diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/client/linux/android_link.h | 6 | ||||
-rw-r--r-- | src/client/linux/handler/exception_handler.cc | 31 | ||||
-rw-r--r-- | src/client/linux/log/log.cc | 48 | ||||
-rw-r--r-- | src/client/linux/log/log.h | 41 | ||||
-rw-r--r-- | src/client/linux/minidump_writer/minidump_writer.cc | 17 | ||||
-rw-r--r-- | src/client/linux/minidump_writer/minidump_writer.h | 17 | ||||
-rw-r--r-- | src/common/dwarf_cu_to_module.cc | 6 | ||||
-rw-r--r-- | src/common/linux/file_id.cc | 3 | ||||
-rw-r--r-- | src/common/linux/memory_mapped_file.cc | 8 | ||||
-rw-r--r-- | src/tools/linux/core2md/core2md.cc | 18 |
10 files changed, 161 insertions, 34 deletions
diff --git a/src/client/linux/android_link.h b/src/client/linux/android_link.h index 430ac3b6..32261fc2 100644 --- a/src/client/linux/android_link.h +++ b/src/client/linux/android_link.h @@ -33,7 +33,11 @@ #ifndef GOOGLE_BREAKPAD_CLIENT_LINUX_ANDROID_LINK_H_ #define GOOGLE_BREAKPAD_CLIENT_LINUX_ANDROID_LINK_H_ -#include <sys/exec_elf.h> +// TODO(zhenghao): exec_elf.h conflicts with linux/elf.h. +// But we still need ELFSIZE. +//#include <sys/exec_elf.h> +#include <machine/exec.h> +#define ELFSIZE ARCH_ELFSIZE #ifndef ElfW #define ElfW(type) _ElfW (Elf, ELFSIZE, type) diff --git a/src/client/linux/handler/exception_handler.cc b/src/client/linux/handler/exception_handler.cc index fff2d1c6..5d9e93f7 100644 --- a/src/client/linux/handler/exception_handler.cc +++ b/src/client/linux/handler/exception_handler.cc @@ -90,6 +90,7 @@ #include "common/linux/linux_libc_support.h" #include "common/memory.h" +#include "client/linux/log/log.h" #include "client/linux/minidump_writer/linux_dumper.h" #include "client/linux/minidump_writer/minidump_writer.h" #include "common/linux/guid_creator.h" @@ -391,14 +392,20 @@ bool ExceptionHandler::GenerateDump(CrashContext *context) { // is the write() and read() calls will fail with EBADF static const char no_pipe_msg[] = "ExceptionHandler::GenerateDump \ sys_pipe failed:"; - sys_write(2, no_pipe_msg, sizeof(no_pipe_msg) - 1); - sys_write(2, strerror(errno), strlen(strerror(errno))); - sys_write(2, "\n", 1); + logger::write(no_pipe_msg, sizeof(no_pipe_msg) - 1); + logger::write(strerror(errno), strlen(strerror(errno))); + logger::write("\n", 1); } +#if defined(__ANDROID__) + const pid_t child = clone( + ThreadEntry, stack, CLONE_FILES | CLONE_FS | CLONE_UNTRACED, + &thread_arg); +#else const pid_t child = sys_clone( ThreadEntry, stack, CLONE_FILES | CLONE_FS | CLONE_UNTRACED, &thread_arg, NULL, NULL, NULL); +#endif int r, status; // Allow the child to ptrace us sys_prctl(PR_SET_PTRACER, child); @@ -412,9 +419,9 @@ bool ExceptionHandler::GenerateDump(CrashContext *context) { if (r == -1) { static const char msg[] = "ExceptionHandler::GenerateDump waitpid failed:"; - sys_write(2, msg, sizeof(msg) - 1); - sys_write(2, strerror(errno), strlen(strerror(errno))); - sys_write(2, "\n", 1); + logger::write(msg, sizeof(msg) - 1); + logger::write(strerror(errno), strlen(strerror(errno))); + logger::write("\n", 1); } bool success = r != -1 && WIFEXITED(status) && WEXITSTATUS(status) == 0; @@ -434,9 +441,9 @@ void ExceptionHandler::SendContinueSignalToChild() { if(r == -1) { static const char msg[] = "ExceptionHandler::SendContinueSignalToChild \ sys_write failed:"; - sys_write(2, msg, sizeof(msg) - 1); - sys_write(2, strerror(errno), strlen(strerror(errno))); - sys_write(2, "\n", 1); + logger::write(msg, sizeof(msg) - 1); + logger::write(strerror(errno), strlen(strerror(errno))); + logger::write("\n", 1); } } @@ -449,9 +456,9 @@ void ExceptionHandler::WaitForContinueSignal() { if(r == -1) { static const char msg[] = "ExceptionHandler::WaitForContinueSignal \ sys_read failed:"; - sys_write(2, msg, sizeof(msg) - 1); - sys_write(2, strerror(errno), strlen(strerror(errno))); - sys_write(2, "\n", 1); + logger::write(msg, sizeof(msg) - 1); + logger::write(strerror(errno), strlen(strerror(errno))); + logger::write("\n", 1); } } diff --git a/src/client/linux/log/log.cc b/src/client/linux/log/log.cc new file mode 100644 index 00000000..18635913 --- /dev/null +++ b/src/client/linux/log/log.cc @@ -0,0 +1,48 @@ +// Copyright (c) 2012 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "client/linux/log/log.h" + +#if defined(__ANDROID__) +#include <android/log.h> +#else +#include "third_party/lss/linux_syscall_support.h" +#endif + +namespace logger { + +int write(const char* buf, size_t nbytes) { +#if defined(__ANDROID__) + return __android_log_write(ANDROID_LOG_WARN, "google-breakpad", buf); +#else + return sys_write(2, buf, nbytes); +#endif +} + +} // namespace logger diff --git a/src/client/linux/log/log.h b/src/client/linux/log/log.h new file mode 100644 index 00000000..a50e30dc --- /dev/null +++ b/src/client/linux/log/log.h @@ -0,0 +1,41 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_LOG_LOG_H_ +#define CLIENT_LINUX_LOG_LOG_H_ + +#include <stddef.h> + +namespace logger { + +int write(const char* buf, size_t nbytes); + +} // namespace logger + +#endif // CLIENT_LINUX_LOG_LOG_H_ diff --git a/src/client/linux/minidump_writer/minidump_writer.cc b/src/client/linux/minidump_writer/minidump_writer.cc index a9d4927b..35a291db 100644 --- a/src/client/linux/minidump_writer/minidump_writer.cc +++ b/src/client/linux/minidump_writer/minidump_writer.cc @@ -46,19 +46,19 @@ #include "client/linux/minidump_writer/minidump_writer.h" #include "client/minidump_file_writer-inl.h" +#include <ctype.h> #include <errno.h> #include <fcntl.h> #if !defined(__ANDROID__) #include <link.h> #endif #include <stdio.h> -#include <unistd.h> -#include <ctype.h> #if !defined(__ANDROID__) #include <sys/ucontext.h> #include <sys/user.h> #endif #include <sys/utsname.h> +#include <unistd.h> #include <algorithm> @@ -72,10 +72,11 @@ #include "client/linux/handler/exception_handler.h" #include "client/linux/minidump_writer/line_reader.h" #include "client/linux/minidump_writer/linux_dumper.h" -#include "client/linux/minidump_writer/linux_core_dumper.h" #include "client/linux/minidump_writer/linux_ptrace_dumper.h" #include "client/linux/minidump_writer/minidump_extension_linux.h" +#include "client/minidump_file_writer.h" #include "common/linux/linux_libc_support.h" +#include "google_breakpad/common/minidump_format.h" #include "third_party/lss/linux_syscall_support.h" // Minidump defines register structures which are different from the raw @@ -1336,12 +1337,10 @@ bool WriteMinidump(const char* filename, pid_t crashing_process, return writer.Dump(); } -bool WriteMinidumpFromCore(const char* filename, - const char* core_path, - const char* procfs_override) { - MappingList mappings; - LinuxCoreDumper dumper(0, core_path, procfs_override); - MinidumpWriter writer(filename, NULL, mappings, &dumper); +bool WriteMinidump(const char* filename, + const MappingList& mappings, + LinuxDumper* dumper) { + MinidumpWriter writer(filename, NULL, mappings, dumper); if (!writer.Init()) return false; return writer.Dump(); diff --git a/src/client/linux/minidump_writer/minidump_writer.h b/src/client/linux/minidump_writer/minidump_writer.h index 731249e3..e79eb79b 100644 --- a/src/client/linux/minidump_writer/minidump_writer.h +++ b/src/client/linux/minidump_writer/minidump_writer.h @@ -36,12 +36,19 @@ #include <list> #include <utility> +#include "client/linux/minidump_writer/linux_dumper.h" #include "google_breakpad/common/minidump_format.h" namespace google_breakpad { +class ExceptionHandler; + +struct MappingEntry { + MappingInfo first; + u_int8_t second[sizeof(MDGUID)]; +}; + // A list of <MappingInfo, GUID> -typedef std::pair<struct MappingInfo, u_int8_t[sizeof(MDGUID)]> MappingEntry; typedef std::list<MappingEntry> MappingList; // Write a minidump to the filesystem. This function does not malloc nor use @@ -62,11 +69,9 @@ bool WriteMinidump(const char* filename, pid_t crashing_process, const void* blob, size_t blob_size, const MappingList& mappings); -// Write a minidump to the filesystem. Same as above, but uses the given -// core file and procfs directory to generate the minidump post mortem. -bool WriteMinidumpFromCore(const char* filename, - const char* core_path, - const char* procfs_override); +bool WriteMinidump(const char* filename, + const MappingList& mappings, + LinuxDumper* dumper); } // namespace google_breakpad diff --git a/src/common/dwarf_cu_to_module.cc b/src/common/dwarf_cu_to_module.cc index 2a8b76ba..e3100a12 100644 --- a/src/common/dwarf_cu_to_module.cc +++ b/src/common/dwarf_cu_to_module.cc @@ -440,7 +440,11 @@ void DwarfCUToModule::FuncHandler::Finish() { func->address = low_pc_; func->size = high_pc_ - low_pc_; func->parameter_size = 0; - cu_context_->functions.push_back(func); + if (func->address) { + // If the function address is zero this is a sign that this function + // description is just empty debug data and should just be discarded. + cu_context_->functions.push_back(func); + } } else if (inline_) { AbstractOrigin origin(name_); cu_context_->file_context->file_private->origins[offset_] = origin; diff --git a/src/common/linux/file_id.cc b/src/common/linux/file_id.cc index bffef621..ff2f29e2 100644 --- a/src/common/linux/file_id.cc +++ b/src/common/linux/file_id.cc @@ -36,10 +36,11 @@ #include <arpa/inet.h> #include <assert.h> -#include <elf.h> #if defined(__ANDROID__) +#include <linux/elf.h> #include "client/linux/android_link.h" #else +#include <elf.h> #include <link.h> #endif #include <string.h> diff --git a/src/common/linux/memory_mapped_file.cc b/src/common/linux/memory_mapped_file.cc index 6f450bd3..32fc3b18 100644 --- a/src/common/linux/memory_mapped_file.cc +++ b/src/common/linux/memory_mapped_file.cc @@ -34,6 +34,9 @@ #include <fcntl.h> #include <sys/mman.h> +#if defined(__ANDROID__) +#include <sys/stat.h> +#endif #include <unistd.h> #include "common/memory_range.h" @@ -59,7 +62,10 @@ bool MemoryMappedFile::Map(const char* path) { return false; } -#if defined(__x86_64__) +#if defined(__ANDROID__) + struct stat st; + if (fstat(fd, &st) != 0) { +#elif defined(__x86_64__) struct kernel_stat st; if (sys_fstat(fd, &st) == -1 || st.st_size < 0) { #else diff --git a/src/tools/linux/core2md/core2md.cc b/src/tools/linux/core2md/core2md.cc index c8060b5e..641496ee 100644 --- a/src/tools/linux/core2md/core2md.cc +++ b/src/tools/linux/core2md/core2md.cc @@ -32,12 +32,24 @@ #include <stdio.h> #include "client/linux/minidump_writer/minidump_writer.h" +#include "client/linux/minidump_writer/linux_core_dumper.h" + +using google_breakpad::MappingList; +using google_breakpad::LinuxCoreDumper; static int ShowUsage(const char* argv0) { fprintf(stderr, "Usage: %s <core file> <procfs dir> <output>\n", argv0); return 1; } +bool WriteMinidumpFromCore(const char* filename, + const char* core_path, + const char* procfs_override) { + MappingList mappings; + LinuxCoreDumper dumper(0, core_path, procfs_override); + return google_breakpad::WriteMinidump(filename, mappings, &dumper); +} + int main(int argc, char *argv[]) { if (argc != 4) { return ShowUsage(argv[0]); @@ -46,9 +58,9 @@ int main(int argc, char *argv[]) { const char* core_file = argv[1]; const char* procfs_dir = argv[2]; const char* minidump_file = argv[3]; - if (!google_breakpad::WriteMinidumpFromCore(minidump_file, - core_file, - procfs_dir)) { + if (!WriteMinidumpFromCore(minidump_file, + core_file, + procfs_dir)) { fprintf(stderr, "Unable to generate minidump.\n"); return 1; } |