diff options
Diffstat (limited to 'tools/lto')
| -rw-r--r-- | tools/lto/LTOModule.cpp | 11 | ||||
| -rw-r--r-- | tools/lto/LTOModule.h | 3 | ||||
| -rw-r--r-- | tools/lto/lto.cpp | 8 | ||||
| -rw-r--r-- | tools/lto/lto.exports | 1 |
4 files changed, 23 insertions, 0 deletions
diff --git a/tools/lto/LTOModule.cpp b/tools/lto/LTOModule.cpp index e2ecabcc1c..ca937bf2ff 100644 --- a/tools/lto/LTOModule.cpp +++ b/tools/lto/LTOModule.cpp @@ -87,6 +87,17 @@ LTOModule *LTOModule::makeLTOModule(const char *path, return makeLTOModule(buffer.get(), errMsg); } +LTOModule *LTOModule::makeLTOModule(int fd, const char *path, + off_t size, + std::string &errMsg) { + OwningPtr<MemoryBuffer> buffer; + if (error_code ec = MemoryBuffer::getOpenFile(fd, path, buffer, size)) { + errMsg = ec.message(); + return NULL; + } + return makeLTOModule(buffer.get(), errMsg); +} + /// makeBuffer - Create a MemoryBuffer from a memory range. MemoryBuffer /// requires the byte past end of the buffer to be a zero. We might get lucky /// and already be that way, otherwise make a copy. Also if next byte is on a diff --git a/tools/lto/LTOModule.h b/tools/lto/LTOModule.h index a19acc0d73..1794d81c0a 100644 --- a/tools/lto/LTOModule.h +++ b/tools/lto/LTOModule.h @@ -51,6 +51,9 @@ struct LTOModule { static LTOModule* makeLTOModule(const char* path, std::string& errMsg); + static LTOModule* makeLTOModule(int fd, const char *path, + off_t size, + std::string& errMsg); static LTOModule* makeLTOModule(const void* mem, size_t length, std::string& errMsg); diff --git a/tools/lto/lto.cpp b/tools/lto/lto.cpp index 75b40f4287..7d4871d925 100644 --- a/tools/lto/lto.cpp +++ b/tools/lto/lto.cpp @@ -91,6 +91,14 @@ lto_module_t lto_module_create(const char* path) return LTOModule::makeLTOModule(path, sLastErrorString); } +// +// loads an object file from disk +// returns NULL on error (check lto_get_error_message() for details) +// +lto_module_t lto_module_create_from_fd(int fd, const char *path, off_t size) +{ + return LTOModule::makeLTOModule(fd, path, size, sLastErrorString); +} // // loads an object file from memory diff --git a/tools/lto/lto.exports b/tools/lto/lto.exports index 4dbf760d38..a3740911ed 100644 --- a/tools/lto/lto.exports +++ b/tools/lto/lto.exports @@ -1,6 +1,7 @@ lto_get_error_message lto_get_version lto_module_create +lto_module_create_from_fd lto_module_create_from_memory lto_module_get_num_symbols lto_module_get_symbol_attribute |