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trace command

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This commit is contained in:
aarzilli
2015-06-28 17:00:56 +02:00
parent c267eda9ba
commit 3a96d8eed7
12 changed files with 334 additions and 94 deletions
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19
proc/stack.go
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@ -7,7 +7,7 @@ import (
// Takes an offset from RSP and returns the address of the
// instruction the currect function is going to return to.
func (thread *Thread) ReturnAddress() (uint64, error) {
locations, err := thread.Stacktrace(1)
_, locations, err := thread.Stacktrace(1)
if err != nil {
return 0, err
}
@ -16,25 +16,30 @@ func (thread *Thread) ReturnAddress() (uint64, error) {
// Returns the stack trace for thread
// Note that it doesn't include the current frame and the locations in the array are return addresses not call addresses
func (thread *Thread) Stacktrace(depth int) ([]Location, error) {
func (thread *Thread) Stacktrace(depth int) (*Location, []Location, error) {
loc, err := thread.Location()
if err != nil {
return nil, nil, err
}
regs, err := thread.Registers()
if err != nil {
return nil, err
return nil, nil, err
}
locations, err := thread.dbp.stacktrace(regs.PC(), regs.SP(), depth)
if err != nil {
return nil, err
return nil, nil, err
}
return locations, nil
return loc, locations, nil
}
// Returns the stack trace for a goroutine
// Note that it doesn't include the current frame and the locations in the array are return addresses not call addresses
func (dbp *Process) GoroutineStacktrace(g *G, depth int) ([]Location, error) {
func (dbp *Process) GoroutineStacktrace(g *G, depth int) (*Location, []Location, error) {
if g.thread != nil {
return g.thread.Stacktrace(depth)
}
return dbp.stacktrace(g.PC, g.SP, depth)
locs, err := dbp.stacktrace(g.PC, g.SP, depth)
return dbp.GoroutineLocation(g), locs, err
}
func (dbp *Process) GoroutineLocation(g *G) *Location {