[Lldb-commits] [PATCH] lldb: To allow cross-compilation of Linux/ProcessMonitor.cpp, hide PC-related stuff behind #ifdef's

[Paul Osmialowski]

Hi Todd,

I'm cross-compiling on desktop Linux (x86_64) for Linaro Linux 
(FoundationV8 AArch64 simulator) using Linaro's toolchain and its sysroot.

On Tue, 10 Jun 2014, Todd Fiala wrote:

> Hey Paul,
> Am I understanding you correctly that you are trying to cross compile this for Linux on a non-Linux box?
> 
> -Todd
> 
> 
> On Tue, Jun 10, 2014 at 12:51 PM, Paul Osmialowski <pawelo at king.net.pl> wrote:
>       To allow cross-compilation of Linux/ProcessMonitor.cpp, hide PC-related stuff behind #ifdef's. Note that struct user used in affected code has a field named i387 which is x86-specific, therefore
>       it should be compiled only for PC.
>
>       http://reviews.llvm.org/D4092
>
>       Files:
>         source/Plugins/Process/Linux/ProcessMonitor.cpp
>
>       Index: source/Plugins/Process/Linux/ProcessMonitor.cpp
>       ===================================================================
>       --- source/Plugins/Process/Linux/ProcessMonitor.cpp
>       +++ source/Plugins/Process/Linux/ProcessMonitor.cpp
>       @@ -764,6 +764,9 @@
>            const ArchSpec& arch = monitor->GetProcess().GetTarget().GetArchitecture();
>            switch(arch.GetMachine())
>            {
>       +#if defined(__i386__) || defined(__x86_64__)
>       +    // note that struct user used below has field named i387 which is x86-specific
>       +    // therefore case below should be compiled only for PC
>            case llvm::Triple::x86:
>            {
>                // Find the GS register location for our host architecture.
>       @@ -790,6 +793,7 @@
>                *m_addr = tmp[1];
>                break;
>            }
>       +#endif
>            case llvm::Triple::x86_64:
>                // Read the FS register base.
>                m_result = (PTRACE(PTRACE_ARCH_PRCTL, m_tid, m_addr, (void *)ARCH_GET_FS, 0) == 0);
>
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> 
> 
> 
> --
> Todd Fiala |
>  Software Engineer |
>  tfiala at google.com |
>  650-943-3180
> 
>