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//===-- PlatformAIX.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 "PlatformAIX.h"
#include "lldb/Host/Config.h"
#include <cstdio>
#if LLDB_ENABLE_POSIX
#include <sys/utsname.h>
#endif
#include "Utility/ARM64_DWARF_Registers.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Symbol/UnwindPlan.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/FileSpec.h"
#include "lldb/Utility/LLDBLog.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/State.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/StreamString.h"
// Use defined constants from AIX mman.h for use when targeting remote aix
// systems even when host has different values.
// For remotely cross debugging aix
constexpr int MapVariable = 0x0;
constexpr int MapPrivate = 0x2;
constexpr int MapAnonymous = 0x10;
#if defined(_AIX)
#include <sys/mman.h>
static_assert(MapVariable == MAP_VARIABLE);
static_assert(MapPrivate == MAP_PRIVATE);
static_assert(MapAnonymous == MAP_ANONYMOUS);
#endif
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::platform_aix;
LLDB_PLUGIN_DEFINE(PlatformAIX)
static uint32_t g_initialize_count = 0;
PlatformSP PlatformAIX::CreateInstance(bool force, const ArchSpec *arch) {
Log *log = GetLog(LLDBLog::Platform);
LLDB_LOG(log, "force = {0}, arch=({1}, {2})", force,
arch ? arch->GetArchitectureName() : "<null>",
arch ? arch->GetTriple().getTriple() : "<null>");
bool create = force || (arch && arch->IsValid() &&
arch->GetTriple().getOS() == llvm::Triple::AIX);
LLDB_LOG(log, "create = {0}", create);
if (create) {
return PlatformSP(new PlatformAIX(false));
}
return PlatformSP();
}
llvm::StringRef PlatformAIX::GetPluginDescriptionStatic(bool is_host) {
if (is_host)
return "Local AIX user platform plug-in.";
return "Remote AIX user platform plug-in.";
}
void PlatformAIX::Initialize() {
PlatformPOSIX::Initialize();
if (g_initialize_count++ == 0) {
#ifdef _AIX
PlatformSP default_platform_sp(new PlatformAIX(true));
default_platform_sp->SetSystemArchitecture(HostInfo::GetArchitecture());
Platform::SetHostPlatform(default_platform_sp);
#endif
PluginManager::RegisterPlugin(
PlatformAIX::GetPluginNameStatic(false),
PlatformAIX::GetPluginDescriptionStatic(false),
PlatformAIX::CreateInstance, nullptr);
}
}
void PlatformAIX::Terminate() {
if (g_initialize_count > 0)
if (--g_initialize_count == 0)
PluginManager::UnregisterPlugin(PlatformAIX::CreateInstance);
PlatformPOSIX::Terminate();
}
PlatformAIX::PlatformAIX(bool is_host) : PlatformPOSIX(is_host) {
if (is_host) {
ArchSpec hostArch = HostInfo::GetArchitecture(HostInfo::eArchKindDefault);
m_supported_architectures.push_back(hostArch);
} else {
m_supported_architectures =
CreateArchList({llvm::Triple::ppc64}, llvm::Triple::AIX);
}
}
std::vector<ArchSpec>
PlatformAIX::GetSupportedArchitectures(const ArchSpec &process_host_arch) {
if (m_remote_platform_sp)
return m_remote_platform_sp->GetSupportedArchitectures(process_host_arch);
return m_supported_architectures;
}
void PlatformAIX::GetStatus(Stream &strm) {
Platform::GetStatus(strm);
#if LLDB_ENABLE_POSIX
// Display local kernel information only when we are running in host mode.
// Otherwise, we would end up printing non-AIX information (when running on
// Mac OS for example).
if (IsHost()) {
struct utsname un;
if (uname(&un))
return;
strm.Printf(" Kernel: %s\n", un.sysname);
strm.Printf(" Release: %s\n", un.release);
strm.Printf(" Version: %s\n", un.version);
}
#endif
}
void PlatformAIX::CalculateTrapHandlerSymbolNames() {}
lldb::UnwindPlanSP
PlatformAIX::GetTrapHandlerUnwindPlan(const llvm::Triple &triple,
ConstString name) {
return {};
}
MmapArgList PlatformAIX::GetMmapArgumentList(const ArchSpec &arch, addr_t addr,
addr_t length, unsigned prot,
unsigned flags, addr_t fd,
addr_t offset) {
unsigned flags_platform = MapVariable;
if (flags & eMmapFlagsPrivate)
flags_platform |= MapPrivate;
if (flags & eMmapFlagsAnon)
flags_platform |= MapAnonymous;
MmapArgList args({addr, length, prot, flags_platform, fd, offset});
return args;
}
CompilerType PlatformAIX::GetSiginfoType(const llvm::Triple &triple) {
return CompilerType();
}
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