cli/q
Code Issues 1 Pull Requests Activity

Added Mach-O file format

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This commit is contained in:
Eduard Urbach
2024-08-11 21:15:47 +02:00
parent cc215a27c7
commit 58f010b81a
10 changed files with 266 additions and 4 deletions
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29
src/compiler/Result.go
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@ -4,11 +4,13 @@ import (
"bufio"
"io"
"os"
"runtime"
"git.akyoto.dev/cli/q/src/arch/x64"
"git.akyoto.dev/cli/q/src/asm"
"git.akyoto.dev/cli/q/src/core"
"git.akyoto.dev/cli/q/src/elf"
"git.akyoto.dev/cli/q/src/macho"
"git.akyoto.dev/cli/q/src/os/linux"
)
@ -31,13 +33,22 @@ func (r *Result) finalize() ([]byte, []byte) {
Data: make(map[string][]byte, r.DataCount),
}
sysExit := 0
switch runtime.GOOS {
case "linux":
sysExit = linux.Exit
case "darwin":
sysExit = 1 | 0x2000000
}
final.Call("main.main")
final.RegisterNumber(asm.MOVE, x64.SyscallInputRegisters[0], linux.Exit)
final.RegisterNumber(asm.MOVE, x64.SyscallInputRegisters[0], sysExit)
final.RegisterNumber(asm.MOVE, x64.SyscallInputRegisters[1], 0)
final.Syscall()
final.Label(asm.LABEL, "_crash")
final.RegisterNumber(asm.MOVE, x64.SyscallInputRegisters[0], linux.Exit)
final.RegisterNumber(asm.MOVE, x64.SyscallInputRegisters[0], sysExit)
final.RegisterNumber(asm.MOVE, x64.SyscallInputRegisters[1], 1)
final.Syscall()
@ -117,7 +128,17 @@ func (r *Result) WriteFile(path string) error {
// write writes an executable file to the given writer.
func write(writer io.Writer, code []byte, data []byte) error {
buffer := bufio.NewWriter(writer)
executable := elf.New(code, data)
executable.Write(buffer)
switch runtime.GOOS {
case "darwin":
exe := macho.New(code, data)
exe.Write(buffer)
case "linux":
exe := elf.New(code, data)
exe.Write(buffer)
default:
panic("unsupported platform")
}
return buffer.Flush()
}