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authorwolfbeast <mcwerewolf@gmail.com>2018-05-24 14:06:04 +0200
committerwolfbeast <mcwerewolf@gmail.com>2018-05-24 14:06:04 +0200
commitac25827a87d86f1cf9e48aab6605f77a2c89041a (patch)
treec3533a008e606f4f6393e838b4305cf6d07f47d2 /tools/profiler/core/shared-libraries-macos.cc
parentc8b38a18031f6ae0fca8b2bef73daa86f6f96ae8 (diff)
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Remove SPS profiler.
- Conditionals and code blocks. (MOZ_ENABLE_PROFILER_SPS) - Stub out several profiler-only functions.
Diffstat (limited to 'tools/profiler/core/shared-libraries-macos.cc')
-rw-r--r--tools/profiler/core/shared-libraries-macos.cc132
1 files changed, 0 insertions, 132 deletions
diff --git a/tools/profiler/core/shared-libraries-macos.cc b/tools/profiler/core/shared-libraries-macos.cc
deleted file mode 100644
index e218d2280..000000000
--- a/tools/profiler/core/shared-libraries-macos.cc
+++ /dev/null
@@ -1,132 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* 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 <AvailabilityMacros.h>
-#include <mach-o/loader.h>
-#include <mach-o/dyld_images.h>
-#include <mach/task_info.h>
-#include <mach/task.h>
-#include <mach/mach_init.h>
-#include <mach/mach_traps.h>
-#include <string.h>
-#include <stdlib.h>
-#include <vector>
-#include <sstream>
-
-#include "shared-libraries.h"
-
-#ifndef MAC_OS_X_VERSION_10_6
-#define MAC_OS_X_VERSION_10_6 1060
-#endif
-
-#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
-// borrowed from Breakpad
-// Fallback declarations for TASK_DYLD_INFO and friends, introduced in
-// <mach/task_info.h> in the Mac OS X 10.6 SDK.
-#define TASK_DYLD_INFO 17
-struct task_dyld_info {
- mach_vm_address_t all_image_info_addr;
- mach_vm_size_t all_image_info_size;
- };
-typedef struct task_dyld_info task_dyld_info_data_t;
-typedef struct task_dyld_info *task_dyld_info_t;
-#define TASK_DYLD_INFO_COUNT (sizeof(task_dyld_info_data_t) / sizeof(natural_t))
-
-#endif
-
-// Architecture specific abstraction.
-#ifdef __i386__
-typedef mach_header platform_mach_header;
-typedef segment_command mach_segment_command_type;
-#define MACHO_MAGIC_NUMBER MH_MAGIC
-#define CMD_SEGMENT LC_SEGMENT
-#define seg_size uint32_t
-#else
-typedef mach_header_64 platform_mach_header;
-typedef segment_command_64 mach_segment_command_type;
-#define MACHO_MAGIC_NUMBER MH_MAGIC_64
-#define CMD_SEGMENT LC_SEGMENT_64
-#define seg_size uint64_t
-#endif
-
-static
-void addSharedLibrary(const platform_mach_header* header, char *name, SharedLibraryInfo &info) {
- const struct load_command *cmd =
- reinterpret_cast<const struct load_command *>(header + 1);
-
- seg_size size = 0;
- unsigned long long start = reinterpret_cast<unsigned long long>(header);
- // Find the cmd segment in the macho image. It will contain the offset we care about.
- const uint8_t *uuid_bytes = nullptr;
- for (unsigned int i = 0;
- cmd && (i < header->ncmds) && (uuid_bytes == nullptr || size == 0);
- ++i) {
- if (cmd->cmd == CMD_SEGMENT) {
- const mach_segment_command_type *seg =
- reinterpret_cast<const mach_segment_command_type *>(cmd);
-
- if (!strcmp(seg->segname, "__TEXT")) {
- size = seg->vmsize;
- }
- } else if (cmd->cmd == LC_UUID) {
- const uuid_command *ucmd = reinterpret_cast<const uuid_command *>(cmd);
- uuid_bytes = ucmd->uuid;
- }
-
- cmd = reinterpret_cast<const struct load_command *>
- (reinterpret_cast<const char *>(cmd) + cmd->cmdsize);
- }
-
- std::stringstream uuid;
- uuid << std::hex << std::uppercase;
- if (uuid_bytes != nullptr) {
- for (int i = 0; i < 16; ++i) {
- uuid << ((uuid_bytes[i] & 0xf0) >> 4);
- uuid << (uuid_bytes[i] & 0xf);
- }
- uuid << '0';
- }
-
- info.AddSharedLibrary(SharedLibrary(start, start + size, 0, uuid.str(),
- name));
-}
-
-// Use dyld to inspect the macho image information. We can build the SharedLibraryEntry structure
-// giving us roughtly the same info as /proc/PID/maps in Linux.
-SharedLibraryInfo SharedLibraryInfo::GetInfoForSelf()
-{
- SharedLibraryInfo sharedLibraryInfo;
-
- task_dyld_info_data_t task_dyld_info;
- mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT;
- if (task_info(mach_task_self (), TASK_DYLD_INFO, (task_info_t)&task_dyld_info,
- &count) != KERN_SUCCESS) {
- return sharedLibraryInfo;
- }
-
- struct dyld_all_image_infos* aii = (struct dyld_all_image_infos*)task_dyld_info.all_image_info_addr;
- size_t infoCount = aii->infoArrayCount;
-
- // Iterate through all dyld images (loaded libraries) to get their names
- // and offests.
- for (size_t i = 0; i < infoCount; ++i) {
- const dyld_image_info *info = &aii->infoArray[i];
-
- // If the magic number doesn't match then go no further
- // since we're not pointing to where we think we are.
- if (info->imageLoadAddress->magic != MACHO_MAGIC_NUMBER) {
- continue;
- }
-
- const platform_mach_header* header =
- reinterpret_cast<const platform_mach_header*>(info->imageLoadAddress);
-
- // Add the entry for this image.
- addSharedLibrary(header, (char*)info->imageFilePath, sharedLibraryInfo);
-
- }
- return sharedLibraryInfo;
-}
-