This repository has no description
add basic-init test package
author
Thomas Stokes
date
(Jan 15, 2025, 11:29 PM +0800)
commit
d12a5b49
d12a5b494fd4c90874af628cfb7bee2d36758f99
parent
4cf31410
4cf31410453c20f1f04539b744a17eb5b8d962e4
+55
+30
packages/basic-init/init.c
+30
packages/basic-init/init.c
···
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#include <sched.h>
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#include <stdio.h>
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#include <sys/utsname.h>
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#include <unistd.h>
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int main(int argc, char *argv[], char *envp[]) {
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printf("Hello, world!\n");
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printf("pid = %d\n", getpid());
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struct utsname sysinfo;
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if (uname(&sysinfo) == -1) {
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perror("uname");
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return 1;
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}
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printf("%s %s %s\n", sysinfo.sysname, sysinfo.release, sysinfo.version);
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printf("argc = %d\n", argc);
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for (int i = 0; i < argc; i++)
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printf("argv[%d] = %s\n", i, argv[i]);
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for (int i = 0; envp[i]; i++)
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printf("envp[%d] = %s\n", i, envp[i]);
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printf("idling forever\n");
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for (;;)
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sched_yield();
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return 0;
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}
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packages/basic-init/package.nix
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packages/basic-init/package.nix
···
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{
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run,
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clang,
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lld,
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musl,
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compiler-rt,
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}:
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run
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{
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name = "basic-init";
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src = ./.;
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path = [
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clang
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lld
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];
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}
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''
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clang -c -o init.o init.c --target=wasm32 -nostdinc -isystem ${musl}/include
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wasm-ld -o init init.o ${compiler-rt}/libclang_rt.builtins-wasm32.a ${musl}/lib/crt1.o -L${musl}/lib -lc --fatal-warnings --initial-memory=655360
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mkdir -p $out/bin
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cp init $out/bin
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''