Developer Improvement: Get code coverage tool working with Hostboot

This commit fixes GCOV code coverage for P9 with GCC 4.9.2

Change-Id: Ie1e7c35f67414531dbd6e7a771ac1529a9ebd59d
RTC: 208351
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/76812
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Nicholas E. Bofferding <bofferdn@us.ibm.com>
Reviewed-by: Ilya Smirnov <ismirno@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/build/linker/linker.C b/src/build/linker/linker.C
index a9a9d0f5e..e5e53ad8a 100644
--- a/src/build/linker/linker.C
+++ b/src/build/linker/linker.C
@@ -439,6 +439,8 @@ int main(int argc, char** argv)
             //     A contained member value might be something like
             //     _ZZ3fooE3bar.
             string sym_name = string((i->c_str())+1);
+            const char* gcovstr = "__gcov";
+            size_t gcovstrlen = strlen(gcovstr);
 
             cout << "Checking weak symbol: " << *i << endl;
 
@@ -451,6 +453,12 @@ int main(int argc, char** argv)
                         == j->find("traceData_codeInfo"))
                     && (*i != *j))
                 {
+                    if (strncmp((*j).c_str(),
+                        gcovstr,
+                        gcovstrlen)==0)
+                    {
+                        continue;
+                    }
                     cout << "\tDuplicate member found: " << *j << endl;
                     throw std::runtime_error(
                                 string("Duplicate weak symbol with contained "