X-Git-Url: https://git.saurik.com/apple/ld64.git/blobdiff_plain/b2fa67a80bc53211e4d1ea81f23e9f953ee1dd6c..7f09b9353af9897bf18933788d6a59c152c29edd:/src/ld/passes/dtrace_dof.cpp?ds=sidebyside diff --git a/src/ld/passes/dtrace_dof.cpp b/src/ld/passes/dtrace_dof.cpp index 665e3ae..6f8a544 100644 --- a/src/ld/passes/dtrace_dof.cpp +++ b/src/ld/passes/dtrace_dof.cpp @@ -30,9 +30,11 @@ #include #include -#include +#include +#include #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, __gnu_cxx::hash, CStringEquals> ProviderToProbes; -typedef __gnu_cxx::hash_set, CStringEquals> CStringSet; +typedef std::unordered_map, CStringHash, CStringEquals> ProviderToProbes; +typedef std::unordered_set 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 probeSites; @@ -145,11 +143,13 @@ void doPass(const Options& opts, ld::Internal& internal) case ld::Fixup::kindStoreX86DtraceCallSiteNop: 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::kindStoreARMDtraceIsEnableSiteClear: case ld::Fixup::kindStoreThumbDtraceIsEnableSiteClear: + case ld::Fixup::kindStoreARM64DtraceIsEnableSiteClear: isEnabledSites.push_back(DTraceProbeInfo(atom, fit->offsetInAtom, fit->u.name)); break; case ld::Fixup::kindDtraceExtra: @@ -171,6 +171,7 @@ void doPass(const Options& opts, ld::Internal& internal) case CPU_TYPE_I386: case CPU_TYPE_X86_64: case CPU_TYPE_ARM: + case CPU_TYPE_ARM64: storeKind = ld::Fixup::kindStoreLittleEndian32; break; default: @@ -299,7 +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); }