From cd0cb8e673c0a2609174f456c3145e61ec408791 Mon Sep 17 00:00:00 2001
From: Marek Szuba <marecki@gentoo.org>
Date: Fri, 8 Jan 2021 22:53:40 +0000
Subject: net-libs/nodejs-12.20.1: fix mksnapshot segfaults on ppc64

Upstream regression?

Signed-off-by: Marek Szuba <marecki@gentoo.org>
---
 .../files/nodejs-12.20.1-fix_ppc64_crashes.patch   | 44 ++++++++++++++++++++++
 net-libs/nodejs/nodejs-12.20.1.ebuild              |  1 +
 2 files changed, 45 insertions(+)
 create mode 100644 net-libs/nodejs/files/nodejs-12.20.1-fix_ppc64_crashes.patch

(limited to 'net-libs/nodejs')

diff --git a/net-libs/nodejs/files/nodejs-12.20.1-fix_ppc64_crashes.patch b/net-libs/nodejs/files/nodejs-12.20.1-fix_ppc64_crashes.patch
new file mode 100644
index 000000000000..0982d3c81c2a
--- /dev/null
+++ b/net-libs/nodejs/files/nodejs-12.20.1-fix_ppc64_crashes.patch
@@ -0,0 +1,44 @@
+Backport of https://github.com/nodejs/node/pull/33866 to nodejs-12
+
+--- a/deps/v8/src/compiler/backend/instruction-selector.cc
++++ b/deps/v8/src/compiler/backend/instruction-selector.cc
+@@ -2788,7 +2788,7 @@
+   switch (call_descriptor->kind()) {
+     case CallDescriptor::kCallAddress: {
+       int misc_field = static_cast<int>(call_descriptor->ParameterCount());
+-#if defined(_AIX)
++#if ABI_USES_FUNCTION_DESCRIPTORS
+       // Highest misc_field bit is used on AIX to indicate if a CFunction call
+       // has function descriptor or not.
+       misc_field |= call_descriptor->HasFunctionDescriptor()
+--- a/deps/v8/src/compiler/backend/ppc/code-generator-ppc.cc
++++ b/deps/v8/src/compiler/backend/ppc/code-generator-ppc.cc
+@@ -1026,7 +1026,7 @@
+       Label start_call;
+       bool isWasmCapiFunction =
+           linkage()->GetIncomingDescriptor()->IsWasmCapiFunction();
+-#if defined(_AIX)
++#if ABI_USES_FUNCTION_DESCRIPTORS
+       // AIX/PPC64BE Linux uses a function descriptor
+       int kNumParametersMask = kHasFunctionDescriptorBitMask - 1;
+       num_parameters = kNumParametersMask & misc_field;
+--- a/deps/v8/src/execution/simulator.h
++++ b/deps/v8/src/execution/simulator.h
+@@ -122,7 +122,7 @@
+ 
+   DISABLE_CFI_ICALL Return Call(Args... args) {
+     // When running without a simulator we call the entry directly.
+-#if V8_OS_AIX
++#if ABI_USES_FUNCTION_DESCRIPTORS
+     // AIX ABI requires function descriptors (FD).  Artificially create a pseudo
+     // FD to ensure correct dispatch to generated code.  The 'volatile'
+     // declaration is required to avoid the compiler from not observing the
+@@ -134,7 +134,7 @@
+     return fn(args...);
+ #else
+     return fn_ptr_(args...);
+-#endif  // V8_OS_AIX
++#endif  // ABI_USES_FUNCTION_DESCRIPTORS
+   }
+ #endif  // USE_SIMULATOR
+ 
diff --git a/net-libs/nodejs/nodejs-12.20.1.ebuild b/net-libs/nodejs/nodejs-12.20.1.ebuild
index 87b53e063d27..fc8227e01db6 100644
--- a/net-libs/nodejs/nodejs-12.20.1.ebuild
+++ b/net-libs/nodejs/nodejs-12.20.1.ebuild
@@ -45,6 +45,7 @@ DEPEND="
 "
 PATCHES=(
 	"${FILESDIR}"/${PN}-10.3.0-global-npm-config.patch
+	"${FILESDIR}"/${PN}-12.20.1-fix_ppc64_crashes.patch
 	"${FILESDIR}"/${PN}-99999999-llhttp.patch
 )
 RESTRICT="test"
-- 
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