commit f4cbd3ca540207081024d8d67c9e8229c3002212 Author: Michael Zhang Date: Mon Jun 28 15:33:08 2021 -0500 initial diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea8c4bf --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/target diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 0000000..37dccfd --- /dev/null +++ b/Cargo.lock @@ -0,0 +1,232 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "ansi_term" +version = "0.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b" +dependencies = [ + "winapi", +] + +[[package]] +name = "anyhow" +version = "1.0.41" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "15af2628f6890fe2609a3b91bef4c83450512802e59489f9c1cb1fa5df064a61" + +[[package]] +name = "atty" +version = "0.2.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8" +dependencies = [ + "hermit-abi", + "libc", + "winapi", +] + +[[package]] +name = "bitflags" +version = "1.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693" + +[[package]] +name = "clap" +version = "2.33.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002" +dependencies = [ + "ansi_term", + "atty", + "bitflags", + "strsim", + "textwrap", + "unicode-width", + "vec_map", +] + +[[package]] +name = "heck" +version = "0.3.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c" +dependencies = [ + "unicode-segmentation", +] + +[[package]] +name = "hermit-abi" +version = "0.1.19" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33" +dependencies = [ + "libc", +] + +[[package]] +name = "lazy_static" +version = "1.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646" + +[[package]] +name = "libc" +version = "0.2.97" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "12b8adadd720df158f4d70dfe7ccc6adb0472d7c55ca83445f6a5ab3e36f8fb6" + +[[package]] +name = "proc-macro-error" +version = "1.0.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c" +dependencies = [ + "proc-macro-error-attr", + "proc-macro2", + "quote", + "syn", + "version_check", +] + +[[package]] +name = "proc-macro-error-attr" +version = "1.0.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869" +dependencies = [ + "proc-macro2", + "quote", + "version_check", +] + +[[package]] +name = "proc-macro2" +version = "1.0.27" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038" +dependencies = [ + "unicode-xid", +] + +[[package]] +name = "quote" +version = "1.0.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7" +dependencies = [ + "proc-macro2", +] + +[[package]] +name = "rsld" +version = "0.1.0" +dependencies = [ + "anyhow", + "structopt", +] + +[[package]] +name = "strsim" +version = "0.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a" + +[[package]] +name = "structopt" +version = "0.3.21" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5277acd7ee46e63e5168a80734c9f6ee81b1367a7d8772a2d765df2a3705d28c" +dependencies = [ + "clap", + "lazy_static", + "structopt-derive", +] + +[[package]] +name = "structopt-derive" +version = "0.4.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5ba9cdfda491b814720b6b06e0cac513d922fc407582032e8706e9f137976f90" +dependencies = [ + "heck", + "proc-macro-error", + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "syn" +version = "1.0.73" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f71489ff30030d2ae598524f61326b902466f72a0fb1a8564c001cc63425bcc7" +dependencies = [ + "proc-macro2", + "quote", + "unicode-xid", +] + +[[package]] +name = "textwrap" +version = "0.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060" +dependencies = [ + "unicode-width", +] + +[[package]] +name = "unicode-segmentation" +version = "1.7.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796" + +[[package]] +name = "unicode-width" +version = "0.1.8" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3" + +[[package]] +name = "unicode-xid" +version = "0.2.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3" + +[[package]] +name = "vec_map" +version = "0.8.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191" + +[[package]] +name = "version_check" +version = "0.9.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe" + +[[package]] +name = "winapi" +version = "0.3.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419" +dependencies = [ + "winapi-i686-pc-windows-gnu", + "winapi-x86_64-pc-windows-gnu", +] + +[[package]] +name = "winapi-i686-pc-windows-gnu" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" + +[[package]] +name = "winapi-x86_64-pc-windows-gnu" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..6fbe8d5 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,8 @@ +[package] +name = "rsld" +version = "0.1.0" +edition = "2018" + +[dependencies] +anyhow = "1.0.41" +structopt = "0.3.21" diff --git a/ctest/Makefile b/ctest/Makefile new file mode 100644 index 0000000..2b2fb47 --- /dev/null +++ b/ctest/Makefile @@ -0,0 +1,19 @@ +CC := clang + +SOURCES := $(shell find -type f -name "*.c") +OBJECTS := $(patsubst %.c, bin/%.bin, $(SOURCES)) + +CFLAGS := -v -static -fuse-ld=$(shell pwd)/../target/debug/rsld + +all: $(OBJECTS) + +bin/%.bin: %.c bin + $(CC) $(CFLAGS) -o $@ $< + +bin: + mkdir -p bin + +clean: + rm -rf bin + +.PHONY: all clean \ No newline at end of file diff --git a/ctest/hello.c b/ctest/hello.c new file mode 100644 index 0000000..f09f1ba --- /dev/null +++ b/ctest/hello.c @@ -0,0 +1,5 @@ +#include +int main(void) { + printf("Hello, world!"); + return 0; +} \ No newline at end of file diff --git a/src/link.rs b/src/link.rs new file mode 100644 index 0000000..3e56362 --- /dev/null +++ b/src/link.rs @@ -0,0 +1,5 @@ +use crate::Opt; + +pub(crate) fn link(opt: &Opt) { + +} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..5b10747 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,84 @@ +mod link; + +use std::env; +use std::path::PathBuf; + +#[derive(Debug, Default)] +struct Opt { + eh_frame_hdr: bool, + is_static: bool, + emulate: String, + out: Option, + link_includes: Vec, + link_to: Vec, + units: Vec, +} + +#[derive(Debug)] +enum LinkUnit { + Path(PathBuf), + Group(Vec), +} + +fn main() { + let mut opt = Opt::default(); + let mut it = env::args(); + let mut curr_group = None; + + // skip first arg + it.next(); + + while let Some(arg) = it.next() { + if arg == "-static" { + opt.is_static = true; + } + + else if arg == "--eh-frame-hdr" { + opt.eh_frame_hdr = true; + } + + else if arg == "-m" { + let next = it.next().unwrap(); + opt.emulate = next; + } + + else if arg == "-o" { + let next = it.next().unwrap(); + opt.out = Some(PathBuf::from(next)); + } + + else if arg == "--start-group" { + curr_group = Some(Vec::new()); + } + + else if arg == "--end-group" { + if let Some(curr_group) = curr_group.take() { + if !curr_group.is_empty() { + opt.units.push(LinkUnit::Group(curr_group)); + } + } + } + + else if arg.starts_with("-L") { + let path = PathBuf::from(arg.trim_start_matches("-L")); + opt.link_includes.push(path); + } + + else if arg.starts_with("-l") { + opt.link_to.push(arg.trim_start_matches("-l").to_owned()); + } + + else { + let path = PathBuf::from(&arg); + if let Some(curr_group) = curr_group.as_mut() { + curr_group.push(path); + } else { + opt.units.push(LinkUnit::Path(path)); + } + } + } + + link::link(&opt); + + println!("opt: {:?}", opt); +}