Added the darwin .secure_log_unique and .secure_log_reset directives.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107077 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index 4523eab..dea71dd 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -24,6 +24,7 @@
#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetAsmParser.h"
using namespace llvm;
@@ -780,6 +781,10 @@
return ParseDirectiveDarwinDumpOrLoad(IDLoc, /*IsDump=*/true);
if (IDVal == ".load")
return ParseDirectiveDarwinDumpOrLoad(IDLoc, /*IsLoad=*/false);
+ if (IDVal == ".secure_log_unique")
+ return ParseDirectiveDarwinSecureLogUnique(IDLoc);
+ if (IDVal == ".secure_log_reset")
+ return ParseDirectiveDarwinSecureLogReset(IDLoc);
// Look up the handler in the handler table,
bool(AsmParser::*Handler)(StringRef, SMLoc) = DirectiveMap[IDVal];
@@ -1735,6 +1740,64 @@
return false;
}
+/// ParseDirectiveDarwinSecureLogUnique
+/// ::= .secure_log_unique "log message"
+bool AsmParser::ParseDirectiveDarwinSecureLogUnique(SMLoc IDLoc) {
+ std::string LogMessage;
+
+ if (Lexer.isNot(AsmToken::String))
+ LogMessage = "";
+ else{
+ LogMessage = getTok().getString();
+ Lex();
+ }
+
+ if (Lexer.isNot(AsmToken::EndOfStatement))
+ return TokError("unexpected token in '.secure_log_unique' directive");
+
+ if (getContext().getSecureLogUsed() != false)
+ return Error(IDLoc, ".secure_log_unique specified multiple times");
+
+ char *SecureLogFile = getContext().getSecureLogFile();
+ if (SecureLogFile == NULL)
+ return Error(IDLoc, ".secure_log_unique used but AS_SECURE_LOG_FILE "
+ "environment variable unset.");
+
+ raw_ostream *OS = getContext().getSecureLog();
+ if (OS == NULL) {
+ std::string Err;
+ OS = new raw_fd_ostream(SecureLogFile, Err, raw_fd_ostream::F_Append);
+ if (!Err.empty()) {
+ delete OS;
+ return Error(IDLoc, Twine("can't open secure log file: ") +
+ SecureLogFile + " (" + Err + ")");
+ }
+ getContext().setSecureLog(OS);
+ }
+
+ int CurBuf = SrcMgr.FindBufferContainingLoc(IDLoc);
+ *OS << SrcMgr.getBufferInfo(CurBuf).Buffer->getBufferIdentifier() << ":"
+ << SrcMgr.FindLineNumber(IDLoc, CurBuf) << ":"
+ << LogMessage + "\n";
+
+ getContext().setSecureLogUsed(true);
+
+ return false;
+}
+
+/// ParseDirectiveDarwinSecureLogReset
+/// ::= .secure_log_reset
+bool AsmParser::ParseDirectiveDarwinSecureLogReset(SMLoc IDLoc) {
+ if (Lexer.isNot(AsmToken::EndOfStatement))
+ return TokError("unexpected token in '.secure_log_reset' directive");
+
+ Lex();
+
+ getContext().setSecureLogUsed(false);
+
+ return false;
+}
+
/// ParseDirectiveIf
/// ::= .if expression
bool AsmParser::ParseDirectiveIf(SMLoc DirectiveLoc) {