Merge changes from topic "uevent"

* changes:
  libcutils: Work around the lack of __mulodi4
  libcutils: Make uevent_kernel_* namespace-aware
diff --git a/adb/daemon/main.cpp b/adb/daemon/main.cpp
index 1c94298..3c27582 100644
--- a/adb/daemon/main.cpp
+++ b/adb/daemon/main.cpp
@@ -233,8 +233,8 @@
             adb_device_banner = optarg;
             break;
         case 'v':
-            printf("Android Debug Bridge Daemon version %d.%d.%d (%s)\n", ADB_VERSION_MAJOR,
-                   ADB_VERSION_MINOR, ADB_SERVER_VERSION, ADB_VERSION);
+            printf("Android Debug Bridge Daemon version %d.%d.%d\n", ADB_VERSION_MAJOR,
+                   ADB_VERSION_MINOR, ADB_SERVER_VERSION);
             return 0;
         default:
             // getopt already prints "adbd: invalid option -- %c" for us.
diff --git a/debuggerd/debuggerd_test.cpp b/debuggerd/debuggerd_test.cpp
index 45e768d..8d0c98b 100644
--- a/debuggerd/debuggerd_test.cpp
+++ b/debuggerd/debuggerd_test.cpp
@@ -16,6 +16,7 @@
 
 #include <err.h>
 #include <fcntl.h>
+#include <stdlib.h>
 #include <sys/capability.h>
 #include <sys/prctl.h>
 #include <sys/ptrace.h>
@@ -298,6 +299,26 @@
   ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0xdead)");
 }
 
+TEST_F(CrasherTest, LD_PRELOAD) {
+  int intercept_result;
+  unique_fd output_fd;
+  StartProcess([]() {
+    setenv("LD_PRELOAD", "nonexistent.so", 1);
+    *reinterpret_cast<volatile char*>(0xdead) = '1';
+  });
+
+  StartIntercept(&output_fd);
+  FinishCrasher();
+  AssertDeath(SIGSEGV);
+  FinishIntercept(&intercept_result);
+
+  ASSERT_EQ(1, intercept_result) << "tombstoned reported failure";
+
+  std::string result;
+  ConsumeFd(std::move(output_fd), &result);
+  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0xdead)");
+}
+
 TEST_F(CrasherTest, abort) {
   int intercept_result;
   unique_fd output_fd;
diff --git a/debuggerd/handler/debuggerd_handler.cpp b/debuggerd/handler/debuggerd_handler.cpp
index d41dc67..d6b6d58 100644
--- a/debuggerd/handler/debuggerd_handler.cpp
+++ b/debuggerd/handler/debuggerd_handler.cpp
@@ -330,8 +330,8 @@
     async_safe_format_buffer(debuggerd_dump_type, sizeof(debuggerd_dump_type), "%d",
                              get_dump_type(thread_info));
 
-    execl(CRASH_DUMP_PATH, CRASH_DUMP_NAME, main_tid, pseudothread_tid, debuggerd_dump_type,
-          nullptr);
+    execle(CRASH_DUMP_PATH, CRASH_DUMP_NAME, main_tid, pseudothread_tid, debuggerd_dump_type,
+           nullptr, nullptr);
 
     fatal_errno("exec failed");
   } else {
diff --git a/fastboot/Android.mk b/fastboot/Android.mk
index dd8bad9..bc88002 100644
--- a/fastboot/Android.mk
+++ b/fastboot/Android.mk
@@ -58,7 +58,6 @@
 
 LOCAL_STATIC_LIBRARIES := \
     libziparchive \
-    libext4_utils \
     libsparse \
     libutils \
     liblog \
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index c3b1bfb..40c18e0 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -1354,7 +1354,7 @@
 
 static unsigned fb_get_flash_block_size(Transport* transport, std::string name) {
     std::string sizeString;
-    if (!fb_getvar(transport, name.c_str(), &sizeString)) {
+    if (!fb_getvar(transport, name.c_str(), &sizeString) || sizeString.empty()) {
         /* This device does not report flash block sizes, so return 0 */
         return 0;
     }
@@ -1365,9 +1365,8 @@
         fprintf(stderr, "Couldn't parse %s '%s'.\n", name.c_str(), sizeString.c_str());
         return 0;
     }
-    if (size < 4096 || (size & (size - 1)) != 0) {
-        fprintf(stderr, "Invalid %s %u: must be a power of 2 and at least 4096.\n",
-                name.c_str(), size);
+    if ((size & (size - 1)) != 0) {
+        fprintf(stderr, "Invalid %s %u: must be a power of 2.\n", name.c_str(), size);
         return 0;
     }
     return size;
diff --git a/fastboot/fs.cpp b/fastboot/fs.cpp
index 709f061..2d77dd6 100644
--- a/fastboot/fs.cpp
+++ b/fastboot/fs.cpp
@@ -23,7 +23,6 @@
 #include <android-base/file.h>
 #include <android-base/stringprintf.h>
 #include <android-base/unique_fd.h>
-#include <ext4_utils/make_ext4fs.h>
 #include <sparse/sparse.h>
 
 using android::base::StringPrintf;
@@ -120,6 +119,8 @@
         int raid_stripe_width = eraseBlkSize / block_size;
         // stride should be the max of 8kb and logical block size
         if (logicalBlkSize != 0 && logicalBlkSize < 8192) raid_stride = 8192 / block_size;
+        // stripe width should be >= stride
+        if (raid_stripe_width < raid_stride) raid_stripe_width = raid_stride;
         ext_attr += StringPrintf(",stride=%d,stripe-width=%d", raid_stride, raid_stripe_width);
     }
     mke2fs_args.push_back("-E");
diff --git a/libbacktrace/UnwindStack.cpp b/libbacktrace/UnwindStack.cpp
index d17c211..3a38839 100644
--- a/libbacktrace/UnwindStack.cpp
+++ b/libbacktrace/UnwindStack.cpp
@@ -44,13 +44,13 @@
 #include "UnwindStackMap.h"
 
 bool Backtrace::Unwind(unwindstack::Regs* regs, BacktraceMap* back_map,
-                       std::vector<backtrace_frame_data_t>* frames, size_t num_ignore_frames) {
-  std::vector<std::string> skip_names{"libunwindstack.so", "libbacktrace.so"};
+                       std::vector<backtrace_frame_data_t>* frames, size_t num_ignore_frames,
+                       std::vector<std::string>* skip_names) {
   UnwindStackMap* stack_map = reinterpret_cast<UnwindStackMap*>(back_map);
   auto process_memory = stack_map->process_memory();
   unwindstack::Unwinder unwinder(MAX_BACKTRACE_FRAMES + num_ignore_frames, stack_map->stack_maps(),
                                  regs, stack_map->process_memory());
-  unwinder.Unwind(&skip_names, &stack_map->GetSuffixesToIgnore());
+  unwinder.Unwind(skip_names, &stack_map->GetSuffixesToIgnore());
 
   if (num_ignore_frames >= unwinder.NumFrames()) {
     frames->resize(0);
@@ -104,7 +104,8 @@
   }
 
   error_ = BACKTRACE_UNWIND_NO_ERROR;
-  return Backtrace::Unwind(regs.get(), GetMap(), &frames_, num_ignore_frames);
+  std::vector<std::string> skip_names{"libunwindstack.so", "libbacktrace.so"};
+  return Backtrace::Unwind(regs.get(), GetMap(), &frames_, num_ignore_frames, &skip_names);
 }
 
 UnwindStackPtrace::UnwindStackPtrace(pid_t pid, pid_t tid, BacktraceMap* map)
@@ -124,5 +125,5 @@
   }
 
   error_ = BACKTRACE_UNWIND_NO_ERROR;
-  return Backtrace::Unwind(regs.get(), GetMap(), &frames_, num_ignore_frames);
+  return Backtrace::Unwind(regs.get(), GetMap(), &frames_, num_ignore_frames, nullptr);
 }
diff --git a/libbacktrace/include/backtrace/Backtrace.h b/libbacktrace/include/backtrace/Backtrace.h
index 73a58b5..e073533 100644
--- a/libbacktrace/include/backtrace/Backtrace.h
+++ b/libbacktrace/include/backtrace/Backtrace.h
@@ -109,7 +109,8 @@
   virtual bool Unwind(size_t num_ignore_frames, ucontext_t* context = NULL) = 0;
 
   static bool Unwind(unwindstack::Regs* regs, BacktraceMap* back_map,
-                     std::vector<backtrace_frame_data_t>* frames, size_t num_ignore_frames);
+                     std::vector<backtrace_frame_data_t>* frames, size_t num_ignore_frames,
+                     std::vector<std::string>* skip_names);
 
   // Get the function name and offset into the function given the pc.
   // If the string is empty, then no valid function name was found,
diff --git a/libpixelflinger/Android.mk b/libpixelflinger/Android.mk
index 55891db..c7306cd 100644
--- a/libpixelflinger/Android.mk
+++ b/libpixelflinger/Android.mk
@@ -25,6 +25,8 @@
 	buffer.cpp
 
 PIXELFLINGER_CFLAGS := -fstrict-aliasing -fomit-frame-pointer
+PIXELFLINGER_CFLAGS += -Wall -Werror
+PIXELFLINGER_CFLAGS += -Wno-unused-function
 
 PIXELFLINGER_SRC_FILES_arm := \
 	codeflinger/ARMAssembler.cpp \
diff --git a/libpixelflinger/codeflinger/Arm64Assembler.cpp b/libpixelflinger/codeflinger/Arm64Assembler.cpp
index bff87bb..aebc129 100644
--- a/libpixelflinger/codeflinger/Arm64Assembler.cpp
+++ b/libpixelflinger/codeflinger/Arm64Assembler.cpp
@@ -151,11 +151,11 @@
 
 namespace android {
 
-static const char* shift_codes[] =
+static __unused const char* shift_codes[] =
 {
     "LSL", "LSR", "ASR", "ROR"
 };
-static const char *cc_codes[] =
+static __unused const char *cc_codes[] =
 {
     "EQ", "NE", "CS", "CC", "MI",
     "PL", "VS", "VC", "HI", "LS",
@@ -984,7 +984,7 @@
 // A64 instructions
 // ----------------------------------------------------------------------------
 
-static const char * dataTransferOpName[] =
+static __unused const char * dataTransferOpName[] =
 {
     "LDR","LDRB","LDRH","STR","STRB","STRH"
 };
diff --git a/libpixelflinger/codeflinger/GGLAssembler.cpp b/libpixelflinger/codeflinger/GGLAssembler.cpp
index 91fbd53..04e285d 100644
--- a/libpixelflinger/codeflinger/GGLAssembler.cpp
+++ b/libpixelflinger/codeflinger/GGLAssembler.cpp
@@ -94,8 +94,6 @@
 
 int GGLAssembler::scanline_core(const needs_t& needs, context_t const* c)
 {
-    int64_t duration = ggl_system_time();
-
     mBlendFactorCached = 0;
     mBlending = 0;
     mMasking = 0;
@@ -353,7 +351,6 @@
     fragment_parts_t& parts, const needs_t& needs)
 {
     Scratch scratches(registerFile());
-    int Rctx = mBuilderContext.Rctx;
 
     // compute count
     comment("compute ct (# of pixels to process)");
diff --git a/libpixelflinger/codeflinger/MIPS64Assembler.cpp b/libpixelflinger/codeflinger/MIPS64Assembler.cpp
index d5e4cea..d6d2156 100644
--- a/libpixelflinger/codeflinger/MIPS64Assembler.cpp
+++ b/libpixelflinger/codeflinger/MIPS64Assembler.cpp
@@ -39,6 +39,7 @@
 #include "mips64_disassem.h"
 
 #define NOT_IMPLEMENTED()  LOG_ALWAYS_FATAL("Arm instruction %s not yet implemented\n", __func__)
+#define __unused __attribute__((__unused__))
 
 // ----------------------------------------------------------------------------
 
@@ -146,7 +147,7 @@
     mMips->MOVE(R_v0, R_a0);    // move context * passed in a0 to v0 (arm r0)
 }
 
-void ArmToMips64Assembler::epilog(uint32_t touched)
+void ArmToMips64Assembler::epilog(uint32_t touched __unused)
 {
     mArmPC[mInum++] = pc();  // save starting PC for this instr
 
@@ -205,7 +206,7 @@
 
 // shifters...
 
-bool ArmToMips64Assembler::isValidImmediate(uint32_t immediate)
+bool ArmToMips64Assembler::isValidImmediate(uint32_t immediate __unused)
 {
     // for MIPS, any 32-bit immediate is OK
     return true;
@@ -225,13 +226,14 @@
     return AMODE_REG_IMM;
 }
 
-uint32_t ArmToMips64Assembler::reg_rrx(int Rm)
+uint32_t ArmToMips64Assembler::reg_rrx(int Rm __unused)
 {
     // reg_rrx mode is not used in the GLLAssember code at this time
     return AMODE_UNSUPPORTED;
 }
 
-uint32_t ArmToMips64Assembler::reg_reg(int Rm, int type, int Rs)
+uint32_t ArmToMips64Assembler::reg_reg(int Rm __unused, int type __unused,
+                                       int Rs __unused)
 {
     // reg_reg mode is not used in the GLLAssember code at this time
     return AMODE_UNSUPPORTED;
@@ -272,14 +274,15 @@
     return AMODE_REG_SCALE_PRE;
 }
 
-uint32_t ArmToMips64Assembler::reg_scale_post(int Rm, int type, uint32_t shift)
+uint32_t ArmToMips64Assembler::reg_scale_post(int Rm __unused, int type __unused,
+                                              uint32_t shift __unused)
 {
     LOG_ALWAYS_FATAL("adr mode reg_scale_post not yet implemented\n");
     return AMODE_UNSUPPORTED;
 }
 
 // LDRH/LDRSB/LDRSH/STRH (immediate and Rm can be negative, which indicate U=0)
-uint32_t ArmToMips64Assembler::immed8_pre(int32_t immed8, int W)
+uint32_t ArmToMips64Assembler::immed8_pre(int32_t immed8, int W __unused)
 {
     LOG_ALWAYS_FATAL("adr mode immed8_pre not yet implemented\n");
 
@@ -305,7 +308,7 @@
     return AMODE_REG_PRE;
 }
 
-uint32_t ArmToMips64Assembler::reg_post(int Rm)
+uint32_t ArmToMips64Assembler::reg_post(int Rm __unused)
 {
     LOG_ALWAYS_FATAL("adr mode reg_post not yet implemented\n");
     return AMODE_UNSUPPORTED;
@@ -320,12 +323,6 @@
 #pragma mark Data Processing...
 #endif
 
-
-static const char * const dpOpNames[] = {
-    "AND", "EOR", "SUB", "RSB", "ADD", "ADC", "SBC", "RSC",
-    "TST", "TEQ", "CMP", "CMN", "ORR", "MOV", "BIC", "MVN"
-};
-
 // check if the operand registers from a previous CMP or S-bit instruction
 // would be overwritten by this instruction. If so, move the value to a
 // safe register.
@@ -594,7 +591,7 @@
 #endif
 
 // multiply, accumulate
-void ArmToMips64Assembler::MLA(int cc, int s,
+void ArmToMips64Assembler::MLA(int cc __unused, int s,
         int Rd, int Rm, int Rs, int Rn) {
 
     //ALOGW("MLA");
@@ -608,7 +605,7 @@
     }
 }
 
-void ArmToMips64Assembler::MUL(int cc, int s,
+void ArmToMips64Assembler::MUL(int cc __unused, int s,
         int Rd, int Rm, int Rs) {
     mArmPC[mInum++] = pc();
     mMips->MUL(Rd, Rm, Rs);
@@ -618,7 +615,7 @@
     }
 }
 
-void ArmToMips64Assembler::UMULL(int cc, int s,
+void ArmToMips64Assembler::UMULL(int cc __unused, int s,
         int RdLo, int RdHi, int Rm, int Rs) {
     mArmPC[mInum++] = pc();
     mMips->MUH(RdHi, Rm, Rs);
@@ -631,8 +628,8 @@
     }
 }
 
-void ArmToMips64Assembler::UMUAL(int cc, int s,
-        int RdLo, int RdHi, int Rm, int Rs) {
+void ArmToMips64Assembler::UMUAL(int cc __unused, int s,
+        int RdLo __unused, int RdHi, int Rm __unused, int Rs __unused) {
     LOG_FATAL_IF(RdLo==Rm || RdHi==Rm || RdLo==RdHi,
                         "UMUAL(r%u,r%u,r%u,r%u)", RdLo,RdHi,Rm,Rs);
     // *mPC++ =    (cc<<28) | (1<<23) | (1<<21) | (s<<20) |
@@ -647,8 +644,8 @@
     }
 }
 
-void ArmToMips64Assembler::SMULL(int cc, int s,
-        int RdLo, int RdHi, int Rm, int Rs) {
+void ArmToMips64Assembler::SMULL(int cc __unused, int s,
+        int RdLo __unused, int RdHi, int Rm __unused, int Rs __unused) {
     LOG_FATAL_IF(RdLo==Rm || RdHi==Rm || RdLo==RdHi,
                         "SMULL(r%u,r%u,r%u,r%u)", RdLo,RdHi,Rm,Rs);
     // *mPC++ =    (cc<<28) | (1<<23) | (1<<22) | (s<<20) |
@@ -662,8 +659,8 @@
         LOG_ALWAYS_FATAL("Condition on SMULL must be on 64-bit result\n");
     }
 }
-void ArmToMips64Assembler::SMUAL(int cc, int s,
-        int RdLo, int RdHi, int Rm, int Rs) {
+void ArmToMips64Assembler::SMUAL(int cc __unused, int s,
+        int RdLo __unused, int RdHi, int Rm __unused, int Rs __unused) {
     LOG_FATAL_IF(RdLo==Rm || RdHi==Rm || RdLo==RdHi,
                         "SMUAL(r%u,r%u,r%u,r%u)", RdLo,RdHi,Rm,Rs);
     // *mPC++ =    (cc<<28) | (1<<23) | (1<<22) | (1<<21) | (s<<20) |
@@ -717,26 +714,26 @@
     }
 }
 
-void ArmToMips64Assembler::BL(int cc, const char* label)
+void ArmToMips64Assembler::BL(int cc __unused, const char* label __unused)
 {
     LOG_ALWAYS_FATAL("branch-and-link not supported yet\n");
     mArmPC[mInum++] = pc();
 }
 
 // no use for Branches with integer PC, but they're in the Interface class ....
-void ArmToMips64Assembler::B(int cc, uint32_t* to_pc)
+void ArmToMips64Assembler::B(int cc __unused, uint32_t* to_pc __unused)
 {
     LOG_ALWAYS_FATAL("branch to absolute PC not supported, use Label\n");
     mArmPC[mInum++] = pc();
 }
 
-void ArmToMips64Assembler::BL(int cc, uint32_t* to_pc)
+void ArmToMips64Assembler::BL(int cc __unused, uint32_t* to_pc __unused)
 {
     LOG_ALWAYS_FATAL("branch to absolute PC not supported, use Label\n");
     mArmPC[mInum++] = pc();
 }
 
-void ArmToMips64Assembler::BX(int cc, int Rn)
+void ArmToMips64Assembler::BX(int cc __unused, int Rn __unused)
 {
     LOG_ALWAYS_FATAL("branch to absolute PC not supported, use Label\n");
     mArmPC[mInum++] = pc();
@@ -750,7 +747,7 @@
 #endif
 
 // data transfer...
-void ArmToMips64Assembler::LDR(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMips64Assembler::LDR(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed12_pre(0)
@@ -784,7 +781,7 @@
     }
 }
 
-void ArmToMips64Assembler::LDRB(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMips64Assembler::LDRB(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed12_pre(0)
@@ -813,7 +810,7 @@
 
 }
 
-void ArmToMips64Assembler::STR(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMips64Assembler::STR(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed12_pre(0)
@@ -849,7 +846,7 @@
     }
 }
 
-void ArmToMips64Assembler::STRB(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMips64Assembler::STRB(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed12_pre(0)
@@ -877,7 +874,7 @@
     }
 }
 
-void ArmToMips64Assembler::LDRH(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMips64Assembler::LDRH(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed8_pre(0)
@@ -905,21 +902,23 @@
     }
 }
 
-void ArmToMips64Assembler::LDRSB(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMips64Assembler::LDRSB(int cc __unused, int Rd __unused,
+                                 int Rn __unused, uint32_t offset __unused)
 {
     mArmPC[mInum++] = pc();
     mMips->NOP2();
     NOT_IMPLEMENTED();
 }
 
-void ArmToMips64Assembler::LDRSH(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMips64Assembler::LDRSH(int cc __unused, int Rd __unused,
+                                 int Rn __unused, uint32_t offset __unused)
 {
     mArmPC[mInum++] = pc();
     mMips->NOP2();
     NOT_IMPLEMENTED();
 }
 
-void ArmToMips64Assembler::STRH(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMips64Assembler::STRH(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed8_pre(0)
@@ -955,8 +954,8 @@
 #endif
 
 // block data transfer...
-void ArmToMips64Assembler::LDM(int cc, int dir,
-        int Rn, int W, uint32_t reg_list)
+void ArmToMips64Assembler::LDM(int cc __unused, int dir __unused,
+        int Rn __unused, int W __unused, uint32_t reg_list __unused)
 {   //                        ED FD EA FA      IB IA DB DA
     // const uint8_t P[8] = { 1, 0, 1, 0,      1, 0, 1, 0 };
     // const uint8_t U[8] = { 1, 1, 0, 0,      1, 1, 0, 0 };
@@ -967,8 +966,8 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMips64Assembler::STM(int cc, int dir,
-        int Rn, int W, uint32_t reg_list)
+void ArmToMips64Assembler::STM(int cc __unused, int dir __unused,
+        int Rn __unused, int W __unused, uint32_t reg_list __unused)
 {   //                        FA EA FD ED      IB IA DB DA
     // const uint8_t P[8] = { 0, 1, 0, 1,      1, 0, 1, 0 };
     // const uint8_t U[8] = { 0, 0, 1, 1,      1, 1, 0, 0 };
@@ -987,21 +986,23 @@
 #endif
 
 // special...
-void ArmToMips64Assembler::SWP(int cc, int Rn, int Rd, int Rm) {
+void ArmToMips64Assembler::SWP(int cc __unused, int Rn __unused,
+                               int Rd __unused, int Rm __unused) {
     // *mPC++ = (cc<<28) | (2<<23) | (Rn<<16) | (Rd << 12) | 0x90 | Rm;
     mArmPC[mInum++] = pc();
     mMips->NOP2();
     NOT_IMPLEMENTED();
 }
 
-void ArmToMips64Assembler::SWPB(int cc, int Rn, int Rd, int Rm) {
+void ArmToMips64Assembler::SWPB(int cc __unused, int Rn __unused,
+                                int Rd __unused, int Rm __unused) {
     // *mPC++ = (cc<<28) | (2<<23) | (1<<22) | (Rn<<16) | (Rd << 12) | 0x90 | Rm;
     mArmPC[mInum++] = pc();
     mMips->NOP2();
     NOT_IMPLEMENTED();
 }
 
-void ArmToMips64Assembler::SWI(int cc, uint32_t comment) {
+void ArmToMips64Assembler::SWI(int cc __unused, uint32_t comment __unused) {
     // *mPC++ = (cc<<28) | (0xF<<24) | comment;
     mArmPC[mInum++] = pc();
     mMips->NOP2();
@@ -1015,7 +1016,7 @@
 #endif
 
 // DSP instructions...
-void ArmToMips64Assembler::PLD(int Rn, uint32_t offset) {
+void ArmToMips64Assembler::PLD(int Rn __unused, uint32_t offset) {
     LOG_ALWAYS_FATAL_IF(!((offset&(1<<24)) && !(offset&(1<<21))),
                         "PLD only P=1, W=0");
     // *mPC++ = 0xF550F000 | (Rn<<16) | offset;
@@ -1024,13 +1025,14 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMips64Assembler::CLZ(int cc, int Rd, int Rm)
+void ArmToMips64Assembler::CLZ(int cc __unused, int Rd, int Rm)
 {
     mArmPC[mInum++] = pc();
     mMips->CLZ(Rd, Rm);
 }
 
-void ArmToMips64Assembler::QADD(int cc,  int Rd, int Rm, int Rn)
+void ArmToMips64Assembler::QADD(int cc __unused, int Rd __unused,
+                                int Rm __unused, int Rn __unused)
 {
     // *mPC++ = (cc<<28) | 0x1000050 | (Rn<<16) | (Rd<<12) | Rm;
     mArmPC[mInum++] = pc();
@@ -1038,7 +1040,8 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMips64Assembler::QDADD(int cc,  int Rd, int Rm, int Rn)
+void ArmToMips64Assembler::QDADD(int cc __unused, int Rd __unused,
+                                 int Rm __unused, int Rn __unused)
 {
     // *mPC++ = (cc<<28) | 0x1400050 | (Rn<<16) | (Rd<<12) | Rm;
     mArmPC[mInum++] = pc();
@@ -1046,7 +1049,8 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMips64Assembler::QSUB(int cc,  int Rd, int Rm, int Rn)
+void ArmToMips64Assembler::QSUB(int cc __unused, int Rd __unused,
+                                int Rm __unused, int Rn __unused)
 {
     // *mPC++ = (cc<<28) | 0x1200050 | (Rn<<16) | (Rd<<12) | Rm;
     mArmPC[mInum++] = pc();
@@ -1054,7 +1058,8 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMips64Assembler::QDSUB(int cc,  int Rd, int Rm, int Rn)
+void ArmToMips64Assembler::QDSUB(int cc __unused, int Rd __unused,
+                                 int Rm __unused, int Rn __unused)
 {
     // *mPC++ = (cc<<28) | 0x1600050 | (Rn<<16) | (Rd<<12) | Rm;
     mArmPC[mInum++] = pc();
@@ -1063,7 +1068,7 @@
 }
 
 // 16 x 16 signed multiply (like SMLAxx without the accumulate)
-void ArmToMips64Assembler::SMUL(int cc, int xy,
+void ArmToMips64Assembler::SMUL(int cc __unused, int xy,
                 int Rd, int Rm, int Rs)
 {
     mArmPC[mInum++] = pc();
@@ -1092,7 +1097,7 @@
 }
 
 // signed 32b x 16b multiple, save top 32-bits of 48-bit result
-void ArmToMips64Assembler::SMULW(int cc, int y,
+void ArmToMips64Assembler::SMULW(int cc __unused, int y,
                 int Rd, int Rm, int Rs)
 {
     mArmPC[mInum++] = pc();
@@ -1111,7 +1116,7 @@
 }
 
 // 16 x 16 signed multiply, accumulate: Rd = Rm{16} * Rs{16} + Rn
-void ArmToMips64Assembler::SMLA(int cc, int xy,
+void ArmToMips64Assembler::SMLA(int cc __unused, int xy,
                 int Rd, int Rm, int Rs, int Rn)
 {
     mArmPC[mInum++] = pc();
@@ -1141,8 +1146,9 @@
     mMips->ADDU(Rd, R_at, Rn);
 }
 
-void ArmToMips64Assembler::SMLAL(int cc, int xy,
-                int RdHi, int RdLo, int Rs, int Rm)
+void ArmToMips64Assembler::SMLAL(int cc __unused, int xy __unused,
+                                 int RdHi __unused, int RdLo __unused,
+                                 int Rs __unused, int Rm __unused)
 {
     // *mPC++ = (cc<<28) | 0x1400080 | (RdHi<<16) | (RdLo<<12) | (Rs<<8) | (xy<<4) | Rm;
     mArmPC[mInum++] = pc();
@@ -1150,8 +1156,9 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMips64Assembler::SMLAW(int cc, int y,
-                int Rd, int Rm, int Rs, int Rn)
+void ArmToMips64Assembler::SMLAW(int cc __unused, int y __unused,
+                                 int Rd __unused, int Rm __unused,
+                                 int Rs __unused, int Rn __unused)
 {
     // *mPC++ = (cc<<28) | 0x1200080 | (Rd<<16) | (Rn<<12) | (Rs<<8) | (y<<4) | Rm;
     mArmPC[mInum++] = pc();
@@ -1160,7 +1167,7 @@
 }
 
 // used by ARMv6 version of GGLAssembler::filter32
-void ArmToMips64Assembler::UXTB16(int cc, int Rd, int Rm, int rotate)
+void ArmToMips64Assembler::UXTB16(int cc __unused, int Rd, int Rm, int rotate)
 {
     mArmPC[mInum++] = pc();
 
@@ -1173,7 +1180,8 @@
     mMips->AND(Rd, R_at2, R_at);
 }
 
-void ArmToMips64Assembler::UBFX(int cc, int Rd, int Rn, int lsb, int width)
+void ArmToMips64Assembler::UBFX(int cc __unused, int Rd __unused, int Rn __unused,
+                                int lsb __unused, int width __unused)
 {
      /* Placeholder for UBFX */
      mArmPC[mInum++] = pc();
@@ -1202,7 +1210,8 @@
     dataProcessing(opSUB64, cc, s, Rd, Rn, Op2);
 }
 
-void ArmToMips64Assembler::ADDR_LDR(int cc, int Rd, int Rn, uint32_t offset) {
+void ArmToMips64Assembler::ADDR_LDR(int cc __unused, int Rd,
+                                    int Rn, uint32_t offset) {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed12_pre(0)
     if (offset > AMODE_UNSUPPORTED) offset = 0;
@@ -1235,7 +1244,8 @@
     }
 }
 
-void ArmToMips64Assembler::ADDR_STR(int cc, int Rd, int Rn, uint32_t offset) {
+void ArmToMips64Assembler::ADDR_STR(int cc __unused, int Rd,
+                                    int Rn, uint32_t offset) {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed12_pre(0)
     if (offset > AMODE_UNSUPPORTED) offset = 0;
@@ -1290,14 +1300,12 @@
 */
 
 MIPS64Assembler::MIPS64Assembler(const sp<Assembly>& assembly, ArmToMips64Assembler *parent)
-    : mParent(parent),
-    MIPSAssembler::MIPSAssembler(assembly, NULL)
+    : MIPSAssembler::MIPSAssembler(assembly, NULL), mParent(parent)
 {
 }
 
 MIPS64Assembler::MIPS64Assembler(void* assembly, ArmToMips64Assembler *parent)
-    : mParent(parent),
-    MIPSAssembler::MIPSAssembler(assembly)
+    : MIPSAssembler::MIPSAssembler(assembly), mParent(parent)
 {
 }
 
@@ -1319,7 +1327,7 @@
 }
 
 
-void MIPS64Assembler::disassemble(const char* name)
+void MIPS64Assembler::disassemble(const char* name __unused)
 {
     char di_buf[140];
 
@@ -1334,11 +1342,6 @@
         }
     }
 
-    // iArm is an index to Arm instructions 1...n for this assembly sequence
-    // mArmPC[iArm] holds the value of the Mips-PC for the first MIPS
-    // instruction corresponding to that Arm instruction number
-
-    int iArm = 0;
     size_t count = pc()-base();
     uint32_t* mipsPC = base();
 
diff --git a/libpixelflinger/codeflinger/MIPSAssembler.cpp b/libpixelflinger/codeflinger/MIPSAssembler.cpp
index 865a568..039a725 100644
--- a/libpixelflinger/codeflinger/MIPSAssembler.cpp
+++ b/libpixelflinger/codeflinger/MIPSAssembler.cpp
@@ -51,6 +51,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <inttypes.h>
 
 #include <cutils/properties.h>
 #include <log/log.h>
@@ -60,6 +61,8 @@
 #include "MIPSAssembler.h"
 #include "mips_disassem.h"
 
+#define __unused __attribute__((__unused__))
+
 // Choose MIPS arch variant following gcc flags
 #if defined(__mips__) && __mips==32 && __mips_isa_rev>=2
 #define mips32r2 1
@@ -167,7 +170,7 @@
     mMips->MOVE(R_v0, R_a0);    // move context * passed in a0 to v0 (arm r0)
 }
 
-void ArmToMipsAssembler::epilog(uint32_t touched)
+void ArmToMipsAssembler::epilog(uint32_t touched __unused)
 {
     mArmPC[mInum++] = pc();  // save starting PC for this instr
 
@@ -213,7 +216,7 @@
 
 // shifters...
 
-bool ArmToMipsAssembler::isValidImmediate(uint32_t immediate)
+bool ArmToMipsAssembler::isValidImmediate(uint32_t immediate __unused)
 {
     // for MIPS, any 32-bit immediate is OK
     return true;
@@ -234,13 +237,14 @@
     return AMODE_REG_IMM;
 }
 
-uint32_t ArmToMipsAssembler::reg_rrx(int Rm)
+uint32_t ArmToMipsAssembler::reg_rrx(int Rm __unused)
 {
     // reg_rrx mode is not used in the GLLAssember code at this time
     return AMODE_UNSUPPORTED;
 }
 
-uint32_t ArmToMipsAssembler::reg_reg(int Rm, int type, int Rs)
+uint32_t ArmToMipsAssembler::reg_reg(int Rm __unused, int type __unused,
+                                     int Rs __unused)
 {
     // reg_reg mode is not used in the GLLAssember code at this time
     return AMODE_UNSUPPORTED;
@@ -281,14 +285,15 @@
     return AMODE_REG_SCALE_PRE;
 }
 
-uint32_t ArmToMipsAssembler::reg_scale_post(int Rm, int type, uint32_t shift)
+uint32_t ArmToMipsAssembler::reg_scale_post(int Rm __unused, int type __unused,
+                                            uint32_t shift __unused)
 {
     LOG_ALWAYS_FATAL("adr mode reg_scale_post not yet implemented\n");
     return AMODE_UNSUPPORTED;
 }
 
 // LDRH/LDRSB/LDRSH/STRH (immediate and Rm can be negative, which indicate U=0)
-uint32_t ArmToMipsAssembler::immed8_pre(int32_t immed8, int W)
+uint32_t ArmToMipsAssembler::immed8_pre(int32_t immed8, int W __unused)
 {
     // uint32_t offset = abs(immed8);
 
@@ -318,7 +323,7 @@
     return AMODE_REG_PRE;
 }
 
-uint32_t ArmToMipsAssembler::reg_post(int Rm)
+uint32_t ArmToMipsAssembler::reg_post(int Rm __unused)
 {
     LOG_ALWAYS_FATAL("adr mode reg_post not yet implemented\n");
     return AMODE_UNSUPPORTED;
@@ -333,12 +338,6 @@
 #pragma mark Data Processing...
 #endif
 
-
-static const char * const dpOpNames[] = {
-    "AND", "EOR", "SUB", "RSB", "ADD", "ADC", "SBC", "RSC",
-    "TST", "TEQ", "CMP", "CMN", "ORR", "MOV", "BIC", "MVN"
-};
-
 // check if the operand registers from a previous CMP or S-bit instruction
 // would be overwritten by this instruction. If so, move the value to a
 // safe register.
@@ -605,7 +604,7 @@
 #endif
 
 // multiply, accumulate
-void ArmToMipsAssembler::MLA(int cc, int s,
+void ArmToMipsAssembler::MLA(int cc __unused, int s,
         int Rd, int Rm, int Rs, int Rn) {
 
     mArmPC[mInum++] = pc();  // save starting PC for this instr
@@ -618,7 +617,7 @@
     }
 }
 
-void ArmToMipsAssembler::MUL(int cc, int s,
+void ArmToMipsAssembler::MUL(int cc __unused, int s,
         int Rd, int Rm, int Rs) {
     mArmPC[mInum++] = pc();
     mMips->MUL(Rd, Rm, Rs);
@@ -628,7 +627,7 @@
     }
 }
 
-void ArmToMipsAssembler::UMULL(int cc, int s,
+void ArmToMipsAssembler::UMULL(int cc __unused, int s,
         int RdLo, int RdHi, int Rm, int Rs) {
     mArmPC[mInum++] = pc();
     mMips->MULT(Rm, Rs);
@@ -641,8 +640,8 @@
     }
 }
 
-void ArmToMipsAssembler::UMUAL(int cc, int s,
-        int RdLo, int RdHi, int Rm, int Rs) {
+void ArmToMipsAssembler::UMUAL(int cc __unused, int s,
+        int RdLo __unused, int RdHi, int Rm __unused, int Rs __unused) {
     LOG_FATAL_IF(RdLo==Rm || RdHi==Rm || RdLo==RdHi,
                         "UMUAL(r%u,r%u,r%u,r%u)", RdLo,RdHi,Rm,Rs);
     // *mPC++ =    (cc<<28) | (1<<23) | (1<<21) | (s<<20) |
@@ -657,8 +656,8 @@
     }
 }
 
-void ArmToMipsAssembler::SMULL(int cc, int s,
-        int RdLo, int RdHi, int Rm, int Rs) {
+void ArmToMipsAssembler::SMULL(int cc __unused, int s,
+        int RdLo __unused, int RdHi, int Rm __unused, int Rs __unused) {
     LOG_FATAL_IF(RdLo==Rm || RdHi==Rm || RdLo==RdHi,
                         "SMULL(r%u,r%u,r%u,r%u)", RdLo,RdHi,Rm,Rs);
     // *mPC++ =    (cc<<28) | (1<<23) | (1<<22) | (s<<20) |
@@ -672,8 +671,8 @@
         LOG_ALWAYS_FATAL("Condition on SMULL must be on 64-bit result\n");
     }
 }
-void ArmToMipsAssembler::SMUAL(int cc, int s,
-        int RdLo, int RdHi, int Rm, int Rs) {
+void ArmToMipsAssembler::SMUAL(int cc __unused, int s,
+        int RdLo __unused, int RdHi, int Rm __unused, int Rs __unused) {
     LOG_FATAL_IF(RdLo==Rm || RdHi==Rm || RdLo==RdHi,
                         "SMUAL(r%u,r%u,r%u,r%u)", RdLo,RdHi,Rm,Rs);
     // *mPC++ =    (cc<<28) | (1<<23) | (1<<22) | (1<<21) | (s<<20) |
@@ -727,26 +726,26 @@
     }
 }
 
-void ArmToMipsAssembler::BL(int cc, const char* label)
+void ArmToMipsAssembler::BL(int cc __unused, const char* label __unused)
 {
     LOG_ALWAYS_FATAL("branch-and-link not supported yet\n");
     mArmPC[mInum++] = pc();
 }
 
 // no use for Branches with integer PC, but they're in the Interface class ....
-void ArmToMipsAssembler::B(int cc, uint32_t* to_pc)
+void ArmToMipsAssembler::B(int cc __unused, uint32_t* to_pc __unused)
 {
     LOG_ALWAYS_FATAL("branch to absolute PC not supported, use Label\n");
     mArmPC[mInum++] = pc();
 }
 
-void ArmToMipsAssembler::BL(int cc, uint32_t* to_pc)
+void ArmToMipsAssembler::BL(int cc __unused, uint32_t* to_pc __unused)
 {
     LOG_ALWAYS_FATAL("branch to absolute PC not supported, use Label\n");
     mArmPC[mInum++] = pc();
 }
 
-void ArmToMipsAssembler::BX(int cc, int Rn)
+void ArmToMipsAssembler::BX(int cc __unused, int Rn __unused)
 {
     LOG_ALWAYS_FATAL("branch to absolute PC not supported, use Label\n");
     mArmPC[mInum++] = pc();
@@ -760,7 +759,7 @@
 #endif
 
 // data transfer...
-void ArmToMipsAssembler::LDR(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMipsAssembler::LDR(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed12_pre(0)
@@ -794,7 +793,7 @@
     }
 }
 
-void ArmToMipsAssembler::LDRB(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMipsAssembler::LDRB(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed12_pre(0)
@@ -823,7 +822,7 @@
 
 }
 
-void ArmToMipsAssembler::STR(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMipsAssembler::STR(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed12_pre(0)
@@ -859,7 +858,7 @@
     }
 }
 
-void ArmToMipsAssembler::STRB(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMipsAssembler::STRB(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed12_pre(0)
@@ -887,7 +886,7 @@
     }
 }
 
-void ArmToMipsAssembler::LDRH(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMipsAssembler::LDRH(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed8_pre(0)
@@ -915,21 +914,23 @@
     }
 }
 
-void ArmToMipsAssembler::LDRSB(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMipsAssembler::LDRSB(int cc __unused, int Rd __unused,
+                               int Rn __unused, uint32_t offset __unused)
 {
     mArmPC[mInum++] = pc();
     mMips->NOP2();
     NOT_IMPLEMENTED();
 }
 
-void ArmToMipsAssembler::LDRSH(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMipsAssembler::LDRSH(int cc __unused, int Rd __unused,
+                               int Rn __unused, uint32_t offset __unused)
 {
     mArmPC[mInum++] = pc();
     mMips->NOP2();
     NOT_IMPLEMENTED();
 }
 
-void ArmToMipsAssembler::STRH(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToMipsAssembler::STRH(int cc __unused, int Rd, int Rn, uint32_t offset)
 {
     mArmPC[mInum++] = pc();
     // work-around for ARM default address mode of immed8_pre(0)
@@ -965,8 +966,8 @@
 #endif
 
 // block data transfer...
-void ArmToMipsAssembler::LDM(int cc, int dir,
-        int Rn, int W, uint32_t reg_list)
+void ArmToMipsAssembler::LDM(int cc __unused, int dir __unused,
+        int Rn __unused, int W __unused, uint32_t reg_list __unused)
 {   //                        ED FD EA FA      IB IA DB DA
     // const uint8_t P[8] = { 1, 0, 1, 0,      1, 0, 1, 0 };
     // const uint8_t U[8] = { 1, 1, 0, 0,      1, 1, 0, 0 };
@@ -977,8 +978,8 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMipsAssembler::STM(int cc, int dir,
-        int Rn, int W, uint32_t reg_list)
+void ArmToMipsAssembler::STM(int cc __unused, int dir __unused,
+        int Rn __unused, int W __unused, uint32_t reg_list __unused)
 {   //                        FA EA FD ED      IB IA DB DA
     // const uint8_t P[8] = { 0, 1, 0, 1,      1, 0, 1, 0 };
     // const uint8_t U[8] = { 0, 0, 1, 1,      1, 1, 0, 0 };
@@ -997,21 +998,23 @@
 #endif
 
 // special...
-void ArmToMipsAssembler::SWP(int cc, int Rn, int Rd, int Rm) {
+void ArmToMipsAssembler::SWP(int cc __unused, int Rn __unused,
+                             int Rd __unused, int Rm __unused) {
     // *mPC++ = (cc<<28) | (2<<23) | (Rn<<16) | (Rd << 12) | 0x90 | Rm;
     mArmPC[mInum++] = pc();
     mMips->NOP2();
     NOT_IMPLEMENTED();
 }
 
-void ArmToMipsAssembler::SWPB(int cc, int Rn, int Rd, int Rm) {
+void ArmToMipsAssembler::SWPB(int cc __unused, int Rn __unused,
+                              int Rd __unused, int Rm __unused) {
     // *mPC++ = (cc<<28) | (2<<23) | (1<<22) | (Rn<<16) | (Rd << 12) | 0x90 | Rm;
     mArmPC[mInum++] = pc();
     mMips->NOP2();
     NOT_IMPLEMENTED();
 }
 
-void ArmToMipsAssembler::SWI(int cc, uint32_t comment) {
+void ArmToMipsAssembler::SWI(int cc __unused, uint32_t comment __unused) {
     // *mPC++ = (cc<<28) | (0xF<<24) | comment;
     mArmPC[mInum++] = pc();
     mMips->NOP2();
@@ -1025,7 +1028,7 @@
 #endif
 
 // DSP instructions...
-void ArmToMipsAssembler::PLD(int Rn, uint32_t offset) {
+void ArmToMipsAssembler::PLD(int Rn __unused, uint32_t offset) {
     LOG_ALWAYS_FATAL_IF(!((offset&(1<<24)) && !(offset&(1<<21))),
                         "PLD only P=1, W=0");
     // *mPC++ = 0xF550F000 | (Rn<<16) | offset;
@@ -1034,13 +1037,14 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMipsAssembler::CLZ(int cc, int Rd, int Rm)
+void ArmToMipsAssembler::CLZ(int cc __unused, int Rd, int Rm)
 {
     mArmPC[mInum++] = pc();
     mMips->CLZ(Rd, Rm);
 }
 
-void ArmToMipsAssembler::QADD(int cc,  int Rd, int Rm, int Rn)
+void ArmToMipsAssembler::QADD(int cc __unused,  int Rd __unused,
+                              int Rm __unused, int Rn __unused)
 {
     // *mPC++ = (cc<<28) | 0x1000050 | (Rn<<16) | (Rd<<12) | Rm;
     mArmPC[mInum++] = pc();
@@ -1048,7 +1052,8 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMipsAssembler::QDADD(int cc,  int Rd, int Rm, int Rn)
+void ArmToMipsAssembler::QDADD(int cc __unused,  int Rd __unused,
+                               int Rm __unused, int Rn __unused)
 {
     // *mPC++ = (cc<<28) | 0x1400050 | (Rn<<16) | (Rd<<12) | Rm;
     mArmPC[mInum++] = pc();
@@ -1056,7 +1061,8 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMipsAssembler::QSUB(int cc,  int Rd, int Rm, int Rn)
+void ArmToMipsAssembler::QSUB(int cc __unused,  int Rd __unused,
+                              int Rm __unused, int Rn __unused)
 {
     // *mPC++ = (cc<<28) | 0x1200050 | (Rn<<16) | (Rd<<12) | Rm;
     mArmPC[mInum++] = pc();
@@ -1064,7 +1070,8 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMipsAssembler::QDSUB(int cc,  int Rd, int Rm, int Rn)
+void ArmToMipsAssembler::QDSUB(int cc __unused,  int Rd __unused,
+                               int Rm __unused, int Rn __unused)
 {
     // *mPC++ = (cc<<28) | 0x1600050 | (Rn<<16) | (Rd<<12) | Rm;
     mArmPC[mInum++] = pc();
@@ -1073,7 +1080,7 @@
 }
 
 // 16 x 16 signed multiply (like SMLAxx without the accumulate)
-void ArmToMipsAssembler::SMUL(int cc, int xy,
+void ArmToMipsAssembler::SMUL(int cc __unused, int xy,
                 int Rd, int Rm, int Rs)
 {
     mArmPC[mInum++] = pc();
@@ -1112,7 +1119,7 @@
 }
 
 // signed 32b x 16b multiple, save top 32-bits of 48-bit result
-void ArmToMipsAssembler::SMULW(int cc, int y,
+void ArmToMipsAssembler::SMULW(int cc __unused, int y,
                 int Rd, int Rm, int Rs)
 {
     mArmPC[mInum++] = pc();
@@ -1132,7 +1139,7 @@
 }
 
 // 16 x 16 signed multiply, accumulate: Rd = Rm{16} * Rs{16} + Rn
-void ArmToMipsAssembler::SMLA(int cc, int xy,
+void ArmToMipsAssembler::SMLA(int cc __unused, int xy,
                 int Rd, int Rm, int Rs, int Rn)
 {
     mArmPC[mInum++] = pc();
@@ -1172,8 +1179,9 @@
     mMips->ADDU(Rd, R_at, Rn);
 }
 
-void ArmToMipsAssembler::SMLAL(int cc, int xy,
-                int RdHi, int RdLo, int Rs, int Rm)
+void ArmToMipsAssembler::SMLAL(int cc __unused, int xy __unused,
+                               int RdHi __unused, int RdLo __unused,
+                               int Rs __unused, int Rm __unused)
 {
     // *mPC++ = (cc<<28) | 0x1400080 | (RdHi<<16) | (RdLo<<12) | (Rs<<8) | (xy<<4) | Rm;
     mArmPC[mInum++] = pc();
@@ -1181,8 +1189,9 @@
     NOT_IMPLEMENTED();
 }
 
-void ArmToMipsAssembler::SMLAW(int cc, int y,
-                int Rd, int Rm, int Rs, int Rn)
+void ArmToMipsAssembler::SMLAW(int cc __unused, int y __unused,
+                               int Rd __unused, int Rm __unused,
+                               int Rs __unused, int Rn __unused)
 {
     // *mPC++ = (cc<<28) | 0x1200080 | (Rd<<16) | (Rn<<12) | (Rs<<8) | (y<<4) | Rm;
     mArmPC[mInum++] = pc();
@@ -1191,7 +1200,7 @@
 }
 
 // used by ARMv6 version of GGLAssembler::filter32
-void ArmToMipsAssembler::UXTB16(int cc, int Rd, int Rm, int rotate)
+void ArmToMipsAssembler::UXTB16(int cc __unused, int Rd, int Rm, int rotate)
 {
     mArmPC[mInum++] = pc();
 
@@ -1202,7 +1211,9 @@
     mMips->AND(Rd, Rm, 0x00FF00FF);
 }
 
-void ArmToMipsAssembler::UBFX(int cc, int Rd, int Rn, int lsb, int width)
+void ArmToMipsAssembler::UBFX(int cc __unused, int Rd __unused,
+                              int Rn __unused, int lsb __unused,
+                              int width __unused)
 {
      /* Placeholder for UBFX */
      mArmPC[mInum++] = pc();
@@ -1339,11 +1350,6 @@
         }
     }
 
-    // iArm is an index to Arm instructions 1...n for this assembly sequence
-    // mArmPC[iArm] holds the value of the Mips-PC for the first MIPS
-    // instruction corresponding to that Arm instruction number
-
-    int iArm = 0;
     size_t count = pc()-base();
     uint32_t* mipsPC = base();
     while (count--) {
@@ -1359,7 +1365,7 @@
         ::mips_disassem(mipsPC, di_buf, arm_disasm_fmt);
         string_detab(di_buf);
         string_pad(di_buf, 30);
-        ALOGW("%08x:    %08x    %s", uintptr_t(mipsPC), uint32_t(*mipsPC), di_buf);
+        ALOGW("0x%p:    %08x    %s", mipsPC, uint32_t(*mipsPC), di_buf);
         mipsPC++;
     }
 }
@@ -1381,7 +1387,7 @@
     // empty - done in ArmToMipsAssembler
 }
 
-void MIPSAssembler::epilog(uint32_t touched)
+void MIPSAssembler::epilog(uint32_t touched __unused)
 {
     // empty - done in ArmToMipsAssembler
 }
@@ -1403,7 +1409,7 @@
 
     // the instruction & data caches are flushed by CodeCache
     const int64_t duration = ggl_system_time() - mDuration;
-    const char * const format = "generated %s (%d ins) at [%p:%p] in %lld ns\n";
+    const char * const format = "generated %s (%d ins) at [%p:%p] in %" PRId64 " ns\n";
     ALOGI(format, name, int(pc()-base()), base(), pc(), duration);
 
     char value[PROPERTY_VALUE_MAX];
@@ -1864,7 +1870,7 @@
     BEQ(Rs, R_zero, label);
 }
 
-void MIPSAssembler::BNEZ(int Rs, const char* label)
+void MIPSAssembler::BNEZ(int Rs __unused, const char* label)
 {
     BNE(R_at, R_zero, label);
 }
diff --git a/libpixelflinger/codeflinger/load_store.cpp b/libpixelflinger/codeflinger/load_store.cpp
index da21e1d..4db0a49 100644
--- a/libpixelflinger/codeflinger/load_store.cpp
+++ b/libpixelflinger/codeflinger/load_store.cpp
@@ -232,7 +232,6 @@
 void GGLAssembler::downshift(
         pixel_t& d, int component, component_t s, const reg_t& dither)
 {
-    const needs_t& needs = mBuilderContext.needs;
     Scratch scratches(registerFile());
 
     int sh = s.h;
diff --git a/libpixelflinger/codeflinger/mips64_disassem.c b/libpixelflinger/codeflinger/mips64_disassem.c
index 1856e5c..8528299 100644
--- a/libpixelflinger/codeflinger/mips64_disassem.c
+++ b/libpixelflinger/codeflinger/mips64_disassem.c
@@ -45,6 +45,8 @@
 
 #include "mips_opcode.h"
 
+#define __unused __attribute__((__unused__))
+
 static char *sprintf_buffer;
 static int sprintf_buf_len;
 
@@ -114,7 +116,7 @@
     "t8",   "t9",   "k0",   "k1",   "gp",   "sp",   "s8",   "ra"
 };
 
-static char ** reg_name =  &mips_reg_name[0];
+static char * const * reg_name =  &mips_reg_name[0];
 
 static const char * const c0_opname[64] = {
     "c0op00","tlbr",  "tlbwi", "c0op03","c0op04","c0op05","tlbwr", "c0op07",
@@ -147,7 +149,7 @@
  * 'loc' may in fact contain a breakpoint instruction.
  */
 static db_addr_t
-db_disasm_insn(int insn, db_addr_t loc, bool altfmt)
+db_disasm_insn(int insn, db_addr_t loc, bool altfmt __unused)
 {
     bool bdslot = false;
     InstFmt i;
diff --git a/libpixelflinger/codeflinger/mips_disassem.c b/libpixelflinger/codeflinger/mips_disassem.c
index 83a9740..1fe6806 100644
--- a/libpixelflinger/codeflinger/mips_disassem.c
+++ b/libpixelflinger/codeflinger/mips_disassem.c
@@ -57,6 +57,7 @@
 // #include <ddb/db_extern.h>
 // #include <ddb/db_sym.h>
 
+#define __unused __attribute__((__unused__))
 
 static char *sprintf_buffer;
 static int sprintf_buf_len;
@@ -183,7 +184,7 @@
  * 'loc' may in fact contain a breakpoint instruction.
  */
 static db_addr_t
-db_disasm_insn(int insn, db_addr_t loc, bool altfmt)
+db_disasm_insn(int insn, db_addr_t loc, bool altfmt __unused)
 {
     bool bdslot = false;
     InstFmt i;
diff --git a/libpixelflinger/codeflinger/texturing.cpp b/libpixelflinger/codeflinger/texturing.cpp
index 4c357af..e6997bd 100644
--- a/libpixelflinger/codeflinger/texturing.cpp
+++ b/libpixelflinger/codeflinger/texturing.cpp
@@ -41,7 +41,6 @@
 void GGLAssembler::init_iterated_color(fragment_parts_t& parts, const reg_t& x)
 {
     context_t const* c = mBuilderContext.c;
-    const needs_t& needs = mBuilderContext.needs;
 
     if (mSmooth) {
         // NOTE: we could take this case in the mDithering + !mSmooth case,
@@ -324,9 +323,7 @@
         tex_coord_t* coords,
         const reg_t& x, const reg_t& y)
 {
-    context_t const* c = mBuilderContext.c;
     const needs_t& needs = mBuilderContext.needs;
-    int Rctx = mBuilderContext.Rctx;
     int Rx = x.reg;
     int Ry = y.reg;
 
@@ -402,10 +399,6 @@
 void GGLAssembler::build_textures(  fragment_parts_t& parts,
                                     Scratch& regs)
 {
-    context_t const* c = mBuilderContext.c;
-    const needs_t& needs = mBuilderContext.needs;
-    int Rctx = mBuilderContext.Rctx;
-
     // We don't have a way to spill registers automatically
     // spill depth and AA regs, when we know we may have to.
     // build the spill list...
@@ -434,7 +427,6 @@
 
     Spill spill(registerFile(), *this, spill_list);
 
-    const bool multiTexture = mTextureMachine.activeUnits > 1;
     for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT; i++) {
         const texture_unit_t& tmu = mTextureMachine.tmu[i];
         if (tmu.format_idx == 0)
@@ -442,7 +434,7 @@
 
         pointer_t& txPtr = parts.coords[i].ptr;
         pixel_t& texel = parts.texel[i];
-            
+
         // repeat...
         if ((tmu.swrap == GGL_NEEDS_WRAP_11) &&
             (tmu.twrap == GGL_NEEDS_WRAP_11))
@@ -656,7 +648,6 @@
 void GGLAssembler::build_iterate_texture_coordinates(
     const fragment_parts_t& parts)
 {
-    const bool multiTexture = mTextureMachine.activeUnits > 1;
     for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT; i++) {
         const texture_unit_t& tmu = mTextureMachine.tmu[i];
         if (tmu.format_idx == 0)
diff --git a/libpixelflinger/include/private/pixelflinger/ggl_fixed.h b/libpixelflinger/include/private/pixelflinger/ggl_fixed.h
index 17b85dd..51e9e26 100644
--- a/libpixelflinger/include/private/pixelflinger/ggl_fixed.h
+++ b/libpixelflinger/include/private/pixelflinger/ggl_fixed.h
@@ -497,7 +497,6 @@
 {
 
     GGLfixed result;
-    int rshift;
 
     asm("smull  %x[result], %w[x], %w[y]                     \n"
         "lsr    %x[result], %x[result], %x[shift]            \n"
diff --git a/libpixelflinger/raster.cpp b/libpixelflinger/raster.cpp
index 26d8e45..e95c2c8 100644
--- a/libpixelflinger/raster.cpp
+++ b/libpixelflinger/raster.cpp
@@ -153,7 +153,6 @@
      GGLint h = where[3];
 
     // exclsively enable this tmu
-    const GGLSurface& cbSurface = c->state.buffers.color.s;
     c->procs.activeTexture(c, tmu);
     c->procs.disable(c, GGL_W_LERP);
 
diff --git a/libpixelflinger/scanline.cpp b/libpixelflinger/scanline.cpp
index c6cf5bf..4cc23c7 100644
--- a/libpixelflinger/scanline.cpp
+++ b/libpixelflinger/scanline.cpp
@@ -2144,7 +2144,6 @@
     const int32_t u = (c->state.texture[0].shade.is0>>16) + x;
     const int32_t v = (c->state.texture[0].shade.it0>>16) + y;
     uint32_t *src = reinterpret_cast<uint32_t*>(tex->data)+(u+(tex->stride*v));
-    int sR, sG, sB;
     uint32_t s, d;
 
     if (ct==1 || uintptr_t(dst)&2) {
diff --git a/libpixelflinger/tests/arch-arm64/assembler/Android.mk b/libpixelflinger/tests/arch-arm64/assembler/Android.mk
index bd0f24b..db5dc4d 100644
--- a/libpixelflinger/tests/arch-arm64/assembler/Android.mk
+++ b/libpixelflinger/tests/arch-arm64/assembler/Android.mk
@@ -14,6 +14,8 @@
 
 LOCAL_MODULE:= test-pixelflinger-arm64-assembler-test
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_MODULE_TAGS := tests
 
 LOCAL_MULTILIB := 64
diff --git a/libpixelflinger/tests/arch-arm64/col32cb16blend/Android.mk b/libpixelflinger/tests/arch-arm64/col32cb16blend/Android.mk
index 3368eb0..3096232 100644
--- a/libpixelflinger/tests/arch-arm64/col32cb16blend/Android.mk
+++ b/libpixelflinger/tests/arch-arm64/col32cb16blend/Android.mk
@@ -11,6 +11,8 @@
 
 LOCAL_MODULE:= test-pixelflinger-arm64-col32cb16blend
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_MODULE_TAGS := tests
 
 LOCAL_MULTILIB := 64
diff --git a/libpixelflinger/tests/arch-arm64/disassembler/Android.mk b/libpixelflinger/tests/arch-arm64/disassembler/Android.mk
index d8f7e69..78f12af 100644
--- a/libpixelflinger/tests/arch-arm64/disassembler/Android.mk
+++ b/libpixelflinger/tests/arch-arm64/disassembler/Android.mk
@@ -9,6 +9,8 @@
 
 LOCAL_MODULE:= test-pixelflinger-arm64-disassembler-test
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_MODULE_TAGS := tests
 
 LOCAL_MULTILIB := 64
diff --git a/libpixelflinger/tests/arch-arm64/t32cb16blend/Android.mk b/libpixelflinger/tests/arch-arm64/t32cb16blend/Android.mk
index 8e5ec5e..664347f 100644
--- a/libpixelflinger/tests/arch-arm64/t32cb16blend/Android.mk
+++ b/libpixelflinger/tests/arch-arm64/t32cb16blend/Android.mk
@@ -11,6 +11,8 @@
 
 LOCAL_MODULE:= test-pixelflinger-arm64-t32cb16blend
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_MODULE_TAGS := tests
 
 LOCAL_MULTILIB := 64
diff --git a/libpixelflinger/tests/codegen/Android.mk b/libpixelflinger/tests/codegen/Android.mk
index 2f9ca2f..72d71ef 100644
--- a/libpixelflinger/tests/codegen/Android.mk
+++ b/libpixelflinger/tests/codegen/Android.mk
@@ -13,6 +13,8 @@
 
 LOCAL_MODULE:= test-opengl-codegen
 
+LOCAL_CFLAGS:= -Wall -Werror
+
 LOCAL_MODULE_TAGS := tests
 
 include $(BUILD_NATIVE_TEST)
diff --git a/libpixelflinger/tests/codegen/codegen.cpp b/libpixelflinger/tests/codegen/codegen.cpp
index efa6d87..dce4ed7 100644
--- a/libpixelflinger/tests/codegen/codegen.cpp
+++ b/libpixelflinger/tests/codegen/codegen.cpp
@@ -40,9 +40,9 @@
     const AssemblyKey<needs_t>& key() const { return mKey; }
 };
 
+#if ANDROID_ARM_CODEGEN
 static void ggl_test_codegen(uint32_t n, uint32_t p, uint32_t t0, uint32_t t1)
 {
-#if ANDROID_ARM_CODEGEN
     GGLContext* c;
     gglInit(&c);
     needs_t needs;
@@ -73,10 +73,12 @@
         printf("error %08x (%s)\n", err, strerror(-err));
     }
     gglUninit(c);
-#else
-    printf("This test runs only on ARM, Arm64 or MIPS\n");
-#endif
 }
+#else
+static void ggl_test_codegen(uint32_t, uint32_t, uint32_t, uint32_t) {
+    printf("This test runs only on ARM, Arm64 or MIPS\n");
+}
+#endif
 
 int main(int argc, char** argv)
 {
diff --git a/libpixelflinger/tests/gglmul/Android.mk b/libpixelflinger/tests/gglmul/Android.mk
index 75bd39e..67f358f 100644
--- a/libpixelflinger/tests/gglmul/Android.mk
+++ b/libpixelflinger/tests/gglmul/Android.mk
@@ -11,6 +11,8 @@
 
 LOCAL_MODULE:= test-pixelflinger-gglmul
 
+LOCAL_CFLAGS:= -Wall -Werror
+
 LOCAL_MODULE_TAGS := tests
 
 include $(BUILD_NATIVE_TEST)
diff --git a/libpixelflinger/trap.cpp b/libpixelflinger/trap.cpp
index 234bfdd..06ad237 100644
--- a/libpixelflinger/trap.cpp
+++ b/libpixelflinger/trap.cpp
@@ -349,7 +349,6 @@
 
 static void linex(void *con, const GGLcoord* v0, const GGLcoord* v1, GGLcoord width)
 {
-    GGL_CONTEXT(c, con);
     GGLcoord v[4][2];
     v[0][0] = v0[0];    v[0][1] = v0[1];
     v[1][0] = v1[0];    v[1][1] = v1[1];
@@ -377,7 +376,6 @@
 
 static void aa_linex(void *con, const GGLcoord* v0, const GGLcoord* v1, GGLcoord width)
 {
-    GGL_CONTEXT(c, con);
     GGLcoord v[4][2];
     v[0][0] = v0[0];    v[0][1] = v0[1];
     v[1][0] = v1[0];    v[1][1] = v1[1];
diff --git a/libunwindstack/DwarfSection.cpp b/libunwindstack/DwarfSection.cpp
index 2292168..91aef80 100644
--- a/libunwindstack/DwarfSection.cpp
+++ b/libunwindstack/DwarfSection.cpp
@@ -39,6 +39,10 @@
     return nullptr;
   }
   const DwarfFde* fde = GetFdeFromOffset(fde_offset);
+  if (fde == nullptr) {
+    return nullptr;
+  }
+
   // Guaranteed pc >= pc_start, need to check pc in the fde range.
   if (pc < fde->pc_end) {
     return fde;
diff --git a/libunwindstack/tests/DwarfEhFrameTest.cpp b/libunwindstack/tests/DwarfEhFrameTest.cpp
index 21114da..3dbabe1 100644
--- a/libunwindstack/tests/DwarfEhFrameTest.cpp
+++ b/libunwindstack/tests/DwarfEhFrameTest.cpp
@@ -399,13 +399,25 @@
   EXPECT_EQ(0x20U, fde->cie->return_address_register);
 }
 
+TYPED_TEST_P(DwarfEhFrameTest, GetFdeFromPc_fde_not_found) {
+  this->eh_frame_->TestSetTableEntrySize(16);
+  this->eh_frame_->TestSetFdeCount(1);
+
+  typename DwarfEhFrame<TypeParam>::FdeInfo info;
+  info.pc = 0x550;
+  info.offset = 0x10500;
+  this->eh_frame_->TestSetFdeInfo(0, info);
+
+  ASSERT_EQ(nullptr, this->eh_frame_->GetFdeFromPc(0x800));
+}
+
 REGISTER_TYPED_TEST_CASE_P(DwarfEhFrameTest, Init, GetFdeInfoFromIndex_expect_cache_fail,
                            GetFdeInfoFromIndex_read_pcrel, GetFdeInfoFromIndex_read_datarel,
                            GetFdeInfoFromIndex_cached, GetFdeOffsetBinary_verify,
                            GetFdeOffsetSequential, GetFdeOffsetSequential_last_element,
                            GetFdeOffsetSequential_end_check, GetFdeOffsetFromPc_fail_fde_count,
                            GetFdeOffsetFromPc_binary_search, GetFdeOffsetFromPc_sequential_search,
-                           GetCieFde32, GetCieFde64);
+                           GetCieFde32, GetCieFde64, GetFdeFromPc_fde_not_found);
 
 typedef ::testing::Types<uint32_t, uint64_t> DwarfEhFrameTestTypes;
 INSTANTIATE_TYPED_TEST_CASE_P(, DwarfEhFrameTest, DwarfEhFrameTestTypes);
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index 94029d8..c4795a7 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -59,3 +59,12 @@
 $(INPUT_H_LABELS_H): $(LOCAL_PATH)/Android.mk $(LOCAL_PATH)/generate-input.h-labels.py $(UAPI_INPUT_EVENT_CODES_H)
 $(INPUT_H_LABELS_H):
 	$(transform-generated-source)
+
+# We only want 'r' on userdebug and eng builds.
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := r.c
+LOCAL_CFLAGS += $(common_cflags)
+LOCAL_C_INCLUDES += $(LOCAL_PATH)/upstream-netbsd/include/
+LOCAL_MODULE := r
+LOCAL_MODULE_TAGS := debug
+include $(BUILD_EXECUTABLE)
diff --git a/toolbox/r.c b/toolbox/r.c
new file mode 100644
index 0000000..b96cdb2
--- /dev/null
+++ b/toolbox/r.c
@@ -0,0 +1,102 @@
+#include <fcntl.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+#if __LP64__
+#define strtoptr strtoull
+#else
+#define strtoptr strtoul
+#endif
+
+static int usage()
+{
+    fprintf(stderr,"r [-b|-s] <address> [<value>]\n");
+    return -1;
+}
+
+int main(int argc, char *argv[])
+{
+    if(argc < 2) return usage();
+
+    int width = 4;
+    if(!strcmp(argv[1], "-b")) {
+        width = 1;
+        argc--;
+        argv++;
+    } else if(!strcmp(argv[1], "-s")) {
+        width = 2;
+        argc--;
+        argv++;
+    }
+
+    if(argc < 2) return usage();
+    uintptr_t addr = strtoptr(argv[1], 0, 16);
+
+    uintptr_t endaddr = 0;
+    char* end = strchr(argv[1], '-');
+    if (end)
+        endaddr = strtoptr(end + 1, 0, 16);
+
+    if (!endaddr)
+        endaddr = addr + width - 1;
+
+    if (endaddr <= addr) {
+        fprintf(stderr, "end address <= start address\n");
+        return -1;
+    }
+
+    bool set = false;
+    uint32_t value = 0;
+    if(argc > 2) {
+        set = true;
+        value = strtoul(argv[2], 0, 16);
+    }
+
+    int fd = open("/dev/mem", O_RDWR | O_SYNC);
+    if(fd < 0) {
+        fprintf(stderr,"cannot open /dev/mem\n");
+        return -1;
+    }
+
+    off64_t mmap_start = addr & ~(PAGE_SIZE - 1);
+    size_t mmap_size = endaddr - mmap_start + 1;
+    mmap_size = (mmap_size + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1);
+
+    void* page = mmap64(0, mmap_size, PROT_READ | PROT_WRITE,
+                        MAP_SHARED, fd, mmap_start);
+
+    if(page == MAP_FAILED){
+        fprintf(stderr,"cannot mmap region\n");
+        return -1;
+    }
+
+    while (addr <= endaddr) {
+        switch(width){
+        case 4: {
+            uint32_t* x = (uint32_t*) (((uintptr_t) page) + (addr & 4095));
+            if(set) *x = value;
+            fprintf(stderr,"%08"PRIxPTR": %08x\n", addr, *x);
+            break;
+        }
+        case 2: {
+            uint16_t* x = (uint16_t*) (((uintptr_t) page) + (addr & 4095));
+            if(set) *x = value;
+            fprintf(stderr,"%08"PRIxPTR": %04x\n", addr, *x);
+            break;
+        }
+        case 1: {
+            uint8_t* x = (uint8_t*) (((uintptr_t) page) + (addr & 4095));
+            if(set) *x = value;
+            fprintf(stderr,"%08"PRIxPTR": %02x\n", addr, *x);
+            break;
+        }
+        }
+        addr += width;
+    }
+    return 0;
+}