binutils: Add backports to resolve systemd (from git) breakage
Backport the patches for PR2404 and PR16476 from binutils to resolve failures when compiling systemd from git. (From OE-Core rev: 25e376f6c8c66cca95ae7fa7f512b7dadfdd6140) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -26,6 +26,8 @@ SRC_URI = "\
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file://mips64-default-ld-emulation.patch \
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file://binutils-xlp-support.patch \
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file://fix-pr15815.patch \
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file://fix-pr2404.patch \
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file://fix-pr16476.patch \
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"
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SRC_URI[md5sum] = "e0f71a7b2ddab0f8612336ac81d9636b"
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@ -0,0 +1,220 @@
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From: H.J. Lu <hjl.tools@gmail.com>
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Date: Tue, 21 Jan 2014 23:42:43 +0000 (-0800)
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Subject: Check incompatible existing default symbol definition
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X-Git-Tag: hjl/linux/release/2.24.51.0.3~1^2~8^2~16
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X-Git-Url: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff_plain;h=4584ec12076e088cf36965b88ef8710ca85491f9
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Check incompatible existing default symbol definition
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After resolving a versioned reference, foo@VER1, to a default versioned
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definition, foo@@VER1, from a shared object, we also merge it with
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the existing regular default symbol definition, foo. When foo is IFUNC
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and foo@@VER1 aren't, we will merge 2 incompatible definitions. This
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patch avoids merging foo@@VER1 definition with foo definition if
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one is IFUNC and the other isn't.
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Upstream-Status: Backport
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---
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#diff --git a/bfd/ChangeLog b/bfd/ChangeLog
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#index 5923bc3..c70a7db 100644
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#--- a/bfd/ChangeLog
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#+++ b/bfd/ChangeLog
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#@@ -1,5 +1,13 @@
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# 2014-01-21 H.J. Lu <hongjiu.lu@intel.com>
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#
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#+ PR ld/16467
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#+ * elflink.c (_bfd_elf_merge_symbol): When types of the existing
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#+ regular default symbol definition and the versioned dynamic
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#+ symbol definition mismatch, skip the default symbol definition
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#+ if one of them is IFUNC.
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#+
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#+2014-01-21 H.J. Lu <hongjiu.lu@intel.com>
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#+
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# PR ld/2404
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# * elflink.c (_bfd_elf_merge_symbol): Don't check info->shared,
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# info->export_dynamic nor h->ref_dynamic for type mismatch when
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diff --git a/bfd/elflink.c b/bfd/elflink.c
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index d0006da..792e14e 100644
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--- a/bfd/elflink.c
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+++ b/bfd/elflink.c
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@@ -1092,11 +1092,14 @@ _bfd_elf_merge_symbol (bfd *abfd,
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&& newdyn
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&& newdef
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&& !olddyn
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- && (olddef || h->root.type == bfd_link_hash_common)
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- && ELF_ST_TYPE (sym->st_info) != h->type
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- && ELF_ST_TYPE (sym->st_info) != STT_NOTYPE
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- && h->type != STT_NOTYPE
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- && !(newfunc && oldfunc))
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+ && (((olddef || h->root.type == bfd_link_hash_common)
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+ && ELF_ST_TYPE (sym->st_info) != h->type
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+ && ELF_ST_TYPE (sym->st_info) != STT_NOTYPE
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+ && h->type != STT_NOTYPE
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+ && !(newfunc && oldfunc))
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+ || (olddef
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+ && ((h->type == STT_GNU_IFUNC)
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+ != (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)))))
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{
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*skip = TRUE;
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return TRUE;
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#diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
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#index ac65a3a..a092428 100644
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#--- a/ld/testsuite/ChangeLog
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#+++ b/ld/testsuite/ChangeLog
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#@@ -1,5 +1,19 @@
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# 2014-01-21 H.J. Lu <hongjiu.lu@intel.com>
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#
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#+ PR ld/16467
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#+ * ld-ifunc/dummy.c: New file.
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#+ * ld-ifunc/pr16467.out: Likewise.
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##+ * ld-ifunc/pr16467a.c: Likewise.
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#+ * ld-ifunc/pr16467a.map: Likewise.
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#+ * ld-ifunc/pr16467b.c: Likewise.
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#+ * ld-ifunc/pr16467b.map: Likewise.
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#+ * ld-ifunc/pr16467c.c: Likewise.
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#+
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#+ * ld-ifunc/ifunc.exp (run_cc_link_tests): New.
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#+ (run_ld_link_exec_tests): Run pr16467.
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#+
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#+2014-01-21 H.J. Lu <hongjiu.lu@intel.com>
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#+
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# PR ld/2404
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# * ld-elf/shared.exp: Add a PIE test for PR ld/2404.
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#
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diff --git a/ld/testsuite/ld-ifunc/dummy.c b/ld/testsuite/ld-ifunc/dummy.c
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new file mode 100644
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index 0000000..5c03287
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--- /dev/null
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+++ b/ld/testsuite/ld-ifunc/dummy.c
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@@ -0,0 +1 @@
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+/* An empty file. */
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diff --git a/ld/testsuite/ld-ifunc/ifunc.exp b/ld/testsuite/ld-ifunc/ifunc.exp
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index fb106c6..d7ff445 100644
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--- a/ld/testsuite/ld-ifunc/ifunc.exp
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+++ b/ld/testsuite/ld-ifunc/ifunc.exp
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@@ -349,6 +349,42 @@ if { $verbose < 1 } {
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remote_file host delete "tmpdir/static_nonifunc_prog"
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}
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+run_cc_link_tests [list \
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+ [list \
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+ "Build libpr16467a.so" \
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+ "-shared -Wl,--version-script=pr16467a.map" \
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+ "-fPIC" \
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+ { pr16467a.c } \
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+ {} \
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+ "libpr16467a.so" \
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+ ] \
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+ [list \
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+ "Build libpr16467b.a" \
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+ "" \
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+ "-fPIC" \
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+ { pr16467b.c } \
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+ {} \
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+ "libpr16467b.a" \
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+ ] \
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+ [list \
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+ "Build libpr16467b.so" \
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+ "-shared tmpdir/pr16467b.o tmpdir/libpr16467a.so \
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+ -Wl,--version-script=pr16467b.map" \
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+ "-fPIC" \
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+ { dummy.c } \
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+ {} \
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+ "libpr16467b.so" \
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+ ] \
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+ [list \
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+ "Build libpr16467c.a" \
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+ "" \
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+ "" \
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+ { pr16467c.c } \
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+ {} \
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+ "libpr16467c.a" \
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+ ] \
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+]
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+
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run_ld_link_exec_tests [] [list \
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[list \
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"Common symbol override ifunc test 1a" \
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@@ -368,6 +404,15 @@ run_ld_link_exec_tests [] [list \
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"ifunc-common-1.out" \
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"-g" \
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] \
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+ [list \
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+ "Run pr16467" \
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+ "tmpdir/pr16467c.o tmpdir/libpr16467b.so tmpdir/libpr16467a.so" \
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+ "" \
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+ { dummy.c } \
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+ "pr16467" \
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+ "pr16467.out" \
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+ "" \
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+ ] \
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]
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set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
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diff --git a/ld/testsuite/ld-ifunc/pr16467.out b/ld/testsuite/ld-ifunc/pr16467.out
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new file mode 100644
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index 0000000..d86bac9
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--- /dev/null
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+++ b/ld/testsuite/ld-ifunc/pr16467.out
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@@ -0,0 +1 @@
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+OK
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diff --git a/ld/testsuite/ld-ifunc/pr16467a.c b/ld/testsuite/ld-ifunc/pr16467a.c
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new file mode 100644
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index 0000000..ae3f084
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--- /dev/null
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+++ b/ld/testsuite/ld-ifunc/pr16467a.c
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@@ -0,0 +1,5 @@
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+const char *
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+sd_get_seats(void)
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+{
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+ return "OK";
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+}
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diff --git a/ld/testsuite/ld-ifunc/pr16467a.map b/ld/testsuite/ld-ifunc/pr16467a.map
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new file mode 100644
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index 0000000..d677f37
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--- /dev/null
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+++ b/ld/testsuite/ld-ifunc/pr16467a.map
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@@ -0,0 +1,4 @@
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+LIBSYSTEMD_209 {
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+global:
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+ sd_get_seats;
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+};
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diff --git a/ld/testsuite/ld-ifunc/pr16467b.c b/ld/testsuite/ld-ifunc/pr16467b.c
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new file mode 100644
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index 0000000..264f6cf
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--- /dev/null
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+++ b/ld/testsuite/ld-ifunc/pr16467b.c
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@@ -0,0 +1,7 @@
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+void new_sd_get_seats(void);
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+__asm__(".symver new_sd_get_seats,sd_get_seats@LIBSYSTEMD_209");
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+void (*resolve_sd_get_seats(void)) (void) __asm__ ("sd_get_seats");
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+void (*resolve_sd_get_seats(void)) (void) {
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+ return new_sd_get_seats;
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+}
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+__asm__(".type sd_get_seats, %gnu_indirect_function");
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diff --git a/ld/testsuite/ld-ifunc/pr16467b.map b/ld/testsuite/ld-ifunc/pr16467b.map
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new file mode 100644
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index 0000000..1f263de
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--- /dev/null
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+++ b/ld/testsuite/ld-ifunc/pr16467b.map
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@@ -0,0 +1,4 @@
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+LIBSYSTEMD_208 {
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+global:
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+ sd_get_seats;
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+};
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diff --git a/ld/testsuite/ld-ifunc/pr16467c.c b/ld/testsuite/ld-ifunc/pr16467c.c
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new file mode 100644
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index 0000000..e2a901c
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--- /dev/null
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+++ b/ld/testsuite/ld-ifunc/pr16467c.c
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@@ -0,0 +1,9 @@
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+#include <stdio.h>
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+const char* sd_get_seats(void);
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+
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+int
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+main (int argc, char **argv)
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+{
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+ printf("%s\n", sd_get_seats());
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+ return 0;
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+}
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@ -0,0 +1,76 @@
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From: H.J. Lu <hjl.tools@gmail.com>
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Date: Tue, 21 Jan 2014 13:33:48 +0000 (-0800)
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Subject: Don't check shared/export_dynamic/ref_dynamic for type mismatch
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X-Git-Tag: hjl/linux/release/2.24.51.0.3~1^2~8^2~22
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X-Git-Url: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff_plain;h=22ef172a21663abb477d72284b4d59c8eabcbb82
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Don't check shared/export_dynamic/ref_dynamic for type mismatch
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There is nothing linker can do when a type mismatched default definition
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are made dynamic by info->shared, info->export_dynamic or h->ref_dynamic.
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But we do want to avoid exporting it when building PIE. Let's remove
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those checks.
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bfd/
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PR ld/2404
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* elflink.c (_bfd_elf_merge_symbol): Don't check info->shared,
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info->export_dynamic, nor !h->ref_dynamic for type mismatch when
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adding the default version.
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ld/testsuite/
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PR ld/2404
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* ld-elf/shared.exp: Add a PIE test for PR ld/2404.
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Upstream-Status: Backport
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---
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Index: binutils-2.24/bfd/elflink.c
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===================================================================
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--- binutils-2.24.orig/bfd/elflink.c 2014-02-08 13:20:08.628378267 +0000
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+++ binutils-2.24/bfd/elflink.c 2014-02-08 13:20:08.624378267 +0000
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@@ -1090,9 +1090,6 @@
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the type of existing regular definition mismatch. We only do it
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if the existing regular definition won't be dynamic. */
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if (pold_alignment == NULL
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- && !info->shared
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- && !info->export_dynamic
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- && !h->ref_dynamic
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&& newdyn
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&& newdef
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&& !olddyn
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Index: binutils-2.24/ld/testsuite/ld-elf/shared.exp
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===================================================================
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--- binutils-2.24.orig/ld/testsuite/ld-elf/shared.exp 2014-02-08 13:20:08.628378267 +0000
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+++ binutils-2.24/ld/testsuite/ld-elf/shared.exp 2014-02-08 13:20:08.624378267 +0000
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@@ -432,3 +432,29 @@
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run_cc_link_tests $build_cxx_tests
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run_ld_link_exec_tests [] $run_cxx_tests
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+
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+if { [istarget *-*-linux*]
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+ || [istarget *-*-nacl*]
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+ || [istarget *-*-gnu*] } {
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+ run_cc_link_tests [list \
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+ [list \
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+ "Build libpr2404b.a with PIE" \
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+ "" \
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+ "-fPIE" \
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+ { pr2404b.c } \
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+ {} \
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+ "libpr2404b.a" \
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+ ] \
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+ ]
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+ run_ld_link_exec_tests [] [list \
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+ [list \
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+ "Run pr2404 with PIE" \
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+ "-pie tmpdir/pr2404b.o tmpdir/libpr2404a.so" \
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+ "" \
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+ { dummy.c } \
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+ "pr2404pie" \
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+ "pr2404.out" \
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+ "-fPIE" \
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+ ] \
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+ ]
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+}
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