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llvm-size: Add --totals option

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Differential Revision: https://reviews.llvm.org/D24308

llvm-svn: 281233
This commit is contained in:
Hemant Kulkarni 2016-09-12 17:08:28 +00:00
parent 79a06af4cf
commit 24195e20a9
2 changed files with 41 additions and 3 deletions
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3
test/tools/llvm-size/X86/ignore-sections.s
View File

@ -1,6 +1,6 @@
// RUN: llvm-mc %s -o %t.o -filetype=obj -triple=x86_64-pc-linux
// RUN: llvm-size -A %t.o | FileCheck --check-prefix="SYSV" %s
// RUN: llvm-size -B %t.o| FileCheck --check-prefix="BSD" %s
// RUN: llvm-size -B -t %t.o| FileCheck --check-prefix="BSD" %s
.text
.zero 4
@ -26,3 +26,4 @@
// BSD: text data bss dec hex filename
// BSD-NEXT: 4 4 4 12 c {{[ -\(\)_A-Za-z0-9.\\/:]+}}
// BSD-NEXT: 4 4 4 12 c (TOTALS)

41
tools/llvm-size/llvm-size.cpp
View File

@ -52,6 +52,10 @@ static cl::opt<OutputFormatTy> OutputFormatShort(
static bool BerkeleyHeaderPrinted = false;
static bool MoreThanOneFile = false;
static uint64_t TotalObjectText = 0;
static uint64_t TotalObjectData = 0;
static uint64_t TotalObjectBss = 0;
static uint64_t TotalObjectTotal = 0;
cl::opt<bool>
DarwinLongFormat("l", cl::desc("When format is darwin, use long format "
@ -81,6 +85,14 @@ RadixShort(cl::desc("Print size in radix:"),
clEnumValEnd),
cl::init(decimal));
static cl::opt<bool>
TotalSizes("totals",
cl::desc("Print totals of all objects - Berkeley format only"),
cl::init(false));
static cl::alias TotalSizesShort("t", cl::desc("Short for --totals"),
cl::aliasopt(TotalSizes));
static cl::list<std::string>
InputFilenames(cl::Positional, cl::desc("<input files>"), cl::ZeroOrMore);
@ -108,7 +120,7 @@ static bool error(Twine Message) {
// This version of error() prints the archive name and member name, for example:
// "libx.a(foo.o)" after the ToolName before the error message. It sets
// HadError but returns allowing the code to move on to other archive members.
// HadError but returns allowing the code to move on to other archive members.
static void error(llvm::Error E, StringRef FileName, const Archive::Child &C,
StringRef ArchitectureName = StringRef()) {
HadError = true;
@ -136,7 +148,7 @@ static void error(llvm::Error E, StringRef FileName, const Archive::Child &C,
// This version of error() prints the file name and which architecture slice it // is from, for example: "foo.o (for architecture i386)" after the ToolName
// before the error message. It sets HadError but returns allowing the code to
// move on to other architecture slices.
// move on to other architecture slices.
static void error(llvm::Error E, StringRef FileName,
StringRef ArchitectureName = StringRef()) {
HadError = true;
@ -462,6 +474,13 @@ static void printObjectSectionSizes(ObjectFile *Obj) {
total = total_text + total_data + total_bss;
if (TotalSizes) {
TotalObjectText += total_text;
TotalObjectData += total_data;
TotalObjectBss += total_bss;
TotalObjectTotal += total;
}
if (!BerkeleyHeaderPrinted) {
outs() << " text data bss "
<< (Radix == octal ? "oct" : "dec") << " hex filename\n";
@ -821,6 +840,22 @@ static void printFileSectionSizes(StringRef file) {
outs() << "\n";
}
static void printBerkelyTotals() {
std::string fmtbuf;
raw_string_ostream fmt(fmtbuf);
const char *radix_fmt = getRadixFmt();
fmt << "%#7" << radix_fmt << " "
<< "%#7" << radix_fmt << " "
<< "%#7" << radix_fmt << " ";
outs() << format(fmt.str().c_str(), TotalObjectText, TotalObjectData,
TotalObjectBss);
fmtbuf.clear();
fmt << "%7" << (Radix == octal ? PRIo64 : PRIu64) << " "
<< "%7" PRIx64 " ";
outs() << format(fmt.str().c_str(), TotalObjectTotal, TotalObjectTotal)
<< "(TOTALS)\n";
}
int main(int argc, char **argv) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal(argv[0]);
@ -853,6 +888,8 @@ int main(int argc, char **argv) {
MoreThanOneFile = InputFilenames.size() > 1;
std::for_each(InputFilenames.begin(), InputFilenames.end(),
printFileSectionSizes);
if (OutputFormat == berkeley && TotalSizes)
printBerkelyTotals();
if (HadError)
return 1;