| // Copyright 2014 The Crashpad Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "snapshot/test/test_cpu_context.h" |
| |
| #include <string.h> |
| #include <sys/types.h> |
| |
| #include "base/stl_util.h" |
| |
| namespace crashpad { |
| namespace test { |
| |
| namespace { |
| |
| // This is templatized because the CPUContextX86::Fxsave and |
| // CPUContextX86_64::Fxsave are nearly identical but have different sizes for |
| // the members |xmm|, |reserved_4|, and |available|. |
| template <typename FxsaveType> |
| void InitializeCPUContextFxsave(FxsaveType* fxsave, uint32_t* seed) { |
| uint32_t value = *seed; |
| |
| fxsave->fcw = static_cast<uint16_t>(value++); |
| fxsave->fsw = static_cast<uint16_t>(value++); |
| fxsave->ftw = static_cast<uint8_t>(value++); |
| fxsave->reserved_1 = static_cast<uint8_t>(value++); |
| fxsave->fop = static_cast<uint16_t>(value++); |
| fxsave->fpu_ip = value++; |
| fxsave->fpu_cs = static_cast<uint16_t>(value++); |
| fxsave->reserved_2 = static_cast<uint16_t>(value++); |
| fxsave->fpu_dp = value++; |
| fxsave->fpu_ds = static_cast<uint16_t>(value++); |
| fxsave->reserved_3 = static_cast<uint16_t>(value++); |
| fxsave->mxcsr = value++; |
| fxsave->mxcsr_mask = value++; |
| for (size_t st_mm_index = 0; st_mm_index < base::size(fxsave->st_mm); |
| ++st_mm_index) { |
| for (size_t byte = 0; byte < base::size(fxsave->st_mm[st_mm_index].st); |
| ++byte) { |
| fxsave->st_mm[st_mm_index].st[byte] = static_cast<uint8_t>(value++); |
| } |
| for (size_t byte = 0; |
| byte < base::size(fxsave->st_mm[st_mm_index].st_reserved); |
| ++byte) { |
| fxsave->st_mm[st_mm_index].st_reserved[byte] = |
| static_cast<uint8_t>(value); |
| } |
| } |
| for (size_t xmm_index = 0; xmm_index < base::size(fxsave->xmm); ++xmm_index) { |
| for (size_t byte = 0; byte < base::size(fxsave->xmm[xmm_index]); ++byte) { |
| fxsave->xmm[xmm_index][byte] = static_cast<uint8_t>(value++); |
| } |
| } |
| for (size_t byte = 0; byte < base::size(fxsave->reserved_4); ++byte) { |
| fxsave->reserved_4[byte] = static_cast<uint8_t>(value++); |
| } |
| for (size_t byte = 0; byte < base::size(fxsave->available); ++byte) { |
| fxsave->available[byte] = static_cast<uint8_t>(value++); |
| } |
| |
| *seed = value; |
| } |
| |
| } // namespace |
| |
| void InitializeCPUContextX86Fxsave(CPUContextX86::Fxsave* fxsave, |
| uint32_t* seed) { |
| return InitializeCPUContextFxsave(fxsave, seed); |
| } |
| |
| void InitializeCPUContextX86_64Fxsave(CPUContextX86_64::Fxsave* fxsave, |
| uint32_t* seed) { |
| return InitializeCPUContextFxsave(fxsave, seed); |
| } |
| |
| void InitializeCPUContextX86(CPUContext* context, uint32_t seed) { |
| context->architecture = kCPUArchitectureX86; |
| |
| if (seed == 0) { |
| memset(context->x86, 0, sizeof(*context->x86)); |
| return; |
| } |
| |
| uint32_t value = seed; |
| |
| context->x86->eax = value++; |
| context->x86->ebx = value++; |
| context->x86->ecx = value++; |
| context->x86->edx = value++; |
| context->x86->edi = value++; |
| context->x86->esi = value++; |
| context->x86->ebp = value++; |
| context->x86->esp = value++; |
| context->x86->eip = value++; |
| context->x86->eflags = value++; |
| context->x86->cs = static_cast<uint16_t>(value++); |
| context->x86->ds = static_cast<uint16_t>(value++); |
| context->x86->es = static_cast<uint16_t>(value++); |
| context->x86->fs = static_cast<uint16_t>(value++); |
| context->x86->gs = static_cast<uint16_t>(value++); |
| context->x86->ss = static_cast<uint16_t>(value++); |
| InitializeCPUContextX86Fxsave(&context->x86->fxsave, &value); |
| context->x86->dr0 = value++; |
| context->x86->dr1 = value++; |
| context->x86->dr2 = value++; |
| context->x86->dr3 = value++; |
| context->x86->dr4 = value++; |
| context->x86->dr5 = value++; |
| context->x86->dr6 = value++; |
| context->x86->dr7 = value++; |
| } |
| |
| void InitializeCPUContextX86_64(CPUContext* context, uint32_t seed) { |
| context->architecture = kCPUArchitectureX86_64; |
| |
| if (seed == 0) { |
| memset(context->x86_64, 0, sizeof(*context->x86_64)); |
| return; |
| } |
| |
| uint32_t value = seed; |
| |
| context->x86_64->rax = value++; |
| context->x86_64->rbx = value++; |
| context->x86_64->rcx = value++; |
| context->x86_64->rdx = value++; |
| context->x86_64->rdi = value++; |
| context->x86_64->rsi = value++; |
| context->x86_64->rbp = value++; |
| context->x86_64->rsp = value++; |
| context->x86_64->r8 = value++; |
| context->x86_64->r9 = value++; |
| context->x86_64->r10 = value++; |
| context->x86_64->r11 = value++; |
| context->x86_64->r12 = value++; |
| context->x86_64->r13 = value++; |
| context->x86_64->r14 = value++; |
| context->x86_64->r15 = value++; |
| context->x86_64->rip = value++; |
| context->x86_64->rflags = value++; |
| context->x86_64->cs = static_cast<uint16_t>(value++); |
| context->x86_64->fs = static_cast<uint16_t>(value++); |
| context->x86_64->gs = static_cast<uint16_t>(value++); |
| InitializeCPUContextX86_64Fxsave(&context->x86_64->fxsave, &value); |
| context->x86_64->dr0 = value++; |
| context->x86_64->dr1 = value++; |
| context->x86_64->dr2 = value++; |
| context->x86_64->dr3 = value++; |
| context->x86_64->dr4 = value++; |
| context->x86_64->dr5 = value++; |
| context->x86_64->dr6 = value++; |
| context->x86_64->dr7 = value++; |
| } |
| |
| void InitializeCPUContextARM(CPUContext* context, uint32_t seed) { |
| context->architecture = kCPUArchitectureARM; |
| CPUContextARM* arm = context->arm; |
| |
| if (seed == 0) { |
| memset(arm, 0, sizeof(*arm)); |
| return; |
| } |
| |
| uint32_t value = seed; |
| |
| for (size_t index = 0; index < base::size(arm->regs); ++index) { |
| arm->regs[index] = value++; |
| } |
| arm->fp = value++; |
| arm->ip = value++; |
| arm->ip = value++; |
| arm->sp = value++; |
| arm->lr = value++; |
| arm->pc = value++; |
| arm->cpsr = value++; |
| |
| for (size_t index = 0; index < base::size(arm->vfp_regs.vfp); ++index) { |
| arm->vfp_regs.vfp[index] = value++; |
| } |
| arm->vfp_regs.fpscr = value++; |
| |
| arm->have_fpa_regs = false; |
| arm->have_vfp_regs = true; |
| } |
| |
| void InitializeCPUContextARM64(CPUContext* context, uint32_t seed) { |
| context->architecture = kCPUArchitectureARM64; |
| CPUContextARM64* arm64 = context->arm64; |
| |
| if (seed == 0) { |
| memset(arm64, 0, sizeof(*arm64)); |
| return; |
| } |
| |
| uint32_t value = seed; |
| |
| for (size_t index = 0; index < base::size(arm64->regs); ++index) { |
| arm64->regs[index] = value++; |
| } |
| arm64->sp = value++; |
| arm64->pc = value++; |
| arm64->spsr = value++; |
| |
| for (size_t index = 0; index < base::size(arm64->fpsimd); ++index) { |
| arm64->fpsimd[index].lo = value++; |
| arm64->fpsimd[index].hi = value++; |
| } |
| arm64->fpsr = value++; |
| arm64->fpcr = value++; |
| } |
| |
| void InitializeCPUContextMIPS(CPUContext* context, uint32_t seed) { |
| context->architecture = kCPUArchitectureMIPSEL; |
| CPUContextMIPS* mipsel = context->mipsel; |
| |
| if (seed == 0) { |
| memset(mipsel, 0, sizeof(*mipsel)); |
| return; |
| } |
| |
| uint32_t value = seed; |
| |
| for (size_t index = 0; index < base::size(mipsel->regs); ++index) { |
| mipsel->regs[index] = value++; |
| } |
| |
| mipsel->mdlo = value++; |
| mipsel->mdhi = value++; |
| mipsel->cp0_epc = value++; |
| mipsel->cp0_badvaddr = value++; |
| mipsel->cp0_status = value++; |
| mipsel->cp0_cause = value++; |
| |
| for (size_t index = 0; index < base::size(mipsel->fpregs.fregs); ++index) { |
| mipsel->fpregs.fregs[index]._fp_fregs = static_cast<float>(value++); |
| } |
| |
| mipsel->fpcsr = value++; |
| mipsel->fir = value++; |
| |
| for (size_t index = 0; index < 3; ++index) { |
| mipsel->hi[index] = value++; |
| mipsel->lo[index] = value++; |
| } |
| mipsel->dsp_control = value++; |
| } |
| |
| void InitializeCPUContextMIPS64(CPUContext* context, uint32_t seed) { |
| context->architecture = kCPUArchitectureMIPS64EL; |
| CPUContextMIPS64* mips64 = context->mips64; |
| |
| if (seed == 0) { |
| memset(mips64, 0, sizeof(*mips64)); |
| return; |
| } |
| |
| uint64_t value = seed; |
| |
| for (size_t index = 0; index < base::size(mips64->regs); ++index) { |
| mips64->regs[index] = value++; |
| } |
| |
| mips64->mdlo = value++; |
| mips64->mdhi = value++; |
| mips64->cp0_epc = value++; |
| mips64->cp0_badvaddr = value++; |
| mips64->cp0_status = value++; |
| mips64->cp0_cause = value++; |
| |
| for (size_t index = 0; index < base::size(mips64->fpregs.dregs); ++index) { |
| mips64->fpregs.dregs[index] = static_cast<double>(value++); |
| } |
| |
| mips64->fpcsr = value++; |
| mips64->fir = value++; |
| |
| for (size_t index = 0; index < 3; ++index) { |
| mips64->hi[index] = value++; |
| mips64->lo[index] = value++; |
| } |
| mips64->dsp_control = value++; |
| } |
| |
| } // namespace test |
| } // namespace crashpad |