darbee

svc 模式

7

> ARM 芯片有五种模式，在不同模式有不同的作用。只有开启了 SVC 模式,不在此模式访问了那些寄存器，会出现硬件错误 这句话我不听明白，汇编的协程上下文切换的代码中，哪些寄存器的访问需要SVC 模式，不都是有些浮点寄存器和通用寄存器吗？

There is any one who translate the x86 64 assembly language to arm64?

2

I want to port the assembly language to arm64. There is any one can help leaq 8(%rsp),%rax leaq 112(%rdi),%rsp pushq %rax pushq %rbx pushq %rcx pushq %rdx pushq -8(%rax) //ret...

compile with -stdlib=libstdc++ flag failed

1

Just like the issue https://github.com/protocolbuffers/protobuf/issues/2945 When I compile protobuf using ./configure CXXFLAGS="-stdlib=libstdc++" It failed. I even tried version 2.6.1 Any help is appreciated, please let me know if you need...