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append the ELF flags for sram-ecc and xnack to the target triple per code object

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[ROCm/clr commit: 4d0dc45078]
This commit is contained in:
David Salinas
2019-03-29 17:57:17 -04:00
parent cfe930f9d6
commit d1f4e7ea54
1 changed files with 14 additions and 0 deletions
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projects/clr/hipamd/include/hip/hcc_detail/code_object_bundle.hpp
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@@ -31,6 +31,8 @@ THE SOFTWARE.
#include <string> #include <string>
#include <utility> #include <utility>
#include <vector> #include <vector>
#include <sstream>
#include "elfio/elfio.hpp"
namespace hip_impl { namespace hip_impl {
@@ -124,6 +126,18 @@ class Bundled_code_header {
std::copy_n(f + y.header.offset, y.header.bundle_sz, std::back_inserter(y.blob)); std::copy_n(f + y.header.offset, y.header.bundle_sz, std::back_inserter(y.blob));
// we need to read the blob (ELF) for this bundle to get the feature flags
std::stringstream tmp{std::string{y.blob.cbegin(), y.blob.cend()}};
ELFIO::elfio reader;
if (reader.load(tmp)) {
unsigned int xnack_enabled = reader.get_flags() & 0x100;
unsigned int sram_ecc_enabled = reader.get_flags() & 0x200;
if (xnack_enabled)
y.triple.append("+xnack");
if (sram_ecc_enabled)
y.triple.append("+sram-ecc");
}
it += y.header.triple_sz; it += y.header.triple_sz;
x.bundled_code_size = std::max(x.bundled_code_size, x.bundled_code_size = std::max(x.bundled_code_size,