caio/clang-p2996
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add support for kalimba architecture variants 3, 4 and 5.

Browse Source 
Add entries to core_definitions and elf_arch_entries for
those variants. Select the subtype for the variant by parsing
the e_flags field of the elf header.

llvm-svn: 216541
This commit is contained in:
Matthew Gardiner
2014-08-27 12:09:39 +00:00
parent 168c8aa679
commit 5f67579f69
3 changed files with 61 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
View File

@@ -258,6 +258,35 @@ ELFNote::Parse(const DataExtractor &data, lldb::offset_t *offset)
return true;
}
static uint32_t
kalimbaVariantFromElfFlags(const elf::elf_word e_flags)
{
const uint32_t dsp_rev = e_flags & 0xFF;
uint32_t kal_arch_variant = LLDB_INVALID_CPUTYPE;
switch(dsp_rev)
{
// TODO(mg11) Support more variants
case 10:
kal_arch_variant = 3;
break;
case 14:
kal_arch_variant = 4;
break;
default:
break;
}
return kal_arch_variant;
}
static uint32_t
subTypeFromElfHeader(const elf::ELFHeader& header)
{
return
llvm::ELF::EM_CSR_KALIMBA == header.e_machine ?
kalimbaVariantFromElfFlags(header.e_flags) :
LLDB_INVALID_CPUTYPE;
}
// Arbitrary constant used as UUID prefix for core files.
const uint32_t
ObjectFileELF::g_core_uuid_magic(0xE210C);
@@ -545,9 +574,12 @@ ObjectFileELF::GetModuleSpecifications (const lldb_private::FileSpec& file,
{
ModuleSpec spec;
spec.GetFileSpec() = file;
const uint32_t sub_type = subTypeFromElfHeader(header);
spec.GetArchitecture().SetArchitecture(eArchTypeELF,
header.e_machine,
LLDB_INVALID_CPUTYPE);
sub_type);
if (spec.GetArchitecture().IsValid())
{
llvm::Triple::OSType ostype;
@@ -1270,7 +1302,9 @@ ObjectFileELF::GetSectionHeaderInfo(SectionHeaderColl &section_headers,
// We'll refine this with note data as we parse the notes.
if (arch_spec.GetTriple ().getOS () == llvm::Triple::OSType::UnknownOS)
{
arch_spec.SetArchitecture (eArchTypeELF, header.e_machine, LLDB_INVALID_CPUTYPE);
const uint32_t sub_type = subTypeFromElfHeader(header);
arch_spec.SetArchitecture (eArchTypeELF, header.e_machine, sub_type);
switch (arch_spec.GetAddressByteSize())
{
case 4: