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# Syscalls Demystified: Understanding the Assembly-Level Mechanics
PrefaceAs we saw recently when trying to create the shortest C program. The biggest cost in this program was glibc and its overhead …
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While trying some inline assembly in my solutions to an online math puzzle site (without spoiling which one), I ran into a case that gets the right answer in debug mode or `opt-level = 1`, but fails a…
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Is there any way of doing the following:
```rust
fn some_function -> ! {
let led_program = pio_proc::pio_asm!(
".define T1 42",
".wrap_target",
"mov pins , 0 [T…
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**Describe the bug**
From working with someone in the community, I received a report that their OpenSUSE MicroOS instances were failing to start the socket tracer. Their PEMs fail to compile multiple…
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The feature gate for the issue is `#![feature(asm_goto)]`.
### Summary
This feature adds a `label` operand type to `asm!`.
Example:
```rust
unsafe {
asm!(
"jmp {}",
…
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## Background
Over the journey we've iterated on trying to find the best way to declare decision variables and state. We used to have `let` instead of `var` and we didn't have `const` until it was…
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| | |
| --- | --- |
| Bugzilla Link | [33684](https://llvm.org/bz33684) |
| Version | trunk |
| OS | Linux |
| Attachments | [The functions that fail.](https://user-images.githubusercontent.com/6094…
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Originally reported by https://discourse.llvm.org/t/frontend-how-to-use-register-union-or-struct-in-c/81392.
https://godbolt.org/z/bz8nM1E9x
```
typedef union Test {
int i;
} Test;
reg…
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1. **启用服务网络**
* 在两个集群上启用服务网络。这将允许集群内的 Pod 相互通信,无论它们位于哪个集群。
* 在每个集群上运行以下命令:
```
gcloud container clusters update CLUSTER_NAME \
--enable-ip-alias \
--cluster-ipv4-cidr=1…
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java.lang.IllegalArgumentException: Unsupported class file major version 65
at org.objectweb.asm.ClassReader.(ClassReader.java:199)
at org.objectweb.asm.ClassReader.(ClassReader.java:180)
at org…