Improve printing of MachO load commands

Author: staticfloat

src/MachO/LoadCmds/DylibCmds.jl

@@ -44,6 +44,8 @@ struct MachOLoadDylibCmd{H <: MachOHandle} <: MachOLoadCmd{H}
     name::String
 end
 
+show(io::IO, lc::MachOLoadDylibCmd) = write(io, "LoadDylibCmd: \"$(dylib_name(lc))\"")
+
 
 """
     MachOIdDylibCmd
@@ -59,6 +61,7 @@ struct MachOIdDylibCmd{H <: MachOHandle} <: MachOLoadCmd{H}
     stub::MachODylibStub
     name::String
 end
+show(io::IO, lc::MachOIdDylibCmd) = write(io, "IdDylibCmd: \"$(dylib_name(lc))\"")
 
 """
     MachODylibCmd
@@ -134,6 +137,8 @@ struct MachORPathCmd{H <: MachOHandle} <: MachOLoadCmd{H}
     rpath::String
 end
 
+show(io::IO, lc::MachORPathCmd) = write(io, "RPathCmd: \"$(rpath(lc))\"")
+
 """
     MachOLoadCmd(oh::MachOHeader, CT::Type{MachORPathCmd}, header)
 
@@ -153,4 +158,4 @@ function MachOLoadCmd(oh::H, CT::Type{CTT}, header) where {CTT <: MachORPathCmd}
 end
 
 rpath(cmd::MachORPathCmd) = cmd.rpath
-@derefmethod rpath(cmd::MachOLoadCmdRef{H,MachORPathCmd{H}}) where {H <: MachOHandle}
+@derefmethod rpath(cmd::MachOLoadCmdRef{H,MachORPathCmd{H}}) where {H <: MachOHandle}

src/MachO/LoadCmds/SegmentCmds.jl

@@ -52,6 +52,9 @@ end
     flags::UInt32
 end
 
+show(io::IO, lc::MachOSegment32Cmd) = write(io, "Segment32Cmd \"$(segment_name(lc))\"")
+show(io::IO, lc::MachOSegment64Cmd) = write(io, "Segment64Cmd \"$(segment_name(lc))\"")
+
 segment_name(cmd::MachOSegmentCmd) = cmd.segname
 segment_offset(cmd::MachOSegmentCmd) = cmd.fileoff
 segment_file_size(cmd::MachOSegmentCmd) = cmd.filesize
@@ -62,4 +65,4 @@ segment_num_sections(cmd::MachOSegmentCmd) = cmd.nsects
 @derefmethod segment_offset(cmd::MachOLoadCmdRef{H,S}) where {H <: MachOHandle} where {S <: MachOSegmentCmd}
 @derefmethod segment_file_size(cmd::MachOLoadCmdRef{H,S}) where {H <: MachOHandle} where {S <: MachOSegmentCmd}
 @derefmethod segment_memory_size(cmd::MachOLoadCmdRef{H,S}) where {H <: MachOHandle} where {S <: MachOSegmentCmd}
-@derefmethod segment_num_sections(cmd::MachOLoadCmdRef{H,S}) where {H <: MachOHandle} where {S <: MachOSegmentCmd}
+@derefmethod segment_num_sections(cmd::MachOLoadCmdRef{H,S}) where {H <: MachOHandle} where {S <: MachOSegmentCmd}

src/MachO/LoadCmds/SymtabCmds.jl

@@ -4,6 +4,9 @@
     stroff::UInt32
     strsize::UInt32
 end
+
+show(io::IO, lc::MachOSymtabCmd) = write(io, "SymtabCmd")
+
 # Accessors for symbols info
 symtab_symbols_offset(cmd::MachOSymtabCmd) = cmd.symoff
 symtab_num_symbols(cmd::MachOSymtabCmd) = cmd.nsyms
@@ -43,4 +46,4 @@ end
     nextrel::UInt32
     locreloff::UInt32
     nlocrel::UInt32
-end
+end

src/MachO/MachOLoadCmd.jl

@@ -214,7 +214,7 @@ function show(io::IO, lcs::MachOLoadCmds)
     print(io, "MachO Load Commands")
     for lc in lcs
         print(io, "\n  ")
-        showcompact(io, lc)
+        show(io, lc)
     end
 end