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--
-- get the .so object names in a table
-- objload("elf_get_obj_names", "../bfd/test/test.so", "symbol_list")
--
-- get the .so object sizes in a table
-- objload("elf_get_obj_sizes", "../bfd/test/test.so", "symbol_list")
--
-- get the .so function names in a table
-- objload("elf_get_func_names", "../bfd/test/test.so", "symbol_list")
--
-- get the .so function code in a table of tables
-- objload("elf_get_func_code", "../bfd/test/test.so", "code_list")
--
--------------------------------------------------------------------------------------------------------------
local pack_name = ...
local Demo1 = {}
elf_file = "/home/bloodstalker/devi/hell2/bfd/test/test.so"
--elf_file = "/home/bloodstalker/devi/hell2/bfd/test/test.so"
--elf_file = "../bfd/test/test"
function Demo1.getGlobalTable()
local return_table = {}
local names = objload("load", "elf_get_obj_names", elf_file, "symbol_list")
local sizes = objload("load", "elf_get_obj_sizes", elf_file, "bytes")
for i=1,#names,1 do
return_table[names[i]] = sizes[i]
end
return return_table
end
function Demo1.printObjNames()
local c = objload("load", "elf_get_obj_names", elf_file, "symbol_list")
for k,v in ipairs(c) do
print(k,v)
end
end
function Demo1.printObjSizes()
local c = objload("load", "elf_get_obj_sizes", elf_file, "bytes")
for k,v in ipairs(c) do
print(k,v)
end
end
function Demo1.printFuncNames()
local c = objload("load", "elf_get_func_names", elf_file, "symbol_list")
for k,v in ipairs(c) do
print(k,v)
end
end
function Demo1.printFuncCode()
local c = objload("load", "elf_get_func_code", elf_file, "code_list")
for k,v in ipairs(c) do
print(k,v)
if #v ~= 0 then
for k1,v1 in ipairs(v) do
io.write(string.format('%02x', v1), " ")
end
io.write("\n")
end
end
end
function Demo1.findMain()
local c = objload("load", "elf_get_func_names", elf_file, "symbol_list")
for k,v in ipairs(c) do
if v == "main" then
io.write("main index is".." "..k.."\n")
return k
end
end
end
function Demo1.codeTables()
local return_table = {}
local func_name_table = objload("load", "elf_get_func_names", elf_file, "symbol_list")
local code_table = objload("load", "elf_get_func_code", elf_file, "code_list")
for i=1,#func_name_table,1 do
return_table[func_name_table[i]] = code_table[i]
end
return return_table
end
function Demo1.codeTableByName(name)
local return_table = {}
local func_name_table = objload("load", "elf_get_func_names", elf_file, "symbol_list")
local code_table = objload("load", "elf_get_func_code", elf_file, "code_list")
for k,v in ipairs(func_name_table) do
if v == name then
for k1, v1 in ipairs(code_table[k]) do
table.insert(return_table, string.format('%02x', v1))
end
return return_table
end
end
return nil
end
function Demo1.codeTableByName_number(name)
local return_table = {}
local func_name_table = objload("load", "elf_get_func_names", elf_file, "symbol_list")
local code_table = objload("load", "elf_get_func_code", elf_file, "code_list")
for k,v in ipairs(func_name_table) do
if v == name then
for k1, v1 in ipairs(code_table[k]) do
table.insert(return_table, v1)
end
return return_table
end
end
return nil
end
function Demo1.printFuncSizes()
local func_name_table = objload("load", "elf_get_func_names", elf_file, "symbol_list")
local code_table = objload("load", "elf_get_func_code", elf_file, "code_list")
local counter = 1
print("function sizes:")
for k, v in ipairs(code_table) do
print("code size for "..func_name_table[counter].." is".." "..#v)
counter = counter + 1
end
end
function Demo1.demo1()
pwd()
Demo1.printObjNames()
Demo1.printObjSizes()
Demo1.printFuncNames()
Demo1.printFuncCode()
Demo1.findMain()
local code_table = Demo1.codeTables()
print(code_table["'main'"])
for k,v in ipairs(code_table["'main'"]) do
io.write(string.format('%02x', v), " ")
end
io.write("\n")
local C_main_code = Demo1.codeTableByName("'main'")
for k, v in ipairs(C_main_code) do
io.write(v, " ")
end
io.write("\n")
local add2_code = Demo1.codeTableByName_number("'add2'")
local sub2_code = Demo1.codeTableByName_number("'sub2'")
local adddouble_code = Demo1.codeTableByName_number("'adddouble'")
local subdouble_code = Demo1.codeTableByName_number("'subdouble'")
local triple_code = Demo1.codeTableByName_number("'triple'")
local quad_code = Demo1.codeTableByName_number("'quad'")
local passthrough_code = Demo1.codeTableByName_number("'passthrough'")
Demo1.printFuncSizes()
print("passthrough_code: ")
for k,v in pairs(passthrough_code) do
io.write(v," ")
end
io.write("\n")
print("xsize = "..xsize())
xobjregister(add2_code, "add2")
xobjregister(sub2_code, "sub2")
xobjregister(adddouble_code, "adddouble")
xobjregister(subdouble_code, "subdouble")
xobjregister(triple_code, "triple")
xobjregister(quad_code, "quad")
xobjregister(passthrough_code, "passthrough")
print("xsize = "..xsize())
local x_list = xobjlist()
for k,v in pairs(x_list) do
print(k,v)
end
a=xcall(2,{"uint32","uint32"},"uint32",0, {30,20})
print("call add result", a)
a=xcall(2,{"uint32", "uint32"},"uint32",1, {30,20})
print("call sub result", a)
arg1 = 100
arg2 = 200
a=xcall(2,{"sint32", "sint32"},"sint32","sub2", {arg1,arg2})
print("xcall returned:",a)
if a ~= -100 then print("test failed") end
a=xcall(2,{"double", "double"},"double",2, {333.333,222.222})
print("xcall returned:",a)
if tostring(a) ~= tostring(555.555) then print("test failed"); os.exit(1) end
a=xcall(2,{"double", "double"},"double",3, {333.333,222.222})
print("xcall returned:",a)
if tostring(a) ~= tostring(111.111) then print("test failed"); os.exit(1) end
a=xcall(3,{"double", "double", "double"},"double",4, {333.333,222.222,111.111})
print("xcall returned:",a)
a=xcall(3,{"double", "double", "double"},"double","triple", {333.333,222.222,111.111})
print("xcall returned:",a)
if tostring(a) ~= tostring(666.666) then print("test failed"); os.exit(1) end
a=xcall(1,{"string"},"string","passthrough", {"i live!"})
print("xcall returned:",a)
if (a ~= "i live!") then print("test failed"); os.exit(1) end
-- nested call
--a=xcall(4,{"sint32", "sint32", "sint32", "sint32"},"sint32",5, {10,20,30,40})
--print("xcall returned:",a)
--if a ~= 100 then print("test failed") end
a = xobjlist()
print("the offset of quad and add2 is : ", a["quad"] - a["add2"])
mem_size = xmemusage()
print("memory used "..mem_size)
xclear()
mem_size = xmemusage()
print("memory used "..mem_size)
end
if type(package.loaded[pack_name]) ~= "userdata" then
Demo1.demo1()
else
return Demo1
end
--------------------------------------------------------------------------------------------------------------
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