jasonmolenda updated this revision to Diff 470885.
jasonmolenda added a comment.
Update MachProcess::GetPlatformString to return a std::optional platform
string, if the platform enumeration is recognized. Update callers to handle
the absence of a value appropriately.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D136719/new/
https://reviews.llvm.org/D136719
Files:
lldb/tools/debugserver/source/DNB.cpp
lldb/tools/debugserver/source/DNB.h
lldb/tools/debugserver/source/MacOSX/MachProcess.h
lldb/tools/debugserver/source/MacOSX/MachProcess.mm
lldb/tools/debugserver/source/RNBRemote.cpp
Index: lldb/tools/debugserver/source/RNBRemote.cpp
===================================================================
--- lldb/tools/debugserver/source/RNBRemote.cpp
+++ lldb/tools/debugserver/source/RNBRemote.cpp
@@ -6258,12 +6258,12 @@
bool is_executable = true;
uint32_t major_version, minor_version, patch_version;
- auto *platform =
+ std::optional<const char *> platform =
DNBGetDeploymentInfo(pid, is_executable, lc, load_command_addr,
major_version, minor_version, patch_version);
- if (platform) {
+ if (platform.has_value()) {
os_handled = true;
- rep << "ostype:" << platform << ";";
+ rep << "ostype:" << platform.value() << ";";
break;
}
load_command_addr = load_command_addr + lc.cmdsize;
Index: lldb/tools/debugserver/source/MacOSX/MachProcess.mm
===================================================================
--- lldb/tools/debugserver/source/MacOSX/MachProcess.mm
+++ lldb/tools/debugserver/source/MacOSX/MachProcess.mm
@@ -720,30 +720,44 @@
return info;
}
-const char *MachProcess::GetPlatformString(unsigned char platform) {
+std::optional<const char *>
+MachProcess::GetPlatformString(unsigned char platform) {
+ std::optional<const char *> platform_string;
switch (platform) {
case PLATFORM_MACOS:
- return "macosx";
+ platform_string = "macosx";
+ break;
case PLATFORM_MACCATALYST:
- return "maccatalyst";
+ platform_string = "maccatalyst";
+ break;
case PLATFORM_IOS:
- return "ios";
+ platform_string = "ios";
+ break;
case PLATFORM_IOSSIMULATOR:
- return "iossimulator";
+ platform_string = "iossimulator";
+ break;
case PLATFORM_TVOS:
- return "tvos";
+ platform_string = "tvos";
+ break;
case PLATFORM_TVOSSIMULATOR:
- return "tvossimulator";
+ platform_string = "tvossimulator";
+ break;
case PLATFORM_WATCHOS:
- return "watchos";
+ platform_string = "watchos";
+ break;
case PLATFORM_WATCHOSSIMULATOR:
- return "watchossimulator";
+ platform_string = "watchossimulator";
+ break;
case PLATFORM_BRIDGEOS:
- return "bridgeos";
+ platform_string = "bridgeos";
+ break;
case PLATFORM_DRIVERKIT:
- return "driverkit";
+ platform_string = "driverkit";
+ break;
+ default:
+ DNBLogError("Unknown platform %u found for one binary", platform);
}
- return nullptr;
+ return platform_string;
}
static bool mach_header_validity_test(uint32_t magic, uint32_t cputype) {
@@ -867,7 +881,8 @@
}
if (DeploymentInfo deployment_info = GetDeploymentInfo(
lc, load_cmds_p, inf.mach_header.filetype == MH_EXECUTE)) {
- const char *lc_platform = GetPlatformString(deployment_info.platform);
+ std::optional<const char *> lc_platform =
+ GetPlatformString(deployment_info.platform);
if (dyld_platform != PLATFORM_MACCATALYST &&
inf.min_version_os_name == "macosx") {
// macCatalyst support.
@@ -882,7 +897,7 @@
// processed, ignore this one, which is presumed to be a
// PLATFORM_MACCATALYST one.
} else {
- inf.min_version_os_name = lc_platform;
+ inf.min_version_os_name = lc_platform.value_or("");
inf.min_version_os_version = "";
inf.min_version_os_version +=
std::to_string(deployment_info.major_version);
Index: lldb/tools/debugserver/source/MacOSX/MachProcess.h
===================================================================
--- lldb/tools/debugserver/source/MacOSX/MachProcess.h
+++ lldb/tools/debugserver/source/MacOSX/MachProcess.h
@@ -16,6 +16,7 @@
#include <CoreFoundation/CoreFoundation.h>
#include <mach-o/loader.h>
#include <mach/mach.h>
+#include <optional>
#include <pthread.h>
#include <sys/signal.h>
#include <uuid/uuid.h>
@@ -252,7 +253,7 @@
DeploymentInfo GetDeploymentInfo(const struct load_command &,
uint64_t load_command_address,
bool is_executable);
- static const char *GetPlatformString(unsigned char platform);
+ static std::optional<const char *> GetPlatformString(unsigned char platform);
bool GetMachOInformationFromMemory(uint32_t platform,
nub_addr_t mach_o_header_addr,
int wordsize,
Index: lldb/tools/debugserver/source/DNB.h
===================================================================
--- lldb/tools/debugserver/source/DNB.h
+++ lldb/tools/debugserver/source/DNB.h
@@ -21,6 +21,7 @@
#include <Availability.h>
#include <mach/machine.h>
#include <mach/thread_info.h>
+#include <optional>
#include <string>
#define DNB_EXPORT __attribute__((visibility("default")))
@@ -134,12 +135,11 @@
nub_size_t
DNBProcessGetSharedLibraryInfo(nub_process_t pid, nub_bool_t only_changed,
DNBExecutableImageInfo **image_infos) DNB_EXPORT;
-const char *DNBGetDeploymentInfo(nub_process_t pid, bool is_executable,
- const struct load_command &lc,
- uint64_t load_command_address,
- uint32_t &major_version,
- uint32_t &minor_version,
- uint32_t &patch_version);
+std::optional<const char *>
+DNBGetDeploymentInfo(nub_process_t pid, bool is_executable,
+ const struct load_command &lc,
+ uint64_t load_command_address, uint32_t &major_version,
+ uint32_t &minor_version, uint32_t &patch_version);
nub_bool_t DNBProcessSetNameToAddressCallback(nub_process_t pid,
DNBCallbackNameToAddress callback,
void *baton) DNB_EXPORT;
Index: lldb/tools/debugserver/source/DNB.cpp
===================================================================
--- lldb/tools/debugserver/source/DNB.cpp
+++ lldb/tools/debugserver/source/DNB.cpp
@@ -1433,12 +1433,11 @@
return false;
}
-const char *DNBGetDeploymentInfo(nub_process_t pid, bool is_executable,
- const struct load_command &lc,
- uint64_t load_command_address,
- uint32_t &major_version,
- uint32_t &minor_version,
- uint32_t &patch_version) {
+std::optional<const char *>
+DNBGetDeploymentInfo(nub_process_t pid, bool is_executable,
+ const struct load_command &lc,
+ uint64_t load_command_address, uint32_t &major_version,
+ uint32_t &minor_version, uint32_t &patch_version) {
MachProcessSP procSP;
if (GetProcessSP(pid, procSP)) {
// FIXME: This doesn't return the correct result when xctest (a
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