A simple utility to read the contents of go object file.
Go 1.9 or 1.10
Note: the format of the go object file is not formalized. This tool may not work well if the format is updated in the future go releases.
go get github.com/ks888/goobj Here is the simple go program.
% cat helloworld.go package main import ( "fmt" ) func main() { fmt.Println("Hello, playground") } Compile it. It will generate helloworld.o file.
% go tool compile helloworld.go Now the readgoobj command prints all the defined symbols in the object file.
% readgoobj helloworld.o The list of defined symbols: Offset Size Type DupOK Local MakeTypeLink Name Version GoType 0x0 0x78 STEXT false false false "".main 0 0x97 0x5b STEXT false false false "".init 0 0x10d 0x11 SRODATA true true false go.string."Hello, playground" 0 0x11e 0x1d SDWARFINFO false false false go.info."".main 0 0x13b 0x0 SDWARFRANGE false false false go.range."".main 0 0x13b 0x1d SDWARFINFO false false false go.info."".init 0 0x158 0x0 SDWARFRANGE false false false go.range."".init 0 0x158 0x10 SRODATA false false false "".statictmp_0 0 type.string 0x168 0x1 SNOPTRBSS false false false "".initdone· 0 type.uint8 0x168 0x1 SRODATA true true false runtime.gcbits.01 0 0x169 0x10 SRODATA true false false type..namedata.*interface {}- 0 0x179 0x38 SRODATA true false true type.*interface {} 0 0x1b1 0x1 SRODATA true true false runtime.gcbits.03 0 0x1b2 0x50 SRODATA true false false type.interface {} 0 0x202 0x12 SRODATA true false false type..namedata.*[]interface {}- 0 0x214 0x38 SRODATA true false true type.*[]interface {} 0 0x24c 0x38 SRODATA true false true type.[]interface {} 0 0x284 0x13 SRODATA true false false type..namedata.*[1]interface {}- 0 0x297 0x38 SRODATA true false true type.*[1]interface {} 0 0x2cf 0x48 SRODATA true false true type.[1]interface {} 0 0x317 0x6 SRODATA true false false type..importpath.fmt. 0 0x31d 0x8 SRODATA true false false gclocals·69c1753bd5f81501d95132d08af04464 0 0x325 0xa SRODATA true false false gclocals·e226d4ae4a7cad8835311c6a4683c14f 0 0x32f 0x8 SRODATA true false false gclocals·33cdeccccebe80329f1fdbee7f5874cb 0