1 //===-- report_linux.cpp ----------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "platform.h" 10 11 #if SCUDO_LINUX || SCUDO_TRUSTY 12 13 #include "common.h" 14 #include "internal_defs.h" 15 #include "report.h" 16 #include "report_linux.h" 17 #include "string_utils.h" 18 19 #include <errno.h> 20 #include <stdlib.h> 21 #include <string.h> 22 23 namespace scudo { 24 25 // Fatal internal map() error (potentially OOM related). 26 void NORETURN reportMapError(uptr SizeIfOOM) { 27 ScopedString Error; 28 Error.append("Scudo ERROR: internal map failure (error desc=%s)", 29 strerror(errno)); 30 if (SizeIfOOM) 31 Error.append(" requesting %zuKB", SizeIfOOM >> 10); 32 Error.append("\n"); 33 reportRawError(Error.data()); 34 } 35 36 void NORETURN reportUnmapError(uptr Addr, uptr Size) { 37 ScopedString Error; 38 Error.append("Scudo ERROR: internal unmap failure (error desc=%s) Addr 0x%zx " 39 "Size %zu\n", 40 strerror(errno), Addr, Size); 41 reportRawError(Error.data()); 42 } 43 44 void NORETURN reportProtectError(uptr Addr, uptr Size, int Prot) { 45 ScopedString Error; 46 Error.append( 47 "Scudo ERROR: internal protect failure (error desc=%s) Addr 0x%zx " 48 "Size %zu Prot %x\n", 49 strerror(errno), Addr, Size, Prot); 50 reportRawError(Error.data()); 51 } 52 53 } // namespace scudo 54 55 #endif // SCUDO_LINUX || SCUDO_TRUSTY 56