diff --git a/contrib/llvm-project/libunwind/src/AddressSpace.hpp b/contrib/llvm-project/libunwind/src/AddressSpace.hpp index a4564cb67328..d9d17ddb7bf4 100644 --- a/contrib/llvm-project/libunwind/src/AddressSpace.hpp +++ b/contrib/llvm-project/libunwind/src/AddressSpace.hpp @@ -452,10 +452,12 @@ struct _LIBUNWIND_HIDDEN dl_iterate_cb_data { #error "_LIBUNWIND_SUPPORT_DWARF_UNWIND requires _LIBUNWIND_SUPPORT_DWARF_INDEX on this platform." #endif +#if defined(_LIBUNWIND_USE_FRAME_HEADER_CACHE) #include "FrameHeaderCache.hpp" // There should be just one of these per process. static FrameHeaderCache ProcessFrameHeaderCache; +#endif // _LIBUNWIND_USE_FRAME_HEADER_CACHE static bool checkAddrInSegment(const Elf_Phdr *phdr, size_t image_base, dl_iterate_cb_data *cbdata) { @@ -476,8 +478,10 @@ int findUnwindSectionsByPhdr(struct dl_phdr_info *pinfo, size_t pinfo_size, auto cbdata = static_cast(data); if (pinfo->dlpi_phnum == 0 || cbdata->targetAddr < pinfo->dlpi_addr) return 0; +#if defined(_LIBUNWIND_USE_FRAME_HEADER_CACHE) if (ProcessFrameHeaderCache.find(pinfo, pinfo_size, data)) return 1; +#endif // _LIBUNWIND_USE_FRAME_HEADER_CACHE Elf_Addr image_base = calculateImageBase(pinfo); bool found_obj = false; @@ -505,7 +509,9 @@ int findUnwindSectionsByPhdr(struct dl_phdr_info *pinfo, size_t pinfo_size, found_obj = checkAddrInSegment(phdr, image_base, cbdata); } if (found_obj && found_hdr) { +#if defined(_LIBUNWIND_USE_FRAME_HEADER_CACHE) ProcessFrameHeaderCache.add(cbdata->sects); +#endif // _LIBUNWIND_USE_FRAME_HEADER_CACHE return 1; } }