kbuild: make modpost section warnings clearer

Change modpost section mismatch warnings to be less confusing;
model them on the binutils linker warnings which we all know how
to interpret.

Also, fix the wrong ordering of arguments for the final case -
fromsec and refsymname were reversed.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 113dc77..2fcdbc7 100644 (file)
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -885,29 +885,28 @@ static void warn_sec_mismatch(const char *modname, const char *fromsec,
                return;
 
        if (before && after) {
-               warn("%s - Section mismatch: reference to %s:%s from %s "
-                    "between '%s' (at offset 0x%llx) and '%s'\n",
-                    modname, secname, refsymname, fromsec,
+               warn("%s(%s+0x%llx): Section mismatch: reference to %s:%s "
+                    "(between '%s' and '%s')\n",
+                    modname, fromsec, (unsigned long long)r.r_offset,
+                    secname, refsymname,
                     elf->strtab + before->st_name,
-                    (long long)r.r_offset,
                     elf->strtab + after->st_name);
        } else if (before) {
-               warn("%s - Section mismatch: reference to %s:%s from %s "
-                    "after '%s' (at offset 0x%llx)\n",
-                    modname, secname, refsymname, fromsec,
-                    elf->strtab + before->st_name,
-                    (long long)r.r_offset);
+               warn("%s(%s+0x%llx): Section mismatch: reference to %s:%s "
+                    "(after '%s')\n",
+                    modname, fromsec, (unsigned long long)r.r_offset,
+                    secname, refsymname,
+                    elf->strtab + before->st_name);
        } else if (after) {
-               warn("%s - Section mismatch: reference to %s:%s from %s "
+               warn("%s(%s+0x%llx): Section mismatch: reference to %s:%s "
                     "before '%s' (at offset -0x%llx)\n",
-                    modname, secname, refsymname, fromsec,
-                    elf->strtab + after->st_name,
-                    (long long)r.r_offset);
+                    modname, fromsec, (unsigned long long)r.r_offset,
+                    secname, refsymname,
+                    elf->strtab + after->st_name);
        } else {
-               warn("%s - Section mismatch: reference to %s:%s from %s "
-                    "(offset 0x%llx)\n",
-                    modname, secname, fromsec, refsymname,
-                    (long long)r.r_offset);
+               warn("%s(%s+0x%llx): Section mismatch: reference to %s:%s\n",
+                    modname, fromsec, (unsigned long long)r.r_offset,
+                    secname, refsymname);
        }
 }