spyffe created this revision.
spyffe added a reviewer: clayborg.
spyffe added a subscriber: lldb-commits.
When running the testsuite, the LLDB shlib is a symlink to its actual location,
so finding shlib-relative resources can be problematic. This patch fixes that
by resolving symlinks.
http://reviews.llvm.org/D12984
Files:
include/lldb/Host/FileSpec.h
source/Host/common/FileSpec.cpp
source/Host/common/HostInfoBase.cpp
Index: source/Host/common/HostInfoBase.cpp
===================================================================
--- source/Host/common/HostInfoBase.cpp
+++ source/Host/common/HostInfoBase.cpp
@@ -306,7 +306,11 @@
FileSpec lldb_file_spec(
Host::GetModuleFileSpecForHostAddress(reinterpret_cast<void
*>(reinterpret_cast<intptr_t>(HostInfoBase::GetLLDBPath))));
-
+
+ if (lldb_file_spec.IsSymbolicLink()) {
+ lldb_file_spec = lldb_file_spec.GetSymbolicLinkTarget();
+ }
+
// Remove the filename so that this FileSpec only represents the directory.
file_spec.GetDirectory() = lldb_file_spec.GetDirectory();
Index: source/Host/common/FileSpec.cpp
===================================================================
--- source/Host/common/FileSpec.cpp
+++ source/Host/common/FileSpec.cpp
@@ -811,6 +811,32 @@
#endif
}
+FileSpec
+FileSpec::GetSymbolicLinkTarget () const {
+ if (!IsSymbolicLink())
+ {
+ return FileSpec();
+ }
+
+ char resolved_path[PATH_MAX];
+ if (!GetPath (resolved_path, sizeof (resolved_path)))
+ {
+ return FileSpec();
+ }
+
+#ifdef _WIN32
+ return FileSpec(); // TODO make this work on win32
+#else
+ char real_path[PATH_MAX + 1];
+ if (realpath(resolved_path, real_path) == nullptr)
+ {
+ return FileSpec();
+ }
+
+ return FileSpec(real_path, false);
+#endif
+}
+
uint32_t
FileSpec::GetPermissions () const
{
Index: include/lldb/Host/FileSpec.h
===================================================================
--- include/lldb/Host/FileSpec.h
+++ include/lldb/Host/FileSpec.h
@@ -73,7 +73,7 @@
/// The full or partial path to a file.
///
/// @param[in] resolve_path
- /// If \b true, then we resolve the path with realpath,
+ /// If \b true, then we resolve the path, removing stray ../.. and so
forth,
/// if \b false we trust the path is in canonical form already.
///
/// @see FileSpec::SetFile (const char *path, bool resolve)
@@ -511,6 +511,9 @@
bool
IsSymbolicLink () const;
+
+ FileSpec
+ GetSymbolicLinkTarget () const;
//------------------------------------------------------------------
/// Get the memory cost of this object.
Index: source/Host/common/HostInfoBase.cpp
===================================================================
--- source/Host/common/HostInfoBase.cpp
+++ source/Host/common/HostInfoBase.cpp
@@ -306,7 +306,11 @@
FileSpec lldb_file_spec(
Host::GetModuleFileSpecForHostAddress(reinterpret_cast<void *>(reinterpret_cast<intptr_t>(HostInfoBase::GetLLDBPath))));
-
+
+ if (lldb_file_spec.IsSymbolicLink()) {
+ lldb_file_spec = lldb_file_spec.GetSymbolicLinkTarget();
+ }
+
// Remove the filename so that this FileSpec only represents the directory.
file_spec.GetDirectory() = lldb_file_spec.GetDirectory();
Index: source/Host/common/FileSpec.cpp
===================================================================
--- source/Host/common/FileSpec.cpp
+++ source/Host/common/FileSpec.cpp
@@ -811,6 +811,32 @@
#endif
}
+FileSpec
+FileSpec::GetSymbolicLinkTarget () const {
+ if (!IsSymbolicLink())
+ {
+ return FileSpec();
+ }
+
+ char resolved_path[PATH_MAX];
+ if (!GetPath (resolved_path, sizeof (resolved_path)))
+ {
+ return FileSpec();
+ }
+
+#ifdef _WIN32
+ return FileSpec(); // TODO make this work on win32
+#else
+ char real_path[PATH_MAX + 1];
+ if (realpath(resolved_path, real_path) == nullptr)
+ {
+ return FileSpec();
+ }
+
+ return FileSpec(real_path, false);
+#endif
+}
+
uint32_t
FileSpec::GetPermissions () const
{
Index: include/lldb/Host/FileSpec.h
===================================================================
--- include/lldb/Host/FileSpec.h
+++ include/lldb/Host/FileSpec.h
@@ -73,7 +73,7 @@
/// The full or partial path to a file.
///
/// @param[in] resolve_path
- /// If \b true, then we resolve the path with realpath,
+ /// If \b true, then we resolve the path, removing stray ../.. and so forth,
/// if \b false we trust the path is in canonical form already.
///
/// @see FileSpec::SetFile (const char *path, bool resolve)
@@ -511,6 +511,9 @@
bool
IsSymbolicLink () const;
+
+ FileSpec
+ GetSymbolicLinkTarget () const;
//------------------------------------------------------------------
/// Get the memory cost of this object.
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