mirror of https://github.com/ZDoom/raze-gles.git
- eliminate dependency on linking order for autosegs registration
This fixes #164
This commit is contained in:
alexey.lysiuk
Christoph Oelckers
parent
7673766d19
commit
555007539d
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@ -935,6 +935,7 @@ set (PCH_SOURCES
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common/engine/serializer.cpp
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common/engine/m_joy.cpp
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common/engine/m_random.cpp
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common/objects/autosegs.cpp
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common/objects/dobject.cpp
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common/objects/dobjgc.cpp
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common/objects/dobjtype.cpp
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@ -1031,7 +1032,6 @@ use_precompiled_header(".")
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add_executable( ${PROJECT_NAME} WIN32 MACOSX_BUNDLE
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${HEADER_FILES}
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${NOT_COMPILED_SOURCE_FILES}
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__autostart.cpp
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${SYSTEM_SOURCES}
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${FASTMATH_SOURCES}
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${PCH_SOURCES}
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@ -1057,7 +1057,6 @@ add_executable( ${PROJECT_NAME} WIN32 MACOSX_BUNDLE
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common/thirdparty/math/tan.c
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common/thirdparty/math/tanh.c
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common/thirdparty/math/fastsin.cpp
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zzautozend.cpp
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)
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#set_source_files_properties( ${FASTMATH_SOURCES} PROPERTIES COMPILE_FLAGS ${DEM_FASTMATH_FLAG} )
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@ -44,32 +44,79 @@
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#include "autosegs.h"
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#ifdef _WIN32
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#include <windows.h>
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#include <dbghelp.h>
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#elif defined __MACH__
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#include <mach-o/getsect.h>
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#endif
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#if defined _WIN32 || defined __MACH__
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#define AUTOSEG_VARIABLE(name, autoseg) namespace AutoSegs{ FAutoSeg name{ AUTOSEG_STR(autoseg) }; }
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#else // Linux and others with ELF executables
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#define AUTOSEG_START(name) __start_##name
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#define AUTOSEG_STOP(name) __stop_##name
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#define AUTOSEG_VARIABLE(name, autoseg) \
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void* name##DummyPointer __attribute__((section(AUTOSEG_STR(autoseg)))) __attribute__((used)); \
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extern void* AUTOSEG_START(autoseg); \
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extern void* AUTOSEG_STOP(autoseg); \
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namespace AutoSegs { FAutoSeg name{ &AUTOSEG_START(autoseg), &AUTOSEG_STOP(autoseg) }; }
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#endif
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AUTOSEG_VARIABLE(ActionFunctons, AUTOSEG_AREG)
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AUTOSEG_VARIABLE(TypeInfos, AUTOSEG_CREG)
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AUTOSEG_VARIABLE(ClassFields, AUTOSEG_FREG)
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AUTOSEG_VARIABLE(Properties, AUTOSEG_GREG)
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AUTOSEG_VARIABLE(MapInfoOptions, AUTOSEG_YREG)
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#undef AUTOSEG_VARIABLE
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#undef AUTOSEG_STOP
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#undef AUTOSEG_START
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void FAutoSeg::Initialize()
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{
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#ifdef _WIN32
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const HMODULE selfModule = GetModuleHandle(nullptr);
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const SIZE_T baseAddress = reinterpret_cast<SIZE_T>(selfModule);
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const PIMAGE_NT_HEADERS header = ImageNtHeader(selfModule);
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PIMAGE_SECTION_HEADER section = IMAGE_FIRST_SECTION(header);
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for (WORD i = 0; i < header->FileHeader.NumberOfSections; ++i, ++section)
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{
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if (strncmp(reinterpret_cast<char *>(section->Name), name, IMAGE_SIZEOF_SHORT_NAME) == 0)
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{
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begin = reinterpret_cast<void **>(baseAddress + section->VirtualAddress);
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end = reinterpret_cast<void **>(baseAddress + section->VirtualAddress + section->SizeOfRawData);
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break;
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}
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}
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#elif defined __MACH__
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if (const struct section_64 *const section = getsectbyname(AUTOSEG_MACH_SEGMENT, name))
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{
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begin = reinterpret_cast<void **>(section->addr);
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end = reinterpret_cast<void **>(section->addr + section->size);
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}
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#else // Linux and others with ELF executables
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assert(false);
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#endif
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}
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#if defined(_MSC_VER)
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// The various reg sections are used to group pointers spread across multiple
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// source files into cohesive arrays in the final executable. We don't
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// actually care about these sections themselves and merge them all into
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// a single section during the final link. (.rdata is the standard section
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// for initialized read-only data.)
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#pragma comment(linker, "/merge:.areg=.rdata /merge:.creg=.rdata /merge:.freg=.rdata")
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#pragma comment(linker, "/merge:.greg=.rdata /merge:.yreg=.rdata")
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#pragma section(".areg$a",read)
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__declspec(allocate(".areg$a")) void *const ARegHead = 0;
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#pragma section(".creg$a",read)
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__declspec(allocate(".creg$a")) void *const CRegHead = 0;
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#pragma section(".freg$a",read)
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__declspec(allocate(".freg$a")) void *const FRegHead = 0;
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#pragma section(".greg$a",read)
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__declspec(allocate(".greg$a")) void *const GRegHead = 0;
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#pragma section(".yreg$a",read)
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__declspec(allocate(".yreg$a")) void *const YRegHead = 0;
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// We want visual styles support under XP
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#if defined _M_IX86
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@ -89,23 +136,4 @@ __declspec(allocate(".yreg$a")) void *const YRegHead = 0;
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#endif
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#elif defined(__GNUC__)
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#include "basics.h"
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// I don't know of an easy way to merge sections together with the GNU linker,
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// so GCC users will see all of these sections appear in the final executable.
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// (There are linker scripts, but that apparently involves extracting the
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// default script from ld and then modifying it.)
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void *const ARegHead __attribute__((section(SECTION_AREG))) = 0;
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void *const CRegHead __attribute__((section(SECTION_CREG))) = 0;
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void *const FRegHead __attribute__((section(SECTION_FREG))) = 0;
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void *const GRegHead __attribute__((section(SECTION_GREG))) = 0;
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void *const YRegHead __attribute__((section(SECTION_YREG))) = 0;
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#else
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#error Please fix autostart.cpp for your compiler
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#endif
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@ -35,6 +35,8 @@
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#ifndef AUTOSEGS_H
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#define AUTOSEGS_H
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#include <type_traits>
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#if defined(__clang__)
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#if defined(__has_feature) && __has_feature(address_sanitizer)
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#define NO_SANITIZE __attribute__((no_sanitize("address")))
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@ -45,69 +47,126 @@
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#define NO_SANITIZE
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#endif
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#define REGMARKER(x) (x)
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typedef void * const REGINFO;
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typedef void * NCREGINFO;
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// List of Action functons
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extern REGINFO ARegHead;
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extern REGINFO ARegTail;
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// List of TypeInfos
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extern REGINFO CRegHead;
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extern REGINFO CRegTail;
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// List of class fields
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extern REGINFO FRegHead;
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extern REGINFO FRegTail;
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// List of properties
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extern REGINFO GRegHead;
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extern REGINFO GRegTail;
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// List of MAPINFO map options
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extern REGINFO YRegHead;
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extern REGINFO YRegTail;
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class FAutoSegIterator
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class FAutoSeg
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{
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public:
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FAutoSegIterator(REGINFO &head, REGINFO &tail)
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{
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// Weirdness. Mingw's linker puts these together backwards.
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if (&head <= &tail)
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{
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Head = &head;
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Tail = &tail;
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}
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else
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{
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Head = &tail;
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Tail = &head;
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}
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Probe = Head;
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}
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NCREGINFO operator*() const NO_SANITIZE
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{
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return *Probe;
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}
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FAutoSegIterator &operator++() NO_SANITIZE
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{
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do
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{
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++Probe;
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} while (*Probe == 0 && Probe < Tail);
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return *this;
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}
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void Reset()
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{
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Probe = Head;
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}
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const char *name;
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void **begin;
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void **end;
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protected:
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REGINFO *Probe;
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REGINFO *Head;
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REGINFO *Tail;
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template <typename T>
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struct ArgumentType;
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template <typename Ret, typename Func, typename Arg>
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struct ArgumentType<Ret(Func:: *)(Arg) const>
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{
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using Type = Arg;
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};
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template <typename Func>
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using ArgumentTypeT = typename ArgumentType<Func>::Type;
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template <typename Func>
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struct ReturnType
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{
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using Type = std::invoke_result_t<Func, ArgumentTypeT<decltype(&Func::operator())>>;
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};
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template <typename Func>
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using ReturnTypeT = typename ReturnType<Func>::Type;
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template <typename Func, typename Ret>
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struct HasReturnType
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{
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static constexpr bool Value = std::is_same_v<ReturnTypeT<Func>, Ret>;
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};
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template <typename Func, typename Ret>
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static constexpr bool HasReturnTypeV = HasReturnType<Func, Ret>::Value;
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void Initialize();
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public:
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explicit FAutoSeg(const char *name)
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: name(name)
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, begin(nullptr)
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, end(nullptr)
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{
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Initialize();
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}
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FAutoSeg(void** begin, void** end)
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: name(nullptr)
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, begin(begin)
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, end(end)
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{
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}
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template <typename Func>
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void ForEach(Func func, std::enable_if_t<HasReturnTypeV<Func, void>> * = nullptr)
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{
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using CallableType = decltype(&Func::operator());
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using ArgType = typename ArgumentType<CallableType>::Type;
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for (void **it = begin; it < end; ++it)
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{
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if (*it)
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{
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func(reinterpret_cast<ArgType>(*it));
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}
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}
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}
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template <typename Func>
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void ForEach(Func func, std::enable_if_t<HasReturnTypeV<Func, bool>> * = nullptr)
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{
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using CallableType = decltype(&Func::operator());
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using ArgType = typename ArgumentType<CallableType>::Type;
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for (void **it = begin; it < end; ++it)
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{
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if (*it)
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{
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if (!func(reinterpret_cast<ArgType>(*it)))
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{
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return;
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};
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}
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}
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}
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};
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namespace AutoSegs
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{
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extern FAutoSeg ActionFunctons;
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extern FAutoSeg TypeInfos;
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extern FAutoSeg ClassFields;
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extern FAutoSeg Properties;
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extern FAutoSeg MapInfoOptions;
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}
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#define AUTOSEG_AREG areg
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#define AUTOSEG_CREG creg
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#define AUTOSEG_FREG freg
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#define AUTOSEG_GREG greg
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#define AUTOSEG_YREG yreg
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#define AUTOSEG_STR(string) AUTOSEG_STR2(string)
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#define AUTOSEG_STR2(string) #string
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#ifdef __MACH__
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#define AUTOSEG_MACH_SEGMENT "__DATA"
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#define AUTOSEG_MACH_SECTION(section) AUTOSEG_MACH_SEGMENT "," AUTOSEG_STR(section)
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#define SECTION_AREG AUTOSEG_MACH_SECTION(AUTOSEG_AREG)
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#define SECTION_CREG AUTOSEG_MACH_SECTION(AUTOSEG_CREG)
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#define SECTION_FREG AUTOSEG_MACH_SECTION(AUTOSEG_FREG)
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#define SECTION_GREG AUTOSEG_MACH_SECTION(AUTOSEG_GREG)
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#define SECTION_YREG AUTOSEG_MACH_SECTION(AUTOSEG_YREG)
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#else
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#define SECTION_AREG AUTOSEG_STR(AUTOSEG_AREG)
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#define SECTION_CREG AUTOSEG_STR(AUTOSEG_CREG)
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#define SECTION_FREG AUTOSEG_STR(AUTOSEG_FREG)
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#define SECTION_GREG AUTOSEG_STR(AUTOSEG_GREG)
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#define SECTION_YREG AUTOSEG_STR(AUTOSEG_YREG)
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#endif
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#endif
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@ -41,6 +41,7 @@
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#include "name.h"
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#include "palentry.h"
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#include "textureid.h"
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#include "autosegs.h"
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class PClass;
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class PType;
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@ -134,8 +135,8 @@ public: \
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static const size_t PointerOffsets[];
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#if defined(_MSC_VER)
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# pragma section(".creg$u",read)
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# define _DECLARE_TI(cls) __declspec(allocate(".creg$u")) ClassReg * const cls::RegistrationInfoPtr = &cls::RegistrationInfo;
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# pragma section(SECTION_CREG,read)
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# define _DECLARE_TI(cls) __declspec(allocate(SECTION_CREG)) ClassReg * const cls::RegistrationInfoPtr = &cls::RegistrationInfo;
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#else
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# define _DECLARE_TI(cls) ClassReg * const cls::RegistrationInfoPtr __attribute__((section(SECTION_CREG))) = &cls::RegistrationInfo;
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#endif
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@ -206,13 +206,10 @@ void PClass::StaticInit ()
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{
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Namespaces.GlobalNamespace = Namespaces.NewNamespace(0);
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FAutoSegIterator probe(CRegHead, CRegTail);
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while (*++probe != nullptr)
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AutoSegs::TypeInfos.ForEach([](ClassReg* typeInfo)
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{
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((ClassReg *)*probe)->RegisterClass ();
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}
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probe.Reset();
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typeInfo->RegisterClass();
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});
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// Keep built-in classes in consistant order. I did this before, though
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// I'm not sure if this is really necessary to maintain any sort of sync.
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@ -268,14 +265,10 @@ void PClass::StaticShutdown ()
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AllClasses.Clear();
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ClassMap.Clear();
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FAutoSegIterator probe(CRegHead, CRegTail);
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while (*++probe != nullptr)
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AutoSegs::TypeInfos.ForEach([](ClassReg* typeInfo)
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{
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auto cr = ((ClassReg *)*probe);
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cr->MyClass = nullptr;
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}
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typeInfo->MyClass = nullptr;
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});
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}
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//==========================================================================
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@ -953,4 +946,4 @@ void PClass::InitializeDefaults()
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}
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}
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}
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}
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}
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@ -194,17 +194,14 @@ void InitImports()
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AFTable.Clear();
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if (AFTable.Size() == 0)
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{
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FAutoSegIterator probe(ARegHead, ARegTail);
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while (*++probe != NULL)
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AutoSegs::ActionFunctons.ForEach([](AFuncDesc *afunc)
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{
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AFuncDesc *afunc = (AFuncDesc *)*probe;
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assert(afunc->VMPointer != NULL);
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*(afunc->VMPointer) = new VMNativeFunction(afunc->Function, afunc->FuncName);
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(*(afunc->VMPointer))->PrintableName.Format("%s.%s [Native]", afunc->ClassName+1, afunc->FuncName);
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(*(afunc->VMPointer))->DirectNativeCall = afunc->DirectNative;
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AFTable.Push(*afunc);
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}
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});
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AFTable.ShrinkToFit();
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qsort(&AFTable[0], AFTable.Size(), sizeof(AFTable[0]), funccmp);
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}
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@ -212,13 +209,10 @@ void InitImports()
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FieldTable.Clear();
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if (FieldTable.Size() == 0)
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{
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FAutoSegIterator probe(FRegHead, FRegTail);
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while (*++probe != NULL)
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AutoSegs::ClassFields.ForEach([](FieldDesc *afield)
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{
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FieldDesc *afield = (FieldDesc *)*probe;
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FieldTable.Push(*afield);
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}
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});
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FieldTable.ShrinkToFit();
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qsort(&FieldTable[0], FieldTable.Size(), sizeof(FieldTable[0]), fieldcmp);
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}
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@ -620,11 +620,11 @@ struct AFuncDesc
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};
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#if defined(_MSC_VER)
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#pragma section(".areg$u",read)
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#pragma section(".freg$u",read)
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#pragma section(SECTION_AREG,read)
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#pragma section(SECTION_FREG,read)
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#define MSVC_ASEG __declspec(allocate(".areg$u"))
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#define MSVC_FSEG __declspec(allocate(".freg$u"))
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#define MSVC_ASEG __declspec(allocate(SECTION_AREG))
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#define MSVC_FSEG __declspec(allocate(SECTION_FREG))
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#define GCC_ASEG
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#define GCC_FSEG
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#else
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@ -93,24 +93,6 @@ inline double RAD2DEG(double deg)
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return deg * (180. / M_PI);
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}
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// Auto-registration sections for GCC.
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// Apparently, you cannot do string concatenation inside section attributes.
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#ifdef __MACH__
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#define SECTION_AREG "__DATA,areg"
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#define SECTION_CREG "__DATA,creg"
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#define SECTION_FREG "__DATA,freg"
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#define SECTION_GREG "__DATA,greg"
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||||
#define SECTION_MREG "__DATA,mreg"
|
||||
#define SECTION_YREG "__DATA,yreg"
|
||||
#else
|
||||
#define SECTION_AREG "areg"
|
||||
#define SECTION_CREG "creg"
|
||||
#define SECTION_FREG "freg"
|
||||
#define SECTION_GREG "greg"
|
||||
#define SECTION_MREG "mreg"
|
||||
#define SECTION_YREG "yreg"
|
||||
#endif
|
||||
|
||||
// This is needed in common code, despite being Doom specific.
|
||||
enum EStateUseFlags
|
||||
{
|
||||
|
|
|
|||
|
|
@ -1,70 +0,0 @@
|
|||
/*
|
||||
** autozend.cpp
|
||||
** This file contains the tails of lists stored in special data segments
|
||||
**
|
||||
**---------------------------------------------------------------------------
|
||||
** Copyright 1998-2006 Randy Heit
|
||||
** All rights reserved.
|
||||
**
|
||||
** Redistribution and use in source and binary forms, with or without
|
||||
** modification, are permitted provided that the following conditions
|
||||
** are met:
|
||||
**
|
||||
** 1. Redistributions of source code must retain the above copyright
|
||||
** notice, this list of conditions and the following disclaimer.
|
||||
** 2. Redistributions in binary form must reproduce the above copyright
|
||||
** notice, this list of conditions and the following disclaimer in the
|
||||
** documentation and/or other materials provided with the distribution.
|
||||
** 3. The name of the author may not be used to endorse or promote products
|
||||
** derived from this software without specific prior written permission.
|
||||
**
|
||||
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
**---------------------------------------------------------------------------
|
||||
**
|
||||
** See autostart.cpp for an explanation of why I do things like this.
|
||||
*/
|
||||
|
||||
#include "autosegs.h"
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
|
||||
#pragma section(".areg$z",read)
|
||||
__declspec(allocate(".areg$z")) void *const ARegTail = 0;
|
||||
|
||||
#pragma section(".creg$z",read)
|
||||
__declspec(allocate(".creg$z")) void *const CRegTail = 0;
|
||||
|
||||
#pragma section(".freg$z",read)
|
||||
__declspec(allocate(".freg$z")) void *const FRegTail = 0;
|
||||
|
||||
#pragma section(".greg$z",read)
|
||||
__declspec(allocate(".greg$z")) void *const GRegTail = 0;
|
||||
|
||||
#pragma section(".yreg$z",read)
|
||||
__declspec(allocate(".yreg$z")) void *const YRegTail = 0;
|
||||
|
||||
|
||||
#elif defined(__GNUC__)
|
||||
|
||||
#include "basics.h"
|
||||
|
||||
void *const ARegTail __attribute__((section(SECTION_AREG))) = 0;
|
||||
void *const CRegTail __attribute__((section(SECTION_CREG))) = 0;
|
||||
void *const FRegTail __attribute__((section(SECTION_FREG))) = 0;
|
||||
void *const GRegTail __attribute__((section(SECTION_GREG))) = 0;
|
||||
void *const YRegTail __attribute__((section(SECTION_YREG))) = 0;
|
||||
|
||||
#else
|
||||
|
||||
#error Please fix autozend.cpp for your compiler
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue