tmf: Handle spaces in function names in the Callstack View

De-mangled C++ symbol names may contain spaces, so the function
name reader must not split around these spaces.

Also mention in the documentation that 'nm --demangle' can be used
to get readable C++ function names.

Refs bug #459534.

Change-Id: Ib046a15ada590b389bb8d1af2983e00629d17a35
Signed-off-by: Alexandre Montplaisir <alexmonthy@voxpopuli.im>
Reviewed-on: https://git.eclipse.org/r/41561
Reviewed-by: Hudson CI
Reviewed-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>
Tested-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/callstack/FunctionNameMapper.java b/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/callstack/FunctionNameMapper.java
index 179425167e..62e908bd84 100644
--- a/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/callstack/FunctionNameMapper.java
+++ b/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/callstack/FunctionNameMapper.java
@@ -52,8 +52,8 @@ class FunctionNameMapper {
         try (FileReader fr = new FileReader(mappingFile);
                 BufferedReader reader = new BufferedReader(fr);) {
             for (String line = reader.readLine(); line != null; line = reader.readLine()) {
-                String[] elems = line.split(" "); //$NON-NLS-1$
                 /* Only lines with 3 elements contain addresses */
+                String[] elems = line.split(" ", 3); //$NON-NLS-1$
                 if (elems.length == 3) {
                     /* Strip the leading zeroes from the address */
                     String address = elems[0].replaceFirst("^0+(?!$)", ""); //$NON-NLS-1$ //$NON-NLS-2$;