element_input::set_section_addresses(
   // output section.
 
   uint64_t dot = *dot_value;
-  for (size_t i = 0; i < input_pattern_count; ++i)
+  for (size_t i = 0; i < bin_count; ++i)
     {
       if (matching_sections[i].empty())
 	continue;
diff --git a/gold/testsuite/script_test_12.t b/gold/testsuite/script_test_12.t
index d434f20..4579c58 100644
--- a/gold/testsuite/script_test_12.t
+++ b/gold/testsuite/script_test_12.t
@@ -57,6 +57,7 @@ SECTIONS
     test_array_start = .;
     *(.x1 .x2 .x3);
     test_array_end = .;
+    *(.x4);
     }
   .bss : { *(.bss) }
 
diff --git a/gold/testsuite/script_test_12a.c b/gold/testsuite/script_test_12a.c
index 0eed0c2..ed1be68 100644
--- a/gold/testsuite/script_test_12a.c
+++ b/gold/testsuite/script_test_12a.c
@@ -73,3 +73,4 @@ main(void)
 int a1[] __attribute((section(".x1"))) = { 0x01, 0x02, 0x03, 0x04 };
 int a2[] __attribute((section(".x2"))) = { 0x11, 0x12, 0x13, 0x14};
 int a3[] __attribute((section(".x3"))) = { 0x21, 0x22, 0x23, 0x24 };
+int a4[] __attribute((section(".x4"))) = { 0xff, 0xff, 0xff, 0xff };
diff --git a/gold/testsuite/script_test_12b.c b/gold/testsuite/script_test_12b.c
index a69866e..e31f73d 100644
--- a/gold/testsuite/script_test_12b.c
+++ b/gold/testsuite/script_test_12b.c
@@ -1,3 +1,4 @@
 int b1[] __attribute((section(".x1"))) = { 0x85, 0x86, 0x87, 0x88 };
 int b2[] __attribute((section(".x2"))) = { 0x95, 0x96, 0x97, 0x98 };
 int b3[] __attribute((section(".x3"))) = { 0xa5, 0xa6, 0xa7, 0xa8 };
+int b4[] __attribute((section(".x4"))) = { 0xff, 0xff, 0xff, 0xff };
diff --git a/gold/testsuite/script_test_12i.t b/gold/testsuite/script_test_12i.t
index 8d6183a..af19cd6 100644
--- a/gold/testsuite/script_test_12i.t
+++ b/gold/testsuite/script_test_12i.t
@@ -57,6 +57,7 @@ SECTIONS
     test_array_start = .;
     *(.x1) *(.x2) *(.x3)
     test_array_end = .;
+    *(.x4);
     }
   .bss : { *(.bss) }


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