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const std = @import("std");
const capstone = @import("build/capstone.zig").capstone;
pub fn build(b: *std.Build) !void {
// A plain native build links against the host's glibc CRT objects
// (/usr/lib/crt1.o). Recent toolchains emit `.sframe` unwind sections whose
// R_X86_64_PC64 relocations Zig 0.16's self-hosted ELF linker cannot yet
// handle, producing "unhandled relocation type" link errors. By defaulting
// to an explicit-ABI (but otherwise native) target, Zig builds and links
// its own bundled CRT instead, sidestepping the issue while keeping native
// CPU/OS tuning. An explicit `-Dtarget=` still overrides this default.
const target = b.standardTargetOptions(.{
.default_target = .{ .abi = b.graph.host.result.abi },
});
const optimize = b.standardOptimizeOption(.{});
const vaxis_dep = b.dependency("vaxis", .{});
const elfo = b.addExecutable(.{
.name = "elfo",
.root_module = b.createModule(.{
.root_source_file = b.path("src/elfo.zig"),
.target = target,
.optimize = optimize,
.link_libc = true,
}),
});
const shock = b.addExecutable(.{
.name = "shock",
.root_module = b.createModule(.{
.root_source_file = b.path("src/shock.zig"),
.target = target,
.optimize = optimize,
.link_libc = true,
}),
});
shock.root_module.addImport("vaxis", vaxis_dep.module("vaxis"));
const capstone_lib = capstone(b, .{
.optimize = optimize,
.target = target,
});
b.installArtifact(capstone_lib);
elfo.root_module.linkLibrary(capstone_lib);
elfo.root_module.addImport("capstone", capstone_lib.root_module);
b.installArtifact(elfo);
const opt_gdb = b.option(bool, "gdb", "Run executable under gdb") orelse false;
const comp_opts = b.addOptions();
comp_opts.addOption(bool, "gdb", opt_gdb);
const unit_tests = b.addTest(.{
.root_module = b.createModule(.{
.optimize = optimize,
.target = target,
.root_source_file = b.path("tests/test.zig"),
}),
});
// Looooopy
const c_file = b.createModule(.{
.optimize = .ReleaseFast,
.target = target,
.link_libc = true,
});
const c_test_exe = b.addExecutable(.{
.root_module = c_file,
.name = "sample_exe",
});
c_file.addCSourceFile(.{ .file = b.path("tests/c/hello-world.c") });
const runner = b.addRunArtifact(elfo);
runner.addArtifactArg(c_test_exe);
const loop_step = b.step("loop", "Interative Programming Loop! you should run it with watch: i.e. zig build loop --watch");
loop_step.dependOn(&runner.step);
// objdump comparison: per-symbol side-by-side elfo vs objdump
const compare_runner = b.addRunArtifact(elfo);
compare_runner.addArtifactArg(c_test_exe);
compare_runner.addArg("--compare");
const objdump_step = b.step("objdump", "Compare elfo output against objdump per symbol");
objdump_step.dependOn(&compare_runner.step);
// Symbol resolution test
const test_symbols_mod = b.createModule(.{
.root_source_file = b.path("tests/test_symbols.zig"),
.target = target,
.optimize = optimize,
.link_libc = true,
});
test_symbols_mod.addImport("elfo", elfo.root_module);
const test_symbols = b.addExecutable(.{
.name = "test_symbols",
.root_module = test_symbols_mod,
});
const run_test_symbols = b.addRunArtifact(test_symbols);
run_test_symbols.addArtifactArg(c_test_exe);
run_test_symbols.expectExitCode(0);
// ---
const zls_check = b.step("check", "Check if the program compiles");
zls_check.dependOn(&elfo.step);
zls_check.dependOn(&shock.step);
zls_check.dependOn(&unit_tests.step);
const test_step = b.step("test", "Run unit tests");
test_step.dependOn(&run_test_symbols.step);
const run_steps = [_]struct { *std.Build.Step, *std.Build.Step.Compile }{
.{ test_step, unit_tests },
.{ b.step("elfo", "See the pretty elfo!"), elfo },
.{ b.step("shock", "SHOCK something!"), shock },
};
const gdbscript = b.addWriteFile("gdbscript",
\\r
);
for (run_steps) |run| {
run.@"1".root_module.addOptions("meta", comp_opts);
if (opt_gdb) {
const run_gdb = b.addSystemCommand(&.{"gdb"});
run_gdb.addArg("-x");
run_gdb.addFileArg(gdbscript.getDirectory().path(b, "gdbscript"));
run_gdb.addArtifactArg(run.@"1");
run.@"0".dependOn(&run_gdb.step);
} else {
const run_unit = b.addRunArtifact(run.@"1");
run.@"0".dependOn(&run_unit.step);
}
}
}
|
