commit 6d167dd8dbe69b3540ca140f5a5344b351493f6c Author: Mike Perry mikeperry-git@torproject.org Date: Mon Dec 9 22:00:55 2013 -0800

Backport mingw-w64 fixes from Mozilla

Includes: https://hg.mozilla.org/mozilla-central/rev/7b86302ab2b3 https://hg.mozilla.org/mozilla-central/rev/1651ea86cb00 https://hg.mozilla.org/mozilla-central/rev/fda0046aa376 https://hg.mozilla.org/mozilla-central/rev/02d4ae55e1c3 --- gfx/2d/DrawTargetD2D.h | 4 +- gfx/2d/RadialGradientEffectD2D1.cpp | 13 ++-- gfx/2d/RadialGradientEffectD2D1.h | 5 +- gfx/skia/src/ports/SkThread_win.cpp | 2 +- mfbt/Assertions.h | 115 +++++++++++++++++++++++++---------- 5 files changed, 95 insertions(+), 44 deletions(-)

diff --git a/gfx/2d/DrawTargetD2D.h b/gfx/2d/DrawTargetD2D.h index 0df4862..eb2bd6e 100644 --- a/gfx/2d/DrawTargetD2D.h +++ b/gfx/2d/DrawTargetD2D.h @@ -147,8 +147,8 @@ public:

private: TemporaryRef<ID2D1Bitmap> - DrawTargetD2D::GetBitmapForSurface(SourceSurface *aSurface, - Rect &aSource); + GetBitmapForSurface(SourceSurface *aSurface, + Rect &aSource); friend class AutoSaveRestoreClippedOut; friend class SourceSurfaceD2DTarget;

diff --git a/gfx/2d/RadialGradientEffectD2D1.cpp b/gfx/2d/RadialGradientEffectD2D1.cpp index 42bdf70..ec9224b 100644 --- a/gfx/2d/RadialGradientEffectD2D1.cpp +++ b/gfx/2d/RadialGradientEffectD2D1.cpp @@ -264,12 +264,13 @@ HRESULT RadialGradientEffectD2D1::Register(ID2D1Factory1 *aFactory) { D2D1_PROPERTY_BINDING bindings[] = { - D2D1_VALUE_TYPE_BINDING(L"StopCollection", &SetStopCollection, &GetStopCollection), - D2D1_VALUE_TYPE_BINDING(L"Center1", &SetCenter1, &GetCenter1), - D2D1_VALUE_TYPE_BINDING(L"Center2", &SetCenter2, &GetCenter2), - D2D1_VALUE_TYPE_BINDING(L"Radius1", &SetRadius1, &GetRadius1), - D2D1_VALUE_TYPE_BINDING(L"Radius2", &SetRadius2, &GetRadius2), - D2D1_VALUE_TYPE_BINDING(L"Transform", &SetTransform, &GetTransform) + D2D1_VALUE_TYPE_BINDING(L"StopCollection", &RadialGradientEffectD2D1::SetStopCollection, + &RadialGradientEffectD2D1::GetStopCollection), + D2D1_VALUE_TYPE_BINDING(L"Center1", &RadialGradientEffectD2D1::SetCenter1, &RadialGradientEffectD2D1::GetCenter1), + D2D1_VALUE_TYPE_BINDING(L"Center2", &RadialGradientEffectD2D1::SetCenter2, &RadialGradientEffectD2D1::GetCenter2), + D2D1_VALUE_TYPE_BINDING(L"Radius1", &RadialGradientEffectD2D1::SetRadius1, &RadialGradientEffectD2D1::GetRadius1), + D2D1_VALUE_TYPE_BINDING(L"Radius2", &RadialGradientEffectD2D1::SetRadius2, &RadialGradientEffectD2D1::GetRadius2), + D2D1_VALUE_TYPE_BINDING(L"Transform", &RadialGradientEffectD2D1::SetTransform, &RadialGradientEffectD2D1::GetTransform) }; HRESULT hr = aFactory->RegisterEffectFromString(CLSID_RadialGradientEffect, kXmlDescription, bindings, ARRAYSIZE(bindings), CreateEffect);

diff --git a/gfx/2d/RadialGradientEffectD2D1.h b/gfx/2d/RadialGradientEffectD2D1.h index 6218f73..5a8ca3c 100644 --- a/gfx/2d/RadialGradientEffectD2D1.h +++ b/gfx/2d/RadialGradientEffectD2D1.h @@ -11,6 +11,7 @@ #include <d2d1effecthelpers.h>

#include "2D.h" +#include "mozilla/Attributes.h"

// {97143DC6-CBC4-4DD4-A8BA-13342B0BA46D} DEFINE_GUID(CLSID_RadialGradientEffect, @@ -37,8 +38,8 @@ enum { RADIAL_PROP_TRANSFORM };

-class RadialGradientEffectD2D1 : public ID2D1EffectImpl - , public ID2D1DrawTransform +class RadialGradientEffectD2D1 MOZ_FINAL : public ID2D1EffectImpl + , public ID2D1DrawTransform { public: // ID2D1EffectImpl diff --git a/gfx/skia/src/ports/SkThread_win.cpp b/gfx/skia/src/ports/SkThread_win.cpp index 91a5ceb..fab15f3 100644 --- a/gfx/skia/src/ports/SkThread_win.cpp +++ b/gfx/skia/src/ports/SkThread_win.cpp @@ -36,7 +36,7 @@ void sk_membar_aquire__after_atomic_dec() { }

int32_t sk_atomic_conditional_inc(int32_t* addr) { while (true) { - LONG value = static_cast<LONG const volatile&>(*addr); + LONG value = static_cast<int32_t const volatile&>(*addr); if (value == 0) { return 0; } diff --git a/mfbt/Assertions.h b/mfbt/Assertions.h index 5ead7f4..9885a62 100644 --- a/mfbt/Assertions.h +++ b/mfbt/Assertions.h @@ -133,55 +133,93 @@ extern "C" { #endif

/* - * MOZ_CRASH crashes the program, plain and simple, in a Breakpad-compatible - * way, in both debug and release builds. + * Prints |s| as an assertion failure (using file and ln as the location of the + * assertion) to the standard debug-output channel. * - * MOZ_CRASH is a good solution for "handling" failure cases when you're - * unwilling or unable to handle them more cleanly -- for OOM, for likely memory - * corruption, and so on. It's also a good solution if you need safe behavior - * in release builds as well as debug builds. But if the failure is one that - * should be debugged and fixed, MOZ_ASSERT is generally preferable. + * Usually you should use MOZ_ASSERT or MOZ_CRASH instead of this method. This + * method is primarily for internal use in this header, and only secondarily + * for use in implementing release-build assertions. + */ +static MOZ_ALWAYS_INLINE void +MOZ_ReportAssertionFailure(const char* s, const char* file, int ln) +{ +#ifdef ANDROID + __android_log_print(ANDROID_LOG_FATAL, "MOZ_Assert", + "Assertion failure: %s, at %s:%d\n", s, file, ln); +#else + fprintf(stderr, "Assertion failure: %s, at %s:%d\n", s, file, ln); + fflush(stderr); +#endif +} + +static MOZ_ALWAYS_INLINE void +MOZ_ReportCrash(const char* s, const char* file, int ln) +{ +#ifdef ANDROID + __android_log_print(ANDROID_LOG_FATAL, "MOZ_CRASH", + "Hit MOZ_CRASH(%s) at %s:%d\n", s, file, ln); +#else + fprintf(stderr, "Hit MOZ_CRASH(%s) at %s:%d\n", s, file, ln); + fflush(stderr); +#endif +} + +/** + * MOZ_REALLY_CRASH is used in the implementation of MOZ_CRASH(). You should + * call MOZ_CRASH instead. */ #if defined(_MSC_VER) /* * On MSVC use the __debugbreak compiler intrinsic, which produces an inline * (not nested in a system function) breakpoint. This distinctively invokes * Breakpad without requiring system library symbols on all stack-processing - * machines, as a nested breakpoint would require. We use TerminateProcess - * with the exit code aborting would generate because we don't want to invoke - * atexit handlers, destructors, library unload handlers, and so on when our - * process might be in a compromised state. We don't use abort() because - * it'd cause Windows to annoyingly pop up the process error dialog multiple - * times. See bug 345118 and bug 426163. + * machines, as a nested breakpoint would require. + * + * We use TerminateProcess with the exit code aborting would generate + * because we don't want to invoke atexit handlers, destructors, library + * unload handlers, and so on when our process might be in a compromised + * state. + * + * We don't use abort() because it'd cause Windows to annoyingly pop up the + * process error dialog multiple times. See bug 345118 and bug 426163. + * + * We follow TerminateProcess() with a call to MOZ_NoReturn() so that the + * compiler doesn't hassle us to provide a return statement after a + * MOZ_REALLY_CRASH() call. * * (Technically these are Windows requirements, not MSVC requirements. But * practically you need MSVC for debugging, and we only ship builds created * by MSVC, so doing it this way reduces complexity.) */ + +__declspec(noreturn) __inline void MOZ_NoReturn() {} + # ifdef __cplusplus -# define MOZ_CRASH() \ +# define MOZ_REALLY_CRASH() \ do { \ __debugbreak(); \ *((volatile int*) NULL) = 123; \ ::TerminateProcess(::GetCurrentProcess(), 3); \ + ::MOZ_NoReturn(); \ } while (0) # else -# define MOZ_CRASH() \ +# define MOZ_REALLY_CRASH() \ do { \ __debugbreak(); \ *((volatile int*) NULL) = 123; \ TerminateProcess(GetCurrentProcess(), 3); \ + MOZ_NoReturn(); \ } while (0) # endif #else # ifdef __cplusplus -# define MOZ_CRASH() \ +# define MOZ_REALLY_CRASH() \ do { \ *((volatile int*) NULL) = 123; \ ::abort(); \ } while (0) # else -# define MOZ_CRASH() \ +# define MOZ_REALLY_CRASH() \ do { \ *((volatile int*) NULL) = 123; \ abort(); \ @@ -190,24 +228,35 @@ extern "C" { #endif

/* - * Prints |s| as an assertion failure (using file and ln as the location of the - * assertion) to the standard debug-output channel. + * MOZ_CRASH([explanation-string]) crashes the program, plain and simple, in a + * Breakpad-compatible way, in both debug and release builds. + * + * MOZ_CRASH is a good solution for "handling" failure cases when you're + * unwilling or unable to handle them more cleanly -- for OOM, for likely memory + * corruption, and so on. It's also a good solution if you need safe behavior + * in release builds as well as debug builds. But if the failure is one that + * should be debugged and fixed, MOZ_ASSERT is generally preferable. + * + * The optional explanation-string, if provided, must be a string literal + * explaining why we're crashing. This argument is intended for use with + * MOZ_CRASH() calls whose rationale is non-obvious; don't use it if it's + * obvious why we're crashing. * - * Usually you should use MOZ_ASSERT instead of this method. This method is - * primarily for internal use in this header, and only secondarily for use in - * implementing release-build assertions. + * If we're a DEBUG build and we crash at a MOZ_CRASH which provides an + * explanation-string, we print the string to stderr. Otherwise, we don't + * print anything; this is because we want MOZ_CRASH to be 100% safe in release + * builds, and it's hard to print to stderr safely when memory might have been + * corrupted. */ -static MOZ_ALWAYS_INLINE void -MOZ_ReportAssertionFailure(const char* s, const char* file, int ln) -{ -#ifdef ANDROID - __android_log_print(ANDROID_LOG_FATAL, "MOZ_Assert", - "Assertion failure: %s, at %s:%d\n", s, file, ln); +#ifndef DEBUG +# define MOZ_CRASH(...) MOZ_REALLY_CRASH() #else - fprintf(stderr, "Assertion failure: %s, at %s:%d\n", s, file, ln); - fflush(stderr); +# define MOZ_CRASH(...) \ + do { \ + MOZ_ReportCrash("" __VA_ARGS__, __FILE__, __LINE__); \ + MOZ_REALLY_CRASH(); \ + } while(0) #endif -}

#ifdef __cplusplus } /* extern "C" */ @@ -251,7 +300,7 @@ MOZ_ReportAssertionFailure(const char* s, const char* file, int ln) do { \ if (MOZ_UNLIKELY(!(expr))) { \ MOZ_ReportAssertionFailure(#expr, __FILE__, __LINE__); \ - MOZ_CRASH(); \ + MOZ_REALLY_CRASH(); \ } \ } while (0) /* Now the two-argument form. */ @@ -259,7 +308,7 @@ MOZ_ReportAssertionFailure(const char* s, const char* file, int ln) do { \ if (MOZ_UNLIKELY(!(expr))) { \ MOZ_ReportAssertionFailure(#expr " (" explain ")", __FILE__, __LINE__); \ - MOZ_CRASH(); \ + MOZ_REALLY_CRASH(); \ } \ } while (0) /* And now, helper macrology up the wazoo. */