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Update for current naming conventions.

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I will change identifyFileType to use a StringRef in the next patch.

llvm-svn: 183664
This commit is contained in:
Rafael Espindola 2013-06-10 14:56:16 +00:00
parent b82468de40
commit 3db8a7c316
2 changed files with 35 additions and 31 deletions
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5
include/llvm/Support/PathV1.h
View File

@ -725,7 +725,10 @@ namespace sys {
/// This utility function allows any memory block to be examined in order
/// to determine its file type.
LLVMFileType IdentifyFileType(const char*magic, unsigned length);
LLVMFileType identifyFileType(const char *Magic, unsigned Length);
inline LLVMFileType IdentifyFileType(const char *Magic, unsigned Length) {
return identifyFileType(Magic, Length);
}
/// This function can be used to copy the file specified by Src to the
/// file specified by Dest. If an error occurs, Dest is removed.

61
lib/Support/Path.cpp
View File

@ -38,32 +38,32 @@ bool Path::operator<(const Path& that) const {
}
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]) {
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)
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)
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)
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;
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]) {
if (Length >= 18 && Magic[high] == 0)
switch (Magic[low]) {
default: break;
case 1: return ELF_Relocatable_FileType;
case 2: return ELF_Executable_FileType;
@ -74,11 +74,11 @@ sys::IdentifyFileType(const char *magic, unsigned length) {
break;
case 0xCA:
if (magic[1] == char(0xFE) && magic[2] == char(0xBA) &&
magic[3] == char(0xBE)) {
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)
if (Length >= 8 && Magic[7] < 43)
// FIXME: Universal Binary of any type.
return Mach_O_DynamicallyLinkedSharedLib_FileType;
}
@ -91,16 +91,16 @@ sys::IdentifyFileType(const char *magic, unsigned length) {
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))) {
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)) {
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];
if (Length >= 14) type = Magic[13] << 8 | Magic[12];
}
switch (type) {
default: break;
@ -123,26 +123,27 @@ sys::IdentifyFileType(const char *magic, unsigned length) {
case 0x66: // MPS R4000 Windows
case 0x50: // mc68K
case 0x4c: // 80386 Windows
if (magic[1] == 0x01)
if (Magic[1] == 0x01)
return COFF_FileType;
case 0x90: // PA-RISC Windows
case 0x68: // mc68K Windows
if (magic[1] == 0x02)
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);
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)
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))
if (Magic[1] == char(0x86))
return COFF_FileType;
break;