diff options
Diffstat (limited to 'base')
| -rw-r--r-- | base/debug_util_posix.cc | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/base/debug_util_posix.cc b/base/debug_util_posix.cc index 0cccd9e..110cb20 100644 --- a/base/debug_util_posix.cc +++ b/base/debug_util_posix.cc @@ -2,12 +2,12 @@ // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. -#include "build/build_config.h" #include "base/debug_util.h" #include <errno.h> #include <fcntl.h> #include <stdio.h> +#include <stdlib.h> #include <sys/stat.h> #include <sys/sysctl.h> #include <sys/types.h> @@ -17,13 +17,13 @@ #include <cxxabi.h> #endif -#include <iostream> -#include <string> - #if defined(OS_MACOSX) #include <AvailabilityMacros.h> #endif +#include <iostream> +#include <string> + #include "base/basictypes.h" #include "base/compat_execinfo.h" #include "base/eintr_wrapper.h" @@ -172,7 +172,7 @@ bool DebugUtil::BeingDebugged() { size_t info_size = sizeof(info); int sysctl_result = sysctl(mib, arraysize(mib), &info, &info_size, NULL, 0); - DCHECK(sysctl_result == 0); + DCHECK_EQ(sysctl_result, 0); if (sysctl_result != 0) { is_set = true; being_debugged = false; @@ -229,15 +229,33 @@ bool DebugUtil::BeingDebugged() { return false; } +#endif // defined(OS_FREEBSD) + +// We want to break into the debugger in Debug mode, and cause a crash dump in +// Release mode. Breakpad behaves as follows: +// +// +-------+-----------------+-----------------+ +// | OS | Dump on SIGTRAP | Dump on SIGABRT | +// +-------+-----------------+-----------------+ +// | Linux | N | Y | +// | Mac | Y | N | +// +-------+-----------------+-----------------+ +// +// Thus we do the following: +// Linux: Debug mode, send SIGTRAP; Release mode, send SIGABRT. +// Mac: Always send SIGTRAP. + +#if defined(NDEBUG) && !defined(OS_MACOSX) +#define DEBUG_BREAK() abort() +#elif defined(ARCH_CPU_ARM_FAMILY) +#define DEBUG_BREAK() asm("bkpt 0") +#else +#define DEBUG_BREAK() asm("int3") #endif // static void DebugUtil::BreakDebugger() { -#if defined(ARCH_CPU_ARM_FAMILY) - asm("bkpt 0"); -#else - asm("int3"); -#endif + DEBUG_BREAK(); } StackTrace::StackTrace() { |