147 lines
5.7 KiB
Diff
147 lines
5.7 KiB
Diff
diff -upr binutils-2.26.orig/ld/ld.texinfo binutils-2.26/ld/ld.texinfo
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--- binutils-2.26.orig/ld/ld.texinfo 2016-02-16 10:45:43.245336561 +0000
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+++ binutils-2.26/ld/ld.texinfo 2016-02-16 10:47:04.670763451 +0000
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@@ -1325,15 +1325,21 @@ libraries.
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When creating a shared library, bind references to global symbols to the
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definition within the shared library, if any. Normally, it is possible
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for a program linked against a shared library to override the definition
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-within the shared library. This option is only meaningful on ELF
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-platforms which support shared libraries.
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+within the shared library. This option can also be used with the
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+@option{--export-dynamic} option, when creating a position independent
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+executable, to bind references to global symbols to the definition within
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+the executable. This option is only meaningful on ELF platforms which
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+support shared libraries and position independent executables.
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@kindex -Bsymbolic-functions
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@item -Bsymbolic-functions
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When creating a shared library, bind references to global function
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symbols to the definition within the shared library, if any.
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+This option can also be used with the @option{--export-dynamic} option,
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+when creating a position independent executable, to bind references
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+to global function symbols to the definition within the executable.
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This option is only meaningful on ELF platforms which support shared
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-libraries.
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+libraries and position independent executables.
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@kindex --dynamic-list=@var{dynamic-list-file}
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@item --dynamic-list=@var{dynamic-list-file}
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diff -upr binutils-2.26.orig/ld/lexsup.c binutils-2.26/ld/lexsup.c
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--- binutils-2.26.orig/ld/lexsup.c 2016-02-16 10:45:43.246336567 +0000
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+++ binutils-2.26/ld/lexsup.c 2016-02-16 10:47:04.671763456 +0000
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@@ -1586,15 +1586,14 @@ parse_args (unsigned argc, char **argv)
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/* We may have -Bsymbolic, -Bsymbolic-functions, --dynamic-list-data,
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--dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo and
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--dynamic-list FILE. -Bsymbolic and -Bsymbolic-functions are
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- for shared libraries. -Bsymbolic overrides all others and vice
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- versa. */
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+ for PIC outputs. -Bsymbolic overrides all others and vice versa. */
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switch (command_line.symbolic)
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{
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case symbolic_unset:
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break;
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case symbolic:
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- /* -Bsymbolic is for shared library only. */
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- if (bfd_link_dll (&link_info))
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+ /* -Bsymbolic is for PIC output only. */
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+ if (bfd_link_pic (&link_info))
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{
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link_info.symbolic = TRUE;
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/* Should we free the unused memory? */
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@@ -1603,8 +1602,8 @@ parse_args (unsigned argc, char **argv)
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}
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break;
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case symbolic_functions:
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- /* -Bsymbolic-functions is for shared library only. */
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- if (bfd_link_dll (&link_info))
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+ /* -Bsymbolic-functions is for PIC output only. */
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+ if (bfd_link_pic (&link_info))
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command_line.dynamic_list = dynamic_list_data;
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break;
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}
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diff -upr binutils-2.26.orig/ld/testsuite/ld-i386/i386.exp binutils-2.26/ld/testsuite/ld-i386/i386.exp
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--- binutils-2.26.orig/ld/testsuite/ld-i386/i386.exp 2016-02-16 10:45:43.319336949 +0000
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+++ binutils-2.26/ld/testsuite/ld-i386/i386.exp 2016-02-16 10:47:04.672763461 +0000
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@@ -319,6 +319,7 @@ run_dump_test "load5a"
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run_dump_test "load5b"
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run_dump_test "load6"
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run_dump_test "pr19175"
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+run_dump_test "pr19615"
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if { !([istarget "i?86-*-linux*"]
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|| [istarget "i?86-*-gnu*"]
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--- /dev/null 2016-02-16 08:27:18.513962320 +0000
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+++ binutils-2.26/ld/testsuite/ld-i386/pr19615.s 2016-02-16 10:56:11.886632341 +0000
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@@ -0,0 +1,13 @@
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+ .text
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+ .globl _start
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+ .type _start, @function
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+_start:
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+ ret
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+
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+ .globl xyzzy /* This symbol should be exported */
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+ .type xyzzy, @function
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+xyzzy:
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+ ret
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+
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+ .section ".xyzzy_ptr","aw",%progbits
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+ .dc.a xyzzy
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--- /dev/null 2016-02-16 08:27:18.513962320 +0000
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+++ binutils-2.26/ld/testsuite/ld-i386/pr19615.d 2016-02-16 10:56:11.886632341 +0000
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@@ -0,0 +1,13 @@
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+#as: --32
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+#ld: -pie -Bsymbolic -E -melf_i386
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+#readelf: -r --wide --dyn-syms
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+
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+Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 1 entries:
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+ Offset Info Type Sym. Value Symbol's Name
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+[0-9a-f]+ +[0-9a-f]+ +R_386_RELATIVE +
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+
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+Symbol table '.dynsym' contains [0-9]+ entries:
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+ Num: Value Size Type Bind Vis Ndx Name
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+#...
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+[ ]*[a-f0-9]+: [a-f0-9]+ 0 FUNC GLOBAL DEFAULT [a-f0-9]+ xyzzy
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+#...
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--- /dev/null 2016-02-16 08:27:18.513962320 +0000
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+++ binutils-2.26/ld/testsuite/ld-x86-64/pr19615.s 2016-02-16 10:57:55.386174958 +0000
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@@ -0,0 +1,13 @@
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+ .text
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+ .globl _start
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+ .type _start, @function
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+_start:
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+ ret
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+
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+ .globl xyzzy /* This symbol should be exported */
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+ .type xyzzy, @function
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+xyzzy:
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+ ret
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+
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+ .section ".xyzzy_ptr","aw",%progbits
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+ .dc.a xyzzy
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--- /dev/null 2016-02-16 08:27:18.513962320 +0000
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+++ binutils-2.26/ld/testsuite/ld-x86-64/pr19615.d 2016-02-16 10:57:55.386174958 +0000
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@@ -0,0 +1,13 @@
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+#as: --64
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+#ld: -pie -Bsymbolic -E -melf_x86_64
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+#readelf: -r --wide --dyn-syms
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+
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+Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 1 entries:
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+ Offset Info Type Symbol's Value Symbol's Name \+ Addend
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+[0-9a-f]+ +[0-9a-f]+ +R_X86_64_RELATIVE +[0-9]+
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+
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+Symbol table '.dynsym' contains [0-9]+ entries:
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+ Num: Value Size Type Bind Vis Ndx Name
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+#...
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+[ ]*[a-f0-9]+: [a-f0-9]+ 0 FUNC GLOBAL DEFAULT [a-f0-9]+ xyzzy
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+#...
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--- binutils-2.26.orig/ld/testsuite/ld-x86-64/x86-64.exp 2016-02-16 10:45:43.443337600 +0000
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+++ binutils-2.26/ld/testsuite/ld-x86-64/x86-64.exp 2016-02-16 11:01:02.418162157 +0000
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@@ -353,6 +353,7 @@ run_dump_test "pr19013-x32"
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run_dump_test "pr19013-nacl"
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run_dump_test "pr19162"
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run_dump_test "pr19175"
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+run_dump_test "pr19615"
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# Add $PLT_CFLAGS if PLT is expected.
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global PLT_CFLAGS
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