Fix llvm-libunwind context sizes (#114105)

* Fix llvm-libunwind context sizes

* Update __libunwind_config.h

* Revert riscv (we need to do it differently for 32 bit)

Author: am11

src/native/external/llvm-libunwind/include/__libunwind_config.h

@@ -42,7 +42,7 @@
 # if defined(__i386__)
 #  define _LIBUNWIND_TARGET_I386
 #  define _LIBUNWIND_CONTEXT_SIZE 13
-#  define _LIBUNWIND_CURSOR_SIZE 19
+#  define _LIBUNWIND_CURSOR_SIZE 20
 #  define _LIBUNWIND_HIGHEST_DWARF_REGISTER _LIBUNWIND_HIGHEST_DWARF_REGISTER_X86
 # elif defined(__x86_64__)
 #  define _LIBUNWIND_TARGET_X86_64 1
@@ -178,17 +178,13 @@
 #if __loongarch_grlen == 64
 #define _LIBUNWIND_CONTEXT_SIZE 98
 #define _LIBUNWIND_CURSOR_SIZE 110
-#elif defined(HOST_WASM)
-#define _LIBUNWIND_TARGET_WASM 1
-// TODO: Determine the right values
-#define _LIBUNWIND_CONTEXT_SIZE 0xbadf00d
-#define _LIBUNWIND_CURSOR_SIZE 0xbadf00d
 #else
 #error "Unsupported LoongArch ABI"
 #endif
 #define _LIBUNWIND_HIGHEST_DWARF_REGISTER                                      \
   _LIBUNWIND_HIGHEST_DWARF_REGISTER_LOONGARCH
 #elif defined(__wasm__)
+#define _LIBUNWIND_TARGET_WASM 1
 // Unused
 #define _LIBUNWIND_CONTEXT_SIZE 0
 #define _LIBUNWIND_CURSOR_SIZE 0