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Commit dda47b78 authored by Christopher Ferris's avatar Christopher Ferris
Browse files

Allow getting an uncached process map. 

(cherry picked from commit f02593b0)

Change-Id: I2012bf2dc553ebc663345b9eac6d794e80df9c00
parent 39a8ade7

include/backtrace/BacktraceMap.h

+4 −1
Original line number Diff line number Diff line
@@ -41,7 +41,10 @@ struct backtrace_map_t { 


class BacktraceMap {

public:

  static BacktraceMap* Create(pid_t pid);

  // If uncached is true, then parse the current process map as of the call.

  // Passing a map created with uncached set to true to Backtrace::Create()

  // is unsupported.

  static BacktraceMap* Create(pid_t pid, bool uncached = false);



  virtual ~BacktraceMap();

libbacktrace/UnwindMap.cpp

+6 −2
Original line number Diff line number Diff line
@@ -130,9 +130,13 @@ const backtrace_map_t* UnwindMapLocal::Find(uintptr_t addr) { 
//-------------------------------------------------------------------------

// BacktraceMap create function.

//-------------------------------------------------------------------------

BacktraceMap* BacktraceMap::Create(pid_t pid) {

BacktraceMap* BacktraceMap::Create(pid_t pid, bool uncached) {

  BacktraceMap* map;

  if (pid == getpid()) {



  if (uncached) {

    // Force use of the base class to parse the maps when this call is made.

    map = new BacktraceMap(pid);

  } else if (pid == getpid()) {

    map = new UnwindMapLocal();

  } else {

    map = new UnwindMap(pid);