termux-packages/packages/nodejs/deps-v8-src-heap-base-asm-x...

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--- ./deps/v8/src/heap/base/asm/x64/push_registers_asm.cc 2021-09-10 22:55:12.000000000 +0530
+++ ./deps/v8/src/heap/base/asm/x64/push_registers_asm.cc.mod 2021-09-12 16:03:58.444141027 +0530
@@ -16,12 +16,15 @@
// GN toolchain (e.g. ChromeOS) and not provide them.
// _WIN64 Defined as 1 when the compilation target is 64-bit ARM or x64.
// Otherwise, undefined.
+
+#if defined(V8_TARGET_ARCH_ARM64) || defined(V8_TARGET_ARCH_X64)
#ifdef _WIN64
// We maintain 16-byte alignment at calls. There is an 8-byte return address
// on the stack and we push 232 bytes which maintains 16-byte stack alignment
// at the call.
// Source: https://docs.microsoft.com/en-us/cpp/build/x64-calling-convention
+
asm(".globl PushAllRegistersAndIterateStack \n"
"PushAllRegistersAndIterateStack: \n"
// rbp is callee-saved. Maintain proper frame pointer for debugging.
@@ -104,3 +107,39 @@
" ret \n");
#endif // !_WIN64
+#else
+asm(
+#ifdef _WIN32
+ ".globl _PushAllRegistersAndIterateStack \n"
+ "_PushAllRegistersAndIterateStack: \n"
+#else // !_WIN32
+ ".globl PushAllRegistersAndIterateStack \n"
+ ".type PushAllRegistersAndIterateStack, %function \n"
+ ".hidden PushAllRegistersAndIterateStack \n"
+ "PushAllRegistersAndIterateStack: \n"
+#endif // !_WIN32
+ // [ IterateStackCallback ]
+ // [ StackVisitor* ]
+ // [ Stack* ]
+ // [ ret ]
+ // ebp is callee-saved. Maintain proper frame pointer for debugging.
+ " push %ebp \n"
+ " movl %esp, %ebp \n"
+ " push %ebx \n"
+ " push %esi \n"
+ " push %edi \n"
+ // Save 3rd parameter (IterateStackCallback).
+ " movl 28(%esp), %ecx \n"
+ // Pass 3rd parameter as esp (stack pointer).
+ " push %esp \n"
+ // Pass 2nd parameter (StackVisitor*).
+ " push 28(%esp) \n"
+ // Pass 1st parameter (Stack*).
+ " push 28(%esp) \n"
+ " call *%ecx \n"
+ // Pop the callee-saved registers.
+ " addl $24, %esp \n"
+ // Restore rbp as it was used as frame pointer.
+ " pop %ebp \n"
+ " ret \n");
+#endif