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2011-04-22 Doug Kwan <dougkwan@google.com>
authorDoug Kwan <dougkwan@google.com>
Fri, 22 Apr 2011 21:50:03 +0000 (21:50 +0000)
committerDoug Kwan <dougkwan@google.com>
Fri, 22 Apr 2011 21:50:03 +0000 (21:50 +0000)
* arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
flag of a SHT_ARM_EXIDX section.
        * testsuite/Makefile.am (arm_exidx_test): New test rules.
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_exidx_test.s: New file.
* testsuite/arm_exidx_test.sh: Same.

gold/ChangeLog patch | blob | blame | history
gold/arm.cc patch | blob | blame | history
gold/testsuite/Makefile.am patch | blob | blame | history
gold/testsuite/Makefile.in patch | blob | blame | history
gold/testsuite/arm_exidx_test.s [new file with mode: 0644] patch | blob
gold/testsuite/arm_exidx_test.sh [new file with mode: 0755] patch | blob

diff --git a/gold/ChangeLog b/gold/ChangeLog
index 3567034e37aa9b7bba4cdd0da50ec1f65c8ab7a4..865573e72948ac4dc3dd2417a3210bf927886943 100644 (file)
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,12 @@
+2011-04-22  Doug Kwan  <dougkwan@google.com>
+
+       * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
+       flag of a SHT_ARM_EXIDX section.
+        * testsuite/Makefile.am (arm_exidx_test): New test rules.
+       * testsuite/Makefile.in: Regenerate.
+       * testsuite/arm_exidx_test.s: New file.
+       * testsuite/arm_exidx_test.sh: Same.
+
 2011-04-20 Cary Coutant  <ccoutant@google.com>
 
        PR gold/12689
diff --git a/gold/arm.cc b/gold/arm.cc
index 6c81d3071b94b93982cf3a0afbcb744fc4a98cf0..541ff59ef6a379364c684ccf82564c43be8eb2e4 100644 (file)
--- a/gold/arm.cc
+++ b/gold/arm.cc
@@ -1342,9 +1342,13 @@ class Arm_output_section : public Output_section
  public:
   typedef std::vector<std::pair<Relobj*, unsigned int> > Text_section_list;
 
+  // We need to force SHF_LINK_ORDER in a SHT_ARM_EXIDX section.
   Arm_output_section(const char* name, elfcpp::Elf_Word type,
                     elfcpp::Elf_Xword flags)
-    : Output_section(name, type, flags)
+    : Output_section(name, type,
+                    (type == elfcpp::SHT_ARM_EXIDX
+                     ? flags | elfcpp::SHF_LINK_ORDER
+                     : flags))
   {
     if (type == elfcpp::SHT_ARM_EXIDX)
       this->set_always_keeps_input_sections();
diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
index 2675763a3a8a4ebf4b32062f22f2d1820977b7d6..f2af4924c7fbc0362eb3cf0f10b45034b7f5c23f 100644 (file)
--- a/gold/testsuite/Makefile.am
+++ b/gold/testsuite/Makefile.am
@@ -2164,6 +2164,20 @@ arm_cortex_a8_local_reloc.o: arm_cortex_a8_local_reloc.s
 MOSTLYCLEANFILES += arm_cortex_a8_b_cond arm_cortex_a8_b arm_cortex_a8_bl \
        arm_cortex_a8_blx arm_cortex_a8_local arm_cortex_a8_local_reloc
 
+check_SCRIPTS += arm_exidx_test.sh
+check_DATA += arm_exidx_test.stdout
+
+arm_exidx_test.stdout: arm_exidx_test.so
+       $(TEST_READELF) -S $< > $@
+
+arm_exidx_test.so: arm_exidx_test.o ../ld-new
+       ../ld-new -shared -o $@ $<
+
+arm_exidx_test.o: arm_exidx_test.s
+       $(TEST_AS) -o $@ $<
+
+MOSTLYCLEANFILES += arm_exidx_test.so
+
 endif DEFAULT_TARGET_ARM
 
 endif NATIVE_OR_CROSS_LINKER
diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
index 226816b601701c1e3ebe5ad3ee91125063ec84b2..f00534e2120f3cf1e42d6786cd09043f08458a3f 100644 (file)
--- a/gold/testsuite/Makefile.in
+++ b/gold/testsuite/Makefile.in
@@ -459,7 +459,8 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_branch_out_of_range.sh \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_fix_v4bx.sh \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_attr_merge.sh \
-@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8.sh
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8.sh \
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_exidx_test.sh
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_44 = arm_abs_global.stdout \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_in_range.stdout \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_out_of_range.stdout \
@@ -483,7 +484,8 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_bl.stdout \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_blx.stdout \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_local.stdout \
-@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_local_reloc.stdout
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_local_reloc.stdout \
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_exidx_test.stdout
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_45 = arm_abs_global \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_in_range \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_out_of_range \
@@ -507,7 +509,8 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_bl \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_blx \
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_local \
-@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_local_reloc
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_local_reloc \
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_exidx_test.so
 subdir = testsuite
 DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/Makefile.am
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -3316,6 +3319,8 @@ arm_attr_merge.sh.log: arm_attr_merge.sh
        @p='arm_attr_merge.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 arm_cortex_a8.sh.log: arm_cortex_a8.sh
        @p='arm_cortex_a8.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
+arm_exidx_test.sh.log: arm_exidx_test.sh
+       @p='arm_exidx_test.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 object_unittest.log: object_unittest$(EXEEXT)
        @p='object_unittest$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 binary_unittest.log: binary_unittest$(EXEEXT)
@@ -4790,6 +4795,15 @@ uninstall-am:
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_cortex_a8_local_reloc.o: arm_cortex_a8_local_reloc.s
 @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
 
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_exidx_test.stdout: arm_exidx_test.so
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_READELF) -S $< > $@
+
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_exidx_test.so: arm_exidx_test.o ../ld-new
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new -shared -o $@ $<
+
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_exidx_test.o: arm_exidx_test.s
+@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
+
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT:
diff --git a/gold/testsuite/arm_exidx_test.s b/gold/testsuite/arm_exidx_test.s
new file mode 100644 (file)
index 0000000..e4f8c8b
--- /dev/null
+++ b/gold/testsuite/arm_exidx_test.s
@@ -0,0 +1,12 @@
+       .syntax unified 
+       .arch   armv5te
+       .text
+       .align  2
+       .global answer
+       .type   answer, %function
+answer:
+       .fnstart
+       mov     r0, #42
+       bx      lr
+       .fnend
+       .size   answer, .-answer
diff --git a/gold/testsuite/arm_exidx_test.sh b/gold/testsuite/arm_exidx_test.sh
new file mode 100755 (executable)
index 0000000..f732a68
--- /dev/null
+++ b/gold/testsuite/arm_exidx_test.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+
+# arm_exidx_test.sh -- a test case for .ARM.exidx section.
+
+# Copyright 2011 Free Software Foundation, Inc.
+# Written by Doug Kwan <dougkwan@google.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 file goes with arm_exidx_test.s, an ARM assembly source file constructed
+# to test handling of .ARM.exidx and .ARM.extab sections.
+
+check()
+{
+    if ! grep -q "$2" "$1"
+    then
+       echo "Did not find section header in $1:"
+       echo "   $2"
+       echo ""
+       echo "Actual headers below:"
+       cat "$1"
+       exit 1
+    fi
+}
+
+# Check that SHF_LINK_ORDER is set.
+check arm_exidx_test.stdout ".* .ARM.exidx .* ARM_EXIDX .* AL .*"
+check arm_exidx_test.stdout ".* .ARM.extab .* PROGBITS .* A .*"
+
+exit 0
GDB Binutils - Deliverables
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