ARM support

[TcM1911]

Support for processing ARM binaries.

[0xdevalias]

I believe the below is related to this issue (adding here particularly for context of error messages/etc since this issue didn't show up when I searched originally):

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$ /opt/homebrew/Cellar/redress/1.1.1/bin/redress info /opt/homebrew/Cellar/redress/1.1.1/bin/redress
panic: Unsupported architecture

goroutine 1 [running]:
github.com/goretk/gore.(*machoFile).getFileInfo(0x1400002c4a0)
	github.com/goretk/gore@v0.11.1/macho.go:117 +0xdc
github.com/goretk/gore.Open({0x16f1e6a84, 0x2e})
	github.com/goretk/gore@v0.11.1/file.go:86 +0x348
main.listInfo({0x16f1e6a84?, 0x0?})
	github.com/goretk/redress/info.go:50 +0x90
main.init.1.func1(0x140000e6e00?, {0x1400002c300?, 0x4?, 0x100e4f6df?})
	github.com/goretk/redress/info.go:25 +0x30
github.com/spf13/cobra.(*Command).execute(0x140000c4280, {0x1400002c2e0, 0x1, 0x1})
	github.com/spf13/cobra@v1.2.1/command.go:860 +0x53c
github.com/spf13/cobra.(*Command).ExecuteC(0x1010dd2c0)
	github.com/spf13/cobra@v1.2.1/command.go:974 +0x318
github.com/spf13/cobra.(*Command).Execute(...)
	github.com/spf13/cobra@v1.2.1/command.go:902
main.main()
	github.com/goretk/redress/main.go:25 +0x24

is this only for x86?

Originally posted by @chenrui333 in Homebrew/homebrew-core#155724 (comment)

---

That seems to be coming from the gore lib that redress depends on:

gore/macho.go

Lines 104 to 123 in 7856820

	func (m *machoFile) getFileInfo() *FileInfo {
	fi := &FileInfo{
	ByteOrder: m.file.ByteOrder,
	OS: "macOS",
	}
	switch m.file.Cpu {
	case macho.Cpu386:
	fi.WordSize = intSize32
	fi.Arch = Arch386
	case macho.CpuAmd64:
	fi.WordSize = intSize64
	fi.Arch = ArchAMD64
	case macho.CpuArm64:
	fi.WordSize = intSize64
	fi.Arch = ArchARM64
	default:
	panic("Unsupported architecture")
	}
	return fi
	}

---

What system were you trying to run it on?

Originally posted by @0xdevalias in Homebrew/homebrew-core#155724 (comment)

---

I am trying on ventura arm, if does not run for arm, then we probably need depends_on arch: :x86_64 as well as some upstream note on it

Originally posted by @chenrui333 in Homebrew/homebrew-core#155724 (comment)

[0xdevalias]

@TcM1911 I believe this may have been fixed by @derekparker in:

• Add support for MachO/ARM64 #72