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Fix swbz22248, handle R_*_IRELATIV, swbz22004, ignore linux-vdso64.so.1

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This commit is contained in:
Stan Cox 2017-10-04 21:36:34 -04:00
parent b7f87017d7
commit 44469eb607
3 changed files with 49 additions and 1 deletions
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29
Object-elf.patch Normal file
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@ -0,0 +1,29 @@
# workaround for https://github.com/dyninst/dyninst/issues/396
--- ./dyninst-9.3.2/symtabAPI/src/Object-elf.C.sv 2017-09-27 21:43:18.399429243 -0400
+++ ./dyninst-9.3.2/symtabAPI/src/Object-elf.C 2017-09-27 21:56:14.485125928 -0400
@@ -1445,6 +1445,24 @@
if (fbt_iter == -1) { // Create new relocation entry.
relocationEntry re( next_plt_entry_addr, offset, targ_name,
NULL, type );
+ if (type == R_X86_64_IRELATIVE) {
+ vector<Symbol *> funcs;
+ dyn_hash_map<std::string, std::vector<Symbol *> >::iterator iter;
+ // find the resolver function and use that as the
+ // caller function symbol. The resolver has not run
+ // so we don't know the ultimate destination.
+ // Since the funcsByOffset map hasn't been setup yet
+ // we cannot call associated_symtab->findFuncByEntryOffset
+ for (iter = symbols_.begin(); iter != symbols_.end(); ++iter) {
+ std::string name = iter->first;
+ Symbol *sym = iter->second[0];
+ if (sym->getOffset() == (Offset)addend) {
+ // Use dynsym_list.push_back(sym) instead?
+ re.addDynSym(sym);
+ break;
+ }
+ }
+ }
re.setAddend(addend);
re.setRegionType(rtype);
if (dynsym_list.size() > 0)

12
addrtranslate-sysv.patch Normal file
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@ -0,0 +1,12 @@
# workaround for https://github.com/dyninst/dyninst/issues/406
--- dyninst-9.3.2/common/src/addrtranslate-sysv.C.sv 2017-10-03 21:32:23.608614189 -0400
+++ dyninst-9.3.2/common/src/addrtranslate-sysv.C 2017-10-03 21:33:36.538642148 -0400
@@ -800,6 +800,7 @@
continue;
}
if (obj_name == "linux-vdso.so.1" ||
+ obj_name == "linux-vdso64.so.1" ||
obj_name == "linux-gate.so.1")
{
continue;

9
dyninst.spec
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@ -2,7 +2,7 @@ Summary: An API for Run-time Code Generation
License: LGPLv2+
Name: dyninst
Group: Development/Libraries
Release: 6%{?dist}
Release: 7%{?dist}
URL: http://www.dyninst.org
Version: 9.3.2
# Dyninst only has full support for a few architectures.
@ -15,6 +15,8 @@ Source0: https://github.com/dyninst/dyninst/archive/v%{version}/dyninst-%{versio
Source1: https://github.com/dyninst/testsuite/archive/v9.3.0/testsuite-9.3.0.tar.gz
Patch1: testsuite-9.3.0-junit-nullptr.patch
Patch2: addrtranslate-sysv.patch
Patch3: Object-elf.patch
%global dyninst_base dyninst-%{version}
# Explicit version since it does not match the source version
@ -88,6 +90,8 @@ making sure that dyninst works properly.
%setup -q -T -D -a 1
%patch1 -p0 -b.nullptr
%patch2 -p0 -b.addrtrans
%patch3 -p0 -b.objelf
# cotire seems to cause non-deterministic gcc errors
# https://bugzilla.redhat.com/show_bug.cgi?id=1420551
@ -181,6 +185,9 @@ find %{buildroot}%{_libdir}/dyninst/testsuite/ \
%attr(644,root,root) %{_libdir}/dyninst/testsuite/*.a
%changelog
* Wed Oct 04 2017 Stan Cox <scox@redhat.com> - 9.3.2-7
- Fix swbz22248, handle R_*_IRELATIV, swbz22004, ignore linux-vdso64.so.1
* Sun Aug 06 2017 Björn Esser <besser82@fedoraproject.org> - 9.3.2-6
- Rebuilt for AutoReq cmake-filesystem