diff options
Diffstat (limited to 'externals/breakpad/src/processor/convert_old_arm64_context.cc')
-rw-r--r-- | externals/breakpad/src/processor/convert_old_arm64_context.cc | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/externals/breakpad/src/processor/convert_old_arm64_context.cc b/externals/breakpad/src/processor/convert_old_arm64_context.cc new file mode 100644 index 0000000000..768475b2f4 --- /dev/null +++ b/externals/breakpad/src/processor/convert_old_arm64_context.cc @@ -0,0 +1,70 @@ +// Copyright 2018 Google LLC +// +// 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 LLC 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. + +#ifdef HAVE_CONFIG_H +#include <config.h> // Must come first +#endif + +#include "processor/convert_old_arm64_context.h" + +#include <string.h> + +namespace google_breakpad { + +void ConvertOldARM64Context(const MDRawContextARM64_Old& old, + MDRawContextARM64* context) { + context->context_flags = MD_CONTEXT_ARM64; + if (old.context_flags & MD_CONTEXT_ARM64_INTEGER_OLD) { + context->context_flags |= + MD_CONTEXT_ARM64_INTEGER | MD_CONTEXT_ARM64_CONTROL; + } + if (old.context_flags & MD_CONTEXT_ARM64_FLOATING_POINT_OLD) { + context->context_flags |= MD_CONTEXT_ARM64_FLOATING_POINT; + } + + context->cpsr = old.cpsr; + + static_assert(sizeof(old.iregs) == sizeof(context->iregs), + "iregs size mismatch"); + memcpy(context->iregs, old.iregs, sizeof(context->iregs)); + + static_assert(sizeof(old.float_save.regs) == sizeof(context->float_save.regs), + "float_save.regs size mismatch"); + memcpy(context->float_save.regs, + old.float_save.regs, + sizeof(context->float_save.regs)); + context->float_save.fpcr = old.float_save.fpcr; + context->float_save.fpsr = old.float_save.fpsr; + + memset(context->bcr, 0, sizeof(context->bcr)); + memset(context->bvr, 0, sizeof(context->bvr)); + memset(context->wcr, 0, sizeof(context->wcr)); + memset(context->wvr, 0, sizeof(context->wvr)); +} + +} // namespace google_breakpad |