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usr / src / contrib / llvm-project / lldb / source / Plugins / Process / Utility /

📁 ..
📄 ARMDefines.h(6.17 KB)
📄 ARMUtils.h(10.38 KB)
📄 AuxVector.cpp(3.61 KB)
📄 AuxVector.h(3 KB)
📄 DynamicRegisterInfo.cpp(29.35 KB)
📄 DynamicRegisterInfo.h(3.3 KB)
📄 FreeBSDSignals.cpp(5.48 KB)
📄 FreeBSDSignals.h(802 B)
📄 GDBRemoteSignals.cpp(648 B)
📄 GDBRemoteSignals.h(893 B)
📄 HistoryThread.cpp(2.79 KB)
📄 HistoryThread.h(2.87 KB)
📄 HistoryUnwind.cpp(2.27 KB)
📄 HistoryUnwind.h(1.42 KB)
📄 InferiorCallPOSIX.cpp(6.44 KB)
📄 InferiorCallPOSIX.h(1.09 KB)
📄 InstructionUtils.h(4.01 KB)
📄 LinuxProcMaps.cpp(4.35 KB)
📄 LinuxProcMaps.h(954 B)
📄 LinuxSignals.cpp(5.43 KB)
📄 LinuxSignals.h(790 B)
📄 MipsLinuxSignals.cpp(5.46 KB)
📄 MipsLinuxSignals.h(816 B)
📄 NativeRegisterContextRegisterInfo.cpp(1.48 KB)
📄 NativeRegisterContextRegisterInfo.h(1.31 KB)
📄 NetBSDSignals.cpp(3.09 KB)
📄 NetBSDSignals.h(795 B)
📄 RegisterContextDarwinConstants.h(852 B)
📄 RegisterContextDarwin_arm.cpp(41.55 KB)
📄 RegisterContextDarwin_arm.h(6.99 KB)
📄 RegisterContextDarwin_arm64.cpp(27.29 KB)
📄 RegisterContextDarwin_arm64.h(6.31 KB)
📄 RegisterContextDarwin_i386.cpp(23.66 KB)
📄 RegisterContextDarwin_i386.h(5.08 KB)
📄 RegisterContextDarwin_x86_64.cpp(26.65 KB)
📄 RegisterContextDarwin_x86_64.h(5.28 KB)
📄 RegisterContextDummy.cpp(3.78 KB)
📄 RegisterContextDummy.h(2.16 KB)
📄 RegisterContextFreeBSD_i386.cpp(2.15 KB)
📄 RegisterContextFreeBSD_i386.h(886 B)
📄 RegisterContextFreeBSD_mips64.cpp(3.43 KB)
📄 RegisterContextFreeBSD_mips64.h(1007 B)
📄 RegisterContextFreeBSD_powerpc.cpp(5.29 KB)
📄 RegisterContextFreeBSD_powerpc.h(1.74 KB)
📄 RegisterContextFreeBSD_x86_64.cpp(4.27 KB)
📄 RegisterContextFreeBSD_x86_64.h(998 B)
📄 RegisterContextHistory.cpp(3.9 KB)
📄 RegisterContextHistory.h(2.23 KB)
📄 RegisterContextLinux_i386.cpp(4.5 KB)
📄 RegisterContextLinux_i386.h(1.07 KB)
📄 RegisterContextLinux_mips.cpp(5.82 KB)
📄 RegisterContextLinux_mips.h(1.14 KB)
📄 RegisterContextLinux_mips64.cpp(7.67 KB)
📄 RegisterContextLinux_mips64.h(1.24 KB)
📄 RegisterContextLinux_s390x.cpp(2.33 KB)
📄 RegisterContextLinux_s390x.h(1.19 KB)
📄 RegisterContextLinux_x86_64.cpp(6.19 KB)
📄 RegisterContextLinux_x86_64.h(1.2 KB)
📄 RegisterContextMach_arm.cpp(2.59 KB)
📄 RegisterContextMach_arm.h(1.32 KB)
📄 RegisterContextMach_i386.cpp(2.13 KB)
📄 RegisterContextMach_i386.h(1.21 KB)
📄 RegisterContextMach_x86_64.cpp(2.24 KB)
📄 RegisterContextMach_x86_64.h(1.24 KB)
📄 RegisterContextMemory.cpp(4.75 KB)
📄 RegisterContextMemory.h(2.71 KB)
📄 RegisterContextNetBSD_i386.cpp(2.87 KB)
📄 RegisterContextNetBSD_i386.h(882 B)
📄 RegisterContextNetBSD_x86_64.cpp(5.49 KB)
📄 RegisterContextNetBSD_x86_64.h(1.06 KB)
📄 RegisterContextOpenBSD_i386.cpp(2.07 KB)
📄 RegisterContextOpenBSD_i386.h(886 B)
📄 RegisterContextOpenBSD_x86_64.cpp(2.78 KB)
📄 RegisterContextOpenBSD_x86_64.h(998 B)
📄 RegisterContextPOSIX_arm.cpp(6.62 KB)
📄 RegisterContextPOSIX_arm.h(2.87 KB)
📄 RegisterContextPOSIX_arm64.cpp(3.03 KB)
📄 RegisterContextPOSIX_arm64.h(2.3 KB)
📄 RegisterContextPOSIX_mips64.cpp(5.75 KB)
📄 RegisterContextPOSIX_mips64.h(2.41 KB)
📄 RegisterContextPOSIX_powerpc.cpp(5.91 KB)
📄 RegisterContextPOSIX_powerpc.h(4.75 KB)
📄 RegisterContextPOSIX_ppc64le.cpp(7.28 KB)
📄 RegisterContextPOSIX_ppc64le.h(2.27 KB)
📄 RegisterContextPOSIX_s390x.cpp(5.67 KB)
📄 RegisterContextPOSIX_s390x.h(2.08 KB)
📄 RegisterContextPOSIX_x86.cpp(22.13 KB)
📄 RegisterContextPOSIX_x86.h(5.31 KB)
📄 RegisterContextThreadMemory.cpp(6.75 KB)
📄 RegisterContextThreadMemory.h(3.71 KB)
📄 RegisterContextWindows_i386.cpp(4.35 KB)
📄 RegisterContextWindows_i386.h(937 B)
📄 RegisterContextWindows_x86_64.cpp(6.78 KB)
📄 RegisterContextWindows_x86_64.h(949 B)
📄 RegisterContext_mips.h(6.85 KB)
📄 RegisterContext_powerpc.h(2.82 KB)
📄 RegisterContext_s390x.h(2.04 KB)
📄 RegisterContext_x86.h(9.61 KB)
📄 RegisterInfoAndSetInterface.h(1.14 KB)
📄 RegisterInfoInterface.h(2.28 KB)
📄 RegisterInfoPOSIX_arm.cpp(3.51 KB)
📄 RegisterInfoPOSIX_arm.h(1.58 KB)
📄 RegisterInfoPOSIX_arm64.cpp(7.83 KB)
📄 RegisterInfoPOSIX_arm64.h(2.27 KB)
📄 RegisterInfoPOSIX_ppc64le.cpp(1.95 KB)
📄 RegisterInfoPOSIX_ppc64le.h(1.02 KB)
📄 RegisterInfos_arm.h(37.11 KB)
📄 RegisterInfos_arm64.h(28.46 KB)
📄 RegisterInfos_i386.h(15.93 KB)
📄 RegisterInfos_mips.h(16.18 KB)
📄 RegisterInfos_mips64.h(23.21 KB)
📄 RegisterInfos_powerpc.h(14.8 KB)
📄 RegisterInfos_ppc64.h(16.62 KB)
📄 RegisterInfos_ppc64le.h(23.77 KB)
📄 RegisterInfos_s390x.h(6.47 KB)
📄 RegisterInfos_x86_64.h(24.31 KB)
📄 StopInfoMachException.cpp(16.87 KB)
📄 StopInfoMachException.h(1.78 KB)
📄 ThreadMemory.cpp(3.04 KB)
📄 ThreadMemory.h(3.22 KB)
📄 lldb-arm-register-enums.h(3.56 KB)
📄 lldb-arm64-register-enums.h(4.87 KB)
📄 lldb-mips-freebsd-register-enums.h(1.62 KB)
📄 lldb-mips-linux-register-enums.h(7.25 KB)
📄 lldb-ppc64-register-enums.h(2.91 KB)
📄 lldb-ppc64le-register-enums.h(4.63 KB)
📄 lldb-s390x-register-enums.h(2.31 KB)
📄 lldb-x86-register-enums.h(7.93 KB)

Editing: InferiorCallPOSIX.cpp

//===-- InferiorCallPOSIX.cpp ---------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "InferiorCallPOSIX.h"
#include "lldb/Core/Address.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Expression/DiagnosticManager.h"
#include "lldb/Host/Config.h"
#include "lldb/Symbol/TypeSystem.h"
#include "lldb/Symbol/SymbolContext.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Platform.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/ThreadPlanCallFunction.h"

#if LLDB_ENABLE_POSIX
#include <sys/mman.h>
#else
// define them
#define PROT_NONE 0
#define PROT_READ 1
#define PROT_WRITE 2
#define PROT_EXEC 4
#endif

using namespace lldb;
using namespace lldb_private;

bool lldb_private::InferiorCallMmap(Process *process, addr_t &allocated_addr,
                                    addr_t addr, addr_t length, unsigned prot,
                                    unsigned flags, addr_t fd, addr_t offset) {
  Thread *thread =
      process->GetThreadList().GetExpressionExecutionThread().get();
  if (thread == nullptr)
    return false;

const bool include_symbols = true;
  const bool include_inlines = false;
  SymbolContextList sc_list;
  process->GetTarget().GetImages().FindFunctions(
      ConstString("mmap"), eFunctionNameTypeFull, include_symbols,
      include_inlines, sc_list);
  const uint32_t count = sc_list.GetSize();
  if (count > 0) {
    SymbolContext sc;
    if (sc_list.GetContextAtIndex(0, sc)) {
      const uint32_t range_scope =
          eSymbolContextFunction | eSymbolContextSymbol;
      const bool use_inline_block_range = false;
      EvaluateExpressionOptions options;
      options.SetStopOthers(true);
      options.SetUnwindOnError(true);
      options.SetIgnoreBreakpoints(true);
      options.SetTryAllThreads(true);
      options.SetDebug(false);
      options.SetTimeout(process->GetUtilityExpressionTimeout());
      options.SetTrapExceptions(false);

addr_t prot_arg;
      if (prot == eMmapProtNone)
        prot_arg = PROT_NONE;
      else {
        prot_arg = 0;
        if (prot & eMmapProtExec)
          prot_arg |= PROT_EXEC;
        if (prot & eMmapProtRead)
          prot_arg |= PROT_READ;
        if (prot & eMmapProtWrite)
          prot_arg |= PROT_WRITE;
      }

AddressRange mmap_range;
      if (sc.GetAddressRange(range_scope, 0, use_inline_block_range,
                             mmap_range)) {
        auto type_system_or_err =
            process->GetTarget().GetScratchTypeSystemForLanguage(
                eLanguageTypeC);
        if (!type_system_or_err) {
          llvm::consumeError(type_system_or_err.takeError());
          return false;
        }
        CompilerType void_ptr_type =
            type_system_or_err->GetBasicTypeFromAST(eBasicTypeVoid)
                .GetPointerType();
        const ArchSpec arch = process->GetTarget().GetArchitecture();
        MmapArgList args =
            process->GetTarget().GetPlatform()->GetMmapArgumentList(
                arch, addr, length, prot_arg, flags, fd, offset);
        lldb::ThreadPlanSP call_plan_sp(
            new ThreadPlanCallFunction(*thread, mmap_range.GetBaseAddress(),
                                       void_ptr_type, args, options));
        if (call_plan_sp) {
          DiagnosticManager diagnostics;

StackFrame *frame = thread->GetStackFrameAtIndex(0).get();
          if (frame) {
            ExecutionContext exe_ctx;
            frame->CalculateExecutionContext(exe_ctx);
            ExpressionResults result = process->RunThreadPlan(
                exe_ctx, call_plan_sp, options, diagnostics);
            if (result == eExpressionCompleted) {

allocated_addr =
                  call_plan_sp->GetReturnValueObject()->GetValueAsUnsigned(
                      LLDB_INVALID_ADDRESS);
              if (process->GetAddressByteSize() == 4) {
                if (allocated_addr == UINT32_MAX)
                  return false;
              } else if (process->GetAddressByteSize() == 8) {
                if (allocated_addr == UINT64_MAX)
                  return false;
              }
              return true;
            }
          }
        }
      }
    }
  }

return false;
}

bool lldb_private::InferiorCallMunmap(Process *process, addr_t addr,
                                      addr_t length) {
  Thread *thread =
      process->GetThreadList().GetExpressionExecutionThread().get();
  if (thread == nullptr)
    return false;

const bool include_symbols = true;
  const bool include_inlines = false;
  SymbolContextList sc_list;
  process->GetTarget().GetImages().FindFunctions(
      ConstString("munmap"), eFunctionNameTypeFull, include_symbols,
      include_inlines, sc_list);
  const uint32_t count = sc_list.GetSize();
  if (count > 0) {
    SymbolContext sc;
    if (sc_list.GetContextAtIndex(0, sc)) {
      const uint32_t range_scope =
          eSymbolContextFunction | eSymbolContextSymbol;
      const bool use_inline_block_range = false;
      EvaluateExpressionOptions options;
      options.SetStopOthers(true);
      options.SetUnwindOnError(true);
      options.SetIgnoreBreakpoints(true);
      options.SetTryAllThreads(true);
      options.SetDebug(false);
      options.SetTimeout(process->GetUtilityExpressionTimeout());
      options.SetTrapExceptions(false);

AddressRange munmap_range;
      if (sc.GetAddressRange(range_scope, 0, use_inline_block_range,
                             munmap_range)) {
        lldb::addr_t args[] = {addr, length};
        lldb::ThreadPlanSP call_plan_sp(
            new ThreadPlanCallFunction(*thread, munmap_range.GetBaseAddress(),
                                       CompilerType(), args, options));
        if (call_plan_sp) {
          DiagnosticManager diagnostics;

return false;
}

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Editing: InferiorCallPOSIX.cpp

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