cli/q
Code Issues 1 Pull Requests Activity

Improved build performance

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This commit is contained in:
Eduard Urbach
2023-10-29 16:16:36 +01:00
parent fbe6aa80bb
commit 5fe83543fd
18 changed files with 122 additions and 120 deletions
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29
src/build/Build.go
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@ -10,27 +10,31 @@ import (
"git.akyoto.dev/cli/q/src/directory"
"git.akyoto.dev/cli/q/src/elf"
"git.akyoto.dev/cli/q/src/errors"
"git.akyoto.dev/cli/q/src/linux"
"git.akyoto.dev/cli/q/src/log"
"git.akyoto.dev/cli/q/src/register"
"git.akyoto.dev/cli/q/src/syscall"
)
// Build describes a compiler build.
type Build struct {
Name string
Directory string
Verbose bool
WriteExecutable bool
}
// New creates a new build.
func New(directory string) *Build {
return &Build{
Name: filepath.Base(directory),
Directory: directory,
WriteExecutable: true,
}
}
var (
hello = []byte("Hello\n")
world = []byte("World\n")
)
// Run parses the input files and generates an executable file.
func (build *Build) Run() error {
// err := build.Compile()
@ -39,33 +43,34 @@ func (build *Build) Run() error {
// return err
// }
a := asm.New()
a := asm.Assembler{
Instructions: make([]asm.Instruction, 0, 8),
Verbose: build.Verbose,
}
a.MoveRegisterNumber(register.Syscall0, syscall.Write)
a.MoveRegisterNumber(register.Syscall0, linux.Write)
a.MoveRegisterNumber(register.Syscall1, 1)
hello := []byte("Hello\n")
a.MoveRegisterData(register.Syscall2, hello)
a.MoveRegisterNumber(register.Syscall3, uint64(len(hello)))
a.Syscall()
a.MoveRegisterNumber(register.Syscall0, syscall.Write)
a.MoveRegisterNumber(register.Syscall0, linux.Write)
a.MoveRegisterNumber(register.Syscall1, 1)
world := []byte("World\n")
a.MoveRegisterData(register.Syscall2, world)
a.MoveRegisterNumber(register.Syscall3, uint64(len(world)))
a.Syscall()
a.MoveRegisterNumber(register.Syscall0, syscall.Exit)
a.MoveRegisterNumber(register.Syscall0, linux.Exit)
a.MoveRegisterNumber(register.Syscall1, 0)
a.Syscall()
result := a.Finalize()
code, data := a.Finalize()
if !build.WriteExecutable {
return nil
}
return writeToDisk(build.Executable(), result.Code, result.Data)
return writeToDisk(build.Executable(), code, data)
}
// Compile compiles all the functions.
@ -93,7 +98,7 @@ func (build *Build) Compile() error {
// Executable returns the path to the executable.
func (build *Build) Executable() string {
return filepath.Join(build.Directory, build.Name)
return filepath.Join(build.Directory, filepath.Base(build.Directory))
}
// writeToDisk writes the executable file to disk.