commit c6c194ced095df5e777b8fa24527ebd29c8fef54
author Pavel Chupin <pavel.v.chupin@intel.com> Thu Nov 21 23:17:20 2013 +0400
committer Elliott Hughes <enh@google.com> Thu Jan 30 17:15:24 2014 -0800
tree e8c2872d11d30743d38f915b90ce394d2773ccf2
parent e97dad0d95ae1305686bf4294029da947fc2dcf2

LP64: Enable debuggerd/libbacktrace/libunwind.

Change-Id: I2e432839f86c33c2adbaac8cc12ca8961956044b
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>

libbacktrace/Android.mk

diff --git a/libbacktrace/Android.mk b/libbacktrace/Android.mk
old mode 100644
new mode 100755
index 17a807d..ee90f28
--- a/libbacktrace/Android.mk
+++ b/libbacktrace/Android.mk
@@ -23,7 +23,7 @@
 	liblog \
 
 # To enable using libunwind on each arch, add it to this list.
-libunwind_architectures := arm arm64 x86
+libunwind_architectures := arm arm64 x86 x86_64
 
 ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),$(libunwind_architectures)))
 

libbacktrace/BacktraceImpl.cpp

diff --git a/libbacktrace/BacktraceImpl.cpp b/libbacktrace/BacktraceImpl.cpp
index 8027d86..855810e 100644
--- a/libbacktrace/BacktraceImpl.cpp
+++ b/libbacktrace/BacktraceImpl.cpp
@@ -21,8 +21,6 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#include <inttypes.h>
-
 #include <string>
 
 #include <backtrace/Backtrace.h>
@@ -81,10 +79,10 @@
   return func_name;
 }
 
-bool Backtrace::VerifyReadWordArgs(uintptr_t ptr, uint32_t* out_value) {
-  if (ptr & 3) {
+bool Backtrace::VerifyReadWordArgs(uintptr_t ptr, word_t* out_value) {
+  if (ptr & (sizeof(word_t)-1)) {
     BACK_LOGW("invalid pointer %p", (void*)ptr);
-    *out_value = (uint32_t)-1;
+    *out_value = (word_t)-1;
     return false;
   }
   return true;
@@ -142,18 +140,18 @@
 BacktraceCurrent::~BacktraceCurrent() {
 }
 
-bool BacktraceCurrent::ReadWord(uintptr_t ptr, uint32_t* out_value) {
+bool BacktraceCurrent::ReadWord(uintptr_t ptr, word_t* out_value) {
   if (!VerifyReadWordArgs(ptr, out_value)) {
     return false;
   }
 
   const backtrace_map_t* map = FindMap(ptr);
   if (map && map->flags & PROT_READ) {
-    *out_value = *reinterpret_cast<uint32_t*>(ptr);
+    *out_value = *reinterpret_cast<word_t*>(ptr);
     return true;
   } else {
     BACK_LOGW("pointer %p not in a readable map", reinterpret_cast<void*>(ptr));
-    *out_value = static_cast<uint32_t>(-1);
+    *out_value = static_cast<word_t>(-1);
     return false;
   }
 }
@@ -170,7 +168,7 @@
 BacktracePtrace::~BacktracePtrace() {
 }
 
-bool BacktracePtrace::ReadWord(uintptr_t ptr, uint32_t* out_value) {
+bool BacktracePtrace::ReadWord(uintptr_t ptr, word_t* out_value) {
   if (!VerifyReadWordArgs(ptr, out_value)) {
     return false;
   }
@@ -183,7 +181,7 @@
   // To disambiguate -1 from a valid result, we clear errno beforehand.
   errno = 0;
   *out_value = ptrace(PTRACE_PEEKTEXT, Tid(), reinterpret_cast<void*>(ptr), NULL);
-  if (*out_value == static_cast<uint32_t>(-1) && errno) {
+  if (*out_value == static_cast<word_t>(-1) && errno) {
     BACK_LOGW("invalid pointer %p reading from tid %d, ptrace() strerror(errno)=%s",
               reinterpret_cast<void*>(ptr), Tid(), strerror(errno));
     return false;

libbacktrace/BacktraceImpl.h

diff --git a/libbacktrace/BacktraceImpl.h b/libbacktrace/BacktraceImpl.h
old mode 100644
new mode 100755
index af014d5..48dd11c
--- a/libbacktrace/BacktraceImpl.h
+++ b/libbacktrace/BacktraceImpl.h
@@ -61,7 +61,7 @@
   BacktraceCurrent(BacktraceImpl* impl, BacktraceMap* map);
   virtual ~BacktraceCurrent();
 
-  bool ReadWord(uintptr_t ptr, uint32_t* out_value);
+  bool ReadWord(uintptr_t ptr, word_t* out_value);
 };
 
 class BacktracePtrace : public Backtrace {
@@ -69,7 +69,7 @@
   BacktracePtrace(BacktraceImpl* impl, pid_t pid, pid_t tid, BacktraceMap* map);
   virtual ~BacktracePtrace();
 
-  bool ReadWord(uintptr_t ptr, uint32_t* out_value);
+  bool ReadWord(uintptr_t ptr, word_t* out_value);
 };
 
 Backtrace* CreateCurrentObj(BacktraceMap* map);

libbacktrace/UnwindCurrent.cpp

diff --git a/libbacktrace/UnwindCurrent.cpp b/libbacktrace/UnwindCurrent.cpp
old mode 100644
new mode 100755
index 461ed02..81e69bb
--- a/libbacktrace/UnwindCurrent.cpp
+++ b/libbacktrace/UnwindCurrent.cpp
@@ -16,6 +16,7 @@
 
 #define LOG_TAG "libbacktrace"
 
+#include <sys/ucontext.h>
 #include <sys/types.h>
 
 #include <backtrace/Backtrace.h>
@@ -27,8 +28,6 @@
 #include "UnwindCurrent.h"
 #include "UnwindMap.h"
 
-#include <ucontext.h>
-
 //-------------------------------------------------------------------------
 // UnwindCurrent functions.
 //-------------------------------------------------------------------------