void-packages/srcpkgs/webkit2gtk/patches/fix-musl-javascriptcore.patch

112 lines
4.7 KiB
Diff

Source: @q66, @pullmoll
Original upstream: Alpine Linux
Reason: fixing machine context access for musl libc; reduce stack/heap usage for jsc; fix some overly restrictive __GLIBC__ checks
Updated for latest webkit2gtk.
-diff --git Source/JavaScriptCore/runtime/MachineContext.h Source/JavaScriptCore/runtime/MachineContext.h
index ead9cdf..09dc28a 100644
--- Source/JavaScriptCore/runtime/MachineContext.h
+++ Source/JavaScriptCore/runtime/MachineContext.h
@@ -196,7 +196,7 @@ static inline void*& stackPointerImpl(mcontext_t& machineContext)
#error Unknown Architecture
#endif
-#elif OS(FUCHSIA) || defined(__GLIBC__) || defined(__BIONIC__)
+#elif OS(FUCHSIA) || defined(__linux__)
#if CPU(X86)
return reinterpret_cast<void*&>((uintptr_t&) machineContext.gregs[REG_ESP]);
@@ -347,7 +347,7 @@ static inline void*& framePointerImpl(mcontext_t& machineContext)
#error Unknown Architecture
#endif
-#elif OS(FUCHSIA) || defined(__GLIBC__) || defined(__BIONIC__)
+#elif OS(FUCHSIA) || defined(__linux__)
// The following sequence depends on glibc's sys/ucontext.h.
#if CPU(X86)
@@ -498,7 +498,7 @@ static inline void*& instructionPointerImpl(mcontext_t& machineContext)
#error Unknown Architecture
#endif
-#elif OS(FUCHSIA) || defined(__GLIBC__) || defined(__BIONIC__)
+#elif OS(FUCHSIA) || defined(__linux__)
// The following sequence depends on glibc's sys/ucontext.h.
#if CPU(X86)
@@ -656,7 +656,7 @@ inline void*& argumentPointer<1>(mcontext_t& machineContext)
#error Unknown Architecture
#endif
-#elif OS(FUCHSIA) || defined(__GLIBC__) || defined(__BIONIC__)
+#elif OS(FUCHSIA) || defined(__linux__)
// The following sequence depends on glibc's sys/ucontext.h.
#if CPU(X86)
@@ -773,7 +773,7 @@ inline void*& llintInstructionPointer(mcontext_t& machineContext)
#error Unknown Architecture
#endif
-#elif OS(FUCHSIA) || defined(__GLIBC__) || defined(__BIONIC__)
+#elif OS(FUCHSIA) || defined(__linux__)
// The following sequence depends on glibc's sys/ucontext.h.
#if CPU(X86)
diff --git Source/JavaScriptCore/runtime/OptionsList.h Source/JavaScriptCore/runtime/OptionsList.h
index bc1cedb..f161f1c 100644
--- Source/JavaScriptCore/runtime/OptionsList.h
+++ Source/JavaScriptCore/runtime/OptionsList.h
@@ -39,6 +39,16 @@ namespace JSC {
JS_EXPORT_PRIVATE bool canUseJITCage();
+#if defined(__GLIBC__)
+constexpr unsigned jscMaxPerThreadStack = 5 * MB;
+constexpr unsigned jscSoftReservedZoneSize = 128 * KB;
+constexpr unsigned jscReservedZoneSize = 64 * KB;
+#else
+constexpr unsigned jscMaxPerThreadStack = 80 * KB;
+constexpr unsigned jscSoftReservedZoneSize = 32 * KB;
+constexpr unsigned jscReservedZoneSize = 16 * KB;
+#endif
+
// How do JSC VM options work?
// ===========================
// The FOR_EACH_JSC_OPTION() macro below defines a list of all JSC options in use,
@@ -86,9 +96,9 @@ JS_EXPORT_PRIVATE bool canUseJITCage();
\
v(Bool, reportMustSucceedExecutableAllocations, false, Normal, nullptr) \
\
- v(Unsigned, maxPerThreadStackUsage, 5 * MB, Normal, "Max allowed stack usage by the VM") \
- v(Unsigned, softReservedZoneSize, 128 * KB, Normal, "A buffer greater than reservedZoneSize that reserves space for stringifying exceptions.") \
- 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).") \
+ v(Unsigned, maxPerThreadStackUsage, jscMaxPerThreadStack, Normal, "Max allowed stack usage by the VM") \
+ v(Unsigned, softReservedZoneSize, jscSoftReservedZoneSize, Normal, "A buffer greater than reservedZoneSize that reserves space for stringifying exceptions.") \
+ 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).") \
\
v(Bool, crashOnDisallowedVMEntry, ASSERT_ENABLED, Normal, "Forces a crash if we attempt to enter the VM when disallowed") \
v(Bool, crashIfCantAllocateJITMemory, false, Normal, nullptr) \
diff --git Source/WebCore/xml/XPathGrammar.cpp Source/WebCore/xml/XPathGrammar.cpp
index 0875a5e..98d5153 100644
--- Source/WebCore/xml/XPathGrammar.cpp
+++ Source/WebCore/xml/XPathGrammar.cpp
@@ -966,7 +966,7 @@ int yydebug;
#if YYERROR_VERBOSE
# ifndef yystrlen
-# if defined __GLIBC__ && defined _STRING_H
+# if defined __linux__ && defined _STRING_H
# define yystrlen strlen
# else
/* Return the length of YYSTR. */
@@ -989,7 +989,7 @@ yystrlen (yystr)
# endif
# ifndef yystpcpy
-# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
+# if defined __linux__ && defined _STRING_H && defined _GNU_SOURCE
# define yystpcpy stpcpy
# else
/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in