* config/tc-mips.c (macro_build_jalr): Reverse a negative

[deliverable/binutils-gdb.git] / gdb / linespec.c

diff --git a/gdb/linespec.c b/gdb/linespec.c
index b96c79f0e34e579332d37d6e1d2c68cb05ed6b50..64ba8377d7ade61022e76b631966149cc168d75b 100644 (file)
--- a/gdb/linespec.c
+++ b/gdb/linespec.c
@@ -43,6 +43,7 @@
 #include "arch-utils.h"
 #include <ctype.h>
 #include "cli/cli-utils.h"
+#include "filenames.h"
 
 /* Prototypes for local functions.  */
 
@@ -1194,6 +1195,16 @@ locate_first_half (char **argptr, int *is_quote_enclosed)
          ++p;
        }
     }
+
+
+  /* Check for a drive letter in the filename.  This is done on all hosts
+     to capture cross-compilation environments.  On Unixen, directory
+     separators are illegal in filenames, so if the user enters "e:/foo.c",
+     he is referring to a directory named "e:" and a source file named
+     "foo.c", and we still want to keep these two pieces together.  */
+  if (isalpha (p[0]) && p[1] == ':' && IS_DIR_SEPARATOR (p[2]))
+    p += 3;
+
   for (; *p; p++)
     {
       if (p[0] == '<')
@@ -1835,6 +1846,8 @@ symtab_from_filename (char **argptr, char *p, int is_quote_enclosed)
     }
 
   /* Discard the file name from the arg.  */
+  if (*p1 == '\0')
+    return file_symtab;
   p = p1 + 1;
   while (*p == ' ' || *p == '\t')
     p++;