1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "ppapi/native_client/src/trusted/plugin/pnacl_resources.h" 6 7 #include "native_client/src/include/portability_io.h" 8 #include "native_client/src/shared/platform/nacl_check.h" 9 #include "native_client/src/trusted/desc/nacl_desc_wrapper.h" 10 #include "ppapi/c/pp_errors.h" 11 #include "ppapi/native_client/src/trusted/plugin/plugin.h" 12 #include "ppapi/native_client/src/trusted/plugin/utility.h" 13 14 namespace plugin { 15 16 namespace { 17 18 static const char kPnaclBaseUrl[] = "chrome://pnacl-translator/"; 19 20 std::string GetFullUrl(const std::string& partial_url) { 21 return std::string(kPnaclBaseUrl) + GetNaClInterface()->GetSandboxArch() + 22 "/" + partial_url; 23 } 24 25 } // namespace 26 27 PnaclResources::PnaclResources(Plugin* plugin) 28 : plugin_(plugin) { 29 llc_file_info_ = kInvalidNaClFileInfo; 30 ld_file_info_ = kInvalidNaClFileInfo; 31 } 32 33 PnaclResources::~PnaclResources() { 34 if (llc_file_info_.handle != PP_kInvalidFileHandle) 35 CloseFileHandle(llc_file_info_.handle); 36 if (ld_file_info_.handle != PP_kInvalidFileHandle) 37 CloseFileHandle(ld_file_info_.handle); 38 } 39 40 bool PnaclResources::ReadResourceInfo() { 41 PP_Var pp_llc_tool_name_var; 42 PP_Var pp_ld_tool_name_var; 43 if (!plugin_->nacl_interface()->GetPnaclResourceInfo( 44 plugin_->pp_instance(), 45 &pp_llc_tool_name_var, 46 &pp_ld_tool_name_var)) { 47 return false; 48 } 49 pp::Var llc_tool_name(pp::PASS_REF, pp_llc_tool_name_var); 50 pp::Var ld_tool_name(pp::PASS_REF, pp_ld_tool_name_var); 51 llc_tool_name_ = GetFullUrl(llc_tool_name.AsString()); 52 ld_tool_name_ = GetFullUrl(ld_tool_name.AsString()); 53 return true; 54 } 55 56 PP_NaClFileInfo PnaclResources::TakeLlcFileInfo() { 57 PP_NaClFileInfo to_return = llc_file_info_; 58 llc_file_info_ = kInvalidNaClFileInfo; 59 return to_return; 60 } 61 62 PP_NaClFileInfo PnaclResources::TakeLdFileInfo() { 63 PP_NaClFileInfo to_return = ld_file_info_; 64 ld_file_info_ = kInvalidNaClFileInfo; 65 return to_return; 66 } 67 68 bool PnaclResources::StartLoad() { 69 PLUGIN_PRINTF(("PnaclResources::StartLoad\n")); 70 71 // Do a blocking load of each of the resources. 72 plugin_->nacl_interface()->GetReadExecPnaclFd(llc_tool_name_.c_str(), 73 &llc_file_info_); 74 plugin_->nacl_interface()->GetReadExecPnaclFd(ld_tool_name_.c_str(), 75 &ld_file_info_); 76 return (llc_file_info_.handle != PP_kInvalidFileHandle && 77 ld_file_info_.handle != PP_kInvalidFileHandle); 78 } 79 80 } // namespace plugin 81
