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| author | Sagar Thakur <sagar.thakur@imgtec.com> | 2016-05-20 12:07:27 +0000 |
|---|---|---|
| committer | Sagar Thakur <sagar.thakur@imgtec.com> | 2016-05-20 12:07:27 +0000 |
| commit | 71b1decd72f4978aa26e3e75280479e5a2d52286 (patch) | |
| tree | 8aff2b43b217de2c8c411761d2e3f80bd68b7409 /lldb/source/Plugins/ObjectFile/ELF | |
| parent | a23ac3d24981a67690f8408ee1b491699f18ccb8 (diff) | |
| download | bcm5719-llvm-71b1decd72f4978aa26e3e75280479e5a2d52286.tar.gz bcm5719-llvm-71b1decd72f4978aa26e3e75280479e5a2d52286.zip | |
[LLDB][MIPS] Fix floating point handling in case of thread step-out
Patch by Nitesh Jain.
Summary: These patch fix thread step-out for hard and soft float.
Reviewers: clayborg, bhushan, jaydeep
Subscribers: mohit.bhakkad, sagar, sdardis
Differential: D20416
llvm-svn: 270207
Diffstat (limited to 'lldb/source/Plugins/ObjectFile/ELF')
| -rw-r--r-- | lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp index 7f963c9f3f9..383cbb1bfe7 100644 --- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp +++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp @@ -33,6 +33,7 @@ #include "llvm/ADT/StringRef.h" #include "llvm/Support/ARMBuildAttributes.h" #include "llvm/Support/MathExtras.h" +#include "llvm/Support/MipsABIFlags.h" #define CASE_AND_STREAM(s, def, width) \ case def: s->Printf("%-*s", width, #def); break; @@ -1706,8 +1707,39 @@ ObjectFileELF::GetSectionHeaderInfo(SectionHeaderColl §ion_headers, if (section_size && (set_data (data, sheader.sh_offset, section_size) == section_size)) { - lldb::offset_t ase_offset = 12; // MIPS ABI Flags Version: 0 - arch_flags |= data.GetU32 (&ase_offset); + // MIPS ASE Mask is at offset 12 in MIPS.abiflags section + lldb::offset_t offset = 12; // MIPS ABI Flags Version: 0 + arch_flags |= data.GetU32 (&offset); + + // The floating point ABI is at offset 7 + offset = 7; + switch (data.GetU8 (&offset)) + { + case llvm::Mips::Val_GNU_MIPS_ABI_FP_ANY : + arch_flags |= lldb_private::ArchSpec::eMIPS_ABI_FP_ANY; + break; + case llvm::Mips::Val_GNU_MIPS_ABI_FP_DOUBLE : + arch_flags |= lldb_private::ArchSpec::eMIPS_ABI_FP_DOUBLE; + break; + case llvm::Mips::Val_GNU_MIPS_ABI_FP_SINGLE : + arch_flags |= lldb_private::ArchSpec::eMIPS_ABI_FP_SINGLE; + break; + case llvm::Mips::Val_GNU_MIPS_ABI_FP_SOFT : + arch_flags |= lldb_private::ArchSpec::eMIPS_ABI_FP_SOFT; + break; + case llvm::Mips::Val_GNU_MIPS_ABI_FP_OLD_64 : + arch_flags |= lldb_private::ArchSpec::eMIPS_ABI_FP_OLD_64; + break; + case llvm::Mips::Val_GNU_MIPS_ABI_FP_XX : + arch_flags |= lldb_private::ArchSpec::eMIPS_ABI_FP_XX; + break; + case llvm::Mips::Val_GNU_MIPS_ABI_FP_64 : + arch_flags |= lldb_private::ArchSpec::eMIPS_ABI_FP_64; + break; + case llvm::Mips::Val_GNU_MIPS_ABI_FP_64A : + arch_flags |= lldb_private::ArchSpec::eMIPS_ABI_FP_64A; + break; + } } } // Settings appropriate ArchSpec ABI Flags |
