| //===-- RegisterUtilities.h -------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLDB_REGISTERUTILITIES_H |
| #define LLDB_REGISTERUTILITIES_H |
| |
| #include "Plugins/ObjectFile/ELF/ObjectFileELF.h" |
| #include "lldb/Utility/DataExtractor.h" |
| |
| namespace lldb_private { |
| /// Core files PT_NOTE segment descriptor types |
| |
| namespace FREEBSD { |
| enum { |
| NT_PRSTATUS = 1, |
| NT_FPREGSET, |
| NT_PRPSINFO, |
| NT_THRMISC = 7, |
| NT_PROCSTAT_AUXV = 16, |
| NT_PPC_VMX = 0x100 |
| }; |
| } |
| |
| namespace NETBSD { |
| enum { NT_PROCINFO = 1, NT_AUXV, NT_AMD64_REGS = 33, NT_AMD64_FPREGS = 35 }; |
| } |
| |
| namespace OPENBSD { |
| enum { |
| NT_PROCINFO = 10, |
| NT_AUXV = 11, |
| NT_REGS = 20, |
| NT_FPREGS = 21, |
| }; |
| } |
| |
| namespace LINUX { |
| enum { |
| NT_PRSTATUS = 1, |
| NT_FPREGSET, |
| NT_PRPSINFO, |
| NT_TASKSTRUCT, |
| NT_PLATFORM, |
| NT_AUXV, |
| NT_FILE = 0x46494c45, |
| NT_SIGINFO = 0x53494749, |
| NT_PPC_VMX = 0x100, |
| NT_PPC_VSX = 0x102, |
| NT_PRXFPREG = 0x46e62b7f, |
| }; |
| } |
| |
| struct CoreNote { |
| ELFNote info; |
| DataExtractor data; |
| }; |
| |
| // A structure describing how to find a register set in a core file from a given |
| // OS. |
| struct RegsetDesc { |
| // OS to which this entry applies to. Must not be UnknownOS. |
| llvm::Triple::OSType OS; |
| |
| // Architecture to which this entry applies to. Can be UnknownArch, in which |
| // case it applies to all architectures of a given OS. |
| llvm::Triple::ArchType Arch; |
| |
| // The note type under which the register set can be found. |
| uint32_t Note; |
| }; |
| |
| // Returns the register set in Notes which corresponds to the specified Triple |
| // according to the list of register set descriptions in RegsetDescs. The list |
| // is scanned linearly, so you can use a more specific entry (e.g. linux-i386) |
| // to override a more general entry (e.g. general linux), as long as you place |
| // it earlier in the list. If a register set is not found, it returns an empty |
| // DataExtractor. |
| DataExtractor getRegset(llvm::ArrayRef<CoreNote> Notes, |
| const llvm::Triple &Triple, |
| llvm::ArrayRef<RegsetDesc> RegsetDescs); |
| |
| constexpr RegsetDesc FPR_Desc[] = { |
| {llvm::Triple::FreeBSD, llvm::Triple::UnknownArch, FREEBSD::NT_FPREGSET}, |
| // In a i386 core file NT_FPREGSET is present, but it's not the result |
| // of the FXSAVE instruction like in 64 bit files. |
| // The result from FXSAVE is in NT_PRXFPREG for i386 core files |
| {llvm::Triple::Linux, llvm::Triple::x86, LINUX::NT_PRXFPREG}, |
| {llvm::Triple::Linux, llvm::Triple::UnknownArch, LINUX::NT_FPREGSET}, |
| {llvm::Triple::NetBSD, llvm::Triple::x86_64, NETBSD::NT_AMD64_FPREGS}, |
| {llvm::Triple::OpenBSD, llvm::Triple::UnknownArch, OPENBSD::NT_FPREGS}, |
| }; |
| |
| constexpr RegsetDesc PPC_VMX_Desc[] = { |
| {llvm::Triple::FreeBSD, llvm::Triple::UnknownArch, FREEBSD::NT_PPC_VMX}, |
| {llvm::Triple::Linux, llvm::Triple::UnknownArch, LINUX::NT_PPC_VMX}, |
| }; |
| |
| constexpr RegsetDesc PPC_VSX_Desc[] = { |
| {llvm::Triple::Linux, llvm::Triple::UnknownArch, LINUX::NT_PPC_VSX}, |
| }; |
| |
| } // namespace lldb_private |
| |
| #endif // #ifndef LLDB_REGISTERUTILITIES_H |