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bugfix, Issue #163: offset of g struct in TLS picked based on the value of runtime.buildVersion and presence of compile units created by GNU AS, instead of being fixed to -16

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This commit is contained in:
aarzilli
2015-07-23 19:08:28 +02:00
parent efb5ef97c7
commit d0f3459efb
8 changed files with 203 additions and 23 deletions
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33
proc/variables.go
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@ -275,6 +275,27 @@ func (thread *Thread) PackageVariables() ([]*Variable, error) {
return vars, nil
}
func (thread *Thread) EvalPackageVariable(name string) (*Variable, error) {
reader := thread.dbp.DwarfReader()
for entry, err := reader.NextPackageVariable(); entry != nil; entry, err = reader.NextPackageVariable() {
if err != nil {
return nil, err
}
n, ok := entry.Val(dwarf.AttrName).(string)
if !ok {
continue
}
if n == name {
return thread.extractVariableFromEntry(entry)
}
}
return nil, fmt.Errorf("could not find symbol value for %s", name)
}
func (thread *Thread) evaluateStructMember(parentEntry *dwarf.Entry, rdr *reader.Reader, memberName string) (*Variable, error) {
parentAddr, err := thread.extractVariableDataAddress(parentEntry, rdr)
if err != nil {
@ -387,13 +408,13 @@ func (thread *Thread) executeStackProgram(instructions []byte) (int64, error) {
return 0, err
}
fde, err := thread.dbp.frameEntries.FDEForPC(regs.PC())
if err != nil {
return 0, err
}
var cfa int64 = 0
fctx := fde.EstablishFrame(regs.PC())
cfa := fctx.CFAOffset() + int64(regs.SP())
fde, err := thread.dbp.frameEntries.FDEForPC(regs.PC())
if err == nil {
fctx := fde.EstablishFrame(regs.PC())
cfa = fctx.CFAOffset() + int64(regs.SP())
}
address, err := op.ExecuteStackProgram(cfa, instructions)
if err != nil {
return 0, err