prattmic

module example.com/weighted-merge

go 1.21

require (
	github.com/chzyer/readline v1.5.1 // indirect
	github.com/google/pprof v0.0.0-20231205033806-a5a03c77bf08 // indirect
	github.com/ianlancetaylor/demangle v0.0.0-20230524184225-eabc099b10ab // indirect
	golang.org/x/sys v0.6.0 // indirect
)

prattmic

/* x86-64 Linux only! */

#define __NR_exit_group 231

.text

.global foobar
foobar:
    movq $__NR_exit_group, %rax
    movq $42, %rdi

prattmic

load("@nanopb//:nanopb.bzl", "nanopb_cpp_library")

nanopb_cpp_library(
    name = "test",
    proto = "test.proto",
)

prattmic

venv/
_build/

prattmic

#!/usr/bin/env python2

import argparse
import re
import fileinput

# Match a camelCaseName in a context it might be expected:
# ' ' -> 'def camelCaseName'
# '.' -> 'self.camelCaseName'
# '_' -> 'test_camelCaseName'

prattmic

main:     file format elf32-littlearm


Disassembly of section .text:

08000000 <main>:
 8000000:	f240 0068 	movw	r0, #104	; 0x68
 8000004:	f6c0 0000 	movt	r0, #2048	; 0x800
 8000008:	f890 1021 	ldrb.w	r1, [r0, #33]	; 0x21

prattmic

use std::io::BufferedReader;
use std::io::File;
use std::os;

fn main() {
    let args = os::args();

    if args.len() < 2 {
        println!("Provide a file to read!");
        return;

prattmic

// Based on https://github.com/kmcallister/rust/blob/8ccbf4f2d4c6d0755b6460d0b0809e442af2bd6d/src/test/run-pass/format-no-std.rs

#![feature(phase)]
#![no_std]

#[phase(plugin, link)]
extern crate core;

#[phase(plugin, link)]
extern crate collections;

prattmic

int main(int argc, char **argv) {
  400506:       55                      push   %rbp
  400507:       48 89 e5                mov    %rsp,%rbp
  40050a:       48 83 ec 20             sub    $0x20,%rsp
  40050e:       89 7d ec                mov    %edi,-0x14(%rbp)
  400511:       48 89 75 e0             mov    %rsi,-0x20(%rbp)
    int x = 1;
  400515:       c7 45 fc 01 00 00 00    movl   $0x1,-0x4(%rbp)

    if (x) {

prattmic

all: unoptimized optimized

unoptimized:
	gcc -o $@ fun.c

optimized:
	gcc -O2 -o $@ fun.c