137 lines
5.7 KiB
Diff
137 lines
5.7 KiB
Diff
Source: @q66, @pullmoll
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Original upstream: Alpine Linux
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Reason: fixing machine context access for musl libc; reduce stack/heap usage for jsc; fix some overly restrictive __GLIBC__ checks
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Updated for latest webkit2gtk.
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--- Source/JavaScriptCore/runtime/MachineContext.h
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+++ Source/JavaScriptCore/runtime/MachineContext.h
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@@ -188,7 +188,7 @@ static inline void*& stackPointerImpl(mcontext_t& machineContext)
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#error Unknown Architecture
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#endif
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-#elif OS(FUCHSIA) || defined(__GLIBC__) || defined(__BIONIC__)
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+#elif OS(FUCHSIA) || defined(__linux__)
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#if CPU(X86)
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return reinterpret_cast<void*&>((uintptr_t&) machineContext.gregs[REG_ESP]);
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@@ -335,7 +335,7 @@ static inline void*& framePointerImpl(mcontext_t& machineContext)
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#error Unknown Architecture
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#endif
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-#elif OS(FUCHSIA) || defined(__GLIBC__) || defined(__BIONIC__)
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+#elif OS(FUCHSIA) || defined(__linux__)
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// The following sequence depends on glibc's sys/ucontext.h.
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#if CPU(X86)
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@@ -482,7 +482,7 @@ static inline void*& instructionPointerImpl(mcontext_t& machineContext)
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#error Unknown Architecture
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#endif
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-#elif OS(FUCHSIA) || defined(__GLIBC__) || defined(__BIONIC__)
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+#elif OS(FUCHSIA) || defined(__linux__)
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// The following sequence depends on glibc's sys/ucontext.h.
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#if CPU(X86)
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@@ -639,7 +639,7 @@ inline void*& argumentPointer<1>(mcontext_t& machineContext)
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#error Unknown Architecture
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#endif
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-#elif OS(FUCHSIA) || defined(__GLIBC__) || defined(__BIONIC__)
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+#elif OS(FUCHSIA) || defined(__linux__)
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// The following sequence depends on glibc's sys/ucontext.h.
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#if CPU(X86)
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@@ -756,7 +756,7 @@ inline void*& llintInstructionPointer(mcontext_t& machineContext)
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#error Unknown Architecture
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#endif
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-#elif OS(FUCHSIA) || defined(__GLIBC__) || defined(__BIONIC__)
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+#elif OS(FUCHSIA) || defined(__linux__)
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// The following sequence depends on glibc's sys/ucontext.h.
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#if CPU(X86)
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--- Source/JavaScriptCore/runtime/Options.h
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+++ Source/JavaScriptCore/runtime/Options.h
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@@ -112,6 +112,16 @@ constexpr bool enableWebAssemblyStreamingApi = true;
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constexpr bool enableWebAssemblyStreamingApi = false;
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#endif
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+#if defined(__GLIBC__)
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+constexpr unsigned jscMaxPerThreadStack = 4 * MB;
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+constexpr unsigned jscSoftReservedZoneSize = 128 * KB;
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+constexpr unsigned jscReservedZoneSize = 64 * KB;
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+#else
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+constexpr unsigned jscMaxPerThreadStack = 80 * KB;
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+constexpr unsigned jscSoftReservedZoneSize = 32 * KB;
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+constexpr unsigned jscReservedZoneSize = 16 * KB;
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+#endif
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+
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#define JSC_OPTIONS(v) \
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v(bool, validateOptions, false, Normal, "crashes if mis-typed JSC options were passed to the VM") \
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v(unsigned, dumpOptions, 0, Normal, "dumps JSC options (0 = None, 1 = Overridden only, 2 = All, 3 = Verbose)") \
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@@ -126,9 +136,9 @@ constexpr bool enableWebAssemblyStreamingApi = false;
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\
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v(bool, reportMustSucceedExecutableAllocations, false, Normal, nullptr) \
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\
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- v(unsigned, maxPerThreadStackUsage, 4 * MB, Normal, "Max allowed stack usage by the VM") \
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- v(unsigned, softReservedZoneSize, 128 * KB, Normal, "A buffer greater than reservedZoneSize that reserves space for stringifying exceptions.") \
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- v(unsigned, reservedZoneSize, 64 * KB, Normal, "The amount of stack space we guarantee to our clients (and to interal VM code that does not call out to clients).") \
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+ v(unsigned, maxPerThreadStackUsage, jscMaxPerThreadStack, Normal, "Max allowed stack usage by the VM") \
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+ v(unsigned, softReservedZoneSize, jscSoftReservedZoneSize, Normal, "A buffer greater than reservedZoneSize that reserves space for stringifying exceptions.") \
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+ v(unsigned, reservedZoneSize, jscReservedZoneSize, Normal, "The amount of stack space we guarantee to our clients (and to interal VM code that does not call out to clients).") \
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\
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v(bool, crashIfCantAllocateJITMemory, false, Normal, nullptr) \
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v(unsigned, jitMemoryReservationSize, 0, Normal, "Set this number to change the executable allocation size in ExecutableAllocatorFixedVMPool. (In bytes.)") \
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--- Source/ThirdParty/ANGLE/src/compiler/preprocessor/ExpressionParser.cpp
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+++ Source/ThirdParty/ANGLE/src/compiler/preprocessor/ExpressionParser.cpp
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@@ -728,7 +728,7 @@ int yydebug;
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#if YYERROR_VERBOSE
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# ifndef yystrlen
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-# if defined __GLIBC__ && defined _STRING_H
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+# if defined __linux__ && defined _STRING_H
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# define yystrlen strlen
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# else
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/* Return the length of YYSTR. */
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@@ -743,7 +743,7 @@ static YYSIZE_T yystrlen(const char *yystr)
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# endif
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# ifndef yystpcpy
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-# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
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+# if defined __linux__ && defined _STRING_H && defined _GNU_SOURCE
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# define yystpcpy stpcpy
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# else
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/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
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--- Source/WTF/wtf/Platform.h
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+++ Source/WTF/wtf/Platform.h
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@@ -707,7 +707,7 @@
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#endif /* OS(DARWIN) */
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-#if OS(DARWIN) || OS(FUCHSIA) || ((OS(FREEBSD) || defined(__GLIBC__) || defined(__BIONIC__)) && (CPU(X86) || CPU(X86_64) || CPU(ARM) || CPU(ARM64) || CPU(MIPS)))
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+#if OS(DARWIN) || OS(FUCHSIA) || ((OS(FREEBSD) || defined(__linux__)) && (CPU(X86) || CPU(X86_64) || CPU(ARM) || CPU(ARM64) || CPU(MIPS)))
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#define HAVE_MACHINE_CONTEXT 1
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#endif
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--- Source/WebCore/xml/XPathGrammar.cpp
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+++ Source/WebCore/xml/XPathGrammar.cpp
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@@ -966,7 +966,7 @@
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#if YYERROR_VERBOSE
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# ifndef yystrlen
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-# if defined __GLIBC__ && defined _STRING_H
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+# if defined __linux__ && defined _STRING_H
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# define yystrlen strlen
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# else
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/* Return the length of YYSTR. */
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@@ -989,7 +989,7 @@
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# endif
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# ifndef yystpcpy
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-# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
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+# if defined __linux__ && defined _STRING_H && defined _GNU_SOURCE
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# define yystpcpy stpcpy
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# else
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/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
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