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binutils-2.20.1: import several patches from Debian
Import several patches from Debian to improve --no-add-needed handling vs. weak symbols and branching to weak symbols on arm. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
This commit is contained in:
lumag
Koen Kooi
+240
@@ -0,0 +1,240 @@
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#!/bin/sh -e
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## 152_arm_branches_to_weak_symbols.dpatch
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##
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## DP: Description: http://sourceware.org/ml/binutils/2010-04/msg00446.html
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## DP: Description: taken from the trunk
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if [ $# -ne 1 ]; then
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echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
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exit 1
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fi
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[ -f debian/patches/00patch-opts ] && . debian/patches/00patch-opts
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patch_opts="${patch_opts:--f --no-backup-if-mismatch}"
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case "$1" in
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-patch) patch $patch_opts -p0 < $0;;
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-unpatch) patch $patch_opts -p0 -R < $0;;
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*)
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echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
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exit 1;;
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esac
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exit 0
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gas/
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2010-05-04 Nick Clifton <nickc@redhat.com>
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* write.c (fixup_segment): Revert previous delta.
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* config/tc-arm.h (TC_FORCE_RELOCATION_LOCAL): Also force the
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generation of relocations for fixups against weak symbols.
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2010-04-29 Nathan Sidwell <nathan@codesourcery.com>
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* write.c (fixup_segment): Do not assume we know the section a
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defined weak symbol is in.
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* config/tc-arm.c (relax_adr, relax_branch, md_apply_fix): Treat
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weak symbols as not known to be in the same section, even if they
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are defined.
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gas/testsuite/
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2010-04-29 Nathan Sidwell <nathan@codesourcery.com>
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* gas/arm/weakdef-1.s: New.
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* gas/arm/weakdef-1.d: New.
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* gas/arm/weakdef-2.s: New.
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* gas/arm/weakdef-2.d: New.
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* gas/arm/weakdef-2.l: New.
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@DPATCH@
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diff -urN gas.orig/config/tc-arm.c gas/config/tc-arm.c
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--- a/gas/config/tc-arm.c 2010-02-22 08:06:52.000000000 +0000
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+++ b/gas/config/tc-arm.c 2010-05-06 12:52:25.391085365 +0000
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@@ -18207,7 +18207,8 @@
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/* Assume worst case for symbols not known to be in the same section. */
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if (!S_IS_DEFINED (fragp->fr_symbol)
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- || sec != S_GET_SEGMENT (fragp->fr_symbol))
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+ || sec != S_GET_SEGMENT (fragp->fr_symbol)
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+ || S_IS_WEAK (fragp->fr_symbol))
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return 4;
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val = relaxed_symbol_addr (fragp, stretch);
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@@ -18250,7 +18251,8 @@
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/* Assume worst case for symbols not known to be in the same section. */
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if (!S_IS_DEFINED (fragp->fr_symbol)
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- || sec != S_GET_SEGMENT (fragp->fr_symbol))
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+ || sec != S_GET_SEGMENT (fragp->fr_symbol)
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+ || S_IS_WEAK (fragp->fr_symbol))
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return 4;
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#ifdef OBJ_ELF
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@@ -19463,22 +19465,23 @@
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not have a reloc for it, so tc_gen_reloc will reject it. */
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fixP->fx_done = 1;
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- if (fixP->fx_addsy
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- && ! S_IS_DEFINED (fixP->fx_addsy))
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+ if (fixP->fx_addsy)
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{
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- as_bad_where (fixP->fx_file, fixP->fx_line,
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- _("undefined symbol %s used as an immediate value"),
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- S_GET_NAME (fixP->fx_addsy));
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- break;
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- }
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+ const char *msg = 0;
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- if (fixP->fx_addsy
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- && S_GET_SEGMENT (fixP->fx_addsy) != seg)
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- {
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- as_bad_where (fixP->fx_file, fixP->fx_line,
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- _("symbol %s is in a different section"),
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- S_GET_NAME (fixP->fx_addsy));
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- break;
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+ if (! S_IS_DEFINED (fixP->fx_addsy))
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+ msg = _("undefined symbol %s used as an immediate value");
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+ else if (S_GET_SEGMENT (fixP->fx_addsy) != seg)
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+ msg = _("symbol %s is in a different section");
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+ else if (S_IS_WEAK (fixP->fx_addsy))
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+ msg = _("symbol %s is weak and may be overridden later");
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+
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+ if (msg)
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+ {
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+ as_bad_where (fixP->fx_file, fixP->fx_line,
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+ msg, S_GET_NAME (fixP->fx_addsy));
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+ break;
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+ }
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}
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newimm = encode_arm_immediate (value);
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@@ -19504,24 +19507,25 @@
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unsigned int highpart = 0;
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unsigned int newinsn = 0xe1a00000; /* nop. */
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- if (fixP->fx_addsy
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- && ! S_IS_DEFINED (fixP->fx_addsy))
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+ if (fixP->fx_addsy)
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{
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- as_bad_where (fixP->fx_file, fixP->fx_line,
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- _("undefined symbol %s used as an immediate value"),
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- S_GET_NAME (fixP->fx_addsy));
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- break;
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- }
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+ const char *msg = 0;
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- if (fixP->fx_addsy
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- && S_GET_SEGMENT (fixP->fx_addsy) != seg)
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- {
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- as_bad_where (fixP->fx_file, fixP->fx_line,
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- _("symbol %s is in a different section"),
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- S_GET_NAME (fixP->fx_addsy));
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- break;
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+ if (! S_IS_DEFINED (fixP->fx_addsy))
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+ msg = _("undefined symbol %s used as an immediate value");
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+ else if (S_GET_SEGMENT (fixP->fx_addsy) != seg)
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+ msg = _("symbol %s is in a different section");
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+ else if (S_IS_WEAK (fixP->fx_addsy))
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+ msg = _("symbol %s is weak and may be overridden later");
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+
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+ if (msg)
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+ {
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+ as_bad_where (fixP->fx_file, fixP->fx_line,
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+ msg, S_GET_NAME (fixP->fx_addsy));
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+ break;
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+ }
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}
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-
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+
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newimm = encode_arm_immediate (value);
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temp = md_chars_to_number (buf, INSN_SIZE);
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diff -urN gas.orig/config/tc-arm.h gas/config/tc-arm.h
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--- a/gas/config/tc-arm.h 2009-09-01 00:24:01.000000000 +0000
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+++ b/gas/config/tc-arm.h 2010-05-06 12:53:42.784835970 +0000
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@@ -183,6 +183,7 @@
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(!(FIX)->fx_pcrel \
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|| (FIX)->fx_r_type == BFD_RELOC_ARM_GOT32 \
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|| (FIX)->fx_r_type == BFD_RELOC_32 \
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+ || ((FIX)->fx_addsy != NULL && S_IS_WEAK ((FIX)->fx_addsy)) \
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|| TC_FORCE_RELOCATION (FIX))
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/* Force output of R_ARM_REL32 relocations against thumb function symbols.
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diff -urN gas.orig/testsuite/gas/arm/weakdef-1.d gas/testsuite/gas/arm/weakdef-1.d
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--- a/gas/testsuite/gas/arm/weakdef-1.d 1970-01-01 00:00:00.000000000 +0000
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+++ b/gas/testsuite/gas/arm/weakdef-1.d 2010-05-06 12:52:25.391085365 +0000
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@@ -0,0 +1,20 @@
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+# name: Thumb branch to weak
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+# as:
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+# objdump: -dr
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+# This test is only valid on ELF based ports.
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+#not-target: *-*-*coff *-*-pe *-*-wince *-*-*aout* *-*-netbsd *-*-riscix*
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+
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+.*: +file format .*arm.*
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+
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+
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+Disassembly of section .text:
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+
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+0+000 <Weak>:
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+ 0: e7fe b.n 2 <Strong>
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+ 0: R_ARM_THM_JUMP11 Strong
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+
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+0+002 <Strong>:
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+ 2: f7ff bffe b.w 0 <Random>
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+ 2: R_ARM_THM_JUMP24 Random
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+ 6: f7ff bffe b.w 0 <Weak>
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+ 6: R_ARM_THM_JUMP24 Weak
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diff -urN gas.orig/testsuite/gas/arm/weakdef-1.s gas/testsuite/gas/arm/weakdef-1.s
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--- a/gas/testsuite/gas/arm/weakdef-1.s 1970-01-01 00:00:00.000000000 +0000
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+++ b/gas/testsuite/gas/arm/weakdef-1.s 2010-05-06 12:52:25.391085365 +0000
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@@ -0,0 +1,18 @@
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+ .syntax unified
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+ .text
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+ .thumb
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+
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+ .globl Weak
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+ .weak Weak
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+ .thumb_func
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+ .type Weak, %function
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+Weak:
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+ b Strong
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+ .size Weak, .-Weak
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+
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+ .globl Strong
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+ .type Strong, %function
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+Strong:
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+ b Random
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+ b Weak
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+ .size Strong, .-Strong
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diff -urN gas.orig/testsuite/gas/arm/weakdef-2.d gas/testsuite/gas/arm/weakdef-2.d
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--- a/gas/testsuite/gas/arm/weakdef-2.d 1970-01-01 00:00:00.000000000 +0000
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+++ b/gas/testsuite/gas/arm/weakdef-2.d 2010-05-06 12:52:25.391085365 +0000
|
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@@ -0,0 +1,5 @@
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+# name: adr of weak
|
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+# as:
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+# error-output: weakdef-2.l
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+# This test is only valid on ELF based ports.
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+#not-target: *-*-*coff *-*-pe *-*-wince *-*-*aout* *-*-netbsd *-*-riscix*
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diff -urN gas.orig/testsuite/gas/arm/weakdef-2.l gas/testsuite/gas/arm/weakdef-2.l
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--- a/gas/testsuite/gas/arm/weakdef-2.l 1970-01-01 00:00:00.000000000 +0000
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+++ b/gas/testsuite/gas/arm/weakdef-2.l 2010-05-06 12:52:25.391085365 +0000
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@@ -0,0 +1,3 @@
|
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+[^:]*: Assembler messages:
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+[^:]*:9: Error: symbol Weak is weak and may be overridden later
|
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+[^:]*:10: Error: symbol Weak is weak and may be overridden later
|
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diff -urN gas.orig/testsuite/gas/arm/weakdef-2.s gas/testsuite/gas/arm/weakdef-2.s
|
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--- a/gas/testsuite/gas/arm/weakdef-2.s 1970-01-01 00:00:00.000000000 +0000
|
||||
+++ b/gas/testsuite/gas/arm/weakdef-2.s 2010-05-06 12:52:25.391085365 +0000
|
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@@ -0,0 +1,10 @@
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+ .syntax unified
|
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+ .text
|
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+ .globl Strong
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+Strong:
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+ adrl r0,Strong
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+ adr r0,Strong
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+ .globl Weak
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+ .weak Weak
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+Weak: adrl r0,Weak
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+ adr r0,Weak
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@@ -0,0 +1,65 @@
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#! /bin/sh /usr/share/dpatch/dpatch-run
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## 200_elflink_%B_fixes.dpatch by <kirr@landau.phys.spbu.ru>
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##
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## All lines beginning with `## DP:' are a description of the patch.
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## DP: Description: Fixes several msgs; needed for later elflink patches
|
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## DP: Upstream status: submitted upstream for binutils-2_20-branch
|
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2010-08-07 Kirill Smelkov <kirr@landau.phys.spbu.ru>
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|
||||
Backport from mainline:
|
||||
2009-10-12 Roland McGrath <roland@frob.com>
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|
||||
* elflink.c (elf_link_add_object_symbols, _bfd_elf_merge_symbol):
|
||||
Fix %s that should be %B in several message formats.
|
||||
|
||||
@DPATCH@
|
||||
diff --git a/bfd/elflink.c b/bfd/elflink.c
|
||||
index c42c6e1..4a348de 100644
|
||||
--- a/bfd/elflink.c
|
||||
+++ b/bfd/elflink.c
|
||||
@@ -1110,19 +1110,19 @@ _bfd_elf_merge_symbol (bfd *abfd,
|
||||
|
||||
if (tdef && ntdef)
|
||||
(*_bfd_error_handler)
|
||||
- (_("%s: TLS definition in %B section %A mismatches non-TLS definition in %B section %A"),
|
||||
+ (_("%B: TLS definition in %B section %A mismatches non-TLS definition in %B section %A"),
|
||||
tbfd, tsec, ntbfd, ntsec, h->root.root.string);
|
||||
else if (!tdef && !ntdef)
|
||||
(*_bfd_error_handler)
|
||||
- (_("%s: TLS reference in %B mismatches non-TLS reference in %B"),
|
||||
+ (_("%B: TLS reference in %B mismatches non-TLS reference in %B"),
|
||||
tbfd, ntbfd, h->root.root.string);
|
||||
else if (tdef)
|
||||
(*_bfd_error_handler)
|
||||
- (_("%s: TLS definition in %B section %A mismatches non-TLS reference in %B"),
|
||||
+ (_("%B: TLS definition in %B section %A mismatches non-TLS reference in %B"),
|
||||
tbfd, tsec, ntbfd, h->root.root.string);
|
||||
else
|
||||
(*_bfd_error_handler)
|
||||
- (_("%s: TLS reference in %B mismatches non-TLS definition in %B section %A"),
|
||||
+ (_("%B: TLS reference in %B mismatches non-TLS definition in %B section %A"),
|
||||
tbfd, ntbfd, ntsec, h->root.root.string);
|
||||
|
||||
bfd_set_error (bfd_error_bad_value);
|
||||
@@ -4437,7 +4437,7 @@ error_free_dyn:
|
||||
if ((elf_dyn_lib_class (abfd) & DYN_NO_NEEDED) != 0)
|
||||
{
|
||||
(*_bfd_error_handler)
|
||||
- (_("%s: invalid DSO for symbol `%s' definition"),
|
||||
+ (_("%B: invalid DSO for symbol `%s' definition"),
|
||||
abfd, name);
|
||||
bfd_set_error (bfd_error_bad_value);
|
||||
goto error_free_vers;
|
||||
@@ -12495,7 +12495,7 @@ _bfd_elf_get_dynamic_reloc_section (bfd * abfd,
|
||||
section does not exist it is created and attached to the DYNOBJ
|
||||
bfd and stored in the SRELOC field of SEC's elf_section_data
|
||||
structure.
|
||||
-
|
||||
+
|
||||
ALIGNMENT is the alignment for the newly created section and
|
||||
IS_RELA defines whether the name should be .rela.<SEC's name>
|
||||
or .rel.<SEC's name>. The section name is looked up in the
|
||||
--
|
||||
1.7.2.1.44.g721e7
|
||||
|
||||
+70
@@ -0,0 +1,70 @@
|
||||
#! /bin/sh /usr/share/dpatch/dpatch-run
|
||||
## 201_elflink_improve_errors.dpatch by <kirr@landau.phys.spbu.ru>
|
||||
##
|
||||
## All lines beginning with `## DP:' are a description of the patch.
|
||||
## DP: Improves error messages regarding -no-add-needed cases; needed for
|
||||
## DP: later elflink patches
|
||||
## DP: Upstream status: submitted upstream for binutils-2_20-branch
|
||||
|
||||
2010-08-07 Kirill Smelkov <kirr@landau.phys.spbu.ru>
|
||||
|
||||
Backport from mainline:
|
||||
2009-11-05 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* elflink.c (elf_link_add_object_symbols): Improve error
|
||||
message generated when a symbol is left unresolved because a
|
||||
--no-add-needed command line option has prevented the
|
||||
inclusion of the DSO defining it.
|
||||
|
||||
@DPATCH@
|
||||
diff --git a/bfd/elflink.c b/bfd/elflink.c
|
||||
index 4a348de..10eee8c 100644
|
||||
--- a/bfd/elflink.c
|
||||
+++ b/bfd/elflink.c
|
||||
@@ -3866,6 +3866,7 @@ error_free_dyn:
|
||||
bfd_boolean common;
|
||||
unsigned int old_alignment;
|
||||
bfd *old_bfd;
|
||||
+ bfd * undef_bfd = NULL;
|
||||
|
||||
override = FALSE;
|
||||
|
||||
@@ -4097,6 +4098,20 @@ error_free_dyn:
|
||||
name = newname;
|
||||
}
|
||||
|
||||
+ /* If this is a definition of a previously undefined symbol
|
||||
+ make a note of the bfd that contained the reference in
|
||||
+ case we need to refer to it later on in error messages. */
|
||||
+ if (! bfd_is_und_section (sec))
|
||||
+ {
|
||||
+ h = elf_link_hash_lookup (elf_hash_table (info), name, FALSE, FALSE, FALSE);
|
||||
+
|
||||
+ if (h != NULL
|
||||
+ && (h->root.type == bfd_link_hash_undefined
|
||||
+ || h->root.type == bfd_link_hash_undefweak)
|
||||
+ && h->root.u.undef.abfd)
|
||||
+ undef_bfd = h->root.u.undef.abfd;
|
||||
+ }
|
||||
+
|
||||
if (!_bfd_elf_merge_symbol (abfd, info, name, isym, &sec,
|
||||
&value, &old_alignment,
|
||||
sym_hash, &skip, &override,
|
||||
@@ -4437,9 +4452,12 @@ error_free_dyn:
|
||||
if ((elf_dyn_lib_class (abfd) & DYN_NO_NEEDED) != 0)
|
||||
{
|
||||
(*_bfd_error_handler)
|
||||
- (_("%B: invalid DSO for symbol `%s' definition"),
|
||||
+ (_("%B: undefined reference to symbol '%s'"),
|
||||
+ undef_bfd == NULL ? info->output_bfd : undef_bfd, name);
|
||||
+ (*_bfd_error_handler)
|
||||
+ (_("note: '%s' is defined in DSO %B so try adding it to the linker command line"),
|
||||
abfd, name);
|
||||
- bfd_set_error (bfd_error_bad_value);
|
||||
+ bfd_set_error (bfd_error_invalid_operation);
|
||||
goto error_free_vers;
|
||||
}
|
||||
|
||||
--
|
||||
1.7.2.1.44.g721e7
|
||||
|
||||
+87
@@ -0,0 +1,87 @@
|
||||
#! /bin/sh /usr/share/dpatch/dpatch-run
|
||||
## 202_elflink_noaddneeded_vs_weak.dpatch by <kirr@landau.phys.spbu.ru>
|
||||
##
|
||||
## All lines beginning with `## DP:' are a description of the patch.
|
||||
## DP: Fixes '-no-add-needed breaks linking with weak symbols'
|
||||
## DP: Upstream status: submitted upstream for binutils-2_20-branch
|
||||
|
||||
|
||||
2010-08-07 Kirill Smelkov <kirr@landau.phys.spbu.ru>
|
||||
|
||||
Backport from mainline:
|
||||
2010-01-21 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* elflink.c (elf_link_add_object_symbols): Look up name of
|
||||
undefined symbol both before and after versioning has been
|
||||
applied. Do not bother with symbols that are weakly undefined.
|
||||
|
||||
|
||||
@DPATCH@
|
||||
diff --git a/bfd/elflink.c b/bfd/elflink.c
|
||||
index 10eee8c..e058064 100644
|
||||
--- a/bfd/elflink.c
|
||||
+++ b/bfd/elflink.c
|
||||
@@ -3991,6 +3991,20 @@ error_free_dyn:
|
||||
unsigned int vernum = 0;
|
||||
bfd_boolean skip;
|
||||
|
||||
+ /* If this is a definition of a symbol which was previously
|
||||
+ referenced in a non-weak manner then make a note of the bfd
|
||||
+ that contained the reference. This is used if we need to
|
||||
+ refer to the source of the reference later on. */
|
||||
+ if (! bfd_is_und_section (sec))
|
||||
+ {
|
||||
+ h = elf_link_hash_lookup (elf_hash_table (info), name, FALSE, FALSE, FALSE);
|
||||
+
|
||||
+ if (h != NULL
|
||||
+ && h->root.type == bfd_link_hash_undefined
|
||||
+ && h->root.u.undef.abfd)
|
||||
+ undef_bfd = h->root.u.undef.abfd;
|
||||
+ }
|
||||
+
|
||||
if (ever == NULL)
|
||||
{
|
||||
if (info->default_imported_symver)
|
||||
@@ -4098,16 +4112,15 @@ error_free_dyn:
|
||||
name = newname;
|
||||
}
|
||||
|
||||
- /* If this is a definition of a previously undefined symbol
|
||||
- make a note of the bfd that contained the reference in
|
||||
- case we need to refer to it later on in error messages. */
|
||||
- if (! bfd_is_und_section (sec))
|
||||
+ /* If necessary, make a second attempt to locate the bfd
|
||||
+ containing an unresolved, non-weak reference to the
|
||||
+ current symbol. */
|
||||
+ if (! bfd_is_und_section (sec) && undef_bfd == NULL)
|
||||
{
|
||||
h = elf_link_hash_lookup (elf_hash_table (info), name, FALSE, FALSE, FALSE);
|
||||
|
||||
if (h != NULL
|
||||
- && (h->root.type == bfd_link_hash_undefined
|
||||
- || h->root.type == bfd_link_hash_undefweak)
|
||||
+ && h->root.type == bfd_link_hash_undefined
|
||||
&& h->root.u.undef.abfd)
|
||||
undef_bfd = h->root.u.undef.abfd;
|
||||
}
|
||||
@@ -4448,12 +4461,14 @@ error_free_dyn:
|
||||
/* A symbol from a library loaded via DT_NEEDED of some
|
||||
other library is referenced by a regular object.
|
||||
Add a DT_NEEDED entry for it. Issue an error if
|
||||
- --no-add-needed is used. */
|
||||
- if ((elf_dyn_lib_class (abfd) & DYN_NO_NEEDED) != 0)
|
||||
+ --no-add-needed is used and the reference was not
|
||||
+ a weak one. */
|
||||
+ if (undef_bfd != NULL
|
||||
+ && (elf_dyn_lib_class (abfd) & DYN_NO_NEEDED) != 0)
|
||||
{
|
||||
(*_bfd_error_handler)
|
||||
(_("%B: undefined reference to symbol '%s'"),
|
||||
- undef_bfd == NULL ? info->output_bfd : undef_bfd, name);
|
||||
+ undef_bfd, name);
|
||||
(*_bfd_error_handler)
|
||||
(_("note: '%s' is defined in DSO %B so try adding it to the linker command line"),
|
||||
abfd, name);
|
||||
--
|
||||
1.7.2.1.44.g721e7
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
require binutils.inc
|
||||
|
||||
PR = "r5"
|
||||
PR = "r6"
|
||||
|
||||
LIC_FILES_CHKSUM="\
|
||||
file://src-release;endline=17;md5=4830a9ef968f3b18dd5e9f2c00db2d35\
|
||||
@@ -30,6 +30,10 @@ SRC_URI = "\
|
||||
file://libiberty_path_fix.patch \
|
||||
file://binutils-poison.patch \
|
||||
file://libtool-rpath-fix.patch \
|
||||
file://152_arm_branches_to_weak_symbols.patch \
|
||||
file://200_elflink_%B_fixes.patch \
|
||||
file://201_elflink_improve_noaddneeded_errors.patch \
|
||||
file://202_elflink_noaddneeded_vs_weak.patch \
|
||||
"
|
||||
|
||||
SRC_URI[md5sum] = "9cdfb9d6ec0578c166d3beae5e15c4e5"
|
||||
|
||||
Reference in New Issue
Block a user