--- /dev/null
+Fix ld segfault when compiling Qt 4.6.0 on powerpc. See:
+
+http://sourceware.org/bugzilla/show_bug.cgi?id=11088
+
+===================================================================
+RCS file: /cvs/src/src/include/elf/ppc.h,v
+retrieving revision 1.26
+retrieving revision 1.27
+diff -u -r1.26 -r1.27
+--- src/include/elf/ppc.h 2009/09/21 11:51:01 1.26
++++ src/include/elf/ppc.h 2009/12/17 05:45:25 1.27
+@@ -73,10 +73,9 @@
+
+ #ifndef RELOC_MACROS_GEN_FUNC
+ /* Fake relocations for branch stubs, only used internally by ld. */
+- RELOC_NUMBER (R_PPC_RELAX32, 48)
+- RELOC_NUMBER (R_PPC_RELAX32PC, 49)
+- RELOC_NUMBER (R_PPC_RELAX32_PLT, 50)
+- RELOC_NUMBER (R_PPC_RELAX32PC_PLT, 51)
++ RELOC_NUMBER (R_PPC_RELAX, 48)
++ RELOC_NUMBER (R_PPC_RELAX_PLT, 49)
++ RELOC_NUMBER (R_PPC_RELAX_PLTREL24, 50)
+ #endif
+
+ /* Relocs added to support TLS. */
+===================================================================
+RCS file: /cvs/src/src/bfd/elf32-ppc.c,v
+retrieving revision 1.272
+retrieving revision 1.273
+diff -u -r1.272 -r1.273
+--- src/bfd/elf32-ppc.c 2009/12/11 13:42:02 1.272
++++ src/bfd/elf32-ppc.c 2009/12/17 05:45:25 1.273
+@@ -3323,6 +3323,8 @@
+ {
+ struct plt_entry *ent;
+
++ if (addend < 32768)
++ sec = NULL;
+ for (ent = *plist; ent != NULL; ent = ent->next)
+ if (ent->sec == sec && ent->addend == addend)
+ break;
+@@ -3508,8 +3510,7 @@
+ if (info->shared)
+ addend = rel->r_addend;
+ }
+- if (!update_plt_info (abfd, ifunc,
+- addend < 32768 ? NULL : got2, addend))
++ if (!update_plt_info (abfd, ifunc, got2, addend))
+ return FALSE;
+ }
+ }
+@@ -3748,8 +3749,7 @@
+ addend = rel->r_addend;
+ }
+ h->needs_plt = 1;
+- if (!update_plt_info (abfd, &h->plt.plist,
+- addend < 32768 ? NULL : got2, addend))
++ if (!update_plt_info (abfd, &h->plt.plist, got2, addend))
+ return FALSE;
+ }
+ break;
+@@ -3780,10 +3780,9 @@
+ case R_PPC_EMB_MRKREF:
+ case R_PPC_NONE:
+ case R_PPC_max:
+- case R_PPC_RELAX32:
+- case R_PPC_RELAX32PC:
+- case R_PPC_RELAX32_PLT:
+- case R_PPC_RELAX32PC_PLT:
++ case R_PPC_RELAX:
++ case R_PPC_RELAX_PLT:
++ case R_PPC_RELAX_PLTREL24:
+ break;
+
+ /* These should only appear in dynamic objects. */
+@@ -4486,7 +4485,7 @@
+ struct plt_entry *ent;
+
+ ent = find_plt_ent (&h->plt.plist, NULL, 0);
+- if (ent->plt.refcount > 0)
++ if (ent != NULL && ent->plt.refcount > 0)
+ ent->plt.refcount -= 1;
+ }
+ }
+@@ -4534,7 +4533,7 @@
+ if (r_type == R_PPC_PLTREL24 && info->shared)
+ addend = rel->r_addend;
+ ent = find_plt_ent (&h->plt.plist, got2, addend);
+- if (ent->plt.refcount > 0)
++ if (ent != NULL && ent->plt.refcount > 0)
+ ent->plt.refcount -= 1;
+ }
+ break;
+@@ -4582,9 +4581,10 @@
+ && tga->root.type == bfd_link_hash_undefweak)))
+ {
+ struct plt_entry *ent;
+- ent = find_plt_ent (&tga->plt.plist, NULL, 0);
+- if (ent != NULL
+- && ent->plt.refcount > 0)
++ for (ent = tga->plt.plist; ent != NULL; ent = ent->next)
++ if (ent->plt.refcount > 0)
++ break;
++ if (ent != NULL)
+ {
+ tga->root.type = bfd_link_hash_indirect;
+ tga->root.u.i.link = &opt->root;
+@@ -4669,6 +4669,7 @@
+ {
+ Elf_Internal_Sym *locsyms = NULL;
+ Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (ibfd);
++ asection *got2 = bfd_get_section_by_name (ibfd, ".got2");
+
+ for (sec = ibfd->sections; sec != NULL; sec = sec->next)
+ if (sec->has_tls_reloc && !bfd_is_abs_section (sec->output_section))
+@@ -4762,6 +4763,13 @@
+ else
+ continue;
+
++ case R_PPC_TLSGD:
++ case R_PPC_TLSLD:
++ expecting_tls_get_addr = 2;
++ tls_set = 0;
++ tls_clear = 0;
++ break;
++
+ default:
+ continue;
+ }
+@@ -4769,7 +4777,8 @@
+ if (pass == 0)
+ {
+ if (!expecting_tls_get_addr
+- || !sec->has_tls_get_addr_call)
++ || (expecting_tls_get_addr == 1
++ && !sec->has_tls_get_addr_call))
+ continue;
+
+ if (rel + 1 < relend
+@@ -4785,6 +4794,23 @@
+ break;
+ }
+
++ if (expecting_tls_get_addr)
++ {
++ struct plt_entry *ent;
++ bfd_vma addend = 0;
++
++ if (info->shared
++ && ELF32_R_TYPE (rel[1].r_info) == R_PPC_PLTREL24)
++ addend = rel[1].r_addend;
++ ent = find_plt_ent (&htab->tls_get_addr->plt.plist,
++ got2, addend);
++ if (ent != NULL && ent->plt.refcount > 0)
++ ent->plt.refcount -= 1;
++
++ if (expecting_tls_get_addr == 2)
++ continue;
++ }
++
+ if (h != NULL)
+ {
+ tls_mask = &ppc_elf_hash_entry (h)->tls_mask;
+@@ -4829,16 +4855,6 @@
+ *got_count -= 1;
+ }
+
+- if (expecting_tls_get_addr)
+- {
+- struct plt_entry *ent;
+-
+- ent = find_plt_ent (&htab->tls_get_addr->plt.plist,
+- NULL, 0);
+- if (ent != NULL && ent->plt.refcount > 0)
+- ent->plt.refcount -= 1;
+- }
+-
+ *tls_mask |= tls_set;
+ *tls_mask &= ~tls_clear;
+ }
+@@ -6239,28 +6255,28 @@
+ {
+ size = 4 * ARRAY_SIZE (shared_stub_entry);
+ insn_offset = 12;
+- stub_rtype = R_PPC_RELAX32PC;
+ }
+ else
+ {
+ size = 4 * ARRAY_SIZE (stub_entry);
+ insn_offset = 0;
+- stub_rtype = R_PPC_RELAX32;
+ }
+-
+- if (R_PPC_RELAX32_PLT - R_PPC_RELAX32
+- != R_PPC_RELAX32PC_PLT - R_PPC_RELAX32PC)
+- abort ();
++ stub_rtype = R_PPC_RELAX;
+ if (tsec == htab->plt
+ || tsec == htab->glink)
+- stub_rtype += R_PPC_RELAX32_PLT - R_PPC_RELAX32;
++ {
++ stub_rtype = R_PPC_RELAX_PLT;
++ if (r_type == R_PPC_PLTREL24)
++ stub_rtype = R_PPC_RELAX_PLTREL24;
++ }
+
+ /* Hijack the old relocation. Since we need two
+ relocations for this use a "composite" reloc. */
+ irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
+ stub_rtype);
+ irel->r_offset = trampoff + insn_offset;
+- if (r_type == R_PPC_PLTREL24)
++ if (r_type == R_PPC_PLTREL24
++ && stub_rtype != R_PPC_RELAX_PLTREL24)
+ irel->r_addend = 0;
+
+ /* Record the fixup so we don't do it again this section. */
+@@ -6430,7 +6446,7 @@
+ {
+ /* Convert the internal relax relocs to external form. */
+ for (irel = internal_relocs; irel < irelend; irel++)
+- if (ELF32_R_TYPE (irel->r_info) == R_PPC_RELAX32)
++ if (ELF32_R_TYPE (irel->r_info) == R_PPC_RELAX)
+ {
+ unsigned long r_symndx = ELF32_R_SYM (irel->r_info);
+
+@@ -7669,12 +7685,20 @@
+ }
+ break;
+
+- case R_PPC_RELAX32PC_PLT:
+- case R_PPC_RELAX32_PLT:
++ case R_PPC_RELAX_PLT:
++ case R_PPC_RELAX_PLTREL24:
+ if (h != NULL)
+ {
+- struct plt_entry *ent = find_plt_ent (&h->plt.plist, got2,
+- info->shared ? addend : 0);
++ struct plt_entry *ent;
++ bfd_vma got2_addend = 0;
++
++ if (r_type == R_PPC_RELAX_PLTREL24)
++ {
++ if (info->shared)
++ got2_addend = addend;
++ addend = 0;
++ }
++ ent = find_plt_ent (&h->plt.plist, got2, got2_addend);
+ if (htab->plt_type == PLT_NEW)
+ relocation = (htab->glink->output_section->vma
+ + htab->glink->output_offset
+@@ -7684,18 +7708,14 @@
+ + htab->plt->output_offset
+ + ent->plt.offset);
+ }
+- if (r_type == R_PPC_RELAX32_PLT)
+- goto relax32;
+ /* Fall thru */
+
+- case R_PPC_RELAX32PC:
+- relocation -= (input_section->output_section->vma
+- + input_section->output_offset
+- + rel->r_offset - 4);
+- /* Fall thru */
++ case R_PPC_RELAX:
++ if (info->shared)
++ relocation -= (input_section->output_section->vma
++ + input_section->output_offset
++ + rel->r_offset - 4);
+
+- case R_PPC_RELAX32:
+- relax32:
+ {
+ unsigned long t0;
+ unsigned long t1;
git.openpandora.org / openembedded.git / commitdiff