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authorDoug Evans <dje@google.com>2011-11-15 17:40:02 +0000
committerDoug Evans <dje@google.com>2011-11-15 17:40:02 +0000
commitc011a4f469702871cbd5a1e7fecdb57d322642bd (patch)
treee0a8599b1b433bfba3d377eaea9f106df3e48eda /gdb/NEWS
parent865ecab4b2b7d6efeaec3072ee843d2d830d2dae (diff)
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* NEWS: Mention new parameter basenames-may-differ.
* dwarf2read.c (dw2_lookup_symtab): Avoid calling gdb_realpath if ! basenames_may_differ. * psymtab.c (lookup_partial_symtab): Ditto. * symtab.c (lookup_symtab): Ditto. (basenames_may_differ): New global. (_initialize_symtab): New parameter basenames-may-differ. * symtab.h (basenames_may_differ): Declare. doc/ * gdb.texinfo (Files): Document basenames-may-differ.
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diff --git a/gdb/NEWS b/gdb/NEWS
index bce8e3c..c4e59c4 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -165,6 +165,17 @@ show debug entry-values
Control display of debugging info for determining frame argument values at
function entry and virtual tail call frames.
+set basenames-may-differ
+show basenames-may-differ
+ Set whether a source file may have multiple base names.
+ (A "base name" is the name of a file with the directory part removed.
+ Example: The base name of "/home/user/hello.c" is "hello.c".)
+ If set, GDB will canonicalize file names (e.g., expand symlinks)
+ before comparing them. Canonicalization is an expensive operation,
+ but it allows the same file be known by more than one base name.
+ If not set (the default), all source files are assumed to have just
+ one base name, and gdb will do file name comparisons more efficiently.
+
* New remote packets
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