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authorJush Lu <jush.msn@gmail.com>2011-03-09 19:39:16 +0800
committerJush Lu <jush.msn@gmail.com>2011-03-09 19:39:16 +0800
commitb5530586d68bd25831a6796b5d3199cb0769a35c (patch)
treefac4a03b53b6a64b0c00f433e4d8b3c9f2bc67cd /lib/MC/MCSectionMachO.cpp
parentb4e17c5bf4361bbdeced39aa071150d7fa9c3c10 (diff)
parentd01f50f42ce60207ed6d27fb1778e456d83be06c (diff)
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Merge upstream r127116
Diffstat (limited to 'lib/MC/MCSectionMachO.cpp')
-rw-r--r--lib/MC/MCSectionMachO.cpp25
1 files changed, 17 insertions, 8 deletions
diff --git a/lib/MC/MCSectionMachO.cpp b/lib/MC/MCSectionMachO.cpp
index 853d990..577e93a 100644
--- a/lib/MC/MCSectionMachO.cpp
+++ b/lib/MC/MCSectionMachO.cpp
@@ -10,7 +10,7 @@
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCContext.h"
#include "llvm/Support/raw_ostream.h"
-#include <ctype.h>
+#include <cctype>
using namespace llvm;
/// SectionTypeDescriptors - These are strings that describe the various section
@@ -101,16 +101,18 @@ void MCSectionMachO::PrintSwitchToSection(const MCAsmInfo &MAI,
return;
}
- OS << ',';
-
unsigned SectionType = TAA & MCSectionMachO::SECTION_TYPE;
assert(SectionType <= MCSectionMachO::LAST_KNOWN_SECTION_TYPE &&
"Invalid SectionType specified!");
- if (SectionTypeDescriptors[SectionType].AssemblerName)
+ if (SectionTypeDescriptors[SectionType].AssemblerName) {
+ OS << ',';
OS << SectionTypeDescriptors[SectionType].AssemblerName;
- else
- OS << "<<" << SectionTypeDescriptors[SectionType].EnumName << ">>";
+ } else {
+ // If we have no name for the attribute, stop here.
+ OS << '\n';
+ return;
+ }
// If we don't have any attributes, we're done.
unsigned SectionAttrs = TAA & MCSectionMachO::SECTION_ATTRIBUTES;
@@ -125,7 +127,9 @@ void MCSectionMachO::PrintSwitchToSection(const MCAsmInfo &MAI,
// Check each attribute to see if we have it.
char Separator = ',';
- for (unsigned i = 0; SectionAttrDescriptors[i].AttrFlag; ++i) {
+ for (unsigned i = 0;
+ SectionAttrs != 0 && SectionAttrDescriptors[i].AttrFlag;
+ ++i) {
// Check to see if we have this attribute.
if ((SectionAttrDescriptors[i].AttrFlag & SectionAttrs) == 0)
continue;
@@ -153,6 +157,12 @@ bool MCSectionMachO::UseCodeAlign() const {
return hasAttribute(MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS);
}
+bool MCSectionMachO::isVirtualSection() const {
+ return (getType() == MCSectionMachO::S_ZEROFILL ||
+ getType() == MCSectionMachO::S_GB_ZEROFILL ||
+ getType() == MCSectionMachO::S_THREAD_LOCAL_ZEROFILL);
+}
+
/// StripSpaces - This removes leading and trailing spaces from the StringRef.
static void StripSpaces(StringRef &Str) {
while (!Str.empty() && isspace(Str[0]))
@@ -201,7 +211,6 @@ std::string MCSectionMachO::ParseSectionSpecifier(StringRef Spec, // In.
"between 1 and 16 characters";
// If there is no comma after the section, we're done.
- TAA = 0;
StubSize = 0;
if (Comma.second.empty())
return "";