From ac25827a87d86f1cf9e48aab6605f77a2c89041a Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Thu, 24 May 2018 14:06:04 +0200
Subject: Remove SPS profiler.

- Conditionals and code blocks. (MOZ_ENABLE_PROFILER_SPS)
- Stub out several profiler-only functions.
---
 tools/profiler/core/shared-libraries-linux.cc | 145 --------------------------
 1 file changed, 145 deletions(-)
 delete mode 100644 tools/profiler/core/shared-libraries-linux.cc

(limited to 'tools/profiler/core/shared-libraries-linux.cc')

diff --git a/tools/profiler/core/shared-libraries-linux.cc b/tools/profiler/core/shared-libraries-linux.cc
deleted file mode 100644
index 553039fb7..000000000
--- a/tools/profiler/core/shared-libraries-linux.cc
+++ /dev/null
@@ -1,145 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "shared-libraries.h"
-
-#define PATH_MAX_TOSTRING(x) #x
-#define PATH_MAX_STRING(x) PATH_MAX_TOSTRING(x)
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <limits.h>
-#include <unistd.h>
-#include <fstream>
-#include "platform.h"
-#include "shared-libraries.h"
-
-#include "common/linux/file_id.h"
-#include <algorithm>
-
-#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
-
-// Get the breakpad Id for the binary file pointed by bin_name
-static std::string getId(const char *bin_name)
-{
-  using namespace google_breakpad;
-  using namespace std;
-
-  PageAllocator allocator;
-  auto_wasteful_vector<uint8_t, sizeof(MDGUID)> identifier(&allocator);
-
-  FileID file_id(bin_name);
-  if (file_id.ElfFileIdentifier(identifier)) {
-    return FileID::ConvertIdentifierToUUIDString(identifier) + "0";
-  }
-
-  return "";
-}
-
-// TODO fix me with proper include
-#include "nsDebug.h"
-#ifdef ANDROID
-#include "ElfLoader.h" // dl_phdr_info
-#else
-#include <link.h> // dl_phdr_info
-#endif
-#include <features.h>
-#include <dlfcn.h>
-#include <sys/types.h>
-
-#ifdef ANDROID
-extern "C" MOZ_EXPORT __attribute__((weak))
-int dl_iterate_phdr(
-          int (*callback) (struct dl_phdr_info *info,
-                           size_t size, void *data),
-          void *data);
-#endif
-
-static int
-dl_iterate_callback(struct dl_phdr_info *dl_info, size_t size, void *data)
-{
-  SharedLibraryInfo& info = *reinterpret_cast<SharedLibraryInfo*>(data);
-
-  if (dl_info->dlpi_phnum <= 0)
-    return 0;
-
-  unsigned long libStart = -1;
-  unsigned long libEnd = 0;
-
-  for (size_t i = 0; i < dl_info->dlpi_phnum; i++) {
-    if (dl_info->dlpi_phdr[i].p_type != PT_LOAD) {
-      continue;
-    }
-    unsigned long start = dl_info->dlpi_addr + dl_info->dlpi_phdr[i].p_vaddr;
-    unsigned long end = start + dl_info->dlpi_phdr[i].p_memsz;
-    if (start < libStart)
-      libStart = start;
-    if (end > libEnd)
-      libEnd = end;
-  }
-  const char *name = dl_info->dlpi_name;
-  SharedLibrary shlib(libStart, libEnd, 0, getId(name), name);
-  info.AddSharedLibrary(shlib);
-
-  return 0;
-}
-
-SharedLibraryInfo SharedLibraryInfo::GetInfoForSelf()
-{
-  SharedLibraryInfo info;
-
-#ifdef ANDROID
-  if (!dl_iterate_phdr) {
-    // On ARM Android, dl_iterate_phdr is provided by the custom linker.
-    // So if libxul was loaded by the system linker (e.g. as part of
-    // xpcshell when running tests), it won't be available and we should
-    // not call it.
-    return info;
-  }
-#endif // ANDROID
-
-  dl_iterate_phdr(dl_iterate_callback, &info);
-
-#if defined(ANDROID)
-  pid_t pid = getpid();
-  char path[PATH_MAX];
-  snprintf(path, PATH_MAX, "/proc/%d/maps", pid);
-  std::ifstream maps(path);
-  std::string line;
-  int count = 0;
-  while (std::getline(maps, line)) {
-    int ret;
-    //XXX: needs input sanitizing
-    unsigned long start;
-    unsigned long end;
-    char perm[6] = "";
-    unsigned long offset;
-    char name[PATH_MAX] = "";
-    ret = sscanf(line.c_str(),
-                 "%lx-%lx %6s %lx %*s %*x %" PATH_MAX_STRING(PATH_MAX) "s\n",
-                 &start, &end, perm, &offset, name);
-    if (!strchr(perm, 'x')) {
-      // Ignore non executable entries
-      continue;
-    }
-    if (ret != 5 && ret != 4) {
-      LOG("Get maps line failed");
-      continue;
-    }
-    // Use proc/pid/maps to get the dalvik-jit section since it has
-    // no associated phdrs
-    if (strcmp(name, "/dev/ashmem/dalvik-jit-code-cache") != 0)
-      continue;
-    SharedLibrary shlib(start, end, offset, getId(name), name);
-    info.AddSharedLibrary(shlib);
-    if (count > 10000) {
-      LOG("Get maps failed");
-      break;
-    }
-    count++;
-  }
-#endif // ANDROID
-
-  return info;
-}
-- 
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