diff options
Diffstat (limited to 'toolchain/binutils/2.15.91.0.2/700-binutils-20040817-linkonce.patch')
| -rw-r--r-- | toolchain/binutils/2.15.91.0.2/700-binutils-20040817-linkonce.patch | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/toolchain/binutils/2.15.91.0.2/700-binutils-20040817-linkonce.patch b/toolchain/binutils/2.15.91.0.2/700-binutils-20040817-linkonce.patch deleted file mode 100644 index 97fa6eed60..0000000000 --- a/toolchain/binutils/2.15.91.0.2/700-binutils-20040817-linkonce.patch +++ /dev/null @@ -1,118 +0,0 @@ -From http://sources.redhat.com/ml/binutils/2004-08/msg00190.html - -Date: Tue, 17 Aug 2004 12:04:29 +0200 -From: Jakub Jelinek <jakub at redhat dot com> -To: binutils at sources dot redhat dot com -Subject: [PATCH] Fix `defined in discarded section' errors when building ia64 gcc -Message-ID: <20040817100429.GL30497@sunsite.ms.mff.cuni.cz> -Reply-To: Jakub Jelinek <jakub at redhat dot com> -References: <20040817090201.GK30497@sunsite.ms.mff.cuni.cz> -In-Reply-To: <20040817090201 dot GK30497 at sunsite dot ms dot mff dot cuni dot cz> - -On Tue, Aug 17, 2004 at 11:02:01AM +0200, Jakub Jelinek wrote: -> Current gcc 3.4.x (at least gcc-3_4-rhl-branch) doesn't build with CVS -> binutils (nor 2.15.91.0.2). -> The problem is that libstdc++.so linking fails with: -> `.gnu.linkonce.t._ZNSdD2Ev' referenced in section `.gnu.linkonce.ia64unw._ZNSdD2Ev' of .libs/sstream-inst.o: defined in discarded section `.gnu.linkonce.t._ZNSdD2Ev' of .libs/sstream-inst.o -> The problem is that both io-inst.s and sstream-inst.s have -> .gnu.linkonce.t._ZNSdD2Ev definition, but because io-inst.cc -> also instantiates some templates sstream-inst.cc doesn't instantiate, -> the inliner can do a better job in io-inst.cc. -> The result is that _ZNSdD2Ev in io-inst.cc is a leaf routine, while -> it is not in sstream-inst.cc (in assembly, -> _ZNSdD2Ev in io-inst.s starts with .prologue and no .save directives, -> while _ZNSdD2Ev] in sstream-inst.s has .prologue 12, 35 and some -> .save directives. -> IA-64 ABI allows leaf routines to have no unwind section at all, -> which means .gnu.linkonce.ia64unw._ZNSdD2Ev is not created in -> io-inst.o at all and as .gnu.linkonce.t._ZNSdD2Ev comes first -> and wins, .gnu.linkonce.ia64unw._ZNSdD2Ev in sstream.o suddenly -> references a discarded section. -> -> Not sure what should be done here, but certainly the compiler -> isn't at fault here, it is a binutils problem. -> One fix could be to create empty .gnu.linkonce.ia64unw.* section -> in assembler, another special case ia64 unwind sections in the linker. - -Here is a patch for the first possibility. -It certainly makes libstdc++.so to link and even the unwind info looks -good on brief skimming. - -2004-08-17 Jakub Jelinek <jakub@redhat.com> - - * config/tc-ia64.c (start_unwind_section): Add linkonce_empty - argument, don't do anything if current section is not - .gnu.linkonce.t.* and linkonce_empty is set. - (generate_unwind_image, dot_endp): Adjust callers, call - start_unwind_section (*, 1) if nothing will be put into the - section. - ---- binutils/gas/config/tc-ia64.c.jj 2004-07-30 11:42:24.000000000 +0200 -+++ binutils/gas/config/tc-ia64.c 2004-08-17 13:45:04.288173205 +0200 -@@ -1,5 +1,6 @@ - /* tc-ia64.c -- Assembler for the HP/Intel IA-64 architecture. -- Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. -+ Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 -+ Free Software Foundation, Inc. - Contributed by David Mosberger-Tang <davidm@hpl.hp.com> - - This file is part of GAS, the GNU Assembler. -@@ -3297,7 +3298,7 @@ static char *special_linkonce_name[] = - }; - - static void --start_unwind_section (const segT text_seg, int sec_index) -+start_unwind_section (const segT text_seg, int sec_index, int linkonce_empty) - { - /* - Use a slightly ugly scheme to derive the unwind section names from -@@ -3359,6 +3360,8 @@ start_unwind_section (const segT text_se - prefix = special_linkonce_name [sec_index - SPECIAL_SECTION_UNWIND]; - suffix += sizeof (".gnu.linkonce.t.") - 1; - } -+ else if (linkonce_empty) -+ return; - - prefix_len = strlen (prefix); - suffix_len = strlen (suffix); -@@ -3444,7 +3447,7 @@ generate_unwind_image (const segT text_s - expressionS exp; - bfd_reloc_code_real_type reloc; - -- start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO); -+ start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO, 0); - - /* Make sure the section has 4 byte alignment for ILP32 and - 8 byte alignment for LP64. */ -@@ -3485,6 +3488,8 @@ generate_unwind_image (const segT text_s - unwind.personality_routine = 0; - } - } -+ else -+ start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO, 1); - - free_saved_prologue_counts (); - unwind.list = unwind.tail = unwind.current_entry = NULL; -@@ -4164,7 +4169,7 @@ dot_endp (dummy) - subseg_set (md.last_text_seg, 0); - unwind.proc_end = expr_build_dot (); - -- start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND); -+ start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND, 0); - - /* Make sure that section has 4 byte alignment for ILP32 and - 8 byte alignment for LP64. */ -@@ -4204,6 +4209,9 @@ dot_endp (dummy) - bytes_per_address); - - } -+ else -+ start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND, 1); -+ - subseg_set (saved_seg, saved_subseg); - - /* Parse names of main and alternate entry points and set symbol sizes. */ - - - Jakub - |