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authoremaste <emaste@FreeBSD.org>2013-12-03 18:51:59 +0000
committeremaste <emaste@FreeBSD.org>2013-12-03 18:51:59 +0000
commit0f31a1ef7ecf609d469ee5b34b3f0cb24ae3492d (patch)
treeb2051e4e4856cc58ac7e2d20242b870b4f355ca1 /source/Host/common/Host.cpp
parentc727fe695d28799acb499e9961f11ec07d4f9fe2 (diff)
downloadFreeBSD-src-0f31a1ef7ecf609d469ee5b34b3f0cb24ae3492d.zip
FreeBSD-src-0f31a1ef7ecf609d469ee5b34b3f0cb24ae3492d.tar.gz
Import lldb as of SVN r196259 (git 3be86e5)
(A number of files not required for the FreeBSD build have been removed.) Sponsored by: DARPA, AFRL
Diffstat (limited to 'source/Host/common/Host.cpp')
-rw-r--r--source/Host/common/Host.cpp192
1 files changed, 186 insertions, 6 deletions
diff --git a/source/Host/common/Host.cpp b/source/Host/common/Host.cpp
index 296e4b4..262776f 100644
--- a/source/Host/common/Host.cpp
+++ b/source/Host/common/Host.cpp
@@ -22,6 +22,7 @@
#include <grp.h>
#include <netdb.h>
#include <pwd.h>
+#include <sys/stat.h>
#endif
#if !defined (__GNU__) && !defined (_WIN32)
@@ -33,6 +34,7 @@
#include <mach/mach_port.h>
#include <mach/mach_init.h>
#include <mach-o/dyld.h>
+#include <AvailabilityMacros.h>
#endif
#if defined (__linux__) || defined (__FreeBSD__) || defined (__FreeBSD_kernel__)
@@ -978,6 +980,7 @@ Host::GetLLDBPath (PathType path_type, FileSpec &file_spec)
// on linux this is assumed to be the "lldb" main executable. If LLDB on
// linux is actually in a shared library (liblldb.so) then this function will
// need to be modified to "do the right thing".
+ Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_HOST);
switch (path_type)
{
@@ -988,6 +991,8 @@ Host::GetLLDBPath (PathType path_type, FileSpec &file_spec)
{
FileSpec lldb_file_spec (Host::GetModuleFileSpecForHostAddress ((void *)Host::GetLLDBPath));
g_lldb_so_dir = lldb_file_spec.GetDirectory();
+ if (log)
+ log->Printf("Host::GetLLDBPath(ePathTypeLLDBShlibDir) => '%s'", g_lldb_so_dir.GetCString());
}
file_spec.GetDirectory() = g_lldb_so_dir;
return (bool)file_spec.GetDirectory();
@@ -1011,7 +1016,11 @@ Host::GetLLDBPath (PathType path_type, FileSpec &file_spec)
if (framework_pos)
{
framework_pos += strlen("LLDB.framework");
-#if !defined (__arm__)
+#if defined (__arm__)
+ // Shallow bundle
+ *framework_pos = '\0';
+#else
+ // Normal bundle
::strncpy (framework_pos, "/Resources", PATH_MAX - (framework_pos - raw_path));
#endif
}
@@ -1019,6 +1028,8 @@ Host::GetLLDBPath (PathType path_type, FileSpec &file_spec)
FileSpec::Resolve (raw_path, resolved_path, sizeof(resolved_path));
g_lldb_support_exe_dir.SetCString(resolved_path);
}
+ if (log)
+ log->Printf("Host::GetLLDBPath(ePathTypeSupportExecutableDir) => '%s'", g_lldb_support_exe_dir.GetCString());
}
file_spec.GetDirectory() = g_lldb_support_exe_dir;
return (bool)file_spec.GetDirectory();
@@ -1051,6 +1062,8 @@ Host::GetLLDBPath (PathType path_type, FileSpec &file_spec)
// TODO: Anyone know how we can determine this for linux? Other systems??
g_lldb_headers_dir.SetCString ("/opt/local/include/lldb");
#endif
+ if (log)
+ log->Printf("Host::GetLLDBPath(ePathTypeHeaderDir) => '%s'", g_lldb_headers_dir.GetCString());
}
file_spec.GetDirectory() = g_lldb_headers_dir;
return (bool)file_spec.GetDirectory();
@@ -1096,6 +1109,10 @@ Host::GetLLDBPath (PathType path_type, FileSpec &file_spec)
FileSpec::Resolve (raw_path, resolved_path, sizeof(resolved_path));
g_lldb_python_dir.SetCString(resolved_path);
}
+
+ if (log)
+ log->Printf("Host::GetLLDBPath(ePathTypePythonDir) => '%s'", g_lldb_python_dir.GetCString());
+
}
file_spec.GetDirectory() = g_lldb_python_dir;
return (bool)file_spec.GetDirectory();
@@ -1136,6 +1153,10 @@ Host::GetLLDBPath (PathType path_type, FileSpec &file_spec)
g_lldb_system_plugin_dir.SetCString(lldb_file_spec.GetPath().c_str());
}
#endif // __APPLE__ || __linux__
+
+ if (log)
+ log->Printf("Host::GetLLDBPath(ePathTypeLLDBSystemPlugins) => '%s'", g_lldb_system_plugin_dir.GetCString());
+
}
if (g_lldb_system_plugin_dir)
@@ -1194,6 +1215,8 @@ Host::GetLLDBPath (PathType path_type, FileSpec &file_spec)
if (lldb_file_spec.Exists())
g_lldb_user_plugin_dir.SetCString(lldb_file_spec.GetPath().c_str());
+ if (log)
+ log->Printf("Host::GetLLDBPath(ePathTypeLLDBUserPlugins) => '%s'", g_lldb_user_plugin_dir.GetCString());
}
file_spec.GetDirectory() = g_lldb_user_plugin_dir;
return (bool)file_spec.GetDirectory();
@@ -1546,7 +1569,7 @@ Host::RunShellCommand (const char *command,
return error;
}
-#if defined(__linux__) or defined(__FreeBSD__)
+#if defined(__linux__) || defined(__FreeBSD__)
// The functions below implement process launching via posix_spawn() for Linux
// and FreeBSD.
@@ -1826,11 +1849,168 @@ Host::LaunchApplication (const FileSpec &app_file_spec)
return LLDB_INVALID_PROCESS_ID;
}
-uint32_t
-Host::MakeDirectory (const char* path, mode_t mode)
+#endif
+
+
+#ifdef LLDB_DISABLE_POSIX
+
+Error
+Host::MakeDirectory (const char* path, uint32_t mode)
+{
+ Error error;
+ error.SetErrorStringWithFormat("%s in not implemented on this host", __PRETTY_FUNCTION__);
+ return error;
+}
+
+Error
+Host::GetFilePermissions (const char* path, uint32_t &file_permissions)
{
- return UINT32_MAX;
+ Error error;
+ error.SetErrorStringWithFormat("%s is not supported on this host", __PRETTY_FUNCTION__);
+ return error;
}
+
+Error
+Host::SetFilePermissions (const char* path, uint32_t file_permissions)
+{
+ Error error;
+ error.SetErrorStringWithFormat("%s is not supported on this host", __PRETTY_FUNCTION__);
+ return error;
+}
+
+Error
+Host::Symlink (const char *src, const char *dst)
+{
+ Error error;
+ error.SetErrorStringWithFormat("%s is not supported on this host", __PRETTY_FUNCTION__);
+ return error;
+}
+
+Error
+Host::Readlink (const char *path, char *buf, size_t buf_len)
+{
+ Error error;
+ error.SetErrorStringWithFormat("%s is not supported on this host", __PRETTY_FUNCTION__);
+ return error;
+}
+
+Error
+Host::Unlink (const char *path)
+{
+ Error error;
+ error.SetErrorStringWithFormat("%s is not supported on this host", __PRETTY_FUNCTION__);
+ return error;
+}
+
+#else
+
+Error
+Host::MakeDirectory (const char* path, uint32_t file_permissions)
+{
+ Error error;
+ if (path && path[0])
+ {
+ if (::mkdir(path, file_permissions) != 0)
+ {
+ error.SetErrorToErrno();
+ switch (error.GetError())
+ {
+ case ENOENT:
+ {
+ // Parent directory doesn't exist, so lets make it if we can
+ FileSpec spec(path, false);
+ if (spec.GetDirectory() && spec.GetFilename())
+ {
+ // Make the parent directory and try again
+ Error error2 = Host::MakeDirectory(spec.GetDirectory().GetCString(), file_permissions);
+ if (error2.Success())
+ {
+ // Try and make the directory again now that the parent directory was made successfully
+ if (::mkdir(path, file_permissions) == 0)
+ error.Clear();
+ else
+ error.SetErrorToErrno();
+ }
+ }
+ }
+ break;
+ case EEXIST:
+ {
+ FileSpec path_spec(path, false);
+ if (path_spec.IsDirectory())
+ error.Clear(); // It is a directory and it already exists
+ }
+ break;
+ }
+ }
+ }
+ else
+ {
+ error.SetErrorString("empty path");
+ }
+ return error;
+}
+
+Error
+Host::GetFilePermissions (const char* path, uint32_t &file_permissions)
+{
+ Error error;
+ struct stat file_stats;
+ if (::stat (path, &file_stats) == 0)
+ {
+ // The bits in "st_mode" currently match the definitions
+ // for the file mode bits in unix.
+ file_permissions = file_stats.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
+ }
+ else
+ {
+ error.SetErrorToErrno();
+ }
+ return error;
+}
+
+Error
+Host::SetFilePermissions (const char* path, uint32_t file_permissions)
+{
+ Error error;
+ if (::chmod(path, file_permissions) != 0)
+ error.SetErrorToErrno();
+ return error;
+}
+
+Error
+Host::Symlink (const char *src, const char *dst)
+{
+ Error error;
+ if (::symlink(dst, src) == -1)
+ error.SetErrorToErrno();
+ return error;
+}
+
+Error
+Host::Unlink (const char *path)
+{
+ Error error;
+ if (::unlink(path) == -1)
+ error.SetErrorToErrno();
+ return error;
+}
+
+Error
+Host::Readlink (const char *path, char *buf, size_t buf_len)
+{
+ Error error;
+ ssize_t count = ::readlink(path, buf, buf_len);
+ if (count < 0)
+ error.SetErrorToErrno();
+ else if (count < (buf_len-1))
+ buf[count] = '\0'; // Success
+ else
+ error.SetErrorString("'buf' buffer is too small to contain link contents");
+ return error;
+}
+
+
#endif
typedef std::map<lldb::user_id_t, lldb::FileSP> FDToFileMap;
@@ -1843,7 +2023,7 @@ FDToFileMap& GetFDToFileMap()
lldb::user_id_t
Host::OpenFile (const FileSpec& file_spec,
uint32_t flags,
- mode_t mode,
+ uint32_t mode,
Error &error)
{
std::string path (file_spec.GetPath());
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