49 lines
1.0 KiB
Go
49 lines
1.0 KiB
Go
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package addr2line
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import (
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"strconv"
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. "ios-wrapper/pkg/ios/macho"
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)
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// Try to get Image base of a DWARF binary
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// using __mh_execute_header symbol
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func TryGetImageBase(mc *MachoContext, symbols []*Symbol) uint64 {
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try := mc.ImageBase()
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if try != 0 {
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return try
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}
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for _, symbol := range symbols {
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if symbol.Name() == "__mh_execute_header" {
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return symbol.Address()
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}
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}
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return 0
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}
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// find the symbol name from dysymtab
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// the address given is somewhere in the function,
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// assuming that the address is sorted, we find the last symbol
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// has its address smaller than `tofind`
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// I'm not sure this would work always, ;)
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func FindSymbol(symbols []*Symbol, tofind uint64) string {
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var lastSymbol string = ""
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for _, symbol := range symbols {
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if symbol.Address() > tofind {
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return lastSymbol
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} else {
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lastSymbol = symbol.Name()
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}
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}
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return ""
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}
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func ParseAddressString(s string) (uint64, error) {
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s_, err := strconv.ParseInt(s, 0, 64)
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v := uint64(s_)
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if err != nil {
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return 0, err
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}
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return v, nil
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}
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