*hello On Mon, Aug 14, 2017 at 4:15 PM, Dave Watson <[email protected]> wrote: > On 08/12/17 07:21 AM, Vincent Torri wrote: >> Hello >> >> i am planning to work a bit on porting libunwind on Windows. Note that >> i don't know the internal of libunwind so my questions in that thread >> could be naive. > > Are you planning on writing full SEH support? For reference, libgcc's > unwind support for windows is here: > > https://github.com/gcc-mirror/gcc/blob/master/libgcc/unwind-seh.c > > vs. the equivalent dwarf that libunwind currently supports: > > https://github.com/gcc-mirror/gcc/blob/master/libgcc/unwind-dw2-fde.c
i am only interested in having dwarf unwind with libunwind >> Running make, the first error is the ucontext.h header file which is >> not found. Normal. >> >> After some grep, it appears that you call only getcontext() function. >> On Windows, the equivalent of ucontext_t type is the CONTEXT type and >> getcontext() equivalent is GetThreadContext() on the current thread. > > As far as I know, we only use the ucontext_t, so that we can be > comatible with the system getcontext() and setcontext(), the system > versions aren't actually called, and most platforms implement their > own, see the getcontext.S, etc. is there a reason to not use the system functions ? >> I can add a typedef for unw_tdep_context_t in libunwind-x86_64.h and >> port getcontext() somewhere to change at least as possible the current >> code. >> >> question: In which file should I put this getcontext() port ? > > Os-specific stuff goes in src/os-windows.c or arch & os specific in > src/arch/Gos-windows.c (either of which you'd have to create). if I use the system function, it's only os-specific. thank you Vincent Torri > Good luck! _______________________________________________ Libunwind-devel mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/libunwind-devel
