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-rw-r--r--lib/Support/Path.cpp211
1 files changed, 1 insertions, 210 deletions
diff --git a/lib/Support/Path.cpp b/lib/Support/Path.cpp
index d070375..7ddaf1e 100644
--- a/lib/Support/Path.cpp
+++ b/lib/Support/Path.cpp
@@ -15,6 +15,7 @@
#include "llvm/Config/config.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/PathV1.h"
#include <cassert>
#include <cstring>
#include <ostream>
@@ -37,121 +38,6 @@ bool Path::operator<(const Path& that) const {
return path < that.path;
}
-LLVMFileType
-sys::IdentifyFileType(const char *magic, unsigned length) {
- assert(magic && "Invalid magic number string");
- assert(length >=4 && "Invalid magic number length");
- switch ((unsigned char)magic[0]) {
- case 0xDE: // 0x0B17C0DE = BC wraper
- if (magic[1] == (char)0xC0 && magic[2] == (char)0x17 &&
- magic[3] == (char)0x0B)
- return Bitcode_FileType;
- break;
- case 'B':
- if (magic[1] == 'C' && magic[2] == (char)0xC0 && magic[3] == (char)0xDE)
- return Bitcode_FileType;
- break;
- case '!':
- if (length >= 8)
- if (memcmp(magic,"!<arch>\n",8) == 0)
- return Archive_FileType;
- break;
-
- case '\177':
- if (magic[1] == 'E' && magic[2] == 'L' && magic[3] == 'F') {
- bool Data2MSB = magic[5] == 2;
- unsigned high = Data2MSB ? 16 : 17;
- unsigned low = Data2MSB ? 17 : 16;
- if (length >= 18 && magic[high] == 0)
- switch (magic[low]) {
- default: break;
- case 1: return ELF_Relocatable_FileType;
- case 2: return ELF_Executable_FileType;
- case 3: return ELF_SharedObject_FileType;
- case 4: return ELF_Core_FileType;
- }
- }
- break;
-
- case 0xCA:
- if (magic[1] == char(0xFE) && magic[2] == char(0xBA) &&
- magic[3] == char(0xBE)) {
- // This is complicated by an overlap with Java class files.
- // See the Mach-O section in /usr/share/file/magic for details.
- if (length >= 8 && magic[7] < 43)
- // FIXME: Universal Binary of any type.
- return Mach_O_DynamicallyLinkedSharedLib_FileType;
- }
- break;
-
- // The two magic numbers for mach-o are:
- // 0xfeedface - 32-bit mach-o
- // 0xfeedfacf - 64-bit mach-o
- case 0xFE:
- case 0xCE:
- case 0xCF: {
- uint16_t type = 0;
- if (magic[0] == char(0xFE) && magic[1] == char(0xED) &&
- magic[2] == char(0xFA) &&
- (magic[3] == char(0xCE) || magic[3] == char(0xCF))) {
- /* Native endian */
- if (length >= 16) type = magic[14] << 8 | magic[15];
- } else if ((magic[0] == char(0xCE) || magic[0] == char(0xCF)) &&
- magic[1] == char(0xFA) && magic[2] == char(0xED) &&
- magic[3] == char(0xFE)) {
- /* Reverse endian */
- if (length >= 14) type = magic[13] << 8 | magic[12];
- }
- switch (type) {
- default: break;
- case 1: return Mach_O_Object_FileType;
- case 2: return Mach_O_Executable_FileType;
- case 3: return Mach_O_FixedVirtualMemorySharedLib_FileType;
- case 4: return Mach_O_Core_FileType;
- case 5: return Mach_O_PreloadExecutable_FileType;
- case 6: return Mach_O_DynamicallyLinkedSharedLib_FileType;
- case 7: return Mach_O_DynamicLinker_FileType;
- case 8: return Mach_O_Bundle_FileType;
- case 9: return Mach_O_DynamicallyLinkedSharedLibStub_FileType;
- case 10: return Mach_O_DSYMCompanion_FileType;
- }
- break;
- }
- case 0xF0: // PowerPC Windows
- case 0x83: // Alpha 32-bit
- case 0x84: // Alpha 64-bit
- case 0x66: // MPS R4000 Windows
- case 0x50: // mc68K
- case 0x4c: // 80386 Windows
- if (magic[1] == 0x01)
- return COFF_FileType;
-
- case 0x90: // PA-RISC Windows
- case 0x68: // mc68K Windows
- if (magic[1] == 0x02)
- return COFF_FileType;
- break;
-
- case 0x4d: // Possible MS-DOS stub on Windows PE file
- if (magic[1] == 0x5a) {
- uint32_t off = *reinterpret_cast<const ulittle32_t *>(magic + 0x3c);
- // PE/COFF file, either EXE or DLL.
- if (off < length && memcmp(magic + off, "PE\0\0",4) == 0)
- return COFF_FileType;
- }
- break;
-
- case 0x64: // x86-64 Windows.
- if (magic[1] == char(0x86))
- return COFF_FileType;
- break;
-
- default:
- break;
- }
- return Unknown_FileType;
-}
-
bool
Path::isArchive() const {
fs::file_magic type;
@@ -183,27 +69,6 @@ Path::isObjectFile() const {
return true;
}
-Path
-Path::FindLibrary(std::string& name) {
- std::vector<sys::Path> LibPaths;
- GetSystemLibraryPaths(LibPaths);
- for (unsigned i = 0; i < LibPaths.size(); ++i) {
- sys::Path FullPath(LibPaths[i]);
- FullPath.appendComponent("lib" + name + LTDL_SHLIB_EXT);
- if (FullPath.isDynamicLibrary())
- return FullPath;
- FullPath.eraseSuffix();
- FullPath.appendSuffix("a");
- if (FullPath.isArchive())
- return FullPath;
- }
- return sys::Path();
-}
-
-StringRef Path::GetDLLSuffix() {
- return &(LTDL_SHLIB_EXT[1]);
-}
-
void
Path::appendSuffix(StringRef suffix) {
if (!suffix.empty()) {
@@ -212,80 +77,6 @@ Path::appendSuffix(StringRef suffix) {
}
}
-bool
-Path::isBitcodeFile() const {
- fs::file_magic type;
- if (fs::identify_magic(str(), type))
- return false;
- return type == fs::file_magic::bitcode;
-}
-
-bool Path::hasMagicNumber(StringRef Magic) const {
- std::string actualMagic;
- if (getMagicNumber(actualMagic, static_cast<unsigned>(Magic.size())))
- return Magic == actualMagic;
- return false;
-}
-
-static void getPathList(const char*path, std::vector<Path>& Paths) {
- const char* at = path;
- const char* delim = strchr(at, PathSeparator);
- Path tmpPath;
- while (delim != 0) {
- std::string tmp(at, size_t(delim-at));
- if (tmpPath.set(tmp))
- if (tmpPath.canRead())
- Paths.push_back(tmpPath);
- at = delim + 1;
- delim = strchr(at, PathSeparator);
- }
-
- if (*at != 0)
- if (tmpPath.set(std::string(at)))
- if (tmpPath.canRead())
- Paths.push_back(tmpPath);
-}
-
-static StringRef getDirnameCharSep(StringRef path, const char *Sep) {
- assert(Sep[0] != '\0' && Sep[1] == '\0' &&
- "Sep must be a 1-character string literal.");
- if (path.empty())
- return ".";
-
- // If the path is all slashes, return a single slash.
- // Otherwise, remove all trailing slashes.
-
- signed pos = static_cast<signed>(path.size()) - 1;
-
- while (pos >= 0 && path[pos] == Sep[0])
- --pos;
-
- if (pos < 0)
- return path[0] == Sep[0] ? Sep : ".";
-
- // Any slashes left?
- signed i = 0;
-
- while (i < pos && path[i] != Sep[0])
- ++i;
-
- if (i == pos) // No slashes? Return "."
- return ".";
-
- // There is at least one slash left. Remove all trailing non-slashes.
- while (pos >= 0 && path[pos] != Sep[0])
- --pos;
-
- // Remove any trailing slashes.
- while (pos >= 0 && path[pos] == Sep[0])
- --pos;
-
- if (pos < 0)
- return path[0] == Sep[0] ? Sep : ".";
-
- return path.substr(0, pos+1);
-}
-
// Include the truly platform-specific parts of this class.
#if defined(LLVM_ON_UNIX)
#include "Unix/Path.inc"
generated by cgit v1.1 at 2025-07-03 21:17:36 +0000