From 6256a0ea8fdd051e0f76ac422c353e4ac2b05d35 Mon Sep 17 00:00:00 2001 From: Justin Hibbits Date: Fri, 31 Oct 2014 02:34:28 +0000 Subject: First cut of PowerPC(64) support in LLDB. Summary: This adds preliminary support for PowerPC/PowerPC64, for FreeBSD. There are some issues still: * Breakpoints don't work well on powerpc64. * Shared libraries don't yet get loaded for a 32-bit process on powerpc64 host. * Backtraces don't work. This is due to PowerPC ABI using a backchain pointer in memory, instead of a dedicated frame pointer register for the backchain. * Breakpoints on functions without debug info may not work correctly for 32-bit powerpc. Reviewers: emaste, tfiala, jingham, clayborg Reviewed By: clayborg Subscribers: emaste, lldb-commits Differential Revision: http://reviews.llvm.org/D5988 llvm-svn: 220944 --- lldb/source/Plugins/Process/POSIX/POSIXThread.cpp | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'lldb/source/Plugins/Process/POSIX/POSIXThread.cpp') diff --git a/lldb/source/Plugins/Process/POSIX/POSIXThread.cpp b/lldb/source/Plugins/Process/POSIX/POSIXThread.cpp index 64c9de90800..1057585e1b2 100644 --- a/lldb/source/Plugins/Process/POSIX/POSIXThread.cpp +++ b/lldb/source/Plugins/Process/POSIX/POSIXThread.cpp @@ -34,12 +34,14 @@ #include "Plugins/Process/Linux/ProcessMonitor.h" #include "RegisterContextPOSIXProcessMonitor_arm64.h" #include "RegisterContextPOSIXProcessMonitor_mips64.h" +#include "RegisterContextPOSIXProcessMonitor_powerpc.h" #include "RegisterContextPOSIXProcessMonitor_x86.h" #include "Plugins/Process/Utility/RegisterContextLinux_arm64.h" #include "Plugins/Process/Utility/RegisterContextLinux_i386.h" #include "Plugins/Process/Utility/RegisterContextLinux_x86_64.h" #include "Plugins/Process/Utility/RegisterContextFreeBSD_i386.h" #include "Plugins/Process/Utility/RegisterContextFreeBSD_mips64.h" +#include "Plugins/Process/Utility/RegisterContextFreeBSD_powerpc.h" #include "Plugins/Process/Utility/RegisterContextFreeBSD_x86_64.h" #include "Plugins/Process/Utility/UnwindLLDB.h" @@ -167,6 +169,14 @@ POSIXThread::GetRegisterContext() case llvm::Triple::FreeBSD: switch (target_arch.GetMachine()) { + case llvm::Triple::ppc: +#ifndef __powerpc64__ + reg_interface = new RegisterContextFreeBSD_powerpc32(target_arch); + break; +#endif + case llvm::Triple::ppc64: + reg_interface = new RegisterContextFreeBSD_powerpc64(target_arch); + break; case llvm::Triple::mips64: reg_interface = new RegisterContextFreeBSD_mips64(target_arch); break; @@ -229,6 +239,14 @@ POSIXThread::GetRegisterContext() m_reg_context_sp.reset(reg_ctx); break; } + case llvm::Triple::ppc: + case llvm::Triple::ppc64: + { + RegisterContextPOSIXProcessMonitor_powerpc *reg_ctx = new RegisterContextPOSIXProcessMonitor_powerpc(*this, 0, reg_interface); + m_posix_thread = reg_ctx; + m_reg_context_sp.reset(reg_ctx); + break; + } case llvm::Triple::x86: case llvm::Triple::x86_64: { @@ -624,6 +642,8 @@ POSIXThread::GetRegisterIndexFromOffset(unsigned offset) case llvm::Triple::aarch64: case llvm::Triple::mips64: + case llvm::Triple::ppc: + case llvm::Triple::ppc64: case llvm::Triple::x86: case llvm::Triple::x86_64: { @@ -655,6 +675,8 @@ POSIXThread::GetRegisterName(unsigned reg) case llvm::Triple::aarch64: case llvm::Triple::mips64: + case llvm::Triple::ppc: + case llvm::Triple::ppc64: case llvm::Triple::x86: case llvm::Triple::x86_64: name = GetRegisterContext()->GetRegisterName(reg); -- cgit v1.2.3