Fix iOS build.

src/buildvm_asm.c

@@ -191,7 +191,8 @@ void emit_asm(BuildCtx *ctx)
   if (ctx->mode != BUILD_machasm)
     fprintf(ctx->fp, ".Lbegin:\n");
 
-#if LJ_TARGET_ARM && defined(__GNUC__) && !defined(__symbian__)
+#if LJ_TARGET_ARM && defined(__GNUC__) && !defined(__symbian__) && \
+    !LJ_TARGET_OSX
   /* This should really be moved into buildvm_arm.dasc. */
   fprintf(ctx->fp,
 	  ".fnstart\n"
@@ -227,7 +228,8 @@ void emit_asm(BuildCtx *ctx)
 #endif
   }
 
-#if LJ_TARGET_ARM && defined(__GNUC__) && !defined(__symbian__)
+#if LJ_TARGET_ARM && defined(__GNUC__) && !defined(__symbian__) && \
+    !LJ_TARGET_OSX
   fprintf(ctx->fp,
 	  ".globl lj_err_unwind_arm\n"
 	  ".personality lj_err_unwind_arm\n"

src/lj_asm.c

@@ -859,19 +859,23 @@ static uint32_t ir_khash(IRIns *ir)
   return hashrot(lo, hi);
 }
 
+#if !LJ_TARGET_X86ORX64 && LJ_TARGET_OSX
+void sys_icache_invalidate(void *start, size_t len);
+#endif
+
 /* Flush instruction cache. */
 static void asm_cache_flush(MCode *start, MCode *end)
 {
   VG_INVALIDATE(start, (char *)end-(char *)start);
 #if LJ_TARGET_X86ORX64
   UNUSED(start); UNUSED(end);
-#else
-#if defined(__GNUC__)
+#elif LJ_TARGET_OSX
+  sys_icache_invalidate(start, end-start);
+#elif defined(__GNUC__)
   __clear_cache(start, end);
 #else
 #error "Missing builtin to flush instruction cache"
 #endif
-#endif
 }
 
 /* -- Allocations --------------------------------------------------------- */

src/lj_err.c

@@ -178,7 +178,8 @@ static void *err_unwind(lua_State *L, void *stopcf, int errcode)
 
 /* -- External frame unwinding -------------------------------------------- */
 
-#if defined(__GNUC__) && !defined(__symbian__)
+#if defined(__GNUC__) && !defined(__symbian__) && \
+    !(LJ_TARGET_ARM && LJ_TARGET_OSX)
 
 #ifdef __clang__
 /* http://llvm.org/bugs/show_bug.cgi?id=8703 */

src/lj_ircall.h

@@ -182,8 +182,6 @@ LJ_DATA const CCallInfo lj_ir_callinfo[IRCALL__MAX+1];
 #define softfp_f2d __aeabi_f2d
 #define softfp_d2i __aeabi_d2iz
 #define softfp_d2ui __aeabi_d2uiz
-#define softfp_d2l __aeabi_d2lz
-#define softfp_d2ul __aeabi_d2ulz
 #define softfp_d2f __aeabi_d2f
 #define softfp_i2f __aeabi_i2f
 #define softfp_ui2f __aeabi_ui2f
@@ -191,8 +189,17 @@ LJ_DATA const CCallInfo lj_ir_callinfo[IRCALL__MAX+1];
 #define softfp_ul2f __aeabi_ul2f
 #define softfp_f2i __aeabi_f2iz
 #define softfp_f2ui __aeabi_f2uiz
+#if LJ_TARGET_OSX
+#define softfp_d2l __fixdfdi
+#define softfp_d2ul __fixunsdfdi
+#define softfp_f2l __fixsfdi
+#define softfp_f2ul __fixunssfdi
+#else
+#define softfp_d2l __aeabi_d2lz
+#define softfp_d2ul __aeabi_d2ulz
 #define softfp_f2l __aeabi_f2lz
 #define softfp_f2ul __aeabi_f2ulz
+#endif
 #else
 #error "Missing soft-float definitions for target architecture"
 #endif