| /* |
| * Copyright 2010, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "RuntimeStub.h" |
| |
| #include <string.h> |
| #include <stdlib.h> |
| #include <assert.h> |
| |
| typedef struct { |
| const char *mName; |
| void *mPtr; |
| } RuntimeFunction; |
| |
| #if defined(__arm__) |
| #define DEF_GENERIC_RUNTIME(func) \ |
| extern void *func; |
| #define DEF_VFP_RUNTIME(func) \ |
| extern void *func ## vfp; |
| #define DEF_LLVM_RUNTIME(func) |
| #define DEF_BCC_RUNTIME(func) |
| #include "Runtime.def" |
| #endif |
| |
| static const RuntimeFunction gRuntimes[] = { |
| #if defined(__arm__) |
| #define DEF_GENERIC_RUNTIME(func) \ |
| { #func, (void*) &func }, |
| // TODO: enable only when target support VFP |
| #define DEF_VFP_RUNTIME(func) \ |
| { #func, (void*) &func ## vfp }, |
| #else |
| // host compiler library must contain generic runtime |
| #define DEF_GENERIC_RUNTIME(func) |
| #define DEF_VFP_RUNTIME(func) |
| #endif |
| #define DEF_LLVM_RUNTIME(func) \ |
| { #func, (void*) &func }, |
| #define DEF_BCC_RUNTIME(func) \ |
| { #func, &func ## _bcc }, |
| #include "Runtime.def" |
| }; |
| |
| static int CompareRuntimeFunction(const void *a, const void *b) { |
| return strcmp(((const RuntimeFunction*) a)->mName, |
| ((const RuntimeFunction*) b)->mName); |
| } |
| |
| void *FindRuntimeFunction(const char *Name) { |
| // binary search |
| const RuntimeFunction Key = { Name, NULL }; |
| const RuntimeFunction *R = |
| bsearch(&Key, |
| gRuntimes, |
| sizeof(gRuntimes) / sizeof(RuntimeFunction), |
| sizeof(RuntimeFunction), |
| CompareRuntimeFunction); |
| |
| return ((R) ? R->mPtr : NULL); |
| } |
| |
| void VerifyRuntimesTable() { |
| unsigned N = sizeof(gRuntimes) / sizeof(RuntimeFunction), i; |
| for(i = 0; i < N; i++) { |
| const char *Name = gRuntimes[i].mName; |
| int *Ptr = FindRuntimeFunction(Name); |
| |
| if (Ptr != (int*) gRuntimes[i].mPtr) |
| assert(false && "Table is corrupted (runtime name should be sorted in " |
| "Runtime.def)."); |
| } |
| } |