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common/Diagnostics.cpp dyld-1340 dyld-960
--- dyld/dyld-1340/common/Diagnostics.cpp
+++ dyld/dyld-960/common/Diagnostics.cpp
@@ -21,92 +21,51 @@
  * @APPLE_LICENSE_HEADER_END@
  */
 
-
-#include <limits.h>
+#include <iostream>
+
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
 #include <assert.h>
-#include <TargetConditionals.h>
-#include "Defines.h"
-#if TARGET_OS_EXCLAVEKIT
-  extern "C" void abort_report_np(const char* format, ...) __attribute__((noreturn,format(printf, 1, 2)));
-#else
-  #include <_simple.h>
-  #include <libc_private.h>
-#endif
-#if BUILDING_CACHE_BUILDER || BUILDING_UNIT_TESTS || BUILDING_CACHE_BUILDER_UNIT_TESTS
-  #include <mach/mach_time.h> // mach_absolute_time()
-  #include <iostream>
-#endif
-
-#if !TARGET_OS_EXCLAVEKIT
-#include "BitUtils.h"
+#include <uuid/uuid.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <_simple.h>
+#include <unistd.h>
+#include <sys/uio.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/resource.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <dirent.h>
 #include <mach/mach.h>
-#endif
+#include <mach/machine.h>
+#include <mach/mach_time.h>
+#include <mach-o/loader.h>
+#include <mach-o/nlist.h>
+#include <mach-o/fat.h>
+#include <pthread.h>
+#include <libc_private.h>
 
 #include "Diagnostics.h"
 
-#if !BUILDING_DYLD
-#define _simple_vsnprintf(str, size, fmt, ap) vsnprintf(str, size, fmt, ap)
-#endif
-
-#if BUILDING_CACHE_BUILDER || BUILDING_UNIT_TESTS || BUILDING_CACHE_BUILDER_UNIT_TESTS
+#if BUILDING_CACHE_BUILDER
   #include <dispatch/dispatch.h>
   dispatch_queue_t sWarningQueue = dispatch_queue_create("com.apple.dyld.cache-builder.warnings", NULL);
 #endif
 
-#if BUILDING_CACHE_BUILDER || BUILDING_UNIT_TESTS || BUILDING_CACHE_BUILDER_UNIT_TESTS
 Diagnostics::Diagnostics(bool verbose)
+#if BUILDING_CACHE_BUILDER
     : _prefix(""), _verbose(verbose)
-{
-}
-#endif
-
-Diagnostics::Diagnostics()
-{
-#if TARGET_OS_EXCLAVEKIT
-    this->_strBuf[0] = '\0';
-#endif
-}
-
-Diagnostics::Diagnostics(Diagnostics&& other)
-{
-#if TARGET_OS_EXCLAVEKIT
-    strlcpy(this->_strBuf, other._strBuf, sizeof(this->_strBuf));
-    other._strBuf[0] = '\0';
-#else
-    this->_buffer       = other._buffer;
-    this->_bufferSize   = other._bufferSize;
-    this->_bufferUsed   = other._bufferUsed;
-
-    other._buffer       = nullptr;
-    other._bufferSize   = 0;
-    other._bufferUsed   = 0;
-#endif
-}
-
-Diagnostics& Diagnostics::operator=(Diagnostics&& other)
-{
-#if TARGET_OS_EXCLAVEKIT
-    strlcpy(this->_strBuf, other._strBuf, sizeof(this->_strBuf));
-    other._strBuf[0] = '\0';
-#else
-    this->_buffer       = other._buffer;
-    this->_bufferSize   = other._bufferSize;
-    this->_bufferUsed   = other._bufferUsed;
-
-    other._buffer       = nullptr;
-    other._bufferSize   = 0;
-    other._bufferUsed   = 0;
-#endif
-
-    return *this;
-}
-
-#if BUILDING_CACHE_BUILDER || BUILDING_UNIT_TESTS || BUILDING_CACHE_BUILDER_UNIT_TESTS
+#endif
+{
+}
+
+#if BUILDING_CACHE_BUILDER
 Diagnostics::Diagnostics(const std::string& prefix, bool verbose)
-    : _prefix(prefix), _verbose(verbose)
+    : _prefix(prefix),_verbose(verbose)
 {
 }
 #endif
@@ -120,180 +79,105 @@
 {
     va_list    list;
     va_start(list, format);
-    error(format, va_list_wrap(list));
-    va_end(list);
-}
-
-void Diagnostics::error(const char* format, va_list_wrap vaWrap)
-{
-#if TARGET_OS_EXCLAVEKIT
-    vsnprintf(_strBuf, sizeof(_strBuf), format, vaWrap.list);
-#else
-    clearError();
-
-    va_list list2;
-    va_copy(list2, vaWrap.list);
-
-    // Get the size
-    char smallBuffer[1] = { '\0' };
-    int expectedSize = _simple_vsnprintf(smallBuffer, sizeof(smallBuffer), format, vaWrap.list) + 1;
-    assert(expectedSize >= 0);
-
-    const uint64_t alignedSize = lsl::roundToNextAligned(PAGE_SIZE, (uint64_t)expectedSize);
-
-    vm_address_t newBuffer = 0;
-    int kr = ::vm_allocate(mach_task_self(), &newBuffer, (vm_size_t)alignedSize,
-                           VM_FLAGS_ANYWHERE | VM_MAKE_TAG(VM_MEMORY_DYLD));
-    assert(kr == KERN_SUCCESS);
-
-    this->_buffer = (char*)newBuffer;
-
-    int actualSize = _simple_vsnprintf(this->_buffer, (size_t)alignedSize, format, list2);
-    assert(actualSize >= 0);
-    assert((actualSize + 1) == expectedSize);
-
-    this->_bufferUsed = actualSize + 1;
-    this->_bufferSize = (uint32_t)alignedSize;
-
-    va_end(list2);
-#endif
-
-#if BUILDING_CACHE_BUILDER || BUILDING_UNIT_TESTS || BUILDING_CACHE_BUILDER_UNIT_TESTS
+#if __x86_64__
+    error(format, list);
+#else
+    errorVA(format, list);
+#endif
+    va_end(list);
+}
+
+#if __x86_64__
+void Diagnostics::error(const char* format, va_list list)
+#else
+void Diagnostics::errorVA(const char* format, va_list list)
+#endif
+{
+    if ( _buffer == nullptr )
+        _buffer = _simple_salloc();
+    _simple_vsprintf(_buffer, format, list);
+
+#if BUILDING_CACHE_BUILDER
     if ( !_verbose )
         return;
 
     if (_prefix.empty()) {
-        fprintf(stderr, "%s\n", this->_buffer);
+        fprintf(stderr, "%s\n", _simple_string(_buffer));
     } else {
-        fprintf(stderr, "[%s] %s\n", _prefix.c_str(), this->_buffer);
-    }
-#endif
-}
-
-bool Diagnostics::empty() const
-{
-#if TARGET_OS_EXCLAVEKIT
-    return (this->_strBuf[0] == '\0');
-#else
-    if ( (_buffer == nullptr) || (_bufferUsed == 0) || (_bufferSize == 0) )
-        return true;
-    return false;
-#endif
-}
-
-void Diagnostics::appendError(const char* format, ...)
-{
-#if TARGET_OS_EXCLAVEKIT
-    size_t len = strlen(_strBuf);
+        fprintf(stderr, "[%s] %s\n", _prefix.c_str(), _simple_string(_buffer));
+    }
+#endif
+}
+
+ void Diagnostics::appendError(const char* format, ...)
+ {
+    if ( _buffer != nullptr )
+        _simple_sresize(_buffer);
     va_list list;
     va_start(list, format);
-    vsnprintf(&_strBuf[len], sizeof(_strBuf)-len, format, list);
-    va_end(list);
-#else
-    if ( empty() ) {
-        va_list list;
-        va_start(list, format);
-        error(format, va_list_wrap(list));
-        va_end(list);
+#if __x86_64__
+    error(format, list);
+#else
+    errorVA(format, list);
+#endif
+    va_end(list);
+ }
+
+bool Diagnostics::hasError() const
+{
+    return _buffer != nullptr;
+}
+
+bool Diagnostics::noError() const
+{
+    return _buffer == nullptr;
+}
+
+void Diagnostics::clearError()
+{
+    if ( _buffer )
+        _simple_sfree(_buffer);
+    _buffer = nullptr;
+}
+
+void Diagnostics::assertNoError() const
+{
+    if ( _buffer != nullptr )
+        abort_report_np("%s", _simple_string(_buffer));
+}
+
+bool Diagnostics::errorMessageContains(const char* subString) const
+{
+    if ( _buffer == nullptr )
+        return false;
+    return (strstr(_simple_string(_buffer), subString) != nullptr);
+}
+
+void Diagnostics::quotePath(const char* path, char newPath[PATH_MAX])
+{
+    if ( !path ) {
+        newPath[0] = '\0';
         return;
-     }
-
-     // Existing buffer, so need to actually append
-     va_list list, list2;
-     va_start(list, format);
-     va_copy(list2, list);
-
-     // Get the size
-     char smallBuffer[1] = { '\0' };
-     int expectedSize = _simple_vsnprintf(smallBuffer, sizeof(smallBuffer), format, list) + 1;
-     assert(expectedSize >= 0);
-
-     uint64_t remainingSize = this->_bufferSize - this->_bufferUsed;
-     if ( remainingSize < expectedSize ) {
-         // Grow the buffer to make space
-         const uint64_t alignedSize = lsl::roundToNextAligned(PAGE_SIZE, (uint64_t)expectedSize + this->_bufferUsed);
-
-         vm_address_t newBuffer = 0;
-         int kr = ::vm_allocate(mach_task_self(), &newBuffer, (vm_size_t)alignedSize,
-                                VM_FLAGS_ANYWHERE | VM_MAKE_TAG(VM_MEMORY_DYLD));
-         assert(kr == KERN_SUCCESS);
-
-         // Copy the old buffer over to the new one
-         memcpy((void*)newBuffer, this->_buffer, this->_bufferSize);
-
-         // Free the existing buffer
-         ::vm_deallocate(mach_task_self(), (vm_address_t)this->_buffer, (vm_size_t)this->_bufferSize);
-
-         // Set the buffer to the new one
-         this->_buffer = (char*)newBuffer;
-         this->_bufferSize = (uint32_t)alignedSize;
-
-         remainingSize = this->_bufferSize - this->_bufferUsed;
-     }
-
-     // Write in to the existing buffer
-     int actualSize = _simple_vsnprintf(&this->_buffer[this->_bufferUsed - 1], (size_t)remainingSize, format, list2);
-     assert(actualSize >= 0);
-     assert((actualSize + 1) == expectedSize);
-
-     this->_bufferUsed += actualSize;
-
-     va_end(list);
-     va_end(list2);
-#endif
-}
-
-bool Diagnostics::hasError() const
-{
-#if TARGET_OS_EXCLAVEKIT
-    return (this->_strBuf[0] != '\0');
-#else
-    return _buffer != nullptr;
-#endif
-}
-
-bool Diagnostics::noError() const
-{
-#if TARGET_OS_EXCLAVEKIT
-    return (this->_strBuf[0] == '\0');
-#else
-    return _buffer == nullptr;
-#endif
-}
-
-void Diagnostics::clearError()
-{
-#if TARGET_OS_EXCLAVEKIT
-    this->_strBuf[0] = '\0';
-#else
-    if ( _buffer ) {
-        ::vm_deallocate(mach_task_self(), (vm_address_t)this->_buffer, (vm_size_t)this->_bufferSize);
-    }
-    _buffer = nullptr;
-    _bufferSize = 0;
-    _bufferUsed = 0;
-#endif
-}
-
-void Diagnostics::assertNoError() const
-{
-    if ( hasError() )
-        abort_report_np("%s", errorMessageCStr());
-}
-
-bool Diagnostics::errorMessageContains(const char* subString) const
-{
-    if ( noError() )
-        return false;
-    return (strstr(errorMessageCStr(), subString) != nullptr);
-}
-
-std::string_view Diagnostics::errorMessageSV() const
-{
-    return this->errorMessageCStr();
-}
-
-#if BUILDING_CACHE_BUILDER || BUILDING_UNIT_TESTS || BUILDING_CACHE_BUILDER_UNIT_TESTS
+    }
+    size_t len = strlen(path);
+    if ( len >= PATH_MAX )
+        len = PATH_MAX-1;
+    for (size_t i = 0; i < len; i++) {
+        newPath[i] = path[i];
+        if ( newPath[i] == '\'' )
+            newPath[i] = ' ';
+    }
+    newPath[len] = '\0';
+}
+
+
+#if !BUILDING_CACHE_BUILDER
+const char* Diagnostics::errorMessage() const
+{
+    return _buffer ? _simple_string(_buffer) : "";
+}
+
+#else
 void Diagnostics::warning(const char* format, ...)
 {
     _SIMPLE_STRING tmp = _simple_salloc();
@@ -301,9 +185,13 @@
     va_start(list, format);
     _simple_vsprintf(tmp, format, list);
     va_end(list);
+#if BUILDING_CACHE_BUILDER
     dispatch_sync(sWarningQueue, ^{
         _warnings.insert(_simple_string(tmp));
     });
+#else
+    _warnings.insert(_simple_string(tmp));
+#endif
     _simple_sfree(tmp);
 }
 
@@ -347,43 +235,36 @@
 const char* Diagnostics::errorMessageCStr() const
 {
     if ( _buffer != nullptr )
-        return this->_buffer;
+        return _simple_string(_buffer);
     else
         return "";
 }
 
 const std::set<std::string> Diagnostics::warnings() const
 {
+#if BUILDING_CACHE_BUILDER
     __block std::set<std::string> retval;
     dispatch_sync(sWarningQueue, ^{
         retval = _warnings;
     });
     return retval;
+#else
+    return _warnings;
+#endif
 }
 
 void Diagnostics::clearWarnings()
 {
+#if BUILDING_CACHE_BUILDER
     dispatch_sync(sWarningQueue, ^{
         _warnings.clear();
     });
-}
-
-#else
-
-const char* Diagnostics::errorMessage() const
-{
-    if ( noError() )
-        return "";
-#if TARGET_OS_EXCLAVEKIT
-    return _strBuf;
-#else
-    return this->_buffer;
-#endif
-}
-
-#endif
-
-#if BUILDING_CACHE_BUILDER || BUILDING_UNIT_TESTS || BUILDING_CACHE_BUILDER_UNIT_TESTS
+#else
+    _warnings.clear();
+#endif
+}
+
+#if BUILDING_CACHE_BUILDER
 void TimeRecorder::pushTimedSection() {
     openTimings.push_back(mach_absolute_time());
 }
@@ -407,8 +288,6 @@
         });
     }
 
-    free(output_string);
-
     openTimings.push_back(mach_absolute_time());
 }
 
@@ -431,24 +310,7 @@
 
     timings.clear();
 }
-
-#endif
-
-#if BUILDING_LD || BUILDING_UNIT_TESTS || BUILDING_SHARED_CACHE_LINKER || BUILDING_CACHE_BUILDER || BUILDING_CACHE_BUILDER_UNIT_TESTS
-
-mach_o::Error Diagnostics::toError() const
-{
-    if ( hasError() )
-        return mach_o::Error("%s", errorMessageCStr());
-    return mach_o::Error::none();
-}
-
-void Diagnostics::error(const mach_o::Error& err)
-{
-    if ( err.noError() )
-        return;
-
-    error("%s", err.message());
-}
-
-#endif
+#endif
+
+#endif
+