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Diffstat (limited to 'externals/breakpad/src/processor/stackwalker_riscv64.h')
| -rw-r--r-- | externals/breakpad/src/processor/stackwalker_riscv64.h | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/externals/breakpad/src/processor/stackwalker_riscv64.h b/externals/breakpad/src/processor/stackwalker_riscv64.h deleted file mode 100644 index 89ab12ff6d..0000000000 --- a/externals/breakpad/src/processor/stackwalker_riscv64.h +++ /dev/null @@ -1,100 +0,0 @@ -// Copyright 2013 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. - -/* stackwalker_riscv64.h: riscv64-specific stackwalker. - * - * Provides stack frames given riscv64 register context and a memory region - * corresponding to a riscv64 stack. - * - * Author: Iacopo Colonnelli - */ - -#ifndef PROCESSOR_STACKWALKER_RISCV64_H__ -#define PROCESSOR_STACKWALKER_RISCV64_H__ - -#include "google_breakpad/common/minidump_format.h" -#include "google_breakpad/processor/stackwalker.h" - -namespace google_breakpad { - -class CodeModules; - -class StackwalkerRISCV64 : public Stackwalker { -public: - // Context is a riscv context object that gives access to riscv-specific - // register state corresponding to the innermost called frame to be - // included in the stack. The other arguments are passed directly - // through to the base Stackwalker constructor. - StackwalkerRISCV64(const SystemInfo* system_info, - const MDRawContextRISCV64* context, - MemoryRegion* memory, - const CodeModules* modules, - StackFrameSymbolizer* frame_symbolizer); - - // Change the context validity mask of the frame returned by - // GetContextFrame to VALID. This is only for use by unit tests; the - // default behavior is correct for all application code. - void SetContextFrameValidity(int valid) { - context_frame_validity_ = valid; - } - -private: - // Implementation of Stackwalker, using riscv context and stack conventions. - virtual StackFrame* GetContextFrame(); - virtual StackFrame* GetCallerFrame( - const CallStack* stack, bool stack_scan_allowed); - - // Use cfi_frame_info (derived from STACK CFI records) to construct - // the frame that called frames.back(). The caller takes ownership - // of the returned frame. Return NULL on failure. - StackFrameRISCV64* GetCallerByCFIFrameInfo( - const vector<StackFrame*>& frames, CFIFrameInfo* cfi_frame_info); - - // Use the frame pointer. The caller takes ownership of the returned frame. - // Return NULL on failure. - StackFrameRISCV64* GetCallerByFramePointer( - const vector<StackFrame*>& frames); - - // Scan the stack for plausible return addresses. The caller takes ownership - // of the returned frame. Return NULL on failure. - StackFrameRISCV64* GetCallerByStackScan( - const vector<StackFrame*>& frames); - - // Stores the CPU context corresponding to the innermost stack frame to - // be returned by GetContextFrame. - const MDRawContextRISCV64* context_; - - // Validity mask for youngest stack frame. This is always - // CONTEXT_VALID_ALL in real use; it is only changeable for the sake of - // unit tests. - int context_frame_validity_; -}; - -} // namespace google_breakpad - -#endif // PROCESSOR_STACKWALKER_RISCV64_H__ |
