Refactoring in preparation for microdump processing

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1370 4c0a9323-5329-0410-9bdc-e9ce6186880e

1 files changed, 605 insertions, 0 deletions

diff --git a/src/processor/dump_context.cc b/src/processor/dump_context.cc
new file mode 100644
index 00000000..54bf231e
--- /dev/null
+++ b/src/processor/dump_context.cc
@@ -0,0 +1,605 @@
+// Copyright (c) 2010 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.
+
+// dump_context.cc: A (mini/micro)dump context.
+//
+// See dump_context.h for documentation.
+
+#include "google_breakpad/processor/dump_context.h"
+
+#include <assert.h>
+#include <stdio.h>
+
+#include "processor/logging.h"
+
+namespace google_breakpad {
+
+DumpContext::DumpContext() : context_(),
+                             context_flags_(0) { }
+
+DumpContext::~DumpContext() {
+  FreeContext();
+}
+
+uint32_t DumpContext::GetContextCPU() const {
+  if (!valid_) {
+    // Don't log a message, GetContextCPU can be legitimately called with
+    // valid_ false by FreeContext, which is called by Read.
+    return 0;
+  }
+
+  return context_flags_ & MD_CONTEXT_CPU_MASK;
+}
+
+uint32_t DumpContext::GetContextFlags() const {
+  return context_flags_;
+}
+
+const MDRawContextX86* DumpContext::GetContextX86() const {
+  if (GetContextCPU() != MD_CONTEXT_X86) {
+    BPLOG(ERROR) << "DumpContext cannot get x86 context";
+    return NULL;
+  }
+
+  return context_.x86;
+}
+
+const MDRawContextPPC* DumpContext::GetContextPPC() const {
+  if (GetContextCPU() != MD_CONTEXT_PPC) {
+    BPLOG(ERROR) << "DumpContext cannot get ppc context";
+    return NULL;
+  }
+
+  return context_.ppc;
+}
+
+const MDRawContextPPC64* DumpContext::GetContextPPC64() const {
+  if (GetContextCPU() != MD_CONTEXT_PPC64) {
+    BPLOG(ERROR) << "DumpContext cannot get ppc64 context";
+    return NULL;
+  }
+
+  return context_.ppc64;
+}
+
+const MDRawContextAMD64* DumpContext::GetContextAMD64() const {
+  if (GetContextCPU() != MD_CONTEXT_AMD64) {
+    BPLOG(ERROR) << "DumpContext cannot get amd64 context";
+    return NULL;
+  }
+
+  return context_.amd64;
+}
+
+const MDRawContextSPARC* DumpContext::GetContextSPARC() const {
+  if (GetContextCPU() != MD_CONTEXT_SPARC) {
+    BPLOG(ERROR) << "DumpContext cannot get sparc context";
+    return NULL;
+  }
+
+  return context_.ctx_sparc;
+}
+
+const MDRawContextARM* DumpContext::GetContextARM() const {
+  if (GetContextCPU() != MD_CONTEXT_ARM) {
+    BPLOG(ERROR) << "DumpContext cannot get arm context";
+    return NULL;
+  }
+
+  return context_.arm;
+}
+
+const MDRawContextARM64* DumpContext::GetContextARM64() const {
+  if (GetContextCPU() != MD_CONTEXT_ARM64) {
+    BPLOG(ERROR) << "DumpContext cannot get arm64 context";
+    return NULL;
+  }
+
+  return context_.arm64;
+}
+
+const MDRawContextMIPS* DumpContext::GetContextMIPS() const {
+  if (GetContextCPU() != MD_CONTEXT_MIPS) {
+    BPLOG(ERROR) << "DumpContext cannot get MIPS context";
+    return NULL;
+  }
+
+  return context_.ctx_mips;
+}
+
+bool DumpContext::GetInstructionPointer(uint64_t* ip) const {
+  BPLOG_IF(ERROR, !ip) << "DumpContext::GetInstructionPointer requires |ip|";
+  assert(ip);
+  *ip = 0;
+
+  if (!valid_) {
+    BPLOG(ERROR) << "Invalid DumpContext for GetInstructionPointer";
+    return false;
+  }
+
+  switch (GetContextCPU()) {
+  case MD_CONTEXT_AMD64:
+    *ip = GetContextAMD64()->rip;
+    break;
+  case MD_CONTEXT_ARM:
+    *ip = GetContextARM()->iregs[MD_CONTEXT_ARM_REG_PC];
+    break;
+  case MD_CONTEXT_ARM64:
+    *ip = GetContextARM64()->iregs[MD_CONTEXT_ARM64_REG_PC];
+    break;
+  case MD_CONTEXT_PPC:
+    *ip = GetContextPPC()->srr0;
+    break;
+  case MD_CONTEXT_PPC64:
+    *ip = GetContextPPC64()->srr0;
+    break;
+  case MD_CONTEXT_SPARC:
+    *ip = GetContextSPARC()->pc;
+    break;
+  case MD_CONTEXT_X86:
+    *ip = GetContextX86()->eip;
+    break;
+  case MD_CONTEXT_MIPS:
+    *ip = GetContextMIPS()->epc;
+    break;
+  default:
+    // This should never happen.
+    BPLOG(ERROR) << "Unknown CPU architecture in GetInstructionPointer";
+    return false;
+  }
+  return true;
+}
+
+void DumpContext::SetContextFlags(uint32_t context_flags) {
+  context_flags_ = context_flags;
+}
+
+void DumpContext::SetContextX86(MDRawContextX86* x86) {
+  context_.x86 = x86;
+}
+
+void DumpContext::SetContextPPC(MDRawContextPPC* ppc) {
+  context_.ppc = ppc;
+}
+
+void DumpContext::SetContextPPC64(MDRawContextPPC64* ppc64) {
+  context_.ppc64 = ppc64;
+}
+
+void DumpContext::SetContextAMD64(MDRawContextAMD64* amd64) {
+  context_.amd64 = amd64;
+}
+
+void DumpContext::SetContextSPARC(MDRawContextSPARC* ctx_sparc) {
+  context_.ctx_sparc = ctx_sparc;
+}
+
+void DumpContext::SetContextARM(MDRawContextARM* arm) {
+  context_.arm = arm;
+}
+
+void DumpContext::SetContextARM64(MDRawContextARM64* arm64) {
+  context_.arm64 = arm64;
+}
+
+void DumpContext::SetContextMIPS(MDRawContextMIPS* ctx_mips) {
+  context_.ctx_mips = ctx_mips;
+}
+
+void DumpContext::FreeContext() {
+  switch (GetContextCPU()) {
+    case MD_CONTEXT_X86:
+      delete context_.x86;
+      break;
+
+    case MD_CONTEXT_PPC:
+      delete context_.ppc;
+      break;
+
+    case MD_CONTEXT_PPC64:
+      delete context_.ppc64;
+      break;
+
+    case MD_CONTEXT_AMD64:
+      delete context_.amd64;
+      break;
+
+    case MD_CONTEXT_SPARC:
+      delete context_.ctx_sparc;
+      break;
+
+    case MD_CONTEXT_ARM:
+      delete context_.arm;
+      break;
+
+    case MD_CONTEXT_ARM64:
+      delete context_.arm64;
+      break;
+
+    case MD_CONTEXT_MIPS:
+      delete context_.ctx_mips;
+      break;
+
+    default:
+      // There is no context record (valid_ is false) or there's a
+      // context record for an unknown CPU (shouldn't happen, only known
+      // records are stored by Read).
+      break;
+  }
+
+  context_flags_ = 0;
+  context_.base = NULL;
+}
+
+void DumpContext::Print() {
+  if (!valid_) {
+    BPLOG(ERROR) << "DumpContext cannot print invalid data";
+    return;
+  }
+
+  switch (GetContextCPU()) {
+    case MD_CONTEXT_X86: {
+      const MDRawContextX86* context_x86 = GetContextX86();
+      printf("MDRawContextX86\n");
+      printf("  context_flags                = 0x%x\n",
+             context_x86->context_flags);
+      printf("  dr0                          = 0x%x\n", context_x86->dr0);
+      printf("  dr1                          = 0x%x\n", context_x86->dr1);
+      printf("  dr2                          = 0x%x\n", context_x86->dr2);
+      printf("  dr3                          = 0x%x\n", context_x86->dr3);
+      printf("  dr6                          = 0x%x\n", context_x86->dr6);
+      printf("  dr7                          = 0x%x\n", context_x86->dr7);
+      printf("  float_save.control_word      = 0x%x\n",
+             context_x86->float_save.control_word);
+      printf("  float_save.status_word       = 0x%x\n",
+             context_x86->float_save.status_word);
+      printf("  float_save.tag_word          = 0x%x\n",
+             context_x86->float_save.tag_word);
+      printf("  float_save.error_offset      = 0x%x\n",
+             context_x86->float_save.error_offset);
+      printf("  float_save.error_selector    = 0x%x\n",
+             context_x86->float_save.error_selector);
+      printf("  float_save.data_offset       = 0x%x\n",
+             context_x86->float_save.data_offset);
+      printf("  float_save.data_selector     = 0x%x\n",
+             context_x86->float_save.data_selector);
+      printf("  float_save.register_area[%2d] = 0x",
+             MD_FLOATINGSAVEAREA_X86_REGISTERAREA_SIZE);
+      for (unsigned int register_index = 0;
+           register_index < MD_FLOATINGSAVEAREA_X86_REGISTERAREA_SIZE;
+           ++register_index) {
+        printf("%02x", context_x86->float_save.register_area[register_index]);
+      }
+      printf("\n");
+      printf("  float_save.cr0_npx_state     = 0x%x\n",
+             context_x86->float_save.cr0_npx_state);
+      printf("  gs                           = 0x%x\n", context_x86->gs);
+      printf("  fs                           = 0x%x\n", context_x86->fs);
+      printf("  es                           = 0x%x\n", context_x86->es);
+      printf("  ds                           = 0x%x\n", context_x86->ds);
+      printf("  edi                          = 0x%x\n", context_x86->edi);
+      printf("  esi                          = 0x%x\n", context_x86->esi);
+      printf("  ebx                          = 0x%x\n", context_x86->ebx);
+      printf("  edx                          = 0x%x\n", context_x86->edx);
+      printf("  ecx                          = 0x%x\n", context_x86->ecx);
+      printf("  eax                          = 0x%x\n", context_x86->eax);
+      printf("  ebp                          = 0x%x\n", context_x86->ebp);
+      printf("  eip                          = 0x%x\n", context_x86->eip);
+      printf("  cs                           = 0x%x\n", context_x86->cs);
+      printf("  eflags                       = 0x%x\n", context_x86->eflags);
+      printf("  esp                          = 0x%x\n", context_x86->esp);
+      printf("  ss                           = 0x%x\n", context_x86->ss);
+      printf("  extended_registers[%3d]      = 0x",
+             MD_CONTEXT_X86_EXTENDED_REGISTERS_SIZE);
+      for (unsigned int register_index = 0;
+           register_index < MD_CONTEXT_X86_EXTENDED_REGISTERS_SIZE;
+           ++register_index) {
+        printf("%02x", context_x86->extended_registers[register_index]);
+      }
+      printf("\n\n");
+
+      break;
+    }
+
+    case MD_CONTEXT_PPC: {
+      const MDRawContextPPC* context_ppc = GetContextPPC();
+      printf("MDRawContextPPC\n");
+      printf("  context_flags            = 0x%x\n",
+             context_ppc->context_flags);
+      printf("  srr0                     = 0x%x\n", context_ppc->srr0);
+      printf("  srr1                     = 0x%x\n", context_ppc->srr1);
+      for (unsigned int gpr_index = 0;
+           gpr_index < MD_CONTEXT_PPC_GPR_COUNT;
+           ++gpr_index) {
+        printf("  gpr[%2d]                  = 0x%x\n",
+               gpr_index, context_ppc->gpr[gpr_index]);
+      }
+      printf("  cr                       = 0x%x\n", context_ppc->cr);
+      printf("  xer                      = 0x%x\n", context_ppc->xer);
+      printf("  lr                       = 0x%x\n", context_ppc->lr);
+      printf("  ctr                      = 0x%x\n", context_ppc->ctr);
+      printf("  mq                       = 0x%x\n", context_ppc->mq);
+      printf("  vrsave                   = 0x%x\n", context_ppc->vrsave);
+      for (unsigned int fpr_index = 0;
+           fpr_index < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT;
+           ++fpr_index) {
+        printf("  float_save.fpregs[%2d]    = 0x%" PRIx64 "\n",
+               fpr_index, context_ppc->float_save.fpregs[fpr_index]);
+      }
+      printf("  float_save.fpscr         = 0x%x\n",
+             context_ppc->float_save.fpscr);
+      // TODO(mmentovai): print the 128-bit quantities in
+      // context_ppc->vector_save.  This isn't done yet because printf
+      // doesn't support 128-bit quantities, and printing them using
+      // PRIx64 as two 64-bit quantities requires knowledge of the CPU's
+      // byte ordering.
+      printf("  vector_save.save_vrvalid = 0x%x\n",
+             context_ppc->vector_save.save_vrvalid);
+      printf("\n");
+
+      break;
+    }
+
+    case MD_CONTEXT_PPC64: {
+      const MDRawContextPPC64* context_ppc64 = GetContextPPC64();
+      printf("MDRawContextPPC64\n");
+      printf("  context_flags            = 0x%" PRIx64 "\n",
+             context_ppc64->context_flags);
+      printf("  srr0                     = 0x%" PRIx64 "\n",
+             context_ppc64->srr0);
+      printf("  srr1                     = 0x%" PRIx64 "\n",
+             context_ppc64->srr1);
+      for (unsigned int gpr_index = 0;
+           gpr_index < MD_CONTEXT_PPC64_GPR_COUNT;
+           ++gpr_index) {
+        printf("  gpr[%2d]                  = 0x%" PRIx64 "\n",
+               gpr_index, context_ppc64->gpr[gpr_index]);
+      }
+      printf("  cr                       = 0x%" PRIx64 "\n", context_ppc64->cr);
+      printf("  xer                      = 0x%" PRIx64 "\n",
+             context_ppc64->xer);
+      printf("  lr                       = 0x%" PRIx64 "\n", context_ppc64->lr);
+      printf("  ctr                      = 0x%" PRIx64 "\n",
+             context_ppc64->ctr);
+      printf("  vrsave                   = 0x%" PRIx64 "\n",
+             context_ppc64->vrsave);
+      for (unsigned int fpr_index = 0;
+           fpr_index < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT;
+           ++fpr_index) {
+        printf("  float_save.fpregs[%2d]    = 0x%" PRIx64 "\n",
+               fpr_index, context_ppc64->float_save.fpregs[fpr_index]);
+      }
+      printf("  float_save.fpscr         = 0x%x\n",
+             context_ppc64->float_save.fpscr);
+      // TODO(mmentovai): print the 128-bit quantities in
+      // context_ppc64->vector_save.  This isn't done yet because printf
+      // doesn't support 128-bit quantities, and printing them using
+      // PRIx64 as two 64-bit quantities requires knowledge of the CPU's
+      // byte ordering.
+      printf("  vector_save.save_vrvalid = 0x%x\n",
+             context_ppc64->vector_save.save_vrvalid);
+      printf("\n");
+
+      break;
+    }
+
+    case MD_CONTEXT_AMD64: {
+      const MDRawContextAMD64* context_amd64 = GetContextAMD64();
+      printf("MDRawContextAMD64\n");
+      printf("  p1_home       = 0x%" PRIx64 "\n",
+             context_amd64->p1_home);
+      printf("  p2_home       = 0x%" PRIx64 "\n",
+             context_amd64->p2_home);
+      printf("  p3_home       = 0x%" PRIx64 "\n",
+             context_amd64->p3_home);
+      printf("  p4_home       = 0x%" PRIx64 "\n",
+             context_amd64->p4_home);
+      printf("  p5_home       = 0x%" PRIx64 "\n",
+             context_amd64->p5_home);
+      printf("  p6_home       = 0x%" PRIx64 "\n",
+             context_amd64->p6_home);
+      printf("  context_flags = 0x%x\n",
+             context_amd64->context_flags);
+      printf("  mx_csr        = 0x%x\n",
+             context_amd64->mx_csr);
+      printf("  cs            = 0x%x\n", context_amd64->cs);
+      printf("  ds            = 0x%x\n", context_amd64->ds);
+      printf("  es            = 0x%x\n", context_amd64->es);
+      printf("  fs            = 0x%x\n", context_amd64->fs);
+      printf("  gs            = 0x%x\n", context_amd64->gs);
+      printf("  ss            = 0x%x\n", context_amd64->ss);
+      printf("  eflags        = 0x%x\n", context_amd64->eflags);
+      printf("  dr0           = 0x%" PRIx64 "\n", context_amd64->dr0);
+      printf("  dr1           = 0x%" PRIx64 "\n", context_amd64->dr1);
+      printf("  dr2           = 0x%" PRIx64 "\n", context_amd64->dr2);
+      printf("  dr3           = 0x%" PRIx64 "\n", context_amd64->dr3);
+      printf("  dr6           = 0x%" PRIx64 "\n", context_amd64->dr6);
+      printf("  dr7           = 0x%" PRIx64 "\n", context_amd64->dr7);
+      printf("  rax           = 0x%" PRIx64 "\n", context_amd64->rax);
+      printf("  rcx           = 0x%" PRIx64 "\n", context_amd64->rcx);
+      printf("  rdx           = 0x%" PRIx64 "\n", context_amd64->rdx);
+      printf("  rbx           = 0x%" PRIx64 "\n", context_amd64->rbx);
+      printf("  rsp           = 0x%" PRIx64 "\n", context_amd64->rsp);
+      printf("  rbp           = 0x%" PRIx64 "\n", context_amd64->rbp);
+      printf("  rsi           = 0x%" PRIx64 "\n", context_amd64->rsi);
+      printf("  rdi           = 0x%" PRIx64 "\n", context_amd64->rdi);
+      printf("  r8            = 0x%" PRIx64 "\n", context_amd64->r8);
+      printf("  r9            = 0x%" PRIx64 "\n", context_amd64->r9);
+      printf("  r10           = 0x%" PRIx64 "\n", context_amd64->r10);
+      printf("  r11           = 0x%" PRIx64 "\n", context_amd64->r11);
+      printf("  r12           = 0x%" PRIx64 "\n", context_amd64->r12);
+      printf("  r13           = 0x%" PRIx64 "\n", context_amd64->r13);
+      printf("  r14           = 0x%" PRIx64 "\n", context_amd64->r14);
+      printf("  r15           = 0x%" PRIx64 "\n", context_amd64->r15);
+      printf("  rip           = 0x%" PRIx64 "\n", context_amd64->rip);
+      // TODO: print xmm, vector, debug registers
+      printf("\n");
+      break;
+    }
+
+    case MD_CONTEXT_SPARC: {
+      const MDRawContextSPARC* context_sparc = GetContextSPARC();
+      printf("MDRawContextSPARC\n");
+      printf("  context_flags       = 0x%x\n",
+             context_sparc->context_flags);
+      for (unsigned int g_r_index = 0;
+           g_r_index < MD_CONTEXT_SPARC_GPR_COUNT;
+           ++g_r_index) {
+        printf("  g_r[%2d]             = 0x%" PRIx64 "\n",
+               g_r_index, context_sparc->g_r[g_r_index]);
+      }
+      printf("  ccr                 = 0x%" PRIx64 "\n", context_sparc->ccr);
+      printf("  pc                  = 0x%" PRIx64 "\n", context_sparc->pc);
+      printf("  npc                 = 0x%" PRIx64 "\n", context_sparc->npc);
+      printf("  y                   = 0x%" PRIx64 "\n", context_sparc->y);
+      printf("  asi                 = 0x%" PRIx64 "\n", context_sparc->asi);
+      printf("  fprs                = 0x%" PRIx64 "\n", context_sparc->fprs);
+
+      for (unsigned int fpr_index = 0;
+           fpr_index < MD_FLOATINGSAVEAREA_SPARC_FPR_COUNT;
+           ++fpr_index) {
+        printf("  float_save.regs[%2d] = 0x%" PRIx64 "\n",
+               fpr_index, context_sparc->float_save.regs[fpr_index]);
+      }
+      printf("  float_save.filler   = 0x%" PRIx64 "\n",
+             context_sparc->float_save.filler);
+      printf("  float_save.fsr      = 0x%" PRIx64 "\n",
+             context_sparc->float_save.fsr);
+      break;
+    }
+
+    case MD_CONTEXT_ARM: {
+      const MDRawContextARM* context_arm = GetContextARM();
+      printf("MDRawContextARM\n");
+      printf("  context_flags       = 0x%x\n",
+             context_arm->context_flags);
+      for (unsigned int ireg_index = 0;
+           ireg_index < MD_CONTEXT_ARM_GPR_COUNT;
+           ++ireg_index) {
+        printf("  iregs[%2d]            = 0x%x\n",
+               ireg_index, context_arm->iregs[ireg_index]);
+      }
+      printf("  cpsr                = 0x%x\n", context_arm->cpsr);
+      printf("  float_save.fpscr     = 0x%" PRIx64 "\n",
+             context_arm->float_save.fpscr);
+      for (unsigned int fpr_index = 0;
+           fpr_index < MD_FLOATINGSAVEAREA_ARM_FPR_COUNT;
+           ++fpr_index) {
+        printf("  float_save.regs[%2d] = 0x%" PRIx64 "\n",
+               fpr_index, context_arm->float_save.regs[fpr_index]);
+      }
+      for (unsigned int fpe_index = 0;
+           fpe_index < MD_FLOATINGSAVEAREA_ARM_FPEXTRA_COUNT;
+           ++fpe_index) {
+        printf("  float_save.extra[%2d] = 0x%" PRIx32 "\n",
+               fpe_index, context_arm->float_save.extra[fpe_index]);
+      }
+
+      break;
+    }
+
+    case MD_CONTEXT_ARM64: {
+      const MDRawContextARM64* context_arm64 = GetContextARM64();
+      printf("MDRawContextARM64\n");
+      printf("  context_flags       = 0x%" PRIx64 "\n",
+             context_arm64->context_flags);
+      for (unsigned int ireg_index = 0;
+           ireg_index < MD_CONTEXT_ARM64_GPR_COUNT;
+           ++ireg_index) {
+        printf("  iregs[%2d]            = 0x%" PRIx64 "\n",
+               ireg_index, context_arm64->iregs[ireg_index]);
+      }
+      printf("  cpsr                = 0x%x\n", context_arm64->cpsr);
+      printf("  float_save.fpsr     = 0x%x\n", context_arm64->float_save.fpsr);
+      printf("  float_save.fpcr     = 0x%x\n", context_arm64->float_save.fpcr);
+
+      for (unsigned int freg_index = 0;
+           freg_index < MD_FLOATINGSAVEAREA_ARM64_FPR_COUNT;
+           ++freg_index) {
+        uint128_struct fp_value = context_arm64->float_save.regs[freg_index];
+        printf("  float_save.regs[%2d]            = 0x%" PRIx64 "%" PRIx64 "\n",
+               freg_index, fp_value.high, fp_value.low);
+      }
+      break;
+    }
+
+    case MD_CONTEXT_MIPS: {
+      const MDRawContextMIPS* context_mips = GetContextMIPS();
+      printf("MDRawContextMIPS\n");
+      printf("  context_flags        = 0x%x\n",
+             context_mips->context_flags);
+      for (int ireg_index = 0;
+           ireg_index < MD_CONTEXT_MIPS_GPR_COUNT;
+           ++ireg_index) {
+        printf("  iregs[%2d]           = 0x%" PRIx64 "\n",
+               ireg_index, context_mips->iregs[ireg_index]);
+      }
+      printf("  mdhi                 = 0x%" PRIx64 "\n",
+             context_mips->mdhi);
+      printf("  mdlo                 = 0x%" PRIx64 "\n",
+             context_mips->mdhi);
+      for (int dsp_index = 0;
+           dsp_index < MD_CONTEXT_MIPS_DSP_COUNT;
+           ++dsp_index) {
+        printf("  hi[%1d]              = 0x%" PRIx32 "\n",
+               dsp_index, context_mips->hi[dsp_index]);
+        printf("  lo[%1d]              = 0x%" PRIx32 "\n",
+               dsp_index, context_mips->lo[dsp_index]);
+      }
+      printf("  dsp_control          = 0x%" PRIx32 "\n",
+             context_mips->dsp_control);
+      printf("  epc                  = 0x%" PRIx64 "\n",
+             context_mips->epc);
+      printf("  badvaddr             = 0x%" PRIx64 "\n",
+             context_mips->badvaddr);
+      printf("  status               = 0x%" PRIx32 "\n",
+             context_mips->status);
+      printf("  cause                = 0x%" PRIx32 "\n",
+             context_mips->cause);
+
+      for (int fpr_index = 0;
+           fpr_index < MD_FLOATINGSAVEAREA_MIPS_FPR_COUNT;
+           ++fpr_index) {
+        printf("  float_save.regs[%2d] = 0x%" PRIx64 "\n",
+               fpr_index, context_mips->float_save.regs[fpr_index]);
+      }
+      printf("  float_save.fpcsr     = 0x%" PRIx32 "\n",
+             context_mips->float_save.fpcsr);
+      printf("  float_save.fir       = 0x%" PRIx32 "\n",
+             context_mips->float_save.fir);
+      break;
+    }
+
+    default: {
+      break;
+    }
+  }
+}
+
+}  // namespace google_breakpad