Mercurial > hg > CbC > CbC_llvm
diff libunwind/src/AddressSpace.hpp @ 252:1f2b6ac9f198 llvm-original
LLVM16-1
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Fri, 18 Aug 2023 09:04:13 +0900 |
parents | c4bab56944e8 |
children |
line wrap: on
line diff
--- a/libunwind/src/AddressSpace.hpp Wed Nov 09 17:47:54 2022 +0900 +++ b/libunwind/src/AddressSpace.hpp Fri Aug 18 09:04:13 2023 +0900 @@ -66,6 +66,10 @@ // In 10.7.0 or later, libSystem.dylib implements this function. extern "C" bool _dyld_find_unwind_sections(void *, dyld_unwind_sections *); +namespace libunwind { + bool findDynamicUnwindSections(void *, unw_dynamic_unwind_sections *); +} + #elif defined(_LIBUNWIND_SUPPORT_DWARF_UNWIND) && defined(_LIBUNWIND_IS_BAREMETAL) // When statically linked on bare-metal, the symbols for the EH table are looked @@ -246,7 +250,7 @@ inline int64_t LocalAddressSpace::getSLEB128(pint_t &addr, pint_t end) { const uint8_t *p = (uint8_t *)addr; const uint8_t *pend = (uint8_t *)end; - int64_t result = 0; + uint64_t result = 0; int bit = 0; uint8_t byte; do { @@ -260,7 +264,7 @@ if ((byte & 0x40) != 0 && bit < 64) result |= (-1ULL) << bit; addr = (pint_t) p; - return result; + return (int64_t)result; } inline LocalAddressSpace::pint_t @@ -497,6 +501,22 @@ info.compact_unwind_section_length = (size_t)dyldInfo.compact_unwind_section_length; return true; } + + unw_dynamic_unwind_sections dynamicUnwindSectionInfo; + if (findDynamicUnwindSections((void *)targetAddr, + &dynamicUnwindSectionInfo)) { + info.dso_base = dynamicUnwindSectionInfo.dso_base; +#if defined(_LIBUNWIND_SUPPORT_DWARF_UNWIND) + info.dwarf_section = (uintptr_t)dynamicUnwindSectionInfo.dwarf_section; + info.dwarf_section_length = dynamicUnwindSectionInfo.dwarf_section_length; +#endif + info.compact_unwind_section = + (uintptr_t)dynamicUnwindSectionInfo.compact_unwind_section; + info.compact_unwind_section_length = + dynamicUnwindSectionInfo.compact_unwind_section_length; + return true; + } + #elif defined(_LIBUNWIND_SUPPORT_DWARF_UNWIND) && defined(_LIBUNWIND_IS_BAREMETAL) info.dso_base = 0; // Bare metal is statically linked, so no need to ask the dynamic loader