X-Git-Url: https://git.saurik.com/apple/ld64.git/blobdiff_plain/a645023da60d22e86be13f7b4d97adeff8bc6665..HEAD:/src/ld/passes/dtrace_dof.cpp

diff --git a/src/ld/passes/dtrace_dof.cpp b/src/ld/passes/dtrace_dof.cpp
index f847cc0..6f8a544 100644
--- a/src/ld/passes/dtrace_dof.cpp
+++ b/src/ld/passes/dtrace_dof.cpp
@@ -30,9 +30,11 @@
 
 #include <vector>
 #include <map>
-#include <ext/hash_map>
+#include <unordered_map>
+#include <unordered_set>
 
 #include "ld.hpp"
+#include "MachOFileAbstraction.hpp"
 #include "dtrace_dof.h"
 
 // prototype for entry point in libdtrace.dylib
@@ -50,8 +52,6 @@ public:
 											Atom(class File& f, const char* n,  const uint8_t* content, uint64_t sz);
 
 	virtual ld::File*						file() const					{ return (ld::File*)&_file; }
-	virtual bool							translationUnitSource(const char** dir, const char** ) const 
-																			{ return false; }
 	virtual const char*						name() const					{ return _name; }
 	virtual uint64_t						size() const					{ return _size; }
 	virtual uint64_t						objectAddress() const			{ return 0; }
@@ -77,9 +77,9 @@ class File : public ld::File
 {
 public:
 								File(const char* segmentName, const char* sectionName, const char* pth, 
-									const uint8_t fileContent[], uint64_t fileLength, uint32_t ord, 
+									const uint8_t fileContent[], uint64_t fileLength, Ordinal ord, 
 									const char* symbolName="dof")
-									: ld::File(pth, 0, ord),
+									: ld::File(pth, 0, ord, Other),
 									  _atom(*this, symbolName, fileContent, fileLength), 
 									  _section(segmentName, sectionName, ld::Section::typeDtraceDOF) { }
 	virtual						~File() {}
@@ -105,20 +105,14 @@ Atom::Atom(File& f, const char* n,  const uint8_t* content, uint64_t sz)
 
 
 
-class CStringEquals
-{
-public:
-	bool operator()(const char* left, const char* right) const { return (strcmp(left, right) == 0); }
-};
-
 struct DTraceProbeInfo {
 	DTraceProbeInfo(const ld::Atom* a, uint32_t o, const char* n) : atom(a), offset(o), probeName(n) {}
 	const ld::Atom*					atom;
 	uint32_t						offset;
 	const char*						probeName;
 };
-typedef __gnu_cxx::hash_map<const char*, std::vector<DTraceProbeInfo>, __gnu_cxx::hash<const char*>, CStringEquals>	ProviderToProbes;
-typedef	__gnu_cxx::hash_set<const char*, __gnu_cxx::hash<const char*>, CStringEquals>  CStringSet;
+typedef std::unordered_map<const char*, std::vector<DTraceProbeInfo>, CStringHash, CStringEquals>	ProviderToProbes;
+typedef	std::unordered_set<const char*, CStringHash, CStringEquals>  CStringSet;
 
 
 
@@ -129,6 +123,10 @@ void doPass(const Options& opts, ld::Internal& internal)
 	// only make __dof section in final linked images
 	if ( opts.outputKind() == Options::kObjectFile )
 		return;
+	
+	// skip making __dof section if command line option said not to
+	if ( ! opts.generateDtraceDOF() )
+		return;
 
 	// scan all atoms looking for dtrace probes
 	std::vector<DTraceProbeInfo>					probeSites;
@@ -143,15 +141,15 @@ void doPass(const Options& opts, ld::Internal& internal)
 			for (ld::Fixup::iterator fit = atom->fixupsBegin(), end=atom->fixupsEnd(); fit != end; ++fit) {
 				switch ( fit->kind ) {
 					case ld::Fixup::kindStoreX86DtraceCallSiteNop:
-					case ld::Fixup::kindStorePPCDtraceCallSiteNop:
 					case ld::Fixup::kindStoreARMDtraceCallSiteNop:
 					case ld::Fixup::kindStoreThumbDtraceCallSiteNop:
+					case ld::Fixup::kindStoreARM64DtraceCallSiteNop:
 						probeSites.push_back(DTraceProbeInfo(atom, fit->offsetInAtom, fit->u.name));
 						break;
 					case ld::Fixup::kindStoreX86DtraceIsEnableSiteClear:
-					case ld::Fixup::kindStorePPCDtraceIsEnableSiteClear:
 					case ld::Fixup::kindStoreARMDtraceIsEnableSiteClear:
 					case ld::Fixup::kindStoreThumbDtraceIsEnableSiteClear:
+					case ld::Fixup::kindStoreARM64DtraceIsEnableSiteClear:
 						isEnabledSites.push_back(DTraceProbeInfo(atom, fit->offsetInAtom, fit->u.name));
 						break;
 					case ld::Fixup::kindDtraceExtra:
@@ -170,13 +168,10 @@ void doPass(const Options& opts, ld::Internal& internal)
 	
 	ld::Fixup::Kind storeKind = ld::Fixup::kindNone;
 	switch ( opts.architecture() ) {
-		case CPU_TYPE_POWERPC:
-		case CPU_TYPE_POWERPC64:
-			storeKind = ld::Fixup::kindStoreBigEndian32;
-			break;
 		case CPU_TYPE_I386:
 		case CPU_TYPE_X86_64:
 		case CPU_TYPE_ARM:
+		case CPU_TYPE_ARM64:
 			storeKind = ld::Fixup::kindStoreLittleEndian32;
 			break;
 		default:
@@ -305,7 +300,7 @@ void doPass(const Options& opts, ld::Internal& internal)
 			sectionNamesUsed.insert(sectionName);
 			char symbolName[strlen(providerName)+64];
 			sprintf(symbolName, "__dtrace_dof_for_provider_%s", providerName);
-			File* f = new File("__TEXT", sectionName, "dtrace", p, dofSectionSize, 0, symbolName);
+			File* f = new File("__TEXT", sectionName, "dtrace", p, dofSectionSize, ld::File::Ordinal::NullOrdinal(), symbolName);
 			if ( log ) {
 				fprintf(stderr, "libdtrace created DOF of size %ld\n", dofSectionSize);
 			}