737 lines
28 KiB
C++
737 lines
28 KiB
C++
//===-- llvm-size.cpp - Print the size of each object section -------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This program is a utility that works like traditional Unix "size",
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// that is, it prints out the size of each section, and the total size of all
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// sections.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/APInt.h"
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#include "llvm/Object/Archive.h"
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#include "llvm/Object/MachO.h"
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#include "llvm/Object/MachOUniversal.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Format.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/PrettyStackTrace.h"
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#include "llvm/Support/Signals.h"
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#include "llvm/Support/raw_ostream.h"
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#include <algorithm>
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#include <string>
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#include <system_error>
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using namespace llvm;
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using namespace object;
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enum OutputFormatTy { berkeley, sysv, darwin };
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static cl::opt<OutputFormatTy>
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OutputFormat("format", cl::desc("Specify output format"),
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cl::values(clEnumVal(sysv, "System V format"),
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clEnumVal(berkeley, "Berkeley format"),
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clEnumVal(darwin, "Darwin -m format"), clEnumValEnd),
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cl::init(berkeley));
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static cl::opt<OutputFormatTy> OutputFormatShort(
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cl::desc("Specify output format"),
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cl::values(clEnumValN(sysv, "A", "System V format"),
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clEnumValN(berkeley, "B", "Berkeley format"),
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clEnumValN(darwin, "m", "Darwin -m format"), clEnumValEnd),
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cl::init(berkeley));
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static bool berkeleyHeaderPrinted = false;
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static bool moreThanOneFile = false;
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cl::opt<bool>
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DarwinLongFormat("l", cl::desc("When format is darwin, use long format "
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"to include addresses and offsets."));
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static cl::list<std::string>
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ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
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cl::ZeroOrMore);
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bool ArchAll = false;
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enum RadixTy { octal = 8, decimal = 10, hexadecimal = 16 };
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static cl::opt<unsigned int>
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Radix("-radix", cl::desc("Print size in radix. Only 8, 10, and 16 are valid"),
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cl::init(decimal));
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static cl::opt<RadixTy>
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RadixShort(cl::desc("Print size in radix:"),
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cl::values(clEnumValN(octal, "o", "Print size in octal"),
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clEnumValN(decimal, "d", "Print size in decimal"),
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clEnumValN(hexadecimal, "x", "Print size in hexadecimal"),
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clEnumValEnd),
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cl::init(decimal));
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static cl::list<std::string>
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InputFilenames(cl::Positional, cl::desc("<input files>"), cl::ZeroOrMore);
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static std::string ToolName;
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/// @brief If ec is not success, print the error and return true.
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static bool error(std::error_code ec) {
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if (!ec)
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return false;
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outs() << ToolName << ": error reading file: " << ec.message() << ".\n";
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outs().flush();
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return true;
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}
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/// @brief Get the length of the string that represents @p num in Radix
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/// including the leading 0x or 0 for hexadecimal and octal respectively.
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static size_t getNumLengthAsString(uint64_t num) {
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APInt conv(64, num);
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SmallString<32> result;
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conv.toString(result, Radix, false, true);
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return result.size();
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}
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/// @brief Return the the printing format for the Radix.
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static const char *getRadixFmt(void) {
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switch (Radix) {
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case octal:
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return PRIo64;
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case decimal:
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return PRIu64;
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case hexadecimal:
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return PRIx64;
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}
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return nullptr;
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}
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/// @brief Print the size of each Mach-O segment and section in @p MachO.
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///
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/// This is when used when @c OutputFormat is darwin and produces the same
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/// output as darwin's size(1) -m output.
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static void PrintDarwinSectionSizes(MachOObjectFile *MachO) {
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std::string fmtbuf;
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raw_string_ostream fmt(fmtbuf);
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const char *radix_fmt = getRadixFmt();
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if (Radix == hexadecimal)
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fmt << "0x";
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fmt << "%" << radix_fmt;
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uint32_t LoadCommandCount = MachO->getHeader().ncmds;
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uint32_t Filetype = MachO->getHeader().filetype;
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MachOObjectFile::LoadCommandInfo Load = MachO->getFirstLoadCommandInfo();
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uint64_t total = 0;
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for (unsigned I = 0;; ++I) {
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if (Load.C.cmd == MachO::LC_SEGMENT_64) {
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MachO::segment_command_64 Seg = MachO->getSegment64LoadCommand(Load);
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outs() << "Segment " << Seg.segname << ": "
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<< format(fmt.str().c_str(), Seg.vmsize);
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if (DarwinLongFormat)
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outs() << " (vmaddr 0x" << format("%" PRIx64, Seg.vmaddr) << " fileoff "
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<< Seg.fileoff << ")";
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outs() << "\n";
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total += Seg.vmsize;
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uint64_t sec_total = 0;
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for (unsigned J = 0; J < Seg.nsects; ++J) {
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MachO::section_64 Sec = MachO->getSection64(Load, J);
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if (Filetype == MachO::MH_OBJECT)
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outs() << "\tSection (" << format("%.16s", &Sec.segname) << ", "
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<< format("%.16s", &Sec.sectname) << "): ";
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else
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outs() << "\tSection " << format("%.16s", &Sec.sectname) << ": ";
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outs() << format(fmt.str().c_str(), Sec.size);
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if (DarwinLongFormat)
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outs() << " (addr 0x" << format("%" PRIx64, Sec.addr) << " offset "
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<< Sec.offset << ")";
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outs() << "\n";
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sec_total += Sec.size;
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}
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if (Seg.nsects != 0)
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outs() << "\ttotal " << format(fmt.str().c_str(), sec_total) << "\n";
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} else if (Load.C.cmd == MachO::LC_SEGMENT) {
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MachO::segment_command Seg = MachO->getSegmentLoadCommand(Load);
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outs() << "Segment " << Seg.segname << ": "
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<< format(fmt.str().c_str(), Seg.vmsize);
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if (DarwinLongFormat)
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outs() << " (vmaddr 0x" << format("%" PRIx64, Seg.vmaddr) << " fileoff "
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<< Seg.fileoff << ")";
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outs() << "\n";
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total += Seg.vmsize;
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uint64_t sec_total = 0;
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for (unsigned J = 0; J < Seg.nsects; ++J) {
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MachO::section Sec = MachO->getSection(Load, J);
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if (Filetype == MachO::MH_OBJECT)
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outs() << "\tSection (" << format("%.16s", &Sec.segname) << ", "
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<< format("%.16s", &Sec.sectname) << "): ";
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else
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outs() << "\tSection " << format("%.16s", &Sec.sectname) << ": ";
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outs() << format(fmt.str().c_str(), Sec.size);
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if (DarwinLongFormat)
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outs() << " (addr 0x" << format("%" PRIx64, Sec.addr) << " offset "
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<< Sec.offset << ")";
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outs() << "\n";
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sec_total += Sec.size;
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}
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if (Seg.nsects != 0)
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outs() << "\ttotal " << format(fmt.str().c_str(), sec_total) << "\n";
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}
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if (I == LoadCommandCount - 1)
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break;
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else
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Load = MachO->getNextLoadCommandInfo(Load);
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}
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outs() << "total " << format(fmt.str().c_str(), total) << "\n";
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}
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/// @brief Print the summary sizes of the standard Mach-O segments in @p MachO.
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///
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/// This is when used when @c OutputFormat is berkeley with a Mach-O file and
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/// produces the same output as darwin's size(1) default output.
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static void PrintDarwinSegmentSizes(MachOObjectFile *MachO) {
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uint32_t LoadCommandCount = MachO->getHeader().ncmds;
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MachOObjectFile::LoadCommandInfo Load = MachO->getFirstLoadCommandInfo();
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uint64_t total_text = 0;
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uint64_t total_data = 0;
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uint64_t total_objc = 0;
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uint64_t total_others = 0;
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for (unsigned I = 0;; ++I) {
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if (Load.C.cmd == MachO::LC_SEGMENT_64) {
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MachO::segment_command_64 Seg = MachO->getSegment64LoadCommand(Load);
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if (MachO->getHeader().filetype == MachO::MH_OBJECT) {
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for (unsigned J = 0; J < Seg.nsects; ++J) {
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MachO::section_64 Sec = MachO->getSection64(Load, J);
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StringRef SegmentName = StringRef(Sec.segname);
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if (SegmentName == "__TEXT")
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total_text += Sec.size;
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else if (SegmentName == "__DATA")
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total_data += Sec.size;
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else if (SegmentName == "__OBJC")
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total_objc += Sec.size;
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else
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total_others += Sec.size;
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}
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} else {
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StringRef SegmentName = StringRef(Seg.segname);
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if (SegmentName == "__TEXT")
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total_text += Seg.vmsize;
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else if (SegmentName == "__DATA")
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total_data += Seg.vmsize;
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else if (SegmentName == "__OBJC")
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total_objc += Seg.vmsize;
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else
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total_others += Seg.vmsize;
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}
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} else if (Load.C.cmd == MachO::LC_SEGMENT) {
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MachO::segment_command Seg = MachO->getSegmentLoadCommand(Load);
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if (MachO->getHeader().filetype == MachO::MH_OBJECT) {
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for (unsigned J = 0; J < Seg.nsects; ++J) {
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MachO::section Sec = MachO->getSection(Load, J);
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StringRef SegmentName = StringRef(Sec.segname);
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if (SegmentName == "__TEXT")
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total_text += Sec.size;
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else if (SegmentName == "__DATA")
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total_data += Sec.size;
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else if (SegmentName == "__OBJC")
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total_objc += Sec.size;
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else
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total_others += Sec.size;
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}
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} else {
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StringRef SegmentName = StringRef(Seg.segname);
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if (SegmentName == "__TEXT")
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total_text += Seg.vmsize;
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else if (SegmentName == "__DATA")
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total_data += Seg.vmsize;
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else if (SegmentName == "__OBJC")
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total_objc += Seg.vmsize;
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else
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total_others += Seg.vmsize;
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}
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}
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if (I == LoadCommandCount - 1)
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break;
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else
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Load = MachO->getNextLoadCommandInfo(Load);
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}
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uint64_t total = total_text + total_data + total_objc + total_others;
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if (!berkeleyHeaderPrinted) {
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outs() << "__TEXT\t__DATA\t__OBJC\tothers\tdec\thex\n";
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berkeleyHeaderPrinted = true;
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}
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outs() << total_text << "\t" << total_data << "\t" << total_objc << "\t"
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<< total_others << "\t" << total << "\t" << format("%" PRIx64, total)
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<< "\t";
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}
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/// @brief Print the size of each section in @p Obj.
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///
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/// The format used is determined by @c OutputFormat and @c Radix.
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static void PrintObjectSectionSizes(ObjectFile *Obj) {
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uint64_t total = 0;
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std::string fmtbuf;
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raw_string_ostream fmt(fmtbuf);
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const char *radix_fmt = getRadixFmt();
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// If OutputFormat is darwin and we have a MachOObjectFile print as darwin's
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// size(1) -m output, else if OutputFormat is darwin and not a Mach-O object
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// let it fall through to OutputFormat berkeley.
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MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Obj);
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if (OutputFormat == darwin && MachO)
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PrintDarwinSectionSizes(MachO);
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// If we have a MachOObjectFile and the OutputFormat is berkeley print as
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// darwin's default berkeley format for Mach-O files.
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else if (MachO && OutputFormat == berkeley)
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PrintDarwinSegmentSizes(MachO);
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else if (OutputFormat == sysv) {
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// Run two passes over all sections. The first gets the lengths needed for
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// formatting the output. The second actually does the output.
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std::size_t max_name_len = strlen("section");
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std::size_t max_size_len = strlen("size");
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std::size_t max_addr_len = strlen("addr");
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for (const SectionRef &Section : Obj->sections()) {
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uint64_t size = Section.getSize();
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total += size;
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StringRef name;
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if (error(Section.getName(name)))
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return;
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uint64_t addr = Section.getAddress();
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max_name_len = std::max(max_name_len, name.size());
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max_size_len = std::max(max_size_len, getNumLengthAsString(size));
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max_addr_len = std::max(max_addr_len, getNumLengthAsString(addr));
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}
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// Add extra padding.
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max_name_len += 2;
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max_size_len += 2;
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max_addr_len += 2;
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// Setup header format.
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fmt << "%-" << max_name_len << "s "
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<< "%" << max_size_len << "s "
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<< "%" << max_addr_len << "s\n";
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// Print header
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outs() << format(fmt.str().c_str(), static_cast<const char *>("section"),
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static_cast<const char *>("size"),
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static_cast<const char *>("addr"));
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fmtbuf.clear();
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// Setup per section format.
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fmt << "%-" << max_name_len << "s "
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<< "%#" << max_size_len << radix_fmt << " "
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<< "%#" << max_addr_len << radix_fmt << "\n";
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// Print each section.
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for (const SectionRef &Section : Obj->sections()) {
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StringRef name;
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if (error(Section.getName(name)))
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return;
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uint64_t size = Section.getSize();
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uint64_t addr = Section.getAddress();
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std::string namestr = name;
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outs() << format(fmt.str().c_str(), namestr.c_str(), size, addr);
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}
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// Print total.
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fmtbuf.clear();
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fmt << "%-" << max_name_len << "s "
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<< "%#" << max_size_len << radix_fmt << "\n";
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outs() << format(fmt.str().c_str(), static_cast<const char *>("Total"),
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total);
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} else {
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// The Berkeley format does not display individual section sizes. It
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// displays the cumulative size for each section type.
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uint64_t total_text = 0;
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uint64_t total_data = 0;
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uint64_t total_bss = 0;
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// Make one pass over the section table to calculate sizes.
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for (const SectionRef &Section : Obj->sections()) {
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uint64_t size = Section.getSize();
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bool isText = Section.isText();
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bool isData = Section.isData();
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bool isBSS = Section.isBSS();
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if (isText)
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total_text += size;
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else if (isData)
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total_data += size;
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else if (isBSS)
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total_bss += size;
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}
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total = total_text + total_data + total_bss;
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if (!berkeleyHeaderPrinted) {
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outs() << " text data bss "
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<< (Radix == octal ? "oct" : "dec") << " hex filename\n";
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berkeleyHeaderPrinted = true;
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}
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// Print result.
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fmt << "%#7" << radix_fmt << " "
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<< "%#7" << radix_fmt << " "
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<< "%#7" << radix_fmt << " ";
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outs() << format(fmt.str().c_str(), total_text, total_data, total_bss);
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fmtbuf.clear();
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fmt << "%7" << (Radix == octal ? PRIo64 : PRIu64) << " "
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<< "%7" PRIx64 " ";
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outs() << format(fmt.str().c_str(), total, total);
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}
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}
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/// @brief Checks to see if the @p o ObjectFile is a Mach-O file and if it is
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/// and there is a list of architecture flags specified then check to
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/// make sure this Mach-O file is one of those architectures or all
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/// architectures was specificed. If not then an error is generated and
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/// this routine returns false. Else it returns true.
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static bool checkMachOAndArchFlags(ObjectFile *o, StringRef file) {
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if (isa<MachOObjectFile>(o) && !ArchAll && ArchFlags.size() != 0) {
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MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
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bool ArchFound = false;
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MachO::mach_header H;
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MachO::mach_header_64 H_64;
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Triple T;
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if (MachO->is64Bit()) {
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H_64 = MachO->MachOObjectFile::getHeader64();
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T = MachOObjectFile::getArch(H_64.cputype, H_64.cpusubtype);
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} else {
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H = MachO->MachOObjectFile::getHeader();
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T = MachOObjectFile::getArch(H.cputype, H.cpusubtype);
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}
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unsigned i;
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for (i = 0; i < ArchFlags.size(); ++i) {
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if (ArchFlags[i] == T.getArchName())
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ArchFound = true;
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break;
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}
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if (!ArchFound) {
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errs() << ToolName << ": file: " << file
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<< " does not contain architecture: " << ArchFlags[i] << ".\n";
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return false;
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}
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}
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return true;
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}
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/// @brief Print the section sizes for @p file. If @p file is an archive, print
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/// the section sizes for each archive member.
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static void PrintFileSectionSizes(StringRef file) {
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// If file is not stdin, check that it exists.
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if (file != "-") {
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if (!sys::fs::exists(file)) {
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errs() << ToolName << ": '" << file << "': "
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<< "No such file\n";
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return;
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}
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}
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// Attempt to open the binary.
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ErrorOr<OwningBinary<Binary>> BinaryOrErr = createBinary(file);
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if (std::error_code EC = BinaryOrErr.getError()) {
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errs() << ToolName << ": " << file << ": " << EC.message() << ".\n";
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return;
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}
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Binary &Bin = *BinaryOrErr.get().getBinary();
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if (Archive *a = dyn_cast<Archive>(&Bin)) {
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// This is an archive. Iterate over each member and display its sizes.
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for (object::Archive::child_iterator i = a->child_begin(),
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e = a->child_end();
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i != e; ++i) {
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ErrorOr<std::unique_ptr<Binary>> ChildOrErr = i->getAsBinary();
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if (std::error_code EC = ChildOrErr.getError()) {
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|
errs() << ToolName << ": " << file << ": " << EC.message() << ".\n";
|
|
continue;
|
|
}
|
|
if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) {
|
|
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
|
|
if (!checkMachOAndArchFlags(o, file))
|
|
return;
|
|
if (OutputFormat == sysv)
|
|
outs() << o->getFileName() << " (ex " << a->getFileName() << "):\n";
|
|
else if (MachO && OutputFormat == darwin)
|
|
outs() << a->getFileName() << "(" << o->getFileName() << "):\n";
|
|
PrintObjectSectionSizes(o);
|
|
if (OutputFormat == berkeley) {
|
|
if (MachO)
|
|
outs() << a->getFileName() << "(" << o->getFileName() << ")\n";
|
|
else
|
|
outs() << o->getFileName() << " (ex " << a->getFileName() << ")\n";
|
|
}
|
|
}
|
|
}
|
|
} else if (MachOUniversalBinary *UB =
|
|
dyn_cast<MachOUniversalBinary>(&Bin)) {
|
|
// If we have a list of architecture flags specified dump only those.
|
|
if (!ArchAll && ArchFlags.size() != 0) {
|
|
// Look for a slice in the universal binary that matches each ArchFlag.
|
|
bool ArchFound;
|
|
for (unsigned i = 0; i < ArchFlags.size(); ++i) {
|
|
ArchFound = false;
|
|
for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
|
|
E = UB->end_objects();
|
|
I != E; ++I) {
|
|
if (ArchFlags[i] == I->getArchTypeName()) {
|
|
ArchFound = true;
|
|
ErrorOr<std::unique_ptr<ObjectFile>> UO = I->getAsObjectFile();
|
|
if (UO) {
|
|
if (ObjectFile *o = dyn_cast<ObjectFile>(&*UO.get())) {
|
|
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
|
|
if (OutputFormat == sysv)
|
|
outs() << o->getFileName() << " :\n";
|
|
else if (MachO && OutputFormat == darwin) {
|
|
if (moreThanOneFile || ArchFlags.size() > 1)
|
|
outs() << o->getFileName() << " (for architecture "
|
|
<< I->getArchTypeName() << "): \n";
|
|
}
|
|
PrintObjectSectionSizes(o);
|
|
if (OutputFormat == berkeley) {
|
|
if (!MachO || moreThanOneFile || ArchFlags.size() > 1)
|
|
outs() << o->getFileName() << " (for architecture "
|
|
<< I->getArchTypeName() << ")";
|
|
outs() << "\n";
|
|
}
|
|
}
|
|
} else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
|
|
I->getAsArchive()) {
|
|
std::unique_ptr<Archive> &UA = *AOrErr;
|
|
// This is an archive. Iterate over each member and display its
|
|
// sizes.
|
|
for (object::Archive::child_iterator i = UA->child_begin(),
|
|
e = UA->child_end();
|
|
i != e; ++i) {
|
|
ErrorOr<std::unique_ptr<Binary>> ChildOrErr = i->getAsBinary();
|
|
if (std::error_code EC = ChildOrErr.getError()) {
|
|
errs() << ToolName << ": " << file << ": " << EC.message()
|
|
<< ".\n";
|
|
continue;
|
|
}
|
|
if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) {
|
|
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
|
|
if (OutputFormat == sysv)
|
|
outs() << o->getFileName() << " (ex " << UA->getFileName()
|
|
<< "):\n";
|
|
else if (MachO && OutputFormat == darwin)
|
|
outs() << UA->getFileName() << "(" << o->getFileName()
|
|
<< ")"
|
|
<< " (for architecture " << I->getArchTypeName()
|
|
<< "):\n";
|
|
PrintObjectSectionSizes(o);
|
|
if (OutputFormat == berkeley) {
|
|
if (MachO) {
|
|
outs() << UA->getFileName() << "(" << o->getFileName()
|
|
<< ")";
|
|
if (ArchFlags.size() > 1)
|
|
outs() << " (for architecture " << I->getArchTypeName()
|
|
<< ")";
|
|
outs() << "\n";
|
|
} else
|
|
outs() << o->getFileName() << " (ex " << UA->getFileName()
|
|
<< ")\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (!ArchFound) {
|
|
errs() << ToolName << ": file: " << file
|
|
<< " does not contain architecture" << ArchFlags[i] << ".\n";
|
|
return;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
// No architecture flags were specified so if this contains a slice that
|
|
// matches the host architecture dump only that.
|
|
if (!ArchAll) {
|
|
StringRef HostArchName = MachOObjectFile::getHostArch().getArchName();
|
|
for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
|
|
E = UB->end_objects();
|
|
I != E; ++I) {
|
|
if (HostArchName == I->getArchTypeName()) {
|
|
ErrorOr<std::unique_ptr<ObjectFile>> UO = I->getAsObjectFile();
|
|
if (UO) {
|
|
if (ObjectFile *o = dyn_cast<ObjectFile>(&*UO.get())) {
|
|
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
|
|
if (OutputFormat == sysv)
|
|
outs() << o->getFileName() << " :\n";
|
|
else if (MachO && OutputFormat == darwin) {
|
|
if (moreThanOneFile)
|
|
outs() << o->getFileName() << " (for architecture "
|
|
<< I->getArchTypeName() << "):\n";
|
|
}
|
|
PrintObjectSectionSizes(o);
|
|
if (OutputFormat == berkeley) {
|
|
if (!MachO || moreThanOneFile)
|
|
outs() << o->getFileName() << " (for architecture "
|
|
<< I->getArchTypeName() << ")";
|
|
outs() << "\n";
|
|
}
|
|
}
|
|
} else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
|
|
I->getAsArchive()) {
|
|
std::unique_ptr<Archive> &UA = *AOrErr;
|
|
// This is an archive. Iterate over each member and display its
|
|
// sizes.
|
|
for (object::Archive::child_iterator i = UA->child_begin(),
|
|
e = UA->child_end();
|
|
i != e; ++i) {
|
|
ErrorOr<std::unique_ptr<Binary>> ChildOrErr = i->getAsBinary();
|
|
if (std::error_code EC = ChildOrErr.getError()) {
|
|
errs() << ToolName << ": " << file << ": " << EC.message()
|
|
<< ".\n";
|
|
continue;
|
|
}
|
|
if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) {
|
|
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
|
|
if (OutputFormat == sysv)
|
|
outs() << o->getFileName() << " (ex " << UA->getFileName()
|
|
<< "):\n";
|
|
else if (MachO && OutputFormat == darwin)
|
|
outs() << UA->getFileName() << "(" << o->getFileName() << ")"
|
|
<< " (for architecture " << I->getArchTypeName()
|
|
<< "):\n";
|
|
PrintObjectSectionSizes(o);
|
|
if (OutputFormat == berkeley) {
|
|
if (MachO)
|
|
outs() << UA->getFileName() << "(" << o->getFileName()
|
|
<< ")\n";
|
|
else
|
|
outs() << o->getFileName() << " (ex " << UA->getFileName()
|
|
<< ")\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
// Either all architectures have been specified or none have been specified
|
|
// and this does not contain the host architecture so dump all the slices.
|
|
bool moreThanOneArch = UB->getNumberOfObjects() > 1;
|
|
for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
|
|
E = UB->end_objects();
|
|
I != E; ++I) {
|
|
ErrorOr<std::unique_ptr<ObjectFile>> UO = I->getAsObjectFile();
|
|
if (UO) {
|
|
if (ObjectFile *o = dyn_cast<ObjectFile>(&*UO.get())) {
|
|
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
|
|
if (OutputFormat == sysv)
|
|
outs() << o->getFileName() << " :\n";
|
|
else if (MachO && OutputFormat == darwin) {
|
|
if (moreThanOneFile || moreThanOneArch)
|
|
outs() << o->getFileName() << " (for architecture "
|
|
<< I->getArchTypeName() << "):";
|
|
outs() << "\n";
|
|
}
|
|
PrintObjectSectionSizes(o);
|
|
if (OutputFormat == berkeley) {
|
|
if (!MachO || moreThanOneFile || moreThanOneArch)
|
|
outs() << o->getFileName() << " (for architecture "
|
|
<< I->getArchTypeName() << ")";
|
|
outs() << "\n";
|
|
}
|
|
}
|
|
} else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
|
|
I->getAsArchive()) {
|
|
std::unique_ptr<Archive> &UA = *AOrErr;
|
|
// This is an archive. Iterate over each member and display its sizes.
|
|
for (object::Archive::child_iterator i = UA->child_begin(),
|
|
e = UA->child_end();
|
|
i != e; ++i) {
|
|
ErrorOr<std::unique_ptr<Binary>> ChildOrErr = i->getAsBinary();
|
|
if (std::error_code EC = ChildOrErr.getError()) {
|
|
errs() << ToolName << ": " << file << ": " << EC.message() << ".\n";
|
|
continue;
|
|
}
|
|
if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) {
|
|
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
|
|
if (OutputFormat == sysv)
|
|
outs() << o->getFileName() << " (ex " << UA->getFileName()
|
|
<< "):\n";
|
|
else if (MachO && OutputFormat == darwin)
|
|
outs() << UA->getFileName() << "(" << o->getFileName() << ")"
|
|
<< " (for architecture " << I->getArchTypeName() << "):\n";
|
|
PrintObjectSectionSizes(o);
|
|
if (OutputFormat == berkeley) {
|
|
if (MachO)
|
|
outs() << UA->getFileName() << "(" << o->getFileName() << ")"
|
|
<< " (for architecture " << I->getArchTypeName()
|
|
<< ")\n";
|
|
else
|
|
outs() << o->getFileName() << " (ex " << UA->getFileName()
|
|
<< ")\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (ObjectFile *o = dyn_cast<ObjectFile>(&Bin)) {
|
|
if (!checkMachOAndArchFlags(o, file))
|
|
return;
|
|
if (OutputFormat == sysv)
|
|
outs() << o->getFileName() << " :\n";
|
|
PrintObjectSectionSizes(o);
|
|
if (OutputFormat == berkeley) {
|
|
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
|
|
if (!MachO || moreThanOneFile)
|
|
outs() << o->getFileName();
|
|
outs() << "\n";
|
|
}
|
|
} else {
|
|
errs() << ToolName << ": " << file << ": "
|
|
<< "Unrecognized file type.\n";
|
|
}
|
|
// System V adds an extra newline at the end of each file.
|
|
if (OutputFormat == sysv)
|
|
outs() << "\n";
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
// Print a stack trace if we signal out.
|
|
sys::PrintStackTraceOnErrorSignal();
|
|
PrettyStackTraceProgram X(argc, argv);
|
|
|
|
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
|
|
cl::ParseCommandLineOptions(argc, argv, "llvm object size dumper\n");
|
|
|
|
ToolName = argv[0];
|
|
if (OutputFormatShort.getNumOccurrences())
|
|
OutputFormat = OutputFormatShort;
|
|
if (RadixShort.getNumOccurrences())
|
|
Radix = RadixShort;
|
|
|
|
for (unsigned i = 0; i < ArchFlags.size(); ++i) {
|
|
if (ArchFlags[i] == "all") {
|
|
ArchAll = true;
|
|
} else {
|
|
if (!MachOObjectFile::isValidArch(ArchFlags[i])) {
|
|
outs() << ToolName << ": for the -arch option: Unknown architecture "
|
|
<< "named '" << ArchFlags[i] << "'";
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (InputFilenames.size() == 0)
|
|
InputFilenames.push_back("a.out");
|
|
|
|
moreThanOneFile = InputFilenames.size() > 1;
|
|
std::for_each(InputFilenames.begin(), InputFilenames.end(),
|
|
PrintFileSectionSizes);
|
|
|
|
return 0;
|
|
}
|