diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc')
| -rw-r--r-- | toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc b/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc deleted file mode 100644 index 93b4d9f85..000000000 --- a/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc +++ /dev/null @@ -1,259 +0,0 @@ -// Copyright (c) 2014, 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. - -#include "client/linux/dump_writer_common/ucontext_reader.h" - -#include "common/linux/linux_libc_support.h" -#include "google_breakpad/common/minidump_format.h" - -namespace google_breakpad { - -// Minidump defines register structures which are different from the raw -// structures which we get from the kernel. These are platform specific -// functions to juggle the ucontext and user structures into minidump format. - -#if defined(__i386__) - -uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) { - return uc->uc_mcontext.gregs[REG_ESP]; -} - -uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) { - return uc->uc_mcontext.gregs[REG_EIP]; -} - -void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc, - const struct _libc_fpstate* fp) { - const greg_t* regs = uc->uc_mcontext.gregs; - - out->context_flags = MD_CONTEXT_X86_FULL | - MD_CONTEXT_X86_FLOATING_POINT; - - out->gs = regs[REG_GS]; - out->fs = regs[REG_FS]; - out->es = regs[REG_ES]; - out->ds = regs[REG_DS]; - - out->edi = regs[REG_EDI]; - out->esi = regs[REG_ESI]; - out->ebx = regs[REG_EBX]; - out->edx = regs[REG_EDX]; - out->ecx = regs[REG_ECX]; - out->eax = regs[REG_EAX]; - - out->ebp = regs[REG_EBP]; - out->eip = regs[REG_EIP]; - out->cs = regs[REG_CS]; - out->eflags = regs[REG_EFL]; - out->esp = regs[REG_UESP]; - out->ss = regs[REG_SS]; - - out->float_save.control_word = fp->cw; - out->float_save.status_word = fp->sw; - out->float_save.tag_word = fp->tag; - out->float_save.error_offset = fp->ipoff; - out->float_save.error_selector = fp->cssel; - out->float_save.data_offset = fp->dataoff; - out->float_save.data_selector = fp->datasel; - - // 8 registers * 10 bytes per register. - my_memcpy(out->float_save.register_area, fp->_st, 10 * 8); -} - -#elif defined(__x86_64) - -uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) { - return uc->uc_mcontext.gregs[REG_RSP]; -} - -uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) { - return uc->uc_mcontext.gregs[REG_RIP]; -} - -void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc, - const struct _libc_fpstate* fpregs) { - const greg_t* regs = uc->uc_mcontext.gregs; - - out->context_flags = MD_CONTEXT_AMD64_FULL; - - out->cs = regs[REG_CSGSFS] & 0xffff; - - out->fs = (regs[REG_CSGSFS] >> 32) & 0xffff; - out->gs = (regs[REG_CSGSFS] >> 16) & 0xffff; - - out->eflags = regs[REG_EFL]; - - out->rax = regs[REG_RAX]; - out->rcx = regs[REG_RCX]; - out->rdx = regs[REG_RDX]; - out->rbx = regs[REG_RBX]; - - out->rsp = regs[REG_RSP]; - out->rbp = regs[REG_RBP]; - out->rsi = regs[REG_RSI]; - out->rdi = regs[REG_RDI]; - out->r8 = regs[REG_R8]; - out->r9 = regs[REG_R9]; - out->r10 = regs[REG_R10]; - out->r11 = regs[REG_R11]; - out->r12 = regs[REG_R12]; - out->r13 = regs[REG_R13]; - out->r14 = regs[REG_R14]; - out->r15 = regs[REG_R15]; - - out->rip = regs[REG_RIP]; - - out->flt_save.control_word = fpregs->cwd; - out->flt_save.status_word = fpregs->swd; - out->flt_save.tag_word = fpregs->ftw; - out->flt_save.error_opcode = fpregs->fop; - out->flt_save.error_offset = fpregs->rip; - out->flt_save.data_offset = fpregs->rdp; - out->flt_save.error_selector = 0; // We don't have this. - out->flt_save.data_selector = 0; // We don't have this. - out->flt_save.mx_csr = fpregs->mxcsr; - out->flt_save.mx_csr_mask = fpregs->mxcr_mask; - my_memcpy(&out->flt_save.float_registers, &fpregs->_st, 8 * 16); - my_memcpy(&out->flt_save.xmm_registers, &fpregs->_xmm, 16 * 16); -} - -#elif defined(__ARM_EABI__) - -uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) { - return uc->uc_mcontext.arm_sp; -} - -uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) { - return uc->uc_mcontext.arm_pc; -} - -void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc) { - out->context_flags = MD_CONTEXT_ARM_FULL; - - out->iregs[0] = uc->uc_mcontext.arm_r0; - out->iregs[1] = uc->uc_mcontext.arm_r1; - out->iregs[2] = uc->uc_mcontext.arm_r2; - out->iregs[3] = uc->uc_mcontext.arm_r3; - out->iregs[4] = uc->uc_mcontext.arm_r4; - out->iregs[5] = uc->uc_mcontext.arm_r5; - out->iregs[6] = uc->uc_mcontext.arm_r6; - out->iregs[7] = uc->uc_mcontext.arm_r7; - out->iregs[8] = uc->uc_mcontext.arm_r8; - out->iregs[9] = uc->uc_mcontext.arm_r9; - out->iregs[10] = uc->uc_mcontext.arm_r10; - - out->iregs[11] = uc->uc_mcontext.arm_fp; - out->iregs[12] = uc->uc_mcontext.arm_ip; - out->iregs[13] = uc->uc_mcontext.arm_sp; - out->iregs[14] = uc->uc_mcontext.arm_lr; - out->iregs[15] = uc->uc_mcontext.arm_pc; - - out->cpsr = uc->uc_mcontext.arm_cpsr; - - // TODO: fix this after fixing ExceptionHandler - out->float_save.fpscr = 0; - my_memset(&out->float_save.regs, 0, sizeof(out->float_save.regs)); - my_memset(&out->float_save.extra, 0, sizeof(out->float_save.extra)); -} - -#elif defined(__aarch64__) - -uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) { - return uc->uc_mcontext.sp; -} - -uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) { - return uc->uc_mcontext.pc; -} - -void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc, - const struct fpsimd_context* fpregs) { - out->context_flags = MD_CONTEXT_ARM64_FULL; - - out->cpsr = static_cast<uint32_t>(uc->uc_mcontext.pstate); - for (int i = 0; i < MD_CONTEXT_ARM64_REG_SP; ++i) - out->iregs[i] = uc->uc_mcontext.regs[i]; - out->iregs[MD_CONTEXT_ARM64_REG_SP] = uc->uc_mcontext.sp; - out->iregs[MD_CONTEXT_ARM64_REG_PC] = uc->uc_mcontext.pc; - - out->float_save.fpsr = fpregs->fpsr; - out->float_save.fpcr = fpregs->fpcr; - my_memcpy(&out->float_save.regs, &fpregs->vregs, - MD_FLOATINGSAVEAREA_ARM64_FPR_COUNT * 16); -} - -#elif defined(__mips__) - -uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) { - return uc->uc_mcontext.gregs[MD_CONTEXT_MIPS_REG_SP]; -} - -uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) { - return uc->uc_mcontext.pc; -} - -void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc) { -#if _MIPS_SIM == _ABI64 - out->context_flags = MD_CONTEXT_MIPS64_FULL; -#elif _MIPS_SIM == _ABIO32 - out->context_flags = MD_CONTEXT_MIPS_FULL; -#else -#error "This mips ABI is currently not supported (n32)" -#endif - - for (int i = 0; i < MD_CONTEXT_MIPS_GPR_COUNT; ++i) - out->iregs[i] = uc->uc_mcontext.gregs[i]; - - out->mdhi = uc->uc_mcontext.mdhi; - out->mdlo = uc->uc_mcontext.mdlo; - - out->hi[0] = uc->uc_mcontext.hi1; - out->hi[1] = uc->uc_mcontext.hi2; - out->hi[2] = uc->uc_mcontext.hi3; - out->lo[0] = uc->uc_mcontext.lo1; - out->lo[1] = uc->uc_mcontext.lo2; - out->lo[2] = uc->uc_mcontext.lo3; - out->dsp_control = uc->uc_mcontext.dsp; - - out->epc = uc->uc_mcontext.pc; - out->badvaddr = 0; // Not reported in signal context. - out->status = 0; // Not reported in signal context. - out->cause = 0; // Not reported in signal context. - - for (int i = 0; i < MD_FLOATINGSAVEAREA_MIPS_FPR_COUNT; ++i) - out->float_save.regs[i] = uc->uc_mcontext.fpregs.fp_r.fp_dregs[i]; - - out->float_save.fpcsr = uc->uc_mcontext.fpc_csr; -#if _MIPS_SIM == _ABIO32 - out->float_save.fir = uc->uc_mcontext.fpc_eir; // Unused. -#endif -} -#endif - -} // namespace google_breakpad |